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/*
Copyright (C) 2006 Paul Davis
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; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_track_h__
#define __ardour_track_h__
#include <boost/shared_ptr.hpp>
#include "ardour/route.h"
#include "ardour/public_diskstream.h"
namespace ARDOUR {
class Session;
class Playlist;
class RouteGroup;
class Source;
class Region;
class Diskstream;
class Track : public Route, public PublicDiskstream
{
public:
Track (Session&, std::string name, Route::Flag f = Route::Flag (0), TrackMode m = Normal, DataType default_type = DataType::AUDIO);
virtual ~Track ();
int init ();
bool set_name (const std::string& str);
TrackMode mode () const { return _mode; }
virtual int set_mode (TrackMode /*m*/) { return false; }
virtual bool can_use_mode (TrackMode /*m*/, bool& /*bounce_required*/) { return false; }
PBD::Signal0<void> TrackModeChanged;
virtual int no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
bool state_changing, bool can_record, bool rec_monitors_input);
int silent_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
bool can_record, bool rec_monitors_input, bool& need_butler);
virtual int roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
int declick, bool can_record, bool rec_monitors_input, bool& need_butler) = 0;
bool needs_butler() const { return _needs_butler; }
void toggle_monitor_input ();
virtual DataType data_type () const = 0;
bool can_record();
virtual void use_new_diskstream () = 0;
virtual void set_diskstream (boost::shared_ptr<Diskstream>);
void set_latency_compensation (framecnt_t);
enum FreezeState {
NoFreeze,
Frozen,
UnFrozen
};
FreezeState freeze_state() const;
virtual void freeze_me (InterThreadInfo&) = 0;
virtual void unfreeze () = 0;
virtual boost::shared_ptr<Region> bounce (InterThreadInfo&) = 0;
virtual boost::shared_ptr<Region> bounce_range (framepos_t start, framepos_t end, InterThreadInfo&, bool enable_processing = true) = 0;
XMLNode& get_state();
XMLNode& get_template();
virtual int set_state (const XMLNode&, int version) = 0;
static void zero_diskstream_id_in_xml (XMLNode&);
boost::shared_ptr<PBD::Controllable> rec_enable_control() { return _rec_enable_control; }
bool record_enabled() const;
void set_record_enabled (bool yn, void *src);
/* XXX: unfortunate that this is exposed */
PBD::ID const & diskstream_id () const;
void set_block_size (pframes_t);
/** @return true if the track can be bounced, or false if it cannot because
* it has more outputs than diskstream channels.
*/
virtual bool bounceable () const = 0;
/* PublicDiskstream interface */
boost::shared_ptr<Playlist> playlist ();
void monitor_input (bool);
bool destructive () const;
std::list<boost::shared_ptr<Source> > & last_capture_sources ();
void set_capture_offset ();
std::list<boost::shared_ptr<Source> > steal_write_sources();
void reset_write_sources (bool, bool force = false);
float playback_buffer_load () const;
float capture_buffer_load () const;
int do_refill ();
int do_flush (RunContext, bool force = false);
uint32_t read_data_count() const;
uint32_t write_data_count() const;
void set_pending_overwrite (bool);
int seek (framepos_t, bool complete_refill = false);
bool hidden () const;
int can_internal_playback_seek (framepos_t);
int internal_playback_seek (framepos_t);
void non_realtime_input_change ();
void non_realtime_locate (framepos_t);
void non_realtime_set_speed ();
int overwrite_existing_buffers ();
framecnt_t get_captured_frames (uint32_t n = 0) const;
int set_loop (Location *);
void transport_looped (framepos_t);
bool realtime_set_speed (double, bool);
void transport_stopped_wallclock (struct tm &, time_t, bool);
bool pending_overwrite () const;
double speed () const;
void prepare_to_stop (framepos_t);
void set_slaved (bool);
ChanCount n_channels ();
framepos_t get_capture_start_frame (uint32_t n = 0) const;
AlignStyle alignment_style () const;
AlignChoice alignment_choice () const;
framepos_t current_capture_start () const;
framepos_t current_capture_end () const;
void playlist_modified ();
int use_playlist (boost::shared_ptr<Playlist>);
void set_align_style (AlignStyle, bool force=false);
void set_align_choice (AlignChoice, bool force=false);
int use_copy_playlist ();
int use_new_playlist ();
void adjust_playback_buffering ();
void adjust_capture_buffering ();
PBD::Signal0<void> DiskstreamChanged;
PBD::Signal0<void> FreezeChange;
PBD::Signal0<void> PlaylistChanged;
PBD::Signal0<void> RecordEnableChanged;
PBD::Signal0<void> SpeedChanged;
PBD::Signal0<void> AlignmentStyleChanged;
protected:
virtual XMLNode& state (bool full) = 0;
boost::shared_ptr<Diskstream> _diskstream;
MeterPoint _saved_meter_point;
TrackMode _mode;
bool _needs_butler;
//private: (FIXME)
struct FreezeRecordProcessorInfo {
FreezeRecordProcessorInfo(XMLNode& st, boost::shared_ptr<Processor> proc)
: state (st), processor (proc) {}
XMLNode state;
boost::shared_ptr<Processor> processor;
PBD::ID id;
};
struct FreezeRecord {
FreezeRecord()
: have_mementos(false)
{}
~FreezeRecord();
boost::shared_ptr<Playlist> playlist;
std::vector<FreezeRecordProcessorInfo*> processor_info;
bool have_mementos;
FreezeState state;
};
struct RecEnableControllable : public PBD::Controllable {
RecEnableControllable (Track&);
void set_value (double);
double get_value (void) const;
Track& track;
};
virtual void set_state_part_two () = 0;
FreezeRecord _freeze_record;
XMLNode* pending_state;
bool _destructive;
void maybe_declick (BufferSet&, framecnt_t, int);
virtual bool send_silence () const;
boost::shared_ptr<RecEnableControllable> _rec_enable_control;
private:
void diskstream_playlist_changed ();
void diskstream_record_enable_changed ();
void diskstream_speed_changed ();
void diskstream_alignment_style_changed ();
};
}; /* namespace ARDOUR*/
#endif /* __ardour_track_h__ */
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