/*
- Copyright (C) 2000-2006 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
#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 <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/diskstream.h>
-#include <ardour/audioplaylist.h>
+#include "pbd/fastlog.h"
+#include "pbd/ringbufferNPT.h"
+#include "pbd/stateful.h"
+#include "pbd/rcu.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 IO;
class AudioDiskstream : public Diskstream
-{
+{
public:
- AudioDiskstream (Session &, const string& name, Diskstream::Flag f = Recordable);
+ AudioDiskstream (Session &, const std::string& name, Diskstream::Flag f = Recordable);
AudioDiskstream (Session &, const XMLNode&);
-
- const PBD::ID& id() const { return _id; }
-
- // FIXME
- AudioDiskstream& ref() { _refcnt++; return *this; }
+ ~AudioDiskstream();
float playback_buffer_load() const;
float capture_buffer_load() const;
- 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);
-
- float peak_power(uint32_t n=0) {
- float x = channels[n].peak_power;
- channels[n].peak_power = 0.0f;
+ 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) {
+ 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 {
return minus_infinity();
}
}
-
- AudioPlaylist* audio_playlist () { return dynamic_cast<AudioPlaylist*>(_playlist); }
- int use_playlist (Playlist *);
+ 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 ();
- Sample *playback_buffer (uint32_t n=0) {
- if (n < channels.size())
- return channels[n].current_playback_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;
}
-
- Sample *capture_buffer (uint32_t n=0) {
- if (n < channels.size())
- return channels[n].current_capture_buffer;
+
+ 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;
}
- AudioFileSource *write_source (uint32_t n=0) {
- if (n < channels.size())
- return channels[n].write_source;
- return 0;
+ 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>();
}
- int add_channel ();
- int remove_channel ();
-
-
+ int add_channel (uint32_t how_many);
+ int remove_channel (uint32_t how_many);
+
+ 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);
}
}
- 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;
}
}
- std::list<Region*>& last_capture_regions () { return _last_capture_regions; }
-
- XMLNode* deprecated_io_node;
+ CubicInterpolation interpolation;
protected:
friend class Session;
void set_pending_overwrite(bool);
int overwrite_existing_buffers ();
- 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 ();
+ 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;
- 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);
+ 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();
+ bool is_physical () const;
+ void ensure_monitor_input (bool) const;
+ };
- 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;
float peak_power;
- AudioFileSource *fades_source;
- AudioFileSource *write_source;
+ boost::shared_ptr<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;
+
+ void resize_playback (framecnt_t);
+ void resize_capture (framecnt_t);
};
+ typedef std::vector<ChannelInfo*> ChannelList;
+
+ void process_varispeed_playback (pframes_t nframes, boost::shared_ptr<ChannelList> c);
+
/* The two central butler operations */
- int do_flush (Session::RunContext context, bool force = false);
- int do_refill () { return _do_refill(_mixdown_buffer, _gain_buffer, _conversion_buffer); }
-
- int do_refill_with_alloc();
+ int do_flush (RunContext context, bool force = false);
+ int do_refill () { return _do_refill(_mixdown_buffer, _gain_buffer); }
- 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);
+ int do_refill_with_alloc ();
- void finish_capture (bool rec_monitors_input);
- void transport_stopped (struct tm&, time_t, bool abort);
+ int read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer,
+ framepos_t& start, framecnt_t cnt,
+ ChannelInfo* channel_info, int channel, bool reversed);
- void init (Diskstream::Flag);
+ void finish_capture (boost::shared_ptr<ChannelList>);
+ void transport_stopped_wallclock (struct tm&, time_t, bool abort);
+ void transport_looped (framepos_t transport_frame);
+
+ void init ();
void init_channel (ChannelInfo &chan);
void destroy_channel (ChannelInfo &chan);
-
+
int use_new_write_source (uint32_t n=0);
- int find_and_use_playlist (const string&);
+ int find_and_use_playlist (const std::string &);
void allocate_temporary_buffers ();
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 ();
static size_t _working_buffers_size;
static Sample* _mixdown_buffer;
static gain_t* _gain_buffer;
- static char* _conversion_buffer;
-
- // Uh, /really/ private? (death to friend classes)
- int _do_refill (Sample *mixdown_buffer, float *gain_buffer, char *workbuf);
-
-
- std::vector<AudioFileSource*> capturing_sources;
-
- typedef vector<ChannelInfo> ChannelList;
- ChannelList channels;
+
+ 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