#9369: join audio files command never ends
-------------------------------------+-------------------------------------
Reporter: Admir | Type: defect
Okovic |
Status: new | Priority: normal
Component: | Version:
undetermined | unspecified
Keywords: join audio | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Summary of the bug:
I am trying to join two audio files and when i call following command
ffmpeg does not stop it just keep running.
Command:
{{{
ffmpeg -y -i sideA.wav -i sideB.wav -filter_complex
"[0:a][1:a]join=inputs=2[a]" -map "[a]" final.wav -loglevel debug
}}}
ffmpeg version 4.4
built on ... ubuntu 20.4
In output log i can not see any issues that will point on existing
problem.
After few hours of debuging i realised that when i reorded files command
works fine.
Working command:
{{{
ffmpeg -y -i sideB.wav -i sideA.wav -filter_complex
"[0:a][1:a]join=inputs=2[a]" -map "[a]" final.wav -loglevel debug
}}}
Also i realised that when i add delay for one of the files(not both)
command also works:
Working command with delay:
{{{
ffmpeg -y -i sideA.wav -i sideB.wav -filter_complex
"[0:a]adelay=0[a0];[1:a]adelay=1[a1];[a0][a1]join=inputs=2[a]" -map "[a]"
final.wav
}}}
My guess is that issue is with sideA file since there is no real audio its
just some backgrounde noise but either way ffmpeg should not get stuck and
block process.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/9369>
FFmpeg <https://ffmpeg.org>
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