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avcodec/tiff: Check that pix_fmt is a yuv variant for TIFF_PHOTOMETRIC_YCBCR

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-08-19 21:08:34 +02:00
parent 6ea69a8ffa
commit f0c0ae37c6
1 changed files with 9 additions and 0 deletions
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9
libavcodec/tiff.c
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@ -643,6 +643,15 @@ static int init_image(TiffContext *s, ThreadFrame *frame)
s->bpp, s->bppcount);
return AVERROR_INVALIDDATA;
}
if (s->photometric == TIFF_PHOTOMETRIC_YCBCR) {
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->avctx->pix_fmt);
if((desc->flags & AV_PIX_FMT_FLAG_RGB) || desc->nb_components < 3) {
av_log(s->avctx, AV_LOG_ERROR, "Unsupported YCbCr variant\n");
return AVERROR_INVALIDDATA;
}
}
if (s->width != s->avctx->width || s->height != s->avctx->height) {
ret = ff_set_dimensions(s->avctx, s->width, s->height);
if (ret < 0)