peak_chunk_test.c
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上传日期:2022-01-05
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- /*
- ** Copyright (C) 2001-2009 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 "sfconfig.h"
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <math.h>
- #if HAVE_UNISTD_H
- #include <unistd.h>
- #endif
- #include <sndfile.h>
- #include "utils.h"
- #define BUFFER_LEN (1<<15)
- #define LOG_BUFFER_SIZE 1024
- static void test_float_peak (const char *filename, int filetype) ;
- static void read_write_peak_test (const char *filename, int filetype) ;
- static void check_logged_peaks (char *buffer) ;
- /* Force the start of this buffer to be double aligned. Sparc-solaris will
- ** choke if its not.
- */
- static double data [BUFFER_LEN] ;
- static char log_buffer [LOG_BUFFER_SIZE] ;
- int
- main (int argc, char *argv [])
- { int do_all = 0 ;
- int test_count = 0 ;
- if (argc != 2)
- { printf ("Usage : %s <test>n", argv [0]) ;
- printf (" Where <test> is one of the following:n") ;
- printf (" aiff - test AIFF file PEAK chunkn") ;
- printf (" caf - test CAF file PEAK chunkn") ;
- printf (" wav - test WAV file peak chunkn") ;
- printf (" all - perform all testsn") ;
- exit (1) ;
- } ;
- do_all = ! strcmp (argv [1], "all") ;
- if (do_all || ! strcmp (argv [1], "wav"))
- { test_float_peak ("peak_float.wav", SF_FORMAT_WAV | SF_FORMAT_FLOAT) ;
- test_float_peak ("peak_float.wavex", SF_FORMAT_WAVEX | SF_FORMAT_FLOAT) ;
- test_float_peak ("peak_float.rifx", SF_ENDIAN_BIG | SF_FORMAT_WAV | SF_FORMAT_FLOAT) ;
- read_write_peak_test ("rw_peak.wav", SF_FORMAT_WAV | SF_FORMAT_FLOAT) ;
- read_write_peak_test ("rw_peak.wavex", SF_FORMAT_WAVEX | SF_FORMAT_FLOAT) ;
- test_count++ ;
- } ;
- if (do_all || ! strcmp (argv [1], "aiff"))
- { test_float_peak ("peak_float.aiff", SF_FORMAT_AIFF | SF_FORMAT_FLOAT) ;
- read_write_peak_test ("rw_peak.aiff", SF_FORMAT_AIFF | SF_FORMAT_FLOAT) ;
- test_count++ ;
- } ;
- if (do_all || ! strcmp (argv [1], "caf"))
- { test_float_peak ("peak_float.caf", SF_FORMAT_CAF | SF_FORMAT_FLOAT) ;
- read_write_peak_test ("rw_peak.caf", SF_FORMAT_CAF | SF_FORMAT_FLOAT) ;
- test_count++ ;
- } ;
- if (test_count == 0)
- { printf ("Mono : ************************************n") ;
- printf ("Mono : * No '%s' test defined.n", argv [1]) ;
- printf ("Mono : ************************************n") ;
- return 1 ;
- } ;
- return 0 ;
- } /* main */
- /*============================================================================================
- ** Here are the test functions.
- */
- static void
- test_float_peak (const char *filename, int filetype)
- { SNDFILE *file ;
- SF_INFO sfinfo ;
- int k, frames, count ;
- print_test_name ("test_float_peak", filename) ;
- memset (&sfinfo, 0, sizeof (sfinfo)) ;
- sfinfo.samplerate = 44100 ;
- sfinfo.format = filetype ;
- sfinfo.channels = 4 ;
- sfinfo.frames = 0 ;
- frames = BUFFER_LEN / sfinfo.channels ;
- /* Create some random data with a peak value of 0.66. */
- for (k = 0 ; k < BUFFER_LEN ; k++)
- data [k] = (rand () % 2000) / 3000.0 ;
- /* Insert some larger peaks a know locations. */
- data [4 * (frames / 8) + 0] = (frames / 8) * 0.01 ; /* First channel */
- data [4 * (frames / 6) + 1] = (frames / 6) * 0.01 ; /* Second channel */
- data [4 * (frames / 4) + 2] = (frames / 4) * 0.01 ; /* Third channel */
- data [4 * (frames / 2) + 3] = (frames / 2) * 0.01 ; /* Fourth channel */
- /* Write a file with PEAK chunks. */
- file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, 0, __LINE__) ;
- /* Try to confuse the header writer by adding a removing the PEAK chunk. */
- sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_TRUE) ;
- sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
- sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_TRUE) ;
- /* Write the data in four passed. The data is designed so that peaks will
- ** be written in the different calls to sf_write_double ().
- */
- for (count = 0 ; count < 4 ; count ++)
- test_write_double_or_die (file, 0, data + count * BUFFER_LEN / 4, BUFFER_LEN / 4, BUFFER_LEN / 4) ;
- sf_close (file) ;
- file = test_open_file_or_die (filename, SFM_READ, &sfinfo, 0, __LINE__) ;
- if (sfinfo.format != filetype)
- { printf ("nnLine %d: Returned format incorrect (0x%08X => 0x%08X).n", __LINE__, filetype, sfinfo.format) ;
- exit (1) ;
- } ;
- if (sfinfo.frames != frames)
- { printf ("nnLine %d: Incorrect number of frames in file. (%d => %ld)n", __LINE__, frames, (long) sfinfo.frames) ;
- exit (1) ;
- } ;
- if (sfinfo.channels != 4)
- { printf ("nnLine %d: Incorrect number of channels in file.n", __LINE__) ;
- exit (1) ;
- } ;
- /* Check these two commands. */
- if (sf_command (file, SFC_GET_SIGNAL_MAX, data, sizeof (double)) == SF_FALSE)
- { printf ("nnLine %d: Command should have returned SF_TRUE.n", __LINE__) ;
- exit (1) ;
- } ;
- if (fabs (data [0] - (frames / 2) * 0.01) > 0.01)
- { printf ("nnLine %d: Bad peak value (%f should be %f) for command SFC_GET_SIGNAL_MAX.n", __LINE__, data [0], (frames / 2) * 0.01) ;
- exit (1) ;
- } ;
- if (sf_command (file, SFC_GET_MAX_ALL_CHANNELS, data, sizeof (double) * sfinfo.channels) == SF_FALSE)
- { printf ("nnLine %d: Command should have returned SF_TRUE.n", __LINE__) ;
- exit (1) ;
- } ;
- if (fabs (data [3] - (frames / 2) * 0.01) > 0.01)
- { printf ("nnLine %d: Bad peak value (%f should be %f) for command SFC_GET_MAX_ALL_CHANNELS.n", __LINE__, data [0], (frames / 2) * 0.01) ;
- exit (1) ;
- } ;
- /* Get the log buffer data. */
- log_buffer [0] = 0 ;
- sf_command (file, SFC_GET_LOG_INFO, log_buffer, LOG_BUFFER_SIZE) ;
- if (strlen (log_buffer) == 0)
- { printf ("nnLine %d: Empty log buffer,n", __LINE__) ;
- exit (1) ;
- } ;
- check_logged_peaks (log_buffer) ;
- sf_close (file) ;
- /* Write a file ***without*** PEAK chunks. */
- file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, 0, __LINE__) ;
- /* Try to confuse the header writer by adding a removing the PEAK chunk. */
- sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
- sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_TRUE) ;
- sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
- /* Write the data in four passed. The data is designed so that peaks will
- ** be written in the different calls to sf_write_double ().
- */
- for (count = 0 ; count < 4 ; count ++)
- test_write_double_or_die (file, 0, data + count * BUFFER_LEN / 4, BUFFER_LEN / 4, BUFFER_LEN / 4) ;
- sf_close (file) ;
- file = test_open_file_or_die (filename, SFM_READ, &sfinfo, 0, __LINE__) ;
- /* Check these two commands. */
- if (sf_command (file, SFC_GET_SIGNAL_MAX, data, sizeof (double)))
- { printf ("nnLine %d: Command should have returned SF_FALSE.n", __LINE__) ;
- exit (1) ;
- } ;
- if (sf_command (file, SFC_GET_MAX_ALL_CHANNELS, data, sizeof (double) * sfinfo.channels))
- { printf ("nnLine %d: Command should have returned SF_FALSE.n", __LINE__) ;
- exit (1) ;
- } ;
- /* Get the log buffer data. */
- log_buffer [0] = 0 ;
- sf_command (file, SFC_GET_LOG_INFO, log_buffer, LOG_BUFFER_SIZE) ;
- if (strlen (log_buffer) == 0)
- { printf ("nnLine %d: Empty log buffer,n", __LINE__) ;
- exit (1) ;
- } ;
- if (strstr (log_buffer, "PEAK :") != NULL)
- { printf ("nnLine %d: Should not have a PEAK chunk in this file.nn", __LINE__) ;
- puts (log_buffer) ;
- exit (1) ;
- } ;
- sf_close (file) ;
- unlink (filename) ;
- printf ("okn") ;
- } /* test_float_peak */
- static void
- check_logged_peaks (char *buffer)
- { char *cptr ;
- int k, chan, channel_count, position ;
- float value ;
- if (strstr (buffer, "should") || strstr (buffer, "*"))
- { printf ("nnLine %d: Something wrong in buffer. Dumping.n", __LINE__) ;
- puts (buffer) ;
- exit (1) ;
- } ;
- channel_count = 0 ;
- cptr = strstr (buffer, "Channels") ;
- if (cptr && sscanf (cptr, "Channels : %d", &k) == 1)
- channel_count = k ;
- else if (cptr && sscanf (cptr, "Channels / frame : %d", &k) == 1)
- channel_count = k ;
- else
- { printf ("nnLine %d: Couldn't find channel count.n", __LINE__) ;
- exit (1) ;
- } ;
- if (channel_count != 4)
- { printf ("nnLine %d: Wrong channel count (4 ->%d).n", __LINE__, channel_count) ;
- exit (1) ;
- } ;
- if (! (cptr = strstr (buffer, "Ch Position Value")))
- { printf ("nnLine %d: Can't find PEAK data.n", __LINE__) ;
- exit (1) ;
- } ;
- for (k = 0 ; k < channel_count ; k++)
- { if (! (cptr = strchr (cptr, 'n')))
- { printf ("nnLine %d: Got lost.n", __LINE__) ;
- exit (1) ;
- } ;
- if (sscanf (cptr, "%d %d %f", &chan, &position, &value) != 3)
- { printf ("nnLine %d: sscanf failed.n", __LINE__) ;
- exit (1) ;
- } ;
- if (position == 0)
- { printf ("nnLine %d: peak position for channel %d should not be at offset 0.n", __LINE__, chan) ;
- printf ("%s", buffer) ;
- exit (1) ;
- } ;
- if (chan != k || fabs ((position) * 0.01 - value) > 1e-6)
- { printf ("nnLine %d: Error : peak value incorrect!n", __LINE__) ;
- printf ("%s", buffer) ;
- printf ("nnLine %d: %d %f %fn", __LINE__, chan, position * 0.01, value) ;
- exit (1) ;
- } ;
- cptr ++ ; /* Move past current newline. */
- } ;
- } /* check_logged_peaks */
- static void
- read_write_peak_test (const char *filename, int filetype)
- { SNDFILE *file ;
- SF_INFO sfinfo ;
- double small_data [10] ;
- double max_peak = 0.0 ;
- unsigned k ;
- print_test_name (__func__, filename) ;
- for (k = 0 ; k < ARRAY_LEN (small_data) ; k ++)
- small_data [k] = 0.1 ;
- sfinfo.samplerate = 44100 ;
- sfinfo.channels = 2 ;
- sfinfo.format = filetype ;
- sfinfo.frames = 0 ;
- /* Open the file, add peak chunk and write samples with value 0.1. */
- file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_FALSE, __LINE__) ;
- sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_TRUE) ;
- test_write_double_or_die (file, 0, small_data, ARRAY_LEN (small_data), __LINE__) ;
- sf_close (file) ;
- /* Open the fiel RDWR, write sample valied 1.25. */
- file = test_open_file_or_die (filename, SFM_RDWR, &sfinfo, SF_FALSE, __LINE__) ;
- for (k = 0 ; k < ARRAY_LEN (small_data) ; k ++)
- small_data [k] = 1.0 ;
- test_write_double_or_die (file, 0, small_data, ARRAY_LEN (small_data), __LINE__) ;
- sf_command (file, SFC_GET_SIGNAL_MAX, &max_peak, sizeof (max_peak)) ;
- sf_close (file) ;
- exit_if_true (max_peak < 0.1, "nnLine %d : max peak (%5.3f) should not be 0.1.nn", __LINE__, max_peak) ;
- /* Open the file and test the values written to the PEAK chunk. */
- file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_FALSE, __LINE__) ;
- exit_if_true (sfinfo.channels * sfinfo.frames != 2 * ARRAY_LEN (small_data),
- "Line %d : frame count is %ld, should be %dn", __LINE__, SF_COUNT_TO_LONG (sfinfo.frames), 2 * ARRAY_LEN (small_data)) ;
- sf_command (file, SFC_GET_SIGNAL_MAX, &max_peak, sizeof (double)) ;
- sf_close (file) ;
- exit_if_true (max_peak < 1.0, "nnLine %d : max peak (%5.3f) should be 1.0.nn", __LINE__, max_peak) ;
- unlink (filename) ;
- puts ("ok") ;
- } /* read_write_peak_test */