/*
- 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 <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/diskstream.h>
-#include <ardour/audioplaylist.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/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&);
~AudioDiskstream();
float playback_buffer_load() const;
float capture_buffer_load() const;
- string input_source (uint32_t n=0) const {
+ std::string input_source (uint32_t n=0) const {
boost::shared_ptr<ChannelList> c = channels.reader();
if (n < c->size()) {
return (*c)[n]->source ? (*c)[n]->source->name() : "";
} else {
- return "";
+ return "";
}
}
- Port *input_source_port (uint32_t n=0) const {
+ Port *input_source_port (uint32_t n=0) const {
boost::shared_ptr<ChannelList> c = channels.reader();
- if (n < c->size()) return (*c)[n]->source; return 0;
+ if (n < c->size()) return (*c)[n]->source; return 0;
}
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 peak_power(uint32_t n = 0) {
boost::shared_ptr<ChannelList> c = channels.reader();
ChannelInfo* chaninfo = (*c)[n];
float x = chaninfo->peak_power;
return minus_infinity();
}
}
-
+
boost::shared_ptr<AudioPlaylist> audio_playlist () { return boost::dynamic_pointer_cast<AudioPlaylist>(_playlist); }
int use_playlist (boost::shared_ptr<Playlist>);
return (*c)[n]->current_playback_buffer;
return 0;
}
-
+
Sample *capture_buffer (uint32_t n = 0) {
boost::shared_ptr<ChannelList> c = channels.reader();
if (n < c->size())
int add_channel (uint32_t how_many);
int remove_channel (uint32_t how_many);
-
+
/* stateful */
XMLNode& get_state(void);
- int set_state(const XMLNode& node);
+ int set_state(const XMLNode& node, int version);
void monitor_input (bool);
}
}
- XMLNode* deprecated_io_node;
-
- /**
- * Calculate the playback distance during varispeed playback.
- * Important for Session::process to know exactly, how many frames
- * were passed by.
- */
- static nframes_t calculate_varispeed_playback_distance(
- nframes_t nframes,
- uint64_t& the_last_phase,
- uint64_t& the_phi,
- uint64_t& the_target_phi)
- {
- // calculate playback distance in the same way
- // as in AudioDiskstream::process_varispeed_playback
- uint64_t phase = the_last_phase;
- int64_t phi_delta;
- nframes_t i = 0;
-
- const int64_t fractional_part_mask = 0xFFFFFF;
- const Sample binary_scaling_factor = 16777216.0f;
-
- if (the_phi != the_target_phi) {
- phi_delta = ((int64_t)(the_target_phi - the_phi)) / nframes;
- } else {
- phi_delta = 0;
- }
-
- Sample fractional_phase_part;
+ CubicInterpolation interpolation;
- i = 0;
- phase = the_last_phase;
-
- for (nframes_t outsample = 0; outsample < nframes; ++outsample) {
- i = phase >> 24;
- fractional_phase_part = (phase & fractional_part_mask) / binary_scaling_factor;
- phase += the_phi + phi_delta;
- }
+ XMLNode* deprecated_io_node;
- the_last_phase = (phase & fractional_part_mask);
- the_phi = the_target_phi;
- return i; // + 1;
- }
-
protected:
friend class Session;
protected:
friend class AudioTrack;
- int process (nframes_t transport_frame, nframes_t nframes, nframes_t offset, bool can_record, bool rec_monitors_input);
+ int process (nframes_t transport_frame, nframes_t nframes, bool can_record, bool rec_monitors_input, bool& need_butler);
bool commit (nframes_t nframes);
private:
- struct ChannelInfo {
-
- ChannelInfo (nframes_t buffer_size, nframes_t speed_buffer_size, nframes_t wrap_buffer_size);
- ~ChannelInfo ();
-
- Sample *playback_wrap_buffer;
- Sample *capture_wrap_buffer;
- Sample *speed_buffer;
-
- float peak_power;
-
- boost::shared_ptr<AudioFileSource> fades_source;
- boost::shared_ptr<AudioFileSource> write_source;
-
- /// the Port that our audio data comes from
- Port *source;
- Sample *current_capture_buffer;
- Sample *current_playback_buffer;
-
- RingBufferNPT<Sample> *playback_buf;
- 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;
-
- RingBufferNPT<CaptureTransition> * capture_transition_buf;
- // the following are used in the butler thread only
- nframes_t curr_capture_cnt;
+ struct ChannelInfo : public boost::noncopyable {
+
+ ChannelInfo (nframes_t playback_buffer_size,
+ nframes_t capture_buffer_size,
+ nframes_t speed_buffer_size,
+ nframes_t wrap_buffer_size);
+ ~ChannelInfo ();
+
+ Sample *playback_wrap_buffer;
+ Sample *capture_wrap_buffer;
+ Sample *speed_buffer;
+
+ float peak_power;
+
+ boost::shared_ptr<AudioFileSource> fades_source;
+ boost::shared_ptr<AudioFileSource> write_source;
+
+ /// the Port that our audio data comes from
+ Port *source;
+ Sample *current_capture_buffer;
+ Sample *current_playback_buffer;
+
+ RingBufferNPT<Sample> *playback_buf;
+ 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;
+
+ RingBufferNPT<CaptureTransition> * capture_transition_buf;
+ // the following are used in the butler thread only
+ nframes_t curr_capture_cnt;
+
+ void resize_playback (nframes_t);
+ void resize_capture (nframes_t);
};
typedef std::vector<ChannelInfo*> ChannelList;
void process_varispeed_playback(nframes_t nframes, boost::shared_ptr<ChannelList> c);
-
+
/* The two central butler operations */
- int do_flush (Session::RunContext context, bool force = false);
+ int do_flush (RunContext context, bool force = false);
int do_refill () { return _do_refill(_mixdown_buffer, _gain_buffer); }
-
+
int do_refill_with_alloc ();
int read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer,
- nframes_t& start, nframes_t cnt,
- ChannelInfo* channel_info, int channel, bool reversed);
-
+ nframes_t& start, nframes_t cnt,
+ ChannelInfo* channel_info, int channel, bool reversed);
void finish_capture (bool rec_monitors_input, boost::shared_ptr<ChannelList>);
- void transport_stopped (struct tm&, time_t, bool abort);
+ void transport_stopped_wallclock (struct tm&, time_t, bool abort);
void transport_looped (nframes_t transport_frame);
- void init (Diskstream::Flag);
+ 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 (nframes_t transport_frame, nframes_t nframes, bool can_record);
+ void prepare_record_status(nframes_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 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);