Module Name: src
Committed By: mlelstv
Date: Sun Apr 23 08:21:12 UTC 2023
Modified Files:
src/sys/dev/pad: pad.c
Log Message:
No longer use AUDIO_INTERNAL_BITS but rely on passed audio format.
To generate a diff of this commit:
cvs rdiff -u -r1.80 -r1.81 src/sys/dev/pad/pad.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/pad/pad.c
diff -u src/sys/dev/pad/pad.c:1.80 src/sys/dev/pad/pad.c:1.81
--- src/sys/dev/pad/pad.c:1.80 Mon Apr 10 15:04:49 2023
+++ src/sys/dev/pad/pad.c Sun Apr 23 08:21:11 2023
@@ -1,4 +1,4 @@
-/* $NetBSD: pad.c,v 1.80 2023/04/10 15:04:49 mlelstv Exp $ */
+/* $NetBSD: pad.c,v 1.81 2023/04/23 08:21:11 mlelstv Exp $ */
/*-
* Copyright (c) 2007 Jared D. McNeill <[email protected]>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pad.c,v 1.80 2023/04/10 15:04:49 mlelstv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pad.c,v 1.81 2023/04/23 08:21:11 mlelstv Exp $");
#include <sys/param.h>
#include <sys/types.h>
@@ -744,24 +744,40 @@ static void
pad_swvol_codec(audio_filter_arg_t *arg)
{
struct pad_softc *sc = arg->context;
- const aint_t *src;
+ const uint8_t *src;
uint8_t *dst;
u_int sample_count;
u_int i;
+ u_int bits;
src = arg->src;
dst = arg->dst;
sample_count = arg->count * arg->srcfmt->channels;
+ bits = arg->srcfmt->precision;
+
for (i = 0; i < sample_count; i++) {
- aint2_t v = (aint2_t)(*src++);
+ int32_t v;
+
+ switch (howmany(bits, NBBY)) {
+ case 2: /* AUDIO_INTERNAL_BITS == 16 */
+ v = *(const int16_t *)src;
+ src += sizeof(int16_t);
+ break;
+ case 4: /* AUDIO_INTERNAL_BITS == 32 */
+ v = *(const int32_t *)src;
+ src += sizeof(int32_t);
+ break;
+ default:
+ v = 0;
+ break;
+ }
+
v = v * sc->sc_swvol / 255;
- CTASSERT(PADPREC <= AUDIO_INTERNAL_BITS * 2);
-#if PADPREC > AUDIO_INTERNAL_BITS
- v = v << (PADPREC - AUDIO_INTERNAL_BITS);
-#elif PADPREC < AUDIO_INTERNAL_BITS
- v = v >> (AUDIO_INTERNAL_BITS - PADPREC);
-#endif
+ if (PADPREC > bits)
+ v = v << (PADPREC - bits);
+ else if (PADPREC < bits)
+ v = v >> (bits - PADPREC);
/* AUDIO_ENCODING_SLINEAR_LE */
#if PADPREC > 0
