blob: d60736f1298c5a935eed02bb269d1f90daa1211c (
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
|
#pragma once
#include "service.hpp"
#include <QObject>
#include <cstdint>
#include <mutex>
#include <pipewire/pipewire.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
public:
explicit AudioCollector(
uint32_t sampleRate = 44100, uint32_t chunkSize = 512, uint32_t bufferSize = 512, QObject* parent = nullptr);
~AudioCollector();
static AudioCollector* instance();
[[nodiscard]] uint32_t sampleRate() const;
[[nodiscard]] uint32_t chunkSize() const;
[[nodiscard]] uint32_t bufferSize() const;
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);
private:
inline static AudioCollector* s_instance = nullptr;
inline static std::mutex s_mutex;
std::jthread m_thread;
std::vector<float> m_buffer;
uint32_t m_bufferIndex;
std::mutex m_bufferMutex;
const uint32_t m_sampleRate;
const uint32_t m_chunkSize;
const uint32_t m_bufferSize;
void start() override;
void stop() override;
};
} // namespace caelestia
|
