AudioWorld::AudioWorld(Engine::BaseEngine& engine, AudioEngine& audio_engine, const VDFS::FileIndex& vdfidx)
: m_Engine(engine)
, m_VDFSIndex(vdfidx)
, m_exiting(false)
{
#ifdef RE_USE_SOUND
if (!audio_engine.getDevice())
return;
m_Context = alcCreateContext(audio_engine.getDevice(), nullptr);
if (!m_Context)
{
LogWarn() << "Could not create OpenAL context: "
<< AudioEngine::getErrorString(alcGetError(audio_engine.getDevice()));
return;
}
alcMakeContextCurrent(m_Context);
alListener3f(AL_POSITION, 0, 0, 0.0f);
// check for errors
alListener3f(AL_VELOCITY, 0, 0, 0);
// check for errors
ALfloat listenerOri[] = {0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f};
alListenerfv(AL_ORIENTATION, listenerOri);
// Need this for AL_MAX_DISTANCE to work
alDistanceModel(AL_LINEAR_DISTANCE_CLAMPED);
createSounds();
initializeMusic();
#endif
}
int tick(void *outputBuffer, void *inputBuffer, U32 nBufferFrames,
double streamTime, RtAudioStreamStatus status, void *userData)
{
if (status == 0)
{
AudioEngine *engine = reinterpret_cast<AudioEngine *>(userData);
engine->processChannels(outputBuffer, nBufferFrames * 8);
}
return 0;
}
void AudioHandleImpl::enqueue(std::function<void(AudioEmitter& src)> f)
{
size_t id = handleId;
AudioEngine* engine = facade.engine.get();
facade.enqueue([id, engine, f] () {
for (auto& src: engine->getSources(id)) {
f(*src);
}
});
}
static int AudioEngine_PortAudioCallback(
const void *inputBuffer
,void *outputBuffer
,unsigned long framesPerBuffer
,const PaStreamCallbackTimeInfo* timeInfo
,PaStreamCallbackFlags statusFlags
,void *userData
){
AudioEngine* engine = (AudioEngine*) userData;
return engine->fetchSoundData( outputBuffer, framesPerBuffer );
}
/**
* Change pitch, pan and gain of a sound
* Implementation of the setParams method in AudioPlayer.java
*/
JNIEXPORT bool JNICALL Java_com_prettysimple_audio_AudioPlayer_setParams(JNIEnv *env, jobject thiz, jfloat pitch, jfloat pan, jfloat volume) {
bool ret = false;
AudioEngine *engine = AudioEngine::getInstance();
const int audioId = getAudioId(env, thiz); // try to recover the audioIde from the AudioPlayer.java object
if (audioId > 0)
{
ret = engine->setParams(audioId, (float) pitch, (float) pan, (float) volume);
}
return ret;
}
void SoundNode::startDecoding()
{
AudioEngine* pEngine = AudioEngine::get();
m_pDecoder->startDecoding(false, pEngine->getParams());
m_AudioID = pEngine->addSource(*m_pDecoder->getAudioMsgQ(),
*m_pDecoder->getAudioStatusQ());
pEngine->setSourceVolume(m_AudioID, m_Volume);
if (m_SeekBeforeCanRenderTime != 0) {
seek(m_SeekBeforeCanRenderTime);
m_SeekBeforeCanRenderTime = 0;
}
}
/*! Read samples from the current audio device */
v8::Handle<v8::Value> Audio::AudioEngine::read( const v8::Arguments& args ) {
HandleScope scope;
AudioEngine* pEngine = AudioEngine::Unwrap<AudioEngine>( args.This() );
if (pEngine->m_bReadMicrophone) {
Pa_ReadStream( pEngine->m_pPaStream, pEngine->m_cachedInputSampleBlock, pEngine->m_uSamplesPerBuffer );
}
Handle<Array> input = pEngine->getInputBuffer();
return scope.Close( input );
} // end AudioEngine::Read()
/**
* Resume a sound that has been paused
* Implementation of the resume method in AudioPlayer.java
*/
JNIEXPORT bool JNICALL Java_com_prettysimple_audio_AudioPlayer_resume(JNIEnv *env, jobject thiz)
{
bool ret = false;
AudioEngine *engine = AudioEngine::getInstance();
const int audioId = getAudioId(env, thiz);
if (audioId > 0)
{
ret = engine->resume(audioId);
}
return ret;
}
/**
* Pause a sound
* Implementation of the pause method in AudioPlayer.java
*/
JNIEXPORT bool JNICALL Java_com_prettysimple_audio_AudioPlayer_pause(JNIEnv *env, jobject thiz)
{
bool ret = false;
AudioEngine *engine = AudioEngine::getInstance();
const int audioId = getAudioId(env, thiz); // try to recover the audioIde from the AudioPlayer.java object
if (audioId > 0)
{
ret = engine->pause(audioId);
}
return ret;
}
/*! Our V8 new operator */
v8::Handle<v8::Value> Audio::AudioEngine::New( const v8::Arguments& args ) {
HandleScope scope;
if (!args[0]->IsFunction()) {
return ThrowException( Exception::TypeError(String::New("Callback function required")) );
}
Local<Function> callback = Local<Function>::Cast( args[0] );
AudioEngine* engine = new AudioEngine( callback );
engine->Wrap( args.This() );
return scope.Close( args.This() );
} // end AudioEngine::New()
/*! Write samples to the current audio device */
v8::Handle<v8::Value> Audio::AudioEngine::write( const v8::Arguments& args ) {
HandleScope scope;
AudioEngine* pEngine = AudioEngine::Unwrap<AudioEngine>( args.This() );
if (args.Length() > 1 || !args[0]->IsArray()){
return scope.Close( ThrowException(Exception::TypeError(String::New("First argument should be an array."))) );
}
uv_mutex_lock( &pEngine->m_mutex );
pEngine->queueOutputBuffer( Local<Array>::Cast(args[0]) );
uv_mutex_unlock( &pEngine->m_mutex );
Handle<Boolean> result = Boolean::New( false );
return scope.Close( result );
} // end AudioEngine::Write()
int main()
{
ae.openAudio();
cow();
sine_2(4);
sine_1(4);
}
/*! Create a v8 object */
v8::Handle<v8::Value> Audio::AudioEngine::New( const v8::Arguments& args ) {
HandleScope scope;
Local<Object> options;
if( args.Length() > 0 ) {
if( !args[0]->IsObject() )
return scope.Close( ThrowException(Exception::TypeError(String::New("First argument must be an object."))) );
else
options = Local<Object>::Cast( args[0] );
} else {
options = Object::New();
}
AudioEngine* pEngine = new AudioEngine( options );
pEngine->Wrap( args.This() );
return scope.Close( args.This() );
} // end AudioEngine::New()
/*! Set options, restarts audio stream */
v8::Handle<v8::Value> Audio::AudioEngine::setOptions( const v8::Arguments& args ) {
HandleScope scope;
Local<Object> options;
if( args.Length() > 0 ) {
if( !args[0]->IsObject() ) {
return scope.Close( ThrowException(Exception::TypeError(String::New("First argument should be an object."))) );
}
options = Local<Object>::Cast( args[0] );
} else {
return scope.Close( Exception::TypeError(String::New("First argument does not exist.")) );
}
AudioEngine* pEngine = AudioEngine::Unwrap<AudioEngine>( args.This() );
pEngine->applyOptions( options );
return scope.Close( Undefined() );
} // end AudioEngine::SetOptions()x
/*! Changes the output device */
v8::Handle<v8::Value> Audio::AudioEngine::SetOutputDevice( const v8::Arguments& args ) {
HandleScope scope;
// Validate the output args
if( !args[0]->IsNumber() ) {
return ThrowException( Exception::TypeError(String::New("setOutputDevice() requires a device index")) );
}
Local<Number> deviceIndex = Local<Number>::Cast( args[0] );
AudioEngine* engine = AudioEngine::Unwrap<AudioEngine>( args.This() );
// Set the new output device
engine->m_outputParameters.device = deviceIndex->NumberValue();
// Restart the audio stream
engine->restartStream( engine );
return scope.Close( Undefined() );
} // end AudioEngine::SetOutputDevice()
bool AudioEngine::FillBuffer(void** data, int* dataSize, void* context){
AudioEngine* engine = (AudioEngine*)context;
return engine->fillBuffer(data, dataSize);
}
void AudioEngine::audioCallback(void *userData, Uint8 *audioBuffer, int audioBufferLen)
{
AudioEngine *pThis = (AudioEngine*)userData;
pThis->mixAudio(audioBuffer, audioBufferLen);
}
int main(int argc, char *argv[])
{
try {
// Options...
char *cp;
struct option *op;
char opts[NELEM(long_opts) * 3 + 1];
// Build up the short option QString
cp = opts;
for (op = long_opts; op < &long_opts[NELEM(long_opts)]; op++) {
*cp++ = op->val;
if (op->has_arg)
*cp++ = ':';
if (op->has_arg == optional_argument )
*cp++ = ':'; // gets another one
}
// Deal with the options
QString songFilename;
QString playlistFilename;
QString outFilename = NULL;
QString sSelectedDriver;
bool showVersionOpt = false;
const char* logLevelOpt = "Error";
bool showHelpOpt = false;
QString drumkitName;
QString drumkitToLoad;
short bits = 16;
int rate = 44100;
short interpolation = 0;
#ifdef H2CORE_HAVE_JACKSESSION
QString sessionId;
#endif
int c;
while ( 1 ) {
c = getopt_long(argc, argv, opts, long_opts, NULL);
if ( c == -1 ) break;
switch(c) {
case 'd':
sSelectedDriver = QString::fromLocal8Bit(optarg);
break;
case 's':
songFilename = QString::fromLocal8Bit(optarg);
break;
case 'p':
playlistFilename = QString::fromLocal8Bit(optarg);
break;
case 'o':
outFilename = QString::fromLocal8Bit(optarg);
break;
case 'i':
//install h2drumkit
drumkitName = QString::fromLocal8Bit(optarg);
break;
case 'k':
//load Drumkit
drumkitToLoad = QString::fromLocal8Bit(optarg);
break;
case 'r':
rate = strtol(optarg, NULL, 10);
break;
case 'b':
bits = strtol(optarg, NULL, 10);
break;
case 'v':
showVersionOpt = true;
break;
case 'V':
logLevelOpt = (optarg) ? optarg : "Warning";
break;
#ifdef H2CORE_HAVE_JACKSESSION
case 'S':
sessionId = QString::fromLocal8Bit(optarg);
break;
#endif
case 'h':
case '?':
showHelpOpt = true;
break;
}
}
if ( showVersionOpt ) {
cout << get_version() << endl;
exit(0);
}
showInfo();
if ( showHelpOpt ) {
showUsage();
exit(0);
}
// Man your battle stations... this is not a drill.
Logger* logger = Logger::bootstrap( Logger::parse_log_level( logLevelOpt ) );
Object::bootstrap( logger, logger->should_log( Logger::Debug ) );
Filesystem::bootstrap( logger );
MidiMap::create_instance();
Preferences::create_instance();
Preferences* preferences = Preferences::get_instance();
// See below for Hydrogen.
___INFOLOG( QString("Using QT version ") + QString( qVersion() ) );
___INFOLOG( "Using data path: " + Filesystem::sys_data_path() );
#ifdef H2CORE_HAVE_LASH
LashClient::create_instance("hydrogen", "Hydrogen", &argc, &argv);
LashClient* lashClient = LashClient::get_instance();
#endif
if ( ! drumkitName.isEmpty() ){
Drumkit::install( drumkitName );
exit(0);
}
if (sSelectedDriver == "auto") {
preferences->m_sAudioDriver = "Auto";
}
else if (sSelectedDriver == "jack") {
preferences->m_sAudioDriver = "Jack";
}
else if ( sSelectedDriver == "oss" ) {
preferences->m_sAudioDriver = "Oss";
}
else if ( sSelectedDriver == "alsa" ) {
preferences->m_sAudioDriver = "Alsa";
}
else if (sSelectedDriver == "CoreAudio") {
preferences->m_sAudioDriver = "CoreAudio";
}
else if (sSelectedDriver == "PulseAudio") {
preferences->m_sAudioDriver = "PulseAudio";
}
#ifdef H2CORE_HAVE_LASH
if ( preferences->useLash() && lashClient->isConnected() ) {
lash_event_t* lash_event = lashClient->getNextEvent();
if (lash_event && lash_event_get_type(lash_event) == LASH_Restore_File) {
// notify client that this project was not a new one
lashClient->setNewProject(false);
songFilename = "";
songFilename.append( QString::fromLocal8Bit(lash_event_get_string(lash_event)) );
songFilename.append("/hydrogen.h2song");
//Logger::get_instance()->log("[LASH] Restore file: " + songFilename);
lash_event_destroy(lash_event);
} else if (lash_event) {
//Logger::get_instance()->log("[LASH] ERROR: Instead of restore file got event: " + lash_event_get_type(lash_event));
lash_event_destroy(lash_event);
}
}
#endif
#ifdef H2CORE_HAVE_JACKSESSION
if (!sessionId.isEmpty()) {
preferences->setJackSessionUUID ( sessionId );
/* imo, jack sessions use jack as default audio driver.
* hydrogen remember last used audiodriver.
* here we make it save that hydrogen start in a jacksession case
* every time with jack as audio driver
*/
preferences->m_sAudioDriver = "Jack";
}
/* the use of applicationFilePath() make it
* possible to use different executables.
* for example if you start hydrogen from a local
* build directory.
*/
// QString path = pQApp->applicationFilePath();
// preferences->setJackSessionApplicationPath ( path );
#endif
Hydrogen::create_instance();
Hydrogen *pHydrogen = Hydrogen::get_instance();
Song *pSong = NULL;
Playlist *pPlaylist = NULL;
// Load playlist
if ( ! playlistFilename.isEmpty() ) {
pPlaylist = Playlist::load ( playlistFilename );
if ( ! pPlaylist ) {
___ERRORLOG( "Error loading the playlist" );
return 0;
}
/* Load first song */
preferences->setLastPlaylistFilename( playlistFilename );
pPlaylist->loadSong( 0 );
pSong = pHydrogen->getSong();
show_playlist ( pHydrogen, pPlaylist->getActiveSongNumber() );
}
// Load song - if wasn't already loaded with playlist
if ( ! pSong ) {
if ( !songFilename.isEmpty() ) {
pSong = Song::load( songFilename );
} else {
/* Try load last song */
bool restoreLastSong = preferences->isRestoreLastSongEnabled();
QString filename = preferences->getLastSongFilename();
if ( restoreLastSong && ( !filename.isEmpty() ))
pSong = Song::load( filename );
}
/* Still not loaded */
if (! pSong) {
___INFOLOG("Starting with empty song");
pSong = Song::get_empty_song();
pSong->set_filename( "" );
}
pHydrogen->setSong( pSong );
preferences->setLastSongFilename( songFilename );
}
if ( ! drumkitToLoad.isEmpty() ){
Drumkit* drumkitInfo = Drumkit::load_by_name( drumkitToLoad, true );
if ( drumkitInfo ) {
pHydrogen->loadDrumkit( drumkitInfo );
} else {
___ERRORLOG ( "Error loading the drumkit" );
}
}
AudioEngine* AudioEngine = AudioEngine::get_instance();
Sampler* sampler = AudioEngine->get_sampler();
switch ( interpolation ) {
case 1:
sampler->setInterpolateMode( Sampler::COSINE );
break;
case 2:
sampler->setInterpolateMode( Sampler::THIRD );
break;
case 3:
sampler->setInterpolateMode( Sampler::CUBIC );
break;
case 4:
sampler->setInterpolateMode( Sampler::HERMITE );
break;
case 0:
default:
sampler->setInterpolateMode( Sampler::LINEAR );
}
EventQueue *pQueue = EventQueue::get_instance();
signal(SIGINT, signal_handler);
bool ExportMode = false;
if ( ! outFilename.isEmpty() ) {
pHydrogen->startExportSong ( outFilename, rate, bits );
cout << "Export Progress ... ";
bool ExportMode = true;
}
// Interactive mode
while ( ! quit ) {
/* FIXME: Someday here will be The Real CLI ;-) */
Event event = pQueue->pop_event();
// if ( event.type > 0) cout << "EVENT TYPE: " << event.type << endl;
/* Event handler */
switch ( event.type ) {
case EVENT_PROGRESS: /* event used only in export mode */
if ( ! ExportMode ) break;
if ( event.value < 100 ) {
cout << "\rExport Progress ... " << event.value << "%";
} else {
cout << "\rExport Progress ... DONE" << endl;
quit = true;
}
break;
case EVENT_PLAYLIST_LOADSONG: /* Load new song on MIDI event */
if ( pPlaylist->loadSong ( event.value ) ) {
pSong = pHydrogen->getSong();
show_playlist ( pHydrogen, pPlaylist->getActiveSongNumber() );
}
break;
case EVENT_NONE: /* Sleep if there is no more events */
Sleeper::msleep ( 100 );
break;
}
}
if ( pHydrogen->getState() == STATE_PLAYING )
pHydrogen->sequencer_stop();
delete pSong;
delete pPlaylist;
delete pQueue;
delete pHydrogen;
delete preferences;
delete AudioEngine;
delete MidiMap::get_instance();
delete MidiActionManager::get_instance();
___INFOLOG( "Quitting..." );
delete Logger::get_instance();
int nObj = Object::objects_count();
if (nObj != 0) {
cerr << "\n\n\n " << nObj << " alive objects\n\n" << endl << endl;
Object::write_objects_map_to_cerr();
}
}
catch ( const H2Exception& ex ) {
cerr << "[main] Exception: " << ex.what() << endl;
}
catch (...) {
cerr << "[main] Unknown exception X-(" << endl;
}
return 0;
}
void AudioEngine::bq_player_callback(SLAndroidSimpleBufferQueueItf bq, void* data)
{
AudioEngine* engine = static_cast<AudioEngine*> (data);
engine->bq_player_callback_handler(bq);
}
