diff options
| author | mlelstv <mlelstv@NetBSD.org> | 2023-04-23 08:21:11 +0000 |
|---|---|---|
| committer | mlelstv <mlelstv@NetBSD.org> | 2023-04-23 08:21:11 +0000 |
| commit | 8d5c96c2733ceb3e67a538b0396880eebecf6df2 (patch) | |
| tree | b31a8110a8863d853ae39395c556c068f6a9d988 /sys/dev | |
| parent | d5abd618f382df5f46eb1e98b0129c24ae8dfbba (diff) | |
No longer use AUDIO_INTERNAL_BITS but rely on passed audio format.
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/pad/pad.c | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/sys/dev/pad/pad.c b/sys/dev/pad/pad.c index 7d059396141..9b71dfbb6ac 100644 --- a/sys/dev/pad/pad.c +++ b/sys/dev/pad/pad.c @@ -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 <jmcneill@invisible.ca> @@ -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 |
