+++ /dev/null
-/*
-** Copyright (C) 2005-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
-**
-** All rights reserved.
-**
-** Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-**
-** * Redistributions of source code must retain the above copyright
-** notice, this list of conditions and the following disclaimer.
-** * Redistributions in binary form must reproduce the above copyright
-** notice, this list of conditions and the following disclaimer in
-** the documentation and/or other materials provided with the
-** distribution.
-** * Neither the author nor the names of any contributors may be used
-** to endorse or promote products derived from this software without
-** specific prior written permission.
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
-** TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-** PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
-** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-** EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
-** OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-** OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-** ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-/*
-** The above modified BSD style license (GPL and LGPL compatible) applies to
-** this file. It does not apply to libsndfile itself which is released under
-** the GNU LGPL or the libsndfile test suite which is released under the GNU
-** GPL.
-** This means that this header file can be used under this modified BSD style
-** license, but the LGPL still holds for the libsndfile library itself.
-*/
-
-/*
-** sndfile.hh -- A lightweight C++ wrapper for the libsndfile API.
-**
-** All the methods are inlines and all functionality is contained in this
-** file. There is no separate implementation file.
-**
-** API documentation is in the doc/ directory of the source code tarball
-** and at http://www.mega-nerd.com/libsndfile/api.html.
-*/
-
-#ifndef SNDFILE_HH
-#define SNDFILE_HH
-
-#include <sndfile.h>
-
-#include <string>
-#include <new> // for std::nothrow
-
-class SndfileHandle
-{ private :
- struct SNDFILE_ref
- { SNDFILE_ref (void) ;
- ~SNDFILE_ref (void) ;
-
- SNDFILE *sf ;
- SF_INFO sfinfo ;
- int ref ;
- } ;
-
- SNDFILE_ref *p ;
-
- public :
- /* Default constructor */
- SndfileHandle (void) : p (NULL) {} ;
- SndfileHandle (const char *path, int mode = SFM_READ,
- int format = 0, int channels = 0, int samplerate = 0) ;
- SndfileHandle (std::string const & path, int mode = SFM_READ,
- int format = 0, int channels = 0, int samplerate = 0) ;
- SndfileHandle (int fd, bool close_desc, int mode = SFM_READ,
- int format = 0, int channels = 0, int samplerate = 0) ;
-
-#ifdef ENABLE_SNDFILE_WINDOWS_PROTOTYPES
- SndfileHandle (LPCWSTR wpath, int mode = SFM_READ,
- int format = 0, int channels = 0, int samplerate = 0) ;
-#endif
-
- ~SndfileHandle (void) ;
-
- SndfileHandle (const SndfileHandle &orig) ;
- SndfileHandle & operator = (const SndfileHandle &rhs) ;
-
- /* Mainly for debugging/testing. */
- int refCount (void) const { return (p == NULL) ? 0 : p->ref ; }
-
- operator bool () const { return (p != NULL) ; }
-
- bool operator == (const SndfileHandle &rhs) const { return (p == rhs.p) ; }
-
- sf_count_t frames (void) const { return p ? p->sfinfo.frames : 0 ; }
- int format (void) const { return p ? p->sfinfo.format : 0 ; }
- int channels (void) const { return p ? p->sfinfo.channels : 0 ; }
- int samplerate (void) const { return p ? p->sfinfo.samplerate : 0 ; }
-
- int error (void) const ;
- const char * strError (void) const ;
-
- int command (int cmd, void *data, int datasize) ;
-
- sf_count_t seek (sf_count_t frames, int whence) ;
-
- void writeSync (void) ;
-
- int setString (int str_type, const char* str) ;
-
- const char* getString (int str_type) const ;
-
- static int formatCheck (int format, int channels, int samplerate) ;
-
- sf_count_t read (short *ptr, sf_count_t items) ;
- sf_count_t read (int *ptr, sf_count_t items) ;
- sf_count_t read (float *ptr, sf_count_t items) ;
- sf_count_t read (double *ptr, sf_count_t items) ;
-
- sf_count_t write (const short *ptr, sf_count_t items) ;
- sf_count_t write (const int *ptr, sf_count_t items) ;
- sf_count_t write (const float *ptr, sf_count_t items) ;
- sf_count_t write (const double *ptr, sf_count_t items) ;
-
- sf_count_t readf (short *ptr, sf_count_t frames) ;
- sf_count_t readf (int *ptr, sf_count_t frames) ;
- sf_count_t readf (float *ptr, sf_count_t frames) ;
- sf_count_t readf (double *ptr, sf_count_t frames) ;
-
- sf_count_t writef (const short *ptr, sf_count_t frames) ;
- sf_count_t writef (const int *ptr, sf_count_t frames) ;
- sf_count_t writef (const float *ptr, sf_count_t frames) ;
- sf_count_t writef (const double *ptr, sf_count_t frames) ;
-
- sf_count_t readRaw (void *ptr, sf_count_t bytes) ;
- sf_count_t writeRaw (const void *ptr, sf_count_t bytes) ;
-
- /**< Raw access to the handle. SndfileHandle keeps ownership. */
- SNDFILE * rawHandle (void) ;
-
- /**< Take ownership of handle, iff reference count is 1. */
- SNDFILE * takeOwnership (void) ;
-} ;
-
-/*==============================================================================
-** Nothing but implementation below.
-*/
-
-inline
-SndfileHandle::SNDFILE_ref::SNDFILE_ref (void)
-: ref (1)
-{}
-
-inline
-SndfileHandle::SNDFILE_ref::~SNDFILE_ref (void)
-{ if (sf != NULL) sf_close (sf) ; }
-
-inline
-SndfileHandle::SndfileHandle (const char *path, int mode, int fmt, int chans, int srate)
-: p (NULL)
-{
- p = new (std::nothrow) SNDFILE_ref () ;
-
- if (p != NULL)
- { p->ref = 1 ;
-
- p->sfinfo.frames = 0 ;
- p->sfinfo.channels = chans ;
- p->sfinfo.format = fmt ;
- p->sfinfo.samplerate = srate ;
- p->sfinfo.sections = 0 ;
- p->sfinfo.seekable = 0 ;
-
- p->sf = sf_open (path, mode, &p->sfinfo) ;
- } ;
-
- return ;
-} /* SndfileHandle const char * constructor */
-
-inline
-SndfileHandle::SndfileHandle (std::string const & path, int mode, int fmt, int chans, int srate)
-: p (NULL)
-{
- p = new (std::nothrow) SNDFILE_ref () ;
-
- if (p != NULL)
- { p->ref = 1 ;
-
- p->sfinfo.frames = 0 ;
- p->sfinfo.channels = chans ;
- p->sfinfo.format = fmt ;
- p->sfinfo.samplerate = srate ;
- p->sfinfo.sections = 0 ;
- p->sfinfo.seekable = 0 ;
-
- p->sf = sf_open (path.c_str (), mode, &p->sfinfo) ;
- } ;
-
- return ;
-} /* SndfileHandle std::string constructor */
-
-inline
-SndfileHandle::SndfileHandle (int fd, bool close_desc, int mode, int fmt, int chans, int srate)
-: p (NULL)
-{
- if (fd < 0)
- return ;
-
- p = new (std::nothrow) SNDFILE_ref () ;
-
- if (p != NULL)
- { p->ref = 1 ;
-
- p->sfinfo.frames = 0 ;
- p->sfinfo.channels = chans ;
- p->sfinfo.format = fmt ;
- p->sfinfo.samplerate = srate ;
- p->sfinfo.sections = 0 ;
- p->sfinfo.seekable = 0 ;
-
- p->sf = sf_open_fd (fd, mode, &p->sfinfo, close_desc) ;
- } ;
-
- return ;
-} /* SndfileHandle fd constructor */
-
-inline
-SndfileHandle::~SndfileHandle (void)
-{ if (p != NULL && --p->ref == 0)
- delete p ;
-} /* SndfileHandle destructor */
-
-
-inline
-SndfileHandle::SndfileHandle (const SndfileHandle &orig)
-: p (orig.p)
-{ if (p != NULL)
- ++p->ref ;
-} /* SndfileHandle copy constructor */
-
-inline SndfileHandle &
-SndfileHandle::operator = (const SndfileHandle &rhs)
-{
- if (&rhs == this)
- return *this ;
- if (p != NULL && --p->ref == 0)
- delete p ;
-
- p = rhs.p ;
- if (p != NULL)
- ++p->ref ;
-
- return *this ;
-} /* SndfileHandle assignment operator */
-
-inline int
-SndfileHandle::error (void) const
-{ return sf_error (p->sf) ; }
-
-inline const char *
-SndfileHandle::strError (void) const
-{ return sf_strerror (p->sf) ; }
-
-inline int
-SndfileHandle::command (int cmd, void *data, int datasize)
-{ return sf_command (p->sf, cmd, data, datasize) ; }
-
-inline sf_count_t
-SndfileHandle::seek (sf_count_t frame_count, int whence)
-{ return sf_seek (p->sf, frame_count, whence) ; }
-
-inline void
-SndfileHandle::writeSync (void)
-{ sf_write_sync (p->sf) ; }
-
-inline int
-SndfileHandle::setString (int str_type, const char* str)
-{ return sf_set_string (p->sf, str_type, str) ; }
-
-inline const char*
-SndfileHandle::getString (int str_type) const
-{ return sf_get_string (p->sf, str_type) ; }
-
-inline int
-SndfileHandle::formatCheck (int fmt, int chans, int srate)
-{
- SF_INFO sfinfo ;
-
- sfinfo.frames = 0 ;
- sfinfo.channels = chans ;
- sfinfo.format = fmt ;
- sfinfo.samplerate = srate ;
- sfinfo.sections = 0 ;
- sfinfo.seekable = 0 ;
-
- return sf_format_check (&sfinfo) ;
-}
-
-/*---------------------------------------------------------------------*/
-
-inline sf_count_t
-SndfileHandle::read (short *ptr, sf_count_t items)
-{ return sf_read_short (p->sf, ptr, items) ; }
-
-inline sf_count_t
-SndfileHandle::read (int *ptr, sf_count_t items)
-{ return sf_read_int (p->sf, ptr, items) ; }
-
-inline sf_count_t
-SndfileHandle::read (float *ptr, sf_count_t items)
-{ return sf_read_float (p->sf, ptr, items) ; }
-
-inline sf_count_t
-SndfileHandle::read (double *ptr, sf_count_t items)
-{ return sf_read_double (p->sf, ptr, items) ; }
-
-inline sf_count_t
-SndfileHandle::write (const short *ptr, sf_count_t items)
-{ return sf_write_short (p->sf, ptr, items) ; }
-
-inline sf_count_t
-SndfileHandle::write (const int *ptr, sf_count_t items)
-{ return sf_write_int (p->sf, ptr, items) ; }
-
-inline sf_count_t
-SndfileHandle::write (const float *ptr, sf_count_t items)
-{ return sf_write_float (p->sf, ptr, items) ; }
-
-inline sf_count_t
-SndfileHandle::write (const double *ptr, sf_count_t items)
-{ return sf_write_double (p->sf, ptr, items) ; }
-
-inline sf_count_t
-SndfileHandle::readf (short *ptr, sf_count_t frame_count)
-{ return sf_readf_short (p->sf, ptr, frame_count) ; }
-
-inline sf_count_t
-SndfileHandle::readf (int *ptr, sf_count_t frame_count)
-{ return sf_readf_int (p->sf, ptr, frame_count) ; }
-
-inline sf_count_t
-SndfileHandle::readf (float *ptr, sf_count_t frame_count)
-{ return sf_readf_float (p->sf, ptr, frame_count) ; }
-
-inline sf_count_t
-SndfileHandle::readf (double *ptr, sf_count_t frame_count)
-{ return sf_readf_double (p->sf, ptr, frame_count) ; }
-
-inline sf_count_t
-SndfileHandle::writef (const short *ptr, sf_count_t frame_count)
-{ return sf_writef_short (p->sf, ptr, frame_count) ; }
-
-inline sf_count_t
-SndfileHandle::writef (const int *ptr, sf_count_t frame_count)
-{ return sf_writef_int (p->sf, ptr, frame_count) ; }
-
-inline sf_count_t
-SndfileHandle::writef (const float *ptr, sf_count_t frame_count)
-{ return sf_writef_float (p->sf, ptr, frame_count) ; }
-
-inline sf_count_t
-SndfileHandle::writef (const double *ptr, sf_count_t frame_count)
-{ return sf_writef_double (p->sf, ptr, frame_count) ; }
-
-inline sf_count_t
-SndfileHandle::readRaw (void *ptr, sf_count_t bytes)
-{ return sf_read_raw (p->sf, ptr, bytes) ; }
-
-inline sf_count_t
-SndfileHandle::writeRaw (const void *ptr, sf_count_t bytes)
-{ return sf_write_raw (p->sf, ptr, bytes) ; }
-
-inline SNDFILE *
-SndfileHandle::rawHandle (void)
-{ return (p ? p->sf : NULL) ; }
-
-inline SNDFILE *
-SndfileHandle::takeOwnership (void)
-{
- if (p == NULL || (p->ref != 1))
- return NULL ;
-
- SNDFILE * sf = p->sf ;
- p->sf = NULL ;
- delete p ;
- p = NULL ;
- return sf ;
-}
-
-#ifdef ENABLE_SNDFILE_WINDOWS_PROTOTYPES
-
-inline
-SndfileHandle::SndfileHandle (LPCWSTR wpath, int mode, int fmt, int chans, int srate)
-: p (NULL)
-{
- p = new (std::nothrow) SNDFILE_ref () ;
-
- if (p != NULL)
- { p->ref = 1 ;
-
- p->sfinfo.frames = 0 ;
- p->sfinfo.channels = chans ;
- p->sfinfo.format = fmt ;
- p->sfinfo.samplerate = srate ;
- p->sfinfo.sections = 0 ;
- p->sfinfo.seekable = 0 ;
-
- p->sf = sf_wchar_open (wpath, mode, &p->sfinfo) ;
- } ;
-
- return ;
-} /* SndfileHandle const wchar_t * constructor */
-
-#endif
-
-#endif /* SNDFILE_HH */
-
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