#10629: ffmpeg concat destroys metadata tracks when combining TS (Transport
Stream)
files
-------------------------------------+-------------------------------------
Reporter: superbonaci | Owner: (none)
Type: defect | Status: closed
Priority: minor | Component:
| undetermined
Version: 6.0 | Resolution: invalid
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Comment (by superbonaci):
Cat can't be used to concatenate Transport Stream files because must not
be binary concatenated, streams will break.
This is wrong:
{{{
% cat index-*.ts > output_bad.ts
}}}
The command you specified does not produce any output:
{{{
% ffmpeg -i
"concat:tsfiles/index-0000000000.ts|tsfiles/index-0000000001.ts|tsfiles/index-0000000002.ts|tsfiles/index-0000000003.ts|tsfiles/index-0000000004.ts"
-f data -c copy tsfiles/output_concat_protocol.ts
ffmpeg version 6.0 Copyright (c) 2000-2023 the FFmpeg developers
built with Apple clang version 14.0.3 (clang-1403.0.22.14.1)
configuration: --prefix=/opt/homebrew/Cellar/ffmpeg/6.0_1 --enable-
shared --enable-pthreads --enable-version3 --cc=clang --host-cflags=
--host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-
libaom --enable-libaribb24 --enable-libbluray --enable-libdav1d --enable-
libmp3lame --enable-libopus --enable-librav1e --enable-librist --enable-
librubberband --enable-libsnappy --enable-libsrt --enable-libsvtav1
--enable-libtesseract --enable-libtheora --enable-libvidstab --enable-
libvmaf --enable-libvorbis --enable-libvpx --enable-libwebp --enable-
libx264 --enable-libx265 --enable-libxml2 --enable-libxvid --enable-lzma
--enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-
libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-
libopenjpeg --enable-libspeex --enable-libsoxr --enable-libzmq --enable-
libzimg --disable-libjack --disable-indev=jack --enable-videotoolbox
--enable-audiotoolbox --enable-neon
libavutil 58. 2.100 / 58. 2.100
libavcodec 60. 3.100 / 60. 3.100
libavformat 60. 3.100 / 60. 3.100
libavdevice 60. 1.100 / 60. 1.100
libavfilter 9. 3.100 / 9. 3.100
libswscale 7. 1.100 / 7. 1.100
libswresample 4. 10.100 / 4. 10.100
libpostproc 57. 1.100 / 57. 1.100
Input #0, mpegts, from
'concat:tsfiles/index-0000000000.ts|tsfiles/index-0000000001.ts|tsfiles/index-0000000002.ts|tsfiles/index-0000000003.ts|tsfiles/index-0000000004.ts':
Duration: 00:00:18.43, start: 60.000000, bitrate: 2694 kb/s
Program 1
Stream #0:0[0x100]: Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz,
stereo, fltp, 131 kb/s
Stream #0:1[0x101]: Video: h264 (Main) ([27][0][0][0] / 0x001B),
yuv420p(progressive), 1280x720, 30 fps, 30 tbr, 90k tbn
Stream #0:2[0x102]: Data: timed_id3 (ID3 / 0x20334449)
Output #0, data, to 'tsfiles/output_concat_protocol.ts':
[out#0/data @ 0x6000015503c0] Output file does not contain any stream
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/10629#comment:6>
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