static void
test_float_peak (char *str, char *filename, int typemajor)
{ SNDFILE *file ;
SF_INFO sfinfo ;
int k, frames, count ;
printf (" test_float_peak : %s ... ", str) ;
sfinfo.samplerate = 44100 ;
sfinfo.format = (typemajor | SF_FORMAT_FLOAT) ;
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 */
if (! (file = sf_open (filename, SFM_WRITE, &sfinfo)))
{ printf ("Line %d: sf_open_write failed with error : ", __LINE__) ;
sf_perror (NULL) ;
exit (1) ;
} ;
/* 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 ++)
{ if ((k = sf_write_double (file, data + count * BUFFER_LEN / 4, BUFFER_LEN / 4)) != BUFFER_LEN / 4)
{ printf ("Line %d: sf_write_double # %d failed with short write (%d ->%d)\n", __LINE__, count, BUFFER_LEN / 4, k) ;
exit (1) ;
} ;
} ;
sf_close (file) ;
if (! (file = sf_open (filename, SFM_READ, &sfinfo)))
{ printf ("Line %d: sf_open_read failed with error : ", __LINE__) ;
sf_perror (NULL) ;
exit (1) ;
} ;
if (sfinfo.format != (typemajor | SF_FORMAT_FLOAT))
{ printf ("Line %d: Returned format incorrect (0x%08X => 0x%08X).\n", __LINE__, (typemajor | SF_FORMAT_FLOAT), sfinfo.format) ;
exit (1) ;
} ;
if (sfinfo.frames != frames)
{ printf ("Line %d: Incorrect number of.frames in file. (%d => %ld)\n", __LINE__, frames, (long) sfinfo.frames) ;
exit (1) ;
} ;
if (sfinfo.channels != 4)
{ printf ("Line %d: Incorrect number of channels in file.\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 ("Line %d: Empty log buffer,\n", __LINE__) ;
exit (1) ;
} ;
check_logged_peaks (log_buffer) ;
sf_close (file) ;
unlink (filename) ;
printf ("ok\n") ;
} /* test_float_peak */
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 ("\n\nLine %d: Returned format incorrect (0x%08X => 0x%08X).\n", __LINE__, filetype, sfinfo.format) ;
exit (1) ;
} ;
if (sfinfo.frames != frames)
{ printf ("\n\nLine %d: Incorrect number of frames in file. (%d => %ld)\n", __LINE__, frames, (long) sfinfo.frames) ;
exit (1) ;
} ;
if (sfinfo.channels != 4)
{ printf ("\n\nLine %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 ("\n\nLine %d: Command should have returned SF_TRUE.\n", __LINE__) ;
exit (1) ;
} ;
if (fabs (data [0] - (frames / 2) * 0.01) > 0.01)
{ 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) ;
exit (1) ;
} ;
if (sf_command (file, SFC_GET_MAX_ALL_CHANNELS, data, sizeof (double) * sfinfo.channels) == SF_FALSE)
{ printf ("\n\nLine %d: Command should have returned SF_TRUE.\n", __LINE__) ;
exit (1) ;
} ;
if (fabs (data [3] - (frames / 2) * 0.01) > 0.01)
{ 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) ;
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 ("\n\nLine %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 ("\n\nLine %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 ("\n\nLine %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 ("\n\nLine %d: Empty log buffer,\n", __LINE__) ;
exit (1) ;
} ;
if (strstr (log_buffer, "PEAK :") != NULL)
{ printf ("\n\nLine %d: Should not have a PEAK chunk in this file.\n\n", __LINE__) ;
puts (log_buffer) ;
exit (1) ;
} ;
sf_close (file) ;
unlink (filename) ;
printf ("ok\n") ;
} /* test_float_peak */
