sound/pcm/feeder_chain.c

51 	struct feeder_chain_state target;	/* target state */
159 	desc->out = cdesc->target.afmt;
170 	cdesc->current.afmt = cdesc->target.afmt;
189 	otarget = cdesc->target;
190 	cdesc->target = cdesc->current;
191 	cdesc->target.afmt = SND_FORMAT(cdesc->afmt_ne,
198 	cdesc->target = otarget;
267 	ret = FEEDER_SET(f, FEEDRATE_DST, cdesc->target.rate);
276 	cdesc->current.rate = cdesc->target.rate;
311 	    cdesc->target.matrix->channels, cdesc->target.matrix->ext);
322 	    cdesc->target.matrix);
332 	cdesc->current.matrix = cdesc->target.matrix;
532 #define FEEDRATE_UP(c)		((c)->target.rate > (c)->current.rate)
533 #define FEEDRATE_DOWN(c)	((c)->target.rate < (c)->current.rate)
536 #define FEEDMATRIX_UP(c)	((c)->target.matrix->channels >		\
538 #define FEEDMATRIX_DOWN(c)	((c)->target.matrix->channels <		\
544 				 AFMT_ENCODING((c)->target.afmt))
549 #define FEEDEQ_ECONOMY(c)	(FEEDER_BW(c, current) < FEEDER_BW(c, target))
681 		cdesc.target.afmt    = hwfmt;
682 		cdesc.target.matrix  = hwmatrix;
683 		cdesc.target.rate    = sndbuf_getspd(c->bufhard);
688 		cdesc.target.afmt    = softfmt;
689 		cdesc.target.matrix  = softmatrix;
690 		cdesc.target.rate    = c->speed;
697 	 * that 'origin' and 'target' identical, skipping mostly chain
702 			cdesc.origin = cdesc.target;
704 			cdesc.target = cdesc.origin;
705 		c->format = cdesc.target.afmt;
706 		c->speed  = cdesc.target.rate;
719 		    cdesc.target.matrix) != 0)
735 			    snd_fmtbest(AFMT_ENCODING(cdesc.target.afmt),
742 				    cdesc.target.afmt) &
783 		    (!FEEDEQ_VALIDRATE(&cdesc, target) ||
798 		    (!FEEDEQ_VALIDRATE(&cdesc, target) ||
808 			    !FEEDEQ_VALIDRATE(&cdesc, target)) {
821 			    !FEEDEQ_VALIDRATE(&cdesc, target))