lavc: fix FF_LOSS_COLORQUANT detection for gray8a->pal8

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-01-18 15:51:09 +01:00
parent b4ec645f47
commit e9a6152e17
1 changed files with 2 additions and 1 deletions

View File

@ -456,8 +456,9 @@ int avcodec_get_pix_fmt_loss(enum PixelFormat dst_pix_fmt, enum PixelFormat src_
if (!pf->is_alpha && (ps->is_alpha && has_alpha))
loss |= FF_LOSS_ALPHA;
if (dst_pix_fmt == PIX_FMT_PAL8 &&
(src_pix_fmt != PIX_FMT_PAL8 && ps->color_type != FF_COLOR_GRAY))
(src_pix_fmt != PIX_FMT_PAL8 && (ps->color_type != FF_COLOR_GRAY || (ps->is_alpha && has_alpha))))
loss |= FF_LOSS_COLORQUANT;
return loss;
}