[FFmpeg-trac] #5380(avcodec:new): Concat fails on files passed through h264_mp4toannexb

FFmpeg trac at avcodec.org
Sat Mar 26 03:04:41 CET 2016


#5380: Concat fails on files passed through h264_mp4toannexb
-------------------------------------+-------------------------------------
             Reporter:               |                     Type:  defect
  andrey.utkin                       |                 Priority:  normal
               Status:  new          |                  Version:  git-
            Component:  avcodec      |  master
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 You cannot concat H.264-in-MP4 files which were previously created with
 "-bsf:v h264_mp4toannexb".

 This issue affects v2.8.6, v3.0 and git master HEAD.

 How to reproduce:

 test.sh:
 {{{
 #!/bin/bash -e

 FFMPEG=./ffmpeg

 $FFMPEG -f lavfi -i testsrc -t 10 -c:v libx264 -y orig.mp4

 $FFMPEG -i orig.mp4 -c copy -bsf:v h264_mp4toannexb -y bsf.mp4

 echo "ffconcat version 1.0
 file orig.mp4
 file orig.mp4" > orig.concat;
 echo "ffconcat version 1.0
 file bsf.mp4
 file bsf.mp4" > bsf.concat;

 # Succeeds
 $FFMPEG -i orig.concat -c copy -y orig_concat.mp4

 # Fails with "bsf.concat: Invalid argument". Hint from debug log: "cur_dts
 is invalid (this is harmless if it occurs once at the start per stream)"
 $FFMPEG -i bsf.concat -c copy -y bsf_concat.mp4
 }}}

 Output:
 {{{
  $ ./test.sh
 ffmpeg version N-79136-g585cfab Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 5.3.0 (Gentoo 5.3.0 p1.0, pie-0.6.5)
   configuration: --disable-everything
 --prefix=/home/j/work/employers/pitneybowes/interval_transcoder/build
 --extra-
 libs='/home/j/work/employers/pitneybowes/interval_transcoder/build/lib/libx264.a
 /home/j/work/employers/pitneybowes/interval_transcoder/build/lib/libfreetype.a
 /home/j/work/employers/pitneybowes/interval_transcoder/build/lib/libfribidi.a'
 --extra-
 ldflags=-L/home/j/work/employers/pitneybowes/interval_transcoder/build
 --extra-
 cflags='-I/home/j/work/employers/pitneybowes/interval_transcoder/build/include
 -O3' --disable-debug --enable-static --enable-libfribidi --enable-
 libfreetype --enable-libx264 --enable-gpl --disable-doc --disable-libxcb
 --disable-xlib --disable-sdl --disable-lzma --disable-bzlib --enable-
 protocol=file --enable-protocol=pipe --enable-indev=lavfi --enable-
 muxer=mp4 --enable-muxer=hls --enable-muxer=segment --enable-muxer=mpegts
 --enable-muxer=mjpeg --enable-muxer=image2 --enable-muxer=matroska
 --enable-muxer=rawvideo --enable-demuxer=mov --enable-demuxer=hls
 --enable-demuxer=mpegts --enable-demuxer=mjpeg --enable-demuxer=mp3
 --enable-demuxer=concat --enable-demuxer=image2 --enable-demuxer=matroska
 --enable-demuxer=rawvideo --enable-decoder=h264 --enable-decoder=mpeg4
 --enable-decoder=mpeg2video --enable-decoder=aac --enable-decoder=mp2
 --enable-decoder=mp3 --enable-decoder=mjpeg --enable-decoder=rawvideo
 --enable-decoder=pcm_f32le --enable-decoder=pcm_f64le --enable-
 decoder=pcm_s16le --enable-parser=h264 --enable-parser=mpeg4video
 --enable-parser=mjpeg --enable-parser=aac --enable-encoder=libx264
 --enable-encoder=aac --enable-encoder=mjpeg --enable-encoder=mpeg4
 --enable-encoder=rawvideo --enable-filter=scale --enable-filter=fps
 --enable-filter=drawtext --enable-filter=overlay --enable-filter=copy
 --enable-filter=crop --enable-filter=fade --enable-filter=testsrc
 --enable-filter=movie --enable-filter=amovie --enable-filter=setpts
 --enable-filter=asetpts --enable-filter=settb --enable-filter=asettb
 --enable-filter=concat --enable-filter=format --enable-filter=aformat
 --enable-filter=amix --enable-filter=aresample --enable-filter=null
 --enable-filter=nullsrc --enable-filter=nullsink --enable-filter=anull
 --enable-filter=anullsrc --enable-filter=anullsink --enable-
 filter=aevalsrc --enable-filter=loop --enable-filter=aloop --enable-
 filter=sendcmd --enable-filter=asendcmd --enable-filter=showinfo --enable-
 filter=volume --enable-filter=volumedetect --enable-filter=dynaudnorm
 --enable-bsf=h264_mp4toannexb --enable-bsf=aac_adtstoasc --enable-
 bsf=dump_extradata --enable-bsf=remove_extradata
   libavutil      55. 19.100 / 55. 19.100
   libavcodec     57. 30.100 / 57. 30.100
   libavformat    57. 29.101 / 57. 29.101
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 40.102 /  6. 40.102
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 Input #0, lavfi, from 'testsrc':
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: rawvideo (RGB[24] / 0x18424752), rgb24, 320x240
 [SAR 1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc
 No pixel format specified, yuv444p for H.264 encoding chosen.
 Use -pix_fmt yuv420p for compatibility with outdated media players.
 [libx264 @ 0x132a4e0] using SAR=1/1
 [libx264 @ 0x132a4e0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
 AVX
 [libx264 @ 0x132a4e0] profile High 4:4:4 Predictive, level 1.3, 4:4:4
 8-bit
 [libx264 @ 0x132a4e0] 264 - core 148 r2665 a01e339 - H.264/MPEG-4 AVC
 codec - Copyleft 2003-2016 - http://www.videolan.org/x264.html - options:
 cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1
 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1
 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=4 threads=6
 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0
 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1
 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25
 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0
 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
 Output #0, mp4, to 'orig.mp4':
   Metadata:
     encoder         : Lavf57.29.101
     Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv444p,
 320x240 [SAR 1:1 DAR 4:3], q=-1--1, 25 fps, 12800 tbn, 25 tbc
     Metadata:
       encoder         : Lavc57.30.100 libx264
     Side data:
       cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
 Stream mapping:
   Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
 Press [q] to stop, [?] for help
 frame=  250 fps=0.0 q=-1.0 Lsize=      48kB time=00:00:09.92 bitrate=
 39.8kbits/s speed=33.4x
 video:45kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 8.133427%
 [libx264 @ 0x132a4e0] frame I:1     Avg QP:19.19  size:  2970
 [libx264 @ 0x132a4e0] frame P:77    Avg QP:14.27  size:   439
 [libx264 @ 0x132a4e0] frame B:172   Avg QP:14.07  size:    48
 [libx264 @ 0x132a4e0] consecutive B-frames:  8.0%  0.8%  0.0% 91.2%
 [libx264 @ 0x132a4e0] mb I  I16..4: 30.7% 42.3% 27.0%
 [libx264 @ 0x132a4e0] mb P  I16..4:  1.9%  1.4%  0.8%  P16..4:  7.3%  3.6%
 2.5%  0.0%  0.0%    skip:82.5%
 [libx264 @ 0x132a4e0] mb B  I16..4:  0.2%  0.1%  0.0%  B16..8:  3.8%  0.1%
 0.0%  direct: 0.1%  skip:95.8%  L0:50.1% L1:46.2% BI: 3.7%
 [libx264 @ 0x132a4e0] 8x8 transform intra:35.8% inter:36.8%
 [libx264 @ 0x132a4e0] coded y,u,v intra: 10.0% 10.7% 9.2% inter: 0.8% 0.8%
 0.7%
 [libx264 @ 0x132a4e0] i16 v,h,dc,p: 52% 29%  1% 18%
 [libx264 @ 0x132a4e0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 73%  5% 21%  0%  0%
 0%  0%  0%  0%
 [libx264 @ 0x132a4e0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 27% 57% 12%  1%  1%
 1%  0%  1%  0%
 [libx264 @ 0x132a4e0] Weighted P-Frames: Y:0.0% UV:0.0%
 [libx264 @ 0x132a4e0] ref P L0: 67.2%  7.2% 21.1%  4.6%
 [libx264 @ 0x132a4e0] ref B L0: 56.4% 39.7%  3.9%
 [libx264 @ 0x132a4e0] ref B L1: 96.7%  3.3%
 [libx264 @ 0x132a4e0] kb/s:36.00
 ffmpeg version N-79136-g585cfab Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 5.3.0 (Gentoo 5.3.0 p1.0, pie-0.6.5)
   configuration: --disable-everything
 --prefix=/home/j/work/employers/pitneybowes/interval_transcoder/build
 --extra-
 libs='/home/j/work/employers/pitneybowes/interval_transcoder/build/lib/libx264.a
 /home/j/work/employers/pitneybowes/interval_transcoder/build/lib/libfreetype.a
 /home/j/work/employers/pitneybowes/interval_transcoder/build/lib/libfribidi.a'
 --extra-
 ldflags=-L/home/j/work/employers/pitneybowes/interval_transcoder/build
 --extra-
 cflags='-I/home/j/work/employers/pitneybowes/interval_transcoder/build/include
 -O3' --disable-debug --enable-static --enable-libfribidi --enable-
 libfreetype --enable-libx264 --enable-gpl --disable-doc --disable-libxcb
 --disable-xlib --disable-sdl --disable-lzma --disable-bzlib --enable-
 protocol=file --enable-protocol=pipe --enable-indev=lavfi --enable-
 muxer=mp4 --enable-muxer=hls --enable-muxer=segment --enable-muxer=mpegts
 --enable-muxer=mjpeg --enable-muxer=image2 --enable-muxer=matroska
 --enable-muxer=rawvideo --enable-demuxer=mov --enable-demuxer=hls
 --enable-demuxer=mpegts --enable-demuxer=mjpeg --enable-demuxer=mp3
 --enable-demuxer=concat --enable-demuxer=image2 --enable-demuxer=matroska
 --enable-demuxer=rawvideo --enable-decoder=h264 --enable-decoder=mpeg4
 --enable-decoder=mpeg2video --enable-decoder=aac --enable-decoder=mp2
 --enable-decoder=mp3 --enable-decoder=mjpeg --enable-decoder=rawvideo
 --enable-decoder=pcm_f32le --enable-decoder=pcm_f64le --enable-
 decoder=pcm_s16le --enable-parser=h264 --enable-parser=mpeg4video
 --enable-parser=mjpeg --enable-parser=aac --enable-encoder=libx264
 --enable-encoder=aac --enable-encoder=mjpeg --enable-encoder=mpeg4
 --enable-encoder=rawvideo --enable-filter=scale --enable-filter=fps
 --enable-filter=drawtext --enable-filter=overlay --enable-filter=copy
 --enable-filter=crop --enable-filter=fade --enable-filter=testsrc
 --enable-filter=movie --enable-filter=amovie --enable-filter=setpts
 --enable-filter=asetpts --enable-filter=settb --enable-filter=asettb
 --enable-filter=concat --enable-filter=format --enable-filter=aformat
 --enable-filter=amix --enable-filter=aresample --enable-filter=null
 --enable-filter=nullsrc --enable-filter=nullsink --enable-filter=anull
 --enable-filter=anullsrc --enable-filter=anullsink --enable-
 filter=aevalsrc --enable-filter=loop --enable-filter=aloop --enable-
 filter=sendcmd --enable-filter=asendcmd --enable-filter=showinfo --enable-
 filter=volume --enable-filter=volumedetect --enable-filter=dynaudnorm
 --enable-bsf=h264_mp4toannexb --enable-bsf=aac_adtstoasc --enable-
 bsf=dump_extradata --enable-bsf=remove_extradata
   libavutil      55. 19.100 / 55. 19.100
   libavcodec     57. 30.100 / 57. 30.100
   libavformat    57. 29.101 / 57. 29.101
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 40.102 /  6. 40.102
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'orig.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     encoder         : Lavf57.29.101
   Duration: 00:00:10.00, start: 0.000000, bitrate: 39 kb/s
     Stream #0:0(und): Video: h264 (High 4:4:4 Predictive) (avc1 /
 0x31637661), yuv444p, 320x240 [SAR 1:1 DAR 4:3], 36 kb/s, 25 fps, 25 tbr,
 12800 tbn, 50 tbc (default)
     Metadata:
       handler_name    : VideoHandler
 Output #0, mp4, to 'bsf.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     encoder         : Lavf57.29.101
     Stream #0:0(und): Video: h264 ([33][0][0][0] / 0x0021), yuv444p,
 320x240 [SAR 1:1 DAR 4:3], q=2-31, 36 kb/s, 25 fps, 25 tbr, 12800 tbn,
 12800 tbc (default)
     Metadata:
       handler_name    : VideoHandler
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
 Press [q] to stop, [?] for help
 frame=  250 fps=0.0 q=-1.0 Lsize=      48kB time=00:00:09.88 bitrate=
 40.0kbits/s speed=3.69e+03x
 video:45kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 8.124303%
 ffmpeg version N-79136-g585cfab Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 5.3.0 (Gentoo 5.3.0 p1.0, pie-0.6.5)
   configuration: --disable-everything
 --prefix=/home/j/work/employers/pitneybowes/interval_transcoder/build
 --extra-
 libs='/home/j/work/employers/pitneybowes/interval_transcoder/build/lib/libx264.a
 /home/j/work/employers/pitneybowes/interval_transcoder/build/lib/libfreetype.a
 /home/j/work/employers/pitneybowes/interval_transcoder/build/lib/libfribidi.a'
 --extra-
 ldflags=-L/home/j/work/employers/pitneybowes/interval_transcoder/build
 --extra-
 cflags='-I/home/j/work/employers/pitneybowes/interval_transcoder/build/include
 -O3' --disable-debug --enable-static --enable-libfribidi --enable-
 libfreetype --enable-libx264 --enable-gpl --disable-doc --disable-libxcb
 --disable-xlib --disable-sdl --disable-lzma --disable-bzlib --enable-
 protocol=file --enable-protocol=pipe --enable-indev=lavfi --enable-
 muxer=mp4 --enable-muxer=hls --enable-muxer=segment --enable-muxer=mpegts
 --enable-muxer=mjpeg --enable-muxer=image2 --enable-muxer=matroska
 --enable-muxer=rawvideo --enable-demuxer=mov --enable-demuxer=hls
 --enable-demuxer=mpegts --enable-demuxer=mjpeg --enable-demuxer=mp3
 --enable-demuxer=concat --enable-demuxer=image2 --enable-demuxer=matroska
 --enable-demuxer=rawvideo --enable-decoder=h264 --enable-decoder=mpeg4
 --enable-decoder=mpeg2video --enable-decoder=aac --enable-decoder=mp2
 --enable-decoder=mp3 --enable-decoder=mjpeg --enable-decoder=rawvideo
 --enable-decoder=pcm_f32le --enable-decoder=pcm_f64le --enable-
 decoder=pcm_s16le --enable-parser=h264 --enable-parser=mpeg4video
 --enable-parser=mjpeg --enable-parser=aac --enable-encoder=libx264
 --enable-encoder=aac --enable-encoder=mjpeg --enable-encoder=mpeg4
 --enable-encoder=rawvideo --enable-filter=scale --enable-filter=fps
 --enable-filter=drawtext --enable-filter=overlay --enable-filter=copy
 --enable-filter=crop --enable-filter=fade --enable-filter=testsrc
 --enable-filter=movie --enable-filter=amovie --enable-filter=setpts
 --enable-filter=asetpts --enable-filter=settb --enable-filter=asettb
 --enable-filter=concat --enable-filter=format --enable-filter=aformat
 --enable-filter=amix --enable-filter=aresample --enable-filter=null
 --enable-filter=nullsrc --enable-filter=nullsink --enable-filter=anull
 --enable-filter=anullsrc --enable-filter=anullsink --enable-
 filter=aevalsrc --enable-filter=loop --enable-filter=aloop --enable-
 filter=sendcmd --enable-filter=asendcmd --enable-filter=showinfo --enable-
 filter=volume --enable-filter=volumedetect --enable-filter=dynaudnorm
 --enable-bsf=h264_mp4toannexb --enable-bsf=aac_adtstoasc --enable-
 bsf=dump_extradata --enable-bsf=remove_extradata
   libavutil      55. 19.100 / 55. 19.100
   libavcodec     57. 30.100 / 57. 30.100
   libavformat    57. 29.101 / 57. 29.101
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 40.102 /  6. 40.102
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x1483c20] Auto-inserting h264_mp4toannexb
 bitstream filter
 Input #0, concat, from 'orig.concat':
   Duration: N/A, start: 0.000000, bitrate: 36 kb/s
     Stream #0:0(und): Video: h264 (High 4:4:4 Predictive) (avc1 /
 0x31637661), yuv444p, 320x240 [SAR 1:1 DAR 4:3], 36 kb/s, 25 fps, 25 tbr,
 12800 tbn, 50 tbc
     Metadata:
       handler_name    : VideoHandler
 Output #0, mp4, to 'orig_concat.mp4':
   Metadata:
     encoder         : Lavf57.29.101
     Stream #0:0(und): Video: h264 ([33][0][0][0] / 0x0021), yuv444p,
 320x240 [SAR 1:1 DAR 4:3], q=2-31, 36 kb/s, 25 fps, 25 tbr, 12800 tbn,
 12800 tbc
     Metadata:
       handler_name    : VideoHandler
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
 Press [q] to stop, [?] for help
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x1483c20] Auto-inserting h264_mp4toannexb
 bitstream filter
 frame=  500 fps=0.0 q=-1.0 Lsize=      96kB time=00:00:19.88 bitrate=
 39.5kbits/s speed=2e+03x
 video:89kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 7.209089%
 ffmpeg version N-79136-g585cfab Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 5.3.0 (Gentoo 5.3.0 p1.0, pie-0.6.5)
   configuration: --disable-everything
 --prefix=/home/j/work/employers/pitneybowes/interval_transcoder/build
 --extra-
 libs='/home/j/work/employers/pitneybowes/interval_transcoder/build/lib/libx264.a
 /home/j/work/employers/pitneybowes/interval_transcoder/build/lib/libfreetype.a
 /home/j/work/employers/pitneybowes/interval_transcoder/build/lib/libfribidi.a'
 --extra-
 ldflags=-L/home/j/work/employers/pitneybowes/interval_transcoder/build
 --extra-
 cflags='-I/home/j/work/employers/pitneybowes/interval_transcoder/build/include
 -O3' --disable-debug --enable-static --enable-libfribidi --enable-
 libfreetype --enable-libx264 --enable-gpl --disable-doc --disable-libxcb
 --disable-xlib --disable-sdl --disable-lzma --disable-bzlib --enable-
 protocol=file --enable-protocol=pipe --enable-indev=lavfi --enable-
 muxer=mp4 --enable-muxer=hls --enable-muxer=segment --enable-muxer=mpegts
 --enable-muxer=mjpeg --enable-muxer=image2 --enable-muxer=matroska
 --enable-muxer=rawvideo --enable-demuxer=mov --enable-demuxer=hls
 --enable-demuxer=mpegts --enable-demuxer=mjpeg --enable-demuxer=mp3
 --enable-demuxer=concat --enable-demuxer=image2 --enable-demuxer=matroska
 --enable-demuxer=rawvideo --enable-decoder=h264 --enable-decoder=mpeg4
 --enable-decoder=mpeg2video --enable-decoder=aac --enable-decoder=mp2
 --enable-decoder=mp3 --enable-decoder=mjpeg --enable-decoder=rawvideo
 --enable-decoder=pcm_f32le --enable-decoder=pcm_f64le --enable-
 decoder=pcm_s16le --enable-parser=h264 --enable-parser=mpeg4video
 --enable-parser=mjpeg --enable-parser=aac --enable-encoder=libx264
 --enable-encoder=aac --enable-encoder=mjpeg --enable-encoder=mpeg4
 --enable-encoder=rawvideo --enable-filter=scale --enable-filter=fps
 --enable-filter=drawtext --enable-filter=overlay --enable-filter=copy
 --enable-filter=crop --enable-filter=fade --enable-filter=testsrc
 --enable-filter=movie --enable-filter=amovie --enable-filter=setpts
 --enable-filter=asetpts --enable-filter=settb --enable-filter=asettb
 --enable-filter=concat --enable-filter=format --enable-filter=aformat
 --enable-filter=amix --enable-filter=aresample --enable-filter=null
 --enable-filter=nullsrc --enable-filter=nullsink --enable-filter=anull
 --enable-filter=anullsrc --enable-filter=anullsink --enable-
 filter=aevalsrc --enable-filter=loop --enable-filter=aloop --enable-
 filter=sendcmd --enable-filter=asendcmd --enable-filter=showinfo --enable-
 filter=volume --enable-filter=volumedetect --enable-filter=dynaudnorm
 --enable-bsf=h264_mp4toannexb --enable-bsf=aac_adtstoasc --enable-
 bsf=dump_extradata --enable-bsf=remove_extradata
   libavutil      55. 19.100 / 55. 19.100
   libavcodec     57. 30.100 / 57. 30.100
   libavformat    57. 29.101 / 57. 29.101
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 40.102 /  6. 40.102
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x194ec20] Auto-inserting h264_mp4toannexb
 bitstream filter
 Input #0, concat, from 'bsf.concat':
   Duration: N/A, bitrate: 36 kb/s
     Stream #0:0(und): Video: h264 (High 4:4:4 Predictive) (avc1 /
 0x31637661), yuv444p, 320x240 [SAR 1:1 DAR 4:3], 36 kb/s, 25 fps, 25 tbr,
 12800 tbn, 50 tbc
     Metadata:
       handler_name    : VideoHandler
 Output #0, mp4, to 'bsf_concat.mp4':
   Metadata:
     encoder         : Lavf57.29.101
     Stream #0:0(und): Video: h264 ([33][0][0][0] / 0x0021), yuv444p,
 320x240 [SAR 1:1 DAR 4:3], q=2-31, 36 kb/s, 25 fps, 25 tbr, 12800 tbn,
 12800 tbc
     Metadata:
       handler_name    : VideoHandler
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
 Press [q] to stop, [?] for help
 bsf.concat: Invalid argument
 frame=    0 fps=0.0 q=-1.0 Lsize=       0kB time=00:00:00.00 bitrate=N/A
 speed=   0x
 video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 Output file is empty, nothing was encoded (check -ss / -t / -frames
 parameters if used)
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/5380>
FFmpeg <https://ffmpeg.org>
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