mirror of
https://github.com/WinampDesktop/winamp.git
synced 2024-12-12 13:41:03 -05:00
229 lines
9.6 KiB
C
Vendored
229 lines
9.6 KiB
C
Vendored
//////////////////////////////////////////////////////////////////////////////
|
|
///
|
|
/// 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
|
|
///
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// 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 _SoundTouchDLL_h_
|
|
#define _SoundTouchDLL_h_
|
|
|
|
#if defined(_WIN32) || defined(WIN32)
|
|
// Windows
|
|
#ifndef __cplusplus
|
|
#error "Expected g++"
|
|
#endif
|
|
|
|
#ifdef DLL_EXPORTS
|
|
#define SOUNDTOUCHDLL_API extern "C" __declspec(dllexport)
|
|
#else
|
|
#define SOUNDTOUCHDLL_API extern "C" __declspec(dllimport)
|
|
#endif
|
|
|
|
#else
|
|
// GNU version
|
|
|
|
#if defined(DLL_EXPORTS) || defined(SoundTouchDLL_EXPORTS)
|
|
// GCC declaration for exporting functions
|
|
#define SOUNDTOUCHDLL_API extern "C" __attribute__((__visibility__("default")))
|
|
#else
|
|
// GCC doesn't require DLL imports
|
|
#define SOUNDTOUCHDLL_API
|
|
#endif
|
|
|
|
// Linux-replacements for Windows declarations:
|
|
#define __cdecl
|
|
typedef unsigned int DWORD;
|
|
#define FALSE 0
|
|
#define TRUE 1
|
|
|
|
#endif
|
|
|
|
typedef void * HANDLE;
|
|
|
|
/// Create a new instance of SoundTouch processor.
|
|
SOUNDTOUCHDLL_API HANDLE __cdecl soundtouch_createInstance();
|
|
|
|
/// Destroys a SoundTouch processor instance.
|
|
SOUNDTOUCHDLL_API void __cdecl soundtouch_destroyInstance(HANDLE h);
|
|
|
|
/// Get SoundTouch library version string
|
|
SOUNDTOUCHDLL_API const char *__cdecl soundtouch_getVersionString();
|
|
|
|
/// Get SoundTouch library version string - alternative function for
|
|
/// environments that can't properly handle character string as return value
|
|
SOUNDTOUCHDLL_API void __cdecl soundtouch_getVersionString2(char* versionString, int bufferSize);
|
|
|
|
/// Get SoundTouch library version Id
|
|
SOUNDTOUCHDLL_API unsigned int __cdecl soundtouch_getVersionId();
|
|
|
|
/// Sets new rate control value. Normal rate = 1.0, smaller values
|
|
/// represent slower rate, larger faster rates.
|
|
SOUNDTOUCHDLL_API void __cdecl soundtouch_setRate(HANDLE h, float newRate);
|
|
|
|
/// Sets new tempo control value. Normal tempo = 1.0, smaller values
|
|
/// represent slower tempo, larger faster tempo.
|
|
SOUNDTOUCHDLL_API void __cdecl soundtouch_setTempo(HANDLE h, float newTempo);
|
|
|
|
/// Sets new rate control value as a difference in percents compared
|
|
/// to the original rate (-50 .. +100 %);
|
|
SOUNDTOUCHDLL_API void __cdecl soundtouch_setRateChange(HANDLE h, float newRate);
|
|
|
|
/// Sets new tempo control value as a difference in percents compared
|
|
/// to the original tempo (-50 .. +100 %);
|
|
SOUNDTOUCHDLL_API void __cdecl soundtouch_setTempoChange(HANDLE h, float newTempo);
|
|
|
|
/// Sets new pitch control value. Original pitch = 1.0, smaller values
|
|
/// represent lower pitches, larger values higher pitch.
|
|
SOUNDTOUCHDLL_API void __cdecl soundtouch_setPitch(HANDLE h, float newPitch);
|
|
|
|
/// Sets pitch change in octaves compared to the original pitch
|
|
/// (-1.00 .. +1.00);
|
|
SOUNDTOUCHDLL_API void __cdecl soundtouch_setPitchOctaves(HANDLE h, float newPitch);
|
|
|
|
/// Sets pitch change in semi-tones compared to the original pitch
|
|
/// (-12 .. +12);
|
|
SOUNDTOUCHDLL_API void __cdecl soundtouch_setPitchSemiTones(HANDLE h, float newPitch);
|
|
|
|
|
|
/// Sets the number of channels, 1 = mono, 2 = stereo, n = multichannel
|
|
SOUNDTOUCHDLL_API void __cdecl soundtouch_setChannels(HANDLE h, unsigned int numChannels);
|
|
|
|
/// Sets sample rate.
|
|
SOUNDTOUCHDLL_API void __cdecl soundtouch_setSampleRate(HANDLE h, unsigned int 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 __cdecl soundtouch_flush(HANDLE h);
|
|
|
|
/// 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 __cdecl soundtouch_putSamples(HANDLE h,
|
|
const float *samples, ///< Pointer to sample buffer.
|
|
unsigned int numSamples ///< Number of sample frames in buffer. Notice
|
|
///< that in case of multi-channel sound a single
|
|
///< sample frame contains data for all channels.
|
|
);
|
|
|
|
/// int16 version of soundtouch_putSamples(): This accept int16 (short) sample data
|
|
/// and internally converts it to float format before processing
|
|
SOUNDTOUCHDLL_API void __cdecl soundtouch_putSamples_i16(HANDLE h,
|
|
const short *samples, ///< Pointer to sample buffer.
|
|
unsigned int numSamples ///< Number of sample frames in buffer. Notice
|
|
///< that in case of multi-channel sound a single
|
|
///< sample frame contains data for all channels.
|
|
);
|
|
|
|
|
|
/// Clears all the samples in the object's output and internal processing
|
|
/// buffers.
|
|
SOUNDTOUCHDLL_API void __cdecl soundtouch_clear(HANDLE h);
|
|
|
|
/// Changes a setting controlling the processing system behaviour. See the
|
|
/// 'SETTING_...' defines for available setting ID's.
|
|
///
|
|
/// \return 'nonzero' if the setting was successfully changed, otherwise zero
|
|
SOUNDTOUCHDLL_API int __cdecl soundtouch_setSetting(HANDLE h,
|
|
int settingId, ///< Setting ID number. see SETTING_... defines.
|
|
int value ///< New setting 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 __cdecl soundtouch_getSetting(HANDLE h,
|
|
int settingId ///< Setting ID number, see SETTING_... defines.
|
|
);
|
|
|
|
|
|
/// Returns number of samples currently unprocessed.
|
|
SOUNDTOUCHDLL_API unsigned int __cdecl soundtouch_numUnprocessedSamples(HANDLE h);
|
|
|
|
/// 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 unsigned int __cdecl soundtouch_receiveSamples(HANDLE h,
|
|
float *outBuffer, ///< Buffer where to copy output samples.
|
|
unsigned int maxSamples ///< How many samples to receive at max.
|
|
);
|
|
|
|
|
|
/// int16 version of soundtouch_receiveSamples(): This converts internal float samples
|
|
/// into int16 (short) return data type
|
|
SOUNDTOUCHDLL_API unsigned int __cdecl soundtouch_receiveSamples_i16(HANDLE h,
|
|
short *outBuffer, ///< Buffer where to copy output samples.
|
|
unsigned int maxSamples ///< How many samples to receive at max.
|
|
);
|
|
|
|
/// Returns number of samples currently available.
|
|
SOUNDTOUCHDLL_API unsigned int __cdecl soundtouch_numSamples(HANDLE h);
|
|
|
|
/// Returns nonzero if there aren't any samples available for outputting.
|
|
SOUNDTOUCHDLL_API int __cdecl soundtouch_isEmpty(HANDLE h);
|
|
|
|
/// Create a new instance of BPM detector
|
|
SOUNDTOUCHDLL_API HANDLE __cdecl bpm_createInstance(int numChannels, int sampleRate);
|
|
|
|
/// Destroys a BPM detector instance.
|
|
SOUNDTOUCHDLL_API void __cdecl bpm_destroyInstance(HANDLE h);
|
|
|
|
/// Feed 'numSamples' sample frames from 'samples' into the BPM detector.
|
|
SOUNDTOUCHDLL_API void __cdecl bpm_putSamples(HANDLE h,
|
|
const float *samples, ///< Pointer to sample buffer.
|
|
unsigned int numSamples ///< Number of samples in buffer. Notice
|
|
///< that in case of stereo-sound a single sample
|
|
///< contains data for both channels.
|
|
);
|
|
|
|
/// Feed 'numSamples' sample frames from 'samples' into the BPM detector.
|
|
/// 16bit int sample format version.
|
|
SOUNDTOUCHDLL_API void __cdecl bpm_putSamples_i16(HANDLE h,
|
|
const short *samples, ///< Pointer to sample buffer.
|
|
unsigned int numSamples ///< Number of samples in buffer. Notice
|
|
///< that in case of stereo-sound a single sample
|
|
///< contains data for both channels.
|
|
);
|
|
|
|
/// Analyzes the results and returns the BPM rate. Use this function to read result
|
|
/// after whole song data has been input to the class by consecutive calls of
|
|
/// 'inputSamples' function.
|
|
///
|
|
/// \return Beats-per-minute rate, or zero if detection failed.
|
|
SOUNDTOUCHDLL_API float __cdecl bpm_getBpm(HANDLE h);
|
|
|
|
#endif // _SoundTouchDLL_h_
|
|
|