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  1. When I execute this code:
    Code:
    ffmpeg -i input -f ffmetadata chapters.txt
    the format of chapters.txt looks like this (put into a "code" box to visually separate it):
    Code:
    ;FFMETADATA1
    major_brand=isom
    minor_version=512
    compatible_brands=isomiso2avc1mp41
    encoder=Lavf58.78.100
    
    [CHAPTER]
    TIMEBASE=1/1
    START=00
    END=999
    title=This is chapter 1
    
    [CHAPTER]
    TIMEBASE=1/1
    START=1000
    END=1999
    title=This is chapter 2
    
    [CHAPTER]
    TIMEBASE=1/1
    START=2000
    END=2999
    title=This is chapter 3

    When I use Drax, and, tell it that I want to import a chapters file, it asks me to identify the format of the chapters file, and, the two formats look like:
    Code:
    00:00:00.000 Chapter 1
    00:00:01.000 Chapter 2
    Code:
    CHAPTER01=00:00:00.00
    CHAPTER01NAME=Chapter 1
    CHAPTER02=00:00:01.000
    CHAPTER02NAME=Chapter 2
    and, there is a clickable box with this word: "Abbrechen"

    I want to do some research on these different formats. Is there a name for each of these formats? When I Google "video chapter formats", I don't get anything that tells me about the different formats that I have shown above. How/where can I find out more about these formats?
    Last edited by the_steve_randolph; 5th Jun 2021 at 12:01.
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  2. Code:
    CHAPTER01=00:00:00.00
    CHAPTER01NAME=Chapter 1
    CHAPTER02=00:00:01.000
    CHAPTER02NAME=Chapter 2
    is the 'simple chapter format' using in mkvtoolnix, see: https://mkvtoolnix.download/doc/mkvmerge.html#mkvmerge.chapters
    and ogg see: https://wiki.xiph.org/Chapter_Extension

    ;FFMETADATA1 ..
    is the chapter format FFmpeg uses, see: https://ffmpeg.org/ffmpeg-formats.html#Metadata-1

    00:00:00.000 Chapter 1
    00:00:01.000 Chapter 2
    iirc that is the chapter format MP4Box (GPAC) uses for .chp files

    There are also tons of other chapter formats,...
    users currently on my ignore list: deadrats, Stears555
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