fprintf(fp," ff_video_bitrate=%d\n", ff_video_bitrate);
fprintf(fp," ff_video_quality=%d\n", ff_video_quality);
fprintf(fp," audio_data %d channels %d samplerate %d bits %d"
fprintf(fp," ff_video_bitrate=%d\n", ff_video_bitrate);
fprintf(fp," ff_video_quality=%d\n", ff_video_quality);
fprintf(fp," audio_data %d channels %d samplerate %d bits %d"