[Libav-user] FLTP audio is distorted after muxing

Carl Eugen Hoyos ceffmpeg at gmail.com
Wed Mar 6 10:02:35 EET 2019

2019-03-05 21:57 GMT+01:00, vouk at mailbox.org <vouk at mailbox.org>:

> In my open source project voukoder I am using libav/ffmpeg (branch 4.0) for
> quite some time now. Now I switched to master and I have a strange effect
> where I am not sure where its coming from.
> Whenever I user FLTP as sample format and mux it with whatever codec and
> muxer (i.e. x264/aac => mp4) the audio is pretty much distorted. It also
> seems to be affected by the video time base. With 1/120 it is pitched up
> alot and with 1/60 it is quite normal, but distorted. With S16 it works
> fine.

> With branch 4.0 everything is okay.

You provided nearly no relevant information but using git bisect to find
the commit introducing the change of behaviour may help you.

Carl Eugen

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