8a92332978812b81ed322065a0b8648dfec40113
[Faustine.git] / interpretor / libsndfile-1.0.25 / examples / generate.c
1 /*
2 ** Copyright (C) 2002-2011 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 "sfconfig.h"
34
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <string.h>
38 #include <math.h>
39
40 #include <sndfile.h>
41
42 #define BUFFER_LEN 4096
43
44 static void encode_file (const char *infilename, const char *outfilename, int filetype) ;
45
46 int
47 main (int argc, char **argv)
48 {
49 if (argc != 2)
50 { puts ("\nEncode a single input file into a number of different output ") ;
51 puts ("encodings. These output encodings can then be moved to another ") ;
52 puts ("OS for testing.\n") ;
53 puts (" Usage : generate <filename>\n") ;
54 exit (1) ;
55 } ;
56
57 /* A couple of standard WAV files. Make sure Win32 plays these. */
58 encode_file (argv [1], "pcmu8.wav" , SF_FORMAT_WAV | SF_FORMAT_PCM_U8) ;
59 encode_file (argv [1], "pcm16.wav" , SF_FORMAT_WAV | SF_FORMAT_PCM_16) ;
60 encode_file (argv [1], "imaadpcm.wav", SF_FORMAT_WAV | SF_FORMAT_MS_ADPCM) ;
61 encode_file (argv [1], "msadpcm.wav", SF_FORMAT_WAV | SF_FORMAT_IMA_ADPCM) ;
62 encode_file (argv [1], "gsm610.wav" , SF_FORMAT_WAV | SF_FORMAT_GSM610) ;
63
64 /* Soundforge W64. */
65 encode_file (argv [1], "pcmu8.w64" , SF_FORMAT_W64 | SF_FORMAT_PCM_U8) ;
66 encode_file (argv [1], "pcm16.w64" , SF_FORMAT_W64 | SF_FORMAT_PCM_16) ;
67 encode_file (argv [1], "imaadpcm.w64", SF_FORMAT_W64 | SF_FORMAT_MS_ADPCM) ;
68 encode_file (argv [1], "msadpcm.w64", SF_FORMAT_W64 | SF_FORMAT_IMA_ADPCM) ;
69 encode_file (argv [1], "gsm610.w64" , SF_FORMAT_W64 | SF_FORMAT_GSM610) ;
70
71 return 0 ;
72 } /* main */
73
74 /*============================================================================================
75 ** Helper functions and macros.
76 */
77
78 #define PUT_DOTS(k) \
79 { while (k--) \
80 putchar ('.') ; \
81 putchar (' ') ; \
82 }
83
84 /*========================================================================================
85 */
86
87 static void
88 encode_file (const char *infilename, const char *outfilename, int filetype)
89 { static float buffer [BUFFER_LEN] ;
90
91 SNDFILE *infile, *outfile ;
92 SF_INFO sfinfo ;
93 int k, readcount ;
94
95 printf (" %s -> %s ", infilename, outfilename) ;
96 fflush (stdout) ;
97
98 k = 16 - strlen (outfilename) ;
99 PUT_DOTS (k) ;
100
101 if (! (infile = sf_open (infilename, SFM_READ, &sfinfo)))
102 { printf ("Error : could not open file : %s\n", infilename) ;
103 puts (sf_strerror (NULL)) ;
104 exit (1) ;
105 }
106
107 sfinfo.format = filetype ;
108
109 if (! sf_format_check (&sfinfo))
110 { sf_close (infile) ;
111 printf ("Invalid encoding\n") ;
112 return ;
113 } ;
114
115 if (! (outfile = sf_open (outfilename, SFM_WRITE, &sfinfo)))
116 { printf ("Error : could not open file : %s\n", outfilename) ;
117 puts (sf_strerror (NULL)) ;
118 exit (1) ;
119 } ;
120
121 while ((readcount = sf_read_float (infile, buffer, BUFFER_LEN)) > 0)
122 sf_write_float (outfile, buffer, readcount) ;
123
124 sf_close (infile) ;
125 sf_close (outfile) ;
126
127 printf ("ok\n") ;
128
129 return ;
130 } /* encode_file */
131