lavfi/fade: Do not overread input buffer.

(cherry picked from commit ab3ff19f08)
This commit is contained in:
Carl Eugen Hoyos 2015-02-25 15:07:18 +01:00
parent 346c4f0ad0
commit 836a66eeb0

View File

@ -138,7 +138,9 @@ static int config_props(AVFilterLink *inlink)
s->hsub = pixdesc->log2_chroma_w;
s->vsub = pixdesc->log2_chroma_h;
s->bpp = av_get_bits_per_pixel(pixdesc) >> 3;
s->bpp = pixdesc->flags & AV_PIX_FMT_FLAG_PLANAR ?
1 :
av_get_bits_per_pixel(pixdesc) >> 3;
s->alpha &= !!(pixdesc->flags & AV_PIX_FMT_FLAG_ALPHA);
s->is_packed_rgb = ff_fill_rgba_map(s->rgba_map, inlink->format) >= 0;