[Libav-user] Missing a channel in Dolby 5:1

[Carl Eugen Hoyos]

Gonzalo Garramuno <ggarra13 at ...> writes:

> I am using ffmpeg and libswresample to play back 
> movie trailers. For stereo playback everything is 
> good, but for Dolby 5.1, I get correct playback of 
> all ambient noises but the audio track for voices 
> is missing or too low of a sound, like a missing 
> channel.

I did not look at your code, but did you already test 
the following?
$ ffmpeg -i input51 out.wav
If out.wav shows your problem, please report how to 
reproduce the bug.

Carl Eugen