--- /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