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diff --git a/lib/soundtouch/FIFOSampleBuffer.h b/lib/soundtouch/FIFOSampleBuffer.h
deleted file mode 100644
index de298dd82b..0000000000
--- a/lib/soundtouch/FIFOSampleBuffer.h
+++ /dev/null
@@ -1,177 +0,0 @@
-////////////////////////////////////////////////////////////////////////////////
-///
-/// A buffer class for temporarily storaging sound samples, operates as a 
-/// first-in-first-out pipe.
-///
-/// Samples are added to the end of the sample buffer with the 'putSamples' 
-/// function, and are received from the beginning of the buffer by calling
-/// the 'receiveSamples' function. The class automatically removes the 
-/// output samples from the buffer as well as grows the storage size 
-/// whenever necessary.
-///
-/// Author        : Copyright (c) Olli Parviainen
-/// Author e-mail : oparviai 'at' iki.fi
-/// SoundTouch WWW: http://www.surina.net/soundtouch
-///
-////////////////////////////////////////////////////////////////////////////////
-//
-// License :
-//
-//  SoundTouch audio processing library
-//  Copyright (c) Olli Parviainen
-//
-//  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, write to the Free Software
-//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-//
-////////////////////////////////////////////////////////////////////////////////
-
-#ifndef FIFOSampleBuffer_H
-#define FIFOSampleBuffer_H
-
-#include "FIFOSamplePipe.h"
-
-namespace soundtouch
-{
-
-/// Sample buffer working in FIFO (first-in-first-out) principle. The class takes
-/// care of storage size adjustment and data moving during input/output operations.
-///
-/// Notice that in case of stereo audio, one sample is considered to consist of 
-/// both channel data.
-class FIFOSampleBuffer : public FIFOSamplePipe
-{
-private:
-    /// Sample buffer.
-    SAMPLETYPE *buffer;
-
-    // Raw unaligned buffer memory. 'buffer' is made aligned by pointing it to first
-    // 16-byte aligned location of this buffer
-    SAMPLETYPE *bufferUnaligned;
-
-    /// Sample buffer size in bytes
-    uint sizeInBytes;
-
-    /// How many samples are currently in buffer.
-    uint samplesInBuffer;
-
-    /// Channels, 1=mono, 2=stereo.
-    uint channels;
-
-    /// Current position pointer to the buffer. This pointer is increased when samples are 
-    /// removed from the pipe so that it's necessary to actually rewind buffer (move data)
-    /// only new data when is put to the pipe.
-    uint bufferPos;
-
-    /// Rewind the buffer by moving data from position pointed by 'bufferPos' to real 
-    /// beginning of the buffer.
-    void rewind();
-
-    /// Ensures that the buffer has capacity for at least this many samples.
-    void ensureCapacity(uint capacityRequirement);
-
-    /// Returns current capacity.
-    uint getCapacity() const;
-
-public:
-
-    /// Constructor
-    FIFOSampleBuffer(int numChannels = 2     ///< Number of channels, 1=mono, 2=stereo.
-                                              ///< Default is stereo.
-                     );
-
-    /// destructor
-    ~FIFOSampleBuffer();
-
-    /// Returns a pointer to the beginning of the output samples. 
-    /// This function is provided for accessing the output samples directly. 
-    /// Please be careful for not to corrupt the book-keeping!
-    ///
-    /// When using this function to output samples, also remember to 'remove' the
-    /// output samples from the buffer by calling the 
-    /// 'receiveSamples(numSamples)' function
-    virtual SAMPLETYPE *ptrBegin();
-
-    /// Returns a pointer to the end of the used part of the sample buffer (i.e. 
-    /// where the new samples are to be inserted). This function may be used for 
-    /// inserting new samples into the sample buffer directly. Please be careful
-    /// not corrupt the book-keeping!
-    ///
-    /// When using this function as means for inserting new samples, also remember 
-    /// to increase the sample count afterwards, by calling  the 
-    /// 'putSamples(numSamples)' function.
-    SAMPLETYPE *ptrEnd(
-                uint slackCapacity   ///< How much free capacity (in samples) there _at least_ 
-                                     ///< should be so that the caller can successfully insert the 
-                                     ///< desired samples to the buffer. If necessary, the function 
-                                     ///< grows the buffer size to comply with this requirement.
-                );
-
-    /// Adds 'numSamples' pcs of samples from the 'samples' memory position to
-    /// the sample buffer.
-    virtual void putSamples(const SAMPLETYPE *samples,  ///< Pointer to samples.
-                            uint numSamples                         ///< Number of samples to insert.
-                            );
-
-    /// Adjusts the book-keeping to increase number of samples in the buffer without 
-    /// copying any actual samples.
-    ///
-    /// This function is used to update the number of samples in the sample buffer
-    /// when accessing the buffer directly with 'ptrEnd' function. Please be 
-    /// careful though!
-    virtual void putSamples(uint numSamples   ///< Number of samples been inserted.
-                            );
-
-    /// Output samples from beginning of the sample buffer. Copies requested samples to 
-    /// output buffer and removes them from the sample buffer. If there are less than 
-    /// 'numsample' samples in the buffer, returns all that available.
-    ///
-    /// \return Number of samples returned.
-    virtual uint receiveSamples(SAMPLETYPE *output, ///< Buffer where to copy output samples.
-                                uint maxSamples                 ///< How many samples to receive at max.
-                                );
-
-    /// Adjusts book-keeping so that given number of samples are removed from beginning of the 
-    /// sample buffer without copying them anywhere. 
-    ///
-    /// Used to reduce the number of samples in the buffer when accessing the sample buffer directly
-    /// with 'ptrBegin' function.
-    virtual uint receiveSamples(uint maxSamples   ///< Remove this many samples from the beginning of pipe.
-                                );
-
-    /// Returns number of samples currently available.
-    virtual uint numSamples() const;
-
-    /// Sets number of channels, 1 = mono, 2 = stereo.
-    void setChannels(int numChannels);
-
-    /// Get number of channels
-    int getChannels() 
-    {
-        return channels;
-    }
-
-    /// Returns nonzero if there aren't any samples available for outputting.
-    virtual int isEmpty() const;
-
-    /// Clears all the samples.
-    virtual void clear();
-
-    /// allow trimming (downwards) amount of samples in pipeline.
-    /// Returns adjusted amount of samples
-    uint adjustAmountOfSamples(uint numSamples);
-};
-
-}
-
-#endif