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Diffstat (limited to 'extern/audaspace/include/respec/JOSResampleReader.h')
-rw-r--r--extern/audaspace/include/respec/JOSResampleReader.h129
1 files changed, 0 insertions, 129 deletions
diff --git a/extern/audaspace/include/respec/JOSResampleReader.h b/extern/audaspace/include/respec/JOSResampleReader.h
deleted file mode 100644
index e9dd3b4220b..00000000000
--- a/extern/audaspace/include/respec/JOSResampleReader.h
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@@ -1,129 +0,0 @@
-/*******************************************************************************
- * 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
-
-/**
- * @file JOSResampleReader.h
- * @ingroup respec
- * The JOSResampleReader class.
- */
-
-#include "respec/ResampleReader.h"
-#include "util/Buffer.h"
-
-AUD_NAMESPACE_BEGIN
-
-/**
- * This resampling reader uses Julius O. Smith's resampling algorithm.
- */
-class AUD_API JOSResampleReader : public ResampleReader
-{
-private:
- typedef void (JOSResampleReader::*resample_f)(double target_factor, int length, sample_t* buffer);
-
- /**
- * The half filter length.
- */
- static const int m_len;
-
- /**
- * The sample step size for the filter.
- */
- static const int m_L;
-
- /**
- * The filter coefficients.
- */
- static const float m_coeff[];
-
- /**
- * The reader channels.
- */
- Channels m_channels;
-
- /**
- * The sample position in the cache.
- */
- unsigned int m_n;
-
- /**
- * The subsample position in the cache.
- */
- double m_P;
-
- /**
- * The input data buffer.
- */
- Buffer m_buffer;
-
- /**
- * Double buffer for the sums.
- */
- Buffer m_sums;
-
- /**
- * How many samples in the cache are valid.
- */
- int m_cache_valid;
-
- /**
- * Resample function.
- */
- resample_f m_resample;
-
- /**
- * Last resampling factor.
- */
- double m_last_factor;
-
- // delete copy constructor and operator=
- JOSResampleReader(const JOSResampleReader&) = delete;
- JOSResampleReader& operator=(const JOSResampleReader&) = delete;
-
- /**
- * Resets the resampler to its initial state.
- */
- void AUD_LOCAL reset();
-
- /**
- * Updates the buffer to be as small as possible for the coming reading.
- * \param size The size of samples to be read.
- * \param factor The next resampling factor.
- * \param samplesize The size of a sample.
- */
- void AUD_LOCAL updateBuffer(int size, double factor, int samplesize);
-
- void AUD_LOCAL resample(double target_factor, int length, sample_t* buffer);
- void AUD_LOCAL resample_mono(double target_factor, int length, sample_t* buffer);
- void AUD_LOCAL resample_stereo(double target_factor, int length, sample_t* buffer);
-
-public:
- /**
- * Creates a resampling reader.
- * \param reader The reader to mix.
- * \param rate The target sampling rate.
- */
- JOSResampleReader(std::shared_ptr<IReader> reader, SampleRate rate);
-
- 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