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/*
Copyright (C) 2009 Red Hat, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _H_LINUX_PLAYBACK
#define _H_LINUX_PLAYBACK
#include <alsa/asoundlib.h>
#include "common.h"
#include "audio_devices.h"
class WavePlayer: public WavePlaybackAbstract {
public:
WavePlayer(uint32_t sampels_per_sec, uint32_t bits_per_sample, uint32_t channels);
virtual ~WavePlayer();
virtual bool write(uint8_t* frame);
virtual bool abort();
virtual void stop();
virtual uint32_t get_delay_ms();
private:
bool init(uint32_t sampels_per_sec, uint32_t bits_per_sample, uint32_t channel);
void cleanup();
private:
snd_pcm_t* _pcm;
snd_pcm_hw_params_t* _hw_params;
snd_pcm_sw_params_t* _sw_params;
uint32_t _sampels_per_ms;
};
#endif
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