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/*
* This file is part of bino, a 3D video player.
*
* Copyright (C) 2010
* Martin Lambers <marlam@marlam.de>
* Gabriele Greco <gabrielegreco@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef AUDIO_OUTPUT_OPENAL_H
#define AUDIO_OUTPUT_OPENAL_H
#include <vector>
#include <string>
#include <stdint.h>
#include <AL/al.h>
#include <AL/alc.h>
#include "audio_output.h"
/* See audio_output.h for API documentation. */
class audio_output_openal : public audio_output
{
private:
static const size_t _num_buffers;
static const size_t _buffer_size;
std::vector<unsigned char> _data;
std::vector<ALuint> _buffers;
ALuint _source;
ALenum _format;
ALint _state;
int _channels;
int _rate;
int _bits;
int64_t _basetime;
int64_t _last_timestamp;
int64_t _ext_timer_at_last_timestamp;
int64_t _last_reported_timestamp;
ALCdevice *_device;
ALCcontext *_context;
public:
audio_output_openal() throw ();
virtual ~audio_output_openal();
virtual void open(int channels, int rate, enum decoder::audio_sample_format format);
virtual int64_t status(size_t *required_data);
virtual void data(const void *buffer, size_t size);
virtual int64_t start();
virtual void pause();
virtual void unpause();
virtual void stop();
virtual void close();
};
std::vector<std::string> openal_versions();
#endif