X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavfilter%2Fvf_mp.c;h=9e413b4776d66fe826d763a33569eaaac13688e0;hb=c9584f0c9c5f3b84c3b2e9b2b9d3a7fdc2e0fd0d;hp=36616b9c94f2ac1a87f2babce42d3e771e5df938;hpb=f4228097e41575dbbef56d65b01eb585892ce66b;p=ffmpeg

diff --git a/libavfilter/vf_mp.c b/libavfilter/vf_mp.c
index 36616b9c94f..9e413b4776d 100644
--- a/libavfilter/vf_mp.c
+++ b/libavfilter/vf_mp.c
@@ -41,6 +41,7 @@
 
 
 //FIXME maybe link the orig in
+//XXX: identical pix_fmt must be following with each others
 static const struct {
     int fmt;
     enum PixelFormat pix_fmt;
@@ -785,13 +786,17 @@ static int query_formats(AVFilterContext *ctx)
 {
     AVFilterFormats *avfmts=NULL;
     MPContext *m = ctx->priv;
+    enum PixelFormat lastpixfmt = PIX_FMT_NONE;
     int i;
 
     for(i=0; conversion_map[i].fmt; i++){
         av_log(ctx, AV_LOG_DEBUG, "query: %X\n", conversion_map[i].fmt);
         if(m->vf.query_format(&m->vf, conversion_map[i].fmt)){
             av_log(ctx, AV_LOG_DEBUG, "supported,adding\n");
-            avfilter_add_format(&avfmts, conversion_map[i].pix_fmt);
+            if (conversion_map[i].pix_fmt != lastpixfmt) {
+                avfilter_add_format(&avfmts, conversion_map[i].pix_fmt);
+                lastpixfmt = conversion_map[i].pix_fmt;
+            }
         }
     }