1/* 2** Copyright (C) 2003-2013 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#include "sfconfig.h" 21#include <stdio.h> 22#include <stdlib.h> 23#if HAVE_UNISTD_H 24#include <unistd.h> 25#else 26#include "sf_unistd.h" 27#endif 28#include <string.h> 29#include <math.h> 30 31#include <sndfile.h> 32 33#include "utils.h" 34 35#define BUFFER_LEN (1 << 16) 36#define LOG_BUFFER_SIZE 1024 37 38static void dither_test (const char *filename, int filetype) ; 39 40/* Force the start of this buffer to be double aligned. Sparc-solaris will 41** choke if its not. 42*/ 43static short data_out [BUFFER_LEN] ; 44 45int 46main (int argc, char *argv []) 47{ int do_all = 0 ; 48 int test_count = 0 ; 49 50 if (argc != 2) 51 { printf ("Usage : %s <test>\n", argv [0]) ; 52 printf (" Where <test> is one of the following:\n") ; 53 printf (" wav - test WAV file peak chunk\n") ; 54 printf (" aiff - test AIFF file PEAK chunk\n") ; 55 printf (" all - perform all tests\n") ; 56 exit (1) ; 57 } ; 58 59 do_all = ! strcmp (argv [1], "all") ; 60 61 if (do_all || ! strcmp (argv [1], "wav")) 62 { dither_test ("dither.wav", SF_FORMAT_WAV | SF_FORMAT_PCM_U8) ; 63 test_count++ ; 64 } ; 65 66 if (do_all || ! strcmp (argv [1], "aiff")) 67 { dither_test ("dither.aiff", SF_FORMAT_AIFF | SF_FORMAT_PCM_S8) ; 68 test_count++ ; 69 } ; 70 71 if (do_all || ! strcmp (argv [1], "au")) 72 { dither_test ("dither.au", SF_FORMAT_AU | SF_FORMAT_PCM_S8) ; 73 test_count++ ; 74 } ; 75 76 if (do_all || ! strcmp (argv [1], "svx")) 77 { dither_test ("dither.svx", SF_FORMAT_SVX | SF_FORMAT_PCM_S8) ; 78 test_count++ ; 79 } ; 80 81 if (do_all || ! strcmp (argv [1], "nist")) 82 { dither_test ("dither.nist", SF_FORMAT_NIST | SF_FORMAT_PCM_S8) ; 83 test_count++ ; 84 } ; 85 86 if (do_all || ! strcmp (argv [1], "paf")) 87 { dither_test ("dither.paf", SF_FORMAT_PAF | SF_FORMAT_PCM_S8) ; 88 test_count++ ; 89 } ; 90 91 if (do_all || ! strcmp (argv [1], "ircam")) 92 { dither_test ("dither.ircam", SF_FORMAT_IRCAM | SF_FORMAT_PCM_S8) ; 93 test_count++ ; 94 } ; 95 96 if (do_all || ! strcmp (argv [1], "voc")) 97 { dither_test ("dither.voc", SF_FORMAT_VOC | SF_FORMAT_PCM_S8) ; 98 test_count++ ; 99 } ; 100 101 if (do_all || ! strcmp (argv [1], "w64")) 102 { dither_test ("dither.w64", SF_FORMAT_W64 | SF_FORMAT_PCM_S8) ; 103 test_count++ ; 104 } ; 105 106 if (do_all || ! strcmp (argv [1], "mat4")) 107 { dither_test ("dither.mat4", SF_FORMAT_MAT4 | SF_FORMAT_PCM_S8) ; 108 test_count++ ; 109 } ; 110 111 if (do_all || ! strcmp (argv [1], "mat5")) 112 { dither_test ("dither.mat5", SF_FORMAT_MAT5 | SF_FORMAT_PCM_S8) ; 113 test_count++ ; 114 } ; 115 116 if (do_all || ! strcmp (argv [1], "pvf")) 117 { dither_test ("dither.pvf", SF_FORMAT_PVF | SF_FORMAT_PCM_S8) ; 118 test_count++ ; 119 } ; 120 121 if (test_count == 0) 122 { printf ("Mono : ************************************\n") ; 123 printf ("Mono : * No '%s' test defined.\n", argv [1]) ; 124 printf ("Mono : ************************************\n") ; 125 return 1 ; 126 } ; 127 128 return 0 ; 129} /* main */ 130 131 132/*============================================================================================ 133** Here are the test functions. 134*/ 135 136static void 137dither_test (const char *filename, int filetype) 138{ SNDFILE *file ; 139 SF_INFO sfinfo ; 140 SF_DITHER_INFO dither ; 141 142 print_test_name ("dither_test", filename) ; 143 144 sfinfo.samplerate = 44100 ; 145 sfinfo.format = filetype ; 146 sfinfo.channels = 1 ; 147 sfinfo.frames = 0 ; 148 149 file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_TRUE, __LINE__) ; 150 151 /* Check for old version of the dither API. */ 152 if (sf_command (file, SFC_SET_DITHER_ON_WRITE, NULL, SF_TRUE) == 0) 153 { printf ("\n\nLine %d: Should have an error here but don't.\n\n", __LINE__) ; 154 exit (1) ; 155 } ; 156 157 memset (&dither, 0, sizeof (dither)) ; 158 dither.type = SFD_WHITE ; 159 dither.level = 0 ; 160 161 if (sf_command (file, SFC_SET_DITHER_ON_WRITE, &dither, sizeof (dither)) != 0) 162 { printf ("\n\nLine %d: sf_command (SFC_SET_DITHER_ON_WRITE) returned error : %s\n\n", 163 __LINE__, sf_strerror (file)) ; 164 exit (1) ; 165 } ; 166 167 /* Write data to file. */ 168 test_write_short_or_die (file, 0, data_out, BUFFER_LEN, __LINE__) ; 169 test_seek_or_die (file, 0, SEEK_SET, 0, sfinfo.channels, __LINE__) ; 170 171 sf_close (file) ; 172 173 file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_TRUE, __LINE__) ; 174 175 if (sfinfo.frames != BUFFER_LEN) 176 { printf ("\n\nLine %d: Bad frame count %d (should be %d)\n\n", __LINE__, (int) sfinfo.frames, BUFFER_LEN) ; 177 } ; 178 179 sf_close (file) ; 180 /*-unlink (filename) ;-*/ 181 182 puts ("ok") ; 183} /* dither_test */ 184 185