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https://github.com/dolphin-emu/dolphin.git
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ccdec4308a
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2811 8ced0084-cf51-0410-be5f-012b33b47a6e
112 lines
2.6 KiB
C++
112 lines
2.6 KiB
C++
// Copyright (C) 2003-2009 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#include "aldlist.h"
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#include "OpenALStream.h"
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#if defined HAVE_OPENAL && HAVE_OPENAL
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#define AUDIO_NUMBUFFERS (4)
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bool OpenALStream::Start()
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{
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ALDeviceList *pDeviceList = NULL;
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ALCcontext *pContext = NULL;
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ALCdevice *pDevice = NULL;
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bool bReturn = false;
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pDeviceList = new ALDeviceList();
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if ((pDeviceList) && (pDeviceList->GetNumDevices()))
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{
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pDevice = alcOpenDevice(pDeviceList->GetDeviceName(pDeviceList->GetDefaultDevice()));
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if (pDevice)
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{
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pContext = alcCreateContext(pDevice, NULL);
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if (pContext)
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{
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alcMakeContextCurrent(pContext);
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thread = new Common::Thread(OpenALStream::ThreadFunc, (void *)this);
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bReturn = true;
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}
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else
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{
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alcCloseDevice(pDevice);
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PanicAlert("OpenAL: can't create context for device %s", pDevice);
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}
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} else {
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PanicAlert("OpenAL: can't open device %s", pDevice);
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}
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delete pDeviceList;
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} else {
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PanicAlert("OpenAL: can't find sound devices");
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}
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return bReturn;
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}
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void OpenALStream::Stop()
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{
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ALCcontext *pContext;
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ALCdevice *pDevice;
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soundCriticalSection.Enter();
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threadData = 1;
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// kick the thread if it's waiting
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soundSyncEvent.Set();
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soundCriticalSection.Leave();
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delete thread;
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pContext = alcGetCurrentContext();
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pDevice = alcGetContextsDevice(pContext);
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alcMakeContextCurrent(NULL);
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alcDestroyContext(pContext);
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alcCloseDevice(pDevice);
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soundSyncEvent.Shutdown();
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thread = NULL;
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}
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void OpenALStream::Update()
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{
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soundSyncEvent.Set();
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}
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THREAD_RETURN OpenALStream::ThreadFunc(void* args)
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{
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(reinterpret_cast<OpenALStream *>(args))->SoundLoop();
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return 0;
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}
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void OpenALStream::SoundLoop()
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{
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while (!threadData) {
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soundCriticalSection.Enter();
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// Add sound playing here
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// m_mixer->Mix(realtimeBuffer, numBytesToRender >> 2);
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soundCriticalSection.Leave();
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if (!threadData)
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soundSyncEvent.Wait();
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}
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}
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#endif //HAVE_OPENAL
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