[FFmpeg-trac] #3339(undetermined:open): Remuxing m2ts to mkv, Can't write packet with unknown timestamp

FFmpeg trac at avcodec.org
Wed Jan 22 12:01:16 CET 2014


#3339: Remuxing m2ts to mkv,  Can't write packet with unknown timestamp
-------------------------------------+-------------------------------------
             Reporter:  Selur        |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  important    |                Component:
              Version:  git-master   |  undetermined
             Keywords:               |               Resolution:
  av_interleaved_write_frame h264    |               Blocked By:
  regression                         |  Reproduced by developer:  1
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Changes (by cehoyos):

 * keywords:   => av_interleaved_write_frame h264 regression
 * priority:  normal => important
 * status:  new => open
 * reproduced:  0 => 1


Comment:

 Regression since 4eb49fdd
 {{{
 $ ffmpeg -i sample_cut.m2ts -an -vcodec copy out.mkv
 ffmpeg version N-60087-g94a5241 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Jan 22 2014 11:53:59 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      52. 63.100 / 52. 63.100
   libavcodec     55. 48.102 / 55. 48.102
   libavformat    55. 25.101 / 55. 25.101
   libavdevice    55.  5.102 / 55.  5.102
   libavfilter     4.  1.100 /  4.  1.100
   libswscale      2.  5.101 /  2.  5.101
   libswresample   0. 17.104 /  0. 17.104
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, mpegts, from 'sample_cut.m2ts':
   Duration: 00:00:02.17, start: 600.000000, bitrate: 9442 kb/s
   Program 1
     Stream #0:0[0x1011]: Video: h264 (High) ([27][0][0][0] / 0x001B),
 yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 90k tbn,
 47.95 tbc
     Stream #0:1[0x1100]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz,
 5.1(side), fltp, 640 kb/s
 Output #0, matroska, to 'out.mkv':
   Metadata:
     encoder         : Lavf55.25.101
     Stream #0:0: Video: h264 (H264 / 0x34363248), yuv420p, 1920x1080 [SAR
 1:1 DAR 16:9], q=2-31, 23.98 fps, 1k tbn, 90k tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
 Press [q] to stop, [?] for help
 [matroska @ 0x1c63920] Can't write packet with unknown timestamp
 av_interleaved_write_frame(): Invalid argument
 frame=   25 fps=0.0 q=-1.0 Lsize=       4kB time=00:00:00.91 bitrate=
 35.8kbits/s
 video:234kB audio:0kB subtitle:0 global headers:0kB muxing overhead
 -98.282415%
 }}}
 {{{
 $ ffmpeg -fflags +genpts -i sample_cut.m2ts -an -vcodec copy out.mkv
 ffmpeg version N-60087-g94a5241 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Jan 22 2014 11:53:59 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      52. 63.100 / 52. 63.100
   libavcodec     55. 48.102 / 55. 48.102
   libavformat    55. 25.101 / 55. 25.101
   libavdevice    55.  5.102 / 55.  5.102
   libavfilter     4.  1.100 /  4.  1.100
   libswscale      2.  5.101 /  2.  5.101
   libswresample   0. 17.104 /  0. 17.104
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, mpegts, from 'sample_cut.m2ts':
   Duration: 00:00:02.17, start: 600.000000, bitrate: 9442 kb/s
   Program 1
     Stream #0:0[0x1011]: Video: h264 (High) ([27][0][0][0] / 0x001B),
 yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 90k tbn,
 47.95 tbc
     Stream #0:1[0x1100]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz,
 5.1(side), fltp, 640 kb/s
 Output #0, matroska, to 'out.mkv':
   Metadata:
     encoder         : Lavf55.25.101
     Stream #0:0: Video: h264 (H264 / 0x34363248), yuv420p, 1920x1080 [SAR
 1:1 DAR 16:9], q=2-31, 23.98 fps, 1k tbn, 90k tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
 Press [q] to stop, [?] for help
 [matroska @ 0x1c891e0] Can't write packet with unknown timestamp
 av_interleaved_write_frame(): Invalid argument
 frame=   25 fps=0.0 q=-1.0 Lsize=       4kB time=00:00:00.91 bitrate=
 35.8kbits/s
 video:234kB audio:0kB subtitle:0 global headers:0kB muxing overhead
 -98.282415%
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3339#comment:3>
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