#define __ardour_export_channel_h__
#include <set>
+#include <list>
-#include <boost/signals2.hpp>
-#include <boost/shared_ptr.hpp>
#include <boost/scoped_array.hpp>
+#include <boost/shared_ptr.hpp>
#include "pbd/signals.h"
+#include "pbd/ringbuffer.h"
#include "ardour/buffer_set.h"
#include "ardour/export_pointers.h"
class CapturingProcessor;
/// Export channel base class interface for different source types
-class ExportChannel : public boost::less_than_comparable<ExportChannel>
+class LIBARDOUR_API ExportChannel : public boost::less_than_comparable<ExportChannel>
{
public:
virtual ~ExportChannel () {}
- virtual void set_max_buffer_size(framecnt_t) { }
+ virtual void set_max_buffer_size(samplecnt_t) { }
- virtual void read (Sample const *& data, framecnt_t frames) const = 0;
+ virtual void read (Sample const *& data, samplecnt_t samples) const = 0;
virtual bool empty () const = 0;
/// Adds state to node passed
};
/// Basic export channel that reads from AudioPorts
-class PortExportChannel : public ExportChannel
+class LIBARDOUR_API PortExportChannel : public ExportChannel
{
public:
- typedef std::set<AudioPort *> PortSet;
+ typedef std::set<boost::weak_ptr<AudioPort> > PortSet;
PortExportChannel ();
- void set_max_buffer_size(framecnt_t frames);
+ ~PortExportChannel ();
+
+ void set_max_buffer_size(samplecnt_t samples);
- void read (Sample const *& data, framecnt_t frames) const;
+ void read (Sample const *& data, samplecnt_t samples) const;
bool empty () const { return ports.empty(); }
void get_state (XMLNode * node) const;
bool operator< (ExportChannel const & other) const;
- void add_port (AudioPort * port) { ports.insert (port); }
+ void add_port (boost::weak_ptr<AudioPort> port) { ports.insert (port); }
PortSet const & get_ports () { return ports; }
private:
PortSet ports;
- boost::scoped_array<Sample> buffer;
- framecnt_t buffer_size;
+ samplecnt_t _buffer_size;
+ boost::scoped_array<Sample> _buffer;
+ std::list <boost::shared_ptr<PBD::RingBuffer<Sample> > > _delaylines;
};
/// Handles RegionExportChannels and does actual reading from region
-class RegionExportChannelFactory
+class LIBARDOUR_API RegionExportChannelFactory
{
public:
enum Type {
+ None,
Raw,
Fades,
Processed
~RegionExportChannelFactory ();
ExportChannelPtr create (uint32_t channel);
- void read (uint32_t channel, Sample const *& data, framecnt_t frames_to_read);
+ void read (uint32_t channel, Sample const *& data, samplecnt_t samples_to_read);
private:
- int new_cycle_started (framecnt_t) { buffers_up_to_date = false; return 0; }
- void update_buffers (framecnt_t frames);
+ int new_cycle_started (samplecnt_t) { buffers_up_to_date = false; return 0; }
+ void update_buffers (samplecnt_t samples);
AudioRegion const & region;
AudioTrack & track;
Type type;
- framecnt_t frames_per_cycle;
+ samplecnt_t samples_per_cycle;
size_t n_channels;
BufferSet buffers;
bool buffers_up_to_date;
- framecnt_t region_start;
- framecnt_t position;
+ samplecnt_t region_start;
+ samplecnt_t position;
boost::scoped_array<Sample> mixdown_buffer;
boost::scoped_array<Sample> gain_buffer;
};
/// Export channel that reads from region channel
-class RegionExportChannel : public ExportChannel
+class LIBARDOUR_API RegionExportChannel : public ExportChannel
{
friend class RegionExportChannelFactory;
public:
- void read (Sample const *& data, framecnt_t frames_to_read) const { factory.read (channel, data, frames_to_read); }
+ void read (Sample const *& data, samplecnt_t samples_to_read) const { factory.read (channel, data, samples_to_read); }
void get_state (XMLNode * /*node*/) const {};
void set_state (XMLNode * /*node*/, Session & /*session*/) {};
bool empty () const { return false; }
};
/// Export channel for exporting from different positions in a route
-class RouteExportChannel : public ExportChannel
+class LIBARDOUR_API RouteExportChannel : public ExportChannel
{
class ProcessorRemover; // fwd declaration
boost::shared_ptr<ProcessorRemover> remover);
~RouteExportChannel();
- static void create_from_route(std::list<ExportChannelPtr> & result, Route & route);
+ static void create_from_route(std::list<ExportChannelPtr> & result, boost::shared_ptr<Route> route);
public: // ExportChannel interface
- void set_max_buffer_size(framecnt_t frames);
+ void set_max_buffer_size(samplecnt_t samples);
- void read (Sample const *& data, framecnt_t frames) const;
+ void read (Sample const *& data, samplecnt_t samples) const;
bool empty () const { return false; }
void get_state (XMLNode * node) const;
// Removes the processor from the track when deleted
class ProcessorRemover {
public:
- ProcessorRemover (Route & route, boost::shared_ptr<CapturingProcessor> processor)
+ ProcessorRemover (boost::shared_ptr<Route> route, boost::shared_ptr<CapturingProcessor> processor)
: route (route), processor (processor) {}
~ProcessorRemover();
private:
- Route & route;
+ boost::shared_ptr<Route> route;
boost::shared_ptr<CapturingProcessor> processor;
};