lossy_comp_test.c

radius协议源码÷The Radius Stack will connect to a Radius Server. This stack implementation is built upo

	/* Check seek from start of file. */
	if ((k = sf_seek (file, seekpos, SEEK_SET)) != seekpos)
	{	printf ("Seek to start of file + %d failed (%d).\n", seekpos, k) ;
		exit (1) ;
		} ;
	if ((k = sf_read_double (file, data, 1, 0)) != 1)
	{	printf ("sf_read_double (file, data, 1, 0) returned %d.\n", k) ;
		exit (1) ;
		} ;
	
	if (error_function ((double) data [0], (double) orig [seekpos], margin))
	{	printf ("sf_seek (SEEK_SET) followed by sf_read_double failed (%d, %d).\n", (int) orig [1], (int) data [0]) ;
		exit (1) ;
		} ;
	
	if ((k = sf_seek (file, 0, SEEK_CUR)) != seekpos + 1)
	{	printf ("sf_seek (SEEK_CUR) with 0 offset failed (%d should be %d)\n", k, seekpos + 1) ;
		exit (1) ;
		} ;

	seekpos = sf_seek (file, 0, SEEK_CUR) + BUFFER_SIZE / 5 ;
	k = sf_seek (file, BUFFER_SIZE / 5, SEEK_CUR) ;
	sf_read_double (file, data, 1, 0) ;
	if (error_function ((double) data [0], (double) orig [seekpos], margin) || k != seekpos)
	{	printf ("sf_seek (forwards, SEEK_CUR) followed by sf_read_double failed (%d, %d) (%d, %d).\n", (int) data [0], (int) orig [seekpos], k, seekpos + 1) ;
		exit (1) ;
		} ;
	
	seekpos = sf_seek (file, 0, SEEK_CUR) - 20 ;
	/* Check seek backward from current position. */
	k = sf_seek (file, -20, SEEK_CUR) ;
	sf_read_double (file, data, 1, 0) ;
	if (error_function ((double) data [0], (double) orig [seekpos], margin) || k != seekpos)
	{	printf ("sf_seek (backwards, SEEK_CUR) followed by sf_read_double failed (%d, %d) (%d, %d).\n", (int) data [0], (int) orig [seekpos], k, seekpos) ;
		exit (1) ;
		} ;
	
	/* Check that read past end of file returns number of items. */
	sf_seek (file, (int) datalen, SEEK_SET) ;

 	if ((k = sf_read_double (file, data, datalen, 0)) != sfinfo.samples - datalen)
 	{	printf ("Return value from sf_read_double past end of file incorrect (%d).\n", k) ;
 		exit (1) ;
 		} ;
	
	/* Check seek backward from end. */
	if ((k = sf_seek (file, 5 - (int) sfinfo.samples, SEEK_END)) != 5)
	{	printf ("sf_seek (SEEK_END) returned %d instead of %d.\n", k, 5) ;
		exit (1) ;
		} ;

	sf_read_double (file, data, 1, 0) ;
	if (error_function (data [0], orig [5], margin))
	{	printf ("sf_seek (SEEK_END) followed by sf_read_double failed (%d, %d).\n", (int) data [0], (int) orig [5]) ;
		exit (1) ;
		} ;

	sf_close (file) ;

	printf ("ok\n") ;
} /* lcomp_test_double */

/*========================================================================================
**	Smoothed differential loss compression tests.
*/

static	
void	sdlcomp_test_short	(char *str, char *filename, int typemajor, int typeminor, double margin)
{	SNDFILE			*file ;
	SF_INFO			sfinfo ;
	int				k, m, seekpos ;
	unsigned int	datalen ;
	short			*orig, *data, *smooth ;

	printf ("    sdlcomp_test_short  : %s ... ", str) ;
	
	datalen = BUFFER_SIZE ;

	orig = (short*) orig_buffer ;
	data = (short*) data_buffer ;
	smooth = (short*) smooth_buffer ;

	gen_signal (orig_buffer, datalen) ;
	for (k = 0 ; k < datalen ; k++)
		orig [k] = (short) (orig_buffer [k]) ;
		
	sfinfo.samplerate  = SAMPLE_RATE ;
	sfinfo.samples     = 123456789 ;	/* Ridiculous value. */
	sfinfo.channels    = 1 ;
	sfinfo.pcmbitwidth = 16 ;
	sfinfo.format 	   = (typemajor | typeminor) ;

	if (! (file = sf_open_write (filename, &sfinfo)))
	{	printf ("sf_open_write failed with error : ") ;
		sf_perror (NULL) ;
		exit (1) ;
		} ;
	
	if ((k = sf_write_short (file, orig, datalen)) != datalen)
	{	printf ("sf_write_short failed with short write (%d => %d).\n", datalen, k) ;
		exit (1) ;
		} ;
	sf_close (file) ;
	
	memset (data, 0, datalen * sizeof (short)) ;
	memset (&sfinfo, 0, sizeof (sfinfo)) ;
	
	if (! (file = sf_open_read (filename, &sfinfo)))
	{	printf ("sf_open_read failed with error : ") ;
		sf_perror (NULL) ;
		exit (1) ;
		} ;
	
	if (sfinfo.format != (typemajor | typeminor))
	{	printf ("Returned format incorrect (0x%08X => 0x%08X).\n", (typemajor | typeminor), sfinfo.format) ;
		exit (1) ;
		} ;
	
	if (sfinfo.samples < datalen)
	{	printf ("Too few samples in file. (%d should be a little more than %d)\n", datalen, sfinfo.samples) ;
		exit (1) ;
		} ;
	
	if (sfinfo.samples > (datalen + 400))
	{	printf ("Too many samples in file. (%d should be a little more than %d)\n", sfinfo.samples, datalen) ;
		exit (1) ;
		} ;
	
	if (sfinfo.channels != 1)
	{	printf ("Incorrect number of channels in file.\n") ;
		exit (1) ;
		} ;

	if (sfinfo.pcmbitwidth != 16)
	{	printf ("Incorrect bit width (%d).\n", sfinfo.pcmbitwidth) ;
		exit (1) ;
		} ;

	if ((k = sf_read_short (file, data, datalen)) != datalen)
	{	printf ("short read (%d).\n", k) ;
		exit (1) ;
		} ;

	memcpy (smooth, orig, datalen * sizeof (short)) ;
	smoothed_diff_short (data, datalen) ;
	smoothed_diff_short (smooth, datalen) ;

	for (k = 1 ; k < datalen ; k++)
	{	if (error_function ((double) data [k], (double) smooth [k], margin))
		{	printf ("Incorrect sample A (#%d : %d should be %d).\n", k, data [k], smooth [k]) ;
			exit (1) ;
			} ;
		} ;

	if ((k = sf_read_short (file, data, datalen)) != sfinfo.samples - datalen)
	{	printf ("Incorrect read length A (%d should be %d).\n", k, sfinfo.samples - datalen) ;
		exit (1) ;
		} ;
		
	if ((sfinfo.format & SF_FORMAT_SUBMASK) != SF_FORMAT_MS_ADPCM &&
		(sfinfo.format & SF_FORMAT_SUBMASK) != SF_FORMAT_GSM610)
		for (k = 0 ; k < sfinfo.samples - datalen ; k++)
			if (abs (data [k]) > decay_response (k))
			{	printf ("Incorrect sample B (#%d : abs (%d) should be < %d).\n", datalen + k, data [k], decay_response (k)) ;
				exit (1) ;
				} ;

	/* Now test sf_seek function. */
	if (sfinfo.seekable)
	{	if ((k = sf_seek (file, 0, SEEK_SET)) != 0)
		{	printf ("Seek to start of file failed (%d).\n", k) ;
			exit (1) ;
			} ;
	
		for (m = 0 ; m < 3 ; m++)
		{	if ((k = sf_read_short (file, data, datalen/7)) != datalen / 7)
			{	printf ("Incorrect read length B (%d => %d).\n", datalen / 7, k) ;
				exit (1) ;
				} ;
	
			smoothed_diff_short (data, datalen/7) ;
			memcpy (smooth, orig + m * datalen/7, datalen/7 * sizeof (short)) ;
			smoothed_diff_short (smooth, datalen/7) ;
			
			for (k = 0 ; k < datalen/7 ; k++)
				if (error_function ((double) data [k], (double) smooth [k], margin))
				{	printf ("Incorrect sample C (#%d (%d) : %d => %d).\n", k, k + m * (datalen / 7), smooth [k], data [k]) ;
					for (m = 0 ; m < 10 ; m++)
						printf ("%d ", data [k]) ;
					printf ("\n") ;
					exit (1) ;
					} ;
			} ; /* for (m = 0 ; m < 3 ; m++) */
	
		seekpos = BUFFER_SIZE / 10 ;
		
		/* Check seek from start of file. */
		if ((k = sf_seek (file, seekpos, SEEK_SET)) != seekpos)
		{	printf ("Seek to start of file + %d failed (%d).\n", seekpos, k) ;
			exit (1) ;
			} ;
		if ((k = sf_read_short (file, data, 1)) != 1)
		{	printf ("sf_read_short (file, data, 1) returned %d.\n", k) ;
			exit (1) ;
			} ;
		
		if (error_function ((double) data [0], (double) orig [seekpos], margin))
		{	printf ("sf_seek (SEEK_SET) followed by sf_read_short failed (%d, %d).\n", orig [1], data [0]) ;
			exit (1) ;
			} ;
		
		if ((k = sf_seek (file, 0, SEEK_CUR)) != seekpos + 1)
		{	printf ("sf_seek (SEEK_CUR) with 0 offset failed (%d should be %d)\n", k, seekpos + 1) ;
			exit (1) ;
			} ;
	
		seekpos = sf_seek (file, 0, SEEK_CUR) + BUFFER_SIZE / 5 ;
		k = sf_seek (file, BUFFER_SIZE / 5, SEEK_CUR) ;
		sf_read_short (file, data, 1) ;
		if (error_function ((double) data [0], (double) orig [seekpos], margin) || k != seekpos)
		{	printf ("sf_seek (forwards, SEEK_CUR) followed by sf_read_short failed (%d, %d) (%d, %d).\n", data [0], orig [seekpos], k, seekpos + 1) ;
			exit (1) ;
			} ;
		
		seekpos = sf_seek (file, 0, SEEK_CUR) - 20 ;
		/* Check seek backward from current position. */
		k = sf_seek (file, -20, SEEK_CUR) ;
		sf_read_short (file, data, 1) ;
		if (error_function ((double) data [0], (double) orig [seekpos], margin) || k != seekpos)
		{	printf ("sf_seek (backwards, SEEK_CUR) followed by sf_read_short failed (%d, %d) (%d, %d).\n", data [0], orig [seekpos], k, seekpos) ;
			exit (1) ;
			} ;
		
		/* Check that read past end of file returns number of items. */
		sf_seek (file, (int) datalen, SEEK_SET) ;
	
	 	if ((k = sf_read_short (file, data, datalen)) != sfinfo.samples - datalen)
	 	{	printf ("Return value from sf_read_short past end of file incorrect (%d).\n", k) ;
	 		exit (1) ;
	 		} ;
		
		/* Check seek backward from end. */
		
		if ((k = sf_seek (file, 5 - (int) sfinfo.samples, SEEK_END)) != 5)
		{	printf ("sf_seek (SEEK_END) returned %d instead of %d.\n", k, 5) ;
			exit (1) ;
			} ;
	
		sf_read_short (file, data, 1) ;
		if (error_function ((double) data [0], (double) orig [5], margin))
		{	printf ("sf_seek (SEEK_END) followed by sf_read_short failed (%d should be %d).\n", data [0], orig [5]) ;
			exit (1) ;
			} ;
		} /* if (sfinfo.seekable) */

	sf_close (file) ;

	printf ("ok\n") ;
} /* sdlcomp_test_short */

static	
void	sdlcomp_test_int	(char *str, char *filename, int typemajor, int typeminor, double margin)
{	SNDFILE			*file ;
	SF_INFO			sfinfo ;
	int				k, m, seekpos ;
	unsigned int	datalen ;
	int			*orig, *data, *smooth ;

	printf ("    sdlcomp_test_int    : %s ... ", str) ;
	
	datalen = BUFFER_SIZE ;

	orig = (int*) orig_buffer ;
	data = (int*) data_buffer ;
	smooth = (int*) smooth_buffer ;

	gen_signal (orig_buffer, datalen) ;
	for (k = 0 ; k < datalen ; k++)
		orig [k] = (int) (orig_buffer [k]) ;
		
	sfinfo.samplerate  = SAMPLE_RATE ;
	sfinfo.samples     = 123456789 ;	/* Ridiculous value. */
	sfinfo.channels    = 1 ;
	sfinfo.pcmbitwidth = 16 ;
	sfinfo.format 	   = (typemajor | typeminor) ;

	if (! (file = sf_open_write (filename, &sfinfo)))
	{	printf ("sf_open_write failed with error : ") ;
		sf_perror (NULL) ;
		exit (1) ;
		} ;
	
	if ((k = sf_write_int (file, orig, datalen)) != datalen)
	{	printf ("sf_write_int failed with int write (%d => %d).\n", datalen, k) ;
		exit (1) ;
		} ;
	sf_close (file) ;
	
	memset (data, 0, datalen * sizeof (int)) ;
	memset (&sfinfo, 0, sizeof (sfinfo)) ;
	
	if (! (file = sf_open_read (filename, &sfinfo)))
	{	printf ("sf_open_read failed with error : ") ;
		sf_perror (NULL) ;
		exit (1) ;
		} ;
	
	if (sfinfo.format != (typemajor | typeminor))
	{	printf ("Returned format incorrect (0x%08X => 0x%08X).\n", (typemajor | typeminor), sfinfo.format) ;
		exit (1) ;
		} ;
	
	if (sfinfo.samples < datalen)
	{	printf ("Too few samples in file. (%d should be a little more than %d)\n", datalen, sfinfo.samples) ;
		exit (1) ;
		} ;
	
	if (sfinfo.samples > (datalen + 400))
	{	printf ("Too many samples in file. (%d should be a little more than %d)\n", sfinfo.samples, datalen) ;
		exit (1) ;
		} ;
	
	if (sfinfo.channels != 1)
	{	printf ("Incorrect number of channels in file.\n") ;
		exit (1) ;
		} ;

	if (sfinfo.pcmbitwidth != 16)
	{	printf ("Incorrect bit width (%d).\n", sfinfo.pcmbitwidth) ;
		exit (1) ;
		} ;

	if ((k = sf_read_int (file, data, datalen)) != datalen)
	{	printf ("int read (%d).\n", k) ;
		exit (1) ;
		} ;

	memcpy (smooth, orig, datalen * sizeof (int)) ;
	smoothed_diff_int (data, datalen) ;
	smoothed_diff_int (smooth, datalen) ;

	for (k = 1 ; k < datalen ; k++)
	{	if (error_function ((double) data [k], (double) smooth [k], margin))
		{	printf ("Incorrect sample A (#%d : %d should be %d).\n", k, data [k], smooth [k]) ;
			exit (1) ;
			} ;
		} ;

	if ((k = sf_read_int (file, data, datalen)) != sfinfo.samples - datalen)
	{	printf ("Incorrect read length A (%d should be %d).\n", k, sfinfo.samples - datalen) ;
		exit (1) ;
		} ;
		
	if ((sfinfo.format & SF_FORMAT_SUBMASK) != SF_FORMAT_MS_ADPCM &&
		(sfinfo.format & SF_FORMAT_SUBMASK) != SF_FORMAT_GSM610)
		for (k = 0 ; k < sfinfo.samples - datalen ; k++)
			if (abs (data [k]) > decay_response (k))
			{	printf ("Incorrect sample B (#%d : abs (%d) should be < %d).\n", datalen + k, data [k], decay_response (k)) ;
				exit (1) ;
				} ;

	/* Now test sf_seek function. */
	if (sfinfo.seekable)
	{	if ((k = sf_seek (file, 0, SEEK_SET)) != 0)
		{	printf ("Seek to start of file failed (%d).\n", k) ;
			exit (1) ;
			} ;
	
		for (m = 0 ; m < 3 ; m++)