#306 Detect mono audio in stereo stream and fix it

open
nobody
None
5
2009-01-19
2009-01-19
Anonymous
No

ffdshow should have an option to detect a situation where a mono audio source has been encoded into either the left or the right stereo channel and use the appropriate channel as a mono stream.

At present ffdshow treats such situations as normal stereo channels, which leads to one channel being silent.

Fixing this would be easy:

1) detect if only one of the current file's audio channels contain non-zero data (or have a threshold slider for easy adjustment).

2) use the non-zero channel as a mono source.

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