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author | Kostya Shishkov <kostya.shishkov@gmail.com> | 2007-03-18 07:51:40 +0000 |
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committer | Kostya Shishkov <kostya.shishkov@gmail.com> | 2007-03-18 07:51:40 +0000 |
commit | ab47579565c33c857d11b0a41671495c0e53f709 (patch) | |
tree | 6d08a499e35a5f07ff0fc763a3165d29a1dacf0c /libavcodec/vc1.c | |
parent | 495529f7dfbaf24bfe567911ec9717bf90f6081a (diff) | |
download | ffmpeg-streaming-ab47579565c33c857d11b0a41671495c0e53f709.zip ffmpeg-streaming-ab47579565c33c857d11b0a41671495c0e53f709.tar.gz |
Proper handling of motion vectors for adv. profile
Originally committed as revision 8436 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/vc1.c')
-rw-r--r-- | libavcodec/vc1.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c index deea0fd..0629bd1 100644 --- a/libavcodec/vc1.c +++ b/libavcodec/vc1.c @@ -821,10 +821,17 @@ static void vc1_mc_1mv(VC1Context *v, int dir) uvsrc_x = s->mb_x * 8 + (uvmx >> 2); uvsrc_y = s->mb_y * 8 + (uvmy >> 2); +if(v->profile != PROFILE_ADVANCED){ src_x = av_clip( src_x, -16, s->mb_width * 16); src_y = av_clip( src_y, -16, s->mb_height * 16); uvsrc_x = av_clip(uvsrc_x, -8, s->mb_width * 8); uvsrc_y = av_clip(uvsrc_y, -8, s->mb_height * 8); +}else{ + src_x = av_clip( src_x, -17, s->avctx->coded_width); + src_y = av_clip( src_y, -18, s->avctx->coded_height + 1); + uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1); + uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1); +} srcY += src_y * s->linesize + src_x; srcU += uvsrc_y * s->uvlinesize + uvsrc_x; @@ -944,8 +951,13 @@ static void vc1_mc_4mv_luma(VC1Context *v, int n) src_x = s->mb_x * 16 + (n&1) * 8 + (mx >> 2); src_y = s->mb_y * 16 + (n&2) * 4 + (my >> 2); +if(v->profile != PROFILE_ADVANCED){ src_x = av_clip( src_x, -16, s->mb_width * 16); src_y = av_clip( src_y, -16, s->mb_height * 16); +}else{ + src_x = av_clip( src_x, -17, s->avctx->coded_width); + src_y = av_clip( src_y, -18, s->avctx->coded_height + 1); +} srcY += src_y * s->linesize + src_x; @@ -1071,8 +1083,14 @@ static void vc1_mc_4mv_chroma(VC1Context *v) uvsrc_x = s->mb_x * 8 + (uvmx >> 2); uvsrc_y = s->mb_y * 8 + (uvmy >> 2); +if(v->profile != PROFILE_ADVANCED){ uvsrc_x = av_clip(uvsrc_x, -8, s->mb_width * 8); uvsrc_y = av_clip(uvsrc_y, -8, s->mb_height * 8); +}else{ + uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1); + uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1); +} + srcU = s->last_picture.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x; srcV = s->last_picture.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x; if(v->rangeredfrm || (v->mv_mode == MV_PMODE_INTENSITY_COMP) @@ -1285,6 +1303,9 @@ static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb) v->finterpflag = get_bits1(gb); get_bits1(gb); // reserved + v->s.h_edge_pos = v->s.avctx->coded_width; + v->s.v_edge_pos = v->s.avctx->coded_height; + av_log(v->s.avctx, AV_LOG_DEBUG, "Advanced Profile level %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n" "LoopFilter=%i, ChromaFormat=%i, Pulldown=%i, Interlace: %i\n" @@ -2118,10 +2139,17 @@ static void vc1_interp_mc(VC1Context *v) uvsrc_x = s->mb_x * 8 + (uvmx >> 2); uvsrc_y = s->mb_y * 8 + (uvmy >> 2); +if(v->profile != PROFILE_ADVANCED){ src_x = av_clip( src_x, -16, s->mb_width * 16); src_y = av_clip( src_y, -16, s->mb_height * 16); uvsrc_x = av_clip(uvsrc_x, -8, s->mb_width * 8); uvsrc_y = av_clip(uvsrc_y, -8, s->mb_height * 8); +}else{ + src_x = av_clip( src_x, -17, s->avctx->coded_width); + src_y = av_clip( src_y, -18, s->avctx->coded_height + 1); + uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1); + uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1); +} srcY += src_y * s->linesize + src_x; srcU += uvsrc_y * s->uvlinesize + uvsrc_x; |