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