int jackDriverSampleRate( jack_nframes_t nframes, void *param )
{
Object* __object = ( Object* )param;
QString msg = QString("Jack SampleRate changed: the sample rate is now %1/sec").arg( QString::number( (int) nframes ) );
__INFOLOG( msg );
jack_server_sampleRate = nframes;
return 0;
}
/**
* Callback function for the JACK audio server to set the sample rate
* #H2Core::jack_server_sampleRate and prints a message to
* the #__INFOLOG, which has to be included via a Logger instance in
* the provided @a param.
*
* It gets registered as a callback function of the JACK server in
* JackAudioDriver::init() using _jack_set_sample_rate_callback()_.
*
* \param nframes New sample rate. The object has to be of type
* _jack_nframes_t_, which is defined in the jack/types.h header.
* \param param Object containing a Logger member to display the
* change in the sample rate in its INFOLOG.
*
* @return 0 on success
*/
int jackDriverSampleRate( jack_nframes_t nframes, void* param ){
// Used for logging.
Object* __object = ( Object* )param;
QString msg = QString("Jack SampleRate changed: the sample rate is now %1/sec").arg( QString::number( (int) nframes ) );
// The __INFOLOG macro uses the Object *__object and not the
// Object instance as INFOLOG does. It will call
// __object->logger()->log( H2Core::Logger::Info, ..., msg )
// (see object.h).
__INFOLOG( msg );
jack_server_sampleRate = nframes;
return 0;
}
void* diskWriterDriver_thread( void* param )
{
Object* __object = ( Object* )param;
DiskWriterDriver *pDriver = ( DiskWriterDriver* )param;
EventQueue::get_instance()->push_event( EVENT_PROGRESS, 0 );
pDriver->setBpm( Hydrogen::get_instance()->getSong()->__bpm );
pDriver->audioEngine_process_checkBPMChanged();
__INFOLOG( "DiskWriterDriver thread start" );
// always rolling, no user interaction
pDriver->m_transport.m_status = TransportInfo::ROLLING;
SF_INFO soundInfo;
soundInfo.samplerate = pDriver->m_nSampleRate;
// soundInfo.frames = -1;//getNFrames(); ///\todo: da terminare
soundInfo.channels = 2;
//default format
int sfformat = 0x010000; //wav format (default)
int bits = 0x0002; //16 bit PCM (default)
//sf_format switch
if( pDriver->m_sFilename.endsWith(".aiff") || pDriver->m_sFilename.endsWith(".AIFF") ){
sfformat = 0x020000; //Apple/SGI AIFF format (big endian)
}
if( pDriver->m_sFilename.endsWith(".flac") || pDriver->m_sFilename.endsWith(".FLAC") ){
sfformat = 0x170000; //FLAC lossless file format
}
if( ( pDriver->m_nSampleDepth == 8 ) && ( pDriver->m_sFilename.endsWith(".aiff") || pDriver->m_sFilename.endsWith(".AIFF") ) ){
bits = 0x0001; //Signed 8 bit data works with aiff
}
if( ( pDriver->m_nSampleDepth == 8 ) && ( pDriver->m_sFilename.endsWith(".wav") || pDriver->m_sFilename.endsWith(".WAV") ) ){
bits = 0x0005; //Unsigned 8 bit data needed for Microsoft WAV format
}
if( pDriver->m_nSampleDepth == 16 ){
bits = 0x0002; //Signed 16 bit data
}
if( pDriver->m_nSampleDepth == 24 ){
bits = 0x0003; //Signed 24 bit data
}
if( pDriver->m_nSampleDepth == 32 ){
bits = 0x0004; ////Signed 32 bit data
}
soundInfo.format = sfformat|bits;
// #ifdef HAVE_OGGVORBIS
//ogg vorbis option
if( pDriver->m_sFilename.endsWith( ".ogg" ) | pDriver->m_sFilename.endsWith( ".OGG" ) )
soundInfo.format = SF_FORMAT_OGG | SF_FORMAT_VORBIS;
// #endif
///formats
// SF_FORMAT_WAV = 0x010000, /* Microsoft WAV format (little endian). */
// SF_FORMAT_AIFF = 0x020000, /* Apple/SGI AIFF format (big endian). */
// SF_FORMAT_AU = 0x030000, /* Sun/NeXT AU format (big endian). */
// SF_FORMAT_RAW = 0x040000, /* RAW PCM data. */
// SF_FORMAT_PAF = 0x050000, /* Ensoniq PARIS file format. */
// SF_FORMAT_SVX = 0x060000, /* Amiga IFF / SVX8 / SV16 format. */
// SF_FORMAT_NIST = 0x070000, /* Sphere NIST format. */
// SF_FORMAT_VOC = 0x080000, /* VOC files. */
// SF_FORMAT_IRCAM = 0x0A0000, /* Berkeley/IRCAM/CARL */
// SF_FORMAT_W64 = 0x0B0000, /* Sonic Foundry's 64 bit RIFF/WAV */
// SF_FORMAT_MAT4 = 0x0C0000, /* Matlab (tm) V4.2 / GNU Octave 2.0 */
// SF_FORMAT_MAT5 = 0x0D0000, /* Matlab (tm) V5.0 / GNU Octave 2.1 */
// SF_FORMAT_PVF = 0x0E0000, /* Portable Voice Format */
// SF_FORMAT_XI = 0x0F0000, /* Fasttracker 2 Extended Instrument */
// SF_FORMAT_HTK = 0x100000, /* HMM Tool Kit format */
// SF_FORMAT_SDS = 0x110000, /* Midi Sample Dump Standard */
// SF_FORMAT_AVR = 0x120000, /* Audio Visual Research */
// SF_FORMAT_WAVEX = 0x130000, /* MS WAVE with WAVEFORMATEX */
// SF_FORMAT_SD2 = 0x160000, /* Sound Designer 2 */
// SF_FORMAT_FLAC = 0x170000, /* FLAC lossless file format */
// SF_FORMAT_CAF = 0x180000, /* Core Audio File format */
// SF_FORMAT_OGG
///bits
// SF_FORMAT_PCM_S8 = 0x0001, /* Signed 8 bit data */
// SF_FORMAT_PCM_16 = 0x0002, /* Signed 16 bit data */
// SF_FORMAT_PCM_24 = 0x0003, /* Signed 24 bit data */
// SF_FORMAT_PCM_32 = 0x0004, /* Signed 32 bit data */
///used for ogg
// SF_FORMAT_VORBIS
if ( !sf_format_check( &soundInfo ) ) {
__ERRORLOG( "Error in soundInfo" );
return 0;
}
SNDFILE* m_file = sf_open( pDriver->m_sFilename.toLocal8Bit(), SFM_WRITE, &soundInfo );
float *pData = new float[ pDriver->m_nBufferSize * 2 ]; // always stereo
float *pData_L = pDriver->m_pOut_L;
float *pData_R = pDriver->m_pOut_R;
Hydrogen* engine = Hydrogen::get_instance();
std::vector<PatternList*> *pPatternColumns = Hydrogen::get_instance()->getSong()->get_pattern_group_vector();
int nColumns = pPatternColumns->size();
int nPatternSize;
int validBpm = engine->getSong()->__bpm;
float oldBPM = 0;
float ticksize = 0;
for ( int patternposition = 0; patternposition < nColumns; ++patternposition ) {
PatternList *pColumn = ( *pPatternColumns )[ patternposition ];
if ( pColumn->size() != 0 ) {
nPatternSize = pColumn->get( 0 )->get_length();
} else {
nPatternSize = MAX_NOTES;
}
ticksize = pDriver->m_nSampleRate * 60.0 / engine->getSong()->__bpm / engine->getSong()->__resolution;
// check pattern bpm if timeline bpm is in use
Timeline* pTimeline = engine->getTimeline();
if(Preferences::get_instance()->getUseTimelineBpm() ){
if( pTimeline->m_timelinevector.size() >= 1 ){
for ( int t = 0; t < pTimeline->m_timelinevector.size(); t++){
if(pTimeline->m_timelinevector[t].m_htimelinebeat == patternposition &&
pTimeline->m_timelinevector[t].m_htimelinebpm != validBpm){
validBpm = pTimeline->m_timelinevector[t].m_htimelinebpm;
}
}
}
pDriver->setBpm(validBpm);
ticksize = pDriver->m_nSampleRate * 60.0 / validBpm / Hydrogen::get_instance()->getSong()->__resolution;
pDriver->audioEngine_process_checkBPMChanged();
engine->setPatternPos(patternposition);
// delay needed time to calculate all rubberband samples
if( Preferences::get_instance()->getRubberBandBatchMode() && validBpm != oldBPM ){
EventQueue::get_instance()->push_event( EVENT_RECALCULATERUBBERBAND, -1);
int sleepTime = Preferences::get_instance()->getRubberBandCalcTime()+1;
while ((sleepTime = sleep(sleepTime)) > 0);
}
oldBPM = validBpm;
}
else
{
ticksize = pDriver->m_nSampleRate * 60.0 / Hydrogen::get_instance()->getSong()->__bpm / Hydrogen::get_instance()->getSong()->__resolution;
//pDriver->m_transport.m_nTickSize = ticksize;
}
//here we have the pattern length in frames dependent from bpm and samplerate
unsigned patternLengthInFrames = ticksize * nPatternSize;
unsigned frameNumber = 0;
int lastRun = 0;
while ( frameNumber < patternLengthInFrames ) {
int usedBuffer = pDriver->m_nBufferSize;
//this will calculate the the size from -last- (end of pattern) used frame buffer,
//which is mostly smaller than pDriver->m_nBufferSize
if( patternLengthInFrames - frameNumber < pDriver->m_nBufferSize ){
lastRun = patternLengthInFrames - frameNumber;
usedBuffer = lastRun;
};
frameNumber += usedBuffer;
int ret = pDriver->m_processCallback( usedBuffer, NULL );
for ( unsigned i = 0; i < usedBuffer; i++ ) {
if(pData_L[i] > 1){
pData[i * 2] = 1;
}
else if(pData_L[i] < -1){
pData[i * 2] = -1;
}else
{
pData[i * 2] = pData_L[i];
}
if(pData_R[i] > 1){
pData[i * 2 + 1] = 1;
}
else if(pData_R[i] < -1){
pData[i * 2 + 1] = -1;
}else
{
pData[i * 2 + 1] = pData_R[i];
}
}
int res = sf_writef_float( m_file, pData, usedBuffer );
if ( res != ( int )usedBuffer ) {
__ERRORLOG( "Error during sf_write_float" );
}
}
// this progress bar methode is not exact but ok enough to give users a usable visible progress feedback
float fPercent = ( float )(patternposition +1) / ( float )nColumns * 100.0;
EventQueue::get_instance()->push_event( EVENT_PROGRESS, ( int )fPercent );
}
delete[] pData;
pData = NULL;
sf_close( m_file );
__INFOLOG( "DiskWriterDriver thread end" );
pthread_exit( NULL );
return NULL;
}
