Added a Dolby Pro Logic II (DPL2) decoder in the OpenAL backend. DPL2 audio is decoded to 5.1. Code adapted from ffdshow.

Added an option in the DSP settings to disable the DPL2 decoder in case Dolphin incorrectly detects a 5.1 audio system.
Updated the OpenAL files to OpenAL Soft 1.15.1 in the Windows build.

Fixes issue 3023.
This commit is contained in:
skidau committed 2013-01-11 14:03:09 +11:00
1 parent c7ccf7e5c6
commit 80f4475e76
20 files changed
+2598 -1566

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