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Linux: Alsa backend for the audio plugins. Didn't succeed in reducing latency though, but hopefully will work better than libao - shouldn't hang weirdly at underruns, I hope, like libao does.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4240 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2009-09-09 21:26:33 +00:00
parent e0dfe17ca4
commit 987a6185e6
9 changed files with 297 additions and 15 deletions
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20
Source/Core/AudioCommon/Src/AudioCommon.cpp
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@ -19,6 +19,7 @@
#include "Mixer.h"
#include "DSoundStream.h"
#include "AOSoundStream.h"
#include "AlsaSoundStream.h"
#include "NullSoundStream.h"
#include "OpenALStream.h"
@ -26,18 +27,22 @@ namespace AudioCommon
{
SoundStream *InitSoundStream(CMixer *mixer)
{
// This looks evil.
if (!mixer)
mixer = new CMixer();
std::string backend = ac_Config.sBackend;
if (backend == BACKEND_DIRECTSOUND && DSound::isValid()) soundStream = new DSound(mixer, g_dspInitialize.hWnd);
if (backend == BACKEND_AOSOUND && AOSound::isValid()) soundStream = new AOSound(mixer);
if (backend == BACKEND_OPENAL && OpenALStream::isValid()) soundStream = new OpenALStream(mixer);
if (backend == BACKEND_NULL && NullSound::isValid()) soundStream = new NullSound(mixer);
if (soundStream != NULL) {
if (backend == BACKEND_DIRECTSOUND && DSound::isValid()) soundStream = new DSound(mixer, g_dspInitialize.hWnd);
if (backend == BACKEND_AOSOUND && AOSound::isValid()) soundStream = new AOSound(mixer);
if (backend == BACKEND_OPENAL && OpenALStream::isValid()) soundStream = new OpenALStream(mixer);
if (backend == BACKEND_ALSA && AlsaSound::isValid()) soundStream = new AlsaSound(mixer);
if (backend == BACKEND_NULL && NullSound::isValid()) soundStream = new NullSound(mixer);
if (soundStream != NULL)
{
ac_Config.Update();
if (soundStream->Start()) {
if (soundStream->Start())
{
// Start the sound recording
/*
if (ac_Config.record) {
@ -81,6 +86,7 @@ namespace AudioCommon
if (DSound::isValid()) backends.push_back(BACKEND_DIRECTSOUND);
if (AOSound::isValid()) backends.push_back(BACKEND_AOSOUND);
if (OpenALStream::isValid()) backends.push_back(BACKEND_OPENAL);
if (AlsaSound::isValid()) backends.push_back(BACKEND_ALSA);
if (NullSound::isValid()) backends.push_back(BACKEND_NULL);
return backends;