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vf_zscale: Fix alpha destination graph for floating point pixel formats 

This was setting the input pixel type instead of the output one,
leading to incorrect data being fed to the library.

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
This commit is contained in:
Vittorio Giovara 2017-12-07 16:32:22 -05:00
parent a41a5db797
commit bc38c8f442
1 changed files with 1 additions and 1 deletions
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2
libavfilter/vf_zscale.c
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@ -615,7 +615,7 @@ static int filter_frame(AVFilterLink *link, AVFrame *in)
s->alpha_dst_format.width = out->width;
s->alpha_dst_format.height = out->height;
s->alpha_dst_format.depth = odesc->comp[0].depth;
s->alpha_dst_format.pixel_type = (desc->flags & AV_PIX_FMT_FLAG_FLOAT) ? ZIMG_PIXEL_FLOAT : odesc->comp[0].depth > 8 ? ZIMG_PIXEL_WORD : ZIMG_PIXEL_BYTE;
s->alpha_dst_format.pixel_type = (odesc->flags & AV_PIX_FMT_FLAG_FLOAT) ? ZIMG_PIXEL_FLOAT : odesc->comp[0].depth > 8 ? ZIMG_PIXEL_WORD : ZIMG_PIXEL_BYTE;
s->alpha_dst_format.color_family = ZIMG_COLOR_GREY;
zimg_filter_graph_free(s->alpha_graph);