void FIR::exec( Array< Sample > &samples )
{
mutex.lock();
const float *fir_coeff_data = fir_coeff.constData();
for ( int i = 0 ; i < outputsCount() ; ++i )
{
float sum = 0.0;
inputBuffer[ i ].set( inputSamples[ i ] );
float *chunk1, *chunk2;
int s1, s2;
inputBuffer[ i ].getChunks( chunk1, s1, chunk2, s2 );
int j, k;
for ( j = 0 ; j < s1 ; ++j )
sum += fir_coeff_data[ j ] * chunk1[ j ];
k = j;
for ( j = 0 ; j < s2 ; ++j, ++k )
sum += fir_coeff_data[ k ] * chunk2[ j ];
inputBuffer[ i ].advance();
samples += ( Sample ){ getTarget( i ), sum };
}
mutex.unlock();
}
bool Gain::start()
{
if ( inputsCount() != outputsCount() )
return false;
settings->setRunMode( true );
buffer.reset( new float[ inputsCount() ]() );
return true;
}
bool Math::start()
{
if ( inputsCount() != outputsCount() )
return false;
buffer.reset( new float[ inputsCount() ]() );
settings->setRunMode( true );
setOperation();
return true;
}
bool FIR::start()
{
if ( inputsCount() != outputsCount() )
return false;
settings->setRunMode( true );
inputBuffer.reset( new RingBuffer< float >[ inputsCount() ] );
inputSamples.reset( new float[ inputsCount() ]() );
setInputBuffer();
return true;
}
void play() {
int n_outputs = outputsCount();
Q_ASSERT( n_outputs == m_ways );
int i = 0,
s = m_inputs[0].count();
foreach(Photo photo, m_inputs[0]) {
if (aborted())
continue;
outputPush(i%n_outputs, photo);
emitProgress(i, s, 0, 1);
++i;
}
if (aborted() )
emitFailure();
else
emitSuccess();
}
void PWM::exec( Array< Sample > &samples )
{
quint32 period = round( Global::getSampleRate() / freq );
quint32 hi_samples = round( period * duty );
quint32 lo_samples = period - hi_samples;
if ( !state && num_samples >= lo_samples )
{
num_samples = 0;
if ( hi_samples > 0 )
state = true;
}
if ( state && num_samples >= hi_samples )
{
num_samples = 0;
if ( lo_samples > 0 )
state = false;
}
++num_samples;
for ( int i = 0 ; i < outputsCount() ; ++i )
samples += ( Sample ){ getTarget( i ), ( float )state };
}
void Gain::exec( Array< Sample > &samples )
{
for ( int i = 0 ; i < outputsCount() ; ++i )
samples += ( Sample ){ getTarget( i ), buffer[ i ] * gain };
}
void Math::exec( Array< Sample > &samples )
{
MathFunc _math_func = math_func;
for ( int i = 0 ; i < outputsCount() ; ++i )
samples += ( Sample ){ getTarget( i ), ( float )_math_func( buffer[ i ] ) };
}
void RandomGen::exec( Array< Sample > &samples )
{
for ( int i = 0 ; i < outputsCount() ; ++i )
samples += ( Sample ){ getTarget( i ), qrand() / ( RAND_MAX / 2.0f ) - 1.0f };
}