libavfilter/vsrc_color.c:69: error: Uninitialized Value
  The value read from frame_rate_q.den was never initialized.

libavfilter/vsrc_color.c:69:9: 
67. 
68.     if (av_parse_video_rate(&color->frame_rate, color->framerate_str) < 0 ||
69.         frame_rate_q.den <= 0 || frame_rate_q.num <= 0) {
            ^
70.         av_log(ctx, AV_LOG_ERROR, "Invalid frame rate: %s\n", color->framerate_str);
71.         return AVERROR(EINVAL);
