Class AlsaWorkerThread

include/sound-capture/linux/SoundCaptureLinux.h:38–80

typedef snd_pcm_sframes_t (*snd_pcm_avail_update_fun)(snd_pcm_t* pcm);

class AlsaWorkerThread : public QThread
{
	Q_OBJECT
		
		std::atomic<bool> _exitNow{ false };
		Logger* _logger;
		QString _device;
		SoundCapture* _parent;

		void run() override;

	public:
		AlsaWorkerThread(Logger* logger, QString device, SoundCapture* parent);
		void exitNow();

	private:
		bool initAlsaLib();
		void closeAlsaLib();

		void* _library = nullptr;
		snd_pcm_open_fun							snd_pcm_open = nullptr;
		snd_pcm_hw_params_malloc_fun				snd_pcm_hw_params_malloc = nullptr;
		snd_pcm_hw_params_any_fun					snd_pcm_hw_params_any = nullptr;
		snd_pcm_hw_params_set_access_fun			snd_pcm_hw_params_set_access = nullptr;
		snd_pcm_hw_params_set_format_fun			snd_pcm_hw_params_set_format = nullptr;
		snd_pcm_hw_params_set_rate_near_fun			snd_pcm_hw_params_set_rate_near = nullptr;
		snd_pcm_hw_params_set_channels_fun			snd_pcm_hw_params_set_channels = nullptr;
		snd_pcm_hw_params_set_period_size_near_fun	snd_pcm_hw_params_set_period_size_near = nullptr;
		snd_pcm_hw_params_set_buffer_size_near_fun	snd_pcm_hw_params_set_buffer_size_near = nullptr;
		snd_pcm_hw_params_fun						snd_pcm_hw_params = nullptr;
		snd_pcm_state_fun							snd_pcm_state = nullptr;
		snd_pcm_start_fun							snd_pcm_start = nullptr;
		snd_pcm_hw_params_free_fun					snd_pcm_hw_params_free = nullptr;
		snd_pcm_wait_fun							snd_pcm_wait = nullptr;
		snd_pcm_readi_fun							snd_pcm_readi = nullptr;
		snd_pcm_prepare_fun							snd_pcm_prepare = nullptr;
		snd_pcm_drop_fun							snd_pcm_drop = nullptr;
		snd_pcm_hw_free_fun							snd_pcm_hw_free = nullptr;
		snd_pcm_close_fun							snd_pcm_close = nullptr;
		snd_config_update_free_global_fun			snd_config_update_free_global = nullptr;
		snd_strerror_fun							snd_strerror = nullptr;
		snd_pcm_avail_update_fun					snd_pcm_avail_update = nullptr;
};

class SoundCaptureLinux : public SoundCapture
{