mirror of
https://github.com/LMMS/lmms.git
synced 2026-03-10 10:10:02 -04:00
adf8aed93c
git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1718 0778d3d1-df1d-0410-868b-ea421aaaa00d
173 lines
4.2 KiB
C++
173 lines
4.2 KiB
C++
#ifndef SINGLE_SOURCE_COMPILE
|
|
|
|
/*
|
|
* sample_play_handle.cpp - implementation of class samplePlayHandle
|
|
*
|
|
* Copyright (c) 2005-2008 Tobias Doerffel <tobydox/at/users.sourceforge.net>
|
|
*
|
|
* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public
|
|
* License along with this program (see COPYING); if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301 USA.
|
|
*
|
|
*/
|
|
|
|
|
|
#include "sample_play_handle.h"
|
|
#include "audio_port.h"
|
|
#include "bb_track.h"
|
|
#include "engine.h"
|
|
#include "instrument_track.h"
|
|
#include "pattern.h"
|
|
#include "sample_buffer.h"
|
|
#include "sample_track.h"
|
|
|
|
|
|
|
|
samplePlayHandle::samplePlayHandle( const QString & _sample_file ) :
|
|
playHandle( SamplePlayHandle ),
|
|
m_sampleBuffer( new sampleBuffer( _sample_file ) ),
|
|
m_doneMayReturnTrue( true ),
|
|
m_frame( 0 ),
|
|
m_audioPort( new audioPort( "samplePlayHandle", false ) ),
|
|
m_ownAudioPort( true ),
|
|
m_defaultVolumeModel( DefaultVolume, MinVolume, MaxVolume, 1 ),
|
|
m_volumeModel( &m_defaultVolumeModel ),
|
|
m_track( NULL ),
|
|
m_bbTrack( NULL )
|
|
{
|
|
}
|
|
|
|
|
|
|
|
|
|
samplePlayHandle::samplePlayHandle( sampleBuffer * _sample_buffer ) :
|
|
playHandle( SamplePlayHandle ),
|
|
m_sampleBuffer( sharedObject::ref( _sample_buffer ) ),
|
|
m_doneMayReturnTrue( true ),
|
|
m_frame( 0 ),
|
|
m_audioPort( new audioPort( "samplePlayHandle", false ) ),
|
|
m_ownAudioPort( true ),
|
|
m_defaultVolumeModel( DefaultVolume, MinVolume, MaxVolume, 1 ),
|
|
m_volumeModel( &m_defaultVolumeModel ),
|
|
m_track( NULL ),
|
|
m_bbTrack( NULL )
|
|
{
|
|
}
|
|
|
|
|
|
|
|
|
|
samplePlayHandle::samplePlayHandle( sampleTCO * _tco ) :
|
|
playHandle( SamplePlayHandle ),
|
|
m_sampleBuffer( sharedObject::ref( _tco->getSampleBuffer() ) ),
|
|
m_doneMayReturnTrue( true ),
|
|
m_frame( 0 ),
|
|
m_audioPort( ( (sampleTrack *)_tco->getTrack() )->getAudioPort() ),
|
|
m_ownAudioPort( false ),
|
|
m_defaultVolumeModel( DefaultVolume, MinVolume, MaxVolume, 1 ),
|
|
m_volumeModel( &m_defaultVolumeModel ),
|
|
m_track( _tco->getTrack() ),
|
|
m_bbTrack( NULL )
|
|
{
|
|
}
|
|
|
|
|
|
|
|
|
|
samplePlayHandle::samplePlayHandle( pattern * _pattern ) :
|
|
playHandle( SamplePlayHandle ),
|
|
m_sampleBuffer( sharedObject::ref( _pattern->getFrozenPattern() ) ),
|
|
m_doneMayReturnTrue( true ),
|
|
m_frame( 0 ),
|
|
m_audioPort( _pattern->getInstrumentTrack()->getAudioPort() ),
|
|
m_ownAudioPort( false ),
|
|
m_defaultVolumeModel( DefaultVolume, MinVolume, MaxVolume, 1 ),
|
|
m_volumeModel( &m_defaultVolumeModel ),
|
|
m_track( _pattern->getInstrumentTrack() ),
|
|
m_bbTrack( NULL )
|
|
{
|
|
}
|
|
|
|
|
|
|
|
|
|
samplePlayHandle::~samplePlayHandle()
|
|
{
|
|
sharedObject::unref( m_sampleBuffer );
|
|
if( m_ownAudioPort )
|
|
{
|
|
delete m_audioPort;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
void samplePlayHandle::play( sampleFrame * _working_buffer )
|
|
{
|
|
//play( 0, _try_parallelizing );
|
|
if( framesDone() >= totalFrames() )
|
|
{
|
|
return;
|
|
}
|
|
|
|
const fpp_t frames = engine::getMixer()->framesPerPeriod();
|
|
if( !( m_track && m_track->isMuted() )
|
|
&& !( m_bbTrack && m_bbTrack->isMuted() ) )
|
|
{
|
|
stereoVolumeVector v =
|
|
{ { m_volumeModel->value() / DefaultVolume,
|
|
m_volumeModel->value() / DefaultVolume } };
|
|
m_sampleBuffer->play( _working_buffer, &m_state, frames,
|
|
BaseFreq );
|
|
engine::getMixer()->bufferToPort( _working_buffer, frames,
|
|
offset(), v, m_audioPort );
|
|
}
|
|
|
|
m_frame += frames;
|
|
}
|
|
|
|
|
|
|
|
|
|
bool samplePlayHandle::done( void ) const
|
|
{
|
|
return( framesDone() >= totalFrames() && m_doneMayReturnTrue == true );
|
|
}
|
|
|
|
|
|
|
|
|
|
bool samplePlayHandle::isFromTrack( const track * _track ) const
|
|
{
|
|
return( m_track == _track || m_bbTrack == _track );
|
|
}
|
|
|
|
|
|
|
|
|
|
f_cnt_t samplePlayHandle::totalFrames( void ) const
|
|
{
|
|
return( ( m_sampleBuffer->endFrame() - m_sampleBuffer->startFrame() ) *
|
|
( engine::getMixer()->processingSampleRate() /
|
|
engine::getMixer()->baseSampleRate() ) );
|
|
}
|
|
|
|
|
|
|
|
|
|
#endif
|