1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
/*
Copyright (C) 2009-2016 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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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.
*/
#ifndef __ardour_disk_writer_h__
#define __ardour_disk_writer_h__
#include <list>
#include <vector>
#include "pbd/i18n.h"
#include "ardour/disk_io.h"
#include "ardour/midi_buffer.h"
namespace ARDOUR
{
class AudioFileSource;
class SMFSource;
class MidiSource;
class LIBARDOUR_API DiskWriter : public DiskIOProcessor
{
public:
DiskWriter (Session&, std::string const & name, DiskIOProcessor::Flag f = DiskIOProcessor::Flag (0));
~DiskWriter ();
bool set_name (std::string const & str);
std::string display_name() const { return std::string (_("recorder")); }
virtual bool set_write_source_name (const std::string& str);
bool recordable() const { return _flags & Recordable; }
static framecnt_t chunk_frames() { return _chunk_frames; }
static framecnt_t default_chunk_frames ();
static void set_chunk_frames (framecnt_t n) { _chunk_frames = n; }
void run (BufferSet& /*bufs*/, framepos_t /*start_frame*/, framepos_t /*end_frame*/, double speed, pframes_t /*nframes*/, bool /*result_required*/);
void non_realtime_locate (framepos_t);
void realtime_handle_transport_stopped ();
virtual XMLNode& state (bool full);
int set_state (const XMLNode&, int version);
std::string write_source_name () const {
if (_write_source_name.empty()) {
return name();
} else {
return _write_source_name;
}
}
boost::shared_ptr<AudioFileSource> audio_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>();
}
boost::shared_ptr<SMFSource> midi_write_source () { return _midi_write_source; }
virtual std::string steal_write_source_name ();
int use_new_write_source (DataType, uint32_t n = 0);
void reset_write_sources (bool, bool force = false);
AlignStyle alignment_style() const { return _alignment_style; }
AlignChoice alignment_choice() const { return _alignment_choice; }
void set_align_style (AlignStyle, bool force=false);
void set_align_choice (AlignChoice a, bool force=false);
PBD::Signal0<void> AlignmentStyleChanged;
void set_input_latency (framecnt_t);
bool configure_io (ChanCount in, ChanCount out);
std::list<boost::shared_ptr<Source> >& last_capture_sources () { return _last_capture_sources; }
bool record_enabled() const { return g_atomic_int_get (const_cast<gint*>(&_record_enabled)); }
bool record_safe () const { return g_atomic_int_get (const_cast<gint*>(&_record_safe)); }
virtual void set_record_enabled (bool yn);
virtual void set_record_safe (bool yn);
bool destructive() const { return _flags & Destructive; }
int set_destructive (bool yn);
int set_non_layered (bool yn);
bool can_become_destructive (bool& requires_bounce) const;
/** @return Start position of currently-running capture (in session frames) */
framepos_t current_capture_start() const { return capture_start_frame; }
framepos_t current_capture_end() const { return capture_start_frame + capture_captured; }
framepos_t get_capture_start_frame (uint32_t n = 0) const;
framecnt_t get_captured_frames (uint32_t n = 0) const;
float buffer_load() const;
virtual void request_input_monitoring (bool) {}
virtual void ensure_input_monitoring (bool) {}
framecnt_t capture_offset() const { return _capture_offset; }
virtual void set_capture_offset ();
int seek (framepos_t frame, bool complete_refill);
static PBD::Signal0<void> Overrun;
void set_note_mode (NoteMode m);
/** 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;
PBD::Signal0<void> RecordEnableChanged;
PBD::Signal0<void> RecordSafeChanged;
void check_record_status (framepos_t transport_frame, bool can_record);
void transport_looped (framepos_t transport_frame);
void transport_stopped_wallclock (struct tm&, time_t, bool abort);
void adjust_buffering ();
protected:
friend class Track;
int do_flush (RunContext context, bool force = false);
void get_input_sources ();
void prepare_record_status (framepos_t /*capture_start_frame*/);
void set_align_style_from_io();
void setup_destructive_playlist ();
void use_destructive_playlist ();
void prepare_to_stop (framepos_t transport_pos, framepos_t audible_frame);
void engage_record_enable ();
void disengage_record_enable ();
void engage_record_safe ();
void disengage_record_safe ();
bool prep_record_enable ();
bool prep_record_disable ();
void calculate_record_range (
Evoral::OverlapType ot, framepos_t transport_frame, framecnt_t nframes,
framecnt_t& rec_nframes, framecnt_t& rec_offset
);
mutable Glib::Threads::Mutex capture_info_lock;
CaptureInfos capture_info;
private:
gint _record_enabled;
gint _record_safe;
framepos_t capture_start_frame;
framecnt_t capture_captured;
bool was_recording;
framecnt_t adjust_capture_position;
framecnt_t _capture_offset;
framepos_t first_recordable_frame;
framepos_t last_recordable_frame;
int last_possibly_recording;
AlignStyle _alignment_style;
AlignChoice _alignment_choice;
std::string _write_source_name;
boost::shared_ptr<SMFSource> _midi_write_source;
std::list<boost::shared_ptr<Source> > _last_capture_sources;
std::vector<boost::shared_ptr<AudioFileSource> > capturing_sources;
static framecnt_t _chunk_frames;
NoteMode _note_mode;
volatile gint _frames_pending_write;
volatile gint _num_captured_loops;
framepos_t _accumulated_capture_offset;
/** 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;
void finish_capture (boost::shared_ptr<ChannelList> c);
};
} // namespace
#endif /* __ardour_disk_writer_h__ */
|
