trackContentObject * bbTrack::createTCO( const MidiTime & _pos )
{
// if we're creating a new bbTCO, we colorize it according to the
// previous bbTCO, so we have to get all TCOs from 0 to _pos and
// pickup the last and take the color if it
tcoVector tcos;
getTCOsInRange( tcos, 0, _pos );
if( tcos.size() > 0 && dynamic_cast<bbTCO *>( tcos.back() ) != NULL )
{
return new bbTCO( this, dynamic_cast<bbTCO *>( tcos.back() )->color() );
}
return new bbTCO( this );
}
// play _frames frames of given TCO within starting with _start
bool bbTrack::play( const midiTime & _start, const fpp_t _frames,
const f_cnt_t _offset, Sint16 _tco_num )
{
if( isMuted() )
{
return( false );
}
if( _tco_num >= 0 )
{
return( engine::getBBTrackContainer()->play( _start, _frames,
_offset,
s_infoMap[this] ) );
}
tcoVector tcos;
getTCOsInRange( tcos, _start, _start + static_cast<int>( _frames /
engine::framesPerTick() ) );
if( tcos.size() == 0 )
{
return( false );
}
midiTime lastPosition;
midiTime lastLen;
for( tcoVector::iterator it = tcos.begin(); it != tcos.end(); ++it )
{
if( !( *it )->isMuted() &&
( *it )->startPosition() >= lastPosition )
{
lastPosition = ( *it )->startPosition();
lastLen = ( *it )->length();
}
}
if( _start - lastPosition < lastLen )
{
return( engine::getBBTrackContainer()->play( _start -
lastPosition,
_frames,
_offset,
s_infoMap[this] ) );
}
return( false );
}
bool AutomationTrack::play( const MidiTime & _start, const fpp_t _frames,
const f_cnt_t _frame_base, int _tco_num )
{
if( isMuted() )
{
return false;
}
tcoVector tcos;
if( _tco_num >= 0 )
{
TrackContentObject * tco = getTCO( _tco_num );
tcos.push_back( tco );
}
else
{
getTCOsInRange( tcos, _start, _start + static_cast<int>(
_frames / Engine::framesPerTick()) );
}
for( tcoVector::iterator it = tcos.begin(); it != tcos.end(); ++it )
{
AutomationPattern * p = dynamic_cast<AutomationPattern *>( *it );
if( p == NULL || ( *it )->isMuted() )
{
continue;
}
MidiTime cur_start = _start;
if( _tco_num < 0 )
{
cur_start -= p->startPosition();
}
p->processMidiTime( cur_start );
}
return false;
}
bool InstrumentTrack::play( const midiTime & _start,
const fpp_t _frames,
const f_cnt_t _offset,
Sint16 _tco_num )
{
const float frames_per_tick = engine::framesPerTick();
tcoVector tcos;
bbTrack * bb_track = NULL;
if( _tco_num >= 0 )
{
trackContentObject * tco = getTCO( _tco_num );
tcos.push_back( tco );
bb_track = bbTrack::findBBTrack( _tco_num );
}
else
{
getTCOsInRange( tcos, _start, _start + static_cast<int>(
_frames / frames_per_tick ) );
}
// Handle automation: detuning
for( NotePlayHandleList::Iterator it = m_processHandles.begin();
it != m_processHandles.end(); ++it )
{
( *it )->processMidiTime( _start );
}
if ( tcos.size() == 0 )
{
return false;
}
bool played_a_note = false; // will be return variable
for( tcoVector::Iterator it = tcos.begin(); it != tcos.end(); ++it )
{
pattern * p = dynamic_cast<pattern *>( *it );
// everything which is not a pattern or muted won't be played
if( p == NULL || ( *it )->isMuted() )
{
continue;
}
midiTime cur_start = _start;
if( _tco_num < 0 )
{
cur_start -= p->startPosition();
}
if( p->isFrozen() && !engine::getSong()->isExporting() )
{
if( cur_start > 0 )
{
continue;
}
samplePlayHandle * handle = new samplePlayHandle( p );
handle->setBBTrack( bb_track );
handle->setOffset( _offset );
// send it to the mixer
engine::getMixer()->addPlayHandle( handle );
played_a_note = true;
continue;
}
// get all notes from the given pattern...
const NoteVector & notes = p->notes();
// ...and set our index to zero
NoteVector::ConstIterator nit = notes.begin();
#if LMMS_SINGERBOT_SUPPORT
int note_idx = 0;
#endif
// very effective algorithm for playing notes that are
// posated within the current sample-frame
if( cur_start > 0 )
{
// skip notes which are posated before start-tact
while( nit != notes.end() && ( *nit )->pos() < cur_start )
{
#if LMMS_SINGERBOT_SUPPORT
if( ( *nit )->length() != 0 )
{
++note_idx;
}
#endif
++nit;
}
}
note * cur_note;
while( nit != notes.end() &&
( cur_note = *nit )->pos() == cur_start )
{
if( cur_note->length() != 0 )
{
const f_cnt_t note_frames =
cur_note->length().frames(
frames_per_tick );
notePlayHandle * note_play_handle =
new notePlayHandle( this, _offset,
note_frames,
*cur_note );
note_play_handle->setBBTrack( bb_track );
#if LMMS_SINGERBOT_SUPPORT
note_play_handle->setPatternIndex( note_idx );
#endif
engine::getMixer()->addPlayHandle(
note_play_handle );
played_a_note = true;
#if LMMS_SINGERBOT_SUPPORT
++note_idx;
#endif
}
++nit;
}
}
return played_a_note;
}
bool InstrumentTrack::play( const MidiTime & _start, const fpp_t _frames,
const f_cnt_t _offset, int _tco_num )
{
if( ! m_instrument || ! tryLock() )
{
return false;
}
const float frames_per_tick = Engine::framesPerTick();
tcoVector tcos;
::BBTrack * bb_track = NULL;
if( _tco_num >= 0 )
{
TrackContentObject * tco = getTCO( _tco_num );
tcos.push_back( tco );
bb_track = BBTrack::findBBTrack( _tco_num );
}
else
{
getTCOsInRange( tcos, _start, _start + static_cast<int>(
_frames / frames_per_tick ) );
}
// Handle automation: detuning
for( NotePlayHandleList::Iterator it = m_processHandles.begin();
it != m_processHandles.end(); ++it )
{
( *it )->processMidiTime( _start );
}
if ( tcos.size() == 0 )
{
unlock();
return false;
}
bool played_a_note = false; // will be return variable
for( tcoVector::Iterator it = tcos.begin(); it != tcos.end(); ++it )
{
Pattern* p = dynamic_cast<Pattern*>( *it );
// everything which is not a pattern or muted won't be played
if( p == NULL || ( *it )->isMuted() )
{
continue;
}
MidiTime cur_start = _start;
if( _tco_num < 0 )
{
cur_start -= p->startPosition();
}
// get all notes from the given pattern...
const NoteVector & notes = p->notes();
// ...and set our index to zero
NoteVector::ConstIterator nit = notes.begin();
// very effective algorithm for playing notes that are
// posated within the current sample-frame
if( cur_start > 0 )
{
// skip notes which are posated before start-tact
while( nit != notes.end() && ( *nit )->pos() < cur_start )
{
++nit;
}
}
Note * cur_note;
while( nit != notes.end() &&
( cur_note = *nit )->pos() == cur_start )
{
if( cur_note->length() != 0 )
{
const f_cnt_t note_frames =
cur_note->length().frames(
frames_per_tick );
NotePlayHandle* notePlayHandle = NotePlayHandleManager::acquire( this, _offset, note_frames, *cur_note );
notePlayHandle->setBBTrack( bb_track );
// are we playing global song?
if( _tco_num < 0 )
{
// then set song-global offset of pattern in order to
// properly perform the note detuning
notePlayHandle->setSongGlobalParentOffset( p->startPosition() );
}
Engine::mixer()->addPlayHandle( notePlayHandle );
played_a_note = true;
}
++nit;
}
}
unlock();
return played_a_note;
}