349 lines
11 KiB
C
349 lines
11 KiB
C
/*
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** Copyright (C) 2001-2009 Erik de Castro Lopo <erikd@mega-nerd.com>
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "sfconfig.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <sndfile.h>
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#include "utils.h"
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#define BUFFER_LEN (1<<15)
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#define LOG_BUFFER_SIZE 1024
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static void test_float_peak (const char *filename, int filetype) ;
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static void read_write_peak_test (const char *filename, int filetype) ;
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static void check_logged_peaks (char *buffer) ;
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/* Force the start of this buffer to be double aligned. Sparc-solaris will
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** choke if its not.
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*/
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static double data [BUFFER_LEN] ;
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static char log_buffer [LOG_BUFFER_SIZE] ;
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int
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main (int argc, char *argv [])
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{ int do_all = 0 ;
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int test_count = 0 ;
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if (argc != 2)
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{ printf ("Usage : %s <test>\n", argv [0]) ;
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printf (" Where <test> is one of the following:\n") ;
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printf (" wav - test WAV file peak chunk\n") ;
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printf (" aiff - test AIFF file PEAK chunk\n") ;
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printf (" all - perform all tests\n") ;
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exit (1) ;
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} ;
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do_all = ! strcmp (argv [1], "all") ;
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if (do_all || ! strcmp (argv [1], "wav"))
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{ test_float_peak ("peak_float.wav", SF_FORMAT_WAV | SF_FORMAT_FLOAT) ;
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test_float_peak ("peak_float.wavex", SF_FORMAT_WAVEX | SF_FORMAT_FLOAT) ;
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test_float_peak ("peak_float.rifx", SF_ENDIAN_BIG | SF_FORMAT_WAV | SF_FORMAT_FLOAT) ;
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read_write_peak_test ("rw_peak.wav", SF_FORMAT_WAV | SF_FORMAT_FLOAT) ;
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read_write_peak_test ("rw_peak.wavex", SF_FORMAT_WAVEX | SF_FORMAT_FLOAT) ;
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test_count++ ;
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} ;
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if (do_all || ! strcmp (argv [1], "aiff"))
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{ test_float_peak ("peak_float.aiff", SF_FORMAT_AIFF | SF_FORMAT_FLOAT) ;
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read_write_peak_test ("rw_peak.aiff", SF_FORMAT_AIFF | SF_FORMAT_FLOAT) ;
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test_count++ ;
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} ;
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if (test_count == 0)
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{ printf ("Mono : ************************************\n") ;
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printf ("Mono : * No '%s' test defined.\n", argv [1]) ;
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printf ("Mono : ************************************\n") ;
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return 1 ;
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} ;
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return 0 ;
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} /* main */
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/*============================================================================================
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** Here are the test functions.
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*/
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static void
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test_float_peak (const char *filename, int filetype)
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{ SNDFILE *file ;
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SF_INFO sfinfo ;
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int k, frames, count ;
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print_test_name ("test_float_peak", filename) ;
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memset (&sfinfo, 0, sizeof (sfinfo)) ;
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sfinfo.samplerate = 44100 ;
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sfinfo.format = filetype ;
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sfinfo.channels = 4 ;
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sfinfo.frames = 0 ;
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frames = BUFFER_LEN / sfinfo.channels ;
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/* Create some random data with a peak value of 0.66. */
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for (k = 0 ; k < BUFFER_LEN ; k++)
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data [k] = (rand () % 2000) / 3000.0 ;
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/* Insert some larger peaks a know locations. */
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data [4 * (frames / 8) + 0] = (frames / 8) * 0.01 ; /* First channel */
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data [4 * (frames / 6) + 1] = (frames / 6) * 0.01 ; /* Second channel */
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data [4 * (frames / 4) + 2] = (frames / 4) * 0.01 ; /* Third channel */
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data [4 * (frames / 2) + 3] = (frames / 2) * 0.01 ; /* Fourth channel */
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/* Write a file with PEAK chunks. */
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file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, 0, __LINE__) ;
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/* Try to confuse the header writer by adding a removing the PEAK chunk. */
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sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_TRUE) ;
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sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
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sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_TRUE) ;
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/* Write the data in four passed. The data is designed so that peaks will
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** be written in the different calls to sf_write_double ().
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*/
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for (count = 0 ; count < 4 ; count ++)
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test_write_double_or_die (file, 0, data + count * BUFFER_LEN / 4, BUFFER_LEN / 4, BUFFER_LEN / 4) ;
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sf_close (file) ;
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file = test_open_file_or_die (filename, SFM_READ, &sfinfo, 0, __LINE__) ;
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if (sfinfo.format != filetype)
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{ printf ("\n\nLine %d: Returned format incorrect (0x%08X => 0x%08X).\n", __LINE__, filetype, sfinfo.format) ;
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exit (1) ;
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} ;
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if (sfinfo.frames != frames)
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{ printf ("\n\nLine %d: Incorrect number of frames in file. (%d => %ld)\n", __LINE__, frames, (long) sfinfo.frames) ;
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exit (1) ;
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} ;
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if (sfinfo.channels != 4)
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{ printf ("\n\nLine %d: Incorrect number of channels in file.\n", __LINE__) ;
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exit (1) ;
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} ;
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/* Check these two commands. */
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if (sf_command (file, SFC_GET_SIGNAL_MAX, data, sizeof (double)) == SF_FALSE)
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{ printf ("\n\nLine %d: Command should have returned SF_TRUE.\n", __LINE__) ;
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exit (1) ;
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} ;
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if (fabs (data [0] - (frames / 2) * 0.01) > 0.01)
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{ printf ("\n\nLine %d: Bad peak value (%f should be %f) for command SFC_GET_SIGNAL_MAX.\n", __LINE__, data [0], (frames / 2) * 0.01) ;
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exit (1) ;
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} ;
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if (sf_command (file, SFC_GET_MAX_ALL_CHANNELS, data, sizeof (double) * sfinfo.channels) == SF_FALSE)
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{ printf ("\n\nLine %d: Command should have returned SF_TRUE.\n", __LINE__) ;
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exit (1) ;
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} ;
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if (fabs (data [3] - (frames / 2) * 0.01) > 0.01)
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{ printf ("\n\nLine %d: Bad peak value (%f should be %f) for command SFC_GET_MAX_ALL_CHANNELS.\n", __LINE__, data [0], (frames / 2) * 0.01) ;
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exit (1) ;
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} ;
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/* Get the log buffer data. */
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log_buffer [0] = 0 ;
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sf_command (file, SFC_GET_LOG_INFO, log_buffer, LOG_BUFFER_SIZE) ;
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if (strlen (log_buffer) == 0)
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{ printf ("\n\nLine %d: Empty log buffer,\n", __LINE__) ;
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exit (1) ;
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} ;
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check_logged_peaks (log_buffer) ;
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sf_close (file) ;
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/* Write a file ***without*** PEAK chunks. */
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file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, 0, __LINE__) ;
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/* Try to confuse the header writer by adding a removing the PEAK chunk. */
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sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
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sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_TRUE) ;
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sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
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/* Write the data in four passed. The data is designed so that peaks will
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** be written in the different calls to sf_write_double ().
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*/
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for (count = 0 ; count < 4 ; count ++)
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test_write_double_or_die (file, 0, data + count * BUFFER_LEN / 4, BUFFER_LEN / 4, BUFFER_LEN / 4) ;
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sf_close (file) ;
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file = test_open_file_or_die (filename, SFM_READ, &sfinfo, 0, __LINE__) ;
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/* Check these two commands. */
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if (sf_command (file, SFC_GET_SIGNAL_MAX, data, sizeof (double)))
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{ printf ("\n\nLine %d: Command should have returned SF_FALSE.\n", __LINE__) ;
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exit (1) ;
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} ;
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if (sf_command (file, SFC_GET_MAX_ALL_CHANNELS, data, sizeof (double) * sfinfo.channels))
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{ printf ("\n\nLine %d: Command should have returned SF_FALSE.\n", __LINE__) ;
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exit (1) ;
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} ;
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/* Get the log buffer data. */
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log_buffer [0] = 0 ;
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sf_command (file, SFC_GET_LOG_INFO, log_buffer, LOG_BUFFER_SIZE) ;
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if (strlen (log_buffer) == 0)
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{ printf ("\n\nLine %d: Empty log buffer,\n", __LINE__) ;
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exit (1) ;
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} ;
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if (strstr (log_buffer, "PEAK :") != NULL)
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{ printf ("\n\nLine %d: Should not have a PEAK chunk in this file.\n\n", __LINE__) ;
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puts (log_buffer) ;
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exit (1) ;
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} ;
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sf_close (file) ;
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unlink (filename) ;
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printf ("ok\n") ;
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} /* test_float_peak */
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static void
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check_logged_peaks (char *buffer)
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{ char *cptr ;
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int k, chan, channel_count, position ;
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float value ;
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if (strstr (buffer, "should") || strstr (buffer, "*"))
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{ printf ("\n\nLine %d: Something wrong in buffer. Dumping.\n", __LINE__) ;
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puts (buffer) ;
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exit (1) ;
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} ;
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if (! (cptr = strstr (buffer, "Channels")) || sscanf (cptr, "Channels : %d", &channel_count) != 1)
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{ printf ("\n\nLine %d: Couldn't find channel count.\n", __LINE__) ;
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exit (1) ;
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} ;
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if (channel_count != 4)
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{ printf ("\n\nLine %d: Wrong channel count (4 ->%d).\n", __LINE__, channel_count) ;
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exit (1) ;
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} ;
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if (! (cptr = strstr (buffer, "Ch Position Value")))
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{ printf ("\n\nLine %d: Can't find PEAK data.\n", __LINE__) ;
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exit (1) ;
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} ;
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for (k = 0 ; k < channel_count ; k++)
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{ if (! (cptr = strchr (cptr, '\n')))
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{ printf ("\n\nLine %d: Got lost.\n", __LINE__) ;
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exit (1) ;
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} ;
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if (sscanf (cptr, "%d %d %f", &chan, &position, &value) != 3)
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{ printf ("\n\nLine %d: sscanf failed.\n", __LINE__) ;
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exit (1) ;
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} ;
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if (position == 0)
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{ printf ("\n\nLine %d: peak position for channel %d should not be at offset 0.\n", __LINE__, chan) ;
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printf ("%s", buffer) ;
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exit (1) ;
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} ;
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if (chan != k || fabs ((position) * 0.01 - value) > 1e-6)
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{ printf ("\n\nLine %d: Error : peak value incorrect!\n", __LINE__) ;
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printf ("%s", buffer) ;
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printf ("\n\nLine %d: %d %f %f\n", __LINE__, chan, position * 0.01, value) ;
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exit (1) ;
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} ;
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cptr ++ ; /* Move past current newline. */
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} ;
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} /* check_logged_peaks */
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static void
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read_write_peak_test (const char *filename, int filetype)
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{ SNDFILE *file ;
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SF_INFO sfinfo ;
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double small_data [10] ;
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double max_peak = 0.0 ;
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unsigned k ;
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print_test_name (__func__, filename) ;
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for (k = 0 ; k < ARRAY_LEN (small_data) ; k ++)
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small_data [k] = 0.1 ;
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sfinfo.samplerate = 44100 ;
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sfinfo.channels = 2 ;
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sfinfo.format = filetype ;
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sfinfo.frames = 0 ;
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/* Open the file, add peak chunk and write samples with value 0.1. */
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file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_FALSE, __LINE__) ;
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sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_TRUE) ;
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test_write_double_or_die (file, 0, small_data, ARRAY_LEN (small_data), __LINE__) ;
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sf_close (file) ;
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/* Open the fiel RDWR, write sample valied 1.25. */
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file = test_open_file_or_die (filename, SFM_RDWR, &sfinfo, SF_FALSE, __LINE__) ;
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for (k = 0 ; k < ARRAY_LEN (small_data) ; k ++)
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small_data [k] = 1.0 ;
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test_write_double_or_die (file, 0, small_data, ARRAY_LEN (small_data), __LINE__) ;
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sf_command (file, SFC_GET_SIGNAL_MAX, &max_peak, sizeof (max_peak)) ;
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sf_close (file) ;
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exit_if_true (max_peak < 0.1, "\n\nLine %d : max peak (%5.3f) should not be 0.1.\n\n", __LINE__, max_peak) ;
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/* Open the file and test the values written to the PEAK chunk. */
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file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_FALSE, __LINE__) ;
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exit_if_true (sfinfo.channels * sfinfo.frames != 2 * ARRAY_LEN (small_data),
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"Line %d : frame count is %ld, should be %d\n", __LINE__, SF_COUNT_TO_LONG (sfinfo.frames), 2 * ARRAY_LEN (small_data)) ;
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sf_command (file, SFC_GET_SIGNAL_MAX, &max_peak, sizeof (double)) ;
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sf_close (file) ;
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exit_if_true (max_peak < 1.0, "\n\nLine %d : max peak (%5.3f) should be 1.0.\n\n", __LINE__, max_peak) ;
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unlink (filename) ;
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puts ("ok") ;
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} /* read_write_peak_test */
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