On 7/13/2024 3:08 AM, Vincent Deconinck wrote:
On Sat, Jul 13, 2024 at 4:26 AM Rick Keniuk <daddyo...@gmail.com> wrote:
I have tried the following simple concatenation command which worked
perfectly only it outputs just the video and the first audio stream.
ffmpeg -f concat -i videos.txt -c copy output.mp4
Hi Rick,
By default only the first audio stream is output.
Selection of streams can be done with the -map option, and -map 0 is a
shortcut for "map all" - see https://trac.ffmpeg.org/wiki/Map
Can you try the following :
ffmpeg -f concat -i videos.txt -c copy -map 0 output.mp4
Don't know about chapter markers though...
KR,
Vincent
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Thanks Vincent,
That worked. I have all the audio streams and subtitles in my
concatenated file (and the joining point is flawless with out a gap or
stutter). Sadly the chapters didn't merge though. That current result
may get by for now.
Based on some web searches I tried modifying the mapping to see if
chapters would concatenate. Only with the same result. The "map 0"
command probably implies "-map_metadata 0" and "-map_chapters 0".
ffmpeg -f concat -i videos.txt -c copy -map 0 -map_metadata 0
-map_chapters 0 output.mp4
I found this discussion from 7 years ago and I fear that it exists today
in this state.
https://trac.ffmpeg.org/ticket/6468
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