+++ /dev/null
-/*
-** Copyright (C) 1999-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
-**
-** This program is free software; you can redistribute it and/or modify
-** it under the terms of the GNU General Public License as published by
-** the Free Software Foundation; either version 2 of the License, or
-** (at your option) any later version.
-**
-** This program is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-** GNU General Public License for more details.
-**
-** You should have received a copy of the GNU General Public License
-** along with this program; if not, write to the Free Software
-** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <math.h>
-
-#include <sndfile.h>
-
-#include "utils.h"
-
-#define BUFFER_SIZE (1<<14) /* Should be (1<<14) */
-#define SAMPLE_RATE (11025)
-
-#ifndef M_PI
-#define M_PI 3.14159265358979323846264338
-#endif
-
-static void lcomp_test_int (const char *str, const char *filename, int filetype, double margin) ;
-
-static int error_function (double data, double orig, double margin) ;
-static int decay_response (int k) ;
-
-static void gen_signal_double (double *data, double scale, int datalen) ;
-
-/* Force the start of these buffers to be double aligned. Sparc-solaris will
-** choke if they are not.
-*/
-
-typedef union
-{ double d [BUFFER_SIZE + 1] ;
- int i [BUFFER_SIZE + 1] ;
-} BUFFER ;
-
-static BUFFER data_buffer ;
-static BUFFER orig_buffer ;
-
-int
-main (void)
-{ const char *filename = "test.au" ;
-
- lcomp_test_int ("au_g721", filename, SF_ENDIAN_BIG | SF_FORMAT_AU | SF_FORMAT_G721_32, 0.06) ;
-
- return 0 ;
-} /* main */
-
-/*============================================================================================
-** Here are the test functions.
-*/
-
-static void
-lcomp_test_int (const char *str, const char *filename, int filetype, double margin)
-{ SNDFILE *file ;
- SF_INFO sfinfo ;
- int k, m, *orig, *data, sum_abs ;
- long datalen, seekpos ;
- double scale ;
-
- printf ("\nThis is program is not part of the libsndfile test suite.\n\n") ;
-
- printf (" lcomp_test_int : %s ... ", str) ;
- fflush (stdout) ;
-
- datalen = BUFFER_SIZE ;
-
- scale = 1.0 * 0x10000 ;
-
- data = data_buffer.i ;
- orig = orig_buffer.i ;
-
- gen_signal_double (orig_buffer.d, 32000.0 * scale, datalen) ;
- for (k = 0 ; k < datalen ; k++)
- orig [k] = orig_buffer.d [k] ;
-
-
- sfinfo.samplerate = SAMPLE_RATE ;
- sfinfo.frames = 123456789 ; /* Ridiculous value. */
- sfinfo.channels = 1 ;
- sfinfo.format = filetype ;
-
- if (! (file = sf_open (filename, SFM_WRITE, &sfinfo)))
- { printf ("sf_open_write failed with error : ") ;
- puts (sf_strerror (NULL)) ;
- exit (1) ;
- } ;
-
- if ((k = sf_writef_int (file, orig, datalen)) != datalen)
- { printf ("sf_writef_int failed with short write (%ld => %d).\n", datalen, k) ;
- exit (1) ;
- } ;
- sf_close (file) ;
-
- memset (data, 0, datalen * sizeof (int)) ;
-
- if ((filetype & SF_FORMAT_TYPEMASK) != SF_FORMAT_RAW)
- memset (&sfinfo, 0, sizeof (sfinfo)) ;
-
- if (! (file = sf_open (filename, SFM_READ, &sfinfo)))
- { printf ("sf_open_read failed with error : ") ;
- puts (sf_strerror (NULL)) ;
- exit (1) ;
- } ;
-
- if ((sfinfo.format & (SF_FORMAT_TYPEMASK | SF_FORMAT_SUBMASK)) != (filetype & (SF_FORMAT_TYPEMASK | SF_FORMAT_SUBMASK)))
- { printf ("Line %d: Returned format incorrect (0x%08X => 0x%08X).\n", __LINE__, filetype, sfinfo.format) ;
- exit (1) ;
- } ;
-
- if (sfinfo.frames < datalen)
- { printf ("Too few.frames in file. (%ld should be a little more than %ld)\n", datalen, SF_COUNT_TO_LONG (sfinfo.frames)) ;
- exit (1) ;
- } ;
-
- if (sfinfo.frames > (datalen + datalen / 2))
- { printf ("Too many.frames in file. (%ld should be a little more than %ld)\n", datalen, SF_COUNT_TO_LONG (sfinfo.frames)) ;
- exit (1) ;
- } ;
-
- if (sfinfo.channels != 1)
- { printf ("Incorrect number of channels in file.\n") ;
- exit (1) ;
- } ;
-
- check_log_buffer_or_die (file, __LINE__) ;
-
- if ((k = sf_readf_int (file, data, datalen)) != datalen)
- { printf ("Line %d: short read (%d should be %ld).\n", __LINE__, k, datalen) ;
- exit (1) ;
- } ;
-
- sum_abs = 0 ;
- for (k = 0 ; k < datalen ; k++)
- { if (error_function (data [k] / scale, orig [k] / scale, margin))
- { printf ("Line %d: Incorrect sample (#%d : %f should be %f).\n", __LINE__, k, data [k] / scale, orig [k] / scale) ;
- oct_save_int (orig, data, datalen) ;
- exit (1) ;
- } ;
- sum_abs = abs (sum_abs + abs (data [k])) ;
- } ;
-
- if (sum_abs < 1.0)
- { printf ("Line %d: Signal is all zeros.\n", __LINE__) ;
- exit (1) ;
- } ;
-
- if ((k = sf_readf_int (file, data, datalen)) != sfinfo.frames - datalen)
- { printf ("Line %d: Incorrect read length (%ld should be %d).\n", __LINE__, SF_COUNT_TO_LONG (sfinfo.frames - datalen), k) ;
- exit (1) ;
- } ;
-
- /* This check is only for block based encoders which must append silence
- ** to the end of a file so as to fill out a block.
- */
- if ((sfinfo.format & SF_FORMAT_SUBMASK) != SF_FORMAT_MS_ADPCM)
- for (k = 0 ; k < sfinfo.frames - datalen ; k++)
- if (abs (data [k] / scale) > decay_response (k))
- { printf ("Line %d : Incorrect sample B (#%d : abs (%d) should be < %d).\n", __LINE__, k, data [k], decay_response (k)) ;
- exit (1) ;
- } ;
-
- if (! sfinfo.seekable)
- { printf ("ok\n") ;
- return ;
- } ;
-
- /* Now test sf_seek function. */
-
- if ((k = sf_seek (file, 0, SEEK_SET)) != 0)
- { printf ("Line %d: Seek to start of file failed (%d).\n", __LINE__, k) ;
- exit (1) ;
- } ;
-
- for (m = 0 ; m < 3 ; m++)
- { int n ;
-
- if ((k = sf_readf_int (file, data, 11)) != 11)
- { printf ("Line %d: Incorrect read length (11 => %d).\n", __LINE__, k) ;
- exit (1) ;
- } ;
-
- for (k = 0 ; k < 11 ; k++)
- if (error_function (data [k] / scale, orig [k + m * 11] / scale, margin))
- { printf ("Line %d: Incorrect sample (m = %d) (#%d : %d => %d).\n", __LINE__, m, k + m * 11, orig [k + m * 11], data [k]) ;
- for (n = 0 ; n < 1 ; n++)
- printf ("%d ", data [n]) ;
- printf ("\n") ;
- exit (1) ;
- } ;
- } ;
-
- seekpos = BUFFER_SIZE / 10 ;
-
- /* Check seek from start of file. */
- if ((k = sf_seek (file, seekpos, SEEK_SET)) != seekpos)
- { printf ("Seek to start of file + %ld failed (%d).\n", seekpos, k) ;
- exit (1) ;
- } ;
-
- if ((k = sf_readf_int (file, data, 1)) != 1)
- { printf ("Line %d: sf_readf_int (file, data, 1) returned %d.\n", __LINE__, k) ;
- exit (1) ;
- } ;
-
- if (error_function ((double) data [0], (double) orig [seekpos], margin))
- { printf ("Line %d: sf_seek (SEEK_SET) followed by sf_readf_int failed (%d, %d).\n", __LINE__, orig [1], data [0]) ;
- exit (1) ;
- } ;
-
- if ((k = sf_seek (file, 0, SEEK_CUR)) != seekpos + 1)
- { printf ("Line %d: sf_seek (SEEK_CUR) with 0 offset failed (%d should be %ld)\n", __LINE__, k, seekpos + 1) ;
- exit (1) ;
- } ;
-
- seekpos = sf_seek (file, 0, SEEK_CUR) + BUFFER_SIZE / 5 ;
- k = sf_seek (file, BUFFER_SIZE / 5, SEEK_CUR) ;
- sf_readf_int (file, data, 1) ;
- if (error_function ((double) data [0], (double) orig [seekpos], margin) || k != seekpos)
- { printf ("Line %d: sf_seek (forwards, SEEK_CUR) followed by sf_readf_int failed (%d, %d) (%d, %ld).\n", __LINE__, data [0], orig [seekpos], k, seekpos + 1) ;
- exit (1) ;
- } ;
-
- seekpos = sf_seek (file, 0, SEEK_CUR) - 20 ;
- /* Check seek backward from current position. */
- k = sf_seek (file, -20, SEEK_CUR) ;
- sf_readf_int (file, data, 1) ;
- if (error_function ((double) data [0], (double) orig [seekpos], margin) || k != seekpos)
- { printf ("sf_seek (backwards, SEEK_CUR) followed by sf_readf_int failed (%d, %d) (%d, %ld).\n", data [0], orig [seekpos], k, seekpos) ;
- exit (1) ;
- } ;
-
- /* Check that read past end of file returns number of items. */
- sf_seek (file, (int) sfinfo.frames, SEEK_SET) ;
-
- if ((k = sf_readf_int (file, data, datalen)) != 0)
- { printf ("Line %d: Return value from sf_readf_int past end of file incorrect (%d).\n", __LINE__, k) ;
- exit (1) ;
- } ;
-
- /* Check seek backward from end. */
- if ((k = sf_seek (file, 5 - (int) sfinfo.frames, SEEK_END)) != 5)
- { printf ("sf_seek (SEEK_END) returned %d instead of %d.\n", k, 5) ;
- exit (1) ;
- } ;
-
- sf_readf_int (file, data, 1) ;
- if (error_function (data [0] / scale, orig [5] / scale, margin))
- { printf ("Line %d: sf_seek (SEEK_END) followed by sf_readf_short failed (%d should be %d).\n", __LINE__, data [0], orig [5]) ;
- exit (1) ;
- } ;
-
- sf_close (file) ;
-
- printf ("ok\n") ;
-} /* lcomp_test_int */
-
-/*========================================================================================
-** Auxiliary functions
-*/
-
-#define SIGNAL_MAXVAL 30000.0
-#define DECAY_COUNT 800
-
-static int
-decay_response (int k)
-{ if (k < 1)
- return (int) (1.2 * SIGNAL_MAXVAL) ;
- if (k > DECAY_COUNT)
- return 0 ;
- return (int) (1.2 * SIGNAL_MAXVAL * (DECAY_COUNT - k) / (1.0 * DECAY_COUNT)) ;
-} /* decay_response */
-
-static void
-gen_signal_double (double *data, double scale, int datalen)
-{ int k, ramplen ;
- double amp = 0.0 ;
-
- ramplen = datalen / 18 ;
-
- for (k = 0 ; k < datalen ; k++)
- { if (k <= ramplen)
- amp = scale * k / ((double) ramplen) ;
- else if (k > datalen - ramplen)
- amp = scale * (datalen - k) / ((double) ramplen) ;
-
- data [k] = amp * (0.4 * sin (33.3 * 2.0 * M_PI * ((double) (k + 1)) / ((double) SAMPLE_RATE))
- + 0.3 * cos (201.1 * 2.0 * M_PI * ((double) (k + 1)) / ((double) SAMPLE_RATE))) ;
- } ;
-
- return ;
-} /* gen_signal_double */
-
-static int
-error_function (double data, double orig, double margin)
-{ double error ;
-
- if (fabs (orig) <= 500.0)
- error = fabs (fabs (data) - fabs (orig)) / 2000.0 ;
- else if (fabs (orig) <= 1000.0)
- error = fabs (data - orig) / 3000.0 ;
- else
- error = fabs (data - orig) / fabs (orig) ;
-
- if (error > margin)
- { printf ("\n\n*******************\nError : %f\n", error) ;
- return 1 ;
- } ;
- return 0 ;
-} /* error_function */
-
projects / Faustine.git / blobdiff