6c570ffb18a10e9e4fbc9e5b0188c3ea711c883c
[Faustine.git] / interpretor / lib / src / libsndfile-1.0.25 / tests / dither_test.c
1 /*
2 ** Copyright (C) 2003-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
3 **
4 ** This program is free software; you can redistribute it and/or modify
5 ** it under the terms of the GNU General Public License as published by
6 ** the Free Software Foundation; either version 2 of the License, or
7 ** (at your option) any later version.
8 **
9 ** This program is distributed in the hope that it will be useful,
10 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
11 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 ** GNU General Public License for more details.
13 **
14 ** You should have received a copy of the GNU General Public License
15 ** along with this program; if not, write to the Free Software
16 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 */
18
19
20
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <unistd.h>
24 #include <string.h>
25 #include <math.h>
26
27 #include <sndfile.h>
28
29 #include "utils.h"
30
31 #define BUFFER_LEN (1<<16)
32 #define LOG_BUFFER_SIZE 1024
33
34 static void dither_test (const char *filename, int filetype) ;
35
36 /* Force the start of this buffer to be double aligned. Sparc-solaris will
37 ** choke if its not.
38 */
39 static short data_out [BUFFER_LEN] ;
40
41 int
42 main (int argc, char *argv [])
43 { int do_all = 0 ;
44 int test_count = 0 ;
45
46 if (argc != 2)
47 { printf ("Usage : %s <test>\n", argv [0]) ;
48 printf (" Where <test> is one of the following:\n") ;
49 printf (" wav - test WAV file peak chunk\n") ;
50 printf (" aiff - test AIFF file PEAK chunk\n") ;
51 printf (" all - perform all tests\n") ;
52 exit (1) ;
53 } ;
54
55 do_all=!strcmp (argv [1], "all") ;
56
57 if (do_all || ! strcmp (argv [1], "wav"))
58 { dither_test ("dither.wav", SF_FORMAT_WAV | SF_FORMAT_PCM_U8) ;
59 test_count++ ;
60 } ;
61
62 if (do_all || ! strcmp (argv [1], "aiff"))
63 { dither_test ("dither.aiff", SF_FORMAT_AIFF | SF_FORMAT_PCM_S8) ;
64 test_count++ ;
65 } ;
66
67 if (do_all || ! strcmp (argv [1], "au"))
68 { dither_test ("dither.au", SF_FORMAT_AU | SF_FORMAT_PCM_S8) ;
69 test_count++ ;
70 } ;
71
72 if (do_all || ! strcmp (argv [1], "svx"))
73 { dither_test ("dither.svx", SF_FORMAT_SVX | SF_FORMAT_PCM_S8) ;
74 test_count++ ;
75 } ;
76
77 if (do_all || ! strcmp (argv [1], "nist"))
78 { dither_test ("dither.nist", SF_FORMAT_NIST | SF_FORMAT_PCM_S8) ;
79 test_count++ ;
80 } ;
81
82 if (do_all || ! strcmp (argv [1], "paf"))
83 { dither_test ("dither.paf", SF_FORMAT_PAF | SF_FORMAT_PCM_S8) ;
84 test_count++ ;
85 } ;
86
87 if (do_all || ! strcmp (argv [1], "ircam"))
88 { dither_test ("dither.ircam", SF_FORMAT_IRCAM | SF_FORMAT_PCM_S8) ;
89 test_count++ ;
90 } ;
91
92 if (do_all || ! strcmp (argv [1], "voc"))
93 { dither_test ("dither.voc", SF_FORMAT_VOC | SF_FORMAT_PCM_S8) ;
94 test_count++ ;
95 } ;
96
97 if (do_all || ! strcmp (argv [1], "w64"))
98 { dither_test ("dither.w64", SF_FORMAT_W64 | SF_FORMAT_PCM_S8) ;
99 test_count++ ;
100 } ;
101
102 if (do_all || ! strcmp (argv [1], "mat4"))
103 { dither_test ("dither.mat4", SF_FORMAT_MAT4 | SF_FORMAT_PCM_S8) ;
104 test_count++ ;
105 } ;
106
107 if (do_all || ! strcmp (argv [1], "mat5"))
108 { dither_test ("dither.mat5", SF_FORMAT_MAT5 | SF_FORMAT_PCM_S8) ;
109 test_count++ ;
110 } ;
111
112 if (do_all || ! strcmp (argv [1], "pvf"))
113 { dither_test ("dither.pvf", SF_FORMAT_PVF | SF_FORMAT_PCM_S8) ;
114 test_count++ ;
115 } ;
116
117 if (test_count == 0)
118 { printf ("Mono : ************************************\n") ;
119 printf ("Mono : * No '%s' test defined.\n", argv [1]) ;
120 printf ("Mono : ************************************\n") ;
121 return 1 ;
122 } ;
123
124 return 0 ;
125 } /* main */
126
127
128 /*============================================================================================
129 ** Here are the test functions.
130 */
131
132 static void
133 dither_test (const char *filename, int filetype)
134 { SNDFILE *file ;
135 SF_INFO sfinfo ;
136 SF_DITHER_INFO dither ;
137
138 filetype = filetype ;
139
140 print_test_name ("dither_test", filename) ;
141
142 sfinfo.samplerate = 44100 ;
143 sfinfo.format = filetype ;
144 sfinfo.channels = 1 ;
145 sfinfo.frames = 0 ;
146
147 file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_TRUE, __LINE__) ;
148
149 /* Check for old version of the dither API. */
150 if (sf_command (file, SFC_SET_DITHER_ON_WRITE, NULL, SF_TRUE) == 0)
151 { printf ("\n\nLine %d: Should have an error here but don't.\n\n", __LINE__) ;
152 exit (1) ;
153 } ;
154
155 memset (&dither, 0, sizeof (dither)) ;
156 dither.type = SFD_WHITE ;
157 dither.level = 0 ;
158
159 if (sf_command (file, SFC_SET_DITHER_ON_WRITE, &dither, sizeof (dither)) != 0)
160 { printf ("\n\nLine %d: sf_command (SFC_SET_DITHER_ON_WRITE) returned error : %s\n\n",
161 __LINE__, sf_strerror (file)) ;
162 exit (1) ;
163 } ;
164
165 /* Write data to file. */
166 test_write_short_or_die (file, 0, data_out, BUFFER_LEN, __LINE__) ;
167 test_seek_or_die (file, 0, SEEK_SET, 0, sfinfo.channels, __LINE__) ;
168
169 sf_close (file) ;
170
171 file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_TRUE, __LINE__) ;
172
173 if (sfinfo.frames != BUFFER_LEN)
174 { printf ("\n\nLine %d: Bad frame count %d (should be %d)\n\n", __LINE__, (int) sfinfo.frames, BUFFER_LEN) ;
175 } ;
176
177 sf_close (file) ;
178 /*-unlink (filename) ;-*/
179
180 puts ("ok") ;
181 } /* dither_test */
182