92 lines
1.5 KiB
C++
92 lines
1.5 KiB
C++
#ifndef AUDIOGRABBERLINUX_H
|
|
#define AUDIOGRABBERLINUX_H
|
|
|
|
#include <pthread.h>
|
|
#include <sched.h>
|
|
#include <alsa/asoundlib.h>
|
|
|
|
// Hyperion-utils includes
|
|
#include <grabber/AudioGrabber.h>
|
|
|
|
///
|
|
/// @brief The Linux Audio capture implementation
|
|
///
|
|
class AudioGrabberLinux : public AudioGrabber
|
|
{
|
|
public:
|
|
|
|
AudioGrabberLinux();
|
|
~AudioGrabberLinux() override;
|
|
|
|
///
|
|
/// Process audio buffer
|
|
///
|
|
void processAudioBuffer(snd_pcm_sframes_t frames);
|
|
|
|
///
|
|
/// Is Running Flag
|
|
///
|
|
std::atomic<bool> _isRunning;
|
|
|
|
///
|
|
/// Current capture device
|
|
///
|
|
snd_pcm_t * _captureDevice;
|
|
|
|
public slots:
|
|
|
|
///
|
|
/// Start audio capturing session
|
|
///
|
|
/// @returns true if successful
|
|
bool start() override;
|
|
|
|
///
|
|
/// Stop audio capturing session
|
|
///
|
|
void stop() override;
|
|
|
|
///
|
|
/// Discovery audio devices
|
|
///
|
|
QJsonArray discover(const QJsonObject& params) override;
|
|
|
|
private:
|
|
///
|
|
/// Refresh audio devices
|
|
///
|
|
void refreshDevices();
|
|
|
|
///
|
|
/// Configure current audio capture interface
|
|
///
|
|
bool configureCaptureInterface();
|
|
|
|
///
|
|
/// Get device name from path
|
|
///
|
|
QString getDeviceName(const QString& devicePath) const;
|
|
|
|
///
|
|
/// Current sample rate
|
|
///
|
|
unsigned int _sampleRate;
|
|
|
|
///
|
|
/// Audio capture thread
|
|
///
|
|
pthread_t _audioThread;
|
|
|
|
///
|
|
/// ALSA device configuration parameters
|
|
///
|
|
snd_pcm_hw_params_t * _captureDeviceConfig;
|
|
};
|
|
|
|
///
|
|
/// Audio processing thread function
|
|
///
|
|
static void* AudioThreadRunner(void* params);
|
|
|
|
#endif // AUDIOGRABBERLINUX_H
|