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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_RECORD
#define _H_LINUX_RECORD
#include <alsa/asoundlib.h>
#include "common.h"
#include "audio_devices.h"
#include "platform.h"
class WaveRecorder: public WaveRecordAbstract {
public:
WaveRecorder(Platform::RecordClient& client,
uint32_t samples_per_sec,
uint32_t bits_per_sample,
uint32_t channels,
uint32_t frame_size);
virtual ~WaveRecorder();
virtual void start();
virtual void stop();
virtual bool abort();
private:
bool init(uint32_t samples_per_sec,
uint32_t bits_per_sample,
uint32_t channels,
uint32_t frame_size);
void cleanup();
void on_event();
private:
Platform::RecordClient& _client;
snd_pcm_t* _pcm;
snd_pcm_hw_params_t* _hw_params;
snd_pcm_sw_params_t* _sw_params;
uint32_t _sample_bytes;
uint32_t _frame_size;
uint8_t* _frame;
uint8_t* _frame_pos;
uint8_t* _frame_end;
class EventTrigger;
EventTrigger* _event_trigger;
};
#endif
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