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authorJason Garrett-Glaser <jason@x264.com>2011-06-03 01:12:28 -0700
committerJason Garrett-Glaser <jason@x264.com>2011-06-13 21:16:30 -0700
commitc90b94424cd4953a095d6d6648ba8d499e306b35 (patch)
treebf5a8c38d47d318f1be087def6812a3e005cdabe /libavcodec/h264_ps.c
parent99477adc31c0569b3cebe8004dd584aa4726a2d1 (diff)
downloadffmpeg-c90b94424cd4953a095d6d6648ba8d499e306b35.tar.gz
4:4:4 H.264 decoding support
Note: this is 4:4:4 from the 2007 spec revision, not the previous (now deprecated) 4:4:4 mode in H.264.
Diffstat (limited to 'libavcodec/h264_ps.c')
-rw-r--r--libavcodec/h264_ps.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/libavcodec/h264_ps.c b/libavcodec/h264_ps.c
index a98f14aaf6..9c41e4ca73 100644
--- a/libavcodec/h264_ps.c
+++ b/libavcodec/h264_ps.c
@@ -269,7 +269,7 @@ static void decode_scaling_matrices(H264Context *h, SPS *sps, PPS *pps, int is_s
fallback_sps ? sps->scaling_matrix4[0] : default_scaling4[0],
fallback_sps ? sps->scaling_matrix4[3] : default_scaling4[1],
fallback_sps ? sps->scaling_matrix8[0] : default_scaling8[0],
- fallback_sps ? sps->scaling_matrix8[1] : default_scaling8[1]
+ fallback_sps ? sps->scaling_matrix8[3] : default_scaling8[1]
};
if(get_bits1(&s->gb)){
sps->scaling_matrix_present |= is_sps;
@@ -281,7 +281,15 @@ static void decode_scaling_matrices(H264Context *h, SPS *sps, PPS *pps, int is_s
decode_scaling_list(h,scaling_matrix4[5],16,default_scaling4[1],scaling_matrix4[4]); // Inter, Cb
if(is_sps || pps->transform_8x8_mode){
decode_scaling_list(h,scaling_matrix8[0],64,default_scaling8[0],fallback[2]); // Intra, Y
- decode_scaling_list(h,scaling_matrix8[1],64,default_scaling8[1],fallback[3]); // Inter, Y
+ if(h->sps.chroma_format_idc == 3){
+ decode_scaling_list(h,scaling_matrix8[1],64,default_scaling8[0],scaling_matrix8[0]); // Intra, Cr
+ decode_scaling_list(h,scaling_matrix8[2],64,default_scaling8[0],scaling_matrix8[1]); // Intra, Cb
+ }
+ decode_scaling_list(h,scaling_matrix8[3],64,default_scaling8[1],fallback[3]); // Inter, Y
+ if(h->sps.chroma_format_idc == 3){
+ decode_scaling_list(h,scaling_matrix8[4],64,default_scaling8[1],scaling_matrix8[3]); // Inter, Cr
+ decode_scaling_list(h,scaling_matrix8[5],64,default_scaling8[1],scaling_matrix8[4]); // Inter, Cb
+ }
}
}
}
@@ -395,7 +403,7 @@ int ff_h264_decode_seq_parameter_set(H264Context *h){
if(sps->crop_left || sps->crop_top){
av_log(h->s.avctx, AV_LOG_ERROR, "insane cropping not completely supported, this could look slightly wrong ...\n");
}
- if(sps->crop_right >= 8 || sps->crop_bottom >= 8){
+ if(sps->crop_right >= (8<<CHROMA444) || sps->crop_bottom >= (8<<CHROMA444)){
av_log(h->s.avctx, AV_LOG_ERROR, "brainfart cropping not supported, this could look slightly wrong ...\n");
}
}else{