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* Use hb_audio_resample for downmixing AC3 sources. DRC is still applied by ↵Rodeo2012-08-021-19/+22
| | | | | | | | | | | | | | | | | liba52. Add support for center & surround mix levels to hb_audio_resample. This allows us to support upmixing all audio sources. For sources that have at least 2 front and one back or side channel(s), allow upmixing to 5.1: 3.0/3.1 (2 front and 1 back channels) 4.0/4.1 (3 front and 1 back channels) 4.0/4.1 (2 front and 2 side channels) 5.0 (3 front and 2 side channels) git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4885 b64f7644-9d1e-0410-96f1-a4d463321fa5
* fix screaching at the beginning of some ac3 to X transcodesjstebbins2011-04-281-0/+459
a52dec isn't completely thread safe. It has a collection of static data that gets initialized when a52_init is called. This static data gets initialized to the same thing every time, but if one instance of the decoder is using the data when it gets reinitialized, bad(tm) things happen. git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@3966 b64f7644-9d1e-0410-96f1-a4d463321fa5