[FFmpeg-trac] #10118(undetermined:new): AC3 decoding throws error number -16976906 ... vlc plays well

FFmpeg trac at avcodec.org
Sat Dec 24 02:33:06 EET 2022


#10118: AC3 decoding throws error number -16976906 ... vlc plays well
-------------------------------------+-------------------------------------
             Reporter:  mvelanka     |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Comment (by mvelanka):

 I have uploaded the file at

 https://www.mediafire.com/file/ee70pfx8cqywbi7/orig_file.ts/file

 file name = orig_file.ts

 It has following contents
 --------------------------------
 Input #0, mpegts, from 'orig_file.ts':
   Duration: 00:00:16.52, start: 251.672000, bitrate: 2479 kb/s
   Program 1
     Metadata:
       service_name    : Service01
       service_provider: FFmpeg
     Stream #0:0[0x100]: Video: h264 (Main) ([27][0][0][0] / 0x001B),
 yuv420p(tv, bt709, progressive), 856x480 [SAR 320:321 DAR 16:9], 30 fps,
 59.94 tbr, 90k tbn, 60 tbc
     Stream #0:1[0x101](eng): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz,
 5.1(side), fltp, 384 kb/s
     Stream #0:2[0x102](spa): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz,
 stereo, fltp, 128 kb/s
     Stream #0:3[0x103](eng): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz,
 stereo, fltp, 192 kb/s (visual impaired) (descriptions)
     Stream #0:4[0x104]: Data: klv (KLVA / 0x41564C4B)
 -----------------------
 Out of above
 Stream #0:2[0x102](spa): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, stereo,
 fltp, 128 kb/s
 Is the stream in question.
 Try to decode it or transcode it to 'aac' format.

 What I have seen is the call to avcodec_send_packet returns
 AAC_AC3_PARSE_ERROR_SYNC

 Also try to play it in VLC player .......you will get all the audio
 streams properly.
 Please see what is the issue in ffmpeg and whether/how it can be
 solved/worked around.

 Thanks for your support
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10118#comment:5>
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