static void
double_scaled_test (const char *filename, int allow_exit, int replace_float, int filetype, double target_snr)
{ SNDFILE *file ;
SF_INFO sfinfo ;
double snr ;
int byterate ;
print_test_name ("double_scaled_test", filename) ;
gen_windowed_sine_double (double_data, DFT_DATA_LENGTH, 0.9999) ;
sfinfo.samplerate = SAMPLE_RATE ;
sfinfo.frames = DFT_DATA_LENGTH ;
sfinfo.channels = 1 ;
sfinfo.format = filetype ;
file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_TRUE, __LINE__) ;
sf_command (file, SFC_TEST_IEEE_FLOAT_REPLACE, NULL, replace_float) ;
test_write_double_or_die (file, 0, double_data, DFT_DATA_LENGTH, __LINE__) ;
sf_close (file) ;
memset (double_test, 0, sizeof (double_test)) ;
file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_TRUE, __LINE__) ;
sf_command (file, SFC_TEST_IEEE_FLOAT_REPLACE, NULL, replace_float) ;
exit_if_true (sfinfo.format != filetype, "\n\nLine %d: Returned format incorrect (0x%08X => 0x%08X).\n", __LINE__, filetype, sfinfo.format) ;
exit_if_true (sfinfo.frames < DFT_DATA_LENGTH, "\n\nLine %d: Incorrect number of frames in file (too short). (%" PRId64 " should be %d)\n", __LINE__, sfinfo.frames, DFT_DATA_LENGTH) ;
exit_if_true (sfinfo.channels != 1, "\n\nLine %d: Incorrect number of channels in file.\n", __LINE__) ;
check_log_buffer_or_die (file, __LINE__) ;
test_read_double_or_die (file, 0, double_test, DFT_DATA_LENGTH, __LINE__) ;
byterate = sf_current_byterate (file) ;
exit_if_true (byterate <= 0, "\n\nLine %d: byterate is zero.\n", __LINE__) ;
sf_close (file) ;
snr = dft_cmp_double (__LINE__, double_data, double_test, DFT_DATA_LENGTH, target_snr, allow_exit) ;
exit_if_true (snr > target_snr, "% 6.1fdB SNR\n\n Error : should be better than % 6.1fdB\n\n", snr, target_snr) ;
printf ("% 6.1fdB SNR ... ok\n", snr) ;
unlink (filename) ;
return ;
} /* double_scaled_test */
static void
double_int_big_test (const char * filename)
{ SNDFILE *file ;
SF_INFO sfinfo ;
unsigned k, max ;
print_test_name ("double_int_big_test", filename) ;
gen_windowed_sine_double (double_data, ARRAY_LEN (double_data), 0.9999) ;
sfinfo.samplerate = SAMPLE_RATE ;
sfinfo.frames = ARRAY_LEN (int_data) ;
sfinfo.channels = 1 ;
sfinfo.format = SF_ENDIAN_BIG | SF_FORMAT_AU | SF_FORMAT_DOUBLE ;
file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_TRUE, __LINE__) ;
test_write_double_or_die (file, 0, double_data, ARRAY_LEN (double_data), __LINE__) ;
sf_close (file) ;
file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_TRUE, __LINE__) ;
if (sfinfo.frames != ARRAY_LEN (double_data))
{ printf ("\n\nLine %d: Incorrect number of frames in file (too short). (%" PRId64 " should be %d)\n", __LINE__, sfinfo.frames, DFT_DATA_LENGTH) ;
exit (1) ;
} ;
if (sfinfo.channels != 1)
{ printf ("\n\nLine %d: Incorrect number of channels in file.\n", __LINE__) ;
exit (1) ;
} ;
sf_command (file, SFC_SET_SCALE_FLOAT_INT_READ, NULL, SF_TRUE) ;
test_read_int_or_die (file, 0, int_data, ARRAY_LEN (int_data), __LINE__) ;
sf_close (file) ;
max = 0 ;
for (k = 0 ; k < ARRAY_LEN (int_data) ; k++)
if (abs (int_data [k]) > max)
max = abs (int_data [k]) ;
if (1.0 * abs (max - 0x7FFFFFFF) / 0x7FFFFFFF > 0.01)
{ printf ("\n\nLine %d: Bad maximum (%d should be %d).\n\n", __LINE__, max, 0x7FFFFFFF) ;
exit (1) ;
} ;
unlink (filename) ;
puts ("ok") ;
} /* double_int_big_test */
static void
ogg_double_test (void)
{ const char * filename = "vorbis_double.oga" ;
SNDFILE * file ;
SF_INFO sfinfo ;
double seek_data [10] ;
print_test_name ("ogg_double_test", filename) ;
gen_windowed_sine_double (data_out.d, ARRAY_LEN (data_out.d), 0.95) ;
memset (&sfinfo, 0, sizeof (sfinfo)) ;
/* Set up output file type. */
sfinfo.format = SF_FORMAT_OGG | SF_FORMAT_VORBIS ;
sfinfo.channels = 1 ;
sfinfo.samplerate = SAMPLE_RATE ;
/* Write the output file. */
file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_FALSE, __LINE__) ;
test_write_double_or_die (file, 0, data_out.d, ARRAY_LEN (data_out.d), __LINE__) ;
sf_close (file) ;
/* Read the file in again. */
memset (&sfinfo, 0, sizeof (sfinfo)) ;
file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_FALSE, __LINE__) ;
test_read_double_or_die (file, 0, data_in.d, ARRAY_LEN (data_in.d), __LINE__) ;
sf_close (file) ;
puts ("ok") ;
/* Test seeking. */
print_test_name ("ogg_seek_test", filename) ;
file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_FALSE, __LINE__) ;
test_seek_or_die (file, 10, SEEK_SET, 10, sfinfo.channels, __LINE__) ;
test_read_double_or_die (file, 0, seek_data, ARRAY_LEN (seek_data), __LINE__) ;
compare_double_or_die (seek_data, data_in.d + 10, ARRAY_LEN (seek_data), __LINE__) ;
sf_close (file) ;
puts ("ok") ;
unlink (filename) ;
} /* ogg_double_test */