On 2/18/2021 5:48 PM, Jim DeLaHunt wrote:
On 2021-02-18 15:05, Paul B Mahol wrote:
Everything is explained in documentation. My time is very limited.
No, not everything about FFmpeg's handling of metadata is explained in
FFmpeg's documentation. For example, the -map_metdata section[1] does
not link to the -map_chapters[2] section nor to the Metadata[3]
section of the documentation. None of those three places explain
FFmpeg's data model for metadata: that is, what metadata is, what its
contents can be, how it relates to the media content. The
-map_chapters section talks about "chapters" without defining what
that term means. I could list many more things which are not
explained in the documentation.
Your are of course entitled to limit the time you spend answering
questions here. You do regularly answer questions here, and that is a
generous gift. Thank you. But you are not entitled to pretend that the
documentation explains fully, when it does not.
[1] http://ffmpeg.org/ffmpeg-all.html#Advanced-options, search for
"-map_metadata"
[2] http://ffmpeg.org/ffmpeg-all.html#Advanced-options, search for
"-map_chapters"
[3] http://ffmpeg.org/ffmpeg-all.html#Metadata-1
Best regards,
—Jim DeLaHunt
If the documentation for Metadata is correct then there is a bug in
ffmpeg because the example commands to extract, edit and reinsert the
edited metadata do not work for chapter metadata.
John
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