781dd5edb5
All these files were removed since accidental commit, revert and merge in 2.8.ea31f0ac3b+0a4e170c28+11f9a23a28+7b27b10fa6
87 lines
2.3 KiB
C++
87 lines
2.3 KiB
C++
/*******************************************************************************
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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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/**
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* @file SawtoothReader.h
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* @ingroup generator
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* The SawtoothReader class.
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*/
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#include "IReader.h"
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AUD_NAMESPACE_BEGIN
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/**
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* This class is used for sawtooth 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_API SawtoothReader : public IReader
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{
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private:
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/**
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* The frequency of the sine wave.
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*/
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float m_frequency;
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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 value of the current sample.
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*/
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float m_sample;
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/**
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* The sample rate for the output.
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*/
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const SampleRate m_sampleRate;
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// delete copy constructor and operator=
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SawtoothReader(const SawtoothReader&) = delete;
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SawtoothReader& operator=(const SawtoothReader&) = delete;
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public:
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/**
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* Creates a new reader.
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* \param frequency The frequency of the sine wave.
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* \param sampleRate The output sample rate.
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*/
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SawtoothReader(float frequency, SampleRate sampleRate);
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/**
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* Sets the frequency of the wave.
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* @param frequency The new frequency in Hertz.
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*/
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void setFrequency(float frequency);
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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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