[FFmpeg-cvslog] avcodec/vc1: add bitstream elements for VAAPI VC-1 interlaced decoding
Jerome Borsboom
git at videolan.org
Mon Mar 5 00:37:55 EET 2018
ffmpeg | branch: master | Jerome Borsboom <jerome.borsboom at carpalis.nl> | Sun Feb 25 20:09:46 2018 +0100| [1160d1d47887353c5afa4f5e8a18b56bd775501e] | committer: Mark Thompson
avcodec/vc1: add bitstream elements for VAAPI VC-1 interlaced decoding
We need to pass more bitstream elements to the VAAPI VC-1 decoder in
order to start doing interlaced decoding in hardware.
Signed-off-by: Jerome Borsboom <jerome.borsboom at carpalis.nl>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1160d1d47887353c5afa4f5e8a18b56bd775501e
---
libavcodec/vc1.c | 95 +++++++++++++++++++++++++++++---------------------------
libavcodec/vc1.h | 6 ++++
2 files changed, 55 insertions(+), 46 deletions(-)
diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c
index 48a2cc1e48..2b9f8db3ee 100644
--- a/libavcodec/vc1.c
+++ b/libavcodec/vc1.c
@@ -629,7 +629,7 @@ int ff_vc1_parse_frame_header(VC1Context *v, GetBitContext* gb)
int pqindex, lowquant, status;
v->field_mode = 0;
- v->fcm = 0;
+ v->fcm = PROGRESSIVE;
if (v->finterpflag)
v->interpfrm = get_bits1(gb);
if (!v->s.avctx->codec)
@@ -766,7 +766,8 @@ int ff_vc1_parse_frame_header(VC1Context *v, GetBitContext* gb)
/* Hopefully this is correct for P-frames */
v->s.mv_table_index = get_bits(gb, 2); //but using ff_vc1_ tables
- v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)];
+ v->cbptab = get_bits(gb, 2);
+ v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[v->cbptab];
if (v->dquant) {
av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n");
@@ -804,7 +805,8 @@ int ff_vc1_parse_frame_header(VC1Context *v, GetBitContext* gb)
"Imode: %i, Invert: %i\n", status>>1, status&1);
v->s.mv_table_index = get_bits(gb, 2);
- v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)];
+ v->cbptab = get_bits(gb, 2);
+ v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[v->cbptab];
if (v->dquant) {
av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n");
@@ -845,7 +847,6 @@ int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)
{
int pqindex, lowquant;
int status;
- int mbmodetab, imvtab, icbptab, twomvbptab, fourmvbptab; /* useful only for debugging */
int field_mode, fcm;
v->numref = 0;
@@ -1056,21 +1057,21 @@ int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)
status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v);
av_log(v->s.avctx, AV_LOG_DEBUG, "SKIPMB plane encoding: "
"Imode: %i, Invert: %i\n", status>>1, status&1);
- mbmodetab = get_bits(gb, 2);
+ v->mbmodetab = get_bits(gb, 2);
if (v->fourmvswitch)
- v->mbmode_vlc = &ff_vc1_intfr_4mv_mbmode_vlc[mbmodetab];
+ v->mbmode_vlc = &ff_vc1_intfr_4mv_mbmode_vlc[v->mbmodetab];
else
- v->mbmode_vlc = &ff_vc1_intfr_non4mv_mbmode_vlc[mbmodetab];
- imvtab = get_bits(gb, 2);
- v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[imvtab];
+ v->mbmode_vlc = &ff_vc1_intfr_non4mv_mbmode_vlc[v->mbmodetab];
+ v->imvtab = get_bits(gb, 2);
+ v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[v->imvtab];
// interlaced p-picture cbpcy range is [1, 63]
- icbptab = get_bits(gb, 3);
- v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab];
- twomvbptab = get_bits(gb, 2);
- v->twomvbp_vlc = &ff_vc1_2mv_block_pattern_vlc[twomvbptab];
+ v->icbptab = get_bits(gb, 3);
+ v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[v->icbptab];
+ v->twomvbptab = get_bits(gb, 2);
+ v->twomvbp_vlc = &ff_vc1_2mv_block_pattern_vlc[v->twomvbptab];
if (v->fourmvswitch) {
- fourmvbptab = get_bits(gb, 2);
- v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab];
+ v->fourmvbptab = get_bits(gb, 2);
+ v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[v->fourmvbptab];
}
}
}
@@ -1154,27 +1155,28 @@ int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)
/* Hopefully this is correct for P-frames */
v->s.mv_table_index = get_bits(gb, 2); //but using ff_vc1_ tables
- v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)];
+ v->cbptab = get_bits(gb, 2);
+ v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[v->cbptab];
} else if (v->fcm == ILACE_FRAME) { // frame interlaced
v->qs_last = v->s.quarter_sample;
v->s.quarter_sample = 1;
v->s.mspel = 1;
} else { // field interlaced
- mbmodetab = get_bits(gb, 3);
- imvtab = get_bits(gb, 2 + v->numref);
+ v->mbmodetab = get_bits(gb, 3);
+ v->imvtab = get_bits(gb, 2 + v->numref);
if (!v->numref)
- v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[imvtab];
+ v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[v->imvtab];
else
- v->imv_vlc = &ff_vc1_2ref_mvdata_vlc[imvtab];
- icbptab = get_bits(gb, 3);
- v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab];
+ v->imv_vlc = &ff_vc1_2ref_mvdata_vlc[v->imvtab];
+ v->icbptab = get_bits(gb, 3);
+ v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[v->icbptab];
if ((v->mv_mode == MV_PMODE_INTENSITY_COMP &&
v->mv_mode2 == MV_PMODE_MIXED_MV) || v->mv_mode == MV_PMODE_MIXED_MV) {
- fourmvbptab = get_bits(gb, 2);
- v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab];
- v->mbmode_vlc = &ff_vc1_if_mmv_mbmode_vlc[mbmodetab];
+ v->fourmvbptab = get_bits(gb, 2);
+ v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[v->fourmvbptab];
+ v->mbmode_vlc = &ff_vc1_if_mmv_mbmode_vlc[v->mbmodetab];
} else {
- v->mbmode_vlc = &ff_vc1_if_1mv_mbmode_vlc[mbmodetab];
+ v->mbmode_vlc = &ff_vc1_if_1mv_mbmode_vlc[v->mbmodetab];
}
}
if (v->dquant) {
@@ -1228,18 +1230,18 @@ int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)
return -1;
av_log(v->s.avctx, AV_LOG_DEBUG, "MB Forward Type plane encoding: "
"Imode: %i, Invert: %i\n", status>>1, status&1);
- mbmodetab = get_bits(gb, 3);
+ v->mbmodetab = get_bits(gb, 3);
if (v->mv_mode == MV_PMODE_MIXED_MV)
- v->mbmode_vlc = &ff_vc1_if_mmv_mbmode_vlc[mbmodetab];
+ v->mbmode_vlc = &ff_vc1_if_mmv_mbmode_vlc[v->mbmodetab];
else
- v->mbmode_vlc = &ff_vc1_if_1mv_mbmode_vlc[mbmodetab];
- imvtab = get_bits(gb, 3);
- v->imv_vlc = &ff_vc1_2ref_mvdata_vlc[imvtab];
- icbptab = get_bits(gb, 3);
- v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab];
+ v->mbmode_vlc = &ff_vc1_if_1mv_mbmode_vlc[v->mbmodetab];
+ v->imvtab = get_bits(gb, 3);
+ v->imv_vlc = &ff_vc1_2ref_mvdata_vlc[v->imvtab];
+ v->icbptab = get_bits(gb, 3);
+ v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[v->icbptab];
if (v->mv_mode == MV_PMODE_MIXED_MV) {
- fourmvbptab = get_bits(gb, 2);
- v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab];
+ v->fourmvbptab = get_bits(gb, 2);
+ v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[v->fourmvbptab];
}
v->numref = 1; // interlaced field B pictures are always 2-ref
} else if (v->fcm == ILACE_FRAME) {
@@ -1263,17 +1265,17 @@ int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)
return -1;
av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: "
"Imode: %i, Invert: %i\n", status>>1, status&1);
- mbmodetab = get_bits(gb, 2);
- v->mbmode_vlc = &ff_vc1_intfr_non4mv_mbmode_vlc[mbmodetab];
- imvtab = get_bits(gb, 2);
- v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[imvtab];
+ v->mbmodetab = get_bits(gb, 2);
+ v->mbmode_vlc = &ff_vc1_intfr_non4mv_mbmode_vlc[v->mbmodetab];
+ v->imvtab = get_bits(gb, 2);
+ v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[v->imvtab];
// interlaced p/b-picture cbpcy range is [1, 63]
- icbptab = get_bits(gb, 3);
- v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab];
- twomvbptab = get_bits(gb, 2);
- v->twomvbp_vlc = &ff_vc1_2mv_block_pattern_vlc[twomvbptab];
- fourmvbptab = get_bits(gb, 2);
- v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab];
+ v->icbptab = get_bits(gb, 3);
+ v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[v->icbptab];
+ v->twomvbptab = get_bits(gb, 2);
+ v->twomvbp_vlc = &ff_vc1_2mv_block_pattern_vlc[v->twomvbptab];
+ v->fourmvbptab = get_bits(gb, 2);
+ v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[v->fourmvbptab];
} else {
v->mv_mode = get_bits1(gb) ? MV_PMODE_1MV : MV_PMODE_1MV_HPEL_BILIN;
v->qs_last = v->s.quarter_sample;
@@ -1290,7 +1292,8 @@ int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)
av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: "
"Imode: %i, Invert: %i\n", status>>1, status&1);
v->s.mv_table_index = get_bits(gb, 2);
- v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)];
+ v->cbptab = get_bits(gb, 2);
+ v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[v->cbptab];
}
if (v->dquant) {
diff --git a/libavcodec/vc1.h b/libavcodec/vc1.h
index 556906d496..8fc0729cb8 100644
--- a/libavcodec/vc1.h
+++ b/libavcodec/vc1.h
@@ -296,6 +296,7 @@ typedef struct VC1Context{
uint8_t (*curr_luty)[256] ,(*curr_lutuv)[256];
int last_use_ic, *curr_use_ic, next_use_ic, aux_use_ic;
int rnd; ///< rounding control
+ int cbptab;
/** Frame decoding info for S/M profiles only */
//@{
@@ -367,6 +368,11 @@ typedef struct VC1Context{
int frfd, brfd; ///< reference frame distance (forward or backward)
int first_pic_header_flag;
int pic_header_flag;
+ int mbmodetab;
+ int icbptab;
+ int imvtab;
+ int twomvbptab;
+ int fourmvbptab;
/** Frame decoding info for sprite modes */
//@{
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