[FFmpeg-user] [EXTERNAL] Frame Drops and Audio Sync Issues

[James Board]

> Start by runing ffprobe on the file and post the output. (I've used 

Here is the ffprobe output for two files I captured with MediaExpress.The first uses an uncompressed UYVY format: this one had about 60frame drops.  The second uses a motion JPEG format: as far as I know,there were no frame drops.

> ffprobe DTM_AA.avi
  ....
  configuration: --enable-pic
  libavutil      52. 39.100 / 52. 39.100
  libavcodec     55. 18.102 / 55. 18.102
  libavformat    55. 12.102 / 55. 12.102
  libavdevice    55.  3.100 / 55.  3.100
  libavfilter     3. 80.101 /  3. 80.101
  libswscale      2.  3.100 /  2.  3.100
  libswresample   0. 17.102 /  0. 17.102
[avi @ 0x169c1a0] non-interleaved AVI

Input #0, avi, from 'DTM_AA.avi':
  Duration: 00:28:01.88, start: 0.000000, bitrate: 996932 kb/s
    Stream #0:0: Video: rawvideo (UYVY / 0x59565955), uyvy422, 1920x1080, 29.97 tbr, 29.97 tbn, 29.97 tbc
    Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, 2 channels, s16, 1536 kb/s



> ffprobe ST_1080i_MJPEG.avi
  ....
  configuration: --enable-pic
  libavutil      52. 39.100 / 52. 39.100
  libavcodec     55. 18.102 / 55. 18.102
  libavformat    55. 12.102 / 55. 12.102
  libavdevice    55.  3.100 / 55.  3.100
  libavfilter     3. 80.101 /  3. 80.101
  libswscale      2.  3.100 /  2.  3.100
  libswresample   0. 17.102 /  0. 17.102
[avi @ 0x28b81a0] non-interleaved AVI
Input #0, avi, from 'ST_1080i_MJPEG.avi':
  Duration: 00:30:16.61, start: 0.000000, bitrate: 67923 kb/s
    Stream #0:0: Video: mjpeg (MJPG / 0x47504A4D), yuvj422p, 1920x1080, 29.97 tbr, 29.97 tbn, 29.97 tbc
    Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, 2 channels, s16, 1536 kb/s