154 lines
2.8 KiB
C++
154 lines
2.8 KiB
C++
|
|
#include "looperclip.hxx"
|
|
|
|
#include <stdio.h>
|
|
#include "config.hxx"
|
|
#include "event.hxx"
|
|
#include "eventhandler.hxx"
|
|
#include "audiobuffer.hxx"
|
|
|
|
LooperClip::LooperClip()
|
|
{
|
|
_loaded = false;
|
|
_playing = false;
|
|
_recording = false;
|
|
|
|
_buffer = 0; //new AudioBuffer(44100);
|
|
_newBufferInTransit = false;
|
|
|
|
_playhead = 0;
|
|
_recordhead = 0;
|
|
}
|
|
|
|
/// loads a sample: eg from disk, unloading current sample if necessary
|
|
void LooperClip::load( AudioBuffer* ab )
|
|
{
|
|
_loaded = true;
|
|
|
|
if ( _buffer )
|
|
{
|
|
EventDeallocateBuffer e( _buffer );
|
|
writeToGuiRingbuffer( &e );
|
|
}
|
|
|
|
_buffer = ab;
|
|
|
|
_playhead = 0;
|
|
|
|
// set the endpoint to the buffer's size
|
|
_recordhead = _buffer->getData().size();
|
|
}
|
|
|
|
void LooperClip::setRequestedBuffer( AudioBuffer* ab )
|
|
{
|
|
if ( _buffer )
|
|
{
|
|
size_t size = _buffer->getData().size();
|
|
|
|
for(size_t i = 0; i < size; i++)
|
|
{
|
|
ab->getData().at(i) = _buffer->getData().at( i );
|
|
}
|
|
|
|
EventDeallocateBuffer e( _buffer );
|
|
writeToGuiRingbuffer( &e );
|
|
}
|
|
|
|
_buffer = ab;
|
|
|
|
_newBufferInTransit = false;
|
|
}
|
|
|
|
|
|
void LooperClip::record(int count, float* L, float* R)
|
|
{
|
|
// write "count" samples into current buffer.
|
|
if ( _buffer )
|
|
{
|
|
for(int i = 0; i < count; i++)
|
|
{
|
|
_buffer->getData().at( _recordhead ) = *L++;
|
|
_recordhead++;
|
|
}
|
|
}
|
|
}
|
|
|
|
unsigned long LooperClip::recordSpaceAvailable()
|
|
{
|
|
if ( _buffer )
|
|
return _buffer->getData().size() - _recordhead;
|
|
|
|
return 0;
|
|
}
|
|
|
|
size_t LooperClip::audioBufferSize()
|
|
{
|
|
if ( _buffer )
|
|
{
|
|
return _buffer->getData().size();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void LooperClip::setBeats(int beats)
|
|
{
|
|
if ( _buffer )
|
|
{
|
|
_buffer->setBeats( beats );
|
|
}
|
|
}
|
|
|
|
int LooperClip::getBeats()
|
|
{
|
|
if ( _buffer )
|
|
return _buffer->getBeats();
|
|
|
|
return 0;
|
|
}
|
|
|
|
long LooperClip::getBufferLenght()
|
|
{
|
|
return _recordhead;
|
|
}
|
|
|
|
bool LooperClip::loaded(){return _loaded;}
|
|
void LooperClip::playing(bool p){_playing = p; _playhead = 0; }
|
|
bool LooperClip::playing(){return _playing;}
|
|
bool LooperClip::recording(){return _recording;}
|
|
void LooperClip::recording(bool r) {_recording = r;}
|
|
|
|
void LooperClip::newBufferInTransit(bool n){_newBufferInTransit = n;}
|
|
bool LooperClip::newBufferInTransit(){return _newBufferInTransit;}
|
|
|
|
float LooperClip::getSample(float playSpeed)
|
|
{
|
|
if ( _buffer )
|
|
{
|
|
if ( _playhead >= _recordhead ||
|
|
_playhead >= _buffer->getData().size() ||
|
|
_playhead < 0 )
|
|
{
|
|
_playhead = 0;
|
|
printf("looper resetting playhead\n");
|
|
}
|
|
|
|
std::vector<float>& v = _buffer->getData();
|
|
float tmp = v.at(_playhead);
|
|
_playhead += playSpeed;
|
|
|
|
return tmp;
|
|
}
|
|
|
|
return 0.f;
|
|
}
|
|
|
|
float LooperClip::getProgress()
|
|
{
|
|
if ( _buffer && _playing )
|
|
{
|
|
float p = float(_playhead) / _recordhead;
|
|
//printf("LooperClip progress %f\n", p );
|
|
return p;
|
|
}
|
|
return 0.f;
|
|
}
|