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lllucius
2013-11-01 23:22:33 +00:00
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lib-src/soundtouch/source/SoundTouchDLL/SoundTouchDLL.cpp
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@@ -1,338 +1,338 @@
//////////////////////////////////////////////////////////////////////////////
///
/// SoundTouch DLL wrapper - wraps SoundTouch routines into a Dynamic Load
/// Library interface.
///
/// Author : Copyright (c) Olli Parviainen
/// Author e-mail : oparviai 'at' iki.fi
/// SoundTouch WWW: http://www.surina.net/soundtouch
///
////////////////////////////////////////////////////////////////////////////////
//
// $Id: SoundTouchDLL.cpp 96 2010-12-12 19:12:12Z oparviai $
//
////////////////////////////////////////////////////////////////////////////////
//
// 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
//
////////////////////////////////////////////////////////////////////////////////
#include <windows.h>
#include <string.h>
#include "SoundTouchDLL.h"
#include "soundtouch.h"
using namespace soundtouch;
BOOL APIENTRY DllMain( HANDLE hModule,
DWORD ul_reason_for_call,
LPVOID lpReserved
)
{
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
case DLL_THREAD_ATTACH:
case DLL_THREAD_DETACH:
case DLL_PROCESS_DETACH:
break;
}
return TRUE;
}
//////////////
typedef struct
{
DWORD dwMagic;
SoundTouch *pst;
} STHANDLE;
#define STMAGIC 0x1770C001
SOUNDTOUCHDLL_API HANDLE __stdcall soundtouch_createInstance()
{
STHANDLE *tmp = new STHANDLE;
if (tmp)
{
tmp->dwMagic = STMAGIC;
tmp->pst = new SoundTouch();
if (tmp->pst == NULL)
{
delete tmp;
tmp = NULL;
}
}
return (HANDLE)tmp;
}
SOUNDTOUCHDLL_API void __stdcall soundtouch_destroyInstance(HANDLE h)
{
/*
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
*/
/*
sth->dwMagic = 0;
delete sth->pst;
sth->pst = NULL;
delete sth;
*/
}
/// Get SoundTouch library version string
SOUNDTOUCHDLL_API const char *__stdcall soundtouch_getVersionString()
{
return SoundTouch::getVersionString();
}
/// Get SoundTouch library version string - alternative function for
/// environments that can't properly handle character string as return value
SOUNDTOUCHDLL_API void __stdcall soundtouch_getVersionString2(char* versionString, int bufferSize)
{
strncpy(versionString, SoundTouch::getVersionString(), bufferSize - 1);
versionString[bufferSize - 1] = 0;
}
/// Get SoundTouch library version Id
SOUNDTOUCHDLL_API uint __stdcall soundtouch_getVersionId()
{
return SoundTouch::getVersionId();
}
/// Sets new rate control value. Normal rate = 1.0, smaller values
/// represent slower rate, larger faster rates.
SOUNDTOUCHDLL_API void __stdcall soundtouch_setRate(HANDLE h, float newRate)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->setRate(newRate);
}
/// Sets new tempo control value. Normal tempo = 1.0, smaller values
/// represent slower tempo, larger faster tempo.
SOUNDTOUCHDLL_API void __stdcall soundtouch_setTempo(HANDLE h, float newTempo)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->setTempo(newTempo);
}
/// Sets new rate control value as a difference in percents compared
/// to the original rate (-50 .. +100 %)
SOUNDTOUCHDLL_API void __stdcall soundtouch_setRateChange(HANDLE h, float newRate)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->setRateChange(newRate);
}
/// Sets new tempo control value as a difference in percents compared
/// to the original tempo (-50 .. +100 %)
SOUNDTOUCHDLL_API void __stdcall soundtouch_setTempoChange(HANDLE h, float newTempo)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->setTempoChange(newTempo);
}
/// Sets new pitch control value. Original pitch = 1.0, smaller values
/// represent lower pitches, larger values higher pitch.
SOUNDTOUCHDLL_API void __stdcall soundtouch_setPitch(HANDLE h, float newPitch)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->setPitch(newPitch);
}
/// Sets pitch change in octaves compared to the original pitch
/// (-1.00 .. +1.00)
SOUNDTOUCHDLL_API void __stdcall soundtouch_setPitchOctaves(HANDLE h, float newPitch)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->setPitchOctaves(newPitch);
}
/// Sets pitch change in semi-tones compared to the original pitch
/// (-12 .. +12)
SOUNDTOUCHDLL_API void __stdcall soundtouch_setPitchSemiTones(HANDLE h, float newPitch)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->setPitchSemiTones(newPitch);
}
/// Sets the number of channels, 1 = mono, 2 = stereo
SOUNDTOUCHDLL_API void __stdcall soundtouch_setChannels(HANDLE h, uint numChannels)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->setChannels(numChannels);
}
/// Sets sample rate.
SOUNDTOUCHDLL_API void __stdcall soundtouch_setSampleRate(HANDLE h, uint srate)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->setSampleRate(srate);
}
/// Flushes the last samples from the processing pipeline to the output.
/// Clears also the internal processing buffers.
//
/// Note: This function is meant for extracting the last samples of a sound
/// stream. This function may introduce additional blank samples in the end
/// of the sound stream, and thus it's not recommended to call this function
/// in the middle of a sound stream.
SOUNDTOUCHDLL_API void __stdcall soundtouch_flush(HANDLE h)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->flush();
}
/// Adds 'numSamples' pcs of samples from the 'samples' memory position into
/// the input of the object. Notice that sample rate _has_to_ be set before
/// calling this function, otherwise throws a runtime_error exception.
SOUNDTOUCHDLL_API void __stdcall soundtouch_putSamples(HANDLE h,
const SAMPLETYPE *samples, ///< Pointer to sample buffer.
uint numSamples ///< Number of samples in buffer. Notice
///< that in case of stereo-sound a single sample
///< contains data for both channels.
)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->putSamples(samples, numSamples);
}
/// Clears all the samples in the object's output and internal processing
/// buffers.
SOUNDTOUCHDLL_API void __stdcall soundtouch_clear(HANDLE h)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->clear();
}
/// Changes a setting controlling the processing system behaviour. See the
/// 'SETTING_...' defines for available setting ID's.
///
/// \return 'TRUE' if the setting was succesfully changed
SOUNDTOUCHDLL_API BOOL __stdcall soundtouch_setSetting(HANDLE h,
int settingId, ///< Setting ID number. see SETTING_... defines.
int value ///< New setting value.
)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return FALSE;
return sth->pst->setSetting(settingId, value);
}
/// Reads a setting controlling the processing system behaviour. See the
/// 'SETTING_...' defines for available setting ID's.
///
/// \return the setting value.
SOUNDTOUCHDLL_API int __stdcall soundtouch_getSetting(HANDLE h,
int settingId ///< Setting ID number, see SETTING_... defines.
)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return -1;
return sth->pst->getSetting(settingId);
}
/// Returns number of samples currently unprocessed.
SOUNDTOUCHDLL_API uint __stdcall soundtouch_numUnprocessedSamples(HANDLE h)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return 0;
return sth->pst->numUnprocessedSamples();
}
/// 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.
SOUNDTOUCHDLL_API uint __stdcall soundtouch_receiveSamples(HANDLE h,
SAMPLETYPE *outBuffer, ///< Buffer where to copy output samples.
uint maxSamples ///< How many samples to receive at max.
)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return 0;
if (outBuffer)
{
return sth->pst->receiveSamples(outBuffer, maxSamples);
}
else
{
return sth->pst->receiveSamples(maxSamples);
}
}
/// Returns number of samples currently available.
SOUNDTOUCHDLL_API uint __stdcall soundtouch_numSamples(HANDLE h)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return 0;
return sth->pst->numSamples();
}
/// Returns nonzero if there aren't any samples available for outputting.
SOUNDTOUCHDLL_API int __stdcall soundtouch_isEmpty(HANDLE h)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return -1;
return sth->pst->isEmpty();
}
//////////////////////////////////////////////////////////////////////////////
///
/// SoundTouch DLL wrapper - wraps SoundTouch routines into a Dynamic Load
/// Library interface.
///
/// Author : Copyright (c) Olli Parviainen
/// Author e-mail : oparviai 'at' iki.fi
/// SoundTouch WWW: http://www.surina.net/soundtouch
///
////////////////////////////////////////////////////////////////////////////////
//
// $Id: SoundTouchDLL.cpp 96 2010-12-12 19:12:12Z oparviai $
//
////////////////////////////////////////////////////////////////////////////////
//
// 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
//
////////////////////////////////////////////////////////////////////////////////
#include <windows.h>
#include <string.h>
#include "SoundTouchDLL.h"
#include "soundtouch.h"
using namespace soundtouch;
BOOL APIENTRY DllMain( HANDLE hModule,
DWORD ul_reason_for_call,
LPVOID lpReserved
)
{
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
case DLL_THREAD_ATTACH:
case DLL_THREAD_DETACH:
case DLL_PROCESS_DETACH:
break;
}
return TRUE;
}
//////////////
typedef struct
{
DWORD dwMagic;
SoundTouch *pst;
} STHANDLE;
#define STMAGIC 0x1770C001
SOUNDTOUCHDLL_API HANDLE __stdcall soundtouch_createInstance()
{
STHANDLE *tmp = new STHANDLE;
if (tmp)
{
tmp->dwMagic = STMAGIC;
tmp->pst = new SoundTouch();
if (tmp->pst == NULL)
{
delete tmp;
tmp = NULL;
}
}
return (HANDLE)tmp;
}
SOUNDTOUCHDLL_API void __stdcall soundtouch_destroyInstance(HANDLE h)
{
/*
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
*/
/*
sth->dwMagic = 0;
delete sth->pst;
sth->pst = NULL;
delete sth;
*/
}
/// Get SoundTouch library version string
SOUNDTOUCHDLL_API const char *__stdcall soundtouch_getVersionString()
{
return SoundTouch::getVersionString();
}
/// Get SoundTouch library version string - alternative function for
/// environments that can't properly handle character string as return value
SOUNDTOUCHDLL_API void __stdcall soundtouch_getVersionString2(char* versionString, int bufferSize)
{
strncpy(versionString, SoundTouch::getVersionString(), bufferSize - 1);
versionString[bufferSize - 1] = 0;
}
/// Get SoundTouch library version Id
SOUNDTOUCHDLL_API uint __stdcall soundtouch_getVersionId()
{
return SoundTouch::getVersionId();
}
/// Sets new rate control value. Normal rate = 1.0, smaller values
/// represent slower rate, larger faster rates.
SOUNDTOUCHDLL_API void __stdcall soundtouch_setRate(HANDLE h, float newRate)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->setRate(newRate);
}
/// Sets new tempo control value. Normal tempo = 1.0, smaller values
/// represent slower tempo, larger faster tempo.
SOUNDTOUCHDLL_API void __stdcall soundtouch_setTempo(HANDLE h, float newTempo)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->setTempo(newTempo);
}
/// Sets new rate control value as a difference in percents compared
/// to the original rate (-50 .. +100 %)
SOUNDTOUCHDLL_API void __stdcall soundtouch_setRateChange(HANDLE h, float newRate)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->setRateChange(newRate);
}
/// Sets new tempo control value as a difference in percents compared
/// to the original tempo (-50 .. +100 %)
SOUNDTOUCHDLL_API void __stdcall soundtouch_setTempoChange(HANDLE h, float newTempo)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->setTempoChange(newTempo);
}
/// Sets new pitch control value. Original pitch = 1.0, smaller values
/// represent lower pitches, larger values higher pitch.
SOUNDTOUCHDLL_API void __stdcall soundtouch_setPitch(HANDLE h, float newPitch)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->setPitch(newPitch);
}
/// Sets pitch change in octaves compared to the original pitch
/// (-1.00 .. +1.00)
SOUNDTOUCHDLL_API void __stdcall soundtouch_setPitchOctaves(HANDLE h, float newPitch)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->setPitchOctaves(newPitch);
}
/// Sets pitch change in semi-tones compared to the original pitch
/// (-12 .. +12)
SOUNDTOUCHDLL_API void __stdcall soundtouch_setPitchSemiTones(HANDLE h, float newPitch)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->setPitchSemiTones(newPitch);
}
/// Sets the number of channels, 1 = mono, 2 = stereo
SOUNDTOUCHDLL_API void __stdcall soundtouch_setChannels(HANDLE h, uint numChannels)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->setChannels(numChannels);
}
/// Sets sample rate.
SOUNDTOUCHDLL_API void __stdcall soundtouch_setSampleRate(HANDLE h, uint srate)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->setSampleRate(srate);
}
/// Flushes the last samples from the processing pipeline to the output.
/// Clears also the internal processing buffers.
//
/// Note: This function is meant for extracting the last samples of a sound
/// stream. This function may introduce additional blank samples in the end
/// of the sound stream, and thus it's not recommended to call this function
/// in the middle of a sound stream.
SOUNDTOUCHDLL_API void __stdcall soundtouch_flush(HANDLE h)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->flush();
}
/// Adds 'numSamples' pcs of samples from the 'samples' memory position into
/// the input of the object. Notice that sample rate _has_to_ be set before
/// calling this function, otherwise throws a runtime_error exception.
SOUNDTOUCHDLL_API void __stdcall soundtouch_putSamples(HANDLE h,
const SAMPLETYPE *samples, ///< Pointer to sample buffer.
uint numSamples ///< Number of samples in buffer. Notice
///< that in case of stereo-sound a single sample
///< contains data for both channels.
)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->putSamples(samples, numSamples);
}
/// Clears all the samples in the object's output and internal processing
/// buffers.
SOUNDTOUCHDLL_API void __stdcall soundtouch_clear(HANDLE h)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return;
sth->pst->clear();
}
/// Changes a setting controlling the processing system behaviour. See the
/// 'SETTING_...' defines for available setting ID's.
///
/// \return 'TRUE' if the setting was succesfully changed
SOUNDTOUCHDLL_API BOOL __stdcall soundtouch_setSetting(HANDLE h,
int settingId, ///< Setting ID number. see SETTING_... defines.
int value ///< New setting value.
)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return FALSE;
return sth->pst->setSetting(settingId, value);
}
/// Reads a setting controlling the processing system behaviour. See the
/// 'SETTING_...' defines for available setting ID's.
///
/// \return the setting value.
SOUNDTOUCHDLL_API int __stdcall soundtouch_getSetting(HANDLE h,
int settingId ///< Setting ID number, see SETTING_... defines.
)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return -1;
return sth->pst->getSetting(settingId);
}
/// Returns number of samples currently unprocessed.
SOUNDTOUCHDLL_API uint __stdcall soundtouch_numUnprocessedSamples(HANDLE h)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return 0;
return sth->pst->numUnprocessedSamples();
}
/// 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.
SOUNDTOUCHDLL_API uint __stdcall soundtouch_receiveSamples(HANDLE h,
SAMPLETYPE *outBuffer, ///< Buffer where to copy output samples.
uint maxSamples ///< How many samples to receive at max.
)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return 0;
if (outBuffer)
{
return sth->pst->receiveSamples(outBuffer, maxSamples);
}
else
{
return sth->pst->receiveSamples(maxSamples);
}
}
/// Returns number of samples currently available.
SOUNDTOUCHDLL_API uint __stdcall soundtouch_numSamples(HANDLE h)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return 0;
return sth->pst->numSamples();
}
/// Returns nonzero if there aren't any samples available for outputting.
SOUNDTOUCHDLL_API int __stdcall soundtouch_isEmpty(HANDLE h)
{
STHANDLE *sth = (STHANDLE*)h;
if (sth->dwMagic != STMAGIC) return -1;
return sth->pst->isEmpty();
}