[FFmpeg-user] Copy Audio

Carl Eugen Hoyos ceffmpeg at gmail.com
Thu Dec 20 01:54:39 EET 2018

2018-12-20 0:40 GMT+01:00, Chris <c319chris-at-aol.com at ffmpeg.org>:
> Merely copying a PCM audio track used to work through v 4.0.

Yes, as explained, this was a regression that allowed to write
invalid files.

> Just make "copy" like it used to be.

Sorry, this is not possible afaict.

> "Anyway, pcm is defined for some types of isom files but
> those are not (yet) supported by FFmpeg, don't hold
> your breath."

Yes, jpeg2000 files allow pcm (iirc) but this has to be implemented,
is not completely trivial and would probably not fix your issue as
these files are again != mp4 (but isom like mp4).

Carl Eugen

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