| /* |
| ** 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) ; |
| |
| //sf_format_check(&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 */ |
| |