diff --git a/fftools/ffmpeg.h b/fftools/ffmpeg.h
index 0b9f8a20c6..bf2c6c8c71 100644
--- a/fftools/ffmpeg.h
+++ b/fftools/ffmpeg.h
@@ -500,6 +500,7 @@ typedef struct InputStreamGroup {
 
     int                   index;
 
+    FilterGraph          *fg;
     AVStreamGroup        *stg;
 } InputStreamGroup;
 
diff --git a/fftools/ffmpeg_mux_init.c b/fftools/ffmpeg_mux_init.c
index c24b69f2d1..7c7302bac1 100644
--- a/fftools/ffmpeg_mux_init.c
+++ b/fftools/ffmpeg_mux_init.c
@@ -1598,6 +1598,7 @@ fail:
 static int map_auto_video(Muxer *mux, const OptionsContext *o)
 {
     AVFormatContext *oc = mux->fc;
+    InputStreamGroup *best_istg = NULL;
     InputStream *best_ist = NULL;
     int64_t best_score = 0;
     int qcr;
@@ -1609,8 +1610,35 @@ static int map_auto_video(Muxer *mux, const OptionsContext *o)
     qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0);
     for (int j = 0; j < nb_input_files; j++) {
         InputFile *ifile = input_files[j];
+        InputStreamGroup *file_best_istg = NULL;
         InputStream *file_best_ist = NULL;
         int64_t file_best_score = 0;
+        for (int i = 0; i < ifile->nb_stream_groups; i++) {
+            InputStreamGroup *istg = ifile->stream_groups[i];
+            int64_t score = 0;
+
+            if (!istg->fg)
+                continue;
+
+            for (int j = 0; j < istg->stg->nb_streams; j++) {
+                AVStream *st = istg->stg->streams[j];
+
+                if (st->event_flags & AVSTREAM_EVENT_FLAG_NEW_PACKETS) {
+                    score = 100000000;
+                    break;
+                }
+            }
+
+            switch (istg->stg->type) {
+            default:
+                continue;
+            }
+
+            if (score > file_best_score) {
+                file_best_score = score;
+                file_best_istg  = istg;
+            }
+        }
         for (int i = 0; i < ifile->nb_streams; i++) {
             InputStream *ist = ifile->streams[i];
             int64_t score;
@@ -1630,6 +1658,15 @@ static int map_auto_video(Muxer *mux, const OptionsContext *o)
                     continue;
                 file_best_score = score;
                 file_best_ist   = ist;
+                file_best_istg  = NULL;
+            }
+        }
+        if (file_best_istg) {
+            file_best_score -= 5000000*!!(file_best_istg->stg->disposition & AV_DISPOSITION_DEFAULT);
+            if (file_best_score > best_score) {
+                best_score = file_best_score;
+                best_istg = file_best_istg;
+                best_ist = NULL;
             }
         }
         if (file_best_ist) {
@@ -1639,9 +1676,19 @@ static int map_auto_video(Muxer *mux, const OptionsContext *o)
             if (file_best_score > best_score) {
                 best_score = file_best_score;
                 best_ist = file_best_ist;
+                best_istg = NULL;
             }
        }
     }
+    if (best_istg) {
+        FilterGraph *fg = best_istg->fg;
+        OutputFilter *ofilter = fg->outputs[0];
+
+        av_assert0(fg->nb_outputs == 1);
+        av_log(mux, AV_LOG_VERBOSE, "Creating output stream from stream group derived complex filtergraph %d.\n", fg->index);
+
+        return ost_add(mux, o, AVMEDIA_TYPE_VIDEO, NULL, ofilter, NULL, NULL);
+    }
     if (best_ist)
         return ost_add(mux, o, AVMEDIA_TYPE_VIDEO, best_ist, NULL, NULL, NULL);