37 static void alaw2s_array (unsigned char *buffer, int count, short *ptr) ;
38 static void alaw2i_array (unsigned char *buffer, int count, int *ptr) ;
39 static void alaw2f_array (unsigned char *buffer, int count, float *ptr, float normfact) ;
40 static void alaw2d_array (unsigned char *buffer, int count, double *ptr, double normfact) ;
42 static void s2alaw_array (const short *buffer, int count, unsigned char *ptr) ;
43 static void i2alaw_array (const int *buffer, int count, unsigned char *ptr) ;
44 static void f2alaw_array (const float *buffer, int count, unsigned char *ptr, float normfact) ;
45 static void d2alaw_array (const double *buffer, int count, unsigned char *ptr, double normfact) ;
294 alaw2s_array (unsigned char *buffer, int count, short *ptr)  in alaw2s_array()  argument
295 {	while (--count >= 0)  in alaw2s_array()
296 		ptr [count] = alaw_decode [(int) buffer [count]] ;  in alaw2s_array()
300 alaw2i_array (unsigned char *buffer, int count, int *ptr)  in alaw2i_array()  argument
301 {	while (--count >= 0)  in alaw2i_array()
302 		ptr [count] = ((uint32_t) alaw_decode [(int) buffer [count]]) << 16 ;  in alaw2i_array()
306 alaw2f_array (unsigned char *buffer, int count, float *ptr, float normfact)  in alaw2f_array()  argument
307 {	while (--count >= 0)  in alaw2f_array()
308 		ptr [count] = normfact * alaw_decode [(int) buffer [count]] ;  in alaw2f_array()
312 alaw2d_array (unsigned char *buffer, int count, double *ptr, double normfact)  in alaw2d_array()  argument
313 {	while (--count >= 0)  in alaw2d_array()
314 		ptr [count] = normfact * alaw_decode [(int) buffer [count]] ;  in alaw2d_array()
318 s2alaw_array (const short *ptr, int count, unsigned char *buffer)  in s2alaw_array()  argument
319 {	while (--count >= 0)  in s2alaw_array()
320 	{	if (ptr [count] >= 0)  in s2alaw_array()
321 			buffer [count] = alaw_encode [ptr [count] / 16] ;  in s2alaw_array()
323 			buffer [count] = 0x7F & alaw_encode [ptr [count] / -16] ;  in s2alaw_array()
328 i2alaw_array (const int *ptr, int count, unsigned char *buffer)  in i2alaw_array()  argument
329 {	while (--count >= 0)  in i2alaw_array()
330 	{	if (ptr [count] == INT_MIN)  in i2alaw_array()
331 			buffer [count] = alaw_encode [INT_MAX >> (16 + 4)] ;  in i2alaw_array()
332 		else if (ptr [count] >= 0)  in i2alaw_array()
333 			buffer [count] = alaw_encode [ptr [count] >> (16 + 4)] ;  in i2alaw_array()
335 			buffer [count] = 0x7F & alaw_encode [- ptr [count] >> (16 + 4)] ;  in i2alaw_array()
340 f2alaw_array (const float *ptr, int count, unsigned char *buffer, float normfact)  in f2alaw_array()  argument
341 {	while (--count >= 0)  in f2alaw_array()
342 	{	if (ptr [count] >= 0)  in f2alaw_array()
343 			buffer [count] = alaw_encode [psf_lrintf (normfact * ptr [count])] ;  in f2alaw_array()
345 			buffer [count] = 0x7F & alaw_encode [- psf_lrintf (normfact * ptr [count])] ;  in f2alaw_array()
350 d2alaw_array (const double *ptr, int count, unsigned char *buffer, double normfact)  in d2alaw_array()  argument
351 {	while (--count >= 0)  in d2alaw_array()
352 	{	if (!isfinite (ptr [count]))  in d2alaw_array()
353 			buffer [count] = 0 ;  in d2alaw_array()
354 		else if (ptr [count] >= 0)  in d2alaw_array()
355 			buffer [count] = alaw_encode [psf_lrint (normfact * ptr [count])] ;  in d2alaw_array()
357 			buffer [count] = 0x7F & alaw_encode [- psf_lrint (normfact * ptr [count])] ;  in d2alaw_array()