sound/pcm/feeder_chain.c

50 	struct feeder_chain_state current;	/* current state */
157 	desc->in = cdesc->current.afmt;
169 	cdesc->current.afmt = cdesc->target.afmt;
185 	    AFMT_ENCODING(cdesc->current.afmt) == cdesc->afmt_ne)
189 	cdesc->target = cdesc->current;
191 	    cdesc->current.matrix->channels, cdesc->current.matrix->ext);
230 	desc->in = cdesc->current.afmt;
259 	ret = FEEDER_SET(f, FEEDRATE_SRC, cdesc->current.rate);
275 	cdesc->current.rate = cdesc->target.rate;
308 	desc->in = cdesc->current.afmt;
309 	desc->out = SND_FORMAT(cdesc->current.afmt,
320 	ret = feeder_matrix_setup(f, cdesc->current.matrix,
330 	cdesc->current.afmt = desc->out;
331 	cdesc->current.matrix = cdesc->target.matrix;
365 	desc->in = cdesc->current.afmt;
391 	ret = feeder_volume_apply_matrix(f, cdesc->current.matrix);
433 	desc->in = cdesc->current.afmt;
445 	ret = FEEDER_SET(f, FEEDEQ_RATE, cdesc->current.rate);
484 	c->feeder->desc->in = cdesc->current.afmt;
485 	c->feeder->desc->out = cdesc->current.afmt;
513 	desc->in = cdesc->current.afmt;
531 #define FEEDRATE_UP(c)		((c)->target.rate > (c)->current.rate)
532 #define FEEDRATE_DOWN(c)	((c)->target.rate < (c)->current.rate)
536 				 (c)->current.matrix->channels)
538 				 (c)->current.matrix->channels)
542 #define FEEDFORMAT_REQUIRED(c)	(AFMT_ENCODING((c)->current.afmt) !=	\
548 #define FEEDEQ_ECONOMY(c)	(FEEDER_BW(c, current) < FEEDER_BW(c, target))
550 				 FEEDEQ_VALIDRATE(c, current))
555 	AFMT_ENCODING((c)->current.afmt) != AFMT_S16_NE) ||		\
557 	AFMT_ENCODING((c)->current.afmt) != AFMT_S32_NE) ||		\
560 	((c)->current.afmt & AFMT_8BIT)) ||				\
562 	!((c)->current.afmt & (AFMT_S16_NE | AFMT_S32_NE)))))
763 	cdesc.current = cdesc.origin;