[FFmpeg-cvslog] avfilter/vf_fade: Force alpha pixel format if alpha is set to 1
Michael Niedermayer
git at videolan.org
Sun May 31 04:47:00 CEST 2015
ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu May 28 01:38:15 2015 +0200| [03637762d94cdd47b06c6311c8116edf9de73256] | committer: Michael Niedermayer
avfilter/vf_fade: Force alpha pixel format if alpha is set to 1
Fixes Ticket4321
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=03637762d94cdd47b06c6311c8116edf9de73256
---
libavfilter/vf_fade.c | 26 ++++++++++++++++++++++----
1 file changed, 22 insertions(+), 4 deletions(-)
diff --git a/libavfilter/vf_fade.c b/libavfilter/vf_fade.c
index ab2dccf..3e6aa7f 100644
--- a/libavfilter/vf_fade.c
+++ b/libavfilter/vf_fade.c
@@ -115,12 +115,30 @@ static int query_formats(AVFilterContext *ctx)
AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA,
AV_PIX_FMT_NONE
};
+ static const enum AVPixelFormat pix_fmts_alpha[] = {
+ AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
+ AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR,
+ AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA,
+ AV_PIX_FMT_NONE
+ };
+ static const enum AVPixelFormat pix_fmts_rgba[] = {
+ AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR,
+ AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA,
+ AV_PIX_FMT_NONE
+ };
AVFilterFormats *fmts_list;
- if (s->black_fade)
- fmts_list = ff_make_format_list(pix_fmts);
- else
- fmts_list = ff_make_format_list(pix_fmts_rgb);
+ if (s->alpha) {
+ if (s->black_fade)
+ fmts_list = ff_make_format_list(pix_fmts_alpha);
+ else
+ fmts_list = ff_make_format_list(pix_fmts_rgba);
+ } else {
+ if (s->black_fade)
+ fmts_list = ff_make_format_list(pix_fmts);
+ else
+ fmts_list = ff_make_format_list(pix_fmts_rgb);
+ }
if (!fmts_list)
return AVERROR(ENOMEM);
return ff_set_common_formats(ctx, fmts_list);
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