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authorMichael Niedermayer <michaelni@gmx.at>2014-02-10 19:01:41 +0100
committerMichael Niedermayer <michaelni@gmx.at>2014-02-18 18:19:27 +0100
commitcbcfd7da4d1f5d43b0b9abb05d9b6fc4451cad0d (patch)
treeae32c7abf1d08834f637590142739a02fd2e58d9 /libavcodec
parent3d20260157cb65582cb547befe744b9cbfaeac1d (diff)
downloadffmpeg-cbcfd7da4d1f5d43b0b9abb05d9b6fc4451cad0d.tar.gz
avcodec: support setting the chroma intra matrix
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/avcodec.h11
-rw-r--r--libavcodec/mpegvideo_enc.c2
-rw-r--r--libavcodec/utils.c1
3 files changed, 14 insertions, 0 deletions
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index f9b2e5cf27..5df717caef 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -2988,6 +2988,14 @@ typedef struct AVCodecContext {
#define FF_DEBUG_VIS_MV_B_FOR 0x00000002 //visualize forward predicted MVs of B frames
#define FF_DEBUG_VIS_MV_B_BACK 0x00000004 //visualize backward predicted MVs of B frames
#endif
+
+ /**
+ * custom intra quantization matrix
+ * Code outside libavcodec should access this field using av_codec_g/set_chroma_intra_matrix()
+ * - encoding: Set by user, can be NULL.
+ * - decoding: unused.
+ */
+ uint16_t *chroma_intra_matrix;
} AVCodecContext;
AVRational av_codec_get_pkt_timebase (const AVCodecContext *avctx);
@@ -3002,6 +3010,9 @@ void av_codec_set_lowres(AVCodecContext *avctx, int val);
int av_codec_get_seek_preroll(const AVCodecContext *avctx);
void av_codec_set_seek_preroll(AVCodecContext *avctx, int val);
+uint16_t *av_codec_get_chroma_intra_matrix(const AVCodecContext *avctx);
+void av_codec_set_chroma_intra_matrix(AVCodecContext *avctx, uint16_t *val);
+
/**
* AVProfile.
*/
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index 54ef15f5e7..bb49822ce2 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -3511,6 +3511,8 @@ static int encode_picture(MpegEncContext *s, int picture_number)
chroma_matrix =
luma_matrix = s->avctx->intra_matrix;
}
+ if (s->avctx->chroma_intra_matrix)
+ chroma_matrix = s->avctx->chroma_intra_matrix;
/* for mjpeg, we do include qscale in the matrix */
for(i=1;i<64;i++){
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 5d318dc77f..d24854a987 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -1116,6 +1116,7 @@ MAKE_ACCESSORS(AVCodecContext, codec, AVRational, pkt_timebase)
MAKE_ACCESSORS(AVCodecContext, codec, const AVCodecDescriptor *, codec_descriptor)
MAKE_ACCESSORS(AVCodecContext, codec, int, lowres)
MAKE_ACCESSORS(AVCodecContext, codec, int, seek_preroll)
+MAKE_ACCESSORS(AVCodecContext, codec, uint16_t*, chroma_intra_matrix)
int av_codec_get_max_lowres(const AVCodec *codec)
{