blob: ecfae091bbdd79bb61291b977850071988564a9a (
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
76
77
78
79
80
81
82
83
84
85
86
87
|
#pragma once
#include "service.hpp"
#include <atomic>
#include <cstdint>
#include <pipewire/pipewire.h>
#include <qmutex.h>
#include <qqmlintegration.h>
#include <spa/param/audio/format-utils.h>
#include <stop_token>
#include <thread>
#include <vector>
namespace caelestia {
class AudioCollector;
class PipeWireWorker {
public:
explicit PipeWireWorker(std::stop_token token, AudioCollector* collector);
void run();
private:
pw_main_loop* m_loop;
pw_stream* m_stream;
spa_source* m_timer;
bool m_idle;
std::stop_token m_token;
AudioCollector* m_collector;
void cleanup();
static void handleTimeout(void* data, uint64_t expirations);
void streamStateChanged(pw_stream_state state);
void processStream();
void processSamples(const int16_t* samples, uint32_t count);
[[nodiscard]] unsigned int nextPowerOf2(unsigned int n);
};
class AudioCollector : public Service {
Q_OBJECT
QML_ELEMENT
Q_PROPERTY(uint32_t nodeId READ nodeId WRITE setNodeId NOTIFY nodeIdChanged)
public:
explicit AudioCollector(QObject* parent = nullptr);
~AudioCollector();
[[nodiscard]] uint32_t sampleRate() const;
[[nodiscard]] uint32_t chunkSize() const;
[[nodiscard]] uint32_t nodeId();
void setNodeId(uint32_t nodeId);
void clearBuffer();
void loadChunk(const int16_t* samples, uint32_t count);
uint32_t readChunk(float* out, uint32_t count = 0);
uint32_t readChunk(double* out, uint32_t count = 0);
signals:
void sampleRateChanged();
void chunkSizeChanged();
void nodeIdChanged();
private:
const uint32_t m_sampleRate;
const uint32_t m_chunkSize;
uint32_t m_nodeId;
QMutex m_nodeIdMutex;
std::jthread m_thread;
std::vector<float> m_buffer1;
std::vector<float> m_buffer2;
std::atomic<std::vector<float>*> m_readBuffer;
std::atomic<std::vector<float>*> m_writeBuffer;
uint32_t m_sampleCount;
void reload();
void start() override;
void stop() override;
};
} // namespace caelestia
|
