CAudioSource2_ptr ParaEngine::CAudioEngine2::Create(const char* sName, const char* sWavePath, bool bStream)
{
CAudioSource2_ptr pWave;
AudioFileMap_type::iterator iter = m_audio_file_map.find(sName);
if (iter!=m_audio_file_map.end())
{
pWave = iter->second;
if(!pWave)
{
pWave = new CAudioSource2(sName);
iter->second = pWave;
}
if(pWave->m_pSource)
{
pWave->m_pSource->stop();
}
}
else
{
pWave = new CAudioSource2(sName);
m_audio_file_map[sName] = pWave;
}
if(m_pAudioEngine == 0)
return pWave;
AssetFileEntry* pEntry = CAssetManifest::GetSingleton().GetFile(sWavePath);
if(pEntry)
{
if(pEntry->DoesFileExist())
{
// we already downloaded the file, so load it.
IParaAudioSource* pSource = NULL;
#ifdef PARAENGINE_MOBILE
// streaming should be disabled since it is too slow on mobile disk.
OUTPUT_LOG("streaming audio file %s is disabled since it is too slow on mobile disk\n", pEntry->GetLocalFileName().c_str());
bStream = false;
#endif
if(bStream)
{
// Since local cache filename does not have file extension, however audio engine needs to have an extension in order to load from file.
// so we will create a file with the proper extension in the same directory.
std::string filename = pEntry->GetFullFilePath() + "." + CParaFile::GetFileExtension(sWavePath);
// OUTPUT_LOG("info:streaming audio file from %s\n", filename.c_str());
if(!CParaFile::DoesFileExist(filename.c_str(), false))
{
if(CParaFile::CopyFile(pEntry->GetLocalFileName().c_str(), filename.c_str(), true))
{
pSource = m_pAudioEngine->create(sName, filename.c_str(), bStream);
}
else
{
OUTPUT_LOG("warning: failed to copy audio file from %s to %s\n", pEntry->GetLocalFileName().c_str(), filename.c_str());
}
}
else
{
pSource = m_pAudioEngine->create(sName, filename.c_str(), bStream);
}
}
else
{
// always load from memory if no streaming is specified.
ParaEngine::CParaFile file(pEntry->GetLocalFileName().c_str());
// OUTPUT_LOG("info:playing in memory audio file from %s\n", pEntry->GetLocalFileName().c_str());
if(!file.isEof())
{
std::string file_extension = CParaFile::GetFileExtension(sWavePath);
pSource = m_pAudioEngine->createFromMemory(sName, file.getBuffer(), file.getSize(), file_extension.c_str());
}
else
{
OUTPUT_LOG("warning: failed to open audio file %s\n", pEntry->GetLocalFileName().c_str());
}
}
if(pSource)
{
pWave->SetSource(pSource);
// if there is pending looped sound, we will play it. For non-looping sound that has just finished downloading, we will ignore it.
if(pWave->m_bIsAsyncLoadingWhileLoopPlaying)
{
pWave->play2d(true);
}
}
}
else
{
CWaveFileDownloadCallBackData2 callBack(sName, sWavePath, bStream);
// we shall wait for asset completion.
pEntry->SyncFile_Async(callBack);
}
}
else
{
#if !(defined(STATIC_PLUGIN_CAUDIOENGINE)) && !(defined(PARAENGINE_MOBILE) && defined(WIN32))
if(ParaEngine::CParaFile::DoesFileExist(sWavePath, false))
{
IParaAudioSource* pSource = m_pAudioEngine->create(sName, sWavePath, bStream);
if(pSource)
{
pWave->SetSource(pSource);
}
}
else
#endif
{
// currently it will unzip file each time a zipped music is played. We may first check a fixed temp location and play it from there before extracting to it.
ParaEngine::CParaFile file(sWavePath);
if(!file.isEof())
{
#ifdef PARAENGINE_MOBILE
OUTPUT_LOG("audio file opened: %s \n", sWavePath);
#endif
std::string file_extension = CParaFile::GetFileExtension(sWavePath);
IParaAudioSource* pSource = m_pAudioEngine->createFromMemory(sWavePath, file.getBuffer(), file.getSize(), file_extension.c_str());
if(pSource)
{
pWave->SetSource(pSource);
}
}
}
}
return pWave;
}
HRESULT ParaEngine::CAudioEngine2::PlayWaveFile( const char* sWavePath, bool bLoop, bool bStream/*=false*/, int dwPlayOffset/*=0*/ )
{
if(!IsValidAndEnabled() || GetGlobalVolume()<=0.f)
return E_FAIL;
// check if the wave file is already prepared before
CAudioSource2_ptr pWave;
AudioFileMap_type::iterator iter = m_audio_file_map.find(sWavePath);
if (iter!=m_audio_file_map.end())
{
pWave = iter->second;
if(pWave && pWave->m_pSource)
{
if(pWave->m_pSource->isPlaying())
{
// already playing, so return.
#ifdef DEBUG_AUDIO
OUTPUT_LOG("PlayWaveFile: %s already playing. audio pos: %d, audio time:%f, total size %d, volume %f\n", sWavePath,
pWave->m_pSource->getCurrentAudioPosition(),
pWave->m_pSource->getCurrentAudioTime(),
pWave->m_pSource->getTotalAudioSize(),
pWave->m_pSource->getVolume());
#endif
return S_OK;
}
}
else
{
// it usually means that the music is pending for downloading.
#ifdef DEBUG_AUDIO
OUTPUT_LOG("PlayWaveFile: %s pending for download\n", sWavePath);
#endif
return S_OK;
}
}
else
{
// prepare the wave file.
bool bSucceed = false;
AssetFileEntry* pEntry = CAssetManifest::GetSingleton().GetFile(sWavePath);
if(pEntry)
{
if(pEntry->DoesFileExist())
{
// we already downloaded the file, so load it.
IParaAudioSource* pSource = NULL;
if(bStream)
{
// Since local cache filename does not have file extension, however audio engine needs to have an extension in order to load from file.
// so we will create a file with the proper extension in the same directory.
std::string filename = pEntry->GetFullFilePath() + "." + CParaFile::GetFileExtension(sWavePath);
if(!CParaFile::DoesFileExist(filename.c_str(), false))
{
if(CParaFile::CopyFile(pEntry->GetLocalFileName().c_str(), filename.c_str(), false))
{
pSource = m_pAudioEngine->create(sWavePath, filename.c_str(), bStream);
}
}
else
{
pSource = m_pAudioEngine->create(sWavePath, filename.c_str(), bStream);
}
}
else
{
// always load from memory if no streaming is specified.
ParaEngine::CParaFile file(pEntry->GetLocalFileName().c_str());
if(!file.isEof())
{
std::string file_extension = CParaFile::GetFileExtension(sWavePath);
pSource = m_pAudioEngine->createFromMemory(sWavePath, file.getBuffer(), file.getSize(), file_extension.c_str());
}
}
if(pSource)
{
pWave = new CAudioSource2(sWavePath, pSource);
m_audio_file_map[sWavePath] = pWave;
bSucceed = true;
}
}
else
{
// push to the queue.
m_audio_file_map[sWavePath] = CAudioSource2_ptr(new CAudioSource2(sWavePath));
CWaveFilePlayCallBackData2 callBack(sWavePath, bLoop, bStream);
// we shall wait for asset completion.
pEntry->SyncFile_Async(callBack);
}
}
else
{
#if !(defined(STATIC_PLUGIN_CAUDIOENGINE)) && !(defined(PARAENGINE_MOBILE) && defined(WIN32))
if(ParaEngine::CParaFile::DoesFileExist(sWavePath, false))
{
IParaAudioSource* pSource = m_pAudioEngine->create(sWavePath, sWavePath, bStream);
if(pSource)
{
pWave = new CAudioSource2(sWavePath, pSource);
m_audio_file_map[sWavePath] = pWave;
bSucceed = true;
#ifdef DEBUG_AUDIO
OUTPUT_LOG("PlayWaveFile: new audio %s prepared \n", sWavePath);
#endif
}
}
else
#endif
{
// currently it will unzip file each time a zipped music is played. We may first check a fixed temp location and play it from there before extracting to it.
ParaEngine::CParaFile file(sWavePath);
if(!file.isEof())
{
std::string file_extension = CParaFile::GetFileExtension(sWavePath);
IParaAudioSource* pSource = m_pAudioEngine->createFromMemory(sWavePath, file.getBuffer(), file.getSize(), file_extension.c_str());
if(pSource)
{
pWave = new CAudioSource2(sWavePath, pSource);
m_audio_file_map[sWavePath] = pWave;
bSucceed = true;
}
}
}
}
if(!bSucceed)
{
m_audio_file_map[sWavePath] = CAudioSource2_ptr(new CAudioSource2(sWavePath));
OUTPUT_LOG("unable to prepare wave file %s\r\n", sWavePath);
return E_FAIL;
}
}
// play the sound
if(pWave)
{
if( ! (pWave->play2d(bLoop, false)) )
{
return E_FAIL;
}
#ifdef DEBUG_AUDIO
if(pWave->m_pSource)
{
OUTPUT_LOG("PlayWaveFile: play2d is called for %s. audio pos: %d, audio time:%f, total size %d, volume %f\n", sWavePath,
pWave->m_pSource->getCurrentAudioPosition(),
pWave->m_pSource->getCurrentAudioTime(),
pWave->m_pSource->getTotalAudioSize(),
pWave->m_pSource->getVolume());
}
#endif
}
return S_OK;
}