[FFmpeg-cvslog] avcodec/ffv1dec: Fix skip_alpha
Michael Niedermayer
git at videolan.org
Thu May 28 01:08:57 CEST 2015
ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu May 28 01:01:16 2015 +0200| [cf52e6d012d035b82080e6cc045378f900627870] | committer: Michael Niedermayer
avcodec/ffv1dec: Fix skip_alpha
Fixes Ticket4322
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=cf52e6d012d035b82080e6cc045378f900627870
---
libavcodec/ffv1dec.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c
index d3927a2..cc7c605 100644
--- a/libavcodec/ffv1dec.c
+++ b/libavcodec/ffv1dec.c
@@ -645,6 +645,8 @@ static int read_header(FFV1Context *f)
chroma_h_shift = get_symbol(c, state, 0);
chroma_v_shift = get_symbol(c, state, 0);
transparency = get_rac(c, state);
+ if (colorspace == 0 && f->avctx->skip_alpha)
+ transparency = 0;
if (f->plane_count) {
if (colorspace != f->colorspace ||
@@ -675,7 +677,6 @@ static int read_header(FFV1Context *f)
}
if (f->colorspace == 0) {
- if (f->avctx->skip_alpha) f->transparency = 0;
if (!f->transparency && !f->chroma_planes) {
if (f->avctx->bits_per_raw_sample <= 8)
f->avctx->pix_fmt = AV_PIX_FMT_GRAY8;
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