[FFmpeg-trac] #5538(undetermined:new): adpcm_ima_amv ERROR: step_index errors

[FFmpeg]

#5538: adpcm_ima_amv ERROR: step_index errors
-------------------------------------+-------------------------------------
               Reporter:  pross      |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:
                Version:  git-       |  undetermined
  master                             |               Keywords:  avcodec
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 FFmpeg spews out errors and does not decode audio for the attached file.

 The file came with my media player (锐族X-02, based on Agptek A02). The
 audio/video both play back correctly on that device.

 {{{
 % ffplay adpcm_ima_amv_error.amv
 ffplay version N-79865-gdd2d26d Copyright (c) 2003-2016 the FFmpeg
 developers
   built with gcc 5.2.1 (Ubuntu 5.2.1-22ubuntu2) 20151010
   configuration:
   libavutil      55. 24.100 / 55. 24.100
   libavcodec     57. 40.100 / 57. 40.100
   libavformat    57. 36.100 / 57. 36.100
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 45.100 /  6. 45.100
   libswscale      4.  1.100 /  4.  1.100
   libswresample   2.  0.101 /  2.  0.101
     nan    :  0.000 fd=   0 aq=    0KB vq=    0KB sq=    0B f=0/0   ^M[avi
 @ 0x7f9a24009280] scale/rate is 0/0 which is invalid. (This file has been
 generated by broken software.)
     Last message repeated 1 times
 Input #0, avi, from 'adpcm_ima_amv_error.amv':
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: amv, yuvj420p(pc, bt470bg/unknown/unknown),
 160x128, 30 fps, 30 tbr, 30 tbn
     Stream #0:1: Audio: adpcm_ima_amv ([1][0][0][0] / 0x0001), 22050 Hz, 1
 channels, s16, 352 kb/s
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24832
     Last message repeated 9 times
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24833
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24832
     Last message repeated 21 times
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24833
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24832
     Last message repeated 1 times
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24837
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24832
     Last message repeated 4 times
 [swscaler @ 0x7f9a0c012c40] deprecated pixel format used, make sure you
 did set range correctly
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24832
     Last message repeated 3 times
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24834
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24832
     Last message repeated 16 times
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24836
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24832
     Last message repeated 3 times
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24836
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24832
     Last message repeated 11 times
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24835
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24832
     Last message repeated 3 times
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24834
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24832
     Last message repeated 3 times
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24835
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24832
     Last message repeated 4 times
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24834
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24832
     Last message repeated 4 times
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24835
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24832
     Last message repeated 28 times
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24834
 [adpcm_ima_amv @ 0x7f9a240124a0] ERROR: step_index = 24832
     Last message repeated 2 times
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5538>
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