[FFmpeg-trac] #2058(undetermined:open): FFMPEG sometimes not able to stream copy WTV files, error with pts < dts

FFmpeg trac at avcodec.org
Wed Dec 26 01:58:40 CET 2012


#2058: FFMPEG sometimes not able to stream copy WTV files, error with pts < dts
-------------------------------------+-------------------------------------
             Reporter:  ramitbhalla  |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:               |               Resolution:
  av_interleaved_write_frame wtv     |               Blocked By:
  mpeg2video                         |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by ramitbhalla):

 I'm attaching a small sample. Here is the command (simplified) to
 reproduce the issue:

 ffmpeg -threads 0 -i csi.ts -map 0:a -map 0:v -vcodec copy -acodec copy
 "csi-test.ts"

 {{{

 ffmpeg version N-48065-g6375318 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Dec 21 2012 09:06:30 with gcc 4.7.2 (GCC)
   configuration: --enable-static --arch=x86 --target-os=mingw32 --cross-
 prefix=/home/rdp/dev/ffmpeg-windows-build-helper
 s/sandbox/mingw-w64-i686/bin/i686-w64-mingw32- --pkg-config=pkg-config
 --enable-gpl --enable-libx264 --enable-avisynth -
 -enable-libxvid --enable-libmp3lame --enable-version3 --enable-zlib
 --enable-librtmp --enable-libvorbis --enable-libtheo
 ra --enable-libspeex --enable-libopenjpeg --enable-gnutls --enable-libgsm
 --enable-libfreetype --enable-fontconfig --ena
 ble-libass --enable-libutvideo --enable-libopus --disable-w32threads
 --enable-frei0r --enable-filter=frei0r --enable-lib
 vo-aacenc --enable-bzlib --enable-libxavs --extra-
 cflags=-DPTW32_STATIC_LIB --enable-libopencore-amrnb --enable-libopenc
 ore-amrwb --enable-libvo-amrwbenc --enable-libschroedinger --enable-
 libbluray --enable-libvpx --enable-runtime-cpudetect

   libavutil      52. 12.100 / 52. 12.100
   libavcodec     54. 81.100 / 54. 81.100
   libavformat    54. 49.102 / 54. 49.102
   libavdevice    54.  3.102 / 54.  3.102
   libavfilter     3. 29.100 /  3. 29.100
   libswscale      2.  1.103 /  2.  1.103
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  2.100 / 52.  2.100
 Input #0, mpegts, from 'csi.ts':
   Duration: 00:00:01.44, start: 1.269000, bitrate: 7733 kb/s
   Program 1
     Metadata:
       service_name    : Service01
       service_provider: FFmpeg
     Stream #0:0[0x100]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002),
 yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 59.94 fp
 s, 59.92 tbr, 90k tbn, 119.88 tbc
     Stream #0:1[0x101]: Audio: ac3 ([129][0][0][0] / 0x0081), 48000 Hz,
 stereo, fltp, 192 kb/s
 File 'csi-test.ts' already exists. Overwrite ? [y/N] y
 Output #0, mpegts, to 'csi-test.ts':
   Metadata:
     encoder         : Lavf54.49.102
     Stream #0:0: Audio: ac3 ([129][0][0][0] / 0x0081), 48000 Hz, stereo,
 192 kb/s
     Stream #0:1: Video: mpeg2video ([2][0][0][0] / 0x0002), yuv420p,
 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 59.94 fps, 90k
  tbn, 59.94 tbc
 Stream mapping:
   Stream #0:1 -> #0:0 (copy)
   Stream #0:0 -> #0:1 (copy)
 Press [q] to stop, [?] for help
 [mpegts @ 03630060] st:0 PTS: 43650 DTS: 39150 < 39151 invalid, clipping
 [mpegts @ 03630060] pts (42120) < dts (43650) in stream 1
 av_interleaved_write_frame(): Invalid argument
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2058#comment:6>
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