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
|
/*
Copyright (C) 2008 Paul Davis
Author: Sakari Bergen
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_export_handler_h__
#define __ardour_export_handler_h__
#include <map>
#include <list>
#include <fstream>
#include <boost/shared_ptr.hpp>
#include "ardour/ardour.h"
#include "ardour/session.h"
#include "ardour/types.h"
namespace AudioGrapher {
class BroadcastInfo;
}
namespace ARDOUR
{
class ExportTimespan;
class ExportChannelConfiguration;
class ExportFormatSpecification;
class ExportFilename;
class ExportGraphBuilder;
class ExportElementFactory
{
public:
typedef boost::shared_ptr<ExportTimespan> TimespanPtr;
typedef boost::shared_ptr<ExportChannelConfiguration> ChannelConfigPtr;
typedef boost::shared_ptr<ExportFormatSpecification> FormatPtr;
typedef boost::shared_ptr<ExportFilename> FilenamePtr;
public:
ExportElementFactory (Session & session);
~ExportElementFactory ();
TimespanPtr add_timespan ();
ChannelConfigPtr add_channel_config ();
FormatPtr add_format ();
FormatPtr add_format (XMLNode const & state);
FormatPtr add_format_copy (FormatPtr other);
FilenamePtr add_filename ();
FilenamePtr add_filename_copy (FilenamePtr other);
private:
Session & session;
};
class ExportHandler : public ExportElementFactory
{
public:
struct FileSpec {
FileSpec() {}
FileSpec (ChannelConfigPtr channel_config, FormatPtr format, FilenamePtr filename, boost::shared_ptr<AudioGrapher::BroadcastInfo> broadcast_info)
: channel_config (channel_config)
, format (format)
, filename (filename)
, broadcast_info (broadcast_info)
{}
ChannelConfigPtr channel_config;
FormatPtr format;
FilenamePtr filename;
boost::shared_ptr<AudioGrapher::BroadcastInfo> broadcast_info;
};
private:
/* Stuff for export configs
* The multimap maps timespans to file specifications
*/
typedef std::pair<TimespanPtr, FileSpec> ConfigPair;
typedef std::multimap<TimespanPtr, FileSpec> ConfigMap;
typedef boost::shared_ptr<ExportGraphBuilder> GraphBuilderPtr;
typedef boost::shared_ptr<ExportStatus> StatusPtr;
private:
/* Session::get_export_handler() should be used to obtain an export handler
* This ensures that it doesn't go out of scope before finalize_audio_export is called
*/
friend boost::shared_ptr<ExportHandler> Session::get_export_handler();
ExportHandler (Session & session);
public:
~ExportHandler ();
bool add_export_config (TimespanPtr timespan, ChannelConfigPtr channel_config, FormatPtr format, FilenamePtr filename, boost::shared_ptr<AudioGrapher::BroadcastInfo> broadcast_info);
void do_export (bool rt = false);
private:
int process (framecnt_t frames);
Session & session;
GraphBuilderPtr graph_builder;
StatusPtr export_status;
ConfigMap config_map;
bool realtime;
bool normalizing;
/* Timespan management */
void start_timespan ();
int process_timespan (framecnt_t frames);
int process_normalize ();
void finish_timespan ();
typedef std::pair<ConfigMap::iterator, ConfigMap::iterator> TimespanBounds;
TimespanPtr current_timespan;
TimespanBounds timespan_bounds;
PBD::ScopedConnection process_connection;
framepos_t process_position;
/* CD Marker stuff */
struct CDMarkerStatus {
CDMarkerStatus (std::string out_file, TimespanPtr timespan, FormatPtr format, std::string filename) :
out (out_file.c_str()), timespan (timespan), format (format), filename (filename), marker(0),
track_number (1), track_position (0), track_duration (0), track_start_frame (0),
index_number (1), index_position (0)
{}
/* General info */
std::ofstream out;
TimespanPtr timespan;
FormatPtr format;
std::string filename;
Location * marker;
/* Track info */
uint32_t track_number;
framepos_t track_position;
framepos_t track_duration;
framepos_t track_start_frame;
/* Index info */
uint32_t index_number;
framepos_t index_position;
};
void export_cd_marker_file (TimespanPtr timespan, FormatPtr file_format, std::string filename, CDMarkerFormat format);
void write_cue_header (CDMarkerStatus & status);
void write_toc_header (CDMarkerStatus & status);
void write_track_info_cue (CDMarkerStatus & status);
void write_track_info_toc (CDMarkerStatus & status);
void write_index_info_cue (CDMarkerStatus & status);
void write_index_info_toc (CDMarkerStatus & status);
void frames_to_cd_frames_string (char* buf, framepos_t when);
int cue_tracknum;
int cue_indexnum;
};
} // namespace ARDOUR
#endif /* __ardour_export_handler_h__ */
|