diff options
| author | Adam D. Moss <c@yotes.com> | 2015-01-18 23:11:45 +0000 |
|---|---|---|
| committer | Adam D. Moss <c@yotes.com> | 2015-01-19 10:24:44 +0000 |
| commit | 05d2bf6060e26d3507bbb6f285c452a328101780 (patch) | |
| tree | 7041dd696a6e307f918c83c03abc82d6bc5b7d4d /Source/Core/AudioCommon/OpenALStream.cpp | |
| parent | 37a770bb9f23404cbdc75e8cc2df31dfecb97057 (diff) | |
Audio: Drop the LFE/subwoofer channel from the decoded surround
DPL2Decode still doesn't decode 5.1 properly, leaving bass in all channels, but its 5.0 is pretty good, so leave it at that.
Diffstat (limited to 'Source/Core/AudioCommon/OpenALStream.cpp')
| -rw-r--r-- | Source/Core/AudioCommon/OpenALStream.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Source/Core/AudioCommon/OpenALStream.cpp b/Source/Core/AudioCommon/OpenALStream.cpp index 0752e54b6c..d56be05672 100644 --- a/Source/Core/AudioCommon/OpenALStream.cpp +++ b/Source/Core/AudioCommon/OpenALStream.cpp @@ -251,6 +251,14 @@ void OpenALStream::SoundLoop() { float dpl2[OAL_MAX_SAMPLES * OAL_MAX_BUFFERS * SURROUND_CHANNELS]; DPL2Decode(sampleBuffer, nSamples, dpl2); + // zero-out the subwoofer channel - DPL2Decode generates a pretty + // good 5.0 but not a good 5.1 output. Sadly there is not a 5.0 + // AL_FORMAT_50CHN32 to make this super-explicit. + // DPL2Decode output: LEFTFRONT, RIGHTFRONT, CENTREFRONT, (sub), LEFTREAR, RIGHTREAR + for (u32 i=0; i < nSamples; ++i) + { + dpl2[i*SURROUND_CHANNELS + 3 /*sub/lfe*/] = 0.0f; + } alBufferData(uiBufferTemp[iBuffersFilled], AL_FORMAT_51CHN32, dpl2, nSamples * FRAME_SURROUND_FLOAT, ulFrequency); ALenum err = alGetError(); if (err == AL_INVALID_ENUM) |