mirror of https://github.com/axmolengine/axmol.git
155 lines
3.3 KiB
C++
155 lines
3.3 KiB
C++
#include "SimpleAudioEngineOpenSL.h"
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#include <dlfcn.h>
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#include <android/log.h>
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#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG,"SIMPLEAUDIOENGINE_OPENSL", __VA_ARGS__)
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#define LIBOPENSLES "libOpenSLES.so"
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#define PLAYSTATE_UNKNOWN 0
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#define PLAYSTATE_STOPPED 1
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#define PLAYSTATE_PAUSED 2
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#define PLAYSTATE_PLAYING 3
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#define FILE_NOT_FOUND -1
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static void * s_pHandle = 0;
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static OpenSLEngine * s_pOpenSL = 0;
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static SimpleAudioEngineOpenSL * s_pEngine = 0;
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SimpleAudioEngineOpenSL::SimpleAudioEngineOpenSL()
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{
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}
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SimpleAudioEngineOpenSL::~SimpleAudioEngineOpenSL()
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{
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end();
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}
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bool SimpleAudioEngineOpenSL::initEngine()
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{
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bool bRet = false;
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do
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{
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if (s_pOpenSL == NULL)
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{
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// clear the error stack
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dlerror();
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s_pHandle = dlopen(LIBOPENSLES, RTLD_LAZY);
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const char* errorInfo = dlerror();
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if (errorInfo)
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{
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LOGD("%s", errorInfo);
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bRet = false;
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break;
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}
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s_pOpenSL = new OpenSLEngine();
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s_pOpenSL->createEngine(s_pHandle);
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bRet = true;
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}
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} while (0);
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return bRet;
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}
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SimpleAudioEngineOpenSL* SimpleAudioEngineOpenSL::sharedEngine()
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{
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if (s_pEngine == NULL)
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{
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s_pEngine = new SimpleAudioEngineOpenSL();
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}
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s_pEngine->initEngine();
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return s_pEngine;
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}
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void SimpleAudioEngineOpenSL::end()
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{
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if (s_pOpenSL)
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{
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s_pOpenSL->closeEngine();
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delete s_pOpenSL;
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s_pOpenSL = NULL;
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dlclose(s_pHandle);
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s_pHandle = NULL;
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}
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}
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float SimpleAudioEngineOpenSL::getEffectsVolume()
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{
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return s_pOpenSL->getEffectsVolume();
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}
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void SimpleAudioEngineOpenSL::setEffectsVolume(float volume)
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{
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if (volume < 0.0f) volume = 0.0f;
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if (volume > 1.0f) volume = 1.0f;
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s_pOpenSL->setEffectsVolume(volume);
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}
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unsigned int SimpleAudioEngineOpenSL::playEffect(const char* pszFilePath, bool bLoop,
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float pitch, float pan, float gain)
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{
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unsigned int soundID = s_pOpenSL->preloadEffect(pszFilePath);
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if (soundID != FILE_NOT_FOUND)
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{
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if (s_pOpenSL->getEffectState(soundID) == PLAYSTATE_PLAYING)
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{
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// recreate an effect player.
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if (s_pOpenSL->recreatePlayer(pszFilePath))
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{
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s_pOpenSL->setEffectParameters(soundID, bLoop, pitch, pan, gain);
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}
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}
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else
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{
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s_pOpenSL->setEffectState(soundID, PLAYSTATE_STOPPED);
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s_pOpenSL->setEffectState(soundID, PLAYSTATE_PLAYING);
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s_pOpenSL->setEffectParameters(soundID, bLoop, pitch, pan, gain);
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}
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}
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return soundID;
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}
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void SimpleAudioEngineOpenSL::pauseEffect(unsigned int nSoundId)
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{
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s_pOpenSL->setEffectState(nSoundId, PLAYSTATE_PAUSED);
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}
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void SimpleAudioEngineOpenSL::pauseAllEffects()
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{
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s_pOpenSL->setAllEffectState(PLAYSTATE_PAUSED);
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}
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void SimpleAudioEngineOpenSL::resumeEffect(unsigned int nSoundId)
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{
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s_pOpenSL->resumeEffect(nSoundId);
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}
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void SimpleAudioEngineOpenSL::resumeAllEffects()
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{
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s_pOpenSL->resumeAllEffects();
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}
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void SimpleAudioEngineOpenSL::stopEffect(unsigned int nSoundId)
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{
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s_pOpenSL->setEffectState(nSoundId, PLAYSTATE_STOPPED, true);
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}
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void SimpleAudioEngineOpenSL::stopAllEffects()
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{
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s_pOpenSL->setAllEffectState(PLAYSTATE_STOPPED);
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}
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void SimpleAudioEngineOpenSL::preloadEffect(const char* pszFilePath)
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{
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s_pOpenSL->preloadEffect(pszFilePath);
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}
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void SimpleAudioEngineOpenSL::unloadEffect(const char* pszFilePath)
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{
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s_pOpenSL->unloadEffect(pszFilePath);
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}
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