piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-07-23 06:09:50 -06:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #1917 from adamdmoss/no-lfe

Browse Source 
Remove explicit subwoofer/LFE channel from Pulseaudio and OpenAL
This commit is contained in:
skidau
2015-01-23 12:30:48 +11:00
parent e49408bdf0 05d2bf6060
commit 6e99accf06
2 changed files with 27 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
Source/Core/AudioCommon/OpenALStream.cpp
View File

@ -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)