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avcodec/tiff: support 4:2:2 and 4:1:1 YCbCr

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-04-29 18:39:24 +02:00
parent 217f6c53e5
commit f694ca7ca7
1 changed files with 4 additions and 0 deletions
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4
libavcodec/tiff.c
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@ -590,6 +590,10 @@ static int init_image(TiffContext *s, ThreadFrame *frame)
if (s->photometric == TIFF_PHOTOMETRIC_YCBCR) {
if (s->subsampling[0] == 1 && s->subsampling[1] == 1) {
s->avctx->pix_fmt = AV_PIX_FMT_YUV444P;
} else if (s->subsampling[0] == 2 && s->subsampling[1] == 1) {
s->avctx->pix_fmt = AV_PIX_FMT_YUV422P;
} else if (s->subsampling[0] == 4 && s->subsampling[1] == 1) {
s->avctx->pix_fmt = AV_PIX_FMT_YUV411P;
} else if (s->subsampling[0] == 2 && s->subsampling[1] == 2) {
s->avctx->pix_fmt = AV_PIX_FMT_YUV420P;
} else {