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Update soundtouch to 1.7.1.

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lllucius
2013-10-24 06:36:42 +00:00
parent 8d97adecb1
commit f740766f37
107 changed files with 6813 additions and 60819 deletions
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172
lib-src/soundtouch/source/SoundTouch/TDStretch.h
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@@ -1,11 +1,11 @@
////////////////////////////////////////////////////////////////////////////////
///
/// Sampled sound tempo changer/time stretch algorithm. Changes the sound tempo
/// while maintaining the original pitch by using a time domain WSOLA-like method
///
/// Sampled sound tempo changer/time stretch algorithm. Changes the sound tempo
/// while maintaining the original pitch by using a time domain WSOLA-like method
/// with several performance-increasing tweaks.
///
/// Note : MMX optimized functions reside in a separate, platform-specific file,
/// e.g. 'mmx_win.cpp' or 'mmx_gcc.cpp'
/// Note : MMX/SSE optimized functions reside in separate, platform-specific files
/// 'mmx_optimized.cpp' and 'sse_optimized.cpp'
///
/// Author : Copyright (c) Olli Parviainen
/// Author e-mail : oparviai 'at' iki.fi
@@ -13,10 +13,10 @@
///
////////////////////////////////////////////////////////////////////////////////
//
// Last changed : $Date: 2006-09-18 22:29:22 $
// File revision : $Revision: 1.4 $
// Last changed : $Date: 2012-04-01 22:49:30 +0300 (Sun, 01 Apr 2012) $
// File revision : $Revision: 4 $
//
// $Id: TDStretch.h,v 1.4 2006-09-18 22:29:22 martynshaw Exp $
// $Id: TDStretch.h 137 2012-04-01 19:49:30Z oparviai $
//
////////////////////////////////////////////////////////////////////////////////
//
@@ -44,6 +44,7 @@
#ifndef TDStretch_H
#define TDStretch_H
#include <stddef.h>
#include "STTypes.h"
#include "RateTransposer.h"
#include "FIFOSamplePipe.h"
@@ -51,9 +52,15 @@
namespace soundtouch
{
// Default values for sound processing parameters:
/// Default values for sound processing parameters:
/// Notice that the default parameters are tuned for contemporary popular music
/// processing. For speech processing applications these parameters suit better:
/// #define DEFAULT_SEQUENCE_MS 40
/// #define DEFAULT_SEEKWINDOW_MS 15
/// #define DEFAULT_OVERLAP_MS 8
///
/// Default length of a single processing sequence, in milliseconds. This determines to how
/// Default length of a single processing sequence, in milliseconds. This determines to how
/// long sequences the original sound is chopped in the time-stretch algorithm.
///
/// The larger this value is, the lesser sequences are used in processing. In principle
@@ -61,31 +68,41 @@ namespace soundtouch
/// and vice versa.
///
/// Increasing this value reduces computational burden & vice versa.
#define DEFAULT_SEQUENCE_MS 82
//#define DEFAULT_SEQUENCE_MS 40
#define DEFAULT_SEQUENCE_MS USE_AUTO_SEQUENCE_LEN
/// Seeking window default length in milliseconds for algorithm that finds the best possible
/// overlapping location. This determines from how wide window the algorithm may look for an
/// optimal joining location when mixing the sound sequences back together.
/// Giving this value for the sequence length sets automatic parameter value
/// according to tempo setting (recommended)
#define USE_AUTO_SEQUENCE_LEN 0
/// Seeking window default length in milliseconds for algorithm that finds the best possible
/// overlapping location. This determines from how wide window the algorithm may look for an
/// optimal joining location when mixing the sound sequences back together.
///
/// The bigger this window setting is, the higher the possibility to find a better mixing
/// position will become, but at the same time large values may cause a "drifting" artifact
/// because consequent sequences will be taken at more uneven intervals.
///
/// If there's a disturbing artifact that sounds as if a constant frequency was drifting
/// If there's a disturbing artifact that sounds as if a constant frequency was drifting
/// around, try reducing this setting.
///
/// Increasing this value increases computational burden & vice versa.
#define DEFAULT_SEEKWINDOW_MS 14
//#define DEFAULT_SEEKWINDOW_MS 15
#define DEFAULT_SEEKWINDOW_MS USE_AUTO_SEEKWINDOW_LEN
/// Overlap length in milliseconds. When the chopped sound sequences are mixed back together,
/// to form a continuous sound stream, this parameter defines over how long period the two
/// consecutive sequences are let to overlap each other.
/// Giving this value for the seek window length sets automatic parameter value
/// according to tempo setting (recommended)
#define USE_AUTO_SEEKWINDOW_LEN 0
/// Overlap length in milliseconds. When the chopped sound sequences are mixed back together,
/// to form a continuous sound stream, this parameter defines over how long period the two
/// consecutive sequences are let to overlap each other.
///
/// This shouldn't be that critical parameter. If you reduce the DEFAULT_SEQUENCE_MS setting
/// This shouldn't be that critical parameter. If you reduce the DEFAULT_SEQUENCE_MS setting
/// by a large amount, you might wish to try a smaller value on this.
///
/// Increasing this value increases computational burden & vice versa.
#define DEFAULT_OVERLAP_MS 12
#define DEFAULT_OVERLAP_MS 8
/// Class that does the time-stretch (tempo change) effect for the processed
@@ -93,44 +110,40 @@ namespace soundtouch
class TDStretch : public FIFOProcessor
{
protected:
uint channels;
uint sampleReq;
int channels;
int sampleReq;
float tempo;
SAMPLETYPE *pMidBuffer;
SAMPLETYPE *pRefMidBuffer;
SAMPLETYPE *pRefMidBufferUnaligned;
uint overlapLength;
uint overlapDividerBits;
uint slopingDivider;
uint seekLength;
uint seekWindowLength;
uint maxOffset;
SAMPLETYPE *pMidBufferUnaligned;
int overlapLength;
int seekLength;
int seekWindowLength;
int overlapDividerBits;
int slopingDivider;
float nominalSkip;
float skipFract;
FIFOSampleBuffer outputBuffer;
FIFOSampleBuffer inputBuffer;
BOOL bQuickseek;
BOOL bMidBufferDirty;
BOOL bQuickSeek;
uint sampleRate;
uint sequenceMs;
uint seekWindowMs;
uint overlapMs;
int sampleRate;
int sequenceMs;
int seekWindowMs;
int overlapMs;
BOOL bAutoSeqSetting;
BOOL bAutoSeekSetting;
void acceptNewOverlapLength(uint newOverlapLength);
void acceptNewOverlapLength(int newOverlapLength);
virtual void clearCrossCorrState();
void calculateOverlapLength(uint overlapMs);
void calculateOverlapLength(int overlapMs);
virtual LONG_SAMPLETYPE calcCrossCorrStereo(const SAMPLETYPE *mixingPos, const SAMPLETYPE *compare) const;
virtual LONG_SAMPLETYPE calcCrossCorrMono(const SAMPLETYPE *mixingPos, const SAMPLETYPE *compare) const;
virtual double calcCrossCorr(const SAMPLETYPE *mixingPos, const SAMPLETYPE *compare) const;
virtual uint seekBestOverlapPositionStereo(const SAMPLETYPE *refPos);
virtual uint seekBestOverlapPositionStereoQuick(const SAMPLETYPE *refPos);
virtual uint seekBestOverlapPositionMono(const SAMPLETYPE *refPos);
virtual uint seekBestOverlapPositionMonoQuick(const SAMPLETYPE *refPos);
uint seekBestOverlapPosition(const SAMPLETYPE *refPos);
virtual int seekBestOverlapPositionFull(const SAMPLETYPE *refPos);
virtual int seekBestOverlapPositionQuick(const SAMPLETYPE *refPos);
int seekBestOverlapPosition(const SAMPLETYPE *refPos);
virtual void overlapStereo(SAMPLETYPE *output, const SAMPLETYPE *input) const;
virtual void overlapMono(SAMPLETYPE *output, const SAMPLETYPE *input) const;
@@ -138,37 +151,34 @@ protected:
void clearMidBuffer();
void overlap(SAMPLETYPE *output, const SAMPLETYPE *input, uint ovlPos) const;
void precalcCorrReferenceMono();
void precalcCorrReferenceStereo();
void processNominalTempo();
void calcSeqParameters();
/// Changes the tempo of the given sound samples.
/// Returns amount of samples returned in the "output" buffer.
/// The maximum amount of samples that can be returned at a time is set by
/// the 'set_returnBuffer_size' function.
void processSamples();
public:
TDStretch();
virtual ~TDStretch();
/// Operator 'new' is overloaded so that it automatically creates a suitable instance
/// Operator 'new' is overloaded so that it automatically creates a suitable instance
/// depending on if we've a MMX/SSE/etc-capable CPU available or not.
void *operator new(size_t s);
static void *operator new(size_t s);
/// Use this function instead of "new" operator to create a new instance of this class.
/// Use this function instead of "new" operator to create a new instance of this class.
/// This function automatically chooses a correct feature set depending on if the CPU
/// supports MMX/SSE/etc extensions.
static TDStretch *newInstance();
/// Returns the output buffer object
FIFOSamplePipe *getOutput() { return &outputBuffer; };
/// Returns the input buffer object
FIFOSamplePipe *getInput() { return &inputBuffer; };
/// Sets new target tempo. Normal tempo = 'SCALE', smaller values represent slower
/// Sets new target tempo. Normal tempo = 'SCALE', smaller values represent slower
/// tempo, larger faster tempo.
void setTempo(float newTempo);
@@ -179,9 +189,9 @@ public:
void clearInput();
/// Sets the number of channels, 1 = mono, 2 = stereo
void setChannels(uint numChannels);
void setChannels(int numChannels);
/// Enables/disables the quick position seeking algorithm. Zero to disable,
/// Enables/disables the quick position seeking algorithm. Zero to disable,
/// nonzero to enable
void enableQuickSeek(BOOL enable);
@@ -193,19 +203,19 @@ public:
//
/// 'sampleRate' = sample rate of the sound
/// 'sequenceMS' = one processing sequence length in milliseconds
/// 'seekwindowMS' = seeking window length for scanning the best overlapping
/// 'seekwindowMS' = seeking window length for scanning the best overlapping
/// position
/// 'overlapMS' = overlapping length
void setParameters(uint sampleRate, ///< Samplerate of sound being processed (Hz)
uint sequenceMS = DEFAULT_SEQUENCE_MS, ///< Single processing sequence length (ms)
uint seekwindowMS = DEFAULT_SEEKWINDOW_MS, ///< Offset seeking window length (ms)
uint overlapMS = DEFAULT_OVERLAP_MS ///< Sequence overlapping length (ms)
void setParameters(int sampleRate, ///< Samplerate of sound being processed (Hz)
int sequenceMS = -1, ///< Single processing sequence length (ms)
int seekwindowMS = -1, ///< Offset seeking window length (ms)
int overlapMS = -1 ///< Sequence overlapping length (ms)
);
/// Get routine control parameters, see setParameters() function.
/// Any of the parameters to this function can be NULL, in such case corresponding parameter
/// value isn't returned.
void getParameters(uint *pSampleRate, uint *pSequenceMs, uint *pSeekWindowMs, uint *pOverlapMs);
void getParameters(int *pSampleRate, int *pSequenceMs, int *pSeekWindowMs, int *pOverlapMs) const;
/// Adds 'numsamples' pcs of samples from the 'samples' memory position into
/// the input of the object.
@@ -214,43 +224,45 @@ public:
uint numSamples ///< Number of samples in 'samples' so that one sample
///< contains both channels if stereo
);
/// return nominal input sample requirement for triggering a processing batch
int getInputSampleReq() const
{
return (int)(nominalSkip + 0.5);
}
/// return nominal output sample amount when running a processing batch
int getOutputBatchSize() const
{
return seekWindowLength - overlapLength;
}
};
// Implementation-specific class declarations:
#ifdef ALLOW_MMX
#ifdef SOUNDTOUCH_ALLOW_MMX
/// Class that implements MMX optimized routines for 16bit integer samples type.
class TDStretchMMX : public TDStretch
{
protected:
long calcCrossCorrStereo(const short *mixingPos, const short *compare) const;
double calcCrossCorr(const short *mixingPos, const short *compare) const;
virtual void overlapStereo(short *output, const short *input) const;
virtual void clearCrossCorrState();
};
#endif /// ALLOW_MMX
#endif /// SOUNDTOUCH_ALLOW_MMX
#ifdef ALLOW_3DNOW
/// Class that implements 3DNow! optimized routines for floating point samples type.
class TDStretch3DNow : public TDStretch
{
protected:
double calcCrossCorrStereo(const float *mixingPos, const float *compare) const;
};
#endif /// ALLOW_3DNOW
#ifdef ALLOW_SSE
#ifdef SOUNDTOUCH_ALLOW_SSE
/// Class that implements SSE optimized routines for floating point samples type.
class TDStretchSSE : public TDStretch
{
protected:
double calcCrossCorrStereo(const float *mixingPos, const float *compare) const;
double calcCrossCorr(const float *mixingPos, const float *compare) const;
};
#endif /// ALLOW_SSE
#endif /// SOUNDTOUCH_ALLOW_SSE
}
#endif /// TDStretch_H