blob: 05d1a06b5144ea5659e503f3488e2909eb574611 (
plain)
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
|
/*
Copyright (C) 2024 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic 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.
DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include <dcp/warnings.h>
LIBDCP_DISABLE_WARNINGS
#include <RtAudio.h>
LIBDCP_ENABLE_WARNINGS
#include <wx/wx.h>
#include <boost/optional.hpp>
#include <boost/thread/mutex.hpp>
class AudioBackend
{
public:
AudioBackend();
AudioBackend(AudioBackend const&) = delete;
AudioBackend& operator=(AudioBackend const&) = delete;
std::vector<std::string> device_names();
boost::optional<std::string> default_device_name();
boost::optional<int> device_channels(std::string name);
bool open_stream(RtAudioCallback callback, void* context, int* channels, unsigned int* block_size, boost::optional<std::string> output);
boost::optional<std::string> start_stream();
void abort_stream_if_running();
void close_stream();
bool stream_open() const;
bool stream_running() const;
double stream_time() const;
int64_t stream_latency() const;
void set_stream_time(double time);
wxString current_api_name() const;
#if (RTAUDIO_VERSION_MAJOR >= 6)
std::string last_error() const;
#endif
static AudioBackend* instance();
private:
static AudioBackend* _instance;
RtAudio _rtaudio;
#if (RTAUDIO_VERSION_MAJOR >= 6)
void rtaudio_error_callback(std::string const& error);
mutable boost::mutex _last_error_mutex;
std::string _last_error;
#endif
};
|
