audio: fix ALSA 4 channel surround output

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It turns out that ALSA's 4 channel layout is different from mpv's and
ffmpeg's 4.0 layout. Thus trying to do 4 channel output led to incorrect
remixing via lib{av,sw}resample.

Fix the default layouts for the internal filter chain as well, although
I'm not sure if it matters at all.

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This commit is contained in:

wm4 2013-05-13 18:17:27 +02:00

parent 636e1edd9e

commit a39d369c25

2 changed files with 4 additions and 2 deletions

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