Alexandre Lision | 7c6f4a6 | 2013-09-05 13:27:01 -0400 | [diff] [blame] | 1 | /* |
| 2 | ** Copyright (C) 2008-2011 Erik de Castro Lopo <erikd@mega-nerd.com> |
| 3 | ** |
| 4 | ** All rights reserved. |
| 5 | ** |
| 6 | ** Redistribution and use in source and binary forms, with or without |
| 7 | ** modification, are permitted provided that the following conditions are |
| 8 | ** met: |
| 9 | ** |
| 10 | ** * Redistributions of source code must retain the above copyright |
| 11 | ** notice, this list of conditions and the following disclaimer. |
| 12 | ** * Redistributions in binary form must reproduce the above copyright |
| 13 | ** notice, this list of conditions and the following disclaimer in |
| 14 | ** the documentation and/or other materials provided with the |
| 15 | ** distribution. |
| 16 | ** * Neither the author nor the names of any contributors may be used |
| 17 | ** to endorse or promote products derived from this software without |
| 18 | ** specific prior written permission. |
| 19 | ** |
| 20 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 22 | ** TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 23 | ** PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| 24 | ** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 25 | ** EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 26 | ** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 27 | ** OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 28 | ** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 29 | ** OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 30 | ** ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | #include <stdio.h> |
| 34 | #include <stdlib.h> |
| 35 | #include <string.h> |
| 36 | #include <ctype.h> |
| 37 | |
| 38 | #include <sndfile.h> |
| 39 | |
| 40 | #define BLOCK_SIZE 512 |
| 41 | |
| 42 | static void |
| 43 | print_usage (char *progname) |
| 44 | { printf ("\nUsage : %s <input file> <output file>\n", progname) ; |
| 45 | puts ("\n" |
| 46 | " Where the output file will contain a line for each frame\n" |
| 47 | " and a column for each channel.\n" |
| 48 | ) ; |
| 49 | |
| 50 | } /* print_usage */ |
| 51 | |
| 52 | static void |
| 53 | convert_to_text (SNDFILE * infile, FILE * outfile, int channels) |
| 54 | { float buf [channels * BLOCK_SIZE] ; |
| 55 | int k, m, readcount ; |
| 56 | |
| 57 | while ((readcount = sf_readf_float (infile, buf, BLOCK_SIZE)) > 0) |
| 58 | { for (k = 0 ; k < readcount ; k++) |
| 59 | { for (m = 0 ; m < channels ; m++) |
| 60 | fprintf (outfile, " % 12.10f", buf [k * channels + m]) ; |
| 61 | fprintf (outfile, "\n") ; |
| 62 | } ; |
| 63 | } ; |
| 64 | |
| 65 | return ; |
| 66 | } /* convert_to_text */ |
| 67 | |
| 68 | int |
| 69 | main (int argc, char * argv []) |
| 70 | { char *progname, *infilename, *outfilename ; |
| 71 | SNDFILE *infile = NULL ; |
| 72 | FILE *outfile = NULL ; |
| 73 | SF_INFO sfinfo ; |
| 74 | |
| 75 | progname = strrchr (argv [0], '/') ; |
| 76 | progname = progname ? progname + 1 : argv [0] ; |
| 77 | |
| 78 | if (argc != 3) |
| 79 | { print_usage (progname) ; |
| 80 | return 1 ; |
| 81 | } ; |
| 82 | |
| 83 | infilename = argv [1] ; |
| 84 | outfilename = argv [2] ; |
| 85 | |
| 86 | if (strcmp (infilename, outfilename) == 0) |
| 87 | { printf ("Error : Input and output filenames are the same.\n\n") ; |
| 88 | print_usage (progname) ; |
| 89 | return 1 ; |
| 90 | } ; |
| 91 | |
| 92 | if (infilename [0] == '-') |
| 93 | { printf ("Error : Input filename (%s) looks like an option.\n\n", infilename) ; |
| 94 | print_usage (progname) ; |
| 95 | return 1 ; |
| 96 | } ; |
| 97 | |
| 98 | if (outfilename [0] == '-') |
| 99 | { printf ("Error : Output filename (%s) looks like an option.\n\n", outfilename) ; |
| 100 | print_usage (progname) ; |
| 101 | return 1 ; |
| 102 | } ; |
| 103 | |
| 104 | if ((infile = sf_open (infilename, SFM_READ, &sfinfo)) == NULL) |
| 105 | { printf ("Not able to open input file %s.\n", infilename) ; |
| 106 | puts (sf_strerror (NULL)) ; |
| 107 | return 1 ; |
| 108 | } ; |
| 109 | |
| 110 | /* Open the output file. */ |
| 111 | if ((outfile = fopen (outfilename, "w")) == NULL) |
| 112 | { printf ("Not able to open output file %s : %s\n", outfilename, sf_strerror (NULL)) ; |
| 113 | return 1 ; |
| 114 | } ; |
| 115 | |
| 116 | fprintf (outfile, "# Converted from file %s.\n", infilename) ; |
| 117 | fprintf (outfile, "# Channels %d, Sample rate %d\n", sfinfo.channels, sfinfo.samplerate) ; |
| 118 | |
| 119 | convert_to_text (infile, outfile, sfinfo.channels) ; |
| 120 | |
| 121 | sf_close (infile) ; |
| 122 | fclose (outfile) ; |
| 123 | |
| 124 | return 0 ; |
| 125 | } /* main */ |
| 126 | |