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Merge commit '1fb013a57c6d98d3f425506eb25f32b2cf7ddc6f'

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* commit '1fb013a57c6d98d3f425506eb25f32b2cf7ddc6f':
  vc1dec: Add support for interlaced B-frames

Conflicts:
	libavcodec/vc1dec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
pull/18/head
Michael Niedermayer 12 years ago
parent 28e6b7b9b4 1fb013a57c
commit c453da33a3
1 changed files with 17 additions and 24 deletions
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  1. 27
      libavcodec/vc1dec.c

27
libavcodec/vc1dec.c
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@ -4413,8 +4413,7 @@ static int vc1_decode_b_mb_intfr(VC1Context *v)
if (!skipped) {
idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_INTFR_NON4MV_MBMODE_VLC_BITS, 2);
if (ff_vc1_mbmode_intfrp[0][idx_mbmode][0] == MV_PMODE_INTFR_2MV_FIELD)
{
if (ff_vc1_mbmode_intfrp[0][idx_mbmode][0] == MV_PMODE_INTFR_2MV_FIELD) {
twomv = 1;
v->blk_mv_type[s->block_index[0]] = 1;
v->blk_mv_type[s->block_index[1]] = 1;
@ -4496,7 +4495,8 @@ static int vc1_decode_b_mb_intfr(VC1Context *v)
vc1_decode_intra_block(v, s->block[i], i, val, mquant,
(i & 4) ? v->codingset2 : v->codingset);
if ((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
if (i > 3 && (s->flags & CODEC_FLAG_GRAY))
continue;
v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
if (i < 4) {
stride_y = s->linesize << fieldtx;
@ -4535,8 +4535,7 @@ static int vc1_decode_b_mb_intfr(VC1Context *v)
if (!direct) {
if (bmvtype == BMV_TYPE_INTERPOLATED & twomv) {
v->fourmvbp = get_vlc2(gb, v->fourmvbp_vlc->table, VC1_4MV_BLOCK_PATTERN_VLC_BITS, 1);
}
else if (bmvtype == BMV_TYPE_INTERPOLATED | twomv) {
} else if (bmvtype == BMV_TYPE_INTERPOLATED | twomv) {
v->twomvbp = get_vlc2(gb, v->twomvbp_vlc->table, VC1_2MV_BLOCK_PATTERN_VLC_BITS, 1);
}
}
@ -4564,9 +4563,8 @@ static int vc1_decode_b_mb_intfr(VC1Context *v)
dir = i==1 || i==3;
dmv_x = dmv_y = 0;
val = ((mvbp >> (3 - i)) & 1);
if (val) {
if (val)
get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
}
j = i > 1 ? 2 : 0;
vc1_pred_mv_intfr(v, j, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0], dir);
vc1_mc_4mv_luma(v, j, dir, dir);
@ -4578,17 +4576,15 @@ static int vc1_decode_b_mb_intfr(VC1Context *v)
} else if (bmvtype == BMV_TYPE_INTERPOLATED) {
mvbp = v->twomvbp;
dmv_x = dmv_y = 0;
if (mvbp & 2) {
if (mvbp & 2)
get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
}
vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], 0);
vc1_mc_1mv(v, 0);
dmv_x = dmv_y = 0;
if (mvbp & 1) {
if (mvbp & 1)
get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
}
vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], 1);
vc1_interp_mc(v);
@ -4599,15 +4595,13 @@ static int vc1_decode_b_mb_intfr(VC1Context *v)
dir2 = !dir;
mvbp = v->twomvbp;
dmv_x = dmv_y = 0;
if (mvbp & 2) {
if (mvbp & 2)
get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
}
vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0], dir);
dmv_x = dmv_y = 0;
if (mvbp & 1) {
if (mvbp & 1)
get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
}
vc1_pred_mv_intfr(v, 2, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0], dir2);
if (mvsw) {
@ -4632,9 +4626,8 @@ static int vc1_decode_b_mb_intfr(VC1Context *v)
mvbp = ff_vc1_mbmode_intfrp[0][idx_mbmode][2];
dmv_x = dmv_y = 0;
if (mvbp) {
if (mvbp)
get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
}
vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], dir);
v->blk_mv_type[s->block_index[0]] = 1;

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