Audaspace 1.7.0
A high level audio library.
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PipeWireDevice.h
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1/*******************************************************************************
2 * Copyright 2009-2024 Jörg Müller
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 ******************************************************************************/
16
17#pragma once
18
19#ifdef PIPEWIRE_PLUGIN
20#define AUD_BUILD_PLUGIN
21#endif
22
28
29#include <pipewire/pipewire.h>
30
32
34
38class AUD_PLUGIN_API PipeWireDevice : public MixingThreadDevice
39{
40private:
41 pw_stream* m_stream;
42 pw_thread_loop* m_thread;
43 std::unique_ptr<pw_stream_events> m_events;
44 bool m_active{false};
45
47 bool m_getSynchronizerStartTime{false};
48 int64_t m_synchronizerStartTime{0};
49 double m_synchronizerStartPosition{0.0};
50
51 AUD_LOCAL static void handleStateChanged(void* device_ptr, enum pw_stream_state old, enum pw_stream_state state, const char* error);
52
57 AUD_LOCAL static void mixAudioBuffer(void* device_ptr);
58
59 // delete copy constructor and operator=
60 PipeWireDevice(const PipeWireDevice&) = delete;
61 PipeWireDevice& operator=(const PipeWireDevice&) = delete;
62
63protected:
65 virtual void playing(bool playing);
66
67public:
75 PipeWireDevice(const std::string& name, DeviceSpecs specs, int buffersize = AUD_DEFAULT_BUFFER_SIZE);
76
80 virtual ~PipeWireDevice();
81
82 virtual void seekSynchronizer(double time);
83 virtual double getSynchronizerPosition();
84 virtual void playSynchronizer();
85 virtual void stopSynchronizer();
86
90 static void registerPlugin();
91};
92
#define AUD_DEFAULT_BUFFER_SIZE
The default playback buffer size of a device.
Definition Audaspace.h:103
#define AUD_NAMESPACE_END
Closes the audaspace namespace aud.
Definition Audaspace.h:119
#define AUD_LOCAL
Used for hiding symbols from export in the shared library.
Definition Audaspace.h:80
#define AUD_NAMESPACE_BEGIN
Opens the audaspace namespace aud.
Definition Audaspace.h:116
#define AUD_PLUGIN_API
Used for exporting symbols in the shared library.
Definition Audaspace.h:94
The MixingThreadDevice class.
PipeWireDevice(const std::string &name, DeviceSpecs specs, int buffersize=AUD_DEFAULT_BUFFER_SIZE)
Opens the PipeWire audio device for playback.
static void registerPlugin()
Registers this plugin.
virtual ~PipeWireDevice()
Closes the PipeWire audio device.
virtual void playing(bool playing)
This function tells the device, to start or pause playback.
void preMixingWork(bool playing)
Called every iteration in the mixing thread before mixing.
Specification of a sound device.
Definition Specification.h:129