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| author | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2012-11-05 04:43:17 +0100 |
|---|---|---|
| committer | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2012-11-05 04:43:17 +0100 |
| commit | c673ef12885fdc007b21b9f52cdd50211d452d97 (patch) | |
| tree | 7ece690bf87fe203eb45229312ba785bb982a380 /libavcodec/tiffenc.c | |
| parent | b015cd7eda9f1cdaf92f5275eb3bb3822b0b34cf (diff) | |
| download | ffmpeg-c673ef12885fdc007b21b9f52cdd50211d452d97.tar.gz | |
Write tiff tag YCbCrPositioning if chroma_sample_location is top-left.
Diffstat (limited to 'libavcodec/tiffenc.c')
| -rw-r--r-- | libavcodec/tiffenc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/tiffenc.c b/libavcodec/tiffenc.c index dae9147e4e..d4402859f0 100644 --- a/libavcodec/tiffenc.c +++ b/libavcodec/tiffenc.c @@ -471,6 +471,8 @@ static int encode_frame(AVCodecContext * avctx, AVPacket *pkt, /** according to CCIR Recommendation 601.1 */ uint32_t refbw[12] = {15, 1, 235, 1, 128, 1, 240, 1, 128, 1, 240, 1}; add_entry(s, TIFF_YCBCR_SUBSAMPLING, TIFF_SHORT, 2, s->subsampling); + if (avctx->chroma_sample_location == AVCHROMA_LOC_TOPLEFT) + add_entry1(s, TIFF_YCBCR_POSITIONING, TIFF_SHORT, 2); add_entry(s, TIFF_REFERENCE_BW, TIFF_RATIONAL, 6, refbw); } bytestream_put_le32(&offset, ptr - pkt->data); // write offset to dir |