[FFmpeg-trac] #8821(undetermined:open): Remuxing amr does not work (was: 3GP corrupted after optimization)

[FFmpeg]

#8821: Remuxing amr does not work
-------------------------------------+-------------------------------------
             Reporter:  necros       |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:  mov          |               Blocked By:
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Changes (by cehoyos):

 * keywords:  3gp corruption optimization => mov
 * status:  new => open
 * reproduced:  0 => 1


Comment:

 For future tickets: Please remember to always provide the command line you
 tested together with the complete, uncut console output.
 Not a regression afaict.
 {{{
 $ ffmpeg -i test.3gp -c copy out.3gp
 ffmpeg version N-98574-gfa3da243e6 Copyright (c) 2000-2020 the FFmpeg
 developers
   built with gcc 9 (SUSE Linux)
   configuration: --enable-gpl --enable-gnutls --enable-libmp3lame
 --enable-libx264 --enable-libx265 --enable-libdav1d --enable-libvpx
 --enable-libopus --enable-libxml2 --enable-libwebp --enable-librav1e
 --enable-libfreetype --enable-libass
   libavutil      56. 57.100 / 56. 57.100
   libavcodec     58. 97.102 / 58. 97.102
   libavformat    58. 49.100 / 58. 49.100
   libavdevice    58. 11.101 / 58. 11.101
   libavfilter     7. 87.100 /  7. 87.100
   libswscale      5.  8.100 /  5.  8.100
   libswresample   3.  8.100 /  3.  8.100
   libpostproc    55.  8.100 / 55.  8.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test.3gp':
   Metadata:
     major_brand     : 3gp5
     minor_version   : 256
     compatible_brands: isom3gp53gp4
     creation_time   : 2019-07-29T00:11:54.000000Z
   Duration: 00:00:08.60, start: 0.000000, bitrate: 84 kb/s
     Stream #0:0(und): Audio: amr_nb (samr / 0x726D6173), 8000 Hz, mono,
 flt, 12 kb/s (default)
     Metadata:
       creation_time   : 2019-07-29T00:11:54.000000Z
       handler_name    : Core Media Audio
     Stream #0:1(und): Video: h263 (s263 / 0x33363273), yuv420p, 176x144
 [SAR 12:11 DAR 4:3], 69 kb/s, 10 fps, 10 tbr, 600 tbn, 29.97 tbc (default)
     Metadata:
       creation_time   : 2019-07-29T00:11:54.000000Z
       handler_name    : Core Media Video
 [3gp @ 0x2d9efc0] track 1: codec frame size is not set
 Output #0, 3gp, to 'out.3gp':
   Metadata:
     major_brand     : 3gp5
     minor_version   : 256
     compatible_brands: isom3gp53gp4
     encoder         : Lavf58.49.100
     Stream #0:0(und): Video: h263 (s263 / 0x33363273), yuv420p, 176x144
 [SAR 12:11 DAR 4:3], q=2-31, 69 kb/s, 10 fps, 10 tbr, 19200 tbn, 600 tbc
 (default)
     Metadata:
       creation_time   : 2019-07-29T00:11:54.000000Z
       handler_name    : Core Media Video
     Stream #0:1(und): Audio: amr_nb (samr / 0x726D6173), 8000 Hz, mono,
 flt, 12 kb/s (default)
     Metadata:
       creation_time   : 2019-07-29T00:11:54.000000Z
       handler_name    : Core Media Audio
 Stream mapping:
   Stream #0:1 -> #0:0 (copy)
   Stream #0:0 -> #0:1 (copy)
 Press [q] to stop, [?] for help
 [3gp @ 0x2d9efc0] fatal error, input is not a single packet, implement a
 AVParser for it
 av_interleaved_write_frame(): Operation not permitted
 [3gp @ 0x2d9efc0] fatal error, input is not a single packet, implement a
 AVParser for it
 Error writing trailer of out.3gp: Operation not permitted
 frame=    1 fps=0.0 q=-1.0 Lsize=       2kB time=00:00:00.39 bitrate=
 50.3kbits/s speed=4.82e+03x
 video:2kB audio:1kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 Conversion failed!
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/8821#comment:3>
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