comparison osx/include/sndfile.hh @ 2:cc5d363db385

Add OS/X 64-bit builds

+/*
+** Copyright (C) 2005-2011 Erik de Castro Lopo <[e-mail]>
+**
+** 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 */
+