[FFmpeg-user] Naming chapters in Matroska video

[Paul B Mahol]

On Tue, Feb 16, 2021 at 10:51 PM Ulf Zibis <Ulf.Zibis at cosoco.de> wrote:

> Hi,
>
> This is the meta data from my original video:
>
> ;FFMETADATA1
> SOURCE_TYPE=dvd
> encoder=Lavf58.45.100
> [CHAPTER]
> TIMEBASE=1/1000000000
> START=0
> END=10911555556
> [CHAPTER]
> TIMEBASE=1/1000000000
> START=10911555556
> END=819225777778
> [CHAPTER]
> TIMEBASE=1/1000000000
> START=819225777778
> END=1839369955556
> [CHAPTER]
> TIMEBASE=1/1000000000
> START=1839369955556
> END=2689490133333
> [CHAPTER]
> TIMEBASE=1/1000000000
> START=2689490133333
> END=3289574977778
> [CHAPTER]
> TIMEBASE=1/1000000000
> START=3289574977778
> END=4584758088889
> [CHAPTER]
> TIMEBASE=1/1000000000
> START=4584758088889
> END=5516019688889
>
> I've edited the file to (added chapter names):
>
> ;FFMETADATA1
> SOURCE_TYPE=dvd
> encoder=Lavf58.45.100
> [CHAPTER]
> TIMEBASE=1/1000000000
> START=0
> END=10911555556
> [CHAPTER]
> TIMEBASE=1/1000000000
> START=10911555556
> END=819225777778
> title=1 - Intro
> [CHAPTER]
> TIMEBASE=1/1000000000
> START=819225777778
> END=1839369955556
> title=2 - Restaurant
> [CHAPTER]
> TIMEBASE=1/1000000000
> START=1839369955556
> END=2689490133333
> title=3 - At home
> [.....]
>
> After importing it to the video, with
>
> ffmpeg -i INPUT.mkv -i INPUT.meta -map_metadata 1 -c copy -movflags
> +faststart OUTPUT.mkv
>

movflags +faststart for mkv does nothing.


>
> , ... I still don't see the named chapters.
>
> How to correctly add chapter names?
>

I used .ffmeta as extension for metadata and it worked fine.


>
> Here the ffprobe output:
>
> $ ffprobe OUTPUT.mkv
> ffprobe version 4.3.1-static https://johnvansickle.com/ffmpeg/ Copyright
> (c) 2007-2020 the FFmpeg developers
>    built with gcc 8 (Debian 8.3.0-6)
>    configuration: --enable-gpl --enable-version3 --enable-static
> --disable-debug --disable-ffplay --disable-indev=sndio
> --disable-outdev=sndio --cc=gcc --enable-fontconfig --enable-frei0r
> --enable-gnutls --enable-gmp --enable-libgme --enable-gray --enable-libaom
> --enable-libfribidi --enable-libass --enable-libvmaf --enable-libfreetype
> --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
> --enable-libopenjpeg --enable-librubberband --enable-libsoxr
> --enable-libspeex --enable-libsrt --enable-libvorbis --enable-libopus
> --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc
> --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265
> --enable-libxml2 --enable-libdav1d --enable-libxvid --enable-libzvbi
> --enable-libzimg
>    libavutil      56. 51.100 / 56. 51.100
>    libavcodec     58. 91.100 / 58. 91.100
>    libavformat    58. 45.100 / 58. 45.100
>    libavdevice    58. 10.100 / 58. 10.100
>    libavfilter     7. 85.100 /  7. 85.100
>    libswscale      5.  7.100 /  5.  7.100
>    libswresample   3.  7.100 /  3.  7.100
>    libpostproc    55.  7.100 / 55.  7.100
> Input #0, matroska,webm, from 'OUTPUT.mkv':
>    Metadata:
>      SOURCE_TYPE     : dvd
>      ENCODER         : Lavf58.45.100
>    Duration: 01:31:56.13, start: 0.000000, bitrate: 3011 kb/s
>      Chapter #0:0: start 0.000000, end 10.911556
>      Chapter #0:1: start 10.911556, end 819.225778
>      Chapter #0:2: start 819.225778, end 1839.369956
>      Chapter #0:3: start 1839.369956, end 2689.490133
>      Chapter #0:4: start 2689.490133, end 3289.574978
>      Chapter #0:5: start 3289.574978, end 4584.758089
>      Chapter #0:6: start 4584.758089, end 5516.019689
>      Stream #0:0: Video: h264 (High), yuv420p(progressive), 720x576 [SAR
> 16:15 DAR 4:3], 25 fps, 25 tbr, 1k tbn, 50 tbc (default)
>      Metadata:
>        ENCODER         : Lavc58.18.100 libx264
>        DURATION        : 01:31:56.130000000
>      Stream #0:1(deu): Audio: vorbis, 48000 Hz, stereo, fltp (default)
>      Metadata:
>        LANGUAGE-ISO639_2: deu
>        LANGUAGE-SIMPLE : Deutsch
>        LANGUAGE-DESCRIPTION: Deutsch
>        ENCODER         : Lavc58.18.100 libvorbis
>        DURATION        : 01:31:56.130000000
>
> -Ulf
>
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