vf_fade: Fix alpha flag integration

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago · a3d62f3377
parent af12573938
commit a3d62f3377
1 changed files with 1 additions and 1 deletions
--- a/libavfilter/vf_fade.c
+++ b/libavfilter/vf_fade.c
@ -127,7 +127,7 @@ static int config_props(AVFilterLink *inlink)
    s->vsub = pixdesc->log2_chroma_h;

    s->bpp = av_get_bits_per_pixel(pixdesc) >> 3;
-    s->alpha &= pixdesc->flags & AV_PIX_FMT_FLAG_ALPHA;
+    s->alpha &= !!(pixdesc->flags & AV_PIX_FMT_FLAG_ALPHA);
    s->is_packed_rgb = ff_fill_rgba_map(s->rgba_map, inlink->format) >= 0;

    /* use CCIR601/709 black level for studio-level pixel non-alpha components */