/*
- Copyright (C) 2000 Paul Davis
+ Copyright (C) 2000 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_midi_diskstream_h__
#define __ardour_midi_diskstream_h__
-#include <sigc++/signal.h>
#include <cmath>
#include <cassert>
#include <time.h>
-#include <pbd/fastlog.h>
-#include <pbd/ringbufferNPT.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/midi_playlist.h>
-#include <ardour/midi_ring_buffer.h>
+#include "pbd/fastlog.h"
+#include "pbd/ringbufferNPT.h"
+
+#include "ardour/ardour.h"
+#include "ardour/diskstream.h"
+#include "ardour/midi_playlist.h"
+#include "ardour/midi_ring_buffer.h"
+#include "ardour/utils.h"
struct tm;
namespace ARDOUR {
+class IO;
class MidiEngine;
+class MidiPort;
+class MidiRingbuffer;
+class SMFSource;
class Send;
class Session;
-class MidiPlaylist;
-class SMFSource;
-class IO;
class MidiDiskstream : public Diskstream
-{
+{
public:
MidiDiskstream (Session &, const string& name, Diskstream::Flag f = Recordable);
MidiDiskstream (Session &, const XMLNode&);
float playback_buffer_load() const;
float capture_buffer_load() const;
-
- void get_playback(MidiBuffer& dst, nframes_t start, nframes_t end);
+
+ void get_playback (MidiBuffer& dst, framecnt_t);
+ void flush_playback (framepos_t, framepos_t);
void set_record_enabled (bool yn);
+
+ void reset_tracker ();
boost::shared_ptr<MidiPlaylist> midi_playlist () { return boost::dynamic_pointer_cast<MidiPlaylist>(_playlist); }
int use_new_playlist ();
int use_copy_playlist ();
+ bool set_name (std::string const &);
+
/* stateful */
XMLNode& get_state(void);
- int set_state(const XMLNode& node);
+ int set_state(const XMLNode&, int version);
- void monitor_input (bool);
+ void ensure_jack_monitors_input (bool);
+
+ boost::shared_ptr<SMFSource> write_source () { return _write_source; }
- boost::shared_ptr<SMFSource> write_source () { return _write_source; }
-
int set_destructive (bool yn); // doom!
-
+
void set_note_mode (NoteMode m);
-
- uint16_t get_channel_mask() {
- uint16_t playback_mask = _playback_buf->get_channel_mask();
-#ifndef NDEBUG
- uint16_t capture_mask = _capture_buf->get_channel_mask();
- assert(playback_mask == capture_mask);
-#endif
- return playback_mask;
- }
-
- void set_channel_mode(ChannelMode mode, uint16_t mask) {
- _playback_buf->set_channel_mode(mode, mask);
- _capture_buf->set_channel_mode(mode, mask);
- }
-
- ChannelMode get_channel_mode() {
- ChannelMode playback_mode = _playback_buf->get_channel_mode();
-#ifndef NDEBUG
- ChannelMode capture_mode = _capture_buf->get_channel_mode();
- assert(playback_mode == capture_mode);
-#endif
- return playback_mode;
- }
+
+ /** Emitted when some MIDI data has been received for recording.
+ * Parameter is the source that it is destined for.
+ * A caller can get a copy of the data with get_gui_feed_buffer ()
+ */
+ PBD::Signal1<void, boost::weak_ptr<MidiSource> > DataRecorded;
+
+ boost::shared_ptr<MidiBuffer> get_gui_feed_buffer () const;
protected:
friend class Session;
+ friend class Butler;
/* the Session is the only point of access for these
because they require that the Session is "inactive"
void set_pending_overwrite(bool);
int overwrite_existing_buffers ();
- 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 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 (nframes_t location);
+ void non_realtime_locate (framepos_t location);
+
+ static void set_readahead_frames (framecnt_t frames_ahead) { midi_readahead = frames_ahead; }
protected:
- int seek (nframes_t which_sample, bool complete_refill = false);
+ int seek (framepos_t which_sample, bool complete_refill = false);
protected:
friend class MidiTrack;
- int process (nframes_t transport_frame, nframes_t nframes, nframes_t offset, bool can_record, bool rec_monitors_input);
- bool commit (nframes_t nframes);
+ int process (BufferSet&, framepos_t transport_frame, pframes_t nframes, framecnt_t &, bool need_diskstream);
+ frameoffset_t calculate_playback_distance (pframes_t nframes);
+ bool commit (framecnt_t nframes);
+ static framecnt_t midi_readahead;
private:
/* 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 ();
-
+
int do_refill_with_alloc();
- int read (nframes_t& start, nframes_t cnt, bool reversed);
+ int read (framepos_t& start, framecnt_t cnt, bool reversed);
- void finish_capture (bool rec_monitors_input);
- void transport_stopped (struct tm&, time_t, bool abort);
- void transport_looped (nframes_t transport_frame);
+ void finish_capture ();
+ void transport_stopped_wallclock (struct tm&, time_t, bool abort);
+ void transport_looped (framepos_t transport_frame);
- void init (Diskstream::Flag);
+ void init ();
int use_new_write_source (uint32_t n=0);
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 set_align_style_from_io();
-
- void engage_record_enable ();
- void disengage_record_enable ();
-
- MidiRingBuffer* _playback_buf;
- MidiRingBuffer* _capture_buf;
- MidiPort* _source_port;
- boost::shared_ptr<SMFSource> _write_source;
- nframes_t _last_flush_frame;
- NoteMode _note_mode;
+
+ /* fixed size buffers per instance of ardour for now (non-dynamic)
+ */
+
+ void adjust_playback_buffering () {}
+ void adjust_capture_buffering () {}
+
+ bool prep_record_enable ();
+ bool prep_record_disable ();
+
+ MidiRingBuffer<framepos_t>* _playback_buf;
+ MidiRingBuffer<framepos_t>* _capture_buf;
+ boost::weak_ptr<MidiPort> _source_port;
+ boost::shared_ptr<SMFSource> _write_source;
+ NoteMode _note_mode;
+ gint _frames_written_to_ringbuffer;
+ gint _frames_read_from_ringbuffer;
+ volatile gint _frames_pending_write;
+ volatile gint _num_captured_loops;
+
+ /** A buffer that we use to put newly-arrived MIDI data in for
+ the GUI to read (so that it can update itself).
+ */
+ MidiBuffer _gui_feed_buffer;
+ mutable Glib::Threads::Mutex _gui_feed_buffer_mutex;
};
}; /* namespace ARDOUR */
projects / ardour.git / blobdiff