diff options
Diffstat (limited to 'pysoundtouch/soundtouch/source/SoundTouchDLL/SoundTouchDLL.cpp')
| -rw-r--r-- | pysoundtouch/soundtouch/source/SoundTouchDLL/SoundTouchDLL.cpp | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/pysoundtouch/soundtouch/source/SoundTouchDLL/SoundTouchDLL.cpp b/pysoundtouch/soundtouch/source/SoundTouchDLL/SoundTouchDLL.cpp new file mode 100644 index 0000000..485811c --- /dev/null +++ b/pysoundtouch/soundtouch/source/SoundTouchDLL/SoundTouchDLL.cpp @@ -0,0 +1,327 @@ +//////////////////////////////////////////////////////////////////////////////
+///
+/// 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 65 2009-02-23 08:33:13Z 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 "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 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();
+}
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