avfilter/avf_avectorscope: make use of av_rescale

[ffmpeg] / libavfilter / vf_overlay_qsv.c

diff --git a/libavfilter/vf_overlay_qsv.c b/libavfilter/vf_overlay_qsv.c
index 20871786eea419b0526fa54abd7d1e82a280a539..9aabb594ba9e2efc9d32ff764472fce4a167d4a9 100644 (file)
--- a/libavfilter/vf_overlay_qsv.c
+++ b/libavfilter/vf_overlay_qsv.c
@@ -160,7 +160,7 @@ release:
 
 static int have_alpha_planar(AVFilterLink *link)
 {
-    enum AVPixelFormat pix_fmt;
+    enum AVPixelFormat pix_fmt = link->format;
     const AVPixFmtDescriptor *desc;
     AVHWFramesContext *fctx;