/*
- Copyright (C) 2000 Paul Davis
+ Copyright (C) 2000-2006 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
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.
-
- $Id: diskstream.h 579 2006-06-12 19:56:37Z essej $
*/
-#ifndef __ardour_diskstream_h__
-#define __ardour_diskstream_h__
+#ifndef __ardour_audio_diskstream_h__
+#define __ardour_audio_diskstream_h__
-#include <sigc++/signal.h>
#include <cmath>
#include <string>
#include <time.h>
-#include <pbd/fastlog.h>
-#include <pbd/ringbufferNPT.h>
-#include <pbd/stateful.h>
+#include <boost/utility.hpp>
+
+#include "pbd/fastlog.h"
+#include "pbd/ringbufferNPT.h"
+#include "pbd/stateful.h"
+#include "pbd/rcu.h"
-#include <ardour/ardour.h>
-#include <ardour/configuration.h>
-#include <ardour/session.h>
-#include <ardour/route_group.h>
-#include <ardour/route.h>
-#include <ardour/port.h>
-#include <ardour/utils.h>
+#include "ardour/ardour.h"
+#include "ardour/utils.h"
+#include "ardour/diskstream.h"
+#include "ardour/audioplaylist.h"
+#include "ardour/port.h"
+#include "ardour/interpolation.h"
struct tm;
class AudioFileSource;
class IO;
-class AudioDiskstream : public Stateful, public sigc::trackable
-{
+class AudioDiskstream : public Diskstream
+{
public:
- enum Flag {
- Recordable = 0x1,
- Hidden = 0x2,
- Destructive = 0x4
- };
-
- AudioDiskstream (Session &, const string& name, Flag f = Recordable);
+ AudioDiskstream (Session &, const std::string& name, Diskstream::Flag f = Recordable);
AudioDiskstream (Session &, const XMLNode&);
-
- string name() const { return _name; }
-
- ARDOUR::IO* io() const { return _io; }
- void set_io (ARDOUR::IO& io);
-
- AudioDiskstream& ref() { _refcnt++; return *this; }
- void unref() { if (_refcnt) _refcnt--; if (_refcnt == 0) delete this; }
- uint32_t refcnt() const { return _refcnt; }
+ ~AudioDiskstream();
float playback_buffer_load() const;
float capture_buffer_load() const;
- void set_flag (Flag f) {
- _flags |= f;
- }
-
- void unset_flag (Flag f) {
- _flags &= ~f;
- }
-
- AlignStyle alignment_style() const { return _alignment_style; }
- void set_align_style (AlignStyle);
- void set_persistent_align_style (AlignStyle);
-
- bool hidden() const { return _flags & Hidden; }
- bool recordable() const { return _flags & Recordable; }
- bool destructive() const { return _flags & Destructive; }
-
- void set_destructive (bool yn);
-
- jack_nframes_t roll_delay() const { return _roll_delay; }
- void set_roll_delay (jack_nframes_t);
-
- int set_name (string str, void* src);
-
- string input_source (uint32_t n=0) const {
- if (n < channels.size()) {
- return channels[n].source ? channels[n].source->name() : "";
+ std::string input_source (uint32_t n=0) const {
+ boost::shared_ptr<ChannelList> c = channels.reader();
+ if (n < c->size()) {
+ return (*c)[n]->source.name;
} else {
- return "";
+ return "";
}
}
- Port *input_source_port (uint32_t n=0) const {
- if (n < channels.size()) return channels[n].source; return 0;
- }
-
- void set_record_enabled (bool yn, void *src);
- bool record_enabled() const { return g_atomic_int_get (&_record_enabled); }
- void punch_in ();
- void punch_out ();
-
- bool reversed() const { return _actual_speed < 0.0f; }
- double speed() const { return _visible_speed; }
- void set_speed (double);
+ void set_record_enabled (bool yn);
+ int set_destructive (bool yn);
+ int set_non_layered (bool yn);
+ bool can_become_destructive (bool& requires_bounce) const;
- float peak_power(uint32_t n=0) {
- float x = channels[n].peak_power;
- channels[n].peak_power = 0.0f;
+ float peak_power(uint32_t n = 0) {
+ boost::shared_ptr<ChannelList> c = channels.reader();
+ ChannelInfo* chaninfo = (*c)[n];
+ float x = chaninfo->peak_power;
+ chaninfo->peak_power = 0.0f;
if (x > 0.0f) {
return 20.0f * fast_log10(x);
} else {
}
}
- int use_playlist (AudioPlaylist *);
+ boost::shared_ptr<AudioPlaylist> audio_playlist () { return boost::dynamic_pointer_cast<AudioPlaylist>(_playlist); }
+
+ int use_playlist (boost::shared_ptr<Playlist>);
int use_new_playlist ();
int use_copy_playlist ();
- void start_scrub (jack_nframes_t where);
- void end_scrub ();
-
- Sample *playback_buffer (uint32_t n=0) {
- if (n < channels.size())
- return channels[n].current_playback_buffer;
- return 0;
- }
-
- Sample *capture_buffer (uint32_t n=0) {
- if (n < channels.size())
- return channels[n].current_capture_buffer;
+ Sample *playback_buffer (uint32_t n = 0) {
+ boost::shared_ptr<ChannelList> c = channels.reader();
+ if (n < c->size())
+ return (*c)[n]->current_playback_buffer;
return 0;
}
- AudioPlaylist *playlist () { return _playlist; }
-
- AudioFileSource *write_source (uint32_t n=0) {
- if (n < channels.size())
- return channels[n].write_source;
+ Sample *capture_buffer (uint32_t n = 0) {
+ boost::shared_ptr<ChannelList> c = channels.reader();
+ if (n < c->size())
+ return (*c)[n]->current_capture_buffer;
return 0;
}
- jack_nframes_t current_capture_start() const { return capture_start_frame; }
- jack_nframes_t current_capture_end() const { return capture_start_frame + capture_captured; }
- jack_nframes_t get_capture_start_frame (uint32_t n=0);
- jack_nframes_t get_captured_frames (uint32_t n=0);
-
- uint32_t n_channels() { return _n_channels; }
-
- int add_channel ();
- int remove_channel ();
-
- static void set_disk_io_chunk_frames (uint32_t n) {
- disk_io_chunk_frames = n;
+ boost::shared_ptr<AudioFileSource> write_source (uint32_t n=0) {
+ boost::shared_ptr<ChannelList> c = channels.reader();
+ if (n < c->size())
+ return (*c)[n]->write_source;
+ return boost::shared_ptr<AudioFileSource>();
}
- static jack_nframes_t disk_io_frames() { return disk_io_chunk_frames; }
-
- sigc::signal<void,void*> record_enable_changed;
- sigc::signal<void> speed_changed;
- sigc::signal<void,void*> reverse_changed;
- sigc::signal<void> PlaylistChanged;
- sigc::signal<void> AlignmentStyleChanged;
+ int add_channel (uint32_t how_many);
+ int remove_channel (uint32_t how_many);
- static sigc::signal<void> DiskOverrun;
- static sigc::signal<void> DiskUnderrun;
- static sigc::signal<void,AudioDiskstream*> AudioDiskstreamCreated; // XXX use a ref with sigc2
- static sigc::signal<void,list<AudioFileSource*>*> DeleteSources;
+ bool set_name (std::string const &);
/* stateful */
XMLNode& get_state(void);
- int set_state(const XMLNode& node);
+ int set_state(const XMLNode& node, int version);
void monitor_input (bool);
- jack_nframes_t capture_offset() const { return _capture_offset; }
- void set_capture_offset ();
-
static void swap_by_ptr (Sample *first, Sample *last) {
while (first < last) {
Sample tmp = *first;
}
}
- static void swap_by_ptr (Sample *first, Sample *last, jack_nframes_t n) {
+ static void swap_by_ptr (Sample *first, Sample *last, framecnt_t n) {
while (n--) {
Sample tmp = *first;
*first++ = *last;
}
}
- bool slaved() const { return _slaved; }
- void set_slaved(bool yn) { _slaved = yn; }
-
- int set_loop (Location *loc);
- sigc::signal<void,Location *> LoopSet;
-
- std::list<Region*>& last_capture_regions () {
- return _last_capture_regions;
- }
-
- void handle_input_change (IOChange, void *src);
-
- const PBD::ID& id() const { return _id; }
-
- XMLNode* deprecated_io_node;
+ CubicInterpolation interpolation;
protected:
friend class Session;
while they are called.
*/
- void set_pending_overwrite (bool);
+ void set_pending_overwrite(bool);
int overwrite_existing_buffers ();
- void reverse_scrub_buffer (bool to_forward);
- void set_block_size (jack_nframes_t);
- int internal_playback_seek (jack_nframes_t distance);
- int can_internal_playback_seek (jack_nframes_t distance);
- int rename_write_sources ();
+ void set_block_size (pframes_t);
+ int internal_playback_seek (framecnt_t distance);
+ int can_internal_playback_seek (framecnt_t distance);
+ std::list<boost::shared_ptr<Source> > steal_write_sources();
void reset_write_sources (bool, bool force = false);
void non_realtime_input_change ();
-
- uint32_t read_data_count() const { return _read_data_count; }
- uint32_t write_data_count() const { return _write_data_count; }
+ void non_realtime_locate (framepos_t location);
protected:
friend class Auditioner;
- int seek (jack_nframes_t which_sample, bool complete_refill = false);
+ int seek (framepos_t which_sample, bool complete_refill = false);
protected:
friend class AudioTrack;
- void prepare ();
- int process (jack_nframes_t transport_frame, jack_nframes_t nframes, jack_nframes_t offset, bool can_record, bool rec_monitors_input);
- bool commit (jack_nframes_t nframes);
- void recover (); /* called if commit will not be called, but process was */
+ int process (framepos_t transport_frame, pframes_t nframes, bool& need_butler);
+ bool commit (framecnt_t nframes);
private:
+ struct ChannelSource {
+ std::string name;
- /* use unref() to destroy a diskstream */
-
- ~AudioDiskstream();
-
- enum TransitionType {
- CaptureStart = 0,
- CaptureEnd
+ bool is_physical () const;
+ void ensure_monitor_input (bool) const;
};
-
- struct CaptureTransition {
- TransitionType type;
- // the start or end file frame pos
- jack_nframes_t capture_val;
- };
-
- struct ChannelInfo {
+ struct ChannelInfo : public boost::noncopyable {
+
+ ChannelInfo (framecnt_t playback_buffer_size,
+ framecnt_t capture_buffer_size,
+ framecnt_t speed_buffer_size,
+ framecnt_t wrap_buffer_size);
+ ~ChannelInfo ();
Sample *playback_wrap_buffer;
Sample *capture_wrap_buffer;
Sample *speed_buffer;
- float peak_power;
+ float peak_power;
+
+ boost::shared_ptr<AudioFileSource> write_source;
- AudioFileSource *fades_source;
- AudioFileSource *write_source;
+ /// information the Port that our audio data comes from
+
+ ChannelSource source;
- Port *source;
Sample *current_capture_buffer;
Sample *current_playback_buffer;
- RingBufferNPT<Sample> *playback_buf;
- RingBufferNPT<Sample> *capture_buf;
+ PBD::RingBufferNPT<Sample> *playback_buf;
+ PBD::RingBufferNPT<Sample> *capture_buf;
Sample* scrub_buffer;
Sample* scrub_forward_buffer;
Sample* scrub_reverse_buffer;
- RingBufferNPT<Sample>::rw_vector playback_vector;
- RingBufferNPT<Sample>::rw_vector capture_vector;
+ PBD::RingBufferNPT<Sample>::rw_vector playback_vector;
+ PBD::RingBufferNPT<Sample>::rw_vector capture_vector;
- RingBufferNPT<CaptureTransition> * capture_transition_buf;
+ PBD::RingBufferNPT<CaptureTransition> * capture_transition_buf;
// the following are used in the butler thread only
- jack_nframes_t curr_capture_cnt;
- };
+ framecnt_t curr_capture_cnt;
- typedef vector<ChannelInfo> ChannelList;
-
-
- string _name;
- ARDOUR::Session& _session;
- ARDOUR::IO* _io;
- ChannelList channels;
- uint32_t _n_channels;
- PBD::ID _id;
-
- mutable gint _record_enabled;
- AudioPlaylist* _playlist;
- double _visible_speed;
- double _actual_speed;
- /* items needed for speed change logic */
- bool _buffer_reallocation_required;
- bool _seek_required;
-
- bool force_refill;
- jack_nframes_t capture_start_frame;
- jack_nframes_t capture_captured;
- bool was_recording;
- jack_nframes_t adjust_capture_position;
- jack_nframes_t _capture_offset;
- jack_nframes_t _roll_delay;
- jack_nframes_t first_recordable_frame;
- jack_nframes_t last_recordable_frame;
- int last_possibly_recording;
- AlignStyle _alignment_style;
- bool _scrubbing;
- bool _slaved;
- bool _processed;
- Location* loop_location;
- jack_nframes_t overwrite_frame;
- off_t overwrite_offset;
- bool pending_overwrite;
- bool overwrite_queued;
- IOChange input_change_pending;
- jack_nframes_t wrap_buffer_size;
- jack_nframes_t speed_buffer_size;
-
- uint64_t last_phase;
- uint64_t phi;
-
- jack_nframes_t file_frame;
- jack_nframes_t playback_sample;
- jack_nframes_t playback_distance;
-
- uint32_t _read_data_count;
- uint32_t _write_data_count;
-
- bool in_set_state;
- AlignStyle _persistent_alignment_style;
- bool first_input_change;
-
- Glib::Mutex state_lock;
-
- jack_nframes_t scrub_start;
- jack_nframes_t scrub_buffer_size;
- jack_nframes_t scrub_offset;
- uint32_t _refcnt;
-
- sigc::connection ports_created_c;
- sigc::connection plmod_connection;
- sigc::connection plstate_connection;
- sigc::connection plgone_connection;
-
- /* the two central butler operations */
-
- int do_flush (char * workbuf, bool force = false);
- int do_refill (Sample *mixdown_buffer, float *gain_buffer, char *workbuf);
-
- int read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer, char * workbuf, jack_nframes_t& start, jack_nframes_t cnt,
- ChannelInfo& channel_info, int channel, bool reversed);
-
- uint32_t i_am_the_modifier;
-
- /* XXX fix this redundancy ... */
-
- void playlist_changed (Change);
- void playlist_modified ();
- void playlist_deleted (Playlist*);
- void session_controls_changed (Session::ControlType);
-
- void finish_capture (bool rec_monitors_input);
- void clean_up_capture (struct tm&, time_t, bool abort);
- void transport_stopped (struct tm&, time_t, bool abort);
-
- struct CaptureInfo {
- uint32_t start;
- uint32_t frames;
+ void resize_playback (framecnt_t);
+ void resize_capture (framecnt_t);
};
- vector<CaptureInfo*> capture_info;
- Glib::Mutex capture_info_lock;
-
- void init (Flag);
+ typedef std::vector<ChannelInfo*> ChannelList;
- void init_channel (ChannelInfo &chan);
- void destroy_channel (ChannelInfo &chan);
-
- static jack_nframes_t disk_io_chunk_frames;
+ void process_varispeed_playback (pframes_t nframes, boost::shared_ptr<ChannelList> c);
- int use_new_write_source (uint32_t n=0);
- int use_new_fade_source (uint32_t n=0);
+ /* The two central butler operations */
+ int do_flush (RunContext context, bool force = false);
+ int do_refill () { return _do_refill(_mixdown_buffer, _gain_buffer); }
- int find_and_use_playlist (const string&);
+ int do_refill_with_alloc ();
- void allocate_temporary_buffers ();
+ int read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer,
+ framepos_t& start, framecnt_t cnt,
+ ChannelInfo* channel_info, int channel, bool reversed);
+
+ void finish_capture (boost::shared_ptr<ChannelList>);
+ void transport_stopped_wallclock (struct tm&, time_t, bool abort);
+ void transport_looped (framepos_t transport_frame);
- unsigned char _flags;
+ void init ();
- int create_input_port ();
- int connect_input_port ();
- int seek_unlocked (jack_nframes_t which_sample);
+ void init_channel (ChannelInfo &chan);
+ void destroy_channel (ChannelInfo &chan);
+
+ int use_new_write_source (uint32_t n=0);
- int ports_created ();
+ int find_and_use_playlist (const std::string &);
- bool realtime_set_speed (double, bool global_change);
- void non_realtime_set_speed ();
+ void allocate_temporary_buffers ();
- std::list<Region*> _last_capture_regions;
- std::vector<AudioFileSource*> capturing_sources;
int use_pending_capture_data (XMLNode& node);
void get_input_sources ();
- void check_record_status (jack_nframes_t transport_frame, jack_nframes_t nframes, bool can_record);
+ void prepare_record_status(framepos_t capture_start_frame);
void set_align_style_from_io();
void setup_destructive_playlist ();
void use_destructive_playlist ();
+
+ void adjust_playback_buffering ();
+ void adjust_capture_buffering ();
+
+ void engage_record_enable ();
+ void disengage_record_enable ();
+
+ // Working buffers for do_refill (butler thread)
+ static void allocate_working_buffers();
+ static void free_working_buffers();
+
+ static size_t _working_buffers_size;
+ static Sample* _mixdown_buffer;
+ static gain_t* _gain_buffer;
+
+ std::vector<boost::shared_ptr<AudioFileSource> > capturing_sources;
+
+ SerializedRCUManager<ChannelList> channels;
+
+ /* really */
+ private:
+ int _do_refill (Sample *mixdown_buffer, float *gain_buffer);
+
+ int add_channel_to (boost::shared_ptr<ChannelList>, uint32_t how_many);
+ int remove_channel_from (boost::shared_ptr<ChannelList>, uint32_t how_many);
+
};
-}; /* namespace ARDOUR */
+} // namespace ARDOUR
-#endif /* __ardour_diskstream_h__ */
+#endif /* __ardour_audio_diskstream_h__ */