[FFmpeg-trac] #6341(ffmpeg:new): last subtitle line in mp4 continues until end of file, real end time ignored

FFmpeg trac at avcodec.org
Sat Apr 22 01:06:19 EEST 2017


#6341: last subtitle line in mp4 continues until end of file, real end time
ignored
---------------------------------+---------------------------------------
             Reporter:  sneaker  |                     Type:  defect
               Status:  new      |                 Priority:  normal
            Component:  ffmpeg   |                  Version:  unspecified
             Keywords:           |               Blocked By:
             Blocking:           |  Reproduced by developer:  0
Analyzed by developer:  0        |
---------------------------------+---------------------------------------
 Summary of the bug:
 The last subtitle line of timed text in mp4 continues until end of a move,
 the real end time of the subtitle line is ignored. But this only happens
 with mp4 files created by ffmpeg itself. So it could be an mp4 muxer bug
 plus the mp4 demuxer not handling this error well.

 Considering the subtitle track duration is limited by the edit list
 anyways this may be considered a triple bug:
 1. original mp4 muxer problem
 2. mp4 demuxer error handling
 3. mp4 demuxer not using edit list

 To reproduce:
 ```
 ffmpeg -report -i "source.mkv" -c:v copy -c:s mov_text "interm.mp4"
 ffmpeg -report -i "interm.mp4" -c:v copy -c:s ass "final.mkv"
 ffmpeg -report -i "interm_mp4box.mp4" -c:v copy -c:s ass
 "final_mp4box.mkv"
 ```
 Download sample package with all files and logs is attached.


 Here's the report of mkv to mp4 by ffmpeg and the subtitle file to get an
 overview. There are more reports in the sample package.
 ```
 1
 00:00:03,000 --> 00:00:13,000
 line 1

 2
 00:00:15,000 --> 00:00:17,000
 line 2 (last)

 ```

 {{{
 ffmpeg started on 2017-04-21 at 23:44:03
 Report written to "ffmpeg-20170421-234403.log"
 Command line:
 ffmpeg -report -i source.mkv -c:v copy -c:s mov_text interm.mp4
 ffmpeg version N-85588-g6108805 Copyright (c) 2000-2017 the FFmpeg
 developers
   built with gcc 6.3.0 (GCC)
   configuration: --enable-gpl --enable-version3 --enable-cuda --enable-
 cuvid --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-nvenc
 --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r
 --enable-gnutls --enable-iconv --enable-libass --enable-libbluray
 --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme
 --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame
 --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264
 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libsnappy
 --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame
 --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-
 libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-
 libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma
 --enable-zlib
   libavutil      55. 61.100 / 55. 61.100
   libavcodec     57. 93.100 / 57. 93.100
   libavformat    57. 72.101 / 57. 72.101
   libavdevice    57.  7.100 / 57.  7.100
   libavfilter     6. 84.101 /  6. 84.101
   libswscale      4.  7.101 /  4.  7.101
   libswresample   2.  8.100 /  2.  8.100
   libpostproc    54.  6.100 / 54.  6.100
 Splitting the commandline.
 Reading option '-report' ... matched as option 'report' (generate a
 report) with argument '1'.
 Reading option '-i' ... matched as input url with argument 'source.mkv'.
 Reading option '-c:v' ... matched as option 'c' (codec name) with argument
 'copy'.
 Reading option '-c:s' ... matched as option 'c' (codec name) with argument
 'mov_text'.
 Reading option 'interm.mp4' ... matched as output url.
 Finished splitting the commandline.
 Parsing a group of options: global .
 Applying option report (generate a report) with argument 1.
 Successfully parsed a group of options.
 Parsing a group of options: input url source.mkv.
 Successfully parsed a group of options.
 Opening an input file: source.mkv.
 [file @ 00000000004694a0] Setting default whitelist 'file,crypto'
 [matroska,webm @ 00000000004ba880] Format matroska,webm probed with
 size=2048 and score=100
 st:0 removing common factor 1000000 from timebase
 st:1 removing common factor 1000000 from timebase
 [matroska,webm @ 00000000004ba880] Before avformat_find_stream_info() pos:
 5505 bytes read:33585 seeks:2 nb_streams:2
 [h264 @ 00000000004bb080] nal_unit_type: 7, nal_ref_idc: 3
 [h264 @ 00000000004bb080] nal_unit_type: 8, nal_ref_idc: 3
 [h264 @ 00000000004bb080] nal_unit_type: 7, nal_ref_idc: 3
 [h264 @ 00000000004bb080] nal_unit_type: 8, nal_ref_idc: 3
 [h264 @ 00000000004bb080] user data:"x264 - core 148 r2762 90a61ec -
 H.264/MPEG-4 AVC codec - Copyleft 2003-2017 -
 http://www.videolan.org/x264.html - options: cabac=1 ref=16 deblock=1:0:0
 analyse=0x3:0x133 me=umh subme=10 psy=1 psy_rd=1.00:0.00 mixed_ref=1
 me_range=24 chroma_me=1 trellis=2 8x8dct=1 cqm=0 deadzone=21,11
 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1
 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0
 constrained_intra=0 bframes=8 b_pyramid=2 b_adapt=2 b_bias=0 direct=3
 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40
 intra_refresh=0 rc_lookahead=60 rc=crf mbtree=1 crf=18.0 qcomp=0.60
 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00"
 [h264 @ 00000000004bb080] nal_unit_type: 7, nal_ref_idc: 3
 [h264 @ 00000000004bb080] nal_unit_type: 8, nal_ref_idc: 3
 [h264 @ 00000000004bb080] nal_unit_type: 6, nal_ref_idc: 0
 [h264 @ 00000000004bb080] nal_unit_type: 5, nal_ref_idc: 3
 [h264 @ 00000000004bb080] user data:"x264 - core 148 r2762 90a61ec -
 H.264/MPEG-4 AVC codec - Copyleft 2003-2017 -
 http://www.videolan.org/x264.html - options: cabac=1 ref=16 deblock=1:0:0
 analyse=0x3:0x133 me=umh subme=10 psy=1 psy_rd=1.00:0.00 mixed_ref=1
 me_range=24 chroma_me=1 trellis=2 8x8dct=1 cqm=0 deadzone=21,11
 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1
 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0
 constrained_intra=0 bframes=8 b_pyramid=2 b_adapt=2 b_bias=0 direct=3
 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40
 intra_refresh=0 rc_lookahead=60 rc=crf mbtree=1 crf=18.0 qcomp=0.60
 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00"
 [h264 @ 00000000004bb080] Reinit context to 848x480, pix_fmt: yuv420p
 [h264 @ 00000000004bb080] no picture
 [matroska,webm @ 00000000004ba880] All info found
 [matroska,webm @ 00000000004ba880] After avformat_find_stream_info() pos:
 38386 bytes read:99121 seeks:2 frames:4
 Input #0, matroska,webm, from 'source.mkv':
   Metadata:
     encoder         : libebml v1.3.4 + libmatroska v1.4.5
     creation_time   : 2017-04-21T19:50:27.000000Z
   Duration: 00:00:30.00, start: 0.000000, bitrate: 45 kb/s
     Stream #0:0, 4, 1/1000: Video: h264 (High), yuv420p(progressive),
 848x480, SAR 1:1 DAR 53:30, 25 fps, 25 tbr, 1k tbn, 50 tbc (default)
     Metadata:
       BPS             : 43016
       BPS-eng         : 43016
       DURATION        : 00:00:30.000000000
       DURATION-eng    : 00:00:30.000000000
       NUMBER_OF_FRAMES: 750
       NUMBER_OF_FRAMES-eng: 750
       NUMBER_OF_BYTES : 161311
       NUMBER_OF_BYTES-eng: 161311
       _STATISTICS_WRITING_APP: mkvmerge v10.0.0 ('To Drown In You') 32bit
       _STATISTICS_WRITING_APP-eng: mkvmerge v10.0.0 ('To Drown In You')
 32bit
       _STATISTICS_WRITING_DATE_UTC: 2017-04-21 19:50:27
       _STATISTICS_WRITING_DATE_UTC-eng: 2017-04-21 19:50:27
       _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
       _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
     Stream #0:1, 0, 1/1000: Subtitle: subrip (default)
     Metadata:
       BPS             : 10
       BPS-eng         : 10
       DURATION        : 00:00:14.000000000
       DURATION-eng    : 00:00:14.000000000
       NUMBER_OF_FRAMES: 2
       NUMBER_OF_FRAMES-eng: 2
       NUMBER_OF_BYTES : 19
       NUMBER_OF_BYTES-eng: 19
       _STATISTICS_WRITING_APP: mkvmerge v10.0.0 ('To Drown In You') 32bit
       _STATISTICS_WRITING_APP-eng: mkvmerge v10.0.0 ('To Drown In You')
 32bit
       _STATISTICS_WRITING_DATE_UTC: 2017-04-21 19:50:27
       _STATISTICS_WRITING_DATE_UTC-eng: 2017-04-21 19:50:27
       _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
       _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
 Successfully opened the file.
 Parsing a group of options: output url interm.mp4.
 Applying option c:v (codec name) with argument copy.
 Applying option c:s (codec name) with argument mov_text.
 Successfully parsed a group of options.
 Opening an output file: interm.mp4.
 [file @ 00000000004bc720] Setting default whitelist 'file,crypto'
 Successfully opened the file.
 Output #0, mp4, to 'interm.mp4':
   Metadata:
     encoder         : Lavf57.72.101
     Stream #0:0, 0, 1/16000: Video: h264 (High) ([33][0][0][0] / 0x0021),
 yuv420p(progressive), 848x480 [SAR 1:1 DAR 53:30], q=2-31, 25 fps, 25 tbr,
 16k tbn, 1k tbc (default)
     Metadata:
       BPS             : 43016
       BPS-eng         : 43016
       DURATION        : 00:00:30.000000000
       DURATION-eng    : 00:00:30.000000000
       NUMBER_OF_FRAMES: 750
       NUMBER_OF_FRAMES-eng: 750
       NUMBER_OF_BYTES : 161311
       NUMBER_OF_BYTES-eng: 161311
       _STATISTICS_WRITING_APP: mkvmerge v10.0.0 ('To Drown In You') 32bit
       _STATISTICS_WRITING_APP-eng: mkvmerge v10.0.0 ('To Drown In You')
 32bit
       _STATISTICS_WRITING_DATE_UTC: 2017-04-21 19:50:27
       _STATISTICS_WRITING_DATE_UTC-eng: 2017-04-21 19:50:27
       _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
       _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
     Stream #0:1, 0, 1/1000000: Subtitle: mov_text ([8][0][0][0] / 0x0008)
 (default)
     Metadata:
       BPS             : 10
       BPS-eng         : 10
       DURATION        : 00:00:14.000000000
       DURATION-eng    : 00:00:14.000000000
       NUMBER_OF_FRAMES: 2
       NUMBER_OF_FRAMES-eng: 2
       NUMBER_OF_BYTES : 19
       NUMBER_OF_BYTES-eng: 19
       _STATISTICS_WRITING_APP: mkvmerge v10.0.0 ('To Drown In You') 32bit
       _STATISTICS_WRITING_APP-eng: mkvmerge v10.0.0 ('To Drown In You')
 32bit
       _STATISTICS_WRITING_DATE_UTC: 2017-04-21 19:50:27
       _STATISTICS_WRITING_DATE_UTC-eng: 2017-04-21 19:50:27
       _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
       _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
       encoder         : Lavc57.93.100 mov_text
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
   Stream #0:1 -> #0:1 (subrip (srt) -> mov_text (native))
 Press [q] to stop, [?] for help
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 [mp4 @ 00000000004c1900] Delay between the first packet and last packet in
 the muxing queue is 10040000 > 10000000: forcing output
 No more output streams to write to, finishing.
 frame=  750 fps=0.0 q=-1.0 Lsize=     167kB time=00:00:29.88 bitrate=
 45.7kbits/s speed=4.27e+003x
 video:158kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 5.751422%
 Input file #0 (source.mkv):
   Input stream #0:0 (video): 750 packets read (161311 bytes);
   Input stream #0:1 (subtitle): 2 packets read (19 bytes); 2 frames
 decoded;
   Total: 752 packets (161330 bytes) demuxed
 Output file #0 (interm.mp4):
   Output stream #0:0 (video): 750 packets muxed (161311 bytes);
   Output stream #0:1 (subtitle): 2 frames encoded; 2 packets muxed (23
 bytes);
   Total: 752 packets (161334 bytes) muxed
 2 frames successfully decoded, 0 decoding errors
 [AVIOContext @ 000000000056d740] Statistics: 58 seeks, 800 writeouts
 [AVIOContext @ 0000000000469640] Statistics: 200472 bytes read, 2 seeks

 }}}
 Patches should be submitted to the ffmpeg-devel mailing list and not this
 bug tracker.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6341>
FFmpeg <https://ffmpeg.org>
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