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vf_fade: use AVPixFmtDescriptor to find out if pixel format have alpha 

Remove alpha_pix_fmts[].

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-01-18 15:08:50 +00:00
parent 646ade7679
commit c79be51dfc
1 changed files with 1 additions and 8 deletions
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9
libavfilter/vf_fade.c
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@ -138,13 +138,6 @@ const static enum AVPixelFormat studio_level_pix_fmts[] = {
AV_PIX_FMT_NONE
};
static enum AVPixelFormat alpha_pix_fmts[] = {
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 int config_props(AVFilterLink *inlink)
{
FadeContext *fade = inlink->dst->priv;
@ -154,7 +147,7 @@ static int config_props(AVFilterLink *inlink)
fade->vsub = pixdesc->log2_chroma_h;
fade->bpp = av_get_bits_per_pixel(pixdesc) >> 3;
fade->alpha = fade->alpha ? ff_fmt_is_in(inlink->format, alpha_pix_fmts) : 0;
fade->alpha &= pixdesc->flags & PIX_FMT_ALPHA;
fade->is_packed_rgb = ff_fill_rgba_map(fade->rgba_map, inlink->format) >= 0;
/* use CCIR601/709 black level for studio-level pixel non-alpha components */