- Bug fix for AVStream->r_frame_rate not being initialized for live video

capture.


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@499 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

ffmpeg.c

@@ -2171,6 +2171,8 @@ void prepare_grab(void)
     
     if (has_video) {
         ic = av_open_input_file("", "video_grab_device", 0, ap);
+        /* by now video grab has one stream */
+        ic->streams[0]->r_frame_rate = ap->frame_rate;
         if (!ic) {
             fprintf(stderr, "Could not open video grab device\n");
             exit(1);