dev/audio/audio.c

2335 	audio_ring_t *hwbuf;
2521 			hwbuf = &sc->sc_pmixer->hwbuf;
2525 			    hwbuf->mem,
2526 			    hwbuf->capacity *
2527 			    hwbuf->fmt.channels * hwbuf->fmt.stride / NBBY);
2540 			hwbuf = &sc->sc_rmixer->hwbuf;
2544 			    hwbuf->mem,
2545 			    hwbuf->capacity *
2546 			    hwbuf->fmt.channels * hwbuf->fmt.stride / NBBY);
5203  * Calculate blktime [msec] from mixer(.hwbuf.fmt).
5215 	fmt = &mixer->hwbuf.fmt;
5273 	mixer->hwbuf.fmt = *hwfmt;
5280 	mixer->frames_per_block = frame_per_block(mixer, &mixer->hwbuf.fmt);
5281 	blksize = frametobyte(&mixer->hwbuf.fmt, mixer->frames_per_block);
5284 		audio_params_t p = format2_to_params(&mixer->hwbuf.fmt);
5291 			if ((rounded * NBBY) % (mixer->hwbuf.fmt.stride *
5292 			    mixer->hwbuf.fmt.channels) != 0) {
5299 				    mixer->hwbuf.fmt.stride,
5300 				    mixer->hwbuf.fmt.channels);
5306 			    (mixer->hwbuf.fmt.stride *
5307 			     mixer->hwbuf.fmt.channels);
5311 	mixer->blktime_d = mixer->hwbuf.fmt.sample_rate;
5314 	bufsize = frametobyte(&mixer->hwbuf.fmt, capacity);
5348 	mixer->hwbuf.capacity = capacity;
5352 		mixer->hwbuf.mem = sc->hw_if->allocm(sc->hw_hdl, mode, bufsize);
5353 		if (mixer->hwbuf.mem == NULL) {
5358 		mixer->hwbuf.mem = kmem_alloc(bufsize, KM_SLEEP);
5383 	mixer->track_fmt.channels = mixer->hwbuf.fmt.channels;
5384 	mixer->track_fmt.sample_rate = mixer->hwbuf.fmt.sample_rate;
5386 	if (mixer->hwbuf.fmt.encoding == AUDIO_ENCODING_SLINEAR_OE &&
5387 	    mixer->hwbuf.fmt.precision == AUDIO_INTERNAL_BITS) {
5417 			mixer->codecarg.dstfmt = &mixer->hwbuf.fmt;
5419 			mixer->codecarg.srcfmt = &mixer->hwbuf.fmt;
5433 		    audio_encoding_name(mixer->hwbuf.fmt.encoding),
5434 		    mixer->hwbuf.fmt.precision);
5472 	bufsize = frametobyte(&mixer->hwbuf.fmt, mixer->hwbuf.capacity);
5474 	if (mixer->hwbuf.mem != NULL) {
5477 			sc->hw_if->freem(sc->hw_hdl, mixer->hwbuf.mem, bufsize);
5479 			kmem_free(mixer->hwbuf.mem, bufsize);
5481 		mixer->hwbuf.mem = NULL;
5514 	TRACE(2, "%smixseq=%d hwseq=%d hwbuf=%d/%d/%d%s",
5517 	    mixer->hwbuf.head, mixer->hwbuf.used, mixer->hwbuf.capacity,
5522 	while (mixer->hwbuf.used < mixer->frames_per_block * minimum) {
5530 	TRACE(3, "end   mixseq=%d hwseq=%d hwbuf=%d/%d/%d",
5532 	    mixer->hwbuf.head, mixer->hwbuf.used, mixer->hwbuf.capacity);
5553  *    hwbuf     [............]          NBLKHW blocks ring buffer
5562  *    hwbuf     [............]          NBLKHW blocks ring buffer
5566  * hwbuf:     HW encoding, HW precision,           HW ch, HW freq.
5570  * Performs track mixing and converts it to hwbuf.
5571  * Note that this function doesn't transfer hwbuf to hardware.
5589 	KASSERTMSG(auring_get_contig_free(&mixer->hwbuf) >= frame_count,
5591 	    auring_get_contig_free(&mixer->hwbuf), frame_count);
5690 		mixer->codecarg.dst = auring_tailptr(&mixer->hwbuf);
5699 		mixer->codecarg.dst = auring_tailptr(&mixer->hwbuf);
5702 		mixer->codecarg.dstfmt = &mixer->hwbuf.fmt;
5706 	auring_push(&mixer->hwbuf, frame_count);
5708 	TRACE(4, "done mixseq=%d hwbuf=%d/%d/%d%s",
5710 	    mixer->hwbuf.head, mixer->hwbuf.used, mixer->hwbuf.capacity,
5866  * Output one block from hwbuf to HW.
5880 	TRACE(4, "pbusy=%d hwbuf=%d/%d/%d",
5882 	    mixer->hwbuf.head, mixer->hwbuf.used, mixer->hwbuf.capacity);
5883 	KASSERTMSG(mixer->hwbuf.used >= mixer->frames_per_block,
5884 	    "mixer->hwbuf.used=%d mixer->frames_per_block=%d",
5885 	    mixer->hwbuf.used, mixer->frames_per_block);
5887 	blksize = frametobyte(&mixer->hwbuf.fmt, mixer->frames_per_block);
5892 			start = mixer->hwbuf.mem;
5893 			end = (uint8_t *)start + auring_bytelen(&mixer->hwbuf);
5894 			params = format2_to_params(&mixer->hwbuf.fmt);
5907 		start = auring_headptr(&mixer->hwbuf);
5949 	auring_take(&mixer->hwbuf, mixer->frames_per_block);
5952 	    "HW_INT ++hwseq=%" PRIu64 " cmplcnt=%" PRIu64 " hwbuf=%d/%d/%d",
5954 	    mixer->hwbuf.head, mixer->hwbuf.used, mixer->hwbuf.capacity);
5973 	if (mixer->hwbuf.used >= mixer->frames_per_block) {
5979 	if (mixer->hwbuf.used < mixer->frames_per_block) {
6028  *    hwbuf     [............]          NBLKHW blocks ring buffer
6039  *    hwbuf     [............]          NBLKHW blocks ring buffer
6044  * hwbuf:     HW encoding, HW precision, HW ch, HW freq.
6069 	count = auring_get_contig_used(&mixer->hwbuf);
6080 		mixer->codecarg.src = auring_headptr(&mixer->hwbuf);
6095 		codecarg.srcfmt = &mixer->hwbuf.fmt;
6119 			/* drain hwbuf */
6120 			auring_take(&mixer->hwbuf, count);
6124 		codecarg.src = auring_headptr(&mixer->hwbuf);
6131 	auring_take(&mixer->hwbuf, count);
6186  * Input one block from HW to hwbuf.
6200 	blksize = frametobyte(&mixer->hwbuf.fmt, mixer->frames_per_block);
6205 			start = mixer->hwbuf.mem;
6206 			end = (uint8_t *)start + auring_bytelen(&mixer->hwbuf);
6207 			params = format2_to_params(&mixer->hwbuf.fmt);
6220 		start = auring_tailptr(&mixer->hwbuf);
6262 	auring_push(&mixer->hwbuf, mixer->frames_per_block);
6265 	    "HW_INT ++hwseq=%" PRIu64 " cmplcnt=%" PRIu64 " hwbuf=%d/%d/%d",
6267 	    mixer->hwbuf.head, mixer->hwbuf.used, mixer->hwbuf.capacity);
6306 	sc->sc_pmixer->hwbuf.head = 0;
6307 	sc->sc_pmixer->hwbuf.used = 0;
6336 	sc->sc_rmixer->hwbuf.head = 0;
6337 	sc->sc_rmixer->hwbuf.used = 0;
7556 				hwfmt = &track->mixer->hwbuf.fmt;
8084 		phwfmt = sc->sc_pmixer->hwbuf.fmt;
8088 		rhwfmt = sc->sc_rmixer->hwbuf.fmt;