X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/1059e1cc0c2ecfa237406949aa26155b6a5b9154..66f23d4fabf89ad09adbd4dfc15ac6b5b2b7da83:/interpretor/lib/src/libsndfile-1.0.25/Octave/sndfile.cc diff --git a/interpretor/lib/src/libsndfile-1.0.25/Octave/sndfile.cc b/interpretor/lib/src/libsndfile-1.0.25/Octave/sndfile.cc deleted file mode 100644 index 6e9cd44..0000000 --- a/interpretor/lib/src/libsndfile-1.0.25/Octave/sndfile.cc +++ /dev/null @@ -1,405 +0,0 @@ -/* -** Copyright (C) 2007-2011 Erik de Castro Lopo -** -** This program 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 program 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 program; if not, write to the Free Software -** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -*/ - -#include - -#include "sndfile.h" - -#define FOUR_GIG (0x100000000LL) -#define BUFFER_FRAMES 8192 - - -static int format_of_str (const std::string & fmt) ; -static void string_of_format (std::string & fmt, int format) ; - - -DEFUN_DLD (sfversion, args, nargout , -"-*- texinfo -*-\n\ -@deftypefn {Loadable Function} {@var{version} =} sfversion ()\n\ -@cindex Reading sound files\n\ -Return a string containing the libsndfile version.\n\ -@seealso{sfread, sfwrite}\n\ -@end deftypefn") -{ char buffer [256] ; - octave_value_list retval ; - - /* Bail out if the input parameters are bad. */ - if (args.length () != 0 || nargout > 1) - { print_usage () ; - return retval ; - } ; - - sf_command (NULL, SFC_GET_LIB_VERSION, buffer, sizeof (buffer)) ; - - std::string version (buffer) ; - - retval.append (version) ; - return retval ; -} /* sfversion */ - - -DEFUN_DLD (sfread, args, nargout , -"-*- texinfo -*-\n\ -@deftypefn {Loadable Function} {@var{data},@var{srate},@var{format} =} sfread (@var{filename})\n\ -@cindex Reading sound files\n\ -Read a sound file from disk using libsndfile.\n\ -@seealso{sfversion, sfwrite}\n\ -@end deftypefn") -{ SNDFILE * file ; - SF_INFO sfinfo ; - - octave_value_list retval ; - - int nargin = args.length () ; - - /* Bail out if the input parameters are bad. */ - if ((nargin != 1) || !args (0) .is_string () || nargout < 1 || nargout > 3) - { print_usage () ; - return retval ; - } ; - - memset (&sfinfo, 0, sizeof (sfinfo)) ; - - std::string filename = args (0).string_value () ; - - if ((file = sf_open (filename.c_str (), SFM_READ, &sfinfo)) == NULL) - { error ("sfread: couldn't open file %s : %s", filename.c_str (), sf_strerror (NULL)) ; - return retval ; - } ; - - if (sfinfo.frames > FOUR_GIG) - printf ("This is a really huge file (%lld frames).\nYou may run out of memory trying to load it.\n", (long long) sfinfo.frames) ; - - dim_vector dim = dim_vector () ; - dim.resize (2) ; - dim (0) = sfinfo.frames ; - dim (1) = sfinfo.channels ; - - /* Should I be using Matrix instead? */ - NDArray out (dim, 0.0) ; - - float buffer [BUFFER_FRAMES * sfinfo.channels] ; - int readcount ; - sf_count_t total = 0 ; - - do - { readcount = sf_readf_float (file, buffer, BUFFER_FRAMES) ; - - /* Make sure we don't read more frames than we allocated. */ - if (total + readcount > sfinfo.frames) - readcount = sfinfo.frames - total ; - - for (int ch = 0 ; ch < sfinfo.channels ; ch++) - { for (int k = 0 ; k < readcount ; k++) - out (total + k, ch) = buffer [k * sfinfo.channels + ch] ; - } ; - - total += readcount ; - } while (readcount > 0 && total < sfinfo.frames) ; - - retval.append (out.squeeze ()) ; - - if (nargout >= 2) - retval.append ((octave_uint32) sfinfo.samplerate) ; - - if (nargout >= 3) - { std::string fmt ("") ; - string_of_format (fmt, sfinfo.format) ; - retval.append (fmt) ; - } ; - - /* Clean up. */ - sf_close (file) ; - - return retval ; -} /* sfread */ - -DEFUN_DLD (sfwrite, args, nargout , -"-*- texinfo -*-\n\ -@deftypefn {Function File} sfwrite (@var{filename},@var{data},@var{srate},@var{format})\n\ -Write a sound file to disk using libsndfile.\n\ -@seealso{sfread, sfversion}\n\ -@end deftypefn\n\ -") -{ SNDFILE * file ; - SF_INFO sfinfo ; - - octave_value_list retval ; - - int nargin = args.length () ; - - /* Bail out if the input parameters are bad. */ - if (nargin != 4 || !args (0).is_string () || !args (1).is_real_matrix () - || !args (2).is_real_scalar () || !args (3).is_string () - || nargout != 0) - { print_usage () ; - return retval ; - } ; - - std::string filename = args (0).string_value () ; - std::string format = args (3).string_value () ; - - memset (&sfinfo, 0, sizeof (sfinfo)) ; - - sfinfo.format = format_of_str (format) ; - if (sfinfo.format == 0) - { error ("Bad format '%s'", format.c_str ()) ; - return retval ; - } ; - - sfinfo.samplerate = lrint (args (2).scalar_value ()) ; - if (sfinfo.samplerate < 1) - { error ("Bad sample rate : %d.\n", sfinfo.samplerate) ; - return retval ; - } ; - - Matrix data = args (1).matrix_value () ; - long rows = args (1).rows () ; - long cols = args (1).columns () ; - - if (cols > rows) - { error ("Audio data should have one column per channel, but supplied data " - "has %ld rows and %ld columns.\n", rows, cols) ; - return retval ; - } ; - - sfinfo.channels = cols ; - - if ((file = sf_open (filename.c_str (), SFM_WRITE, &sfinfo)) == NULL) - { error ("Couldn't open file %s : %s", filename.c_str (), sf_strerror (NULL)) ; - return retval ; - } ; - - float buffer [BUFFER_FRAMES * sfinfo.channels] ; - int writecount ; - long total = 0 ; - - do - { - writecount = BUFFER_FRAMES ; - - /* Make sure we don't read more frames than we allocated. */ - if (total + writecount > rows) - writecount = rows - total ; - - for (int ch = 0 ; ch < sfinfo.channels ; ch++) - { for (int k = 0 ; k < writecount ; k++) - buffer [k * sfinfo.channels + ch] = data (total + k, ch) ; - } ; - - if (writecount > 0) - sf_writef_float (file, buffer, writecount) ; - - total += writecount ; - } while (writecount > 0 && total < rows) ; - - /* Clean up. */ - sf_close (file) ; - - return retval ; -} /* sfwrite */ - - -static void -str_split (const std::string & str, const std::string & delim, std::vector & output) -{ - unsigned int offset = 0 ; - size_t delim_index = 0 ; - - delim_index = str.find (delim, offset) ; - - while (delim_index != std::string::npos) - { - output.push_back (str.substr(offset, delim_index - offset)) ; - offset += delim_index - offset + delim.length () ; - delim_index = str.find (delim, offset) ; - } - - output.push_back (str.substr (offset)) ; -} /* str_split */ - -static int -hash_of_str (const std::string & str) -{ - int hash = 0 ; - - for (unsigned k = 0 ; k < str.length () ; k++) - hash = (hash * 3) + tolower (str [k]) ; - - return hash ; -} /* hash_of_str */ - -static int -major_format_of_hash (const std::string & str) -{ int hash ; - - hash = hash_of_str (str) ; - - switch (hash) - { - case 0x5c8 : /* 'wav' */ return SF_FORMAT_WAV ; - case 0xf84 : /* 'aiff' */ return SF_FORMAT_AIFF ; - case 0x198 : /* 'au' */ return SF_FORMAT_AU ; - case 0x579 : /* 'paf' */ return SF_FORMAT_PAF ; - case 0x5e5 : /* 'svx' */ return SF_FORMAT_SVX ; - case 0x1118 : /* 'nist' */ return SF_FORMAT_NIST ; - case 0x5d6 : /* 'voc' */ return SF_FORMAT_VOC ; - case 0x324a : /* 'ircam' */ return SF_FORMAT_IRCAM ; - case 0x505 : /* 'w64' */ return SF_FORMAT_W64 ; - case 0x1078 : /* 'mat4' */ return SF_FORMAT_MAT4 ; - case 0x1079 : /* 'mat5' */ return SF_FORMAT_MAT5 ; - case 0x5b8 : /* 'pvf' */ return SF_FORMAT_PVF ; - case 0x1d1 : /* 'xi' */ return SF_FORMAT_XI ; - case 0x56f : /* 'htk' */ return SF_FORMAT_HTK ; - case 0x5aa : /* 'sds' */ return SF_FORMAT_SDS ; - case 0x53d : /* 'avr' */ return SF_FORMAT_AVR ; - case 0x11d0 : /* 'wavx' */ return SF_FORMAT_WAVEX ; - case 0x569 : /* 'sd2' */ return SF_FORMAT_SD2 ; - case 0x1014 : /* 'flac' */ return SF_FORMAT_FLAC ; - case 0x504 : /* 'caf' */ return SF_FORMAT_CAF ; - case 0x5f6 : /* 'wve' */ return SF_FORMAT_WVE ; - default : break ; - } ; - - printf ("%s : hash '%s' -> 0x%x\n", __func__, str.c_str (), hash) ; - - return 0 ; -} /* major_format_of_hash */ - -static int -minor_format_of_hash (const std::string & str) -{ int hash ; - - hash = hash_of_str (str) ; - - switch (hash) - { - case 0x1085 : /* 'int8' */ return SF_FORMAT_PCM_S8 ; - case 0x358a : /* 'uint8' */ return SF_FORMAT_PCM_U8 ; - case 0x31b0 : /* 'int16' */ return SF_FORMAT_PCM_16 ; - case 0x31b1 : /* 'int24' */ return SF_FORMAT_PCM_24 ; - case 0x31b2 : /* 'int32' */ return SF_FORMAT_PCM_32 ; - case 0x3128 : /* 'float' */ return SF_FORMAT_FLOAT ; - case 0x937d : /* 'double' */ return SF_FORMAT_DOUBLE ; - case 0x11bd : /* 'ulaw' */ return SF_FORMAT_ULAW ; - case 0xfa1 : /* 'alaw' */ return SF_FORMAT_ALAW ; - case 0xfc361 : /* 'ima_adpcm' */ return SF_FORMAT_IMA_ADPCM ; - case 0x5739a : /* 'ms_adpcm' */ return SF_FORMAT_MS_ADPCM ; - case 0x9450 : /* 'gsm610' */ return SF_FORMAT_GSM610 ; - case 0x172a3 : /* 'g721_32' */ return SF_FORMAT_G721_32 ; - case 0x172d8 : /* 'g723_24' */ return SF_FORMAT_G723_24 ; - case 0x172da : /* 'g723_40' */ return SF_FORMAT_G723_40 ; - default : break ; - } ; - - printf ("%s : hash '%s' -> 0x%x\n", __func__, str.c_str (), hash) ; - - return 0 ; -} /* minor_format_of_hash */ - - -static const char * -string_of_major_format (int format) -{ - switch (format & SF_FORMAT_TYPEMASK) - { - case SF_FORMAT_WAV : return "wav" ; - case SF_FORMAT_AIFF : return "aiff" ; - case SF_FORMAT_AU : return "au" ; - case SF_FORMAT_PAF : return "paf" ; - case SF_FORMAT_SVX : return "svx" ; - case SF_FORMAT_NIST : return "nist" ; - case SF_FORMAT_VOC : return "voc" ; - case SF_FORMAT_IRCAM : return "ircam" ; - case SF_FORMAT_W64 : return "w64" ; - case SF_FORMAT_MAT4 : return "mat4" ; - case SF_FORMAT_MAT5 : return "mat5" ; - case SF_FORMAT_PVF : return "pvf" ; - case SF_FORMAT_XI : return "xi" ; - case SF_FORMAT_HTK : return "htk" ; - case SF_FORMAT_SDS : return "sds" ; - case SF_FORMAT_AVR : return "avr" ; - case SF_FORMAT_WAVEX : return "wavx" ; - case SF_FORMAT_SD2 : return "sd2" ; - case SF_FORMAT_FLAC : return "flac" ; - case SF_FORMAT_CAF : return "caf" ; - case SF_FORMAT_WVE : return "wfe" ; - default : break ; - } ; - - return "unknown" ; -} /* string_of_major_format */ - -static const char * -string_of_minor_format (int format) -{ - switch (format & SF_FORMAT_SUBMASK) - { - case SF_FORMAT_PCM_S8 : return "int8" ; - case SF_FORMAT_PCM_U8 : return "uint8" ; - case SF_FORMAT_PCM_16 : return "int16" ; - case SF_FORMAT_PCM_24 : return "int24" ; - case SF_FORMAT_PCM_32 : return "int32" ; - case SF_FORMAT_FLOAT : return "float" ; - case SF_FORMAT_DOUBLE : return "double" ; - case SF_FORMAT_ULAW : return "ulaw" ; - case SF_FORMAT_ALAW : return "alaw" ; - case SF_FORMAT_IMA_ADPCM : return "ima_adpcm" ; - case SF_FORMAT_MS_ADPCM : return "ms_adpcm" ; - case SF_FORMAT_GSM610 : return "gsm610" ; - case SF_FORMAT_G721_32 : return "g721_32" ; - case SF_FORMAT_G723_24 : return "g723_24" ; - case SF_FORMAT_G723_40 : return "g723_40" ; - default : break ; - } ; - - return "unknown" ; -} /* string_of_minor_format */ - -static int -format_of_str (const std::string & fmt) -{ - std::vector split ; - - str_split (fmt, "-", split) ; - - if (split.size () != 2) - return 0 ; - - int major_fmt = major_format_of_hash (split.at (0)) ; - if (major_fmt == 0) - return 0 ; - - int minor_fmt = minor_format_of_hash (split.at (1)) ; - if (minor_fmt == 0) - return 0 ; - - return major_fmt | minor_fmt ; -} /* format_of_str */ - -static void -string_of_format (std::string & fmt, int format) -{ - char buffer [64] ; - - snprintf (buffer, sizeof (buffer), "%s-%s", string_of_major_format (format), string_of_minor_format (format)) ; - - fmt = buffer ; - - return ; -} /* string_of_format */