/*
- 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_audio_diskstream_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 <ardour/port.h>
struct tm;
public:
AudioDiskstream (Session &, const string& name, Diskstream::Flag f = Recordable);
AudioDiskstream (Session &, const XMLNode&);
-
- 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_align_style (AlignStyle);
- //void set_persistent_align_style (AlignStyle);
-
string input_source (uint32_t n=0) const {
- if (n < channels.size()) {
- return channels[n].source ? channels[n].source->name() : "";
+ boost::shared_ptr<ChannelList> c = channels.reader();
+ if (n < c->size()) {
+ return (*c)[n]->source ? (*c)[n]->source->name() : "";
} else {
return "";
}
}
Port *input_source_port (uint32_t n=0) const {
- if (n < channels.size()) return channels[n].source; return 0;
+ boost::shared_ptr<ChannelList> c = channels.reader();
+ if (n < c->size()) return (*c)[n]->source; return 0;
}
- void set_record_enabled (bool yn, void *src);
- //void set_speed (double);
+ void set_record_enabled (bool yn);
+ int set_destructive (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 {
return minus_infinity();
}
}
+
+ boost::shared_ptr<AudioPlaylist> audio_playlist () { return boost::dynamic_pointer_cast<AudioPlaylist>(_playlist); }
- int use_playlist (Playlist *);
+ int use_playlist (boost::shared_ptr<Playlist>);
int use_new_playlist ();
int use_copy_playlist ();
- void start_scrub (jack_nframes_t where) {} // FIXME?
- void end_scrub () {} // FIXME?
-
- Playlist *playlist () { return _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);
/* stateful */
XMLNode& get_state(void);
- int set_state(const XMLNode& node);
+ int set_state(const XMLNode& node);
void monitor_input (bool);
- // FIXME: these don't belong here
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, nframes_t n) {
while (n--) {
Sample tmp = *first;
*first++ = *last;
}
}
- //void handle_input_change (IOChange, void *src);
-
- //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;
-
- int set_loop (Location *loc);
- sigc::signal<void,Location *> LoopSet;
+ XMLNode* deprecated_io_node;
- std::list<Region*>& last_capture_regions () {
- return _last_capture_regions;
- }
+ /**
+ * 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;
+ }
- void handle_input_change (IOChange, void *src);
+ Sample fractional_phase_part;
- const PBD::ID& id() const { return _id; }
+ i = 0;
+ phase = the_last_phase;
- XMLNode* deprecated_io_node;
+ 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;
+ }
+ the_last_phase = (phase & fractional_part_mask);
+ the_phi = the_target_phi;
+ return i; // + 1;
+ }
+
protected:
friend class Session;
void set_pending_overwrite(bool);
int overwrite_existing_buffers ();
- void reverse_scrub_buffer (bool to_forward) {} // FIXME?
- void set_block_size (jack_nframes_t);
- int internal_playback_seek (jack_nframes_t distance);
- int can_internal_playback_seek (jack_nframes_t distance);
+ void set_block_size (nframes_t);
+ int internal_playback_seek (nframes_t distance);
+ int can_internal_playback_seek (nframes_t distance);
int rename_write_sources ();
void reset_write_sources (bool, bool force = false);
void non_realtime_input_change ();
+ void non_realtime_locate (nframes_t location);
protected:
friend class Auditioner;
- int seek (jack_nframes_t which_sample, bool complete_refill = false);
+ int seek (nframes_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 (nframes_t transport_frame, nframes_t nframes, nframes_t offset, bool can_record, bool rec_monitors_input);
+ bool commit (nframes_t nframes);
private:
- /* use unref() to destroy a diskstream */
- ~AudioDiskstream();
-
struct ChannelInfo {
-
- Sample *playback_wrap_buffer;
- Sample *capture_wrap_buffer;
- Sample *speed_buffer;
-
- float peak_power;
-
- AudioFileSource *fades_source;
- AudioFileSource *write_source;
-
- 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
- jack_nframes_t curr_capture_cnt;
+
+ 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;
};
- typedef vector<ChannelInfo> ChannelList;
-
- /* the two central butler operations */
+ typedef std::vector<ChannelInfo*> ChannelList;
- int do_flush (char * workbuf, bool force = false);
- int do_refill (Sample *mixdown_buffer, float *gain_buffer, char *workbuf);
+ void process_varispeed_playback(nframes_t nframes, boost::shared_ptr<ChannelList> c);
- virtual int non_realtime_do_refill() { return do_refill(0, 0, 0); }
-
- 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);
+ /* The two central butler operations */
+ int do_flush (RunContext context, bool force = false);
+ int do_refill () { return _do_refill(_mixdown_buffer, _gain_buffer); }
+
+ int do_refill_with_alloc ();
- /* XXX fix this redundancy ... */
+ int read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer,
+ nframes_t& start, nframes_t cnt,
+ ChannelInfo* channel_info, int channel, bool reversed);
- //void playlist_changed (Change);
- //void playlist_modified ();
- void playlist_deleted (Playlist*);
- void session_controls_changed (Session::ControlType) {} // FIXME?
- void finish_capture (bool rec_monitors_input);
- void clean_up_capture (struct tm&, time_t, bool abort) {} // FIXME?
+ void finish_capture (bool rec_monitors_input, boost::shared_ptr<ChannelList>);
void transport_stopped (struct tm&, time_t, bool abort);
+ void transport_looped (nframes_t transport_frame);
- struct CaptureInfo {
- uint32_t start;
- uint32_t frames;
- };
-
- vector<CaptureInfo*> capture_info;
- Glib::Mutex capture_info_lock;
-
void init (Diskstream::Flag);
void init_channel (ChannelInfo &chan);
void destroy_channel (ChannelInfo &chan);
int use_new_write_source (uint32_t n=0);
- int use_new_fade_source (uint32_t n=0) { return 0; } // FIXME?
int find_and_use_playlist (const string&);
void allocate_temporary_buffers ();
- int create_input_port () { return 0; } // FIXME?
- int connect_input_port () { return 0; } // FIXME?
- int seek_unlocked (jack_nframes_t which_sample) { return 0; } // FIXME?
-
- int ports_created () { return 0; } // FIXME?
-
- //bool realtime_set_speed (double, bool global_change);
- void non_realtime_set_speed ();
-
- 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 check_record_status (nframes_t transport_frame, nframes_t nframes, bool can_record);
void set_align_style_from_io();
void setup_destructive_playlist ();
void use_destructive_playlist ();
- ChannelList channels;
- AudioPlaylist* _playlist;
- void engage_record_enable (void* src);
- void disengage_record_enable (void* src);
+ 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_audio_diskstream_h__ */
projects / ardour.git / blobdiff