[FFmpeg-cvslog] r22065 - in trunk/libavcodec: error_resilience.c h264.c h264.h h264_direct.c h264_mvpred.h mpegvideo.c
michael
subversion
Fri Feb 26 00:44:42 CET 2010
Author: michael
Date: Fri Feb 26 00:44:42 2010
New Revision: 22065
Log:
Get rid of mb2b8_xy and b8_stride, change arrays organized based on b8_stride to
ones based on mb_stride in h264.
about 20 cpu cycles faster overall per MB
Modified:
trunk/libavcodec/error_resilience.c
trunk/libavcodec/h264.c
trunk/libavcodec/h264.h
trunk/libavcodec/h264_direct.c
trunk/libavcodec/h264_mvpred.h
trunk/libavcodec/mpegvideo.c
Modified: trunk/libavcodec/error_resilience.c
==============================================================================
--- trunk/libavcodec/error_resilience.c Fri Feb 26 00:27:54 2010 (r22064)
+++ trunk/libavcodec/error_resilience.c Fri Feb 26 00:44:42 2010 (r22065)
@@ -692,7 +692,7 @@ void ff_er_frame_end(MpegEncContext *s){
av_log(s->avctx, AV_LOG_ERROR, "Warning MVs not available\n");
for(i=0; i<2; i++){
- pic->ref_index[i]= av_mallocz(size * sizeof(uint8_t));
+ pic->ref_index[i]= av_mallocz(s->mb_stride * s->mb_height * 4 * sizeof(uint8_t));
pic->motion_val_base[i]= av_mallocz((size+4) * 2 * sizeof(uint16_t));
pic->motion_val[i]= pic->motion_val_base[i]+4;
}
Modified: trunk/libavcodec/h264.c
==============================================================================
--- trunk/libavcodec/h264.c Fri Feb 26 00:27:54 2010 (r22064)
+++ trunk/libavcodec/h264.c Fri Feb 26 00:44:42 2010 (r22065)
@@ -661,7 +661,6 @@ static void free_tables(H264Context *h){
av_freep(&h->mb2b_xy);
av_freep(&h->mb2br_xy);
- av_freep(&h->mb2b8_xy);
for(i = 0; i < MAX_THREADS; i++) {
hx = h->thread_context[i];
@@ -764,16 +763,13 @@ int ff_h264_alloc_tables(H264Context *h)
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->mb2br_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->mb2br_xy[mb_xy]= 8*(FMO ? mb_xy : (mb_xy % (2*s->mb_stride)));
- h->mb2b8_xy[mb_xy]= b8_xy;
}
}
@@ -798,7 +794,6 @@ static void clone_tables(H264Context *ds
dst->cbp_table = src->cbp_table;
dst->mb2b_xy = src->mb2b_xy;
dst->mb2br_xy = src->mb2br_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];
@@ -1768,7 +1763,6 @@ static int decode_slice_header(H264Conte
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)
Modified: trunk/libavcodec/h264.h
==============================================================================
--- trunk/libavcodec/h264.h Fri Feb 26 00:27:54 2010 (r22064)
+++ trunk/libavcodec/h264.h Fri Feb 26 00:44:42 2010 (r22065)
@@ -347,9 +347,7 @@ typedef struct H264Context{
uint32_t *mb2b_xy; //FIXME are these 4 a good idea?
uint32_t *mb2br_xy;
- uint32_t *mb2b8_xy;
int b_stride; //FIXME use s->b4_stride
- int b8_stride;
int mb_linesize; ///< may be equal to s->linesize or s->linesize*2, for mbaff
int mb_uvlinesize;
@@ -990,12 +988,11 @@ static void fill_decode_caches(H264Conte
if(USES_LIST(top_type, list)){
const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
- const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride;
AV_COPY128(h->mv_cache[list][scan8[0] + 0 - 1*8], s->current_picture.motion_val[list][b_xy + 0]);
h->ref_cache[list][scan8[0] + 0 - 1*8]=
- h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][b8_xy + 0];
+ h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][4*top_xy + 2];
h->ref_cache[list][scan8[0] + 2 - 1*8]=
- h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][b8_xy + 1];
+ h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][4*top_xy + 3];
}else{
AV_ZERO128(h->mv_cache[list][scan8[0] + 0 - 1*8]);
AV_WN32A(&h->ref_cache[list][scan8[0] + 0 - 1*8], ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101);
@@ -1005,11 +1002,11 @@ static void fill_decode_caches(H264Conte
int cache_idx = scan8[0] - 1 + i*2*8;
if(USES_LIST(left_type[i], list)){
const int b_xy= h->mb2b_xy[left_xy[i]] + 3;
- const int b8_xy= h->mb2b8_xy[left_xy[i]] + 1;
+ const int b8_xy= 4*left_xy[i] + 1;
AV_COPY32(h->mv_cache[list][cache_idx ], s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0+i*2]]);
AV_COPY32(h->mv_cache[list][cache_idx+8], s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1+i*2]]);
- h->ref_cache[list][cache_idx ]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0+i*2]>>1)];
- h->ref_cache[list][cache_idx+8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[1+i*2]>>1)];
+ h->ref_cache[list][cache_idx ]= s->current_picture.ref_index[list][b8_xy + (left_block[0+i*2]&~1)];
+ h->ref_cache[list][cache_idx+8]= s->current_picture.ref_index[list][b8_xy + (left_block[1+i*2]&~1)];
}else{
AV_ZERO32(h->mv_cache [list][cache_idx ]);
AV_ZERO32(h->mv_cache [list][cache_idx+8]);
@@ -1020,7 +1017,7 @@ static void fill_decode_caches(H264Conte
if(USES_LIST(topleft_type, list)){
const int b_xy = h->mb2b_xy [topleft_xy] + 3 + h->b_stride + (h->topleft_partition & 2*h->b_stride);
- const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + (h->topleft_partition & h->b8_stride);
+ const int b8_xy= 4*topleft_xy + 1 + (h->topleft_partition & 2);
AV_COPY32(h->mv_cache[list][scan8[0] - 1 - 1*8], s->current_picture.motion_val[list][b_xy]);
h->ref_cache[list][scan8[0] - 1 - 1*8]= s->current_picture.ref_index[list][b8_xy];
}else{
@@ -1030,9 +1027,8 @@ static void fill_decode_caches(H264Conte
if(USES_LIST(topright_type, list)){
const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride;
- const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride;
AV_COPY32(h->mv_cache[list][scan8[0] + 4 - 1*8], s->current_picture.motion_val[list][b_xy]);
- h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][b8_xy];
+ h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][4*topright_xy + 2];
}else{
AV_ZERO32(h->mv_cache [list][scan8[0] + 4 - 1*8]);
h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
@@ -1241,12 +1237,12 @@ static int fill_filter_caches(H264Contex
continue;
}
- ref = &s->current_picture.ref_index[list][h->mb2b8_xy[mb_xy]];
+ ref = &s->current_picture.ref_index[list][4*mb_xy];
{
int (*ref2frm)[64] = h->ref2frm[ h->slice_num&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
AV_WN32A(&h->ref_cache[list][scan8[ 0]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101);
AV_WN32A(&h->ref_cache[list][scan8[ 2]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101);
- ref += h->b8_stride;
+ ref += 2;
AV_WN32A(&h->ref_cache[list][scan8[ 8]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101);
AV_WN32A(&h->ref_cache[list][scan8[10]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101);
}
@@ -1319,7 +1315,7 @@ static int fill_filter_caches(H264Contex
for(list=0; list<h->list_count; list++){
if(USES_LIST(top_type, list)){
const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
- const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride;
+ const int b8_xy= 4*top_xy + 2;
int (*ref2frm)[64] = h->ref2frm[ h->slice_table[top_xy]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
AV_COPY128(h->mv_cache[list][scan8[0] + 0 - 1*8], s->current_picture.motion_val[list][b_xy + 0]);
h->ref_cache[list][scan8[0] + 0 - 1*8]=
@@ -1334,16 +1330,16 @@ static int fill_filter_caches(H264Contex
if(!IS_INTERLACED(mb_type^left_type[0])){
if(USES_LIST(left_type[0], list)){
const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
- const int b8_xy= h->mb2b8_xy[left_xy[0]] + 1;
+ const int b8_xy= 4*left_xy[0] + 1;
int (*ref2frm)[64] = h->ref2frm[ h->slice_table[left_xy[0]]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
AV_COPY32(h->mv_cache[list][scan8[0] - 1 + 0 ], s->current_picture.motion_val[list][b_xy + h->b_stride*0]);
AV_COPY32(h->mv_cache[list][scan8[0] - 1 + 8 ], s->current_picture.motion_val[list][b_xy + h->b_stride*1]);
AV_COPY32(h->mv_cache[list][scan8[0] - 1 +16 ], s->current_picture.motion_val[list][b_xy + h->b_stride*2]);
AV_COPY32(h->mv_cache[list][scan8[0] - 1 +24 ], s->current_picture.motion_val[list][b_xy + h->b_stride*3]);
h->ref_cache[list][scan8[0] - 1 + 0 ]=
- h->ref_cache[list][scan8[0] - 1 + 8 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + h->b8_stride*0]];
+ h->ref_cache[list][scan8[0] - 1 + 8 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 2*0]];
h->ref_cache[list][scan8[0] - 1 +16 ]=
- h->ref_cache[list][scan8[0] - 1 +24 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + h->b8_stride*1]];
+ h->ref_cache[list][scan8[0] - 1 +24 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 2*1]];
}else{
AV_ZERO32(h->mv_cache [list][scan8[0] - 1 + 0 ]);
AV_ZERO32(h->mv_cache [list][scan8[0] - 1 + 8 ]);
@@ -1388,12 +1384,12 @@ static inline void write_back_non_zero_c
static inline void write_back_motion(H264Context *h, int mb_type){
MpegEncContext * const s = &h->s;
- const int b_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
- const int b8_xy= 2*s->mb_x + 2*s->mb_y*h->b8_stride;
+ const int b_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride; //try mb2b(8)_xy
+ const int b8_xy= 4*h->mb_xy;
int list;
if(!USES_LIST(mb_type, 0))
- fill_rectangle(&s->current_picture.ref_index[0][b8_xy], 2, 2, h->b8_stride, (uint8_t)LIST_NOT_USED, 1);
+ fill_rectangle(&s->current_picture.ref_index[0][b8_xy], 2, 2, 2, (uint8_t)LIST_NOT_USED, 1);
for(list=0; list<h->list_count; list++){
int y, b_stride;
@@ -1424,10 +1420,10 @@ static inline void write_back_motion(H26
{
int8_t *ref_index = &s->current_picture.ref_index[list][b8_xy];
- ref_index[0+0*h->b8_stride]= h->ref_cache[list][scan8[0]];
- ref_index[1+0*h->b8_stride]= h->ref_cache[list][scan8[4]];
- ref_index[0+1*h->b8_stride]= h->ref_cache[list][scan8[8]];
- ref_index[1+1*h->b8_stride]= h->ref_cache[list][scan8[12]];
+ ref_index[0+0*2]= h->ref_cache[list][scan8[0]];
+ ref_index[1+0*2]= h->ref_cache[list][scan8[4]];
+ ref_index[0+1*2]= h->ref_cache[list][scan8[8]];
+ ref_index[1+1*2]= h->ref_cache[list][scan8[12]];
}
}
Modified: trunk/libavcodec/h264_direct.c
==============================================================================
--- trunk/libavcodec/h264_direct.c Fri Feb 26 00:27:54 2010 (r22064)
+++ trunk/libavcodec/h264_direct.c Fri Feb 26 00:44:42 2010 (r22065)
@@ -142,7 +142,7 @@ void ff_h264_direct_ref_list_init(H264Co
static void pred_spatial_direct_motion(H264Context * const h, int *mb_type){
MpegEncContext * const s = &h->s;
- int b8_stride = h->b8_stride;
+ int b8_stride = 2;
int b4_stride = h->b_stride;
int mb_xy = h->mb_xy;
int mb_type_col[2];
@@ -228,7 +228,7 @@ static void pred_spatial_direct_motion(H
mb_xy= s->mb_x + (s->mb_y&~1)*s->mb_stride;
mb_type_col[0] = h->ref_list[1][0].mb_type[mb_xy];
mb_type_col[1] = h->ref_list[1][0].mb_type[mb_xy + s->mb_stride];
- b8_stride *= 3;
+ b8_stride = 2+4*s->mb_stride;
b4_stride *= 6;
sub_mb_type |= MB_TYPE_16x16|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
@@ -262,12 +262,12 @@ single_col:
l1mv0 = &h->ref_list[1][0].motion_val[0][h->mb2b_xy [mb_xy]];
l1mv1 = &h->ref_list[1][0].motion_val[1][h->mb2b_xy [mb_xy]];
- l1ref0 = &h->ref_list[1][0].ref_index [0][h->mb2b8_xy[mb_xy]];
- l1ref1 = &h->ref_list[1][0].ref_index [1][h->mb2b8_xy[mb_xy]];
+ l1ref0 = &h->ref_list[1][0].ref_index [0][4*mb_xy];
+ l1ref1 = &h->ref_list[1][0].ref_index [1][4*mb_xy];
if(!b8_stride){
if(s->mb_y&1){
- l1ref0 += h->b8_stride;
- l1ref1 += h->b8_stride;
+ l1ref0 += 2;
+ l1ref1 += 2;
l1mv0 += 2*b4_stride;
l1mv1 += 2*b4_stride;
}
@@ -342,11 +342,12 @@ single_col:
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1);
fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1);
+ assert(b8_stride==2);
/* col_zero_flag */
- if(!IS_INTRA(mb_type_col[0]) && !h->ref_list[1][0].long_ref && ( l1ref0[x8 + y8*b8_stride] == 0
- || (l1ref0[x8 + y8*b8_stride] < 0 && l1ref1[x8 + y8*b8_stride] == 0
+ if(!IS_INTRA(mb_type_col[0]) && !h->ref_list[1][0].long_ref && ( l1ref0[i8] == 0
+ || (l1ref0[i8] < 0 && l1ref1[i8] == 0
&& h->x264_build>33U))){
- const int16_t (*l1mv)[2]= l1ref0[x8 + y8*b8_stride] == 0 ? l1mv0 : l1mv1;
+ const int16_t (*l1mv)[2]= l1ref0[i8] == 0 ? l1mv0 : l1mv1;
if(IS_SUB_8X8(sub_mb_type)){
const int16_t *mv_col = l1mv[x8*3 + y8*3*b4_stride];
if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){
@@ -381,7 +382,7 @@ single_col:
static void pred_temp_direct_motion(H264Context * const h, int *mb_type){
MpegEncContext * const s = &h->s;
- int b8_stride = h->b8_stride;
+ int b8_stride = 2;
int b4_stride = h->b_stride;
int mb_xy = h->mb_xy;
int mb_type_col[2];
@@ -406,7 +407,7 @@ static void pred_temp_direct_motion(H264
mb_xy= s->mb_x + (s->mb_y&~1)*s->mb_stride;
mb_type_col[0] = h->ref_list[1][0].mb_type[mb_xy];
mb_type_col[1] = h->ref_list[1][0].mb_type[mb_xy + s->mb_stride];
- b8_stride *= 3;
+ b8_stride = 2+4*s->mb_stride;
b4_stride *= 6;
sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
@@ -441,12 +442,12 @@ single_col:
l1mv0 = &h->ref_list[1][0].motion_val[0][h->mb2b_xy [mb_xy]];
l1mv1 = &h->ref_list[1][0].motion_val[1][h->mb2b_xy [mb_xy]];
- l1ref0 = &h->ref_list[1][0].ref_index [0][h->mb2b8_xy[mb_xy]];
- l1ref1 = &h->ref_list[1][0].ref_index [1][h->mb2b8_xy[mb_xy]];
+ l1ref0 = &h->ref_list[1][0].ref_index [0][4*mb_xy];
+ l1ref1 = &h->ref_list[1][0].ref_index [1][4*mb_xy];
if(!b8_stride){
if(s->mb_y&1){
- l1ref0 += h->b8_stride;
- l1ref1 += h->b8_stride;
+ l1ref0 += 2;
+ l1ref1 += 2;
l1mv0 += 2*b4_stride;
l1mv1 += 2*b4_stride;
}
@@ -549,11 +550,12 @@ single_col:
continue;
}
- ref0 = l1ref0[x8 + y8*b8_stride];
+ assert(b8_stride == 2);
+ ref0 = l1ref0[i8];
if(ref0 >= 0)
ref0 = map_col_to_list0[0][ref0 + ref_offset];
else{
- ref0 = map_col_to_list0[1][l1ref1[x8 + y8*b8_stride] + ref_offset];
+ ref0 = map_col_to_list0[1][l1ref1[i8] + ref_offset];
l1mv= l1mv1;
}
scale = dist_scale_factor[ref0];
Modified: trunk/libavcodec/h264_mvpred.h
==============================================================================
--- trunk/libavcodec/h264_mvpred.h Fri Feb 26 00:27:54 2010 (r22064)
+++ trunk/libavcodec/h264_mvpred.h Fri Feb 26 00:44:42 2010 (r22065)
@@ -43,15 +43,15 @@ static inline int fetch_diagonal_mv(H264
* make mbaff happy, so we can't move all this logic to fill_caches */
if(FRAME_MBAFF){
-#define SET_DIAG_MV(MV_OP, REF_OP, X4, Y4)\
- const int x4 = X4, y4 = Y4;\
- const int mb_type = mb_types[(x4>>2)+(y4>>2)*s->mb_stride];\
+#define SET_DIAG_MV(MV_OP, REF_OP, XY, Y4)\
+ const int xy = XY, y4 = Y4;\
+ const int mb_type = mb_types[xy+(y4>>2)*s->mb_stride];\
if(!USES_LIST(mb_type,list))\
return LIST_NOT_USED;\
- mv = s->current_picture_ptr->motion_val[list][x4 + y4*h->b_stride];\
+ mv = s->current_picture_ptr->motion_val[list][h->mb2b_xy[xy]+3 + y4*h->b_stride];\
h->mv_cache[list][scan8[0]-2][0] = mv[0];\
h->mv_cache[list][scan8[0]-2][1] = mv[1] MV_OP;\
- return s->current_picture_ptr->ref_index[list][(x4>>1) + (y4>>1)*h->b8_stride] REF_OP;
+ return s->current_picture_ptr->ref_index[list][4*xy+1 + (y4&~1)] REF_OP;
if(topright_ref == PART_NOT_AVAILABLE
&& i >= scan8[0]+8 && (i&7)==4
@@ -63,12 +63,13 @@ static inline int fetch_diagonal_mv(H264
if(!MB_FIELD
&& IS_INTERLACED(mb_types[h->left_mb_xy[0]])){
- SET_DIAG_MV(*2, >>1, s->mb_x*4-1, (s->mb_y|1)*4+(s->mb_y&1)*2+(i>>4)-1);
+ SET_DIAG_MV(*2, >>1, h->left_mb_xy[0]+s->mb_stride, (s->mb_y&1)*2+(i>>4)-1);
+ assert(h->left_mb_xy[0] == h->left_mb_xy[1]);
}
if(MB_FIELD
&& !IS_INTERLACED(mb_types[h->left_mb_xy[0]])){
// left shift will turn LIST_NOT_USED into PART_NOT_AVAILABLE, but that's OK.
- SET_DIAG_MV(/2, <<1, s->mb_x*4-1, (s->mb_y&~1)*4 - 1 + ((i-scan8[0])>>3)*2);
+ SET_DIAG_MV(/2, <<1, h->left_mb_xy[i>=36], (- 1 + ((i-scan8[0])>>3)*2)&3);
}
}
#undef SET_DIAG_MV
Modified: trunk/libavcodec/mpegvideo.c
==============================================================================
--- trunk/libavcodec/mpegvideo.c Fri Feb 26 00:27:54 2010 (r22064)
+++ trunk/libavcodec/mpegvideo.c Fri Feb 26 00:44:42 2010 (r22065)
@@ -257,7 +257,7 @@ int ff_alloc_picture(MpegEncContext *s,
for(i=0; i<2; i++){
FF_ALLOCZ_OR_GOTO(s->avctx, pic->motion_val_base[i], 2 * (b4_array_size+4) * sizeof(int16_t), fail)
pic->motion_val[i]= pic->motion_val_base[i]+4;
- FF_ALLOCZ_OR_GOTO(s->avctx, pic->ref_index[i], b8_array_size * sizeof(uint8_t), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, pic->ref_index[i], 4*mb_array_size * sizeof(uint8_t), fail)
}
pic->motion_subsample_log2= 2;
}else if(s->out_format == FMT_H263 || s->encoding || (s->avctx->debug&FF_DEBUG_MV) || (s->avctx->debug_mv)){
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