X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/1059e1cc0c2ecfa237406949aa26155b6a5b9154..66f23d4fabf89ad09adbd4dfc15ac6b5b2b7da83:/interpreter/lib/src/libsndfile-1.0.25/examples/sndfile-to-text.c?ds=sidebyside diff --git a/interpreter/lib/src/libsndfile-1.0.25/examples/sndfile-to-text.c b/interpreter/lib/src/libsndfile-1.0.25/examples/sndfile-to-text.c new file mode 100644 index 0000000..7a7a219 --- /dev/null +++ b/interpreter/lib/src/libsndfile-1.0.25/examples/sndfile-to-text.c @@ -0,0 +1,126 @@ +/* +** Copyright (C) 2008-2011 Erik de Castro Lopo +** +** 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. +*/ + +#include +#include +#include +#include + +#include + +#define BLOCK_SIZE 512 + +static void +print_usage (char *progname) +{ printf ("\nUsage : %s \n", progname) ; + puts ("\n" + " Where the output file will contain a line for each frame\n" + " and a column for each channel.\n" + ) ; + +} /* print_usage */ + +static void +convert_to_text (SNDFILE * infile, FILE * outfile, int channels) +{ float buf [channels * BLOCK_SIZE] ; + int k, m, readcount ; + + while ((readcount = sf_readf_float (infile, buf, BLOCK_SIZE)) > 0) + { for (k = 0 ; k < readcount ; k++) + { for (m = 0 ; m < channels ; m++) + fprintf (outfile, " % 12.10f", buf [k * channels + m]) ; + fprintf (outfile, "\n") ; + } ; + } ; + + return ; +} /* convert_to_text */ + +int +main (int argc, char * argv []) +{ char *progname, *infilename, *outfilename ; + SNDFILE *infile = NULL ; + FILE *outfile = NULL ; + SF_INFO sfinfo ; + + progname = strrchr (argv [0], '/') ; + progname = progname ? progname + 1 : argv [0] ; + + if (argc != 3) + { print_usage (progname) ; + return 1 ; + } ; + + infilename = argv [1] ; + outfilename = argv [2] ; + + if (strcmp (infilename, outfilename) == 0) + { printf ("Error : Input and output filenames are the same.\n\n") ; + print_usage (progname) ; + return 1 ; + } ; + + if (infilename [0] == '-') + { printf ("Error : Input filename (%s) looks like an option.\n\n", infilename) ; + print_usage (progname) ; + return 1 ; + } ; + + if (outfilename [0] == '-') + { printf ("Error : Output filename (%s) looks like an option.\n\n", outfilename) ; + print_usage (progname) ; + return 1 ; + } ; + + if ((infile = sf_open (infilename, SFM_READ, &sfinfo)) == NULL) + { printf ("Not able to open input file %s.\n", infilename) ; + puts (sf_strerror (NULL)) ; + return 1 ; + } ; + + /* Open the output file. */ + if ((outfile = fopen (outfilename, "w")) == NULL) + { printf ("Not able to open output file %s : %s\n", outfilename, sf_strerror (NULL)) ; + return 1 ; + } ; + + fprintf (outfile, "# Converted from file %s.\n", infilename) ; + fprintf (outfile, "# Channels %d, Sample rate %d\n", sfinfo.channels, sfinfo.samplerate) ; + + convert_to_text (infile, outfile, sfinfo.channels) ; + + sf_close (infile) ; + fclose (outfile) ; + + return 0 ; +} /* main */ +