audio/impl/audio_grc3.c

204 grc3_upsample_##QUAL(grc3state_t *grc, const int32_t *src,		\
207 	int32_t ptr = grc->ptr;						\
208 	int32_t srcrate = grc->srcrate;					\
209 	int32_t dstrate = grc->dstrate;					\
210 	int32_t *history = grc->historyptr;				\
211 	int32_t filtfactor = grc->filtfactor;				\
229 		if (history >= (grc->history + GRC3_MAXHISTORY * 2))	\
241 	grc->ptr = ptr;							\
242 	grc->historyptr = history;					\
243 	grc->outsz = dstsz;						\
247 grc3_dnsample_##QUAL(grc3state_t *grc, const int32_t *src,		\
250 	int32_t ptr = grc->ptr;						\
251 	int32_t srcrate = grc->srcrate;					\
252 	int32_t dstrate = grc->dstrate;					\
253 	int32_t sat = grc->sat;						\
254 	int32_t *history = grc->historyptr;				\
255 	int32_t filtfactor = grc->filtfactor;				\
268 				grc->ptr_incv));			\
274 		if (history >= (grc->history + GRC3_MAXHISTORY * 2))	\
291 	grc->ptr = ptr;							\
292 	grc->historyptr = history;					\
293 	grc->outsz = dstsz;						\
297 grc3_resample_##QUAL(grc3state_t *grc, const void *src, void *dst,	\
300 	if (grc->srcrate <= grc->dstrate)				\
301 		grc3_upsample_##QUAL(grc, src, dst, sz,			\
304 		grc3_dnsample_##QUAL(grc, src, dst, sz,			\
319 grc3_convert(grc3state_t *grc, int quality, const void *src,
327 		grc3_resample_L(grc, src, dst, sz, bufsz, inc, offset);
330 		grc3_resample_M(grc, src, dst, sz, bufsz, inc, offset);
333 		grc3_resample_H(grc, src, dst, sz, bufsz, inc, offset);
336 		grc3_resample_HX(grc, src, dst, sz, bufsz, inc, offset);
339 		grc3_resample_P(grc, src, dst, sz, bufsz, inc, offset);
342 		grc3_resample_PX(grc, src, dst, sz, bufsz, inc, offset);
348 grc3_reset(grc3state_t *grc)
351 	grc->ptr = 0;
352 	grc->historyptr = grc->history + GRC3_MAXHISTORY;
355 		grc->history[t] = 0;
359 grc3_setup_up(grc3state_t *grc, uint32_t fromRate, uint32_t toRate)
361 	grc->srcrate = fromRate;
362 	grc->dstrate = toRate;
363 	grc->filtfactor = 0x80000000U / toRate;
367 grc3_setup_dn(grc3state_t *grc, uint32_t fromRate, uint32_t toRate)
369 	grc->srcrate = fromRate;
370 	grc->dstrate = toRate;
371 	grc->filtfactor = 0x80000000U / fromRate;
372 	grc->ptr_incv = _muldivu64(1024 << 15, toRate, fromRate);
373 	grc->sat = _muldivu64(0x80000000U, toRate, fromRate);
377 grc3_setup(grc3state_t *grc, uint32_t fromRate, uint32_t toRate)
385 		grc3_setup_up(grc, fromRate, toRate);
387 		grc3_setup_dn(grc, fromRate, toRate);