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/*******************************************************************************
* Copyright 2009-2016 Jörg Müller
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
#pragma once
#ifdef OPENAL_PLUGIN
#define AUD_BUILD_PLUGIN
#endif
/**
* @file OpenALReader.h
* @ingroup plugin
* The OpenALReader class.
*/
#include "IReader.h"
#include <alc.h>
AUD_NAMESPACE_BEGIN
/**
* This class is used for sine tone playback.
* The output format is in the 16 bit format and stereo, the sample rate can be
* specified.
* As the two channels both play the same the output could also be mono, but
* in most cases this will result in having to resample for output, so stereo
* sound is created directly.
*/
class AUD_PLUGIN_API OpenALReader : public IReader
{
private:
/**
* The specs of the reader.
*/
Specs m_specs;
/**
* The current position in samples.
*/
int m_position;
/**
* The capture device.
*/
ALCdevice* m_device;
// delete copy constructor and operator=
OpenALReader(const OpenALReader&) = delete;
OpenALReader& operator=(const OpenALReader&) = delete;
public:
/**
* Creates a new reader.
* \param specs The desired specification of the output samples.
* \param buffersize The buffer size used to read from the device.
*/
OpenALReader(Specs specs, int buffersize = AUD_DEFAULT_BUFFER_SIZE);
virtual ~OpenALReader();
virtual bool isSeekable() const;
virtual void seek(int position);
virtual int getLength() const;
virtual int getPosition() const;
virtual Specs getSpecs() const;
virtual void read(int & length, bool& eos, sample_t* buffer);
};
AUD_NAMESPACE_END
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