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
|
/*
Copyright (C) 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
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.
$Id$
*/
#ifndef __ardour_destructive_file_source_h__
#define __ardour_destructive_file_source_h__
#include <string>
#include <ardour/sndfilesource.h>
struct tm;
namespace ARDOUR {
class DestructiveFileSource : public SndFileSource {
public:
DestructiveFileSource (std::string path, SampleFormat samp_format, HeaderFormat hdr_format, jack_nframes_t rate,
Flag flags = AudioFileSource::Flag (AudioFileSource::Writable));
DestructiveFileSource (std::string path, Flag flags);
DestructiveFileSource (const XMLNode&);
~DestructiveFileSource ();
jack_nframes_t last_capture_start_frame() const;
void mark_capture_start (jack_nframes_t);
void mark_capture_end ();
void clear_capture_marks();
XMLNode& get_state ();
static void setup_standard_crossfades (jack_nframes_t sample_rate);
protected:
jack_nframes_t write_unlocked (Sample *src, jack_nframes_t cnt);
virtual void handle_header_position_change ();
private:
static jack_nframes_t xfade_frames;
static gain_t* out_coefficient;
static gain_t* in_coefficient;
bool _capture_start;
bool _capture_end;
jack_nframes_t capture_start_frame;
jack_nframes_t file_pos; // unit is frames
Sample* xfade_buf;
void init ();
jack_nframes_t crossfade (Sample* data, jack_nframes_t cnt, int dir);
void set_timeline_position (jack_nframes_t);
};
}
#endif /* __ardour_destructive_file_source_h__ */
|
