[FFmpeg-devel] [PATCH] vf_zscale: Fix alpha destination graph for floating point pixel formats

[Vittorio Giovara]

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 at gmail.com>
---
 libavfilter/vf_zscale.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/vf_zscale.c b/libavfilter/vf_zscale.c
index 865910bd87..6e1d36cb4c 100644
--- a/libavfilter/vf_zscale.c
+++ b/libavfilter/vf_zscale.c
@@ -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);
-- 
2.14.2