Method fillLevel

src/core/EnvelopeAndLfoParameters.cpp:290–333

void EnvelopeAndLfoParameters::fillLevel( float * _buf, f_cnt_t _frame,
						const f_cnt_t _release_begin,
						const fpp_t _frames )
{
	QMutexLocker m(&m_paramMutex);

	if( _frame < 0 || _release_begin < 0 )
	{
		return;
	}

	fillLfoLevel( _buf, _frame, _frames );

	for( fpp_t offset = 0; offset < _frames; ++offset, ++_buf, ++_frame )
	{
		float env_level;
		if( _frame < _release_begin )
		{
			if( _frame < m_pahdFrames )
			{
				env_level = m_pahdEnv[_frame];
			}
			else
			{
				env_level = m_sustainLevel;
			}
		}
		else if( ( _frame - _release_begin ) < m_rFrames )
		{
			env_level = m_rEnv[_frame - _release_begin] *
				( ( _release_begin < m_pahdFrames ) ?
				m_pahdEnv[_release_begin] : m_sustainLevel );
		}
		else
		{
			env_level = 0.0f;
		}

		// at this point, *_buf is LFO level
		*_buf = m_controlEnvAmountModel.value() ?
			env_level * ( 0.5f + *_buf ) :
			env_level + *_buf;
	}
}