[FFmpeg-cvslog] r21181 - in trunk/libavcodec: Makefile h264.c h264.h h264_cabac.c h264data.h
michael
subversion
Wed Jan 13 03:35:36 CET 2010
Author: michael
Date: Wed Jan 13 03:35:36 2010
New Revision: 21181
Log:
Split cabac decoding code out of h264.c.
not slower according to benchmarks.
Added:
trunk/libavcodec/h264_cabac.c
- copied, changed from r21178, trunk/libavcodec/h264.c
Modified:
trunk/libavcodec/Makefile
trunk/libavcodec/h264.c
trunk/libavcodec/h264.h
trunk/libavcodec/h264data.h
Modified: trunk/libavcodec/Makefile
==============================================================================
--- trunk/libavcodec/Makefile Wed Jan 13 03:17:16 2010 (r21180)
+++ trunk/libavcodec/Makefile Wed Jan 13 03:35:36 2010 (r21181)
@@ -132,7 +132,7 @@ OBJS-$(CONFIG_H263_ENCODER) +
ratecontrol.o h263.o ituh263enc.o flvenc.o mpeg12data.o \
mpegvideo.o error_resilience.o
OBJS-$(CONFIG_H264_DECODER) += h264.o h264idct.o h264pred.o h264_loopfilter.o h264_direct.o cabac.o \
- h264_sei.o h264_ps.o h264_refs.o h264_cavlc.o\
+ h264_sei.o h264_ps.o h264_refs.o h264_cavlc.o h264_cabac.o\
mpegvideo.o error_resilience.o
OBJS-$(CONFIG_H264_ENCODER) += h264enc.o h264dspenc.o
OBJS-$(CONFIG_H264_VAAPI_HWACCEL) += vaapi_h264.o
@@ -283,7 +283,7 @@ OBJS-$(CONFIG_SVQ1_ENCODER) +
motion_est.o h263.o \
mpegvideo.o error_resilience.o
OBJS-$(CONFIG_SVQ3_DECODER) += h264.o svq3.o h264idct.o h264pred.o h264_loopfilter.o h264_direct.o \
- h264_sei.o h264_ps.o h264_refs.o h264_cavlc.o\
+ h264_sei.o h264_ps.o h264_refs.o h264_cavlc.o h264_cabac.o \
cabac.o \
mpegvideo.o error_resilience.o \
svq1dec.o svq1.o h263.o
Modified: trunk/libavcodec/h264.c
==============================================================================
--- trunk/libavcodec/h264.c Wed Jan 13 03:17:16 2010 (r21180)
+++ trunk/libavcodec/h264.c Wed Jan 13 03:35:36 2010 (r21181)
@@ -2173,1089 +2173,6 @@ int ff_h264_get_slice_type(H264Context *
}
}
-
-static int decode_cabac_field_decoding_flag(H264Context *h) {
- MpegEncContext * const s = &h->s;
- const int mb_x = s->mb_x;
- const int mb_y = s->mb_y & ~1;
- const int mba_xy = mb_x - 1 + mb_y *s->mb_stride;
- const int mbb_xy = mb_x + (mb_y-2)*s->mb_stride;
-
- unsigned int ctx = 0;
-
- if( h->slice_table[mba_xy] == h->slice_num && IS_INTERLACED( s->current_picture.mb_type[mba_xy] ) ) {
- ctx += 1;
- }
- if( h->slice_table[mbb_xy] == h->slice_num && IS_INTERLACED( s->current_picture.mb_type[mbb_xy] ) ) {
- ctx += 1;
- }
-
- return get_cabac_noinline( &h->cabac, &h->cabac_state[70 + ctx] );
-}
-
-static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) {
- uint8_t *state= &h->cabac_state[ctx_base];
- int mb_type;
-
- if(intra_slice){
- MpegEncContext * const s = &h->s;
- const int mba_xy = h->left_mb_xy[0];
- const int mbb_xy = h->top_mb_xy;
- int ctx=0;
- if( h->slice_table[mba_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mba_xy] ) )
- ctx++;
- if( h->slice_table[mbb_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mbb_xy] ) )
- ctx++;
- if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 )
- return 0; /* I4x4 */
- state += 2;
- }else{
- if( get_cabac_noinline( &h->cabac, &state[0] ) == 0 )
- return 0; /* I4x4 */
- }
-
- if( get_cabac_terminate( &h->cabac ) )
- return 25; /* PCM */
-
- mb_type = 1; /* I16x16 */
- mb_type += 12 * get_cabac_noinline( &h->cabac, &state[1] ); /* cbp_luma != 0 */
- if( get_cabac_noinline( &h->cabac, &state[2] ) ) /* cbp_chroma */
- mb_type += 4 + 4 * get_cabac_noinline( &h->cabac, &state[2+intra_slice] );
- mb_type += 2 * get_cabac_noinline( &h->cabac, &state[3+intra_slice] );
- mb_type += 1 * get_cabac_noinline( &h->cabac, &state[3+2*intra_slice] );
- return mb_type;
-}
-
-static int decode_cabac_mb_type_b( H264Context *h ) {
- MpegEncContext * const s = &h->s;
-
- const int mba_xy = h->left_mb_xy[0];
- const int mbb_xy = h->top_mb_xy;
- int ctx = 0;
- int bits;
- assert(h->slice_type_nos == FF_B_TYPE);
-
- if( h->slice_table[mba_xy] == h->slice_num && !IS_DIRECT( s->current_picture.mb_type[mba_xy] ) )
- ctx++;
- if( h->slice_table[mbb_xy] == h->slice_num && !IS_DIRECT( s->current_picture.mb_type[mbb_xy] ) )
- ctx++;
-
- if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) )
- return 0; /* B_Direct_16x16 */
-
- if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) {
- return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */
- }
-
- bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3;
- bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2;
- bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1;
- bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
- if( bits < 8 )
- return bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
- else if( bits == 13 ) {
- return decode_cabac_intra_mb_type(h, 32, 0) + 23;
- } else if( bits == 14 )
- return 11; /* B_L1_L0_8x16 */
- else if( bits == 15 )
- return 22; /* B_8x8 */
-
- bits= ( bits<<1 ) | get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
- return bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
-}
-
-static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) {
- MpegEncContext * const s = &h->s;
- int mba_xy, mbb_xy;
- int ctx = 0;
-
- if(FRAME_MBAFF){ //FIXME merge with the stuff in fill_caches?
- int mb_xy = mb_x + (mb_y&~1)*s->mb_stride;
- mba_xy = mb_xy - 1;
- if( (mb_y&1)
- && h->slice_table[mba_xy] == h->slice_num
- && MB_FIELD == !!IS_INTERLACED( s->current_picture.mb_type[mba_xy] ) )
- mba_xy += s->mb_stride;
- if( MB_FIELD ){
- mbb_xy = mb_xy - s->mb_stride;
- if( !(mb_y&1)
- && h->slice_table[mbb_xy] == h->slice_num
- && IS_INTERLACED( s->current_picture.mb_type[mbb_xy] ) )
- mbb_xy -= s->mb_stride;
- }else
- mbb_xy = mb_x + (mb_y-1)*s->mb_stride;
- }else{
- int mb_xy = h->mb_xy;
- mba_xy = mb_xy - 1;
- mbb_xy = mb_xy - (s->mb_stride << FIELD_PICTURE);
- }
-
- if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mba_xy] ))
- ctx++;
- if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mbb_xy] ))
- ctx++;
-
- if( h->slice_type_nos == FF_B_TYPE )
- ctx += 13;
- return get_cabac_noinline( &h->cabac, &h->cabac_state[11+ctx] );
-}
-
-static int decode_cabac_mb_intra4x4_pred_mode( H264Context *h, int pred_mode ) {
- int mode = 0;
-
- if( get_cabac( &h->cabac, &h->cabac_state[68] ) )
- return pred_mode;
-
- mode += 1 * get_cabac( &h->cabac, &h->cabac_state[69] );
- mode += 2 * get_cabac( &h->cabac, &h->cabac_state[69] );
- mode += 4 * get_cabac( &h->cabac, &h->cabac_state[69] );
-
- if( mode >= pred_mode )
- return mode + 1;
- else
- return mode;
-}
-
-static int decode_cabac_mb_chroma_pre_mode( H264Context *h) {
- const int mba_xy = h->left_mb_xy[0];
- const int mbb_xy = h->top_mb_xy;
-
- int ctx = 0;
-
- /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */
- if( h->slice_table[mba_xy] == h->slice_num && h->chroma_pred_mode_table[mba_xy] != 0 )
- ctx++;
-
- if( h->slice_table[mbb_xy] == h->slice_num && h->chroma_pred_mode_table[mbb_xy] != 0 )
- ctx++;
-
- if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+ctx] ) == 0 )
- return 0;
-
- if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
- return 1;
- if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
- return 2;
- else
- return 3;
-}
-
-static int decode_cabac_mb_cbp_luma( H264Context *h) {
- int cbp_b, cbp_a, ctx, cbp = 0;
-
- cbp_a = h->slice_table[h->left_mb_xy[0]] == h->slice_num ? h->left_cbp : -1;
- cbp_b = h->slice_table[h->top_mb_xy] == h->slice_num ? h->top_cbp : -1;
-
- ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04);
- cbp |= get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]);
- ctx = !(cbp & 0x01) + 2 * !(cbp_b & 0x08);
- cbp |= get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 1;
- ctx = !(cbp_a & 0x08) + 2 * !(cbp & 0x01);
- cbp |= get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 2;
- ctx = !(cbp & 0x04) + 2 * !(cbp & 0x02);
- cbp |= get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 3;
- return cbp;
-}
-static int decode_cabac_mb_cbp_chroma( H264Context *h) {
- int ctx;
- int cbp_a, cbp_b;
-
- cbp_a = (h->left_cbp>>4)&0x03;
- cbp_b = (h-> top_cbp>>4)&0x03;
-
- ctx = 0;
- if( cbp_a > 0 ) ctx++;
- if( cbp_b > 0 ) ctx += 2;
- if( get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ) == 0 )
- return 0;
-
- ctx = 4;
- if( cbp_a == 2 ) ctx++;
- if( cbp_b == 2 ) ctx += 2;
- return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] );
-}
-static int decode_cabac_mb_dqp( H264Context *h) {
- int ctx= h->last_qscale_diff != 0;
- int val = 0;
-
- while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) {
- ctx= 2+(ctx>>1);
- val++;
- if(val > 102) //prevent infinite loop
- return INT_MIN;
- }
-
- if( val&0x01 )
- return (val + 1)>>1 ;
- else
- return -((val + 1)>>1);
-}
-static int decode_cabac_p_mb_sub_type( H264Context *h ) {
- if( get_cabac( &h->cabac, &h->cabac_state[21] ) )
- return 0; /* 8x8 */
- if( !get_cabac( &h->cabac, &h->cabac_state[22] ) )
- return 1; /* 8x4 */
- if( get_cabac( &h->cabac, &h->cabac_state[23] ) )
- return 2; /* 4x8 */
- return 3; /* 4x4 */
-}
-static int decode_cabac_b_mb_sub_type( H264Context *h ) {
- int type;
- if( !get_cabac( &h->cabac, &h->cabac_state[36] ) )
- return 0; /* B_Direct_8x8 */
- if( !get_cabac( &h->cabac, &h->cabac_state[37] ) )
- return 1 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */
- type = 3;
- if( get_cabac( &h->cabac, &h->cabac_state[38] ) ) {
- if( get_cabac( &h->cabac, &h->cabac_state[39] ) )
- return 11 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */
- type += 4;
- }
- type += 2*get_cabac( &h->cabac, &h->cabac_state[39] );
- type += get_cabac( &h->cabac, &h->cabac_state[39] );
- return type;
-}
-
-static inline int decode_cabac_mb_transform_size( H264Context *h ) {
- return get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );
-}
-
-static int decode_cabac_mb_ref( H264Context *h, int list, int n ) {
- int refa = h->ref_cache[list][scan8[n] - 1];
- int refb = h->ref_cache[list][scan8[n] - 8];
- int ref = 0;
- int ctx = 0;
-
- if( h->slice_type_nos == FF_B_TYPE) {
- if( refa > 0 && !h->direct_cache[scan8[n] - 1] )
- ctx++;
- if( refb > 0 && !h->direct_cache[scan8[n] - 8] )
- ctx += 2;
- } else {
- if( refa > 0 )
- ctx++;
- if( refb > 0 )
- ctx += 2;
- }
-
- while( get_cabac( &h->cabac, &h->cabac_state[54+ctx] ) ) {
- ref++;
- ctx = (ctx>>2)+4;
- if(ref >= 32 /*h->ref_list[list]*/){
- return -1;
- }
- }
- return ref;
-}
-
-static int decode_cabac_mb_mvd( H264Context *h, int list, int n, int l ) {
- int amvd = abs( h->mvd_cache[list][scan8[n] - 1][l] ) +
- abs( h->mvd_cache[list][scan8[n] - 8][l] );
- int ctxbase = (l == 0) ? 40 : 47;
- int mvd;
- int ctx = (amvd>2) + (amvd>32);
-
- if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+ctx]))
- return 0;
-
- mvd= 1;
- ctx= 3;
- while( mvd < 9 && get_cabac( &h->cabac, &h->cabac_state[ctxbase+ctx] ) ) {
- mvd++;
- if( ctx < 6 )
- ctx++;
- }
-
- if( mvd >= 9 ) {
- int k = 3;
- while( get_cabac_bypass( &h->cabac ) ) {
- mvd += 1 << k;
- k++;
- if(k>24){
- av_log(h->s.avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n");
- return INT_MIN;
- }
- }
- while( k-- ) {
- if( get_cabac_bypass( &h->cabac ) )
- mvd += 1 << k;
- }
- }
- return get_cabac_bypass_sign( &h->cabac, -mvd );
-}
-
-static av_always_inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx, int is_dc ) {
- int nza, nzb;
- int ctx = 0;
-
- if( is_dc ) {
- if( cat == 0 ) {
- nza = h->left_cbp&0x100;
- nzb = h-> top_cbp&0x100;
- } else {
- nza = (h->left_cbp>>(6+idx))&0x01;
- nzb = (h-> top_cbp>>(6+idx))&0x01;
- }
- } else {
- assert(cat == 1 || cat == 2 || cat == 4);
- nza = h->non_zero_count_cache[scan8[idx] - 1];
- nzb = h->non_zero_count_cache[scan8[idx] - 8];
- }
-
- if( nza > 0 )
- ctx++;
-
- if( nzb > 0 )
- ctx += 2;
-
- return ctx + 4 * cat;
-}
-
-DECLARE_ASM_CONST(1, uint8_t, last_coeff_flag_offset_8x8[63]) = {
- 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
- 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8
-};
-
-static av_always_inline void decode_cabac_residual_internal( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff, int is_dc ) {
- static const int significant_coeff_flag_offset[2][6] = {
- { 105+0, 105+15, 105+29, 105+44, 105+47, 402 },
- { 277+0, 277+15, 277+29, 277+44, 277+47, 436 }
- };
- static const int last_coeff_flag_offset[2][6] = {
- { 166+0, 166+15, 166+29, 166+44, 166+47, 417 },
- { 338+0, 338+15, 338+29, 338+44, 338+47, 451 }
- };
- static const int coeff_abs_level_m1_offset[6] = {
- 227+0, 227+10, 227+20, 227+30, 227+39, 426
- };
- static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {
- { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
- 4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
- 7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
- 12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },
- { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,
- 6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,
- 9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
- 9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }
- };
- /* node ctx: 0..3: abslevel1 (with abslevelgt1 == 0).
- * 4..7: abslevelgt1 + 3 (and abslevel1 doesn't matter).
- * map node ctx => cabac ctx for level=1 */
- static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 };
- /* map node ctx => cabac ctx for level>1 */
- static const uint8_t coeff_abs_levelgt1_ctx[8] = { 5, 5, 5, 5, 6, 7, 8, 9 };
- static const uint8_t coeff_abs_level_transition[2][8] = {
- /* update node ctx after decoding a level=1 */
- { 1, 2, 3, 3, 4, 5, 6, 7 },
- /* update node ctx after decoding a level>1 */
- { 4, 4, 4, 4, 5, 6, 7, 7 }
- };
-
- int index[64];
-
- int av_unused last;
- int coeff_count = 0;
- int node_ctx = 0;
-
- uint8_t *significant_coeff_ctx_base;
- uint8_t *last_coeff_ctx_base;
- uint8_t *abs_level_m1_ctx_base;
-
-#if !ARCH_X86
-#define CABAC_ON_STACK
-#endif
-#ifdef CABAC_ON_STACK
-#define CC &cc
- CABACContext cc;
- cc.range = h->cabac.range;
- cc.low = h->cabac.low;
- cc.bytestream= h->cabac.bytestream;
-#else
-#define CC &h->cabac
-#endif
-
-
- /* cat: 0-> DC 16x16 n = 0
- * 1-> AC 16x16 n = luma4x4idx
- * 2-> Luma4x4 n = luma4x4idx
- * 3-> DC Chroma n = iCbCr
- * 4-> AC Chroma n = 16 + 4 * iCbCr + chroma4x4idx
- * 5-> Luma8x8 n = 4 * luma8x8idx
- */
-
- /* read coded block flag */
- if( is_dc || cat != 5 ) {
- if( get_cabac( CC, &h->cabac_state[85 + get_cabac_cbf_ctx( h, cat, n, is_dc ) ] ) == 0 ) {
- if( !is_dc )
- h->non_zero_count_cache[scan8[n]] = 0;
-
-#ifdef CABAC_ON_STACK
- h->cabac.range = cc.range ;
- h->cabac.low = cc.low ;
- h->cabac.bytestream= cc.bytestream;
-#endif
- return;
- }
- }
-
- significant_coeff_ctx_base = h->cabac_state
- + significant_coeff_flag_offset[MB_FIELD][cat];
- last_coeff_ctx_base = h->cabac_state
- + last_coeff_flag_offset[MB_FIELD][cat];
- abs_level_m1_ctx_base = h->cabac_state
- + coeff_abs_level_m1_offset[cat];
-
- if( !is_dc && cat == 5 ) {
-#define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \
- for(last= 0; last < coefs; last++) { \
- uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \
- if( get_cabac( CC, sig_ctx )) { \
- uint8_t *last_ctx = last_coeff_ctx_base + last_off; \
- index[coeff_count++] = last; \
- if( get_cabac( CC, last_ctx ) ) { \
- last= max_coeff; \
- break; \
- } \
- } \
- }\
- if( last == max_coeff -1 ) {\
- index[coeff_count++] = last;\
- }
- const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD];
-#if ARCH_X86 && HAVE_7REGS && HAVE_EBX_AVAILABLE && !defined(BROKEN_RELOCATIONS)
- coeff_count= decode_significance_8x8_x86(CC, significant_coeff_ctx_base, index, sig_off);
- } else {
- coeff_count= decode_significance_x86(CC, max_coeff, significant_coeff_ctx_base, index);
-#else
- DECODE_SIGNIFICANCE( 63, sig_off[last], last_coeff_flag_offset_8x8[last] );
- } else {
- DECODE_SIGNIFICANCE( max_coeff - 1, last, last );
-#endif
- }
- assert(coeff_count > 0);
-
- if( is_dc ) {
- if( cat == 0 )
- h->cbp_table[h->mb_xy] |= 0x100;
- else
- h->cbp_table[h->mb_xy] |= 0x40 << n;
- } else {
- if( cat == 5 )
- fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);
- else {
- assert( cat == 1 || cat == 2 || cat == 4 );
- h->non_zero_count_cache[scan8[n]] = coeff_count;
- }
- }
-
- do {
- uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base;
-
- int j= scantable[index[--coeff_count]];
-
- if( get_cabac( CC, ctx ) == 0 ) {
- node_ctx = coeff_abs_level_transition[0][node_ctx];
- if( is_dc ) {
- block[j] = get_cabac_bypass_sign( CC, -1);
- }else{
- block[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6;
- }
- } else {
- int coeff_abs = 2;
- ctx = coeff_abs_levelgt1_ctx[node_ctx] + abs_level_m1_ctx_base;
- node_ctx = coeff_abs_level_transition[1][node_ctx];
-
- while( coeff_abs < 15 && get_cabac( CC, ctx ) ) {
- coeff_abs++;
- }
-
- if( coeff_abs >= 15 ) {
- int j = 0;
- while( get_cabac_bypass( CC ) ) {
- j++;
- }
-
- coeff_abs=1;
- while( j-- ) {
- coeff_abs += coeff_abs + get_cabac_bypass( CC );
- }
- coeff_abs+= 14;
- }
-
- if( is_dc ) {
- block[j] = get_cabac_bypass_sign( CC, -coeff_abs );
- }else{
- block[j] = (get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32) >> 6;
- }
- }
- } while( coeff_count );
-#ifdef CABAC_ON_STACK
- h->cabac.range = cc.range ;
- h->cabac.low = cc.low ;
- h->cabac.bytestream= cc.bytestream;
-#endif
-
-}
-
-#if !CONFIG_SMALL
-static void decode_cabac_residual_dc( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) {
- decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, 1);
-}
-
-static void decode_cabac_residual_nondc( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) {
- decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, 0);
-}
-#endif
-
-static void decode_cabac_residual( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) {
-#if CONFIG_SMALL
- decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, cat == 0 || cat == 3);
-#else
- if( cat == 0 || cat == 3 ) decode_cabac_residual_dc(h, block, cat, n, scantable, qmul, max_coeff);
- else decode_cabac_residual_nondc(h, block, cat, n, scantable, qmul, max_coeff);
-#endif
-}
-
-static inline void compute_mb_neighbors(H264Context *h)
-{
- MpegEncContext * const s = &h->s;
- const int mb_xy = h->mb_xy;
- h->top_mb_xy = mb_xy - s->mb_stride;
- h->left_mb_xy[0] = mb_xy - 1;
- if(FRAME_MBAFF){
- const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride;
- const int top_pair_xy = pair_xy - s->mb_stride;
- const int top_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
- const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
- const int curr_mb_field_flag = MB_FIELD;
- const int bottom = (s->mb_y & 1);
-
- if (curr_mb_field_flag && (bottom || top_mb_field_flag)){
- h->top_mb_xy -= s->mb_stride;
- }
- if (!left_mb_field_flag == curr_mb_field_flag) {
- h->left_mb_xy[0] = pair_xy - 1;
- }
- } else if (FIELD_PICTURE) {
- h->top_mb_xy -= s->mb_stride;
- }
- return;
-}
-
-/**
- * decodes a macroblock
- * @returns 0 if OK, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
- */
-static int decode_mb_cabac(H264Context *h) {
- MpegEncContext * const s = &h->s;
- int mb_xy;
- int mb_type, partition_count, cbp = 0;
- int dct8x8_allowed= h->pps.transform_8x8_mode;
-
- mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride;
-
- tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
- if( h->slice_type_nos != FF_I_TYPE ) {
- int skip;
- /* a skipped mb needs the aff flag from the following mb */
- if( FRAME_MBAFF && s->mb_x==0 && (s->mb_y&1)==0 )
- predict_field_decoding_flag(h);
- if( FRAME_MBAFF && (s->mb_y&1)==1 && h->prev_mb_skipped )
- skip = h->next_mb_skipped;
- else
- skip = decode_cabac_mb_skip( h, s->mb_x, s->mb_y );
- /* read skip flags */
- if( skip ) {
- if( FRAME_MBAFF && (s->mb_y&1)==0 ){
- s->current_picture.mb_type[mb_xy] = MB_TYPE_SKIP;
- h->next_mb_skipped = decode_cabac_mb_skip( h, s->mb_x, s->mb_y+1 );
- if(!h->next_mb_skipped)
- h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
- }
-
- decode_mb_skip(h);
-
- h->cbp_table[mb_xy] = 0;
- h->chroma_pred_mode_table[mb_xy] = 0;
- h->last_qscale_diff = 0;
-
- return 0;
-
- }
- }
- if(FRAME_MBAFF){
- if( (s->mb_y&1) == 0 )
- h->mb_mbaff =
- h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
- }
-
- h->prev_mb_skipped = 0;
-
- compute_mb_neighbors(h);
-
- if( h->slice_type_nos == FF_B_TYPE ) {
- mb_type = decode_cabac_mb_type_b( h );
- if( mb_type < 23 ){
- partition_count= b_mb_type_info[mb_type].partition_count;
- mb_type= b_mb_type_info[mb_type].type;
- }else{
- mb_type -= 23;
- goto decode_intra_mb;
- }
- } else if( h->slice_type_nos == FF_P_TYPE ) {
- if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {
- /* P-type */
- if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {
- /* P_L0_D16x16, P_8x8 */
- mb_type= 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );
- } else {
- /* P_L0_D8x16, P_L0_D16x8 */
- mb_type= 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );
- }
- partition_count= p_mb_type_info[mb_type].partition_count;
- mb_type= p_mb_type_info[mb_type].type;
- } else {
- mb_type= decode_cabac_intra_mb_type(h, 17, 0);
- goto decode_intra_mb;
- }
- } else {
- mb_type= decode_cabac_intra_mb_type(h, 3, 1);
- if(h->slice_type == FF_SI_TYPE && mb_type)
- mb_type--;
- assert(h->slice_type_nos == FF_I_TYPE);
-decode_intra_mb:
- partition_count = 0;
- cbp= i_mb_type_info[mb_type].cbp;
- h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
- mb_type= i_mb_type_info[mb_type].type;
- }
- if(MB_FIELD)
- mb_type |= MB_TYPE_INTERLACED;
-
- h->slice_table[ mb_xy ]= h->slice_num;
-
- if(IS_INTRA_PCM(mb_type)) {
- const uint8_t *ptr;
-
- // We assume these blocks are very rare so we do not optimize it.
- // FIXME The two following lines get the bitstream position in the cabac
- // decode, I think it should be done by a function in cabac.h (or cabac.c).
- ptr= h->cabac.bytestream;
- if(h->cabac.low&0x1) ptr--;
- if(CABAC_BITS==16){
- if(h->cabac.low&0x1FF) ptr--;
- }
-
- // The pixels are stored in the same order as levels in h->mb array.
- memcpy(h->mb, ptr, 256); ptr+=256;
- if(CHROMA){
- memcpy(h->mb+128, ptr, 128); ptr+=128;
- }
-
- ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
-
- // All blocks are present
- h->cbp_table[mb_xy] = 0x1ef;
- h->chroma_pred_mode_table[mb_xy] = 0;
- // In deblocking, the quantizer is 0
- s->current_picture.qscale_table[mb_xy]= 0;
- // All coeffs are present
- memset(h->non_zero_count[mb_xy], 16, 16);
- s->current_picture.mb_type[mb_xy]= mb_type;
- h->last_qscale_diff = 0;
- return 0;
- }
-
- if(MB_MBAFF){
- h->ref_count[0] <<= 1;
- h->ref_count[1] <<= 1;
- }
-
- fill_caches(h, mb_type, 0);
-
- if( IS_INTRA( mb_type ) ) {
- int i, pred_mode;
- if( IS_INTRA4x4( mb_type ) ) {
- if( dct8x8_allowed && decode_cabac_mb_transform_size( h ) ) {
- mb_type |= MB_TYPE_8x8DCT;
- for( i = 0; i < 16; i+=4 ) {
- int pred = pred_intra_mode( h, i );
- int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );
- fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
- }
- } else {
- for( i = 0; i < 16; i++ ) {
- int pred = pred_intra_mode( h, i );
- h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );
-
- //av_log( s->avctx, AV_LOG_ERROR, "i4x4 pred=%d mode=%d\n", pred, h->intra4x4_pred_mode_cache[ scan8[i] ] );
- }
- }
- ff_h264_write_back_intra_pred_mode(h);
- if( ff_h264_check_intra4x4_pred_mode(h) < 0 ) return -1;
- } else {
- h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode( h, h->intra16x16_pred_mode );
- if( h->intra16x16_pred_mode < 0 ) return -1;
- }
- if(CHROMA){
- h->chroma_pred_mode_table[mb_xy] =
- pred_mode = decode_cabac_mb_chroma_pre_mode( h );
-
- pred_mode= ff_h264_check_intra_pred_mode( h, pred_mode );
- if( pred_mode < 0 ) return -1;
- h->chroma_pred_mode= pred_mode;
- }
- } else if( partition_count == 4 ) {
- int i, j, sub_partition_count[4], list, ref[2][4];
-
- if( h->slice_type_nos == FF_B_TYPE ) {
- for( i = 0; i < 4; i++ ) {
- h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );
- sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
- h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
- }
- if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |
- h->sub_mb_type[2] | h->sub_mb_type[3]) ) {
- ff_h264_pred_direct_motion(h, &mb_type);
- h->ref_cache[0][scan8[4]] =
- h->ref_cache[1][scan8[4]] =
- h->ref_cache[0][scan8[12]] =
- h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
- if( h->ref_count[0] > 1 || h->ref_count[1] > 1 ) {
- for( i = 0; i < 4; i++ )
- if( IS_DIRECT(h->sub_mb_type[i]) )
- fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, 1, 1 );
- }
- }
- } else {
- for( i = 0; i < 4; i++ ) {
- h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );
- sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
- h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
- }
- }
-
- for( list = 0; list < h->list_count; list++ ) {
- for( i = 0; i < 4; i++ ) {
- if(IS_DIRECT(h->sub_mb_type[i])) continue;
- if(IS_DIR(h->sub_mb_type[i], 0, list)){
- if( h->ref_count[list] > 1 ){
- ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );
- if(ref[list][i] >= (unsigned)h->ref_count[list]){
- av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], h->ref_count[list]);
- return -1;
- }
- }else
- ref[list][i] = 0;
- } else {
- ref[list][i] = -1;
- }
- h->ref_cache[list][ scan8[4*i]+1 ]=
- h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
- }
- }
-
- if(dct8x8_allowed)
- dct8x8_allowed = get_dct8x8_allowed(h);
-
- for(list=0; list<h->list_count; list++){
- for(i=0; i<4; i++){
- h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ];
- if(IS_DIRECT(h->sub_mb_type[i])){
- fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 4);
- continue;
- }
-
- if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){
- const int sub_mb_type= h->sub_mb_type[i];
- const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
- for(j=0; j<sub_partition_count[i]; j++){
- int mpx, mpy;
- int mx, my;
- const int index= 4*i + block_width*j;
- int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
- int16_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];
- pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mpx, &mpy);
-
- mx = mpx + decode_cabac_mb_mvd( h, list, index, 0 );
- my = mpy + decode_cabac_mb_mvd( h, list, index, 1 );
- tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
- if(IS_SUB_8X8(sub_mb_type)){
- mv_cache[ 1 ][0]=
- mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
- mv_cache[ 1 ][1]=
- mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
-
- mvd_cache[ 1 ][0]=
- mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mx - mpx;
- mvd_cache[ 1 ][1]=
- mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= my - mpy;
- }else if(IS_SUB_8X4(sub_mb_type)){
- mv_cache[ 1 ][0]= mx;
- mv_cache[ 1 ][1]= my;
-
- mvd_cache[ 1 ][0]= mx - mpx;
- mvd_cache[ 1 ][1]= my - mpy;
- }else if(IS_SUB_4X8(sub_mb_type)){
- mv_cache[ 8 ][0]= mx;
- mv_cache[ 8 ][1]= my;
-
- mvd_cache[ 8 ][0]= mx - mpx;
- mvd_cache[ 8 ][1]= my - mpy;
- }
- mv_cache[ 0 ][0]= mx;
- mv_cache[ 0 ][1]= my;
-
- mvd_cache[ 0 ][0]= mx - mpx;
- mvd_cache[ 0 ][1]= my - mpy;
- }
- }else{
- uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];
- uint32_t *pd= (uint32_t *)&h->mvd_cache[list][ scan8[4*i] ][0];
- p[0] = p[1] = p[8] = p[9] = 0;
- pd[0]= pd[1]= pd[8]= pd[9]= 0;
- }
- }
- }
- } else if( IS_DIRECT(mb_type) ) {
- ff_h264_pred_direct_motion(h, &mb_type);
- fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 4);
- fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 4);
- dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
- } else {
- int list, mx, my, i, mpx, mpy;
- if(IS_16X16(mb_type)){
- for(list=0; list<h->list_count; list++){
- if(IS_DIR(mb_type, 0, list)){
- int ref;
- if(h->ref_count[list] > 1){
- ref= decode_cabac_mb_ref(h, list, 0);
- if(ref >= (unsigned)h->ref_count[list]){
- av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);
- return -1;
- }
- }else
- ref=0;
- fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
- }else
- fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1); //FIXME factorize and the other fill_rect below too
- }
- for(list=0; list<h->list_count; list++){
- if(IS_DIR(mb_type, 0, list)){
- pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mpx, &mpy);
-
- mx = mpx + decode_cabac_mb_mvd( h, list, 0, 0 );
- my = mpy + decode_cabac_mb_mvd( h, list, 0, 1 );
- tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
- fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx-mpx,my-mpy), 4);
- fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
- }else
- fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, 0, 4);
- }
- }
- else if(IS_16X8(mb_type)){
- for(list=0; list<h->list_count; list++){
- for(i=0; i<2; i++){
- if(IS_DIR(mb_type, i, list)){
- int ref;
- if(h->ref_count[list] > 1){
- ref= decode_cabac_mb_ref( h, list, 8*i );
- if(ref >= (unsigned)h->ref_count[list]){
- av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);
- return -1;
- }
- }else
- ref=0;
- fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
- }else
- fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
- }
- }
- for(list=0; list<h->list_count; list++){
- for(i=0; i<2; i++){
- if(IS_DIR(mb_type, i, list)){
- pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mpx, &mpy);
- mx = mpx + decode_cabac_mb_mvd( h, list, 8*i, 0 );
- my = mpy + decode_cabac_mb_mvd( h, list, 8*i, 1 );
- tprintf(s->avctx, "final mv:%d %d\n", mx, my);
-
- fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx-mpx,my-mpy), 4);
- fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
- }else{
- fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
- fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
- }
- }
- }
- }else{
- assert(IS_8X16(mb_type));
- for(list=0; list<h->list_count; list++){
- for(i=0; i<2; i++){
- if(IS_DIR(mb_type, i, list)){ //FIXME optimize
- int ref;
- if(h->ref_count[list] > 1){
- ref= decode_cabac_mb_ref( h, list, 4*i );
- if(ref >= (unsigned)h->ref_count[list]){
- av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);
- return -1;
- }
- }else
- ref=0;
- fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
- }else
- fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
- }
- }
- for(list=0; list<h->list_count; list++){
- for(i=0; i<2; i++){
- if(IS_DIR(mb_type, i, list)){
- pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mpx, &mpy);
- mx = mpx + decode_cabac_mb_mvd( h, list, 4*i, 0 );
- my = mpy + decode_cabac_mb_mvd( h, list, 4*i, 1 );
-
- tprintf(s->avctx, "final mv:%d %d\n", mx, my);
- fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx-mpx,my-mpy), 4);
- fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
- }else{
- fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
- fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
- }
- }
- }
- }
- }
-
- if( IS_INTER( mb_type ) ) {
- h->chroma_pred_mode_table[mb_xy] = 0;
- write_back_motion( h, mb_type );
- }
-
- if( !IS_INTRA16x16( mb_type ) ) {
- cbp = decode_cabac_mb_cbp_luma( h );
- if(CHROMA)
- cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;
- }
-
- h->cbp_table[mb_xy] = h->cbp = cbp;
-
- if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
- if( decode_cabac_mb_transform_size( h ) )
- mb_type |= MB_TYPE_8x8DCT;
- }
- s->current_picture.mb_type[mb_xy]= mb_type;
-
- if( cbp || IS_INTRA16x16( mb_type ) ) {
- const uint8_t *scan, *scan8x8, *dc_scan;
- const uint32_t *qmul;
- int dqp;
-
- if(IS_INTERLACED(mb_type)){
- scan8x8= s->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
- scan= s->qscale ? h->field_scan : h->field_scan_q0;
- dc_scan= luma_dc_field_scan;
- }else{
- scan8x8= s->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
- scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
- dc_scan= luma_dc_zigzag_scan;
- }
-
- h->last_qscale_diff = dqp = decode_cabac_mb_dqp( h );
- if( dqp == INT_MIN ){
- av_log(h->s.avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", s->mb_x, s->mb_y);
- return -1;
- }
- s->qscale += dqp;
- if(((unsigned)s->qscale) > 51){
- if(s->qscale<0) s->qscale+= 52;
- else s->qscale-= 52;
- }
- h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale);
- h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale);
-
- if( IS_INTRA16x16( mb_type ) ) {
- int i;
- //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 DC\n" );
- decode_cabac_residual( h, h->mb, 0, 0, dc_scan, NULL, 16);
-
- if( cbp&15 ) {
- qmul = h->dequant4_coeff[0][s->qscale];
- for( i = 0; i < 16; i++ ) {
- //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 AC:%d\n", i );
- decode_cabac_residual(h, h->mb + 16*i, 1, i, scan + 1, qmul, 15);
- }
- } else {
- fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1);
- }
- } else {
- int i8x8, i4x4;
- for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
- if( cbp & (1<<i8x8) ) {
- if( IS_8x8DCT(mb_type) ) {
- decode_cabac_residual(h, h->mb + 64*i8x8, 5, 4*i8x8,
- scan8x8, h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 64);
- } else {
- qmul = h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale];
- for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
- const int index = 4*i8x8 + i4x4;
- //av_log( s->avctx, AV_LOG_ERROR, "Luma4x4: %d\n", index );
-//START_TIMER
- decode_cabac_residual(h, h->mb + 16*index, 2, index, scan, qmul, 16);
-//STOP_TIMER("decode_residual")
- }
- }
- } else {
- uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
- nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;
- }
- }
- }
-
- if( cbp&0x30 ){
- int c;
- for( c = 0; c < 2; c++ ) {
- //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-DC\n",c );
- decode_cabac_residual(h, h->mb + 256 + 16*4*c, 3, c, chroma_dc_scan, NULL, 4);
- }
- }
-
- if( cbp&0x20 ) {
- int c, i;
- for( c = 0; c < 2; c++ ) {
- qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
- for( i = 0; i < 4; i++ ) {
- const int index = 16 + 4 * c + i;
- //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-AC %d\n",c, index - 16 );
- decode_cabac_residual(h, h->mb + 16*index, 4, index, scan + 1, qmul, 15);
- }
- }
- } else {
- uint8_t * const nnz= &h->non_zero_count_cache[0];
- nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
- nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
- }
- } else {
- uint8_t * const nnz= &h->non_zero_count_cache[0];
- fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1);
- nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
- nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
- h->last_qscale_diff = 0;
- }
-
- s->current_picture.qscale_table[mb_xy]= s->qscale;
- write_back_non_zero_count(h);
-
- if(MB_MBAFF){
- h->ref_count[0] >>= 1;
- h->ref_count[1] >>= 1;
- }
-
- return 0;
-}
-
static int decode_slice(struct AVCodecContext *avctx, void *arg){
H264Context *h = *(void**)arg;
MpegEncContext * const s = &h->s;
@@ -3277,23 +2194,12 @@ static int decode_slice(struct AVCodecCo
ff_init_cabac_decoder( &h->cabac,
s->gb.buffer + get_bits_count(&s->gb)/8,
(get_bits_left(&s->gb) + 7)/8);
- /* calculate pre-state */
- for( i= 0; i < 460; i++ ) {
- int pre;
- if( h->slice_type_nos == FF_I_TYPE )
- pre = av_clip( ((cabac_context_init_I[i][0] * s->qscale) >>4 ) + cabac_context_init_I[i][1], 1, 126 );
- else
- pre = av_clip( ((cabac_context_init_PB[h->cabac_init_idc][i][0] * s->qscale) >>4 ) + cabac_context_init_PB[h->cabac_init_idc][i][1], 1, 126 );
- if( pre <= 63 )
- h->cabac_state[i] = 2 * ( 63 - pre ) + 0;
- else
- h->cabac_state[i] = 2 * ( pre - 64 ) + 1;
- }
+ ff_h264_init_cabac_states(h);
for(;;){
//START_TIMER
- int ret = decode_mb_cabac(h);
+ int ret = ff_h264_decode_mb_cabac(h);
int eos;
//STOP_TIMER("decode_mb_cabac")
@@ -3302,7 +2208,7 @@ static int decode_slice(struct AVCodecCo
if( ret >= 0 && FRAME_MBAFF ) { //FIXME optimal? or let mb_decode decode 16x32 ?
s->mb_y++;
- ret = decode_mb_cabac(h);
+ ret = ff_h264_decode_mb_cabac(h);
if(ret>=0) ff_h264_hl_decode_mb(h);
s->mb_y--;
Modified: trunk/libavcodec/h264.h
==============================================================================
--- trunk/libavcodec/h264.h Wed Jan 13 03:17:16 2010 (r21180)
+++ trunk/libavcodec/h264.h Wed Jan 13 03:35:36 2010 (r21181)
@@ -651,6 +651,14 @@ av_cold void ff_h264_decode_init_vlc(voi
*/
int ff_h264_decode_mb_cavlc(H264Context *h);
+/**
+ * decodes a CABAC coded macroblock
+ * @returns 0 if OK, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
+ */
+int ff_h264_decode_mb_cabac(H264Context *h);
+
+void ff_h264_init_cabac_states(H264Context *h);
+
void ff_h264_direct_dist_scale_factor(H264Context * const h);
void ff_h264_direct_ref_list_init(H264Context * const h);
void ff_h264_pred_direct_motion(H264Context * const h, int *mb_type);
Copied and modified: trunk/libavcodec/h264_cabac.c (from r21178, trunk/libavcodec/h264.c)
==============================================================================
--- trunk/libavcodec/h264.c Wed Jan 13 02:59:19 2010 (r21178, copy source)
+++ trunk/libavcodec/h264_cabac.c Wed Jan 13 03:35:36 2010 (r21181)
@@ -1,5 +1,5 @@
/*
- * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
+ * H.26L/H.264/AVC/JVT/14496-10/... cabac decoding
* Copyright (c) 2003 Michael Niedermayer <michaelni at gmx.at>
*
* This file is part of FFmpeg.
@@ -20,23 +20,18 @@
*/
/**
- * @file libavcodec/h264.c
- * H.264 / AVC / MPEG4 part10 codec.
+ * @file libavcodec/h264_cabac.c
+ * H.264 / AVC / MPEG4 part10 cabac decoding.
* @author Michael Niedermayer <michaelni at gmx.at>
*/
#include "internal.h"
#include "dsputil.h"
#include "avcodec.h"
-#include "mpegvideo.h"
#include "h264.h"
#include "h264data.h"
#include "h264_mvpred.h"
-#include "h264_parser.h"
#include "golomb.h"
-#include "mathops.h"
-#include "rectangle.h"
-#include "vdpau_internal.h"
#include "cabac.h"
#if ARCH_X86
@@ -46,2134 +41,667 @@
//#undef NDEBUG
#include <assert.h>
-static void svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp);
-static void svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, int dc);
-
-static const uint8_t rem6[52]={
-0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3,
-};
-
-static const uint8_t div6[52]={
-0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8,
-};
-
-void ff_h264_write_back_intra_pred_mode(H264Context *h){
- const int mb_xy= h->mb_xy;
-
- h->intra4x4_pred_mode[mb_xy][0]= h->intra4x4_pred_mode_cache[7+8*1];
- h->intra4x4_pred_mode[mb_xy][1]= h->intra4x4_pred_mode_cache[7+8*2];
- h->intra4x4_pred_mode[mb_xy][2]= h->intra4x4_pred_mode_cache[7+8*3];
- h->intra4x4_pred_mode[mb_xy][3]= h->intra4x4_pred_mode_cache[7+8*4];
- h->intra4x4_pred_mode[mb_xy][4]= h->intra4x4_pred_mode_cache[4+8*4];
- h->intra4x4_pred_mode[mb_xy][5]= h->intra4x4_pred_mode_cache[5+8*4];
- h->intra4x4_pred_mode[mb_xy][6]= h->intra4x4_pred_mode_cache[6+8*4];
-}
-
-/**
- * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
- */
-int ff_h264_check_intra4x4_pred_mode(H264Context *h){
- MpegEncContext * const s = &h->s;
- static const int8_t top [12]= {-1, 0,LEFT_DC_PRED,-1,-1,-1,-1,-1, 0};
- static const int8_t left[12]= { 0,-1, TOP_DC_PRED, 0,-1,-1,-1, 0,-1,DC_128_PRED};
- int i;
-
- if(!(h->top_samples_available&0x8000)){
- for(i=0; i<4; i++){
- int status= top[ h->intra4x4_pred_mode_cache[scan8[0] + i] ];
- if(status<0){
- av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
- return -1;
- } else if(status){
- h->intra4x4_pred_mode_cache[scan8[0] + i]= status;
- }
- }
- }
-
- if((h->left_samples_available&0x8888)!=0x8888){
- static const int mask[4]={0x8000,0x2000,0x80,0x20};
- for(i=0; i<4; i++){
- if(!(h->left_samples_available&mask[i])){
- int status= left[ h->intra4x4_pred_mode_cache[scan8[0] + 8*i] ];
- if(status<0){
- av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
- return -1;
- } else if(status){
- h->intra4x4_pred_mode_cache[scan8[0] + 8*i]= status;
- }
- }
- }
- }
-
- return 0;
-} //FIXME cleanup like ff_h264_check_intra_pred_mode
-
-/**
- * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
- */
-int ff_h264_check_intra_pred_mode(H264Context *h, int mode){
- MpegEncContext * const s = &h->s;
- static const int8_t top [7]= {LEFT_DC_PRED8x8, 1,-1,-1};
- static const int8_t left[7]= { TOP_DC_PRED8x8,-1, 2,-1,DC_128_PRED8x8};
-
- if(mode > 6U) {
- av_log(h->s.avctx, AV_LOG_ERROR, "out of range intra chroma pred mode at %d %d\n", s->mb_x, s->mb_y);
- return -1;
- }
-
- if(!(h->top_samples_available&0x8000)){
- mode= top[ mode ];
- if(mode<0){
- av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra mode at %d %d\n", s->mb_x, s->mb_y);
- return -1;
- }
- }
-
- if((h->left_samples_available&0x8080) != 0x8080){
- mode= left[ mode ];
- if(h->left_samples_available&0x8080){ //mad cow disease mode, aka MBAFF + constrained_intra_pred
- mode= ALZHEIMER_DC_L0T_PRED8x8 + (!(h->left_samples_available&0x8000)) + 2*(mode == DC_128_PRED8x8);
- }
- if(mode<0){
- av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra mode at %d %d\n", s->mb_x, s->mb_y);
- return -1;
- }
- }
-
- return mode;
-}
-
-const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src, int *dst_length, int *consumed, int length){
- int i, si, di;
- uint8_t *dst;
- int bufidx;
-
-// src[0]&0x80; //forbidden bit
- h->nal_ref_idc= src[0]>>5;
- h->nal_unit_type= src[0]&0x1F;
-
- src++; length--;
-#if 0
- for(i=0; i<length; i++)
- printf("%2X ", src[i]);
-#endif
-
-#if HAVE_FAST_UNALIGNED
-# if HAVE_FAST_64BIT
-# define RS 7
- for(i=0; i+1<length; i+=9){
- if(!((~*(const uint64_t*)(src+i) & (*(const uint64_t*)(src+i) - 0x0100010001000101ULL)) & 0x8000800080008080ULL))
-# else
-# define RS 3
- for(i=0; i+1<length; i+=5){
- if(!((~*(const uint32_t*)(src+i) & (*(const uint32_t*)(src+i) - 0x01000101U)) & 0x80008080U))
-# endif
- continue;
- if(i>0 && !src[i]) i--;
- while(src[i]) i++;
-#else
-# define RS 0
- for(i=0; i+1<length; i+=2){
- if(src[i]) continue;
- if(i>0 && src[i-1]==0) i--;
-#endif
- if(i+2<length && src[i+1]==0 && src[i+2]<=3){
- if(src[i+2]!=3){
- /* startcode, so we must be past the end */
- length=i;
- }
- break;
- }
- i-= RS;
- }
-
- if(i>=length-1){ //no escaped 0
- *dst_length= length;
- *consumed= length+1; //+1 for the header
- return src;
- }
-
- bufidx = h->nal_unit_type == NAL_DPC ? 1 : 0; // use second escape buffer for inter data
- av_fast_malloc(&h->rbsp_buffer[bufidx], &h->rbsp_buffer_size[bufidx], length+FF_INPUT_BUFFER_PADDING_SIZE);
- dst= h->rbsp_buffer[bufidx];
-
- if (dst == NULL){
- return NULL;
- }
-
-//printf("decoding esc\n");
- memcpy(dst, src, i);
- si=di=i;
- while(si+2<length){
- //remove escapes (very rare 1:2^22)
- if(src[si+2]>3){
- dst[di++]= src[si++];
- dst[di++]= src[si++];
- }else if(src[si]==0 && src[si+1]==0){
- if(src[si+2]==3){ //escape
- dst[di++]= 0;
- dst[di++]= 0;
- si+=3;
- continue;
- }else //next start code
- goto nsc;
- }
-
- dst[di++]= src[si++];
- }
- while(si<length)
- dst[di++]= src[si++];
-nsc:
-
- memset(dst+di, 0, FF_INPUT_BUFFER_PADDING_SIZE);
-
- *dst_length= di;
- *consumed= si + 1;//+1 for the header
-//FIXME store exact number of bits in the getbitcontext (it is needed for decoding)
- return dst;
-}
-
-int ff_h264_decode_rbsp_trailing(H264Context *h, const uint8_t *src){
- int v= *src;
- int r;
-
- tprintf(h->s.avctx, "rbsp trailing %X\n", v);
-
- for(r=1; r<9; r++){
- if(v&1) return r;
- v>>=1;
- }
- return 0;
-}
-
-/**
- * IDCT transforms the 16 dc values and dequantizes them.
- * @param qp quantization parameter
- */
-static void h264_luma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){
-#define stride 16
- int i;
- int temp[16]; //FIXME check if this is a good idea
- static const int x_offset[4]={0, 1*stride, 4* stride, 5*stride};
- static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
-
-//memset(block, 64, 2*256);
-//return;
- for(i=0; i<4; i++){
- const int offset= y_offset[i];
- const int z0= block[offset+stride*0] + block[offset+stride*4];
- const int z1= block[offset+stride*0] - block[offset+stride*4];
- const int z2= block[offset+stride*1] - block[offset+stride*5];
- const int z3= block[offset+stride*1] + block[offset+stride*5];
-
- temp[4*i+0]= z0+z3;
- temp[4*i+1]= z1+z2;
- temp[4*i+2]= z1-z2;
- temp[4*i+3]= z0-z3;
- }
-
- for(i=0; i<4; i++){
- const int offset= x_offset[i];
- const int z0= temp[4*0+i] + temp[4*2+i];
- const int z1= temp[4*0+i] - temp[4*2+i];
- const int z2= temp[4*1+i] - temp[4*3+i];
- const int z3= temp[4*1+i] + temp[4*3+i];
-
- block[stride*0 +offset]= ((((z0 + z3)*qmul + 128 ) >> 8)); //FIXME think about merging this into decode_residual
- block[stride*2 +offset]= ((((z1 + z2)*qmul + 128 ) >> 8));
- block[stride*8 +offset]= ((((z1 - z2)*qmul + 128 ) >> 8));
- block[stride*10+offset]= ((((z0 - z3)*qmul + 128 ) >> 8));
- }
-}
-
-#if 0
-/**
- * DCT transforms the 16 dc values.
- * @param qp quantization parameter ??? FIXME
- */
-static void h264_luma_dc_dct_c(DCTELEM *block/*, int qp*/){
-// const int qmul= dequant_coeff[qp][0];
- int i;
- int temp[16]; //FIXME check if this is a good idea
- static const int x_offset[4]={0, 1*stride, 4* stride, 5*stride};
- static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
-
- for(i=0; i<4; i++){
- const int offset= y_offset[i];
- const int z0= block[offset+stride*0] + block[offset+stride*4];
- const int z1= block[offset+stride*0] - block[offset+stride*4];
- const int z2= block[offset+stride*1] - block[offset+stride*5];
- const int z3= block[offset+stride*1] + block[offset+stride*5];
-
- temp[4*i+0]= z0+z3;
- temp[4*i+1]= z1+z2;
- temp[4*i+2]= z1-z2;
- temp[4*i+3]= z0-z3;
- }
-
- for(i=0; i<4; i++){
- const int offset= x_offset[i];
- const int z0= temp[4*0+i] + temp[4*2+i];
- const int z1= temp[4*0+i] - temp[4*2+i];
- const int z2= temp[4*1+i] - temp[4*3+i];
- const int z3= temp[4*1+i] + temp[4*3+i];
-
- block[stride*0 +offset]= (z0 + z3)>>1;
- block[stride*2 +offset]= (z1 + z2)>>1;
- block[stride*8 +offset]= (z1 - z2)>>1;
- block[stride*10+offset]= (z0 - z3)>>1;
- }
-}
-#endif
-
-#undef xStride
-#undef stride
-
-static void chroma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){
- const int stride= 16*2;
- const int xStride= 16;
- int a,b,c,d,e;
-
- a= block[stride*0 + xStride*0];
- b= block[stride*0 + xStride*1];
- c= block[stride*1 + xStride*0];
- d= block[stride*1 + xStride*1];
-
- e= a-b;
- a= a+b;
- b= c-d;
- c= c+d;
-
- block[stride*0 + xStride*0]= ((a+c)*qmul) >> 7;
- block[stride*0 + xStride*1]= ((e+b)*qmul) >> 7;
- block[stride*1 + xStride*0]= ((a-c)*qmul) >> 7;
- block[stride*1 + xStride*1]= ((e-b)*qmul) >> 7;
-}
-
-#if 0
-static void chroma_dc_dct_c(DCTELEM *block){
- const int stride= 16*2;
- const int xStride= 16;
- int a,b,c,d,e;
-
- a= block[stride*0 + xStride*0];
- b= block[stride*0 + xStride*1];
- c= block[stride*1 + xStride*0];
- d= block[stride*1 + xStride*1];
-
- e= a-b;
- a= a+b;
- b= c-d;
- c= c+d;
-
- block[stride*0 + xStride*0]= (a+c);
- block[stride*0 + xStride*1]= (e+b);
- block[stride*1 + xStride*0]= (a-c);
- block[stride*1 + xStride*1]= (e-b);
-}
-#endif
-
-static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square, int chroma_height, int delta, int list,
- uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
- int src_x_offset, int src_y_offset,
- qpel_mc_func *qpix_op, h264_chroma_mc_func chroma_op){
- MpegEncContext * const s = &h->s;
- const int mx= h->mv_cache[list][ scan8[n] ][0] + src_x_offset*8;
- int my= h->mv_cache[list][ scan8[n] ][1] + src_y_offset*8;
- const int luma_xy= (mx&3) + ((my&3)<<2);
- uint8_t * src_y = pic->data[0] + (mx>>2) + (my>>2)*h->mb_linesize;
- uint8_t * src_cb, * src_cr;
- int extra_width= h->emu_edge_width;
- int extra_height= h->emu_edge_height;
- int emu=0;
- const int full_mx= mx>>2;
- const int full_my= my>>2;
- const int pic_width = 16*s->mb_width;
- const int pic_height = 16*s->mb_height >> MB_FIELD;
-
- if(mx&7) extra_width -= 3;
- if(my&7) extra_height -= 3;
-
- if( full_mx < 0-extra_width
- || full_my < 0-extra_height
- || full_mx + 16/*FIXME*/ > pic_width + extra_width
- || full_my + 16/*FIXME*/ > pic_height + extra_height){
- ff_emulated_edge_mc(s->edge_emu_buffer, src_y - 2 - 2*h->mb_linesize, h->mb_linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height);
- src_y= s->edge_emu_buffer + 2 + 2*h->mb_linesize;
- emu=1;
- }
-
- qpix_op[luma_xy](dest_y, src_y, h->mb_linesize); //FIXME try variable height perhaps?
- if(!square){
- qpix_op[luma_xy](dest_y + delta, src_y + delta, h->mb_linesize);
- }
-
- if(CONFIG_GRAY && s->flags&CODEC_FLAG_GRAY) return;
-
- if(MB_FIELD){
- // chroma offset when predicting from a field of opposite parity
- my += 2 * ((s->mb_y & 1) - (pic->reference - 1));
- emu |= (my>>3) < 0 || (my>>3) + 8 >= (pic_height>>1);
- }
- src_cb= pic->data[1] + (mx>>3) + (my>>3)*h->mb_uvlinesize;
- src_cr= pic->data[2] + (mx>>3) + (my>>3)*h->mb_uvlinesize;
-
- if(emu){
- ff_emulated_edge_mc(s->edge_emu_buffer, src_cb, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
- src_cb= s->edge_emu_buffer;
- }
- chroma_op(dest_cb, src_cb, h->mb_uvlinesize, chroma_height, mx&7, my&7);
-
- if(emu){
- ff_emulated_edge_mc(s->edge_emu_buffer, src_cr, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
- src_cr= s->edge_emu_buffer;
- }
- chroma_op(dest_cr, src_cr, h->mb_uvlinesize, chroma_height, mx&7, my&7);
-}
-
-static inline void mc_part_std(H264Context *h, int n, int square, int chroma_height, int delta,
- uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
- int x_offset, int y_offset,
- qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
- qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
- int list0, int list1){
- MpegEncContext * const s = &h->s;
- qpel_mc_func *qpix_op= qpix_put;
- h264_chroma_mc_func chroma_op= chroma_put;
-
- dest_y += 2*x_offset + 2*y_offset*h-> mb_linesize;
- dest_cb += x_offset + y_offset*h->mb_uvlinesize;
- dest_cr += x_offset + y_offset*h->mb_uvlinesize;
- x_offset += 8*s->mb_x;
- y_offset += 8*(s->mb_y >> MB_FIELD);
-
- if(list0){
- Picture *ref= &h->ref_list[0][ h->ref_cache[0][ scan8[n] ] ];
- mc_dir_part(h, ref, n, square, chroma_height, delta, 0,
- dest_y, dest_cb, dest_cr, x_offset, y_offset,
- qpix_op, chroma_op);
-
- qpix_op= qpix_avg;
- chroma_op= chroma_avg;
- }
-
- if(list1){
- Picture *ref= &h->ref_list[1][ h->ref_cache[1][ scan8[n] ] ];
- mc_dir_part(h, ref, n, square, chroma_height, delta, 1,
- dest_y, dest_cb, dest_cr, x_offset, y_offset,
- qpix_op, chroma_op);
- }
-}
-
-static inline void mc_part_weighted(H264Context *h, int n, int square, int chroma_height, int delta,
- uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
- int x_offset, int y_offset,
- qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
- h264_weight_func luma_weight_op, h264_weight_func chroma_weight_op,
- h264_biweight_func luma_weight_avg, h264_biweight_func chroma_weight_avg,
- int list0, int list1){
- MpegEncContext * const s = &h->s;
-
- dest_y += 2*x_offset + 2*y_offset*h-> mb_linesize;
- dest_cb += x_offset + y_offset*h->mb_uvlinesize;
- dest_cr += x_offset + y_offset*h->mb_uvlinesize;
- x_offset += 8*s->mb_x;
- y_offset += 8*(s->mb_y >> MB_FIELD);
-
- if(list0 && list1){
- /* don't optimize for luma-only case, since B-frames usually
- * use implicit weights => chroma too. */
- uint8_t *tmp_cb = s->obmc_scratchpad;
- uint8_t *tmp_cr = s->obmc_scratchpad + 8;
- uint8_t *tmp_y = s->obmc_scratchpad + 8*h->mb_uvlinesize;
- int refn0 = h->ref_cache[0][ scan8[n] ];
- int refn1 = h->ref_cache[1][ scan8[n] ];
-
- mc_dir_part(h, &h->ref_list[0][refn0], n, square, chroma_height, delta, 0,
- dest_y, dest_cb, dest_cr,
- x_offset, y_offset, qpix_put, chroma_put);
- mc_dir_part(h, &h->ref_list[1][refn1], n, square, chroma_height, delta, 1,
- tmp_y, tmp_cb, tmp_cr,
- x_offset, y_offset, qpix_put, chroma_put);
-
- if(h->use_weight == 2){
- int weight0 = h->implicit_weight[refn0][refn1];
- int weight1 = 64 - weight0;
- luma_weight_avg( dest_y, tmp_y, h-> mb_linesize, 5, weight0, weight1, 0);
- chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, 5, weight0, weight1, 0);
- chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, 5, weight0, weight1, 0);
- }else{
- luma_weight_avg(dest_y, tmp_y, h->mb_linesize, h->luma_log2_weight_denom,
- h->luma_weight[0][refn0], h->luma_weight[1][refn1],
- h->luma_offset[0][refn0] + h->luma_offset[1][refn1]);
- chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom,
- h->chroma_weight[0][refn0][0], h->chroma_weight[1][refn1][0],
- h->chroma_offset[0][refn0][0] + h->chroma_offset[1][refn1][0]);
- chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom,
- h->chroma_weight[0][refn0][1], h->chroma_weight[1][refn1][1],
- h->chroma_offset[0][refn0][1] + h->chroma_offset[1][refn1][1]);
- }
- }else{
- int list = list1 ? 1 : 0;
- int refn = h->ref_cache[list][ scan8[n] ];
- Picture *ref= &h->ref_list[list][refn];
- mc_dir_part(h, ref, n, square, chroma_height, delta, list,
- dest_y, dest_cb, dest_cr, x_offset, y_offset,
- qpix_put, chroma_put);
-
- luma_weight_op(dest_y, h->mb_linesize, h->luma_log2_weight_denom,
- h->luma_weight[list][refn], h->luma_offset[list][refn]);
- if(h->use_weight_chroma){
- chroma_weight_op(dest_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom,
- h->chroma_weight[list][refn][0], h->chroma_offset[list][refn][0]);
- chroma_weight_op(dest_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom,
- h->chroma_weight[list][refn][1], h->chroma_offset[list][refn][1]);
- }
- }
-}
-
-static inline void mc_part(H264Context *h, int n, int square, int chroma_height, int delta,
- uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
- int x_offset, int y_offset,
- qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
- qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
- h264_weight_func *weight_op, h264_biweight_func *weight_avg,
- int list0, int list1){
- if((h->use_weight==2 && list0 && list1
- && (h->implicit_weight[ h->ref_cache[0][scan8[n]] ][ h->ref_cache[1][scan8[n]] ] != 32))
- || h->use_weight==1)
- mc_part_weighted(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
- x_offset, y_offset, qpix_put, chroma_put,
- weight_op[0], weight_op[3], weight_avg[0], weight_avg[3], list0, list1);
- else
- mc_part_std(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
- x_offset, y_offset, qpix_put, chroma_put, qpix_avg, chroma_avg, list0, list1);
-}
-
-static inline void prefetch_motion(H264Context *h, int list){
- /* fetch pixels for estimated mv 4 macroblocks ahead
- * optimized for 64byte cache lines */
- MpegEncContext * const s = &h->s;
- const int refn = h->ref_cache[list][scan8[0]];
- if(refn >= 0){
- const int mx= (h->mv_cache[list][scan8[0]][0]>>2) + 16*s->mb_x + 8;
- const int my= (h->mv_cache[list][scan8[0]][1]>>2) + 16*s->mb_y;
- uint8_t **src= h->ref_list[list][refn].data;
- int off= mx + (my + (s->mb_x&3)*4)*h->mb_linesize + 64;
- s->dsp.prefetch(src[0]+off, s->linesize, 4);
- off= (mx>>1) + ((my>>1) + (s->mb_x&7))*s->uvlinesize + 64;
- s->dsp.prefetch(src[1]+off, src[2]-src[1], 2);
- }
-}
-
-static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
- qpel_mc_func (*qpix_put)[16], h264_chroma_mc_func (*chroma_put),
- qpel_mc_func (*qpix_avg)[16], h264_chroma_mc_func (*chroma_avg),
- h264_weight_func *weight_op, h264_biweight_func *weight_avg){
- MpegEncContext * const s = &h->s;
- const int mb_xy= h->mb_xy;
- const int mb_type= s->current_picture.mb_type[mb_xy];
-
- assert(IS_INTER(mb_type));
-
- prefetch_motion(h, 0);
-
- if(IS_16X16(mb_type)){
- mc_part(h, 0, 1, 8, 0, dest_y, dest_cb, dest_cr, 0, 0,
- qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],
- &weight_op[0], &weight_avg[0],
- IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
- }else if(IS_16X8(mb_type)){
- mc_part(h, 0, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 0,
- qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
- &weight_op[1], &weight_avg[1],
- IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
- mc_part(h, 8, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 4,
- qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
- &weight_op[1], &weight_avg[1],
- IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
- }else if(IS_8X16(mb_type)){
- mc_part(h, 0, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,
- qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
- &weight_op[2], &weight_avg[2],
- IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
- mc_part(h, 4, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,
- qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
- &weight_op[2], &weight_avg[2],
- IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
- }else{
- int i;
-
- assert(IS_8X8(mb_type));
-
- for(i=0; i<4; i++){
- const int sub_mb_type= h->sub_mb_type[i];
- const int n= 4*i;
- int x_offset= (i&1)<<2;
- int y_offset= (i&2)<<1;
-
- if(IS_SUB_8X8(sub_mb_type)){
- mc_part(h, n, 1, 4, 0, dest_y, dest_cb, dest_cr, x_offset, y_offset,
- qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
- &weight_op[3], &weight_avg[3],
- IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
- }else if(IS_SUB_8X4(sub_mb_type)){
- mc_part(h, n , 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset,
- qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
- &weight_op[4], &weight_avg[4],
- IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
- mc_part(h, n+2, 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset+2,
- qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
- &weight_op[4], &weight_avg[4],
- IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
- }else if(IS_SUB_4X8(sub_mb_type)){
- mc_part(h, n , 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset, y_offset,
- qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
- &weight_op[5], &weight_avg[5],
- IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
- mc_part(h, n+1, 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset+2, y_offset,
- qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
- &weight_op[5], &weight_avg[5],
- IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
- }else{
- int j;
- assert(IS_SUB_4X4(sub_mb_type));
- for(j=0; j<4; j++){
- int sub_x_offset= x_offset + 2*(j&1);
- int sub_y_offset= y_offset + (j&2);
- mc_part(h, n+j, 1, 2, 0, dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,
- qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
- &weight_op[6], &weight_avg[6],
- IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
- }
- }
- }
- }
-
- prefetch_motion(h, 1);
-}
-
-
-static void free_tables(H264Context *h){
- int i;
- H264Context *hx;
- av_freep(&h->intra4x4_pred_mode);
- av_freep(&h->chroma_pred_mode_table);
- av_freep(&h->cbp_table);
- av_freep(&h->mvd_table[0]);
- av_freep(&h->mvd_table[1]);
- av_freep(&h->direct_table);
- av_freep(&h->non_zero_count);
- av_freep(&h->slice_table_base);
- h->slice_table= NULL;
-
- av_freep(&h->mb2b_xy);
- av_freep(&h->mb2b8_xy);
-
- for(i = 0; i < MAX_THREADS; i++) {
- hx = h->thread_context[i];
- if(!hx) continue;
- av_freep(&hx->top_borders[1]);
- av_freep(&hx->top_borders[0]);
- av_freep(&hx->s.obmc_scratchpad);
- av_freep(&hx->rbsp_buffer[1]);
- av_freep(&hx->rbsp_buffer[0]);
- hx->rbsp_buffer_size[0] = 0;
- hx->rbsp_buffer_size[1] = 0;
- if (i) av_freep(&h->thread_context[i]);
- }
-}
-
-static void init_dequant8_coeff_table(H264Context *h){
- int i,q,x;
- const int transpose = (h->s.dsp.h264_idct8_add != ff_h264_idct8_add_c); //FIXME ugly
- h->dequant8_coeff[0] = h->dequant8_buffer[0];
- h->dequant8_coeff[1] = h->dequant8_buffer[1];
-
- for(i=0; i<2; i++ ){
- if(i && !memcmp(h->pps.scaling_matrix8[0], h->pps.scaling_matrix8[1], 64*sizeof(uint8_t))){
- h->dequant8_coeff[1] = h->dequant8_buffer[0];
- break;
- }
-
- for(q=0; q<52; q++){
- int shift = div6[q];
- int idx = rem6[q];
- for(x=0; x<64; x++)
- h->dequant8_coeff[i][q][transpose ? (x>>3)|((x&7)<<3) : x] =
- ((uint32_t)dequant8_coeff_init[idx][ dequant8_coeff_init_scan[((x>>1)&12) | (x&3)] ] *
- h->pps.scaling_matrix8[i][x]) << shift;
- }
- }
-}
-
-static void init_dequant4_coeff_table(H264Context *h){
- int i,j,q,x;
- const int transpose = (h->s.dsp.h264_idct_add != ff_h264_idct_add_c); //FIXME ugly
- for(i=0; i<6; i++ ){
- h->dequant4_coeff[i] = h->dequant4_buffer[i];
- for(j=0; j<i; j++){
- if(!memcmp(h->pps.scaling_matrix4[j], h->pps.scaling_matrix4[i], 16*sizeof(uint8_t))){
- h->dequant4_coeff[i] = h->dequant4_buffer[j];
- break;
- }
- }
- if(j<i)
- continue;
-
- for(q=0; q<52; q++){
- int shift = div6[q] + 2;
- int idx = rem6[q];
- for(x=0; x<16; x++)
- h->dequant4_coeff[i][q][transpose ? (x>>2)|((x<<2)&0xF) : x] =
- ((uint32_t)dequant4_coeff_init[idx][(x&1) + ((x>>2)&1)] *
- h->pps.scaling_matrix4[i][x]) << shift;
- }
- }
-}
-
-static void init_dequant_tables(H264Context *h){
- int i,x;
- init_dequant4_coeff_table(h);
- if(h->pps.transform_8x8_mode)
- init_dequant8_coeff_table(h);
- if(h->sps.transform_bypass){
- for(i=0; i<6; i++)
- for(x=0; x<16; x++)
- h->dequant4_coeff[i][0][x] = 1<<6;
- if(h->pps.transform_8x8_mode)
- for(i=0; i<2; i++)
- for(x=0; x<64; x++)
- h->dequant8_coeff[i][0][x] = 1<<6;
- }
-}
-
-
-int ff_h264_alloc_tables(H264Context *h){
- MpegEncContext * const s = &h->s;
- const int big_mb_num= s->mb_stride * (s->mb_height+1);
- int x,y;
-
- FF_ALLOCZ_OR_GOTO(h->s.avctx, h->intra4x4_pred_mode, big_mb_num * 8 * sizeof(uint8_t), fail)
-
- FF_ALLOCZ_OR_GOTO(h->s.avctx, h->non_zero_count , big_mb_num * 16 * sizeof(uint8_t), fail)
- FF_ALLOCZ_OR_GOTO(h->s.avctx, h->slice_table_base , (big_mb_num+s->mb_stride) * sizeof(*h->slice_table_base), fail)
- FF_ALLOCZ_OR_GOTO(h->s.avctx, h->cbp_table, big_mb_num * sizeof(uint16_t), fail)
-
- FF_ALLOCZ_OR_GOTO(h->s.avctx, h->chroma_pred_mode_table, big_mb_num * sizeof(uint8_t), fail)
- FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mvd_table[0], 32*big_mb_num * sizeof(uint16_t), fail);
- FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mvd_table[1], 32*big_mb_num * sizeof(uint16_t), fail);
- FF_ALLOCZ_OR_GOTO(h->s.avctx, h->direct_table, 32*big_mb_num * sizeof(uint8_t) , fail);
-
- memset(h->slice_table_base, -1, (big_mb_num+s->mb_stride) * sizeof(*h->slice_table_base));
- h->slice_table= h->slice_table_base + s->mb_stride*2 + 1;
-
- FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mb2b_xy , big_mb_num * sizeof(uint32_t), fail);
- FF_ALLOCZ_OR_GOTO(h->s.avctx, h->mb2b8_xy , big_mb_num * sizeof(uint32_t), fail);
- for(y=0; y<s->mb_height; y++){
- for(x=0; x<s->mb_width; x++){
- const int mb_xy= x + y*s->mb_stride;
- const int b_xy = 4*x + 4*y*h->b_stride;
- const int b8_xy= 2*x + 2*y*h->b8_stride;
-
- h->mb2b_xy [mb_xy]= b_xy;
- h->mb2b8_xy[mb_xy]= b8_xy;
- }
- }
-
- s->obmc_scratchpad = NULL;
-
- if(!h->dequant4_coeff[0])
- init_dequant_tables(h);
+/* Cabac pre state table */
- return 0;
-fail:
- free_tables(h);
- return -1;
-}
+static const int8_t cabac_context_init_I[460][2] =
+{
+ /* 0 - 10 */
+ { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
+ { 2, 54 }, { 3, 74 }, { -28,127 }, { -23, 104 },
+ { -6, 53 }, { -1, 54 }, { 7, 51 },
-/**
- * Mimic alloc_tables(), but for every context thread.
- */
-static void clone_tables(H264Context *dst, H264Context *src){
- dst->intra4x4_pred_mode = src->intra4x4_pred_mode;
- dst->non_zero_count = src->non_zero_count;
- dst->slice_table = src->slice_table;
- dst->cbp_table = src->cbp_table;
- dst->mb2b_xy = src->mb2b_xy;
- dst->mb2b8_xy = src->mb2b8_xy;
- dst->chroma_pred_mode_table = src->chroma_pred_mode_table;
- dst->mvd_table[0] = src->mvd_table[0];
- dst->mvd_table[1] = src->mvd_table[1];
- dst->direct_table = src->direct_table;
+ /* 11 - 23 unsused for I */
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
+ { 0, 0 },
- dst->s.obmc_scratchpad = NULL;
- ff_h264_pred_init(&dst->hpc, src->s.codec_id);
-}
+ /* 24- 39 */
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
-/**
- * Init context
- * Allocate buffers which are not shared amongst multiple threads.
- */
-static int context_init(H264Context *h){
- FF_ALLOCZ_OR_GOTO(h->s.avctx, h->top_borders[0], h->s.mb_width * (16+8+8) * sizeof(uint8_t), fail)
- FF_ALLOCZ_OR_GOTO(h->s.avctx, h->top_borders[1], h->s.mb_width * (16+8+8) * sizeof(uint8_t), fail)
+ /* 40 - 53 */
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
+ { 0, 0 }, { 0, 0 },
- return 0;
-fail:
- return -1; // free_tables will clean up for us
-}
+ /* 54 - 59 */
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
+ { 0, 0 }, { 0, 0 },
-static av_cold void common_init(H264Context *h){
- MpegEncContext * const s = &h->s;
+ /* 60 - 69 */
+ { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
+ { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
+ { 13, 41 }, { 3, 62 },
- s->width = s->avctx->width;
- s->height = s->avctx->height;
- s->codec_id= s->avctx->codec->id;
+ /* 70 -> 87 */
+ { 0, 11 }, { 1, 55 }, { 0, 69 }, { -17, 127 },
+ { -13, 102 },{ 0, 82 }, { -7, 74 }, { -21, 107 },
+ { -27, 127 },{ -31, 127 },{ -24, 127 }, { -18, 95 },
+ { -27, 127 },{ -21, 114 },{ -30, 127 }, { -17, 123 },
+ { -12, 115 },{ -16, 122 },
- ff_h264_pred_init(&h->hpc, s->codec_id);
+ /* 88 -> 104 */
+ { -11, 115 },{ -12, 63 }, { -2, 68 }, { -15, 84 },
+ { -13, 104 },{ -3, 70 }, { -8, 93 }, { -10, 90 },
+ { -30, 127 },{ -1, 74 }, { -6, 97 }, { -7, 91 },
+ { -20, 127 },{ -4, 56 }, { -5, 82 }, { -7, 76 },
+ { -22, 125 },
- h->dequant_coeff_pps= -1;
- s->unrestricted_mv=1;
- s->decode=1; //FIXME
+ /* 105 -> 135 */
+ { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
+ { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
+ { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
+ { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
+ { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
+ { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
+ { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
+ { 14, 62 }, { -13, 108 },{ -15, 100 },
- dsputil_init(&s->dsp, s->avctx); // needed so that idct permutation is known early
+ /* 136 -> 165 */
+ { -13, 101 },{ -13, 91 }, { -12, 94 }, { -10, 88 },
+ { -16, 84 }, { -10, 86 }, { -7, 83 }, { -13, 87 },
+ { -19, 94 }, { 1, 70 }, { 0, 72 }, { -5, 74 },
+ { 18, 59 }, { -8, 102 }, { -15, 100 }, { 0, 95 },
+ { -4, 75 }, { 2, 72 }, { -11, 75 }, { -3, 71 },
+ { 15, 46 }, { -13, 69 }, { 0, 62 }, { 0, 65 },
+ { 21, 37 }, { -15, 72 }, { 9, 57 }, { 16, 54 },
+ { 0, 62 }, { 12, 72 },
- memset(h->pps.scaling_matrix4, 16, 6*16*sizeof(uint8_t));
- memset(h->pps.scaling_matrix8, 16, 2*64*sizeof(uint8_t));
-}
+ /* 166 -> 196 */
+ { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
+ { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
+ { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
+ { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
+ { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
+ { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
+ { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
+ { 0, 89 }, { 26, -19 }, { 22, -17 },
-av_cold int ff_h264_decode_init(AVCodecContext *avctx){
- H264Context *h= avctx->priv_data;
- MpegEncContext * const s = &h->s;
+ /* 197 -> 226 */
+ { 26, -17 }, { 30, -25 }, { 28, -20 }, { 33, -23 },
+ { 37, -27 }, { 33, -23 }, { 40, -28 }, { 38, -17 },
+ { 33, -11 }, { 40, -15 }, { 41, -6 }, { 38, 1 },
+ { 41, 17 }, { 30, -6 }, { 27, 3 }, { 26, 22 },
+ { 37, -16 }, { 35, -4 }, { 38, -8 }, { 38, -3 },
+ { 37, 3 }, { 38, 5 }, { 42, 0 }, { 35, 16 },
+ { 39, 22 }, { 14, 48 }, { 27, 37 }, { 21, 60 },
+ { 12, 68 }, { 2, 97 },
- MPV_decode_defaults(s);
+ /* 227 -> 251 */
+ { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 },
+ { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 },
+ { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 },
+ { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 },
+ { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 },
+ { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 },
+ { -4, 65 },
- s->avctx = avctx;
- common_init(h);
+ /* 252 -> 275 */
+ { -12, 73 }, { -8, 76 }, { -7, 80 }, { -9, 88 },
+ { -17, 110 },{ -11, 97 }, { -20, 84 }, { -11, 79 },
+ { -6, 73 }, { -4, 74 }, { -13, 86 }, { -13, 96 },
+ { -11, 97 }, { -19, 117 },{ -8, 78 }, { -5, 33 },
+ { -4, 48 }, { -2, 53 }, { -3, 62 }, { -13, 71 },
+ { -10, 79 }, { -12, 86 }, { -13, 90 }, { -14, 97 },
- s->out_format = FMT_H264;
- s->workaround_bugs= avctx->workaround_bugs;
+ /* 276 a bit special (not used, bypass is used instead) */
+ { 0, 0 },
- // set defaults
-// s->decode_mb= ff_h263_decode_mb;
- s->quarter_sample = 1;
- if(!avctx->has_b_frames)
- s->low_delay= 1;
+ /* 277 -> 307 */
+ { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
+ { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
+ { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
+ { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
+ { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
+ { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
+ { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
+ { 9, 64 }, { -12, 104 },{ -11, 97 },
- avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
+ /* 308 -> 337 */
+ { -16, 96 }, { -7, 88 }, { -8, 85 }, { -7, 85 },
+ { -9, 85 }, { -13, 88 }, { 4, 66 }, { -3, 77 },
+ { -3, 76 }, { -6, 76 }, { 10, 58 }, { -1, 76 },
+ { -1, 83 }, { -7, 99 }, { -14, 95 }, { 2, 95 },
+ { 0, 76 }, { -5, 74 }, { 0, 70 }, { -11, 75 },
+ { 1, 68 }, { 0, 65 }, { -14, 73 }, { 3, 62 },
+ { 4, 62 }, { -1, 68 }, { -13, 75 }, { 11, 55 },
+ { 5, 64 }, { 12, 70 },
- ff_h264_decode_init_vlc();
+ /* 338 -> 368 */
+ { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
+ { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
+ { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
+ { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
+ { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
+ { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
+ { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
+ { -12, 109 },{ 36, -35 }, { 36, -34 },
- if(avctx->extradata_size > 0 && avctx->extradata &&
- *(char *)avctx->extradata == 1){
- h->is_avc = 1;
- h->got_avcC = 0;
- } else {
- h->is_avc = 0;
- }
+ /* 369 -> 398 */
+ { 32, -26 }, { 37, -30 }, { 44, -32 }, { 34, -18 },
+ { 34, -15 }, { 40, -15 }, { 33, -7 }, { 35, -5 },
+ { 33, 0 }, { 38, 2 }, { 33, 13 }, { 23, 35 },
+ { 13, 58 }, { 29, -3 }, { 26, 0 }, { 22, 30 },
+ { 31, -7 }, { 35, -15 }, { 34, -3 }, { 34, 3 },
+ { 36, -1 }, { 34, 5 }, { 32, 11 }, { 35, 5 },
+ { 34, 12 }, { 39, 11 }, { 30, 29 }, { 34, 26 },
+ { 29, 39 }, { 19, 66 },
- h->thread_context[0] = h;
- h->outputed_poc = INT_MIN;
- h->prev_poc_msb= 1<<16;
- ff_h264_reset_sei(h);
- if(avctx->codec_id == CODEC_ID_H264){
- if(avctx->ticks_per_frame == 1){
- s->avctx->time_base.den *=2;
- }
- avctx->ticks_per_frame = 2;
- }
- return 0;
-}
+ /* 399 -> 435 */
+ { 31, 21 }, { 31, 31 }, { 25, 50 },
+ { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 },
+ { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 },
+ { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 },
+ { -23, 68 }, { -24, 50 }, { -11, 74 }, { 23, -13 },
+ { 26, -13 }, { 40, -15 }, { 49, -14 }, { 44, 3 },
+ { 45, 6 }, { 44, 34 }, { 33, 54 }, { 19, 82 },
+ { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 },
+ { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 },
+ { 0, 68 }, { -9, 92 },
-int ff_h264_frame_start(H264Context *h){
- MpegEncContext * const s = &h->s;
- int i;
+ /* 436 -> 459 */
+ { -14, 106 }, { -13, 97 }, { -15, 90 }, { -12, 90 },
+ { -18, 88 }, { -10, 73 }, { -9, 79 }, { -14, 86 },
+ { -10, 73 }, { -10, 70 }, { -10, 69 }, { -5, 66 },
+ { -9, 64 }, { -5, 58 }, { 2, 59 }, { 21, -10 },
+ { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 },
+ { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 }
+};
- if(MPV_frame_start(s, s->avctx) < 0)
- return -1;
- ff_er_frame_start(s);
- /*
- * MPV_frame_start uses pict_type to derive key_frame.
- * This is incorrect for H.264; IDR markings must be used.
- * Zero here; IDR markings per slice in frame or fields are ORed in later.
- * See decode_nal_units().
- */
- s->current_picture_ptr->key_frame= 0;
- s->current_picture_ptr->mmco_reset= 0;
+static const int8_t cabac_context_init_PB[3][460][2] =
+{
+ /* i_cabac_init_idc == 0 */
+ {
+ /* 0 - 10 */
+ { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
+ { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
+ { -6, 53 }, { -1, 54 }, { 7, 51 },
- assert(s->linesize && s->uvlinesize);
+ /* 11 - 23 */
+ { 23, 33 }, { 23, 2 }, { 21, 0 }, { 1, 9 },
+ { 0, 49 }, { -37, 118 }, { 5, 57 }, { -13, 78 },
+ { -11, 65 }, { 1, 62 }, { 12, 49 }, { -4, 73 },
+ { 17, 50 },
- for(i=0; i<16; i++){
- h->block_offset[i]= 4*((scan8[i] - scan8[0])&7) + 4*s->linesize*((scan8[i] - scan8[0])>>3);
- h->block_offset[24+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->linesize*((scan8[i] - scan8[0])>>3);
- }
- for(i=0; i<4; i++){
- h->block_offset[16+i]=
- h->block_offset[20+i]= 4*((scan8[i] - scan8[0])&7) + 4*s->uvlinesize*((scan8[i] - scan8[0])>>3);
- h->block_offset[24+16+i]=
- h->block_offset[24+20+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->uvlinesize*((scan8[i] - scan8[0])>>3);
- }
+ /* 24 - 39 */
+ { 18, 64 }, { 9, 43 }, { 29, 0 }, { 26, 67 },
+ { 16, 90 }, { 9, 104 }, { -46, 127 }, { -20, 104 },
+ { 1, 67 }, { -13, 78 }, { -11, 65 }, { 1, 62 },
+ { -6, 86 }, { -17, 95 }, { -6, 61 }, { 9, 45 },
- /* can't be in alloc_tables because linesize isn't known there.
- * FIXME: redo bipred weight to not require extra buffer? */
- for(i = 0; i < s->avctx->thread_count; i++)
- if(!h->thread_context[i]->s.obmc_scratchpad)
- h->thread_context[i]->s.obmc_scratchpad = av_malloc(16*2*s->linesize + 8*2*s->uvlinesize);
+ /* 40 - 53 */
+ { -3, 69 }, { -6, 81 }, { -11, 96 }, { 6, 55 },
+ { 7, 67 }, { -5, 86 }, { 2, 88 }, { 0, 58 },
+ { -3, 76 }, { -10, 94 }, { 5, 54 }, { 4, 69 },
+ { -3, 81 }, { 0, 88 },
- /* some macroblocks will be accessed before they're available */
- if(FRAME_MBAFF || s->avctx->thread_count > 1)
- memset(h->slice_table, -1, (s->mb_height*s->mb_stride-1) * sizeof(*h->slice_table));
+ /* 54 - 59 */
+ { -7, 67 }, { -5, 74 }, { -4, 74 }, { -5, 80 },
+ { -7, 72 }, { 1, 58 },
-// s->decode= (s->flags&CODEC_FLAG_PSNR) || !s->encoding || s->current_picture.reference /*|| h->contains_intra*/ || 1;
+ /* 60 - 69 */
+ { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
+ { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
+ { 13, 41 }, { 3, 62 },
- // We mark the current picture as non-reference after allocating it, so
- // that if we break out due to an error it can be released automatically
- // in the next MPV_frame_start().
- // SVQ3 as well as most other codecs have only last/next/current and thus
- // get released even with set reference, besides SVQ3 and others do not
- // mark frames as reference later "naturally".
- if(s->codec_id != CODEC_ID_SVQ3)
- s->current_picture_ptr->reference= 0;
+ /* 70 - 87 */
+ { 0, 45 }, { -4, 78 }, { -3, 96 }, { -27, 126 },
+ { -28, 98 }, { -25, 101 }, { -23, 67 }, { -28, 82 },
+ { -20, 94 }, { -16, 83 }, { -22, 110 }, { -21, 91 },
+ { -18, 102 }, { -13, 93 }, { -29, 127 }, { -7, 92 },
+ { -5, 89 }, { -7, 96 }, { -13, 108 }, { -3, 46 },
+ { -1, 65 }, { -1, 57 }, { -9, 93 }, { -3, 74 },
+ { -9, 92 }, { -8, 87 }, { -23, 126 }, { 5, 54 },
+ { 6, 60 }, { 6, 59 }, { 6, 69 }, { -1, 48 },
+ { 0, 68 }, { -4, 69 }, { -8, 88 },
- s->current_picture_ptr->field_poc[0]=
- s->current_picture_ptr->field_poc[1]= INT_MAX;
- assert(s->current_picture_ptr->long_ref==0);
+ /* 105 -> 165 */
+ { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
+ { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
+ { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
+ { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
+ { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
+ { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
+ { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
+ { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
+ { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
+ { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
+ { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
+ { 3, 64 }, { 1, 61 }, { 9, 63 }, { 7, 50 },
+ { 16, 39 }, { 5, 44 }, { 4, 52 }, { 11, 48 },
+ { -5, 60 }, { -1, 59 }, { 0, 59 }, { 22, 33 },
+ { 5, 44 }, { 14, 43 }, { -1, 78 }, { 0, 60 },
+ { 9, 69 },
- return 0;
-}
+ /* 166 - 226 */
+ { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
+ { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
+ { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
+ { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
+ { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
+ { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
+ { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
+ { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
+ { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
+ { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
+ { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
+ { 1, 67 }, { 5, 59 }, { 9, 67 }, { 16, 30 },
+ { 18, 32 }, { 18, 35 }, { 22, 29 }, { 24, 31 },
+ { 23, 38 }, { 18, 43 }, { 20, 41 }, { 11, 63 },
+ { 9, 59 }, { 9, 64 }, { -1, 94 }, { -2, 89 },
+ { -9, 108 },
-static inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int simple){
- MpegEncContext * const s = &h->s;
- int i;
- int step = 1;
- int offset = 1;
- int uvoffset= 1;
- int top_idx = 1;
- int skiplast= 0;
+ /* 227 - 275 */
+ { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 },
+ { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 },
+ { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 },
+ { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 },
+ { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 },
+ { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 },
+ { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 },
+ { -3, 74 }, { -10, 90 }, { 0, 70 }, { -4, 29 },
+ { 5, 31 }, { 7, 42 }, { 1, 59 }, { -2, 58 },
+ { -3, 72 }, { -3, 81 }, { -11, 97 }, { 0, 58 },
+ { 8, 5 }, { 10, 14 }, { 14, 18 }, { 13, 27 },
+ { 2, 40 }, { 0, 58 }, { -3, 70 }, { -6, 79 },
+ { -8, 85 },
- src_y -= linesize;
- src_cb -= uvlinesize;
- src_cr -= uvlinesize;
+ /* 276 a bit special (not used, bypass is used instead) */
+ { 0, 0 },
- if(!simple && FRAME_MBAFF){
- if(s->mb_y&1){
- offset = MB_MBAFF ? 1 : 17;
- uvoffset= MB_MBAFF ? 1 : 9;
- if(!MB_MBAFF){
- *(uint64_t*)(h->top_borders[0][s->mb_x]+ 0)= *(uint64_t*)(src_y + 15*linesize);
- *(uint64_t*)(h->top_borders[0][s->mb_x]+ 8)= *(uint64_t*)(src_y +8+15*linesize);
- if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
- *(uint64_t*)(h->top_borders[0][s->mb_x]+16)= *(uint64_t*)(src_cb+7*uvlinesize);
- *(uint64_t*)(h->top_borders[0][s->mb_x]+24)= *(uint64_t*)(src_cr+7*uvlinesize);
- }
- }
- }else{
- if(!MB_MBAFF){
- h->left_border[0]= h->top_borders[0][s->mb_x][15];
- if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
- h->left_border[34 ]= h->top_borders[0][s->mb_x][16+7 ];
- h->left_border[34+18]= h->top_borders[0][s->mb_x][16+8+7];
- }
- skiplast= 1;
- }
- offset =
- uvoffset=
- top_idx = MB_MBAFF ? 0 : 1;
- }
- step= MB_MBAFF ? 2 : 1;
- }
+ /* 277 - 337 */
+ { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
+ { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
+ { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
+ { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
+ { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
+ { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
+ { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
+ { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
+ { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
+ { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
+ { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
+ { -2, 69 }, { -2, 59 }, { 6, 70 }, { 10, 44 },
+ { 9, 31 }, { 12, 43 }, { 3, 53 }, { 14, 34 },
+ { 10, 38 }, { -3, 52 }, { 13, 40 }, { 17, 32 },
+ { 7, 44 }, { 7, 38 }, { 13, 50 }, { 10, 57 },
+ { 26, 43 },
- // There are two lines saved, the line above the the top macroblock of a pair,
- // and the line above the bottom macroblock
- h->left_border[offset]= h->top_borders[top_idx][s->mb_x][15];
- for(i=1; i<17 - skiplast; i++){
- h->left_border[offset+i*step]= src_y[15+i* linesize];
- }
+ /* 338 - 398 */
+ { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
+ { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
+ { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
+ { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
+ { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
+ { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
+ { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
+ { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
+ { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
+ { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
+ { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
+ { 8, 60 }, { 6, 63 }, { 17, 65 }, { 21, 24 },
+ { 23, 20 }, { 26, 23 }, { 27, 32 }, { 28, 23 },
+ { 28, 24 }, { 23, 40 }, { 24, 32 }, { 28, 29 },
+ { 23, 42 }, { 19, 57 }, { 22, 53 }, { 22, 61 },
+ { 11, 86 },
- *(uint64_t*)(h->top_borders[top_idx][s->mb_x]+0)= *(uint64_t*)(src_y + 16*linesize);
- *(uint64_t*)(h->top_borders[top_idx][s->mb_x]+8)= *(uint64_t*)(src_y +8+16*linesize);
+ /* 399 - 435 */
+ { 12, 40 }, { 11, 51 }, { 14, 59 },
+ { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 },
+ { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 },
+ { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 },
+ { -16, 66 }, { -22, 65 }, { -20, 63 }, { 9, -2 },
+ { 26, -9 }, { 33, -9 }, { 39, -7 }, { 41, -2 },
+ { 45, 3 }, { 49, 9 }, { 45, 27 }, { 36, 59 },
+ { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 },
+ { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 },
+ { -8, 66 }, { -8, 76 },
- if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
- h->left_border[uvoffset+34 ]= h->top_borders[top_idx][s->mb_x][16+7];
- h->left_border[uvoffset+34+18]= h->top_borders[top_idx][s->mb_x][24+7];
- for(i=1; i<9 - skiplast; i++){
- h->left_border[uvoffset+34 +i*step]= src_cb[7+i*uvlinesize];
- h->left_border[uvoffset+34+18+i*step]= src_cr[7+i*uvlinesize];
- }
- *(uint64_t*)(h->top_borders[top_idx][s->mb_x]+16)= *(uint64_t*)(src_cb+8*uvlinesize);
- *(uint64_t*)(h->top_borders[top_idx][s->mb_x]+24)= *(uint64_t*)(src_cr+8*uvlinesize);
- }
-}
+ /* 436 - 459 */
+ { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
+ { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
+ { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
+ { -14, 66 }, { 0, 59 }, { 2, 59 }, { 21, -13 },
+ { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 },
+ { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 },
+ },
-static inline void xchg_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg, int simple){
- MpegEncContext * const s = &h->s;
- int temp8, i;
- uint64_t temp64;
- int deblock_left;
- int deblock_top;
- int mb_xy;
- int step = 1;
- int offset = 1;
- int uvoffset= 1;
- int top_idx = 1;
+ /* i_cabac_init_idc == 1 */
+ {
+ /* 0 - 10 */
+ { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
+ { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
+ { -6, 53 }, { -1, 54 }, { 7, 51 },
- if(!simple && FRAME_MBAFF){
- if(s->mb_y&1){
- offset = MB_MBAFF ? 1 : 17;
- uvoffset= MB_MBAFF ? 1 : 9;
- }else{
- offset =
- uvoffset=
- top_idx = MB_MBAFF ? 0 : 1;
- }
- step= MB_MBAFF ? 2 : 1;
- }
+ /* 11 - 23 */
+ { 22, 25 }, { 34, 0 }, { 16, 0 }, { -2, 9 },
+ { 4, 41 }, { -29, 118 }, { 2, 65 }, { -6, 71 },
+ { -13, 79 }, { 5, 52 }, { 9, 50 }, { -3, 70 },
+ { 10, 54 },
- if(h->deblocking_filter == 2) {
- mb_xy = h->mb_xy;
- deblock_left = h->slice_table[mb_xy] == h->slice_table[mb_xy - 1];
- deblock_top = h->slice_table[mb_xy] == h->slice_table[h->top_mb_xy];
- } else {
- deblock_left = (s->mb_x > 0);
- deblock_top = (s->mb_y > !!MB_FIELD);
- }
+ /* 24 - 39 */
+ { 26, 34 }, { 19, 22 }, { 40, 0 }, { 57, 2 },
+ { 41, 36 }, { 26, 69 }, { -45, 127 }, { -15, 101 },
+ { -4, 76 }, { -6, 71 }, { -13, 79 }, { 5, 52 },
+ { 6, 69 }, { -13, 90 }, { 0, 52 }, { 8, 43 },
- src_y -= linesize + 1;
- src_cb -= uvlinesize + 1;
- src_cr -= uvlinesize + 1;
+ /* 40 - 53 */
+ { -2, 69 },{ -5, 82 },{ -10, 96 },{ 2, 59 },
+ { 2, 75 },{ -3, 87 },{ -3, 100 },{ 1, 56 },
+ { -3, 74 },{ -6, 85 },{ 0, 59 },{ -3, 81 },
+ { -7, 86 },{ -5, 95 },
-#define XCHG(a,b,t,xchg)\
-t= a;\
-if(xchg)\
- a= b;\
-b= t;
+ /* 54 - 59 */
+ { -1, 66 },{ -1, 77 },{ 1, 70 },{ -2, 86 },
+ { -5, 72 },{ 0, 61 },
- if(deblock_left){
- for(i = !deblock_top; i<16; i++){
- XCHG(h->left_border[offset+i*step], src_y [i* linesize], temp8, xchg);
- }
- XCHG(h->left_border[offset+i*step], src_y [i* linesize], temp8, 1);
- }
+ /* 60 - 69 */
+ { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
+ { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
+ { 13, 41 }, { 3, 62 },
- if(deblock_top){
- XCHG(*(uint64_t*)(h->top_borders[top_idx][s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg);
- XCHG(*(uint64_t*)(h->top_borders[top_idx][s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1);
- if(s->mb_x+1 < s->mb_width){
- XCHG(*(uint64_t*)(h->top_borders[top_idx][s->mb_x+1]), *(uint64_t*)(src_y +17), temp64, 1);
- }
- }
+ /* 70 - 104 */
+ { 13, 15 }, { 7, 51 }, { 2, 80 }, { -39, 127 },
+ { -18, 91 }, { -17, 96 }, { -26, 81 }, { -35, 98 },
+ { -24, 102 }, { -23, 97 }, { -27, 119 }, { -24, 99 },
+ { -21, 110 }, { -18, 102 }, { -36, 127 }, { 0, 80 },
+ { -5, 89 }, { -7, 94 }, { -4, 92 }, { 0, 39 },
+ { 0, 65 }, { -15, 84 }, { -35, 127 }, { -2, 73 },
+ { -12, 104 }, { -9, 91 }, { -31, 127 }, { 3, 55 },
+ { 7, 56 }, { 7, 55 }, { 8, 61 }, { -3, 53 },
+ { 0, 68 }, { -7, 74 }, { -9, 88 },
- if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
- if(deblock_left){
- for(i = !deblock_top; i<8; i++){
- XCHG(h->left_border[uvoffset+34 +i*step], src_cb[i*uvlinesize], temp8, xchg);
- XCHG(h->left_border[uvoffset+34+18+i*step], src_cr[i*uvlinesize], temp8, xchg);
- }
- XCHG(h->left_border[uvoffset+34 +i*step], src_cb[i*uvlinesize], temp8, 1);
- XCHG(h->left_border[uvoffset+34+18+i*step], src_cr[i*uvlinesize], temp8, 1);
- }
- if(deblock_top){
- XCHG(*(uint64_t*)(h->top_borders[top_idx][s->mb_x]+16), *(uint64_t*)(src_cb+1), temp64, 1);
- XCHG(*(uint64_t*)(h->top_borders[top_idx][s->mb_x]+24), *(uint64_t*)(src_cr+1), temp64, 1);
- }
- }
-}
+ /* 105 -> 165 */
+ { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
+ { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
+ { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
+ { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
+ { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
+ { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
+ { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
+ { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
+ { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
+ { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
+ { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
+ { -4, 71 }, { 0, 58 }, { 7, 61 }, { 9, 41 },
+ { 18, 25 }, { 9, 32 }, { 5, 43 }, { 9, 47 },
+ { 0, 44 }, { 0, 51 }, { 2, 46 }, { 19, 38 },
+ { -4, 66 }, { 15, 38 }, { 12, 42 }, { 9, 34 },
+ { 0, 89 },
-static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
- MpegEncContext * const s = &h->s;
- const int mb_x= s->mb_x;
- const int mb_y= s->mb_y;
- const int mb_xy= h->mb_xy;
- const int mb_type= s->current_picture.mb_type[mb_xy];
- uint8_t *dest_y, *dest_cb, *dest_cr;
- int linesize, uvlinesize /*dct_offset*/;
- int i;
- int *block_offset = &h->block_offset[0];
- const int transform_bypass = !simple && (s->qscale == 0 && h->sps.transform_bypass);
- /* is_h264 should always be true if SVQ3 is disabled. */
- const int is_h264 = !CONFIG_SVQ3_DECODER || simple || s->codec_id == CODEC_ID_H264;
- void (*idct_add)(uint8_t *dst, DCTELEM *block, int stride);
- void (*idct_dc_add)(uint8_t *dst, DCTELEM *block, int stride);
+ /* 166 - 226 */
+ { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
+ { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
+ { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
+ { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
+ { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
+ { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
+ { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
+ { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
+ { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
+ { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
+ { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
+ { 0, 75 }, { 2, 72 }, { 8, 77 }, { 14, 35 },
+ { 18, 31 }, { 17, 35 }, { 21, 30 }, { 17, 45 },
+ { 20, 42 }, { 18, 45 }, { 27, 26 }, { 16, 54 },
+ { 7, 66 }, { 16, 56 }, { 11, 73 }, { 10, 67 },
+ { -10, 116 },
- dest_y = s->current_picture.data[0] + (mb_x + mb_y * s->linesize ) * 16;
- dest_cb = s->current_picture.data[1] + (mb_x + mb_y * s->uvlinesize) * 8;
- dest_cr = s->current_picture.data[2] + (mb_x + mb_y * s->uvlinesize) * 8;
+ /* 227 - 275 */
+ { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 },
+ { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 },
+ { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 },
+ { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 },
+ { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },
+ { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 },
+ { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 },
+ { -5, 74 }, { -9, 86 }, { 2, 66 }, { -9, 34 },
+ { 1, 32 }, { 11, 31 }, { 5, 52 }, { -2, 55 },
+ { -2, 67 }, { 0, 73 }, { -8, 89 }, { 3, 52 },
+ { 7, 4 }, { 10, 8 }, { 17, 8 }, { 16, 19 },
+ { 3, 37 }, { -1, 61 }, { -5, 73 }, { -1, 70 },
+ { -4, 78 },
- s->dsp.prefetch(dest_y + (s->mb_x&3)*4*s->linesize + 64, s->linesize, 4);
- s->dsp.prefetch(dest_cb + (s->mb_x&7)*s->uvlinesize + 64, dest_cr - dest_cb, 2);
+ /* 276 a bit special (not used, bypass is used instead) */
+ { 0, 0 },
- if (!simple && MB_FIELD) {
- linesize = h->mb_linesize = s->linesize * 2;
- uvlinesize = h->mb_uvlinesize = s->uvlinesize * 2;
- block_offset = &h->block_offset[24];
- if(mb_y&1){ //FIXME move out of this function?
- dest_y -= s->linesize*15;
- dest_cb-= s->uvlinesize*7;
- dest_cr-= s->uvlinesize*7;
- }
- if(FRAME_MBAFF) {
- int list;
- for(list=0; list<h->list_count; list++){
- if(!USES_LIST(mb_type, list))
- continue;
- if(IS_16X16(mb_type)){
- int8_t *ref = &h->ref_cache[list][scan8[0]];
- fill_rectangle(ref, 4, 4, 8, (16+*ref)^(s->mb_y&1), 1);
- }else{
- for(i=0; i<16; i+=4){
- int ref = h->ref_cache[list][scan8[i]];
- if(ref >= 0)
- fill_rectangle(&h->ref_cache[list][scan8[i]], 2, 2, 8, (16+ref)^(s->mb_y&1), 1);
- }
- }
- }
- }
- } else {
- linesize = h->mb_linesize = s->linesize;
- uvlinesize = h->mb_uvlinesize = s->uvlinesize;
-// dct_offset = s->linesize * 16;
- }
+ /* 277 - 337 */
+ { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
+ { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
+ { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
+ { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
+ { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
+ { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
+ { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
+ { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
+ { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
+ { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
+ { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
+ { -1, 70 }, { -9, 72 }, { 14, 60 }, { 16, 37 },
+ { 0, 47 }, { 18, 35 }, { 11, 37 }, { 12, 41 },
+ { 10, 41 }, { 2, 48 }, { 12, 41 }, { 13, 41 },
+ { 0, 59 }, { 3, 50 }, { 19, 40 }, { 3, 66 },
+ { 18, 50 },
- if (!simple && IS_INTRA_PCM(mb_type)) {
- for (i=0; i<16; i++) {
- memcpy(dest_y + i* linesize, h->mb + i*8, 16);
- }
- for (i=0; i<8; i++) {
- memcpy(dest_cb+ i*uvlinesize, h->mb + 128 + i*4, 8);
- memcpy(dest_cr+ i*uvlinesize, h->mb + 160 + i*4, 8);
- }
- } else {
- if(IS_INTRA(mb_type)){
- if(h->deblocking_filter)
- xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 1, simple);
+ /* 338 - 398 */
+ { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
+ { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
+ { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
+ { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
+ { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
+ { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
+ { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
+ { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
+ { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
+ { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
+ { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
+ { 12, 48 }, { 11, 49 }, { 26, 45 }, { 22, 22 },
+ { 23, 22 }, { 27, 21 }, { 33, 20 }, { 26, 28 },
+ { 30, 24 }, { 27, 34 }, { 18, 42 }, { 25, 39 },
+ { 18, 50 }, { 12, 70 }, { 21, 54 }, { 14, 71 },
+ { 11, 83 },
- if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
- h->hpc.pred8x8[ h->chroma_pred_mode ](dest_cb, uvlinesize);
- h->hpc.pred8x8[ h->chroma_pred_mode ](dest_cr, uvlinesize);
- }
+ /* 399 - 435 */
+ { 25, 32 }, { 21, 49 }, { 21, 54 },
+ { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
+ { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
+ { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
+ { -14, 66 }, { 0, 59 }, { 2, 59 }, { 17, -10 },
+ { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
+ { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
+ { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 },
+ { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 },
+ { -4, 67 }, { -7, 82 },
- if(IS_INTRA4x4(mb_type)){
- if(simple || !s->encoding){
- if(IS_8x8DCT(mb_type)){
- if(transform_bypass){
- idct_dc_add =
- idct_add = s->dsp.add_pixels8;
- }else{
- idct_dc_add = s->dsp.h264_idct8_dc_add;
- idct_add = s->dsp.h264_idct8_add;
- }
- for(i=0; i<16; i+=4){
- uint8_t * const ptr= dest_y + block_offset[i];
- const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
- if(transform_bypass && h->sps.profile_idc==244 && dir<=1){
- h->hpc.pred8x8l_add[dir](ptr, h->mb + i*16, linesize);
- }else{
- const int nnz = h->non_zero_count_cache[ scan8[i] ];
- h->hpc.pred8x8l[ dir ](ptr, (h->topleft_samples_available<<i)&0x8000,
- (h->topright_samples_available<<i)&0x4000, linesize);
- if(nnz){
- if(nnz == 1 && h->mb[i*16])
- idct_dc_add(ptr, h->mb + i*16, linesize);
- else
- idct_add (ptr, h->mb + i*16, linesize);
- }
- }
- }
- }else{
- if(transform_bypass){
- idct_dc_add =
- idct_add = s->dsp.add_pixels4;
- }else{
- idct_dc_add = s->dsp.h264_idct_dc_add;
- idct_add = s->dsp.h264_idct_add;
- }
- for(i=0; i<16; i++){
- uint8_t * const ptr= dest_y + block_offset[i];
- const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
+ /* 436 - 459 */
+ { -3, 81 }, { -3, 76 }, { -7, 72 }, { -6, 78 },
+ { -12, 72 }, { -14, 68 }, { -3, 70 }, { -6, 76 },
+ { -5, 66 }, { -5, 62 }, { 0, 57 }, { -4, 61 },
+ { -9, 60 }, { 1, 54 }, { 2, 58 }, { 17, -10 },
+ { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
+ { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
+ },
- if(transform_bypass && h->sps.profile_idc==244 && dir<=1){
- h->hpc.pred4x4_add[dir](ptr, h->mb + i*16, linesize);
- }else{
- uint8_t *topright;
- int nnz, tr;
- if(dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED){
- const int topright_avail= (h->topright_samples_available<<i)&0x8000;
- assert(mb_y || linesize <= block_offset[i]);
- if(!topright_avail){
- tr= ptr[3 - linesize]*0x01010101;
- topright= (uint8_t*) &tr;
- }else
- topright= ptr + 4 - linesize;
- }else
- topright= NULL;
+ /* i_cabac_init_idc == 2 */
+ {
+ /* 0 - 10 */
+ { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
+ { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
+ { -6, 53 }, { -1, 54 }, { 7, 51 },
- h->hpc.pred4x4[ dir ](ptr, topright, linesize);
- nnz = h->non_zero_count_cache[ scan8[i] ];
- if(nnz){
- if(is_h264){
- if(nnz == 1 && h->mb[i*16])
- idct_dc_add(ptr, h->mb + i*16, linesize);
- else
- idct_add (ptr, h->mb + i*16, linesize);
- }else
- svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, 0);
- }
- }
- }
- }
- }
- }else{
- h->hpc.pred16x16[ h->intra16x16_pred_mode ](dest_y , linesize);
- if(is_h264){
- if(!transform_bypass)
- h264_luma_dc_dequant_idct_c(h->mb, s->qscale, h->dequant4_coeff[0][s->qscale][0]);
- }else
- svq3_luma_dc_dequant_idct_c(h->mb, s->qscale);
- }
- if(h->deblocking_filter)
- xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0, simple);
- }else if(is_h264){
- hl_motion(h, dest_y, dest_cb, dest_cr,
- s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
- s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
- s->dsp.weight_h264_pixels_tab, s->dsp.biweight_h264_pixels_tab);
- }
+ /* 11 - 23 */
+ { 29, 16 }, { 25, 0 }, { 14, 0 }, { -10, 51 },
+ { -3, 62 }, { -27, 99 }, { 26, 16 }, { -4, 85 },
+ { -24, 102 }, { 5, 57 }, { 6, 57 }, { -17, 73 },
+ { 14, 57 },
+ /* 24 - 39 */
+ { 20, 40 }, { 20, 10 }, { 29, 0 }, { 54, 0 },
+ { 37, 42 }, { 12, 97 }, { -32, 127 }, { -22, 117 },
+ { -2, 74 }, { -4, 85 }, { -24, 102 }, { 5, 57 },
+ { -6, 93 }, { -14, 88 }, { -6, 44 }, { 4, 55 },
- if(!IS_INTRA4x4(mb_type)){
- if(is_h264){
- if(IS_INTRA16x16(mb_type)){
- if(transform_bypass){
- if(h->sps.profile_idc==244 && (h->intra16x16_pred_mode==VERT_PRED8x8 || h->intra16x16_pred_mode==HOR_PRED8x8)){
- h->hpc.pred16x16_add[h->intra16x16_pred_mode](dest_y, block_offset, h->mb, linesize);
- }else{
- for(i=0; i<16; i++){
- if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16])
- s->dsp.add_pixels4(dest_y + block_offset[i], h->mb + i*16, linesize);
- }
- }
- }else{
- s->dsp.h264_idct_add16intra(dest_y, block_offset, h->mb, linesize, h->non_zero_count_cache);
- }
- }else if(h->cbp&15){
- if(transform_bypass){
- const int di = IS_8x8DCT(mb_type) ? 4 : 1;
- idct_add= IS_8x8DCT(mb_type) ? s->dsp.add_pixels8 : s->dsp.add_pixels4;
- for(i=0; i<16; i+=di){
- if(h->non_zero_count_cache[ scan8[i] ]){
- idct_add(dest_y + block_offset[i], h->mb + i*16, linesize);
- }
- }
- }else{
- if(IS_8x8DCT(mb_type)){
- s->dsp.h264_idct8_add4(dest_y, block_offset, h->mb, linesize, h->non_zero_count_cache);
- }else{
- s->dsp.h264_idct_add16(dest_y, block_offset, h->mb, linesize, h->non_zero_count_cache);
- }
- }
- }
- }else{
- for(i=0; i<16; i++){
- if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ //FIXME benchmark weird rule, & below
- uint8_t * const ptr= dest_y + block_offset[i];
- svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, IS_INTRA(mb_type) ? 1 : 0);
- }
- }
- }
- }
+ /* 40 - 53 */
+ { -11, 89 },{ -15, 103 },{ -21, 116 },{ 19, 57 },
+ { 20, 58 },{ 4, 84 },{ 6, 96 },{ 1, 63 },
+ { -5, 85 },{ -13, 106 },{ 5, 63 },{ 6, 75 },
+ { -3, 90 },{ -1, 101 },
- if((simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)) && (h->cbp&0x30)){
- uint8_t *dest[2] = {dest_cb, dest_cr};
- if(transform_bypass){
- if(IS_INTRA(mb_type) && h->sps.profile_idc==244 && (h->chroma_pred_mode==VERT_PRED8x8 || h->chroma_pred_mode==HOR_PRED8x8)){
- h->hpc.pred8x8_add[h->chroma_pred_mode](dest[0], block_offset + 16, h->mb + 16*16, uvlinesize);
- h->hpc.pred8x8_add[h->chroma_pred_mode](dest[1], block_offset + 20, h->mb + 20*16, uvlinesize);
- }else{
- idct_add = s->dsp.add_pixels4;
- for(i=16; i<16+8; i++){
- if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16])
- idct_add (dest[(i&4)>>2] + block_offset[i], h->mb + i*16, uvlinesize);
- }
- }
- }else{
- chroma_dc_dequant_idct_c(h->mb + 16*16, h->chroma_qp[0], h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
- chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->chroma_qp[1], h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
- if(is_h264){
- idct_add = s->dsp.h264_idct_add;
- idct_dc_add = s->dsp.h264_idct_dc_add;
- for(i=16; i<16+8; i++){
- if(h->non_zero_count_cache[ scan8[i] ])
- idct_add (dest[(i&4)>>2] + block_offset[i], h->mb + i*16, uvlinesize);
- else if(h->mb[i*16])
- idct_dc_add(dest[(i&4)>>2] + block_offset[i], h->mb + i*16, uvlinesize);
- }
- }else{
- for(i=16; i<16+8; i++){
- if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
- uint8_t * const ptr= dest[(i&4)>>2] + block_offset[i];
- svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, ff_h264_chroma_qp[s->qscale + 12] - 12, 2);
- }
- }
- }
- }
- }
- }
- if(h->cbp || IS_INTRA(mb_type))
- s->dsp.clear_blocks(h->mb);
+ /* 54 - 59 */
+ { 3, 55 },{ -4, 79 },{ -2, 75 },{ -12, 97 },
+ { -7, 50 },{ 1, 60 },
- if(h->deblocking_filter) {
- backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, simple);
- fill_caches(h, mb_type, 1); //FIXME don't fill stuff which isn't used by filter_mb
- h->chroma_qp[0] = get_chroma_qp(h, 0, s->current_picture.qscale_table[mb_xy]);
- h->chroma_qp[1] = get_chroma_qp(h, 1, s->current_picture.qscale_table[mb_xy]);
- if (!simple && FRAME_MBAFF) {
- ff_h264_filter_mb (h, mb_x, mb_y, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
- } else {
- ff_h264_filter_mb_fast(h, mb_x, mb_y, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
- }
- }
-}
+ /* 60 - 69 */
+ { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
+ { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
+ { 13, 41 }, { 3, 62 },
-/**
- * Process a macroblock; this case avoids checks for expensive uncommon cases.
- */
-static void hl_decode_mb_simple(H264Context *h){
- hl_decode_mb_internal(h, 1);
-}
+ /* 70 - 104 */
+ { 7, 34 }, { -9, 88 }, { -20, 127 }, { -36, 127 },
+ { -17, 91 }, { -14, 95 }, { -25, 84 }, { -25, 86 },
+ { -12, 89 }, { -17, 91 }, { -31, 127 }, { -14, 76 },
+ { -18, 103 }, { -13, 90 }, { -37, 127 }, { 11, 80 },
+ { 5, 76 }, { 2, 84 }, { 5, 78 }, { -6, 55 },
+ { 4, 61 }, { -14, 83 }, { -37, 127 }, { -5, 79 },
+ { -11, 104 }, { -11, 91 }, { -30, 127 }, { 0, 65 },
+ { -2, 79 }, { 0, 72 }, { -4, 92 }, { -6, 56 },
+ { 3, 68 }, { -8, 71 }, { -13, 98 },
-/**
- * Process a macroblock; this handles edge cases, such as interlacing.
- */
-static void av_noinline hl_decode_mb_complex(H264Context *h){
- hl_decode_mb_internal(h, 0);
-}
+ /* 105 -> 165 */
+ { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
+ { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
+ { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
+ { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
+ { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
+ { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
+ { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
+ { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
+ { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
+ { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
+ { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
+ { 3, 65 }, { -7, 69 }, { 8, 77 }, { -10, 66 },
+ { 3, 62 }, { -3, 68 }, { -20, 81 }, { 0, 30 },
+ { 1, 7 }, { -3, 23 }, { -21, 74 }, { 16, 66 },
+ { -23, 124 }, { 17, 37 }, { 44, -18 }, { 50, -34 },
+ { -22, 127 },
-void ff_h264_hl_decode_mb(H264Context *h){
- MpegEncContext * const s = &h->s;
- const int mb_xy= h->mb_xy;
- const int mb_type= s->current_picture.mb_type[mb_xy];
- int is_complex = CONFIG_SMALL || h->is_complex || IS_INTRA_PCM(mb_type) || s->qscale == 0;
+ /* 166 - 226 */
+ { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
+ { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
+ { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
+ { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
+ { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
+ { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
+ { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
+ { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
+ { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
+ { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
+ { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
+ { 20, 34 }, { 19, 31 }, { 27, 44 }, { 19, 16 },
+ { 15, 36 }, { 15, 36 }, { 21, 28 }, { 25, 21 },
+ { 30, 20 }, { 31, 12 }, { 27, 16 }, { 24, 42 },
+ { 0, 93 }, { 14, 56 }, { 15, 57 }, { 26, 38 },
+ { -24, 127 },
- if (is_complex)
- hl_decode_mb_complex(h);
- else hl_decode_mb_simple(h);
-}
+ /* 227 - 275 */
+ { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 },
+ { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 },
+ { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 },
+ { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 },
+ { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 },
+ { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 },
+ { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 },
+ { -12, 92 }, { -18, 108 }, { -4, 79 }, { -22, 69 },
+ { -16, 75 }, { -2, 58 }, { 1, 58 }, { -13, 78 },
+ { -9, 83 }, { -4, 81 }, { -13, 99 }, { -13, 81 },
+ { -6, 38 }, { -13, 62 }, { -6, 58 }, { -2, 59 },
+ { -16, 73 }, { -10, 76 }, { -13, 86 }, { -9, 83 },
+ { -10, 87 },
-static int pred_weight_table(H264Context *h){
- MpegEncContext * const s = &h->s;
- int list, i;
- int luma_def, chroma_def;
+ /* 276 a bit special (not used, bypass is used instead) */
+ { 0, 0 },
- h->use_weight= 0;
- h->use_weight_chroma= 0;
- h->luma_log2_weight_denom= get_ue_golomb(&s->gb);
- h->chroma_log2_weight_denom= get_ue_golomb(&s->gb);
- luma_def = 1<<h->luma_log2_weight_denom;
- chroma_def = 1<<h->chroma_log2_weight_denom;
+ /* 277 - 337 */
+ { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
+ { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
+ { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
+ { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
+ { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
+ { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
+ { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
+ { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
+ { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
+ { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
+ { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
+ { -2, 76 }, { -18, 86 }, { 12, 70 }, { 5, 64 },
+ { -12, 70 }, { 11, 55 }, { 5, 56 }, { 0, 69 },
+ { 2, 65 }, { -6, 74 }, { 5, 54 }, { 7, 54 },
+ { -6, 76 }, { -11, 82 }, { -2, 77 }, { -2, 77 },
+ { 25, 42 },
- for(list=0; list<2; list++){
- h->luma_weight_flag[list] = 0;
- h->chroma_weight_flag[list] = 0;
- for(i=0; i<h->ref_count[list]; i++){
- int luma_weight_flag, chroma_weight_flag;
+ /* 338 - 398 */
+ { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
+ { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
+ { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
+ { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
+ { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
+ { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
+ { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
+ { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
+ { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
+ { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
+ { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
+ { 18, 31 }, { 19, 26 }, { 36, 24 }, { 24, 23 },
+ { 27, 16 }, { 24, 30 }, { 31, 29 }, { 22, 41 },
+ { 22, 42 }, { 16, 60 }, { 15, 52 }, { 14, 60 },
+ { 3, 78 }, { -16, 123 }, { 21, 53 }, { 22, 56 },
+ { 25, 61 },
- luma_weight_flag= get_bits1(&s->gb);
- if(luma_weight_flag){
- h->luma_weight[list][i]= get_se_golomb(&s->gb);
- h->luma_offset[list][i]= get_se_golomb(&s->gb);
- if( h->luma_weight[list][i] != luma_def
- || h->luma_offset[list][i] != 0) {
- h->use_weight= 1;
- h->luma_weight_flag[list]= 1;
- }
- }else{
- h->luma_weight[list][i]= luma_def;
- h->luma_offset[list][i]= 0;
- }
+ /* 399 - 435 */
+ { 21, 33 }, { 19, 50 }, { 17, 61 },
+ { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
+ { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
+ { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
+ { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 },
+ { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
+ { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
+ { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 },
+ { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 },
+ { -6, 68 }, { -10, 79 },
- if(CHROMA){
- chroma_weight_flag= get_bits1(&s->gb);
- if(chroma_weight_flag){
- int j;
- for(j=0; j<2; j++){
- h->chroma_weight[list][i][j]= get_se_golomb(&s->gb);
- h->chroma_offset[list][i][j]= get_se_golomb(&s->gb);
- if( h->chroma_weight[list][i][j] != chroma_def
- || h->chroma_offset[list][i][j] != 0) {
- h->use_weight_chroma= 1;
- h->chroma_weight_flag[list]= 1;
- }
- }
- }else{
- int j;
- for(j=0; j<2; j++){
- h->chroma_weight[list][i][j]= chroma_def;
- h->chroma_offset[list][i][j]= 0;
- }
- }
- }
- }
- if(h->slice_type_nos != FF_B_TYPE) break;
+ /* 436 - 459 */
+ { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
+ { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
+ { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
+ { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 },
+ { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
+ { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
}
- h->use_weight= h->use_weight || h->use_weight_chroma;
- return 0;
-}
+};
-static void implicit_weight_table(H264Context *h){
+void ff_h264_init_cabac_states(H264Context *h) {
MpegEncContext * const s = &h->s;
- int ref0, ref1, i;
- int cur_poc = s->current_picture_ptr->poc;
-
- for (i = 0; i < 2; i++) {
- h->luma_weight_flag[i] = 0;
- h->chroma_weight_flag[i] = 0;
- }
-
- if( h->ref_count[0] == 1 && h->ref_count[1] == 1
- && h->ref_list[0][0].poc + h->ref_list[1][0].poc == 2*cur_poc){
- h->use_weight= 0;
- h->use_weight_chroma= 0;
- return;
- }
-
- h->use_weight= 2;
- h->use_weight_chroma= 2;
- h->luma_log2_weight_denom= 5;
- h->chroma_log2_weight_denom= 5;
-
- for(ref0=0; ref0 < h->ref_count[0]; ref0++){
- int poc0 = h->ref_list[0][ref0].poc;
- for(ref1=0; ref1 < h->ref_count[1]; ref1++){
- int poc1 = h->ref_list[1][ref1].poc;
- int td = av_clip(poc1 - poc0, -128, 127);
- if(td){
- int tb = av_clip(cur_poc - poc0, -128, 127);
- int tx = (16384 + (FFABS(td) >> 1)) / td;
- int dist_scale_factor = av_clip((tb*tx + 32) >> 6, -1024, 1023) >> 2;
- if(dist_scale_factor < -64 || dist_scale_factor > 128)
- h->implicit_weight[ref0][ref1] = 32;
- else
- h->implicit_weight[ref0][ref1] = 64 - dist_scale_factor;
- }else
- h->implicit_weight[ref0][ref1] = 32;
- }
- }
-}
-
-/**
- * instantaneous decoder refresh.
- */
-static void idr(H264Context *h){
- ff_h264_remove_all_refs(h);
- h->prev_frame_num= 0;
- h->prev_frame_num_offset= 0;
- h->prev_poc_msb=
- h->prev_poc_lsb= 0;
-}
-
-/* forget old pics after a seek */
-static void flush_dpb(AVCodecContext *avctx){
- H264Context *h= avctx->priv_data;
int i;
- for(i=0; i<MAX_DELAYED_PIC_COUNT; i++) {
- if(h->delayed_pic[i])
- h->delayed_pic[i]->reference= 0;
- h->delayed_pic[i]= NULL;
- }
- h->outputed_poc= INT_MIN;
- h->prev_interlaced_frame = 1;
- idr(h);
- if(h->s.current_picture_ptr)
- h->s.current_picture_ptr->reference= 0;
- h->s.first_field= 0;
- ff_h264_reset_sei(h);
- ff_mpeg_flush(avctx);
-}
-
-static int init_poc(H264Context *h){
- MpegEncContext * const s = &h->s;
- const int max_frame_num= 1<<h->sps.log2_max_frame_num;
- int field_poc[2];
- Picture *cur = s->current_picture_ptr;
-
- h->frame_num_offset= h->prev_frame_num_offset;
- if(h->frame_num < h->prev_frame_num)
- h->frame_num_offset += max_frame_num;
-
- if(h->sps.poc_type==0){
- const int max_poc_lsb= 1<<h->sps.log2_max_poc_lsb;
-
- if (h->poc_lsb < h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb >= max_poc_lsb/2)
- h->poc_msb = h->prev_poc_msb + max_poc_lsb;
- else if(h->poc_lsb > h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb < -max_poc_lsb/2)
- h->poc_msb = h->prev_poc_msb - max_poc_lsb;
- else
- h->poc_msb = h->prev_poc_msb;
-//printf("poc: %d %d\n", h->poc_msb, h->poc_lsb);
- field_poc[0] =
- field_poc[1] = h->poc_msb + h->poc_lsb;
- if(s->picture_structure == PICT_FRAME)
- field_poc[1] += h->delta_poc_bottom;
- }else if(h->sps.poc_type==1){
- int abs_frame_num, expected_delta_per_poc_cycle, expectedpoc;
- int i;
- if(h->sps.poc_cycle_length != 0)
- abs_frame_num = h->frame_num_offset + h->frame_num;
+ /* calculate pre-state */
+ for( i= 0; i < 460; i++ ) {
+ int pre;
+ if( h->slice_type_nos == FF_I_TYPE )
+ pre = av_clip( ((cabac_context_init_I[i][0] * s->qscale) >>4 ) + cabac_context_init_I[i][1], 1, 126 );
else
- abs_frame_num = 0;
-
- if(h->nal_ref_idc==0 && abs_frame_num > 0)
- abs_frame_num--;
-
- expected_delta_per_poc_cycle = 0;
- for(i=0; i < h->sps.poc_cycle_length; i++)
- expected_delta_per_poc_cycle += h->sps.offset_for_ref_frame[ i ]; //FIXME integrate during sps parse
-
- if(abs_frame_num > 0){
- int poc_cycle_cnt = (abs_frame_num - 1) / h->sps.poc_cycle_length;
- int frame_num_in_poc_cycle = (abs_frame_num - 1) % h->sps.poc_cycle_length;
-
- expectedpoc = poc_cycle_cnt * expected_delta_per_poc_cycle;
- for(i = 0; i <= frame_num_in_poc_cycle; i++)
- expectedpoc = expectedpoc + h->sps.offset_for_ref_frame[ i ];
- } else
- expectedpoc = 0;
-
- if(h->nal_ref_idc == 0)
- expectedpoc = expectedpoc + h->sps.offset_for_non_ref_pic;
-
- field_poc[0] = expectedpoc + h->delta_poc[0];
- field_poc[1] = field_poc[0] + h->sps.offset_for_top_to_bottom_field;
-
- if(s->picture_structure == PICT_FRAME)
- field_poc[1] += h->delta_poc[1];
- }else{
- int poc= 2*(h->frame_num_offset + h->frame_num);
-
- if(!h->nal_ref_idc)
- poc--;
-
- field_poc[0]= poc;
- field_poc[1]= poc;
- }
-
- if(s->picture_structure != PICT_BOTTOM_FIELD)
- s->current_picture_ptr->field_poc[0]= field_poc[0];
- if(s->picture_structure != PICT_TOP_FIELD)
- s->current_picture_ptr->field_poc[1]= field_poc[1];
- cur->poc= FFMIN(cur->field_poc[0], cur->field_poc[1]);
-
- return 0;
-}
-
-
-/**
- * initialize scan tables
- */
-static void init_scan_tables(H264Context *h){
- MpegEncContext * const s = &h->s;
- int i;
- if(s->dsp.h264_idct_add == ff_h264_idct_add_c){ //FIXME little ugly
- memcpy(h->zigzag_scan, zigzag_scan, 16*sizeof(uint8_t));
- memcpy(h-> field_scan, field_scan, 16*sizeof(uint8_t));
- }else{
- for(i=0; i<16; i++){
-#define T(x) (x>>2) | ((x<<2) & 0xF)
- h->zigzag_scan[i] = T(zigzag_scan[i]);
- h-> field_scan[i] = T( field_scan[i]);
-#undef T
- }
- }
- if(s->dsp.h264_idct8_add == ff_h264_idct8_add_c){
- memcpy(h->zigzag_scan8x8, ff_zigzag_direct, 64*sizeof(uint8_t));
- memcpy(h->zigzag_scan8x8_cavlc, zigzag_scan8x8_cavlc, 64*sizeof(uint8_t));
- memcpy(h->field_scan8x8, field_scan8x8, 64*sizeof(uint8_t));
- memcpy(h->field_scan8x8_cavlc, field_scan8x8_cavlc, 64*sizeof(uint8_t));
- }else{
- for(i=0; i<64; i++){
-#define T(x) (x>>3) | ((x&7)<<3)
- h->zigzag_scan8x8[i] = T(ff_zigzag_direct[i]);
- h->zigzag_scan8x8_cavlc[i] = T(zigzag_scan8x8_cavlc[i]);
- h->field_scan8x8[i] = T(field_scan8x8[i]);
- h->field_scan8x8_cavlc[i] = T(field_scan8x8_cavlc[i]);
-#undef T
- }
- }
- if(h->sps.transform_bypass){ //FIXME same ugly
- h->zigzag_scan_q0 = zigzag_scan;
- h->zigzag_scan8x8_q0 = ff_zigzag_direct;
- h->zigzag_scan8x8_cavlc_q0 = zigzag_scan8x8_cavlc;
- h->field_scan_q0 = field_scan;
- h->field_scan8x8_q0 = field_scan8x8;
- h->field_scan8x8_cavlc_q0 = field_scan8x8_cavlc;
- }else{
- h->zigzag_scan_q0 = h->zigzag_scan;
- h->zigzag_scan8x8_q0 = h->zigzag_scan8x8;
- h->zigzag_scan8x8_cavlc_q0 = h->zigzag_scan8x8_cavlc;
- h->field_scan_q0 = h->field_scan;
- h->field_scan8x8_q0 = h->field_scan8x8;
- h->field_scan8x8_cavlc_q0 = h->field_scan8x8_cavlc;
- }
-}
-
-static void field_end(H264Context *h){
- MpegEncContext * const s = &h->s;
- AVCodecContext * const avctx= s->avctx;
- s->mb_y= 0;
-
- s->current_picture_ptr->qscale_type= FF_QSCALE_TYPE_H264;
- s->current_picture_ptr->pict_type= s->pict_type;
-
- if (CONFIG_H264_VDPAU_DECODER && s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
- ff_vdpau_h264_set_reference_frames(s);
-
- if(!s->dropable) {
- ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);
- h->prev_poc_msb= h->poc_msb;
- h->prev_poc_lsb= h->poc_lsb;
- }
- h->prev_frame_num_offset= h->frame_num_offset;
- h->prev_frame_num= h->frame_num;
-
- if (avctx->hwaccel) {
- if (avctx->hwaccel->end_frame(avctx) < 0)
- av_log(avctx, AV_LOG_ERROR, "hardware accelerator failed to decode picture\n");
- }
-
- if (CONFIG_H264_VDPAU_DECODER && s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
- ff_vdpau_h264_picture_complete(s);
-
- /*
- * FIXME: Error handling code does not seem to support interlaced
- * when slices span multiple rows
- * The ff_er_add_slice calls don't work right for bottom
- * fields; they cause massive erroneous error concealing
- * Error marking covers both fields (top and bottom).
- * This causes a mismatched s->error_count
- * and a bad error table. Further, the error count goes to
- * INT_MAX when called for bottom field, because mb_y is
- * past end by one (callers fault) and resync_mb_y != 0
- * causes problems for the first MB line, too.
- */
- if (!FIELD_PICTURE)
- ff_er_frame_end(s);
-
- MPV_frame_end(s);
-
- h->current_slice=0;
-}
-
-/**
- * Replicates H264 "master" context to thread contexts.
- */
-static void clone_slice(H264Context *dst, H264Context *src)
-{
- memcpy(dst->block_offset, src->block_offset, sizeof(dst->block_offset));
- dst->s.current_picture_ptr = src->s.current_picture_ptr;
- dst->s.current_picture = src->s.current_picture;
- dst->s.linesize = src->s.linesize;
- dst->s.uvlinesize = src->s.uvlinesize;
- dst->s.first_field = src->s.first_field;
-
- dst->prev_poc_msb = src->prev_poc_msb;
- dst->prev_poc_lsb = src->prev_poc_lsb;
- dst->prev_frame_num_offset = src->prev_frame_num_offset;
- dst->prev_frame_num = src->prev_frame_num;
- dst->short_ref_count = src->short_ref_count;
-
- memcpy(dst->short_ref, src->short_ref, sizeof(dst->short_ref));
- memcpy(dst->long_ref, src->long_ref, sizeof(dst->long_ref));
- memcpy(dst->default_ref_list, src->default_ref_list, sizeof(dst->default_ref_list));
- memcpy(dst->ref_list, src->ref_list, sizeof(dst->ref_list));
-
- memcpy(dst->dequant4_coeff, src->dequant4_coeff, sizeof(src->dequant4_coeff));
- memcpy(dst->dequant8_coeff, src->dequant8_coeff, sizeof(src->dequant8_coeff));
-}
-
-/**
- * decodes a slice header.
- * This will also call MPV_common_init() and frame_start() as needed.
- *
- * @param h h264context
- * @param h0 h264 master context (differs from 'h' when doing sliced based parallel decoding)
- *
- * @return 0 if okay, <0 if an error occurred, 1 if decoding must not be multithreaded
- */
-static int decode_slice_header(H264Context *h, H264Context *h0){
- MpegEncContext * const s = &h->s;
- MpegEncContext * const s0 = &h0->s;
- unsigned int first_mb_in_slice;
- unsigned int pps_id;
- int num_ref_idx_active_override_flag;
- unsigned int slice_type, tmp, i, j;
- int default_ref_list_done = 0;
- int last_pic_structure;
-
- s->dropable= h->nal_ref_idc == 0;
-
- if((s->avctx->flags2 & CODEC_FLAG2_FAST) && !h->nal_ref_idc){
- s->me.qpel_put= s->dsp.put_2tap_qpel_pixels_tab;
- s->me.qpel_avg= s->dsp.avg_2tap_qpel_pixels_tab;
- }else{
- s->me.qpel_put= s->dsp.put_h264_qpel_pixels_tab;
- s->me.qpel_avg= s->dsp.avg_h264_qpel_pixels_tab;
- }
-
- first_mb_in_slice= get_ue_golomb(&s->gb);
-
- if(first_mb_in_slice == 0){ //FIXME better field boundary detection
- if(h0->current_slice && FIELD_PICTURE){
- field_end(h);
- }
-
- h0->current_slice = 0;
- if (!s0->first_field)
- s->current_picture_ptr= NULL;
- }
-
- slice_type= get_ue_golomb_31(&s->gb);
- if(slice_type > 9){
- av_log(h->s.avctx, AV_LOG_ERROR, "slice type too large (%d) at %d %d\n", h->slice_type, s->mb_x, s->mb_y);
- return -1;
- }
- if(slice_type > 4){
- slice_type -= 5;
- h->slice_type_fixed=1;
- }else
- h->slice_type_fixed=0;
-
- slice_type= golomb_to_pict_type[ slice_type ];
- if (slice_type == FF_I_TYPE
- || (h0->current_slice != 0 && slice_type == h0->last_slice_type) ) {
- default_ref_list_done = 1;
- }
- h->slice_type= slice_type;
- h->slice_type_nos= slice_type & 3;
-
- s->pict_type= h->slice_type; // to make a few old functions happy, it's wrong though
- if (s->pict_type == FF_B_TYPE && s0->last_picture_ptr == NULL) {
- av_log(h->s.avctx, AV_LOG_ERROR,
- "B picture before any references, skipping\n");
- return -1;
- }
-
- pps_id= get_ue_golomb(&s->gb);
- if(pps_id>=MAX_PPS_COUNT){
- av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\n");
- return -1;
- }
- if(!h0->pps_buffers[pps_id]) {
- av_log(h->s.avctx, AV_LOG_ERROR, "non-existing PPS %u referenced\n", pps_id);
- return -1;
- }
- h->pps= *h0->pps_buffers[pps_id];
-
- if(!h0->sps_buffers[h->pps.sps_id]) {
- av_log(h->s.avctx, AV_LOG_ERROR, "non-existing SPS %u referenced\n", h->pps.sps_id);
- return -1;
- }
- h->sps = *h0->sps_buffers[h->pps.sps_id];
-
- if(h == h0 && h->dequant_coeff_pps != pps_id){
- h->dequant_coeff_pps = pps_id;
- init_dequant_tables(h);
- }
-
- s->mb_width= h->sps.mb_width;
- s->mb_height= h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);
-
- h->b_stride= s->mb_width*4;
- h->b8_stride= s->mb_width*2;
-
- s->width = 16*s->mb_width - 2*FFMIN(h->sps.crop_right, 7);
- if(h->sps.frame_mbs_only_flag)
- s->height= 16*s->mb_height - 2*FFMIN(h->sps.crop_bottom, 7);
- else
- s->height= 16*s->mb_height - 4*FFMIN(h->sps.crop_bottom, 3);
-
- if (s->context_initialized
- && ( s->width != s->avctx->width || s->height != s->avctx->height)) {
- if(h != h0)
- return -1; // width / height changed during parallelized decoding
- free_tables(h);
- flush_dpb(s->avctx);
- MPV_common_end(s);
- }
- if (!s->context_initialized) {
- if(h != h0)
- return -1; // we cant (re-)initialize context during parallel decoding
-
- avcodec_set_dimensions(s->avctx, s->width, s->height);
- s->avctx->sample_aspect_ratio= h->sps.sar;
- if(!s->avctx->sample_aspect_ratio.den)
- s->avctx->sample_aspect_ratio.den = 1;
-
- if(h->sps.video_signal_type_present_flag){
- s->avctx->color_range = h->sps.full_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;
- if(h->sps.colour_description_present_flag){
- s->avctx->color_primaries = h->sps.color_primaries;
- s->avctx->color_trc = h->sps.color_trc;
- s->avctx->colorspace = h->sps.colorspace;
- }
- }
-
- if(h->sps.timing_info_present_flag){
- s->avctx->time_base= (AVRational){h->sps.num_units_in_tick, h->sps.time_scale};
- if(h->x264_build > 0 && h->x264_build < 44)
- s->avctx->time_base.den *= 2;
- av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den,
- s->avctx->time_base.num, s->avctx->time_base.den, 1<<30);
- }
- s->avctx->pix_fmt = s->avctx->get_format(s->avctx, s->avctx->codec->pix_fmts);
- s->avctx->hwaccel = ff_find_hwaccel(s->avctx->codec->id, s->avctx->pix_fmt);
-
- if (MPV_common_init(s) < 0)
- return -1;
- s->first_field = 0;
- h->prev_interlaced_frame = 1;
-
- init_scan_tables(h);
- ff_h264_alloc_tables(h);
-
- for(i = 1; i < s->avctx->thread_count; i++) {
- H264Context *c;
- c = h->thread_context[i] = av_malloc(sizeof(H264Context));
- memcpy(c, h->s.thread_context[i], sizeof(MpegEncContext));
- memset(&c->s + 1, 0, sizeof(H264Context) - sizeof(MpegEncContext));
- c->sps = h->sps;
- c->pps = h->pps;
- init_scan_tables(c);
- clone_tables(c, h);
- }
-
- for(i = 0; i < s->avctx->thread_count; i++)
- if(context_init(h->thread_context[i]) < 0)
- return -1;
- }
-
- h->frame_num= get_bits(&s->gb, h->sps.log2_max_frame_num);
-
- h->mb_mbaff = 0;
- h->mb_aff_frame = 0;
- last_pic_structure = s0->picture_structure;
- if(h->sps.frame_mbs_only_flag){
- s->picture_structure= PICT_FRAME;
- }else{
- if(get_bits1(&s->gb)) { //field_pic_flag
- s->picture_structure= PICT_TOP_FIELD + get_bits1(&s->gb); //bottom_field_flag
- } else {
- s->picture_structure= PICT_FRAME;
- h->mb_aff_frame = h->sps.mb_aff;
- }
- }
- h->mb_field_decoding_flag= s->picture_structure != PICT_FRAME;
-
- if(h0->current_slice == 0){
- while(h->frame_num != h->prev_frame_num &&
- h->frame_num != (h->prev_frame_num+1)%(1<<h->sps.log2_max_frame_num)){
- av_log(NULL, AV_LOG_DEBUG, "Frame num gap %d %d\n", h->frame_num, h->prev_frame_num);
- if (ff_h264_frame_start(h) < 0)
- return -1;
- h->prev_frame_num++;
- h->prev_frame_num %= 1<<h->sps.log2_max_frame_num;
- s->current_picture_ptr->frame_num= h->prev_frame_num;
- ff_h264_execute_ref_pic_marking(h, NULL, 0);
- }
-
- /* See if we have a decoded first field looking for a pair... */
- if (s0->first_field) {
- assert(s0->current_picture_ptr);
- assert(s0->current_picture_ptr->data[0]);
- assert(s0->current_picture_ptr->reference != DELAYED_PIC_REF);
-
- /* figure out if we have a complementary field pair */
- if (!FIELD_PICTURE || s->picture_structure == last_pic_structure) {
- /*
- * Previous field is unmatched. Don't display it, but let it
- * remain for reference if marked as such.
- */
- s0->current_picture_ptr = NULL;
- s0->first_field = FIELD_PICTURE;
-
- } else {
- if (h->nal_ref_idc &&
- s0->current_picture_ptr->reference &&
- s0->current_picture_ptr->frame_num != h->frame_num) {
- /*
- * This and previous field were reference, but had
- * different frame_nums. Consider this field first in
- * pair. Throw away previous field except for reference
- * purposes.
- */
- s0->first_field = 1;
- s0->current_picture_ptr = NULL;
-
- } else {
- /* Second field in complementary pair */
- s0->first_field = 0;
- }
- }
-
- } else {
- /* Frame or first field in a potentially complementary pair */
- assert(!s0->current_picture_ptr);
- s0->first_field = FIELD_PICTURE;
- }
-
- if((!FIELD_PICTURE || s0->first_field) && ff_h264_frame_start(h) < 0) {
- s0->first_field = 0;
- return -1;
- }
- }
- if(h != h0)
- clone_slice(h, h0);
-
- s->current_picture_ptr->frame_num= h->frame_num; //FIXME frame_num cleanup
-
- assert(s->mb_num == s->mb_width * s->mb_height);
- if(first_mb_in_slice << FIELD_OR_MBAFF_PICTURE >= s->mb_num ||
- first_mb_in_slice >= s->mb_num){
- av_log(h->s.avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n");
- return -1;
- }
- s->resync_mb_x = s->mb_x = first_mb_in_slice % s->mb_width;
- s->resync_mb_y = s->mb_y = (first_mb_in_slice / s->mb_width) << FIELD_OR_MBAFF_PICTURE;
- if (s->picture_structure == PICT_BOTTOM_FIELD)
- s->resync_mb_y = s->mb_y = s->mb_y + 1;
- assert(s->mb_y < s->mb_height);
-
- if(s->picture_structure==PICT_FRAME){
- h->curr_pic_num= h->frame_num;
- h->max_pic_num= 1<< h->sps.log2_max_frame_num;
- }else{
- h->curr_pic_num= 2*h->frame_num + 1;
- h->max_pic_num= 1<<(h->sps.log2_max_frame_num + 1);
- }
-
- if(h->nal_unit_type == NAL_IDR_SLICE){
- get_ue_golomb(&s->gb); /* idr_pic_id */
- }
-
- if(h->sps.poc_type==0){
- h->poc_lsb= get_bits(&s->gb, h->sps.log2_max_poc_lsb);
-
- if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME){
- h->delta_poc_bottom= get_se_golomb(&s->gb);
- }
- }
-
- if(h->sps.poc_type==1 && !h->sps.delta_pic_order_always_zero_flag){
- h->delta_poc[0]= get_se_golomb(&s->gb);
-
- if(h->pps.pic_order_present==1 && s->picture_structure==PICT_FRAME)
- h->delta_poc[1]= get_se_golomb(&s->gb);
- }
-
- init_poc(h);
-
- if(h->pps.redundant_pic_cnt_present){
- h->redundant_pic_count= get_ue_golomb(&s->gb);
- }
-
- //set defaults, might be overridden a few lines later
- h->ref_count[0]= h->pps.ref_count[0];
- h->ref_count[1]= h->pps.ref_count[1];
-
- if(h->slice_type_nos != FF_I_TYPE){
- if(h->slice_type_nos == FF_B_TYPE){
- h->direct_spatial_mv_pred= get_bits1(&s->gb);
- }
- num_ref_idx_active_override_flag= get_bits1(&s->gb);
-
- if(num_ref_idx_active_override_flag){
- h->ref_count[0]= get_ue_golomb(&s->gb) + 1;
- if(h->slice_type_nos==FF_B_TYPE)
- h->ref_count[1]= get_ue_golomb(&s->gb) + 1;
+ pre = av_clip( ((cabac_context_init_PB[h->cabac_init_idc][i][0] * s->qscale) >>4 ) + cabac_context_init_PB[h->cabac_init_idc][i][1], 1, 126 );
- if(h->ref_count[0]-1 > 32-1 || h->ref_count[1]-1 > 32-1){
- av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow\n");
- h->ref_count[0]= h->ref_count[1]= 1;
- return -1;
- }
- }
- if(h->slice_type_nos == FF_B_TYPE)
- h->list_count= 2;
+ if( pre <= 63 )
+ h->cabac_state[i] = 2 * ( 63 - pre ) + 0;
else
- h->list_count= 1;
- }else
- h->list_count= 0;
-
- if(!default_ref_list_done){
- ff_h264_fill_default_ref_list(h);
- }
-
- if(h->slice_type_nos!=FF_I_TYPE && ff_h264_decode_ref_pic_list_reordering(h) < 0)
- return -1;
-
- if(h->slice_type_nos!=FF_I_TYPE){
- s->last_picture_ptr= &h->ref_list[0][0];
- ff_copy_picture(&s->last_picture, s->last_picture_ptr);
- }
- if(h->slice_type_nos==FF_B_TYPE){
- s->next_picture_ptr= &h->ref_list[1][0];
- ff_copy_picture(&s->next_picture, s->next_picture_ptr);
- }
-
- if( (h->pps.weighted_pred && h->slice_type_nos == FF_P_TYPE )
- || (h->pps.weighted_bipred_idc==1 && h->slice_type_nos== FF_B_TYPE ) )
- pred_weight_table(h);
- else if(h->pps.weighted_bipred_idc==2 && h->slice_type_nos== FF_B_TYPE)
- implicit_weight_table(h);
- else {
- h->use_weight = 0;
- for (i = 0; i < 2; i++) {
- h->luma_weight_flag[i] = 0;
- h->chroma_weight_flag[i] = 0;
- }
- }
-
- if(h->nal_ref_idc)
- ff_h264_decode_ref_pic_marking(h0, &s->gb);
-
- if(FRAME_MBAFF)
- ff_h264_fill_mbaff_ref_list(h);
-
- if(h->slice_type_nos==FF_B_TYPE && !h->direct_spatial_mv_pred)
- ff_h264_direct_dist_scale_factor(h);
- ff_h264_direct_ref_list_init(h);
-
- if( h->slice_type_nos != FF_I_TYPE && h->pps.cabac ){
- tmp = get_ue_golomb_31(&s->gb);
- if(tmp > 2){
- av_log(s->avctx, AV_LOG_ERROR, "cabac_init_idc overflow\n");
- return -1;
- }
- h->cabac_init_idc= tmp;
- }
-
- h->last_qscale_diff = 0;
- tmp = h->pps.init_qp + get_se_golomb(&s->gb);
- if(tmp>51){
- av_log(s->avctx, AV_LOG_ERROR, "QP %u out of range\n", tmp);
- return -1;
- }
- s->qscale= tmp;
- h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale);
- h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale);
- //FIXME qscale / qp ... stuff
- if(h->slice_type == FF_SP_TYPE){
- get_bits1(&s->gb); /* sp_for_switch_flag */
- }
- if(h->slice_type==FF_SP_TYPE || h->slice_type == FF_SI_TYPE){
- get_se_golomb(&s->gb); /* slice_qs_delta */
- }
-
- h->deblocking_filter = 1;
- h->slice_alpha_c0_offset = 0;
- h->slice_beta_offset = 0;
- if( h->pps.deblocking_filter_parameters_present ) {
- tmp= get_ue_golomb_31(&s->gb);
- if(tmp > 2){
- av_log(s->avctx, AV_LOG_ERROR, "deblocking_filter_idc %u out of range\n", tmp);
- return -1;
- }
- h->deblocking_filter= tmp;
- if(h->deblocking_filter < 2)
- h->deblocking_filter^= 1; // 1<->0
-
- if( h->deblocking_filter ) {
- h->slice_alpha_c0_offset = get_se_golomb(&s->gb) << 1;
- h->slice_beta_offset = get_se_golomb(&s->gb) << 1;
- }
- }
-
- if( s->avctx->skip_loop_filter >= AVDISCARD_ALL
- ||(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY && h->slice_type_nos != FF_I_TYPE)
- ||(s->avctx->skip_loop_filter >= AVDISCARD_BIDIR && h->slice_type_nos == FF_B_TYPE)
- ||(s->avctx->skip_loop_filter >= AVDISCARD_NONREF && h->nal_ref_idc == 0))
- h->deblocking_filter= 0;
-
- if(h->deblocking_filter == 1 && h0->max_contexts > 1) {
- if(s->avctx->flags2 & CODEC_FLAG2_FAST) {
- /* Cheat slightly for speed:
- Do not bother to deblock across slices. */
- h->deblocking_filter = 2;
- } else {
- h0->max_contexts = 1;
- if(!h0->single_decode_warning) {
- av_log(s->avctx, AV_LOG_INFO, "Cannot parallelize deblocking type 1, decoding such frames in sequential order\n");
- h0->single_decode_warning = 1;
- }
- if(h != h0)
- return 1; // deblocking switched inside frame
- }
- }
-
-#if 0 //FMO
- if( h->pps.num_slice_groups > 1 && h->pps.mb_slice_group_map_type >= 3 && h->pps.mb_slice_group_map_type <= 5)
- slice_group_change_cycle= get_bits(&s->gb, ?);
-#endif
-
- h0->last_slice_type = slice_type;
- h->slice_num = ++h0->current_slice;
- if(h->slice_num >= MAX_SLICES){
- av_log(s->avctx, AV_LOG_ERROR, "Too many slices, increase MAX_SLICES and recompile\n");
- }
-
- for(j=0; j<2; j++){
- int *ref2frm= h->ref2frm[h->slice_num&(MAX_SLICES-1)][j];
- ref2frm[0]=
- ref2frm[1]= -1;
- for(i=0; i<16; i++)
- ref2frm[i+2]= 4*h->ref_list[j][i].frame_num
- +(h->ref_list[j][i].reference&3);
- ref2frm[18+0]=
- ref2frm[18+1]= -1;
- for(i=16; i<48; i++)
- ref2frm[i+4]= 4*h->ref_list[j][i].frame_num
- +(h->ref_list[j][i].reference&3);
- }
-
- h->emu_edge_width= (s->flags&CODEC_FLAG_EMU_EDGE) ? 0 : 16;
- h->emu_edge_height= (FRAME_MBAFF || FIELD_PICTURE) ? 0 : h->emu_edge_width;
-
- s->avctx->refs= h->sps.ref_frame_count;
-
- if(s->avctx->debug&FF_DEBUG_PICT_INFO){
- av_log(h->s.avctx, AV_LOG_DEBUG, "slice:%d %s mb:%d %c%s%s pps:%u frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s %s\n",
- h->slice_num,
- (s->picture_structure==PICT_FRAME ? "F" : s->picture_structure==PICT_TOP_FIELD ? "T" : "B"),
- first_mb_in_slice,
- av_get_pict_type_char(h->slice_type), h->slice_type_fixed ? " fix" : "", h->nal_unit_type == NAL_IDR_SLICE ? " IDR" : "",
- pps_id, h->frame_num,
- s->current_picture_ptr->field_poc[0], s->current_picture_ptr->field_poc[1],
- h->ref_count[0], h->ref_count[1],
- s->qscale,
- h->deblocking_filter, h->slice_alpha_c0_offset/2, h->slice_beta_offset/2,
- h->use_weight,
- h->use_weight==1 && h->use_weight_chroma ? "c" : "",
- h->slice_type == FF_B_TYPE ? (h->direct_spatial_mv_pred ? "SPAT" : "TEMP") : ""
- );
- }
-
- return 0;
-}
-
-int ff_h264_get_slice_type(H264Context *h)
-{
- switch (h->slice_type) {
- case FF_P_TYPE: return 0;
- case FF_B_TYPE: return 1;
- case FF_I_TYPE: return 2;
- case FF_SP_TYPE: return 3;
- case FF_SI_TYPE: return 4;
- default: return -1;
+ h->cabac_state[i] = 2 * ( pre - 64 ) + 1;
}
}
-
static int decode_cabac_field_decoding_flag(H264Context *h) {
MpegEncContext * const s = &h->s;
const int mb_x = s->mb_x;
@@ -2748,7 +1276,7 @@ static inline void compute_mb_neighbors(
* decodes a macroblock
* @returns 0 if OK, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
*/
-static int decode_mb_cabac(H264Context *h) {
+int ff_h264_decode_mb_cabac(H264Context *h) {
MpegEncContext * const s = &h->s;
int mb_xy;
int mb_type, partition_count, cbp = 0;
@@ -3255,941 +1783,3 @@ decode_intra_mb:
return 0;
}
-
-static int decode_slice(struct AVCodecContext *avctx, void *arg){
- H264Context *h = *(void**)arg;
- MpegEncContext * const s = &h->s;
- const int part_mask= s->partitioned_frame ? (AC_END|AC_ERROR) : 0x7F;
-
- s->mb_skip_run= -1;
-
- h->is_complex = FRAME_MBAFF || s->picture_structure != PICT_FRAME || s->codec_id != CODEC_ID_H264 ||
- (CONFIG_GRAY && (s->flags&CODEC_FLAG_GRAY));
-
- if( h->pps.cabac ) {
- int i;
-
- /* realign */
- align_get_bits( &s->gb );
-
- /* init cabac */
- ff_init_cabac_states( &h->cabac);
- ff_init_cabac_decoder( &h->cabac,
- s->gb.buffer + get_bits_count(&s->gb)/8,
- (get_bits_left(&s->gb) + 7)/8);
- /* calculate pre-state */
- for( i= 0; i < 460; i++ ) {
- int pre;
- if( h->slice_type_nos == FF_I_TYPE )
- pre = av_clip( ((cabac_context_init_I[i][0] * s->qscale) >>4 ) + cabac_context_init_I[i][1], 1, 126 );
- else
- pre = av_clip( ((cabac_context_init_PB[h->cabac_init_idc][i][0] * s->qscale) >>4 ) + cabac_context_init_PB[h->cabac_init_idc][i][1], 1, 126 );
-
- if( pre <= 63 )
- h->cabac_state[i] = 2 * ( 63 - pre ) + 0;
- else
- h->cabac_state[i] = 2 * ( pre - 64 ) + 1;
- }
-
- for(;;){
-//START_TIMER
- int ret = decode_mb_cabac(h);
- int eos;
-//STOP_TIMER("decode_mb_cabac")
-
- if(ret>=0) ff_h264_hl_decode_mb(h);
-
- if( ret >= 0 && FRAME_MBAFF ) { //FIXME optimal? or let mb_decode decode 16x32 ?
- s->mb_y++;
-
- ret = decode_mb_cabac(h);
-
- if(ret>=0) ff_h264_hl_decode_mb(h);
- s->mb_y--;
- }
- eos = get_cabac_terminate( &h->cabac );
-
- if( ret < 0 || h->cabac.bytestream > h->cabac.bytestream_end + 2) {
- av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d, bytestream (%td)\n", s->mb_x, s->mb_y, h->cabac.bytestream_end - h->cabac.bytestream);
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
- return -1;
- }
-
- if( ++s->mb_x >= s->mb_width ) {
- s->mb_x = 0;
- ff_draw_horiz_band(s, 16*s->mb_y, 16);
- ++s->mb_y;
- if(FIELD_OR_MBAFF_PICTURE) {
- ++s->mb_y;
- }
- }
-
- if( eos || s->mb_y >= s->mb_height ) {
- tprintf(s->avctx, "slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
- return 0;
- }
- }
-
- } else {
- for(;;){
- int ret = ff_h264_decode_mb_cavlc(h);
-
- if(ret>=0) ff_h264_hl_decode_mb(h);
-
- if(ret>=0 && FRAME_MBAFF){ //FIXME optimal? or let mb_decode decode 16x32 ?
- s->mb_y++;
- ret = ff_h264_decode_mb_cavlc(h);
-
- if(ret>=0) ff_h264_hl_decode_mb(h);
- s->mb_y--;
- }
-
- if(ret<0){
- av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
-
- return -1;
- }
-
- if(++s->mb_x >= s->mb_width){
- s->mb_x=0;
- ff_draw_horiz_band(s, 16*s->mb_y, 16);
- ++s->mb_y;
- if(FIELD_OR_MBAFF_PICTURE) {
- ++s->mb_y;
- }
- if(s->mb_y >= s->mb_height){
- tprintf(s->avctx, "slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
-
- if(get_bits_count(&s->gb) == s->gb.size_in_bits ) {
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
-
- return 0;
- }else{
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
-
- return -1;
- }
- }
- }
-
- if(get_bits_count(&s->gb) >= s->gb.size_in_bits && s->mb_skip_run<=0){
- tprintf(s->avctx, "slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
- if(get_bits_count(&s->gb) == s->gb.size_in_bits ){
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
-
- return 0;
- }else{
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
-
- return -1;
- }
- }
- }
- }
-
-#if 0
- for(;s->mb_y < s->mb_height; s->mb_y++){
- for(;s->mb_x < s->mb_width; s->mb_x++){
- int ret= decode_mb(h);
-
- ff_h264_hl_decode_mb(h);
-
- if(ret<0){
- av_log(s->avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
-
- return -1;
- }
-
- if(++s->mb_x >= s->mb_width){
- s->mb_x=0;
- if(++s->mb_y >= s->mb_height){
- if(get_bits_count(s->gb) == s->gb.size_in_bits){
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
-
- return 0;
- }else{
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
-
- return -1;
- }
- }
- }
-
- if(get_bits_count(s->?gb) >= s->gb?.size_in_bits){
- if(get_bits_count(s->gb) == s->gb.size_in_bits){
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
-
- return 0;
- }else{
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
-
- return -1;
- }
- }
- }
- s->mb_x=0;
- ff_draw_horiz_band(s, 16*s->mb_y, 16);
- }
-#endif
- return -1; //not reached
-}
-
-/**
- * Call decode_slice() for each context.
- *
- * @param h h264 master context
- * @param context_count number of contexts to execute
- */
-static void execute_decode_slices(H264Context *h, int context_count){
- MpegEncContext * const s = &h->s;
- AVCodecContext * const avctx= s->avctx;
- H264Context *hx;
- int i;
-
- if (s->avctx->hwaccel)
- return;
- if(s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
- return;
- if(context_count == 1) {
- decode_slice(avctx, &h);
- } else {
- for(i = 1; i < context_count; i++) {
- hx = h->thread_context[i];
- hx->s.error_recognition = avctx->error_recognition;
- hx->s.error_count = 0;
- }
-
- avctx->execute(avctx, (void *)decode_slice,
- h->thread_context, NULL, context_count, sizeof(void*));
-
- /* pull back stuff from slices to master context */
- hx = h->thread_context[context_count - 1];
- s->mb_x = hx->s.mb_x;
- s->mb_y = hx->s.mb_y;
- s->dropable = hx->s.dropable;
- s->picture_structure = hx->s.picture_structure;
- for(i = 1; i < context_count; i++)
- h->s.error_count += h->thread_context[i]->s.error_count;
- }
-}
-
-
-static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){
- MpegEncContext * const s = &h->s;
- AVCodecContext * const avctx= s->avctx;
- int buf_index=0;
- H264Context *hx; ///< thread context
- int context_count = 0;
- int next_avc= h->is_avc ? 0 : buf_size;
-
- h->max_contexts = avctx->thread_count;
-#if 0
- int i;
- for(i=0; i<50; i++){
- av_log(NULL, AV_LOG_ERROR,"%02X ", buf[i]);
- }
-#endif
- if(!(s->flags2 & CODEC_FLAG2_CHUNKS)){
- h->current_slice = 0;
- if (!s->first_field)
- s->current_picture_ptr= NULL;
- ff_h264_reset_sei(h);
- }
-
- for(;;){
- int consumed;
- int dst_length;
- int bit_length;
- const uint8_t *ptr;
- int i, nalsize = 0;
- int err;
-
- if(buf_index >= next_avc) {
- if(buf_index >= buf_size) break;
- nalsize = 0;
- for(i = 0; i < h->nal_length_size; i++)
- nalsize = (nalsize << 8) | buf[buf_index++];
- if(nalsize <= 1 || nalsize > buf_size - buf_index){
- if(nalsize == 1){
- buf_index++;
- continue;
- }else{
- av_log(h->s.avctx, AV_LOG_ERROR, "AVC: nal size %d\n", nalsize);
- break;
- }
- }
- next_avc= buf_index + nalsize;
- } else {
- // start code prefix search
- for(; buf_index + 3 < next_avc; buf_index++){
- // This should always succeed in the first iteration.
- if(buf[buf_index] == 0 && buf[buf_index+1] == 0 && buf[buf_index+2] == 1)
- break;
- }
-
- if(buf_index+3 >= buf_size) break;
-
- buf_index+=3;
- if(buf_index >= next_avc) continue;
- }
-
- hx = h->thread_context[context_count];
-
- ptr= ff_h264_decode_nal(hx, buf + buf_index, &dst_length, &consumed, next_avc - buf_index);
- if (ptr==NULL || dst_length < 0){
- return -1;
- }
- while(ptr[dst_length - 1] == 0 && dst_length > 0)
- dst_length--;
- bit_length= !dst_length ? 0 : (8*dst_length - ff_h264_decode_rbsp_trailing(h, ptr + dst_length - 1));
-
- if(s->avctx->debug&FF_DEBUG_STARTCODE){
- av_log(h->s.avctx, AV_LOG_DEBUG, "NAL %d at %d/%d length %d\n", hx->nal_unit_type, buf_index, buf_size, dst_length);
- }
-
- if (h->is_avc && (nalsize != consumed) && nalsize){
- av_log(h->s.avctx, AV_LOG_DEBUG, "AVC: Consumed only %d bytes instead of %d\n", consumed, nalsize);
- }
-
- buf_index += consumed;
-
- if( (s->hurry_up == 1 && h->nal_ref_idc == 0) //FIXME do not discard SEI id
- ||(avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc == 0))
- continue;
-
- again:
- err = 0;
- switch(hx->nal_unit_type){
- case NAL_IDR_SLICE:
- if (h->nal_unit_type != NAL_IDR_SLICE) {
- av_log(h->s.avctx, AV_LOG_ERROR, "Invalid mix of idr and non-idr slices");
- return -1;
- }
- idr(h); //FIXME ensure we don't loose some frames if there is reordering
- case NAL_SLICE:
- init_get_bits(&hx->s.gb, ptr, bit_length);
- hx->intra_gb_ptr=
- hx->inter_gb_ptr= &hx->s.gb;
- hx->s.data_partitioning = 0;
-
- if((err = decode_slice_header(hx, h)))
- break;
-
- if (s->avctx->hwaccel && h->current_slice == 1) {
- if (s->avctx->hwaccel->start_frame(s->avctx, NULL, 0) < 0)
- return -1;
- }
-
- s->current_picture_ptr->key_frame |=
- (hx->nal_unit_type == NAL_IDR_SLICE) ||
- (h->sei_recovery_frame_cnt >= 0);
- if(hx->redundant_pic_count==0 && hx->s.hurry_up < 5
- && (avctx->skip_frame < AVDISCARD_NONREF || hx->nal_ref_idc)
- && (avctx->skip_frame < AVDISCARD_BIDIR || hx->slice_type_nos!=FF_B_TYPE)
- && (avctx->skip_frame < AVDISCARD_NONKEY || hx->slice_type_nos==FF_I_TYPE)
- && avctx->skip_frame < AVDISCARD_ALL){
- if(avctx->hwaccel) {
- if (avctx->hwaccel->decode_slice(avctx, &buf[buf_index - consumed], consumed) < 0)
- return -1;
- }else
- if(CONFIG_H264_VDPAU_DECODER && s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU){
- static const uint8_t start_code[] = {0x00, 0x00, 0x01};
- ff_vdpau_add_data_chunk(s, start_code, sizeof(start_code));
- ff_vdpau_add_data_chunk(s, &buf[buf_index - consumed], consumed );
- }else
- context_count++;
- }
- break;
- case NAL_DPA:
- init_get_bits(&hx->s.gb, ptr, bit_length);
- hx->intra_gb_ptr=
- hx->inter_gb_ptr= NULL;
-
- if ((err = decode_slice_header(hx, h)) < 0)
- break;
-
- hx->s.data_partitioning = 1;
-
- break;
- case NAL_DPB:
- init_get_bits(&hx->intra_gb, ptr, bit_length);
- hx->intra_gb_ptr= &hx->intra_gb;
- break;
- case NAL_DPC:
- init_get_bits(&hx->inter_gb, ptr, bit_length);
- hx->inter_gb_ptr= &hx->inter_gb;
-
- if(hx->redundant_pic_count==0 && hx->intra_gb_ptr && hx->s.data_partitioning
- && s->context_initialized
- && s->hurry_up < 5
- && (avctx->skip_frame < AVDISCARD_NONREF || hx->nal_ref_idc)
- && (avctx->skip_frame < AVDISCARD_BIDIR || hx->slice_type_nos!=FF_B_TYPE)
- && (avctx->skip_frame < AVDISCARD_NONKEY || hx->slice_type_nos==FF_I_TYPE)
- && avctx->skip_frame < AVDISCARD_ALL)
- context_count++;
- break;
- case NAL_SEI:
- init_get_bits(&s->gb, ptr, bit_length);
- ff_h264_decode_sei(h);
- break;
- case NAL_SPS:
- init_get_bits(&s->gb, ptr, bit_length);
- ff_h264_decode_seq_parameter_set(h);
-
- if(s->flags& CODEC_FLAG_LOW_DELAY)
- s->low_delay=1;
-
- if(avctx->has_b_frames < 2)
- avctx->has_b_frames= !s->low_delay;
- break;
- case NAL_PPS:
- init_get_bits(&s->gb, ptr, bit_length);
-
- ff_h264_decode_picture_parameter_set(h, bit_length);
-
- break;
- case NAL_AUD:
- case NAL_END_SEQUENCE:
- case NAL_END_STREAM:
- case NAL_FILLER_DATA:
- case NAL_SPS_EXT:
- case NAL_AUXILIARY_SLICE:
- break;
- default:
- av_log(avctx, AV_LOG_DEBUG, "Unknown NAL code: %d (%d bits)\n", hx->nal_unit_type, bit_length);
- }
-
- if(context_count == h->max_contexts) {
- execute_decode_slices(h, context_count);
- context_count = 0;
- }
-
- if (err < 0)
- av_log(h->s.avctx, AV_LOG_ERROR, "decode_slice_header error\n");
- else if(err == 1) {
- /* Slice could not be decoded in parallel mode, copy down
- * NAL unit stuff to context 0 and restart. Note that
- * rbsp_buffer is not transferred, but since we no longer
- * run in parallel mode this should not be an issue. */
- h->nal_unit_type = hx->nal_unit_type;
- h->nal_ref_idc = hx->nal_ref_idc;
- hx = h;
- goto again;
- }
- }
- if(context_count)
- execute_decode_slices(h, context_count);
- return buf_index;
-}
-
-/**
- * returns the number of bytes consumed for building the current frame
- */
-static int get_consumed_bytes(MpegEncContext *s, int pos, int buf_size){
- if(pos==0) pos=1; //avoid infinite loops (i doubt that is needed but ...)
- if(pos+10>buf_size) pos=buf_size; // oops ;)
-
- return pos;
-}
-
-static int decode_frame(AVCodecContext *avctx,
- void *data, int *data_size,
- AVPacket *avpkt)
-{
- const uint8_t *buf = avpkt->data;
- int buf_size = avpkt->size;
- H264Context *h = avctx->priv_data;
- MpegEncContext *s = &h->s;
- AVFrame *pict = data;
- int buf_index;
-
- s->flags= avctx->flags;
- s->flags2= avctx->flags2;
-
- /* end of stream, output what is still in the buffers */
- if (buf_size == 0) {
- Picture *out;
- int i, out_idx;
-
-//FIXME factorize this with the output code below
- out = h->delayed_pic[0];
- out_idx = 0;
- for(i=1; h->delayed_pic[i] && !h->delayed_pic[i]->key_frame && !h->delayed_pic[i]->mmco_reset; i++)
- if(h->delayed_pic[i]->poc < out->poc){
- out = h->delayed_pic[i];
- out_idx = i;
- }
-
- for(i=out_idx; h->delayed_pic[i]; i++)
- h->delayed_pic[i] = h->delayed_pic[i+1];
-
- if(out){
- *data_size = sizeof(AVFrame);
- *pict= *(AVFrame*)out;
- }
-
- return 0;
- }
-
- if(h->is_avc && !h->got_avcC) {
- int i, cnt, nalsize;
- unsigned char *p = avctx->extradata;
- if(avctx->extradata_size < 7) {
- av_log(avctx, AV_LOG_ERROR, "avcC too short\n");
- return -1;
- }
- if(*p != 1) {
- av_log(avctx, AV_LOG_ERROR, "Unknown avcC version %d\n", *p);
- return -1;
- }
- /* sps and pps in the avcC always have length coded with 2 bytes,
- so put a fake nal_length_size = 2 while parsing them */
- h->nal_length_size = 2;
- // Decode sps from avcC
- cnt = *(p+5) & 0x1f; // Number of sps
- p += 6;
- for (i = 0; i < cnt; i++) {
- nalsize = AV_RB16(p) + 2;
- if(decode_nal_units(h, p, nalsize) < 0) {
- av_log(avctx, AV_LOG_ERROR, "Decoding sps %d from avcC failed\n", i);
- return -1;
- }
- p += nalsize;
- }
- // Decode pps from avcC
- cnt = *(p++); // Number of pps
- for (i = 0; i < cnt; i++) {
- nalsize = AV_RB16(p) + 2;
- if(decode_nal_units(h, p, nalsize) != nalsize) {
- av_log(avctx, AV_LOG_ERROR, "Decoding pps %d from avcC failed\n", i);
- return -1;
- }
- p += nalsize;
- }
- // Now store right nal length size, that will be use to parse all other nals
- h->nal_length_size = ((*(((char*)(avctx->extradata))+4))&0x03)+1;
- // Do not reparse avcC
- h->got_avcC = 1;
- }
-
- if(!h->got_avcC && !h->is_avc && s->avctx->extradata_size){
- if(decode_nal_units(h, s->avctx->extradata, s->avctx->extradata_size) < 0)
- return -1;
- h->got_avcC = 1;
- }
-
- buf_index=decode_nal_units(h, buf, buf_size);
- if(buf_index < 0)
- return -1;
-
- if(!(s->flags2 & CODEC_FLAG2_CHUNKS) && !s->current_picture_ptr){
- if (avctx->skip_frame >= AVDISCARD_NONREF || s->hurry_up) return 0;
- av_log(avctx, AV_LOG_ERROR, "no frame!\n");
- return -1;
- }
-
- if(!(s->flags2 & CODEC_FLAG2_CHUNKS) || (s->mb_y >= s->mb_height && s->mb_height)){
- Picture *out = s->current_picture_ptr;
- Picture *cur = s->current_picture_ptr;
- int i, pics, out_of_order, out_idx;
-
- field_end(h);
-
- if (cur->field_poc[0]==INT_MAX || cur->field_poc[1]==INT_MAX) {
- /* Wait for second field. */
- *data_size = 0;
-
- } else {
- cur->interlaced_frame = 0;
- cur->repeat_pict = 0;
-
- /* Signal interlacing information externally. */
- /* Prioritize picture timing SEI information over used decoding process if it exists. */
-
- if(h->sps.pic_struct_present_flag){
- switch (h->sei_pic_struct)
- {
- case SEI_PIC_STRUCT_FRAME:
- break;
- case SEI_PIC_STRUCT_TOP_FIELD:
- case SEI_PIC_STRUCT_BOTTOM_FIELD:
- cur->interlaced_frame = 1;
- break;
- case SEI_PIC_STRUCT_TOP_BOTTOM:
- case SEI_PIC_STRUCT_BOTTOM_TOP:
- if (FIELD_OR_MBAFF_PICTURE)
- cur->interlaced_frame = 1;
- else
- // try to flag soft telecine progressive
- cur->interlaced_frame = h->prev_interlaced_frame;
- break;
- case SEI_PIC_STRUCT_TOP_BOTTOM_TOP:
- case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM:
- // Signal the possibility of telecined film externally (pic_struct 5,6)
- // From these hints, let the applications decide if they apply deinterlacing.
- cur->repeat_pict = 1;
- break;
- case SEI_PIC_STRUCT_FRAME_DOUBLING:
- // Force progressive here, as doubling interlaced frame is a bad idea.
- cur->repeat_pict = 2;
- break;
- case SEI_PIC_STRUCT_FRAME_TRIPLING:
- cur->repeat_pict = 4;
- break;
- }
-
- if ((h->sei_ct_type & 3) && h->sei_pic_struct <= SEI_PIC_STRUCT_BOTTOM_TOP)
- cur->interlaced_frame = (h->sei_ct_type & (1<<1)) != 0;
- }else{
- /* Derive interlacing flag from used decoding process. */
- cur->interlaced_frame = FIELD_OR_MBAFF_PICTURE;
- }
- h->prev_interlaced_frame = cur->interlaced_frame;
-
- if (cur->field_poc[0] != cur->field_poc[1]){
- /* Derive top_field_first from field pocs. */
- cur->top_field_first = cur->field_poc[0] < cur->field_poc[1];
- }else{
- if(cur->interlaced_frame || h->sps.pic_struct_present_flag){
- /* Use picture timing SEI information. Even if it is a information of a past frame, better than nothing. */
- if(h->sei_pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM
- || h->sei_pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM_TOP)
- cur->top_field_first = 1;
- else
- cur->top_field_first = 0;
- }else{
- /* Most likely progressive */
- cur->top_field_first = 0;
- }
- }
-
- //FIXME do something with unavailable reference frames
-
- /* Sort B-frames into display order */
-
- if(h->sps.bitstream_restriction_flag
- && s->avctx->has_b_frames < h->sps.num_reorder_frames){
- s->avctx->has_b_frames = h->sps.num_reorder_frames;
- s->low_delay = 0;
- }
-
- if( s->avctx->strict_std_compliance >= FF_COMPLIANCE_STRICT
- && !h->sps.bitstream_restriction_flag){
- s->avctx->has_b_frames= MAX_DELAYED_PIC_COUNT;
- s->low_delay= 0;
- }
-
- pics = 0;
- while(h->delayed_pic[pics]) pics++;
-
- assert(pics <= MAX_DELAYED_PIC_COUNT);
-
- h->delayed_pic[pics++] = cur;
- if(cur->reference == 0)
- cur->reference = DELAYED_PIC_REF;
-
- out = h->delayed_pic[0];
- out_idx = 0;
- for(i=1; h->delayed_pic[i] && !h->delayed_pic[i]->key_frame && !h->delayed_pic[i]->mmco_reset; i++)
- if(h->delayed_pic[i]->poc < out->poc){
- out = h->delayed_pic[i];
- out_idx = i;
- }
- if(s->avctx->has_b_frames == 0 && (h->delayed_pic[0]->key_frame || h->delayed_pic[0]->mmco_reset))
- h->outputed_poc= INT_MIN;
- out_of_order = out->poc < h->outputed_poc;
-
- if(h->sps.bitstream_restriction_flag && s->avctx->has_b_frames >= h->sps.num_reorder_frames)
- { }
- else if((out_of_order && pics-1 == s->avctx->has_b_frames && s->avctx->has_b_frames < MAX_DELAYED_PIC_COUNT)
- || (s->low_delay &&
- ((h->outputed_poc != INT_MIN && out->poc > h->outputed_poc + 2)
- || cur->pict_type == FF_B_TYPE)))
- {
- s->low_delay = 0;
- s->avctx->has_b_frames++;
- }
-
- if(out_of_order || pics > s->avctx->has_b_frames){
- out->reference &= ~DELAYED_PIC_REF;
- for(i=out_idx; h->delayed_pic[i]; i++)
- h->delayed_pic[i] = h->delayed_pic[i+1];
- }
- if(!out_of_order && pics > s->avctx->has_b_frames){
- *data_size = sizeof(AVFrame);
-
- if(out_idx==0 && h->delayed_pic[0] && (h->delayed_pic[0]->key_frame || h->delayed_pic[0]->mmco_reset)) {
- h->outputed_poc = INT_MIN;
- } else
- h->outputed_poc = out->poc;
- *pict= *(AVFrame*)out;
- }else{
- av_log(avctx, AV_LOG_DEBUG, "no picture\n");
- }
- }
- }
-
- assert(pict->data[0] || !*data_size);
- ff_print_debug_info(s, pict);
-//printf("out %d\n", (int)pict->data[0]);
-
- return get_consumed_bytes(s, buf_index, buf_size);
-}
-#if 0
-static inline void fill_mb_avail(H264Context *h){
- MpegEncContext * const s = &h->s;
- const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-
- if(s->mb_y){
- h->mb_avail[0]= s->mb_x && h->slice_table[mb_xy - s->mb_stride - 1] == h->slice_num;
- h->mb_avail[1]= h->slice_table[mb_xy - s->mb_stride ] == h->slice_num;
- h->mb_avail[2]= s->mb_x+1 < s->mb_width && h->slice_table[mb_xy - s->mb_stride + 1] == h->slice_num;
- }else{
- h->mb_avail[0]=
- h->mb_avail[1]=
- h->mb_avail[2]= 0;
- }
- h->mb_avail[3]= s->mb_x && h->slice_table[mb_xy - 1] == h->slice_num;
- h->mb_avail[4]= 1; //FIXME move out
- h->mb_avail[5]= 0; //FIXME move out
-}
-#endif
-
-#ifdef TEST
-#undef printf
-#undef random
-#define COUNT 8000
-#define SIZE (COUNT*40)
-int main(void){
- int i;
- uint8_t temp[SIZE];
- PutBitContext pb;
- GetBitContext gb;
-// int int_temp[10000];
- DSPContext dsp;
- AVCodecContext avctx;
-
- dsputil_init(&dsp, &avctx);
-
- init_put_bits(&pb, temp, SIZE);
- printf("testing unsigned exp golomb\n");
- for(i=0; i<COUNT; i++){
- START_TIMER
- set_ue_golomb(&pb, i);
- STOP_TIMER("set_ue_golomb");
- }
- flush_put_bits(&pb);
-
- init_get_bits(&gb, temp, 8*SIZE);
- for(i=0; i<COUNT; i++){
- int j, s;
-
- s= show_bits(&gb, 24);
-
- START_TIMER
- j= get_ue_golomb(&gb);
- if(j != i){
- printf("mismatch! at %d (%d should be %d) bits:%6X\n", i, j, i, s);
-// return -1;
- }
- STOP_TIMER("get_ue_golomb");
- }
-
-
- init_put_bits(&pb, temp, SIZE);
- printf("testing signed exp golomb\n");
- for(i=0; i<COUNT; i++){
- START_TIMER
- set_se_golomb(&pb, i - COUNT/2);
- STOP_TIMER("set_se_golomb");
- }
- flush_put_bits(&pb);
-
- init_get_bits(&gb, temp, 8*SIZE);
- for(i=0; i<COUNT; i++){
- int j, s;
-
- s= show_bits(&gb, 24);
-
- START_TIMER
- j= get_se_golomb(&gb);
- if(j != i - COUNT/2){
- printf("mismatch! at %d (%d should be %d) bits:%6X\n", i, j, i, s);
-// return -1;
- }
- STOP_TIMER("get_se_golomb");
- }
-
-#if 0
- printf("testing 4x4 (I)DCT\n");
-
- DCTELEM block[16];
- uint8_t src[16], ref[16];
- uint64_t error= 0, max_error=0;
-
- for(i=0; i<COUNT; i++){
- int j;
-// printf("%d %d %d\n", r1, r2, (r2-r1)*16);
- for(j=0; j<16; j++){
- ref[j]= random()%255;
- src[j]= random()%255;
- }
-
- h264_diff_dct_c(block, src, ref, 4);
-
- //normalize
- for(j=0; j<16; j++){
-// printf("%d ", block[j]);
- block[j]= block[j]*4;
- if(j&1) block[j]= (block[j]*4 + 2)/5;
- if(j&4) block[j]= (block[j]*4 + 2)/5;
- }
-// printf("\n");
-
- s->dsp.h264_idct_add(ref, block, 4);
-/* for(j=0; j<16; j++){
- printf("%d ", ref[j]);
- }
- printf("\n");*/
-
- for(j=0; j<16; j++){
- int diff= FFABS(src[j] - ref[j]);
-
- error+= diff*diff;
- max_error= FFMAX(max_error, diff);
- }
- }
- printf("error=%f max_error=%d\n", ((float)error)/COUNT/16, (int)max_error );
- printf("testing quantizer\n");
- for(qp=0; qp<52; qp++){
- for(i=0; i<16; i++)
- src1_block[i]= src2_block[i]= random()%255;
-
- }
- printf("Testing NAL layer\n");
-
- uint8_t bitstream[COUNT];
- uint8_t nal[COUNT*2];
- H264Context h;
- memset(&h, 0, sizeof(H264Context));
-
- for(i=0; i<COUNT; i++){
- int zeros= i;
- int nal_length;
- int consumed;
- int out_length;
- uint8_t *out;
- int j;
-
- for(j=0; j<COUNT; j++){
- bitstream[j]= (random() % 255) + 1;
- }
-
- for(j=0; j<zeros; j++){
- int pos= random() % COUNT;
- while(bitstream[pos] == 0){
- pos++;
- pos %= COUNT;
- }
- bitstream[pos]=0;
- }
-
- START_TIMER
-
- nal_length= encode_nal(&h, nal, bitstream, COUNT, COUNT*2);
- if(nal_length<0){
- printf("encoding failed\n");
- return -1;
- }
-
- out= ff_h264_decode_nal(&h, nal, &out_length, &consumed, nal_length);
-
- STOP_TIMER("NAL")
-
- if(out_length != COUNT){
- printf("incorrect length %d %d\n", out_length, COUNT);
- return -1;
- }
-
- if(consumed != nal_length){
- printf("incorrect consumed length %d %d\n", nal_length, consumed);
- return -1;
- }
-
- if(memcmp(bitstream, out, COUNT)){
- printf("mismatch\n");
- return -1;
- }
- }
-#endif
-
- printf("Testing RBSP\n");
-
-
- return 0;
-}
-#endif /* TEST */
-
-
-av_cold void ff_h264_free_context(H264Context *h)
-{
- int i;
-
- free_tables(h); //FIXME cleanup init stuff perhaps
-
- for(i = 0; i < MAX_SPS_COUNT; i++)
- av_freep(h->sps_buffers + i);
-
- for(i = 0; i < MAX_PPS_COUNT; i++)
- av_freep(h->pps_buffers + i);
-}
-
-av_cold int ff_h264_decode_end(AVCodecContext *avctx)
-{
- H264Context *h = avctx->priv_data;
- MpegEncContext *s = &h->s;
-
- ff_h264_free_context(h);
-
- MPV_common_end(s);
-
-// memset(h, 0, sizeof(H264Context));
-
- return 0;
-}
-
-
-AVCodec h264_decoder = {
- "h264",
- CODEC_TYPE_VIDEO,
- CODEC_ID_H264,
- sizeof(H264Context),
- ff_h264_decode_init,
- NULL,
- ff_h264_decode_end,
- decode_frame,
- /*CODEC_CAP_DRAW_HORIZ_BAND |*/ CODEC_CAP_DR1 | CODEC_CAP_DELAY,
- .flush= flush_dpb,
- .long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
- .pix_fmts= ff_hwaccel_pixfmt_list_420,
-};
-
-#if CONFIG_H264_VDPAU_DECODER
-AVCodec h264_vdpau_decoder = {
- "h264_vdpau",
- CODEC_TYPE_VIDEO,
- CODEC_ID_H264,
- sizeof(H264Context),
- ff_h264_decode_init,
- NULL,
- ff_h264_decode_end,
- decode_frame,
- CODEC_CAP_DR1 | CODEC_CAP_DELAY | CODEC_CAP_HWACCEL_VDPAU,
- .flush= flush_dpb,
- .long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (VDPAU acceleration)"),
- .pix_fmts = (const enum PixelFormat[]){PIX_FMT_VDPAU_H264, PIX_FMT_NONE},
-};
-#endif
Modified: trunk/libavcodec/h264data.h
==============================================================================
--- trunk/libavcodec/h264data.h Wed Jan 13 03:17:16 2010 (r21180)
+++ trunk/libavcodec/h264data.h Wed Jan 13 03:35:36 2010 (r21181)
@@ -259,646 +259,4 @@ static const uint8_t dequant8_coeff_init
{36,32,58,34,46,43},
};
-/* Cabac pre state table */
-
-static const int8_t cabac_context_init_I[460][2] =
-{
- /* 0 - 10 */
- { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
- { 2, 54 }, { 3, 74 }, { -28,127 }, { -23, 104 },
- { -6, 53 }, { -1, 54 }, { 7, 51 },
-
- /* 11 - 23 unsused for I */
- { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
- { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
- { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
- { 0, 0 },
-
- /* 24- 39 */
- { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
- { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
- { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
- { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
-
- /* 40 - 53 */
- { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
- { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
- { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
- { 0, 0 }, { 0, 0 },
-
- /* 54 - 59 */
- { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
- { 0, 0 }, { 0, 0 },
-
- /* 60 - 69 */
- { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
- { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
- { 13, 41 }, { 3, 62 },
-
- /* 70 -> 87 */
- { 0, 11 }, { 1, 55 }, { 0, 69 }, { -17, 127 },
- { -13, 102 },{ 0, 82 }, { -7, 74 }, { -21, 107 },
- { -27, 127 },{ -31, 127 },{ -24, 127 }, { -18, 95 },
- { -27, 127 },{ -21, 114 },{ -30, 127 }, { -17, 123 },
- { -12, 115 },{ -16, 122 },
-
- /* 88 -> 104 */
- { -11, 115 },{ -12, 63 }, { -2, 68 }, { -15, 84 },
- { -13, 104 },{ -3, 70 }, { -8, 93 }, { -10, 90 },
- { -30, 127 },{ -1, 74 }, { -6, 97 }, { -7, 91 },
- { -20, 127 },{ -4, 56 }, { -5, 82 }, { -7, 76 },
- { -22, 125 },
-
- /* 105 -> 135 */
- { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
- { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
- { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
- { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
- { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
- { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
- { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
- { 14, 62 }, { -13, 108 },{ -15, 100 },
-
- /* 136 -> 165 */
- { -13, 101 },{ -13, 91 }, { -12, 94 }, { -10, 88 },
- { -16, 84 }, { -10, 86 }, { -7, 83 }, { -13, 87 },
- { -19, 94 }, { 1, 70 }, { 0, 72 }, { -5, 74 },
- { 18, 59 }, { -8, 102 }, { -15, 100 }, { 0, 95 },
- { -4, 75 }, { 2, 72 }, { -11, 75 }, { -3, 71 },
- { 15, 46 }, { -13, 69 }, { 0, 62 }, { 0, 65 },
- { 21, 37 }, { -15, 72 }, { 9, 57 }, { 16, 54 },
- { 0, 62 }, { 12, 72 },
-
- /* 166 -> 196 */
- { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
- { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
- { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
- { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
- { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
- { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
- { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
- { 0, 89 }, { 26, -19 }, { 22, -17 },
-
- /* 197 -> 226 */
- { 26, -17 }, { 30, -25 }, { 28, -20 }, { 33, -23 },
- { 37, -27 }, { 33, -23 }, { 40, -28 }, { 38, -17 },
- { 33, -11 }, { 40, -15 }, { 41, -6 }, { 38, 1 },
- { 41, 17 }, { 30, -6 }, { 27, 3 }, { 26, 22 },
- { 37, -16 }, { 35, -4 }, { 38, -8 }, { 38, -3 },
- { 37, 3 }, { 38, 5 }, { 42, 0 }, { 35, 16 },
- { 39, 22 }, { 14, 48 }, { 27, 37 }, { 21, 60 },
- { 12, 68 }, { 2, 97 },
-
- /* 227 -> 251 */
- { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 },
- { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 },
- { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 },
- { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 },
- { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 },
- { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 },
- { -4, 65 },
-
- /* 252 -> 275 */
- { -12, 73 }, { -8, 76 }, { -7, 80 }, { -9, 88 },
- { -17, 110 },{ -11, 97 }, { -20, 84 }, { -11, 79 },
- { -6, 73 }, { -4, 74 }, { -13, 86 }, { -13, 96 },
- { -11, 97 }, { -19, 117 },{ -8, 78 }, { -5, 33 },
- { -4, 48 }, { -2, 53 }, { -3, 62 }, { -13, 71 },
- { -10, 79 }, { -12, 86 }, { -13, 90 }, { -14, 97 },
-
- /* 276 a bit special (not used, bypass is used instead) */
- { 0, 0 },
-
- /* 277 -> 307 */
- { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
- { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
- { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
- { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
- { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
- { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
- { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
- { 9, 64 }, { -12, 104 },{ -11, 97 },
-
- /* 308 -> 337 */
- { -16, 96 }, { -7, 88 }, { -8, 85 }, { -7, 85 },
- { -9, 85 }, { -13, 88 }, { 4, 66 }, { -3, 77 },
- { -3, 76 }, { -6, 76 }, { 10, 58 }, { -1, 76 },
- { -1, 83 }, { -7, 99 }, { -14, 95 }, { 2, 95 },
- { 0, 76 }, { -5, 74 }, { 0, 70 }, { -11, 75 },
- { 1, 68 }, { 0, 65 }, { -14, 73 }, { 3, 62 },
- { 4, 62 }, { -1, 68 }, { -13, 75 }, { 11, 55 },
- { 5, 64 }, { 12, 70 },
-
- /* 338 -> 368 */
- { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
- { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
- { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
- { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
- { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
- { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
- { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
- { -12, 109 },{ 36, -35 }, { 36, -34 },
-
- /* 369 -> 398 */
- { 32, -26 }, { 37, -30 }, { 44, -32 }, { 34, -18 },
- { 34, -15 }, { 40, -15 }, { 33, -7 }, { 35, -5 },
- { 33, 0 }, { 38, 2 }, { 33, 13 }, { 23, 35 },
- { 13, 58 }, { 29, -3 }, { 26, 0 }, { 22, 30 },
- { 31, -7 }, { 35, -15 }, { 34, -3 }, { 34, 3 },
- { 36, -1 }, { 34, 5 }, { 32, 11 }, { 35, 5 },
- { 34, 12 }, { 39, 11 }, { 30, 29 }, { 34, 26 },
- { 29, 39 }, { 19, 66 },
-
- /* 399 -> 435 */
- { 31, 21 }, { 31, 31 }, { 25, 50 },
- { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 },
- { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 },
- { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 },
- { -23, 68 }, { -24, 50 }, { -11, 74 }, { 23, -13 },
- { 26, -13 }, { 40, -15 }, { 49, -14 }, { 44, 3 },
- { 45, 6 }, { 44, 34 }, { 33, 54 }, { 19, 82 },
- { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 },
- { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 },
- { 0, 68 }, { -9, 92 },
-
- /* 436 -> 459 */
- { -14, 106 }, { -13, 97 }, { -15, 90 }, { -12, 90 },
- { -18, 88 }, { -10, 73 }, { -9, 79 }, { -14, 86 },
- { -10, 73 }, { -10, 70 }, { -10, 69 }, { -5, 66 },
- { -9, 64 }, { -5, 58 }, { 2, 59 }, { 21, -10 },
- { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 },
- { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 }
-};
-
-static const int8_t cabac_context_init_PB[3][460][2] =
-{
- /* i_cabac_init_idc == 0 */
- {
- /* 0 - 10 */
- { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
- { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
- { -6, 53 }, { -1, 54 }, { 7, 51 },
-
- /* 11 - 23 */
- { 23, 33 }, { 23, 2 }, { 21, 0 }, { 1, 9 },
- { 0, 49 }, { -37, 118 }, { 5, 57 }, { -13, 78 },
- { -11, 65 }, { 1, 62 }, { 12, 49 }, { -4, 73 },
- { 17, 50 },
-
- /* 24 - 39 */
- { 18, 64 }, { 9, 43 }, { 29, 0 }, { 26, 67 },
- { 16, 90 }, { 9, 104 }, { -46, 127 }, { -20, 104 },
- { 1, 67 }, { -13, 78 }, { -11, 65 }, { 1, 62 },
- { -6, 86 }, { -17, 95 }, { -6, 61 }, { 9, 45 },
-
- /* 40 - 53 */
- { -3, 69 }, { -6, 81 }, { -11, 96 }, { 6, 55 },
- { 7, 67 }, { -5, 86 }, { 2, 88 }, { 0, 58 },
- { -3, 76 }, { -10, 94 }, { 5, 54 }, { 4, 69 },
- { -3, 81 }, { 0, 88 },
-
- /* 54 - 59 */
- { -7, 67 }, { -5, 74 }, { -4, 74 }, { -5, 80 },
- { -7, 72 }, { 1, 58 },
-
- /* 60 - 69 */
- { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
- { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
- { 13, 41 }, { 3, 62 },
-
- /* 70 - 87 */
- { 0, 45 }, { -4, 78 }, { -3, 96 }, { -27, 126 },
- { -28, 98 }, { -25, 101 }, { -23, 67 }, { -28, 82 },
- { -20, 94 }, { -16, 83 }, { -22, 110 }, { -21, 91 },
- { -18, 102 }, { -13, 93 }, { -29, 127 }, { -7, 92 },
- { -5, 89 }, { -7, 96 }, { -13, 108 }, { -3, 46 },
- { -1, 65 }, { -1, 57 }, { -9, 93 }, { -3, 74 },
- { -9, 92 }, { -8, 87 }, { -23, 126 }, { 5, 54 },
- { 6, 60 }, { 6, 59 }, { 6, 69 }, { -1, 48 },
- { 0, 68 }, { -4, 69 }, { -8, 88 },
-
- /* 105 -> 165 */
- { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
- { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
- { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
- { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
- { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
- { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
- { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
- { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
- { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
- { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
- { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
- { 3, 64 }, { 1, 61 }, { 9, 63 }, { 7, 50 },
- { 16, 39 }, { 5, 44 }, { 4, 52 }, { 11, 48 },
- { -5, 60 }, { -1, 59 }, { 0, 59 }, { 22, 33 },
- { 5, 44 }, { 14, 43 }, { -1, 78 }, { 0, 60 },
- { 9, 69 },
-
- /* 166 - 226 */
- { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
- { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
- { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
- { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
- { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
- { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
- { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
- { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
- { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
- { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
- { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
- { 1, 67 }, { 5, 59 }, { 9, 67 }, { 16, 30 },
- { 18, 32 }, { 18, 35 }, { 22, 29 }, { 24, 31 },
- { 23, 38 }, { 18, 43 }, { 20, 41 }, { 11, 63 },
- { 9, 59 }, { 9, 64 }, { -1, 94 }, { -2, 89 },
- { -9, 108 },
-
- /* 227 - 275 */
- { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 },
- { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 },
- { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 },
- { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 },
- { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 },
- { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 },
- { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 },
- { -3, 74 }, { -10, 90 }, { 0, 70 }, { -4, 29 },
- { 5, 31 }, { 7, 42 }, { 1, 59 }, { -2, 58 },
- { -3, 72 }, { -3, 81 }, { -11, 97 }, { 0, 58 },
- { 8, 5 }, { 10, 14 }, { 14, 18 }, { 13, 27 },
- { 2, 40 }, { 0, 58 }, { -3, 70 }, { -6, 79 },
- { -8, 85 },
-
- /* 276 a bit special (not used, bypass is used instead) */
- { 0, 0 },
-
- /* 277 - 337 */
- { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
- { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
- { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
- { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
- { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
- { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
- { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
- { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
- { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
- { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
- { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
- { -2, 69 }, { -2, 59 }, { 6, 70 }, { 10, 44 },
- { 9, 31 }, { 12, 43 }, { 3, 53 }, { 14, 34 },
- { 10, 38 }, { -3, 52 }, { 13, 40 }, { 17, 32 },
- { 7, 44 }, { 7, 38 }, { 13, 50 }, { 10, 57 },
- { 26, 43 },
-
- /* 338 - 398 */
- { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
- { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
- { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
- { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
- { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
- { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
- { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
- { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
- { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
- { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
- { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
- { 8, 60 }, { 6, 63 }, { 17, 65 }, { 21, 24 },
- { 23, 20 }, { 26, 23 }, { 27, 32 }, { 28, 23 },
- { 28, 24 }, { 23, 40 }, { 24, 32 }, { 28, 29 },
- { 23, 42 }, { 19, 57 }, { 22, 53 }, { 22, 61 },
- { 11, 86 },
-
- /* 399 - 435 */
- { 12, 40 }, { 11, 51 }, { 14, 59 },
- { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 },
- { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 },
- { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 },
- { -16, 66 }, { -22, 65 }, { -20, 63 }, { 9, -2 },
- { 26, -9 }, { 33, -9 }, { 39, -7 }, { 41, -2 },
- { 45, 3 }, { 49, 9 }, { 45, 27 }, { 36, 59 },
- { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 },
- { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 },
- { -8, 66 }, { -8, 76 },
-
- /* 436 - 459 */
- { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
- { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
- { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
- { -14, 66 }, { 0, 59 }, { 2, 59 }, { 21, -13 },
- { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 },
- { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 },
- },
-
- /* i_cabac_init_idc == 1 */
- {
- /* 0 - 10 */
- { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
- { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
- { -6, 53 }, { -1, 54 }, { 7, 51 },
-
- /* 11 - 23 */
- { 22, 25 }, { 34, 0 }, { 16, 0 }, { -2, 9 },
- { 4, 41 }, { -29, 118 }, { 2, 65 }, { -6, 71 },
- { -13, 79 }, { 5, 52 }, { 9, 50 }, { -3, 70 },
- { 10, 54 },
-
- /* 24 - 39 */
- { 26, 34 }, { 19, 22 }, { 40, 0 }, { 57, 2 },
- { 41, 36 }, { 26, 69 }, { -45, 127 }, { -15, 101 },
- { -4, 76 }, { -6, 71 }, { -13, 79 }, { 5, 52 },
- { 6, 69 }, { -13, 90 }, { 0, 52 }, { 8, 43 },
-
- /* 40 - 53 */
- { -2, 69 },{ -5, 82 },{ -10, 96 },{ 2, 59 },
- { 2, 75 },{ -3, 87 },{ -3, 100 },{ 1, 56 },
- { -3, 74 },{ -6, 85 },{ 0, 59 },{ -3, 81 },
- { -7, 86 },{ -5, 95 },
-
- /* 54 - 59 */
- { -1, 66 },{ -1, 77 },{ 1, 70 },{ -2, 86 },
- { -5, 72 },{ 0, 61 },
-
- /* 60 - 69 */
- { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
- { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
- { 13, 41 }, { 3, 62 },
-
- /* 70 - 104 */
- { 13, 15 }, { 7, 51 }, { 2, 80 }, { -39, 127 },
- { -18, 91 }, { -17, 96 }, { -26, 81 }, { -35, 98 },
- { -24, 102 }, { -23, 97 }, { -27, 119 }, { -24, 99 },
- { -21, 110 }, { -18, 102 }, { -36, 127 }, { 0, 80 },
- { -5, 89 }, { -7, 94 }, { -4, 92 }, { 0, 39 },
- { 0, 65 }, { -15, 84 }, { -35, 127 }, { -2, 73 },
- { -12, 104 }, { -9, 91 }, { -31, 127 }, { 3, 55 },
- { 7, 56 }, { 7, 55 }, { 8, 61 }, { -3, 53 },
- { 0, 68 }, { -7, 74 }, { -9, 88 },
-
- /* 105 -> 165 */
- { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
- { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
- { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
- { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
- { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
- { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
- { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
- { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
- { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
- { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
- { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
- { -4, 71 }, { 0, 58 }, { 7, 61 }, { 9, 41 },
- { 18, 25 }, { 9, 32 }, { 5, 43 }, { 9, 47 },
- { 0, 44 }, { 0, 51 }, { 2, 46 }, { 19, 38 },
- { -4, 66 }, { 15, 38 }, { 12, 42 }, { 9, 34 },
- { 0, 89 },
-
- /* 166 - 226 */
- { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
- { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
- { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
- { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
- { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
- { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
- { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
- { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
- { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
- { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
- { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
- { 0, 75 }, { 2, 72 }, { 8, 77 }, { 14, 35 },
- { 18, 31 }, { 17, 35 }, { 21, 30 }, { 17, 45 },
- { 20, 42 }, { 18, 45 }, { 27, 26 }, { 16, 54 },
- { 7, 66 }, { 16, 56 }, { 11, 73 }, { 10, 67 },
- { -10, 116 },
-
- /* 227 - 275 */
- { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 },
- { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 },
- { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 },
- { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 },
- { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },
- { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 },
- { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 },
- { -5, 74 }, { -9, 86 }, { 2, 66 }, { -9, 34 },
- { 1, 32 }, { 11, 31 }, { 5, 52 }, { -2, 55 },
- { -2, 67 }, { 0, 73 }, { -8, 89 }, { 3, 52 },
- { 7, 4 }, { 10, 8 }, { 17, 8 }, { 16, 19 },
- { 3, 37 }, { -1, 61 }, { -5, 73 }, { -1, 70 },
- { -4, 78 },
-
- /* 276 a bit special (not used, bypass is used instead) */
- { 0, 0 },
-
- /* 277 - 337 */
- { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
- { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
- { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
- { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
- { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
- { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
- { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
- { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
- { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
- { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
- { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
- { -1, 70 }, { -9, 72 }, { 14, 60 }, { 16, 37 },
- { 0, 47 }, { 18, 35 }, { 11, 37 }, { 12, 41 },
- { 10, 41 }, { 2, 48 }, { 12, 41 }, { 13, 41 },
- { 0, 59 }, { 3, 50 }, { 19, 40 }, { 3, 66 },
- { 18, 50 },
-
- /* 338 - 398 */
- { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
- { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
- { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
- { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
- { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
- { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
- { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
- { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
- { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
- { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
- { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
- { 12, 48 }, { 11, 49 }, { 26, 45 }, { 22, 22 },
- { 23, 22 }, { 27, 21 }, { 33, 20 }, { 26, 28 },
- { 30, 24 }, { 27, 34 }, { 18, 42 }, { 25, 39 },
- { 18, 50 }, { 12, 70 }, { 21, 54 }, { 14, 71 },
- { 11, 83 },
-
- /* 399 - 435 */
- { 25, 32 }, { 21, 49 }, { 21, 54 },
- { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
- { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
- { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
- { -14, 66 }, { 0, 59 }, { 2, 59 }, { 17, -10 },
- { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
- { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
- { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 },
- { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 },
- { -4, 67 }, { -7, 82 },
-
- /* 436 - 459 */
- { -3, 81 }, { -3, 76 }, { -7, 72 }, { -6, 78 },
- { -12, 72 }, { -14, 68 }, { -3, 70 }, { -6, 76 },
- { -5, 66 }, { -5, 62 }, { 0, 57 }, { -4, 61 },
- { -9, 60 }, { 1, 54 }, { 2, 58 }, { 17, -10 },
- { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
- { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
- },
-
- /* i_cabac_init_idc == 2 */
- {
- /* 0 - 10 */
- { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
- { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
- { -6, 53 }, { -1, 54 }, { 7, 51 },
-
- /* 11 - 23 */
- { 29, 16 }, { 25, 0 }, { 14, 0 }, { -10, 51 },
- { -3, 62 }, { -27, 99 }, { 26, 16 }, { -4, 85 },
- { -24, 102 }, { 5, 57 }, { 6, 57 }, { -17, 73 },
- { 14, 57 },
-
- /* 24 - 39 */
- { 20, 40 }, { 20, 10 }, { 29, 0 }, { 54, 0 },
- { 37, 42 }, { 12, 97 }, { -32, 127 }, { -22, 117 },
- { -2, 74 }, { -4, 85 }, { -24, 102 }, { 5, 57 },
- { -6, 93 }, { -14, 88 }, { -6, 44 }, { 4, 55 },
-
- /* 40 - 53 */
- { -11, 89 },{ -15, 103 },{ -21, 116 },{ 19, 57 },
- { 20, 58 },{ 4, 84 },{ 6, 96 },{ 1, 63 },
- { -5, 85 },{ -13, 106 },{ 5, 63 },{ 6, 75 },
- { -3, 90 },{ -1, 101 },
-
- /* 54 - 59 */
- { 3, 55 },{ -4, 79 },{ -2, 75 },{ -12, 97 },
- { -7, 50 },{ 1, 60 },
-
- /* 60 - 69 */
- { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
- { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
- { 13, 41 }, { 3, 62 },
-
- /* 70 - 104 */
- { 7, 34 }, { -9, 88 }, { -20, 127 }, { -36, 127 },
- { -17, 91 }, { -14, 95 }, { -25, 84 }, { -25, 86 },
- { -12, 89 }, { -17, 91 }, { -31, 127 }, { -14, 76 },
- { -18, 103 }, { -13, 90 }, { -37, 127 }, { 11, 80 },
- { 5, 76 }, { 2, 84 }, { 5, 78 }, { -6, 55 },
- { 4, 61 }, { -14, 83 }, { -37, 127 }, { -5, 79 },
- { -11, 104 }, { -11, 91 }, { -30, 127 }, { 0, 65 },
- { -2, 79 }, { 0, 72 }, { -4, 92 }, { -6, 56 },
- { 3, 68 }, { -8, 71 }, { -13, 98 },
-
- /* 105 -> 165 */
- { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
- { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
- { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
- { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
- { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
- { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
- { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
- { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
- { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
- { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
- { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
- { 3, 65 }, { -7, 69 }, { 8, 77 }, { -10, 66 },
- { 3, 62 }, { -3, 68 }, { -20, 81 }, { 0, 30 },
- { 1, 7 }, { -3, 23 }, { -21, 74 }, { 16, 66 },
- { -23, 124 }, { 17, 37 }, { 44, -18 }, { 50, -34 },
- { -22, 127 },
-
- /* 166 - 226 */
- { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
- { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
- { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
- { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
- { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
- { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
- { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
- { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
- { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
- { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
- { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
- { 20, 34 }, { 19, 31 }, { 27, 44 }, { 19, 16 },
- { 15, 36 }, { 15, 36 }, { 21, 28 }, { 25, 21 },
- { 30, 20 }, { 31, 12 }, { 27, 16 }, { 24, 42 },
- { 0, 93 }, { 14, 56 }, { 15, 57 }, { 26, 38 },
- { -24, 127 },
-
- /* 227 - 275 */
- { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 },
- { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 },
- { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 },
- { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 },
- { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 },
- { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 },
- { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 },
- { -12, 92 }, { -18, 108 }, { -4, 79 }, { -22, 69 },
- { -16, 75 }, { -2, 58 }, { 1, 58 }, { -13, 78 },
- { -9, 83 }, { -4, 81 }, { -13, 99 }, { -13, 81 },
- { -6, 38 }, { -13, 62 }, { -6, 58 }, { -2, 59 },
- { -16, 73 }, { -10, 76 }, { -13, 86 }, { -9, 83 },
- { -10, 87 },
-
- /* 276 a bit special (not used, bypass is used instead) */
- { 0, 0 },
-
- /* 277 - 337 */
- { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
- { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
- { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
- { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
- { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
- { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
- { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
- { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
- { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
- { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
- { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
- { -2, 76 }, { -18, 86 }, { 12, 70 }, { 5, 64 },
- { -12, 70 }, { 11, 55 }, { 5, 56 }, { 0, 69 },
- { 2, 65 }, { -6, 74 }, { 5, 54 }, { 7, 54 },
- { -6, 76 }, { -11, 82 }, { -2, 77 }, { -2, 77 },
- { 25, 42 },
-
- /* 338 - 398 */
- { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
- { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
- { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
- { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
- { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
- { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
- { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
- { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
- { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
- { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
- { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
- { 18, 31 }, { 19, 26 }, { 36, 24 }, { 24, 23 },
- { 27, 16 }, { 24, 30 }, { 31, 29 }, { 22, 41 },
- { 22, 42 }, { 16, 60 }, { 15, 52 }, { 14, 60 },
- { 3, 78 }, { -16, 123 }, { 21, 53 }, { 22, 56 },
- { 25, 61 },
-
- /* 399 - 435 */
- { 21, 33 }, { 19, 50 }, { 17, 61 },
- { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
- { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
- { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
- { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 },
- { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
- { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
- { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 },
- { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 },
- { -6, 68 }, { -10, 79 },
-
- /* 436 - 459 */
- { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
- { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
- { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
- { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 },
- { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
- { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
- }
-};
-
#endif /* AVCODEC_H264DATA_H */
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