// ----------------------------------------------------------------------------
void ofOpenALSoundPlayer::play(){
std::unique_lock<std::mutex> lock(mutex);
int err = glGetError();
// if the sound is set to multiplay, then create new sources,
// do not multiplay on loop or we won't be able to stop it
if (bMultiPlay && !bLoop){
sources.resize(sources.size()+channels);
alGetError(); // Clear error.
alGenSources(channels, &sources[sources.size()-channels]);
err = alGetError();
if (err != AL_NO_ERROR){
ofLogError("ofOpenALSoundPlayer") << "play(): couldn't create multiplay stereo sources: "
<< (int) err << " " << getALErrorString(err);
return;
}
for(int i=0;i<channels;i++){
alSourcei (sources[sources.size()-channels+i], AL_BUFFER, buffers[i] );
// only stereo panning
if(i==0){
float pos[3] = {-1,0,0};
alSourcefv(sources[sources.size()-channels+i],AL_POSITION,pos);
}else{
float pos[3] = {1,0,0};
alSourcefv(sources[sources.size()-channels+i],AL_POSITION,pos);
}
alSourcef (sources[sources.size()-channels+i], AL_ROLLOFF_FACTOR, 0.0);
alSourcei (sources[sources.size()-channels+i], AL_SOURCE_RELATIVE, AL_TRUE);
}
err = glGetError();
if (err != AL_NO_ERROR){
ofLogError("ofOpenALSoundPlayer") << "play(): couldn't assign multiplay buffers: "
<< (int) err << " " << getALErrorString(err);
return;
}
}
alSourcePlayv(channels,&sources[sources.size()-channels]);
if(bMultiPlay){
ofAddListener(ofEvents().update,this,&ofOpenALSoundPlayer::update);
}
if(isStreaming){
setPosition(0);
stream_end = false;
startThread(true);
}
}
void errorCheck( CSulString prefixString )
{
ALenum error;
if ( (error = alGetError()) != AL_NO_ERROR )
{
CSulString s = getALErrorString( error );
std::cout << "ERROR: " << prefixString << " " << s << std::endl;
exit(-1);
}
}
xdl_int XdevLAudioBufferAL::upload(xdl_int8* src, xdl_uint size) {
XDEVL_ASSERT( (m_locked == xdl_true), "You must use lock() before you can upload data into the buffer");
// Initialize AL buffer and upload data.
alBufferData(m_id, m_format, (ALvoid*)src, size, m_freq);
ALenum error = alGetError();
if(error != AL_NO_ERROR) {
std::cerr << getALErrorString(error) << std::endl;
return RET_FAILED;
}
m_size = size;
return RET_SUCCESS;
}
//------------------------------------------------------------
bool ofOpenALSoundPlayer::loadSound(string fileName, bool is_stream){
fileName = ofToDataPath(fileName);
bMultiPlay = false;
isStreaming = is_stream;
int err = AL_NO_ERROR;
// [1] init sound systems, if necessary
initialize();
// [2] try to unload any previously loaded sounds
// & prevent user-created memory leaks
// if they call "loadSound" repeatedly, for example
unloadSound();
ALenum format=AL_FORMAT_MONO16;
bLoadedOk = false;
if(!isStreaming){
readFile(fileName, buffer);
}else{
stream(fileName, buffer);
}
int numFrames = buffer.size()/channels;
if(isStreaming){
buffers.resize(channels*2);
}else{
buffers.resize(channels);
}
alGenBuffers(buffers.size(), &buffers[0]);
if(channels==1){
sources.resize(1);
alGenSources(1, &sources[0]);
err = alGetError();
if (err != AL_NO_ERROR){
ofLogError("ofOpenALSoundPlayer") << "loadSound(): couldn't generate source for \"" << fileName << "\": "
<< (int) err << " " << getALErrorString(err);
return false;
}
for(int i=0; i<(int)buffers.size(); i++){
alBufferData(buffers[i],format,&buffer[0],buffer.size()*2,samplerate);
err = alGetError();
if (err != AL_NO_ERROR){
ofLogError("ofOpenALSoundPlayer:") << "loadSound(): couldn't create buffer for \"" << fileName << "\": "
<< (int) err << " " << getALErrorString(err);
return false;
}
if(isStreaming){
stream(fileName,buffer);
}
}
if(isStreaming){
alSourceQueueBuffers(sources[0],buffers.size(),&buffers[0]);
}else{
alSourcei (sources[0], AL_BUFFER, buffers[0]);
}
alSourcef (sources[0], AL_PITCH, 1.0f);
alSourcef (sources[0], AL_GAIN, 1.0f);
alSourcef (sources[0], AL_ROLLOFF_FACTOR, 0.0);
alSourcei (sources[0], AL_SOURCE_RELATIVE, AL_TRUE);
}else{
vector<vector<short> > multibuffer;
multibuffer.resize(channels);
sources.resize(channels);
alGenSources(channels, &sources[0]);
if(isStreaming){
for(int s=0; s<2;s++){
for(int i=0;i<channels;i++){
multibuffer[i].resize(buffer.size()/channels);
for(int j=0;j<numFrames;j++){
multibuffer[i][j] = buffer[j*channels+i];
}
alBufferData(buffers[s*2+i],format,&multibuffer[i][0],buffer.size()/channels*2,samplerate);
err = alGetError();
if ( err != AL_NO_ERROR){
ofLogError("ofOpenALSoundPlayer") << "loadSound(): couldn't create stereo buffers for \"" << fileName << "\": " << (int) err << " " << getALErrorString(err);
return false;
}
alSourceQueueBuffers(sources[i],1,&buffers[s*2+i]);
stream(fileName,buffer);
}
}
}else{
for(int i=0;i<channels;i++){
multibuffer[i].resize(buffer.size()/channels);
for(int j=0;j<numFrames;j++){
multibuffer[i][j] = buffer[j*channels+i];
}
alBufferData(buffers[i],format,&multibuffer[i][0],buffer.size()/channels*2,samplerate);
err = alGetError();
if (err != AL_NO_ERROR){
ofLogError("ofOpenALSoundPlayer") << "loadSound(): couldn't create stereo buffers for \"" << fileName << "\": "
<< (int) err << " " << getALErrorString(err);
return false;
}
alSourcei (sources[i], AL_BUFFER, buffers[i] );
}
}
for(int i=0;i<channels;i++){
err = alGetError();
if (err != AL_NO_ERROR){
ofLogError("ofOpenALSoundPlayer") << "loadSound(): couldn't create stereo sources for \"" << fileName << "\": "
<< (int) err << " " << getALErrorString(err);
return false;
}
// only stereo panning
if(i==0){
float pos[3] = {-1,0,0};
alSourcefv(sources[i],AL_POSITION,pos);
}else{
float pos[3] = {1,0,0};
alSourcefv(sources[i],AL_POSITION,pos);
}
alSourcef (sources[i], AL_ROLLOFF_FACTOR, 0.0);
alSourcei (sources[i], AL_SOURCE_RELATIVE, AL_TRUE);
}
}
bLoadedOk = true;
return bLoadedOk;
}