/*
* Read up to len samples of type sox_sample_t from file into buf[].
* Return number of samples read.
*/
static size_t read_samples(sox_format_t * ft, sox_sample_t *buf, size_t len)
{
priv_t * sf = (priv_t *)ft->priv;
/* FIXME: We assume int == sox_sample_t here */
return (size_t)sf_read_int(sf->sf_file, (int *)buf, (sf_count_t)len);
}
void WaveFile::read(ALuint bufferID)
{
int bytesRead = static_cast<int>(sf_read_int(mSoundFile, mBuffer.get(), mBUFFER_SIZE));
alBufferData(bufferID, mFormat, mBuffer.get(), bytesRead, mBUFFER_SIZE);
}
/* Collect read stats */
printf (" Read %-5s from %s : ", "short", subtype) ;
fflush (stdout) ;
clock_time = 0 ;
op_count = 0 ;
start_clock = clock () ;
while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
{ if (! (file = sf_open (filename, SFM_READ, &sfinfo)))
{ printf ("Error : not able to open file : %s\n", filename) ;
perror ("") ;
exit (1) ;
} ;
for (k = 0 ; k < BLOCK_COUNT ; k++)
{ if ((retval = sf_read_short (file, short_data, item_count)) != item_count)
{ printf ("Error : write returned %d (should have been %d)\n", retval, item_count) ;
exit (1) ;
} ;
} ;
sf_close (file) ;
clock_time = clock () - start_clock ;
op_count ++ ;
} ;
performance = (1.0 * item_count) * BLOCK_COUNT * op_count ;
performance *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
printf ("%6.2f%% of raw read\n", 100.0 * performance / read_rate) ;
unlink (filename) ;
} /* calc_short_performance */
static void
calc_int_performance (int format, double read_rate, double write_rate)
{ SNDFILE *file ;
SF_INFO sfinfo ;
clock_t start_clock, clock_time ;
double performance ;
int k, item_count, retval, op_count ;
const char* subtype ;
int *int_data ;
char *filename ;
filename = "benchmark.dat" ;
subtype = get_subtype_str (format & SF_FORMAT_SUBMASK) ;
int_data = data ;
item_count = BUFFER_SIZE ;
for (k = 0 ; k < item_count ; k++)
int_data [k] = 32700.0 * (1<<16) * sin (2 * M_PI * k / 32000.0) ;
/* Collect write stats */
printf (" Write %-5s to %s : ", "int", subtype) ;
fflush (stdout) ;
sfinfo.channels = 1 ;
sfinfo.format = format ;
sfinfo.frames = 1 ;
sfinfo.samplerate = 32000 ;
clock_time = 0 ;
op_count = 0 ;
start_clock = clock () ;
while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
{ if (! (file = sf_open (filename, SFM_WRITE, &sfinfo)))
{ printf ("Error : not able to open file : %s\n", filename) ;
perror ("") ;
exit (1) ;
} ;
/* Turn off the addition of a PEAK chunk. */
sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
for (k = 0 ; k < BLOCK_COUNT ; k++)
{ if ((retval = sf_write_int (file, int_data, item_count)) != item_count)
{ printf ("Error : sf_write_short returned %d (should have been %d)\n", retval, item_count) ;
exit (1) ;
} ;
} ;
sf_close (file) ;
clock_time = clock () - start_clock ;
op_count ++ ;
} ;
performance = (1.0 * BUFFER_SIZE) * BLOCK_COUNT * op_count ;
performance *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
printf ("%6.2f%% of raw write\n", 100.0 * performance / write_rate) ;
/* Collect read stats */
printf (" Read %-5s from %s : ", "int", subtype) ;
fflush (stdout) ;
clock_time = 0 ;
op_count = 0 ;
start_clock = clock () ;
while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
{ if (! (file = sf_open (filename, SFM_READ, &sfinfo)))
{ printf ("Error : not able to open file : %s\n", filename) ;
perror ("") ;
exit (1) ;
} ;
for (k = 0 ; k < BLOCK_COUNT ; k++)
{ if ((retval = sf_read_int (file, int_data, item_count)) != item_count)
{ printf ("Error : write returned %d (should have been %d)\n", retval, item_count) ;
exit (1) ;
} ;
} ;
sf_close (file) ;
clock_time = clock () - start_clock ;
op_count ++ ;
} ;
performance = (1.0 * item_count) * BLOCK_COUNT * op_count ;
performance *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
printf ("%6.2f%% of raw read\n", 100.0 * performance / read_rate) ;
unlink (filename) ;
} /* calc_int_performance */