| /* |
| ** Copyright (C) 2008-2011 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. |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <ctype.h> |
| |
| #include <sndfile.h> |
| |
| #define BLOCK_SIZE 512 |
| |
| static void |
| print_usage (char *progname) |
| { printf ("\nUsage : %s <input file> <output file>\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 */ |
| |