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[src/trunk]: src/lib/libossaudio ossaudio(3): refactor library into separate ...
details: https://anonhg.NetBSD.org/src/rev/e2e9a8c9f9dc
branches: trunk
changeset: 1021608:e2e9a8c9f9dc
user: nia <nia%NetBSD.org@localhost>
date: Tue Jun 08 18:43:54 2021 +0000
description:
ossaudio(3): refactor library into separate files
diffstat:
lib/libossaudio/Makefile | 6 +-
lib/libossaudio/internal.h | 53 +
lib/libossaudio/oss3_mixer.c | 393 ++++++++
lib/libossaudio/oss4_global.c | 63 +
lib/libossaudio/oss4_mixer.c | 640 ++++++++++++++
lib/libossaudio/oss_caps.c | 78 +
lib/libossaudio/oss_dsp.c | 711 +++++++++++++++
lib/libossaudio/oss_ioctl.c | 26 +
lib/libossaudio/ossaudio.c | 1834 -----------------------------------------
9 files changed, 1968 insertions(+), 1836 deletions(-)
diffs (truncated from 3849 to 300 lines):
diff -r d9b493181972 -r e2e9a8c9f9dc lib/libossaudio/Makefile
--- a/lib/libossaudio/Makefile Tue Jun 08 16:15:11 2021 +0000
+++ b/lib/libossaudio/Makefile Tue Jun 08 18:43:54 2021 +0000
@@ -1,11 +1,13 @@
-# $NetBSD: Makefile,v 1.10 2012/05/05 15:57:45 christos Exp $
+# $NetBSD: Makefile,v 1.11 2021/06/08 18:43:54 nia Exp $
WARNS= 5
LIB= ossaudio
MAN= ossaudio.3
-SRCS= ossaudio.c
+SRCS= oss_caps.c oss_dsp.c oss_ioctl.c
+SRCS+= oss3_mixer.c oss4_mixer.c
+SRCS+= oss4_global.c
CPPFLAGS+= -I${.CURDIR}
diff -r d9b493181972 -r e2e9a8c9f9dc lib/libossaudio/internal.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/libossaudio/internal.h Tue Jun 08 18:43:54 2021 +0000
@@ -0,0 +1,53 @@
+/* $NetBSD: internal.h,v 1.1 2021/06/08 18:43:54 nia Exp $ */
+
+/*-
+ * Copyright (c) 1997-2021 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef OSSAUDIO_INTERNAL_H
+#define OSSAUDIO_INTERNAL_H
+
+#include <sys/ioctl.h>
+#include "soundcard.h"
+#undef ioctl
+
+#define TO_OSSVOL(x) (((x) * 100 + 127) / 255)
+#define FROM_OSSVOL(x) ((((x) > 100 ? 100 : (x)) * 255 + 50) / 100)
+
+#define INTARG (*(int*)argp)
+
+#define GET_DEV(com) ((com) & 0xff)
+
+#define oss_private __attribute__((__visibility__("hidden")))
+
+int _oss_ioctl(int, unsigned long, ...);
+
+oss_private int _oss_dsp_ioctl(int, unsigned long, void *);
+oss_private int _oss_get_caps(int, int *);
+oss_private int _oss3_mixer_ioctl(int, unsigned long, void *);
+oss_private int _oss4_mixer_ioctl(int, unsigned long, void *);
+oss_private int _oss4_global_ioctl(int, unsigned long, void *);
+
+#endif
diff -r d9b493181972 -r e2e9a8c9f9dc lib/libossaudio/oss3_mixer.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/libossaudio/oss3_mixer.c Tue Jun 08 18:43:54 2021 +0000
@@ -0,0 +1,393 @@
+/* $NetBSD: oss3_mixer.c,v 1.1 2021/06/08 18:43:54 nia Exp $ */
+
+/*-
+ * Copyright (c) 1997-2021 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/audioio.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include "internal.h"
+
+/* If the NetBSD mixer device should have more than NETBSD_MAXDEVS devices
+ * some will not be available to OSS applications */
+#define NETBSD_MAXDEVS 64
+
+struct audiodevinfo {
+ int done;
+ dev_t dev;
+ int16_t devmap[SOUND_MIXER_NRDEVICES],
+ rdevmap[NETBSD_MAXDEVS];
+ char names[NETBSD_MAXDEVS][MAX_AUDIO_DEV_LEN];
+ int enum2opaque[NETBSD_MAXDEVS];
+ u_long devmask, recmask, stereomask;
+ u_long caps;
+ int source;
+};
+
+static struct audiodevinfo *getdevinfo(int);
+static int opaque_to_enum(struct audiodevinfo *, audio_mixer_name_t *, int);
+static int enum_to_ord(struct audiodevinfo *, int);
+static int enum_to_mask(struct audiodevinfo *, int);
+
+oss_private int
+_oss3_mixer_ioctl(int fd, unsigned long com, void *argp)
+{
+ struct audiodevinfo *di;
+ struct mixer_info *omi;
+ struct audio_device adev;
+ mixer_ctrl_t mc;
+ u_long idat, n;
+ int i;
+ int retval;
+ int l, r, error, e;
+
+ idat = 0;
+ di = getdevinfo(fd);
+ if (di == 0)
+ return -1;
+
+ switch (com) {
+ case OSS_GETVERSION:
+ idat = SOUND_VERSION;
+ break;
+ case SOUND_MIXER_INFO:
+ case SOUND_OLD_MIXER_INFO:
+ error = ioctl(fd, AUDIO_GETDEV, &adev);
+ if (error)
+ return (error);
+ omi = argp;
+ if (com == SOUND_MIXER_INFO)
+ omi->modify_counter = 1;
+ strlcpy(omi->id, adev.name, sizeof omi->id);
+ strlcpy(omi->name, adev.name, sizeof omi->name);
+ return 0;
+ case SOUND_MIXER_READ_RECSRC:
+ if (di->source == -1) {
+ errno = EINVAL;
+ return -1;
+ }
+ mc.dev = di->source;
+ if (di->caps & SOUND_CAP_EXCL_INPUT) {
+ mc.type = AUDIO_MIXER_ENUM;
+ retval = ioctl(fd, AUDIO_MIXER_READ, &mc);
+ if (retval < 0)
+ return retval;
+ e = opaque_to_enum(di, NULL, mc.un.ord);
+ if (e >= 0)
+ idat = 1 << di->rdevmap[e];
+ } else {
+ mc.type = AUDIO_MIXER_SET;
+ retval = ioctl(fd, AUDIO_MIXER_READ, &mc);
+ if (retval < 0)
+ return retval;
+ e = opaque_to_enum(di, NULL, mc.un.mask);
+ if (e >= 0)
+ idat = 1 << di->rdevmap[e];
+ }
+ break;
+ case SOUND_MIXER_READ_DEVMASK:
+ idat = di->devmask;
+ break;
+ case SOUND_MIXER_READ_RECMASK:
+ idat = di->recmask;
+ break;
+ case SOUND_MIXER_READ_STEREODEVS:
+ idat = di->stereomask;
+ break;
+ case SOUND_MIXER_READ_CAPS:
+ idat = di->caps;
+ break;
+ case SOUND_MIXER_WRITE_RECSRC:
+ case SOUND_MIXER_WRITE_R_RECSRC:
+ if (di->source == -1) {
+ errno = EINVAL;
+ return -1;
+ }
+ mc.dev = di->source;
+ idat = INTARG;
+ if (di->caps & SOUND_CAP_EXCL_INPUT) {
+ mc.type = AUDIO_MIXER_ENUM;
+ for(i = 0; i < SOUND_MIXER_NRDEVICES; i++)
+ if (idat & (1 << i))
+ break;
+ if (i >= SOUND_MIXER_NRDEVICES ||
+ di->devmap[i] == -1) {
+ errno = EINVAL;
+ return -1;
+ }
+ mc.un.ord = enum_to_ord(di, di->devmap[i]);
+ } else {
+ mc.type = AUDIO_MIXER_SET;
+ mc.un.mask = 0;
+ for(i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
+ if (idat & (1 << i)) {
+ if (di->devmap[i] == -1) {
+ errno = EINVAL;
+ return -1;
+ }
+ mc.un.mask |=
+ enum_to_mask(di, di->devmap[i]);
+ }
+ }
+ }
+ return ioctl(fd, AUDIO_MIXER_WRITE, &mc);
+ default:
+ if (MIXER_READ(SOUND_MIXER_FIRST) <= com &&
+ com < MIXER_READ(SOUND_MIXER_NRDEVICES)) {
+ n = GET_DEV(com);
+ if (di->devmap[n] == -1) {
+ errno = EINVAL;
+ return -1;
+ }
+ mc.dev = di->devmap[n];
+ mc.type = AUDIO_MIXER_VALUE;
+ doread:
+ mc.un.value.num_channels =
+ di->stereomask & (1 << (u_int)n) ? 2 : 1;
+ retval = ioctl(fd, AUDIO_MIXER_READ, &mc);
+ if (retval < 0)
+ return retval;
+ if (mc.type != AUDIO_MIXER_VALUE) {
+ errno = EINVAL;
+ return -1;
+ }
+ if (mc.un.value.num_channels != 2) {
+ l = r =
+ mc.un.value.level[AUDIO_MIXER_LEVEL_MONO];
+ } else {
+ l = mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT];
+ r = mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
+ }
+ idat = TO_OSSVOL(l) | (TO_OSSVOL(r) << 8);
+ break;
+ } else if ((MIXER_WRITE_R(SOUND_MIXER_FIRST) <= com &&
+ com < MIXER_WRITE_R(SOUND_MIXER_NRDEVICES)) ||
+ (MIXER_WRITE(SOUND_MIXER_FIRST) <= com &&
+ com < MIXER_WRITE(SOUND_MIXER_NRDEVICES))) {
+ n = GET_DEV(com);
+ if (di->devmap[n] == -1) {
+ errno = EINVAL;
+ return -1;
+ }
+ idat = INTARG;
+ l = FROM_OSSVOL((u_int)idat & 0xff);
+ r = FROM_OSSVOL(((u_int)idat >> 8) & 0xff);
+ mc.dev = di->devmap[n];
+ mc.type = AUDIO_MIXER_VALUE;
+ if (di->stereomask & (1 << (u_int)n)) {
+ mc.un.value.num_channels = 2;
+ mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
+ mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
+ } else {
+ mc.un.value.num_channels = 1;
+ mc.un.value.level[AUDIO_MIXER_LEVEL_MONO] =
+ (l + r) / 2;
+ }
+ retval = ioctl(fd, AUDIO_MIXER_WRITE, &mc);
+ if (retval < 0)
+ return retval;
+ if (MIXER_WRITE(SOUND_MIXER_FIRST) <= com &&
+ com < MIXER_WRITE(SOUND_MIXER_NRDEVICES))
+ return 0;
+ goto doread;
+ } else {
+ errno = EINVAL;
+ return -1;
+ }
+ }
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