godot/platform/bb10/audio_driver_bb10.h

/*************************************************************************/
/*  audio_driver_bb10.h                                                  */
/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
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#include "servers/audio/audio_server_sw.h"

#include "core/os/mutex.h"
#include "core/os/thread.h"

#include <sys/asoundlib.h>

class AudioDriverBB10 : public AudioDriverSW {

	Thread *thread;
	Mutex *mutex;

	snd_pcm_t *pcm_handle;

	int32_t *samples_in;
	int16_t *samples_out;
	int sample_buf_count;

	static void thread_func(void *p_udata);

	int mix_rate;
	OutputFormat output_format;

	int pcm_frag_size;
	int pcm_max_frags;

	bool active;
	bool thread_exited;
	mutable bool exit_thread;
	bool pcm_open;

public:
	const char *get_name() const {
		return "BB10";
	};

	virtual Error init();
	virtual Error init(const char *p_name);
	virtual void start();
	virtual int get_mix_rate() const;
	virtual OutputFormat get_output_format() const;
	virtual void lock();
	virtual void unlock();
	virtual void finish();

	AudioDriverBB10();
	~AudioDriverBB10();
};