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-rw-r--r--ctl/oss/Makefile.am10
-rw-r--r--ctl/oss/ctl_oss.c452
2 files changed, 0 insertions, 462 deletions
diff --git a/ctl/oss/Makefile.am b/ctl/oss/Makefile.am
deleted file mode 100644
index e8b6811..0000000
--- a/ctl/oss/Makefile.am
+++ /dev/null
@@ -1,10 +0,0 @@
-asound_module_ctl_oss_LTLIBRARIES = libasound_module_ctl_oss.la
-
-asound_module_ctl_ossdir = $(libdir)/alsa-lib
-
-AM_CFLAGS = -Wall -g @ALSA_CFLAGS@
-libasound_module_ctl_oss_la_SOURCES = ctl_oss.c
-libasound_module_ctl_oss_la_LDFLAGS = -module -avoid-version -export-dynamic
-libasound_module_ctl_oss_la_LIBADD = @ALSA_LIBS@
-
-#EXTRA_DIST = README
diff --git a/ctl/oss/ctl_oss.c b/ctl/oss/ctl_oss.c
deleted file mode 100644
index a7cfa8f..0000000
--- a/ctl/oss/ctl_oss.c
+++ /dev/null
@@ -1,452 +0,0 @@
-/*
- * ALSA <-> OSS mixer control plugin
- *
- * Copyright (c) 2005 by Takashi Iwai <tiwai@suse.de>
- *
- * This library is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as
- * published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-/*
- * TODO: implement the pseudo poll with thread (and pipe as pollfd)?
- */
-
-#include <stdio.h>
-#include <sys/ioctl.h>
-#include <alsa/asoundlib.h>
-#include <alsa/control_external.h>
-#include <linux/soundcard.h>
-
-typedef struct snd_ctl_oss {
- snd_ctl_ext_t ext;
- char *device;
- int fd;
- int exclusive_input;
- int stereo_mask;
- int num_vol_ctls;
- int vol_ctl[SOUND_MIXER_NRDEVICES];
- int num_rec_items;
- int rec_item[SOUND_MIXER_NRDEVICES];
-} snd_ctl_oss_t;
-
-static const char *vol_devices[SOUND_MIXER_NRDEVICES] = {
- [SOUND_MIXER_VOLUME] = "Master Playback Volume",
- [SOUND_MIXER_BASS] = "Tone Control - Bass",
- [SOUND_MIXER_TREBLE] = "Tone Control - Treble",
- [SOUND_MIXER_SYNTH] = "Synth Playback Volume",
- [SOUND_MIXER_PCM] = "PCM Playback Volume",
- [SOUND_MIXER_SPEAKER] = "PC Speaker Playback Volume",
- [SOUND_MIXER_LINE] = "Line Playback Volume",
- [SOUND_MIXER_MIC] = "Mic Playback Volume",
- [SOUND_MIXER_CD] = "CD Playback Volume",
- [SOUND_MIXER_IMIX] = "Monitor Mix Playback Volume",
- [SOUND_MIXER_ALTPCM] = "Headphone Playback Volume",
- [SOUND_MIXER_RECLEV] = "Capture Volume",
- [SOUND_MIXER_IGAIN] = "Capture Volume",
- [SOUND_MIXER_OGAIN] = "Playback Volume",
- [SOUND_MIXER_LINE1] = "Aux Playback Volume",
- [SOUND_MIXER_LINE2] = "Aux1 Playback Volume",
- [SOUND_MIXER_LINE3] = "Line1 Playback Volume",
- [SOUND_MIXER_DIGITAL1] = "IEC958 Playback Volume",
- [SOUND_MIXER_DIGITAL2] = "Digital Playback Volume",
- [SOUND_MIXER_DIGITAL3] = "Digital1 Playback Volume",
- [SOUND_MIXER_PHONEIN] = "Phone Playback Volume",
- [SOUND_MIXER_PHONEOUT] = "Master Mono Playback Volume",
- [SOUND_MIXER_VIDEO] = "Video Playback Volume",
- [SOUND_MIXER_RADIO] = "Radio Playback Volume",
- [SOUND_MIXER_MONITOR] = "Monitor Playback Volume",
-};
-
-static const char *rec_devices[SOUND_MIXER_NRDEVICES] = {
- [SOUND_MIXER_VOLUME] = "Mix Capture Switch",
- [SOUND_MIXER_SYNTH] = "Synth Capture Switch",
- [SOUND_MIXER_PCM] = "PCM Capture Switch",
- [SOUND_MIXER_LINE] = "Line Capture Switch",
- [SOUND_MIXER_MIC] = "Mic Capture Switch",
- [SOUND_MIXER_CD] = "CD Capture Switch",
- [SOUND_MIXER_LINE1] = "Aux Capture Switch",
- [SOUND_MIXER_LINE2] = "Aux1 Capture Switch",
- [SOUND_MIXER_LINE3] = "Line1 Capture Switch",
- [SOUND_MIXER_DIGITAL1] = "IEC958 Capture Switch",
- [SOUND_MIXER_DIGITAL2] = "Digital Capture Switch",
- [SOUND_MIXER_DIGITAL3] = "Digital1 Capture Switch",
- [SOUND_MIXER_PHONEIN] = "Phone Capture Switch",
- [SOUND_MIXER_VIDEO] = "Video Capture Switch",
- [SOUND_MIXER_RADIO] = "Radio Capture Switch",
-};
-
-static const char *rec_items[SOUND_MIXER_NRDEVICES] = {
- [SOUND_MIXER_VOLUME] = "Mix",
- [SOUND_MIXER_SYNTH] = "Synth",
- [SOUND_MIXER_PCM] = "PCM",
- [SOUND_MIXER_LINE] = "Line",
- [SOUND_MIXER_MIC] = "Mic",
- [SOUND_MIXER_CD] = "CD",
- [SOUND_MIXER_LINE1] = "Aux",
- [SOUND_MIXER_LINE2] = "Aux1",
- [SOUND_MIXER_LINE3] = "Line1",
- [SOUND_MIXER_DIGITAL1] = "IEC958",
- [SOUND_MIXER_DIGITAL2] = "Digital",
- [SOUND_MIXER_DIGITAL3] = "Digital1",
- [SOUND_MIXER_PHONEIN] = "Phone",
- [SOUND_MIXER_VIDEO] = "Video",
- [SOUND_MIXER_RADIO] = "Radio",
-};
-
-static void oss_close(snd_ctl_ext_t *ext)
-{
- snd_ctl_oss_t *oss = ext->private_data;
-
- close(oss->fd);
- free(oss->device);
- free(oss);
-}
-
-static int oss_elem_count(snd_ctl_ext_t *ext)
-{
- snd_ctl_oss_t *oss = ext->private_data;
- int num;
-
- num = oss->num_vol_ctls;
- if (oss->exclusive_input)
- num++;
- else if (oss->num_rec_items)
- num += oss->num_rec_items;
- return num;
-}
-
-static int oss_elem_list(snd_ctl_ext_t *ext, unsigned int offset, snd_ctl_elem_id_t *id)
-{
- snd_ctl_oss_t *oss = ext->private_data;
-
- snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
- if (offset < oss->num_vol_ctls)
- snd_ctl_elem_id_set_name(id, vol_devices[oss->vol_ctl[offset]]);
- else if (oss->exclusive_input)
- snd_ctl_elem_id_set_name(id, "Capture Source");
- else {
- offset -= oss->num_vol_ctls;
- snd_ctl_elem_id_set_name(id, rec_devices[oss->rec_item[offset]]);
- }
- return 0;
-}
-
-#define OSS_KEY_DEVICE_MASK 0x1f
-#define OSS_KEY_CAPTURE_FLAG (1 << 8)
-#define OSS_KEY_CAPTURE_MUX (1 << 16)
-
-static snd_ctl_ext_key_t oss_find_elem(snd_ctl_ext_t *ext,
- const snd_ctl_elem_id_t *id)
-{
- snd_ctl_oss_t *oss = ext->private_data;
- const char *name;
- int i, key;
-
- name = snd_ctl_elem_id_get_name(id);
- if (! strcmp(name, "Capture Source")) {
- if (oss->exclusive_input)
- return OSS_KEY_CAPTURE_MUX;
- else
- return SND_CTL_EXT_KEY_NOT_FOUND;
- }
- for (i = 0; i < oss->num_vol_ctls; i++) {
- key = oss->vol_ctl[i];
- if (! strcmp(name, vol_devices[key]))
- return key;
- }
- for (i = 0; i < oss->num_rec_items; i++) {
- key = oss->rec_item[i];
- if (! strcmp(name, rec_devices[key]))
- return key | OSS_KEY_CAPTURE_FLAG;
- }
- return SND_CTL_EXT_KEY_NOT_FOUND;
-}
-
-static int oss_get_attribute(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key,
- int *type, unsigned int *acc, unsigned int *count)
-{
- snd_ctl_oss_t *oss = ext->private_data;
-
- if (key == OSS_KEY_CAPTURE_MUX) {
- *type = SND_CTL_ELEM_TYPE_ENUMERATED;
- *acc = SND_CTL_EXT_ACCESS_READWRITE;
- *count = 1;
- } else if (key & OSS_KEY_CAPTURE_FLAG) {
- *type = SND_CTL_ELEM_TYPE_BOOLEAN;
- *acc = SND_CTL_EXT_ACCESS_READWRITE;
- *count = 1;
- } else {
- *type = SND_CTL_ELEM_TYPE_INTEGER;
- *acc = SND_CTL_EXT_ACCESS_READWRITE;
- if (oss->stereo_mask & (1 << key))
- *count = 2;
- else
- *count = 1;
- }
- return 0;
-}
-
-static int oss_get_integer_info(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key,
- long *imin, long *imax, long *istep)
-{
- *istep = 0;
- *imin = 0;
- *imax = 100;
- return 0;
-}
-
-static int oss_get_enumerated_info(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key,
- unsigned int *items)
-{
- snd_ctl_oss_t *oss = ext->private_data;
-
- *items = oss->num_rec_items;
- return 0;
-}
-
-static int oss_get_enumerated_name(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key,
- unsigned int item, char *name, size_t name_max_len)
-{
- snd_ctl_oss_t *oss = ext->private_data;
-
- if (item >= oss->num_rec_items)
- return -EINVAL;
- item = oss->rec_item[item];
- strncpy(name, rec_items[item], name_max_len - 1);
- name[name_max_len - 1] = 0;
- return 0;
-}
-
-static int oss_read_integer(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, long *value)
-{
- snd_ctl_oss_t *oss = ext->private_data;
- int val;
-
- if (key & OSS_KEY_CAPTURE_FLAG) {
- key &= OSS_KEY_DEVICE_MASK;
- if (ioctl(oss->fd, SOUND_MIXER_READ_RECSRC, &val) < 0)
- return -errno;
- *value = (val & (1 << key)) ? 1 : 0;
- } else {
- if (ioctl(oss->fd, MIXER_READ(key), &val) < 0)
- return -errno;
- *value = val & 0xff;
- if (oss->stereo_mask & (1 << key))
- value[1] = (val >> 8) & 0xff;
- }
- return 0;
-}
-
-static int oss_read_enumerated(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, unsigned int *items)
-{
- snd_ctl_oss_t *oss = ext->private_data;
- int i, val;
-
- *items = 0;
- if (ioctl(oss->fd, SOUND_MIXER_READ_RECSRC, &val) < 0)
- return -errno;
- for (i = 0; i < oss->num_rec_items; i++) {
- if (val & (1 << oss->rec_item[i])) {
- *items = i;
- break;
- }
- }
- return 0;
-}
-
-static int oss_write_integer(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, long *value)
-{
- snd_ctl_oss_t *oss = ext->private_data;
- int val, oval;
-
- if (key & OSS_KEY_CAPTURE_FLAG) {
- key &= OSS_KEY_DEVICE_MASK;
- if (ioctl(oss->fd, SOUND_MIXER_READ_RECSRC, &oval) < 0)
- return -errno;
- if (*value)
- val = oval | (1 << key);
- else
- val = oval & ~(1 << key);
- if (oval == val)
- return 0;
- if (ioctl(oss->fd, SOUND_MIXER_WRITE_RECSRC, &val) < 0)
- return -errno;
- return 1;
- } else {
- val = *value;
- if (oss->stereo_mask & (1 << key))
- val |= value[1] << 8;
- if (ioctl(oss->fd, MIXER_READ(key), &oval) < 0)
- return -errno;
- if (oval == val)
- return 0;
- if (ioctl(oss->fd, MIXER_WRITE(key), &val) < 0)
- return -errno;
- return 1;
- }
-}
-
-static int oss_write_enumerated(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key,
- unsigned int *items)
-{
- snd_ctl_oss_t *oss = ext->private_data;
- int val, oval;
-
- if (ioctl(oss->fd, SOUND_MIXER_READ_RECSRC, &oval) < 0)
- return -errno;
- val = 1 << oss->rec_item[*items];
- if (val == oval)
- return 0;
- if (ioctl(oss->fd, SOUND_MIXER_WRITE_RECSRC, &val) < 0)
- return -errno;
- return 1;
-}
-
-static int oss_read_event(snd_ctl_ext_t *ext, snd_ctl_elem_id_t *id,
- unsigned int *event_mask)
-{
- return -EAGAIN;
-}
-
-static snd_ctl_ext_callback_t oss_ext_callback = {
- .close = oss_close,
- .elem_count = oss_elem_count,
- .elem_list = oss_elem_list,
- .find_elem = oss_find_elem,
- .get_attribute = oss_get_attribute,
- .get_integer_info = oss_get_integer_info,
- .get_enumerated_info = oss_get_enumerated_info,
- .get_enumerated_name = oss_get_enumerated_name,
- .read_integer = oss_read_integer,
- .read_enumerated = oss_read_enumerated,
- .write_integer = oss_write_integer,
- .write_enumerated = oss_write_enumerated,
- .read_event = oss_read_event,
-};
-
-
-SND_CTL_PLUGIN_DEFINE_FUNC(oss)
-{
- snd_config_iterator_t it, next;
- const char *device = "/dev/mixer";
- struct mixer_info mixinfo;
- int i, err, val;
- snd_ctl_oss_t *oss;
-
- snd_config_for_each(it, next, conf) {
- snd_config_t *n = snd_config_iterator_entry(it);
- const char *id;
- if (snd_config_get_id(n, &id) < 0)
- continue;
- if (strcmp(id, "comment") == 0 || strcmp(id, "type") == 0)
- continue;
- if (strcmp(id, "device") == 0) {
- if (snd_config_get_string(n, &device) < 0) {
- SNDERR("Invalid type for %s", id);
- return -EINVAL;
- }
- continue;
- }
- SNDERR("Unknown field %s", id);
- return -EINVAL;
- }
-
- oss = calloc(1, sizeof(*oss));
- oss->device = strdup(device);
- oss->fd = -1;
- if (oss->device == NULL) {
- SNDERR("cannot allocate");
- free(oss);
- return -ENOMEM;
- }
- oss->fd = open(device, O_RDWR);
- if (oss->fd < 0) {
- err = -errno;
- SNDERR("Cannot open device %s", device);
- goto error;
- }
-
- if (ioctl(oss->fd, SOUND_MIXER_INFO, &mixinfo) < 0) {
- err = -errno;
- SNDERR("Cannot get mixer info for device %s", device);
- goto error;
- }
-
- oss->ext.version = SND_CTL_EXT_VERSION;
- oss->ext.card_idx = 0; /* FIXME */
- strncpy(oss->ext.id, mixinfo.id, sizeof(oss->ext.id) - 1);
- strcpy(oss->ext.driver, "OSS-Emulation");
- strncpy(oss->ext.name, mixinfo.name, sizeof(oss->ext.name) - 1);
- strncpy(oss->ext.longname, mixinfo.name, sizeof(oss->ext.longname) - 1);
- strncpy(oss->ext.mixername, mixinfo.name, sizeof(oss->ext.mixername) - 1);
- oss->ext.poll_fd = -1;
- oss->ext.callback = &oss_ext_callback;
- oss->ext.private_data = oss;
-
- oss->num_vol_ctls = 0;
- val = 0;
- if (ioctl(oss->fd, SOUND_MIXER_READ_DEVMASK, &val) < 0)
- perror("ctl_oss: DEVMASK error");
- else {
- for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
- if ((val & (1 << i)) && vol_devices[i])
- oss->vol_ctl[oss->num_vol_ctls++] = i;
- }
- }
-
- if (ioctl(oss->fd, SOUND_MIXER_READ_STEREODEVS, &oss->stereo_mask) < 0)
- perror("ctl_oss: STEREODEVS error");
- val = 0;
- if (ioctl(oss->fd, SOUND_MIXER_READ_CAPS, &val) < 0)
- perror("ctl_oss: MIXER_CAPS error");
- else if (val & SOUND_CAP_EXCL_INPUT)
- oss->exclusive_input = 1;
-
- oss->num_rec_items = 0;
- val = 0;
- if (ioctl(oss->fd, SOUND_MIXER_READ_RECMASK, &val) < 0)
- perror("ctl_oss: MIXER_RECMASK error");
- else {
- for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
- if (val & (1 << i)) {
- if (oss->exclusive_input) {
- if (! rec_items[i])
- continue;
- } else {
- if (! rec_devices[i])
- continue;
- }
- oss->rec_item[oss->num_rec_items++] = i;
- }
- }
- }
- if (! oss->num_rec_items)
- oss->exclusive_input = 0;
-
- err = snd_ctl_ext_create(&oss->ext, name, mode);
- if (err < 0)
- goto error;
-
- *handlep = oss->ext.handle;
- return 0;
-
- error:
- if (oss->fd >= 0)
- close(oss->fd);
- free(oss->device);
- free(oss);
- return err;
-}
-
-SND_CTL_PLUGIN_SYMBOL(oss);
generated by cgit (git 2.34.1) at 2025-06-16 18:44:03 +0000