[FFmpeg-trac] #1182(undetermined:open): [ac3] frame sync error

FFmpeg trac at avcodec.org
Sun Dec 2 22:42:06 EET 2018


#1182: [ac3] frame sync error
-------------------------------------+-------------------------------------
             Reporter:  carlrosmann  |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  minor        |                Component:
              Version:  git-master   |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  1
-------------------------------------+-------------------------------------

Comment (by cehoyos):

 Same warning as before with second sample:
 {{{
 $ ffmpeg -ss 10 -i dvdsample -t 10 -f null -
 ffmpeg version N-92592-g5d8df52 Copyright (c) 2000-2018 the FFmpeg
 developers
   built with gcc 6.4.0 (GCC)
   configuration: --enable-gpl --enable-libxml2 --enable-gnutls
   libavutil      56. 24.101 / 56. 24.101
   libavcodec     58. 41.100 / 58. 41.100
   libavformat    58. 23.102 / 58. 23.102
   libavdevice    58.  6.101 / 58.  6.101
   libavfilter     7. 46.101 /  7. 46.101
   libswscale      5.  4.100 /  5.  4.100
   libswresample   3.  4.100 /  3.  4.100
   libpostproc    55.  4.100 / 55.  4.100
 [mpeg2video @ 0x23d5240] Invalid frame dimensions 0x0.
     Last message repeated 10 times
 Input #0, mpeg, from 'dvdsample':
   Duration: 00:00:24.60, start: 0.287267, bitrate: 3462 kb/s
     Stream #0:0[0x1e0]: Video: mpeg2video (Main), yuv420p(tv, top first),
 720x576 [SAR 64:45 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
     Stream #0:1[0x80]: Audio: ac3, 48000 Hz, 5.1(side), fltp, 384 kb/s
     Stream #0:2[0x81]: Audio: ac3, 48000 Hz, 5.1(side), fltp, 384 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (mpeg2video (native) -> wrapped_avframe (native))
   Stream #0:1 -> #0:1 (ac3 (native) -> pcm_s16le (native))
 Press [q] to stop, [?] for help
 [ac3 @ 0x23df600] frame sync error
 Error while decoding stream #0:1: Invalid data found when processing input
 Output #0, null, to 'pipe:':
   Metadata:
     encoder         : Lavf58.23.102
     Stream #0:0: Video: wrapped_avframe, yuv420p, 720x576 [SAR 64:45 DAR
 16:9], q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc
     Metadata:
       encoder         : Lavc58.41.100 wrapped_avframe
     Stream #0:1: Audio: pcm_s16le, 48000 Hz, 5.1(side), s16, 4608 kb/s
     Metadata:
       encoder         : Lavc58.41.100 pcm_s16le
 frame=  250 fps=0.0 q=-0.0 Lsize=N/A time=00:00:10.00 bitrate=N/A
 speed=92.3x
 video:131kB audio:5625kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/1182#comment:8>
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