[Pkg-wmaker-commits] [wmix] 34/44: Add native ALSA mixer support
Doug Torrance
dtorrance-guest at moszumanska.debian.org
Fri Sep 29 10:40:14 UTC 2017
This is an automated email from the git hooks/post-receive script.
dtorrance-guest pushed a commit to branch upstream
in repository wmix.
commit 5e267a79ec1754e8d50b6ef70bb15c18ac7153a9
Author: Johannes Holmberg <johannes at update.uu.se>
Date: Wed Sep 16 21:19:41 2015 -0400
Add native ALSA mixer support
---
Makefile | 6 +-
config.c | 38 +++--
include/config.h | 7 +-
include/mixer-alsa.h | 43 ++++++
include/mixer-oss.h | 42 ++++++
include/mixer.h | 49 +++----
mixer-alsa.c | 399 +++++++++++++++++++++++++++++++++++++++++++++++++++
mixer-oss.c | 116 ++++++++-------
wmix.c | 57 +++++++-
9 files changed, 654 insertions(+), 103 deletions(-)
diff --git a/Makefile b/Makefile
index 8f9a2eb..6e94a34 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
CC = gcc
-CFLAGS = -O3 -W -Wall
+CFLAGS = -std=gnu99 -O3 -W -Wall `pkg-config --cflags alsa`
LDFLAGS = -L/usr/X11R6/lib
-LIBS = -lXpm -lXext -lX11 -lm
-OBJECTS = misc.o config.o mixer-oss.o ui_x.o mmkeys.o wmix.o
+LIBS = -lXpm -lXext -lX11 -lm `pkg-config --libs alsa`
+OBJECTS = misc.o config.o mixer-alsa.o mixer-oss.o ui_x.o mmkeys.o wmix.o
# where to install this program (also for packaging stuff)
PREFIX = /usr/local
diff --git a/config.c b/config.c
index 7034271..c11c2fe 100644
--- a/config.c
+++ b/config.c
@@ -30,19 +30,21 @@
#include "include/common.h"
#include "include/config.h"
-
+#include "include/misc.h"
#define VERSION_TEXT \
"WMixer " VERSION " by timecop at japan.co.jp + skunk at mit.edu\n"
#define HELP_TEXT \
"usage:\n" \
+ " -a <api> use this sound api (oss or alsa) [alsa]\n" \
" -d <dsp> connect to remote X display\n" \
" -e <name> exclude channel, can be used many times\n" \
" -f <file> parse this config [~/.wmixrc]\n" \
" -h print this help\n" \
" -k disable grabing volume control keys\n" \
- " -m <dev> mixer device [/dev/mixer]\n" \
+ " -m <dev> oss mixer device [/dev/mixer]\n" \
+ " or alsa card name [default]\n" \
" -v verbose -> id, long name, name\n" \
/* The global configuration */
@@ -50,7 +52,7 @@ struct _Config config;
/* The default device used for Mixer control */
static const char default_mixer_device[] = "/dev/mixer";
-
+static const char default_card_name[] = "default";
/* Default color for OSD */
const char default_osd_color[] = "green";
@@ -61,8 +63,8 @@ const char default_osd_color[] = "green";
void config_init(void)
{
memset(&config, 0, sizeof(config));
-
- config.mixer_device = (char *) default_mixer_device;
+ config.api = 0;
+ config.mixer_device = NULL;
config.mousewheel = 1;
config.scrolltext = 1;
config.mmkeys = 1;
@@ -89,13 +91,14 @@ void config_release(void)
if (config.display_name)
free(config.display_name);
- if (config.mixer_device != default_mixer_device)
+ if (config.mixer_device != default_mixer_device
+ && config.mixer_device != default_card_name)
free(config.mixer_device);
if (config.osd_color != default_osd_color)
free(config.osd_color);
- for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
+ for (i = 0; i < EXCLUDE_MAX_COUNT; i++) {
if (config.exclude_channel[i])
free(config.exclude_channel[i]);
else
@@ -119,7 +122,7 @@ void parse_cli_options(int argc, char **argv)
config.verbose = false;
error_found = false;
for (;;) {
- opt = getopt(argc, argv, ":d:e:f:hkm:v");
+ opt = getopt(argc, argv, ":a:d:e:f:hkm:v");
if (opt == -1)
break;
@@ -133,7 +136,12 @@ void parse_cli_options(int argc, char **argv)
fprintf(stderr, "wmix:error: missing argument for option '-%c'\n", optopt);
error_found = true;
break;
-
+ case 'a':
+ if(!strcmp("oss", optarg))
+ config.api = 1;
+ else if (strcmp("alsa", optarg))
+ fprintf(stderr, "Warning: Incorrect sound api specified, defaulting to alsa\n");
+ break;
case 'd':
if (config.display_name)
free(config.display_name);
@@ -141,7 +149,7 @@ void parse_cli_options(int argc, char **argv)
break;
case 'e':
- if (count_exclude < SOUND_MIXER_NRDEVICES) {
+ if (count_exclude < EXCLUDE_MAX_COUNT) {
config.exclude_channel[count_exclude] = strdup(optarg);
count_exclude++;
} else
@@ -180,6 +188,13 @@ void parse_cli_options(int argc, char **argv)
}
config.exclude_channel[count_exclude] = NULL;
+ if (!config.mixer_device) {
+ if (config.api == 0)
+ config.mixer_device = (char *)default_card_name;
+ else if (config.api == 1)
+ config.mixer_device = (char *)default_mixer_device;
+ }
+
if (optind < argc) {
fprintf(stderr, "wmix:error: argument '%s' not understood\n", argv[optind]);
error_found = true;
@@ -296,9 +311,10 @@ void config_read(void)
} else if (strcmp(keyword, "exclude") == 0) {
int i;
- for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
+ for (i = 0; i < EXCLUDE_MAX_COUNT; i++) {
if (config.exclude_channel[i] == NULL) {
config.exclude_channel[i] = strdup(value);
+ config.exclude_channel[i+1] = NULL;
break;
}
diff --git a/include/config.h b/include/config.h
index 1f45fc9..609336d 100644
--- a/include/config.h
+++ b/include/config.h
@@ -20,9 +20,7 @@
#ifndef WMIX_CONFIG_H
#define WMIX_CONFIG_H
-/* Needed for SOUND_MIXER_NRDEVICES */
-#include <sys/soundcard.h>
-
+#define EXCLUDE_MAX_COUNT 100
/* Global Configuration */
extern struct _Config {
@@ -30,6 +28,7 @@ extern struct _Config {
char *display_name; /* X Display to connect to */
char *mixer_device; /* device file to use for controlling Mixer volumes */
+ unsigned int api; /* Sound API (0 = ALSA, 1 = OSS) */
unsigned int verbose : 1; /* be Verbose when starting */
unsigned int osd : 1; /* show OSD? */
unsigned int mousewheel : 1; /* mousewheel enabled? */
@@ -42,7 +41,7 @@ extern struct _Config {
float scrollstep; /* scroll mouse step adjustment */
char *osd_color; /* osd color */
- char *exclude_channel[SOUND_MIXER_NRDEVICES + 1]; /* Devices to exclude from GUI's list */
+ char *exclude_channel[EXCLUDE_MAX_COUNT + 1]; /* Devices to exclude from GUI's list */
} config;
/* Default color for OSD */
diff --git a/include/mixer-alsa.h b/include/mixer-alsa.h
new file mode 100644
index 0000000..263fb47
--- /dev/null
+++ b/include/mixer-alsa.h
@@ -0,0 +1,43 @@
+/* WMix 3.0 -- a mixer using the OSS mixer API.
+ * Copyright (C) 2000, 2001
+ * Daniel Richard G. <skunk at mit.edu>,
+ * timecop <timecop at japan.co.jp>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+void mixer_alsa_init(const char *mixer_oss_device,
+ bool verbose,
+ const char *exclude[]);
+bool mixer_alsa_is_changed(void);
+int mixer_alsa_get_channel_count(void);
+int mixer_alsa_get_channel(void);
+const char *mixer_alsa_get_channel_name(void);
+const char *mixer_alsa_get_short_name(void);
+void mixer_alsa_set_channel(int channel);
+void mixer_alsa_set_channel_rel(int delta_channel);
+float mixer_alsa_get_volume(void);
+void mixer_alsa_set_volume(float volume);
+void mixer_alsa_set_volume_rel(float delta_volume);
+float mixer_alsa_get_balance(void);
+void mixer_alsa_set_balance(float balance);
+void mixer_alsa_set_balance_rel(float delta_balance);
+void mixer_alsa_toggle_mute(void);
+void mixer_alsa_toggle_rec(void);
+bool mixer_alsa_is_muted(void);
+bool mixer_alsa_is_stereo(void);
+bool mixer_alsa_is_rec(void);
+bool mixer_alsa_can_rec (void);
+void mixer_alsa_tick(void);
diff --git a/include/mixer-oss.h b/include/mixer-oss.h
new file mode 100644
index 0000000..ae358cf
--- /dev/null
+++ b/include/mixer-oss.h
@@ -0,0 +1,42 @@
+/* WMix 3.0 -- a mixer using the OSS mixer API.
+ * Copyright (C) 2000, 2001
+ * Daniel Richard G. <skunk at mit.edu>,
+ * timecop <timecop at japan.co.jp>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+void mixer_oss_init(const char *mixer_oss_device,
+ bool verbose,
+ const char *exclude[]);
+bool mixer_oss_is_changed(void);
+int mixer_oss_get_channel_count(void);
+int mixer_oss_get_channel(void);
+const char *mixer_oss_get_channel_name(void);
+const char *mixer_oss_get_short_name(void);
+void mixer_oss_set_channel(int channel);
+void mixer_oss_set_channel_rel(int delta_channel);
+float mixer_oss_get_volume(void);
+void mixer_oss_set_volume(float volume);
+void mixer_oss_set_volume_rel(float delta_volume);
+float mixer_oss_get_balance(void);
+void mixer_oss_set_balance(float balance);
+void mixer_oss_set_balance_rel(float delta_balance);
+void mixer_oss_toggle_mute(void);
+void mixer_oss_toggle_rec(void);
+bool mixer_oss_is_muted(void);
+bool mixer_oss_is_stereo(void);
+bool mixer_oss_is_rec(void);
+bool mixer_oss_can_rec(void);
diff --git a/include/mixer.h b/include/mixer.h
index 0195291..116d8ed 100644
--- a/include/mixer.h
+++ b/include/mixer.h
@@ -55,27 +55,28 @@
* - Muting must occur independently of the volume level.
*/
-void mixer_init (const char *mixer_device,
- bool verbose,
- const char *exclude[]);
-bool mixer_is_changed (void);
-int mixer_get_channel_count (void);
-int mixer_get_channel (void);
-const char * mixer_get_channel_name (void);
-const char * mixer_get_short_name (void);
-void mixer_set_channel (int channel);
-void mixer_set_channel_rel (int delta_channel);
-float mixer_get_volume (void);
-void mixer_set_volume (float volume);
-void mixer_set_volume_rel (float delta_volume);
-float mixer_get_balance (void);
-void mixer_set_balance (float balance);
-void mixer_set_balance_rel (float delta_balance);
-void mixer_toggle_mute (void);
-void mixer_toggle_rec (void);
-bool mixer_is_muted (void);
-bool mixer_is_stereo (void);
-bool mixer_is_rec (void);
-bool mixer_can_rec (void);
-bool is_exclude (const char *short_name,
- const char *exclude[]);
+void (*mixer_init)(const char *mixer_device,
+ bool verbose,
+ const char *exclude[]);
+bool (*mixer_is_changed)(void);
+int (*mixer_get_channel_count)(void);
+int (*mixer_get_channel)(void);
+const char *(*mixer_get_channel_name)(void);
+const char *(*mixer_get_short_name)(void);
+void (*mixer_set_channel)(int channel);
+void (*mixer_set_channel_rel)(int delta_channel);
+float (*mixer_get_volume)(void);
+void (*mixer_set_volume)(float volume);
+void (*mixer_set_volume_rel)(float delta_volume);
+float (*mixer_get_balance)(void);
+void (*mixer_set_balance)(float balance);
+void (*mixer_set_balance_rel)(float delta_balance);
+void (*mixer_toggle_mute)(void);
+void (*mixer_toggle_rec)(void);
+bool (*mixer_is_muted)(void);
+bool (*mixer_is_stereo)(void);
+bool (*mixer_is_rec)(void);
+bool (*mixer_can_rec)(void);
+bool (*is_exclude)(const char *short_name,
+ const char *exclude[]);
+void (*mixer_tick)(void);
diff --git a/mixer-alsa.c b/mixer-alsa.c
new file mode 100644
index 0000000..065e01a
--- /dev/null
+++ b/mixer-alsa.c
@@ -0,0 +1,399 @@
+#include "include/common.h"
+#include "include/misc.h"
+#include "include/mixer-alsa.h"
+
+#include <alsa/asoundlib.h>
+
+static bool get_mixer_state(void);
+
+struct mixer_element {
+ const char *name; /* name of channel */
+ const char *sname; /* short name of the channel */
+ snd_mixer_elem_t *element; /* Mixer element pointer */
+ long min; /* Min volume */
+ long max; /* Max volume */
+ int dev; /* channel device number */
+ int prev_dev_lr_volume; /* last known left/right volume
+ * (in device format) */
+ float volume; /* volume, in [0, 1] */
+ float balance; /* balance, in [-1, 1] */
+ bool has_playback;
+ bool has_playback_switch;
+ bool has_capture;
+ bool has_capture_switch;
+ bool is_recording; /* is it recording? */
+ bool is_stereo; /* capable of stereo? */
+ bool is_muted; /* is it muted? */
+ int (*get_volume)(snd_mixer_elem_t *, snd_mixer_selem_channel_id_t, long *);
+ int (*set_volume)(snd_mixer_elem_t *, snd_mixer_selem_channel_id_t, long);
+};
+
+static snd_mixer_t *mixer;
+static struct mixer_element *element;
+static int cur_element = 0;
+static int n_elements;
+static bool needs_update = true;
+
+static int elem_callback(__attribute__((unused)) snd_mixer_elem_t *elem,
+ __attribute__((unused)) unsigned int mask)
+{
+ needs_update = true;
+ return 0;
+}
+
+static int mixer_callback(__attribute__((unused)) snd_mixer_t *ctl,
+ unsigned int mask,
+ snd_mixer_elem_t *elem)
+{
+ if (mask & SND_CTL_EVENT_MASK_ADD) {
+ snd_mixer_elem_set_callback(elem, elem_callback);
+ needs_update = true;
+ }
+ return 0;
+}
+
+static bool is_exclude(const char *short_name,
+ const char *exclude[])
+{
+ for (int i = 0; exclude[i] != NULL; i++) {
+ if (!strcmp(short_name, exclude[i])) {
+ return true;
+ }
+ }
+ return false;
+}
+
+void mixer_alsa_init(const char *mixer_device, bool verbose, const char * exclude[])
+{
+ int err;
+ static struct snd_mixer_selem_regopt selem_regopt = {
+ .ver = 1,
+ .abstract = SND_MIXER_SABSTRACT_NONE,
+ };
+ selem_regopt.device = mixer_device;
+ if (verbose) {
+ printf("Sound card: %s\n", mixer_device);
+ puts("Supported elements:");
+ }
+
+ if ((err = snd_mixer_open(&mixer, 0)) < 0) {
+ fprintf(stderr, "snd_mixer_open error");
+ mixer = NULL;
+ return;
+ }
+
+ if ((err = snd_mixer_selem_register(mixer, &selem_regopt, NULL)) < 0) {
+ fprintf(stderr, "snd_mixer_selem_register error");
+ snd_mixer_close(mixer);
+ mixer = NULL;
+ return;
+ }
+
+ snd_mixer_set_callback(mixer, mixer_callback);
+
+ if ((err = snd_mixer_load(mixer)) < 0) {
+ fprintf(stderr, "snd_mixer_load error");
+ snd_mixer_close(mixer);
+ mixer = NULL;
+ return;
+ }
+
+ int all_elements = snd_mixer_get_count(mixer);
+ element = (struct mixer_element *)malloc(all_elements *
+ sizeof(struct mixer_element));
+ memset(element, 0, all_elements * sizeof(struct mixer_element));
+ snd_mixer_elem_t *elem = snd_mixer_first_elem(mixer);
+
+ int f = 0;
+ for (int e = 0; e < all_elements; e++) {
+ element[f].element = elem;
+ element[f].name = snd_mixer_selem_get_name(elem);
+
+ if (is_exclude(element[f].name, exclude)) {
+ if (verbose)
+ printf(" x: '%s' - disabled\n", element[f].name);
+ elem = snd_mixer_elem_next(elem);
+ continue;
+ }
+
+ element[f].sname = element[f].name;
+
+ element[f].has_capture = snd_mixer_selem_has_capture_volume(elem);
+ element[f].has_capture &= snd_mixer_selem_has_capture_channel(elem, SND_MIXER_SCHN_FRONT_LEFT);
+
+ element[f].has_playback = snd_mixer_selem_has_playback_volume(elem);
+ element[f].has_playback &= snd_mixer_selem_has_playback_channel(elem,SND_MIXER_SCHN_FRONT_LEFT);
+
+ if (element[f].has_playback) {
+ snd_mixer_selem_get_playback_volume_range(elem, &(element[f].min), &(element[f].max));
+ element[f].is_stereo = !snd_mixer_selem_is_playback_mono(elem);
+ element[f].is_stereo &= snd_mixer_selem_has_playback_channel(elem,SND_MIXER_SCHN_FRONT_RIGHT);
+ element[f].get_volume = snd_mixer_selem_get_playback_volume;
+ element[f].set_volume = snd_mixer_selem_set_playback_volume;
+ element[f].has_playback_switch = snd_mixer_selem_has_playback_switch(elem);
+ }
+ else if (element[f].has_capture) {
+ snd_mixer_selem_get_capture_volume_range(elem, &(element[f].min), &(element[f].max));
+ element[f].is_stereo = !snd_mixer_selem_is_capture_mono(element[f].element);
+ element[f].is_stereo &= snd_mixer_selem_has_capture_channel(elem,SND_MIXER_SCHN_FRONT_RIGHT);
+ element[f].get_volume = snd_mixer_selem_get_capture_volume;
+ element[f].set_volume = snd_mixer_selem_set_capture_volume;
+ element[f].has_capture_switch = snd_mixer_selem_has_capture_switch(elem);
+ } else {
+ elem = snd_mixer_elem_next(elem);
+ continue;
+ }
+
+ if (verbose) {
+ printf(" %d: '%s'%s%s%s%s %s (%ld - %ld)\n",
+ f,
+ element[f].name,
+ element[f].has_playback? " pvolume" : "",
+ element[f].has_playback_switch? " pswitch" : "",
+ element[f].has_capture? " cvolume" : "",
+ element[f].has_capture_switch? " cswitch" : "",
+ element[f].is_stereo? "Stereo" : "Mono",
+ element[f].min, element[f].max);
+ }
+
+ elem = snd_mixer_elem_next(elem);
+ f++;
+ }
+ n_elements = f;
+ get_mixer_state();
+}
+
+static bool element_is_muted(int e)
+{
+ if (!element[e].has_playback_switch)
+ return false;
+
+ snd_mixer_elem_t *elem = element[e].element;
+ int left_on;
+ snd_mixer_selem_get_playback_switch(elem, SND_MIXER_SCHN_FRONT_LEFT, &left_on);
+ if (left_on)
+ return false;
+ if (element[e].is_stereo) {
+ int right_on;
+ snd_mixer_selem_get_playback_switch(elem, SND_MIXER_SCHN_FRONT_RIGHT, &right_on);
+ if (right_on)
+ return false;
+ }
+ return true;
+}
+
+static bool element_is_recording(int e)
+{
+ if (!element[e].has_capture_switch)
+ return false;
+
+ snd_mixer_elem_t *elem = element[e].element;
+ int left_on;
+ snd_mixer_selem_get_capture_switch(elem, SND_MIXER_SCHN_FRONT_LEFT, &left_on);
+ if (left_on)
+ return true;
+ if (element[e].is_stereo) {
+ int right_on;
+ snd_mixer_selem_get_capture_switch(elem, SND_MIXER_SCHN_FRONT_RIGHT, &right_on);
+ if (right_on)
+ return true;
+ }
+ return false;
+}
+
+static bool get_mixer_state(void)
+{
+ if (!needs_update)
+ return false;
+ needs_update = false;
+
+ for (int e = 0; e < n_elements; e++) {
+ snd_mixer_elem_t *elem = element[e].element;
+ long left, right;
+
+ element[e].get_volume(elem, SND_MIXER_SCHN_FRONT_LEFT, &left);
+ float fleft = 1.0 * (left-element[e].min) / (element[e].max-element[e].min);
+ if (element[e].is_stereo) {
+ element[e].get_volume(elem, SND_MIXER_SCHN_FRONT_RIGHT, &right);
+ float fright = 1.0 * (right-element[e].min) /
+ (element[e].max-element[e].min);
+ lr_to_vb(fleft, fright, &(element[e].volume), &(element[e].balance));
+ } else {
+ element[e].volume = fleft;
+ element[e].balance = 0.0;
+ }
+
+ element[e].is_muted = element_is_muted(e);
+ element[e].is_recording = element_is_recording(e);
+
+ //printf("Channel %s, has_vol: %d, stereo: %d, muted: %d, max: %ld, min: %ld, left: %ld, right: %ld, vol: %f, bal: %f\n", element[e].name, element[e].has_playback, element[e].is_stereo, element[e].is_muted, element[e].max, element[e].min, left, element[e].is_stereo?right:-1, element[e].volume, element[e].balance);
+ }
+ return true;
+}
+
+static void set_mixer_state(void)
+{
+ float left, right;
+ long dev_left_volume, dev_right_volume;
+ if (!element[cur_element].has_playback && !element[cur_element].has_capture)
+ return;
+
+ bool muted = element_is_muted(cur_element);
+ if (muted != element[cur_element].is_muted) {
+ snd_mixer_selem_set_playback_switch_all(element[cur_element].element,
+ element[cur_element].is_muted?
+ 0:1);
+ }
+
+ bool recording = element_is_recording(cur_element);
+ if (recording != element[cur_element].is_recording) {
+ snd_mixer_selem_set_capture_switch_all(element[cur_element].element,
+ element[cur_element].is_recording?
+ 1:0);
+ }
+
+ if (element[cur_element].is_stereo)
+ vb_to_lr(element[cur_element].volume,
+ element[cur_element].balance, &left, &right);
+ else
+ left = element[cur_element].volume;
+
+ long range = element[cur_element].max - element[cur_element].min;
+ dev_left_volume = element[cur_element].min + (long) (range * left);
+ element[cur_element].set_volume(element[cur_element].element,
+ SND_MIXER_SCHN_FRONT_LEFT,
+ dev_left_volume);
+ if (element[cur_element].is_stereo) {
+ dev_right_volume = element[cur_element].min + (long) (range * right);
+ element[cur_element].set_volume(element[cur_element].element,
+ SND_MIXER_SCHN_FRONT_RIGHT,
+ dev_right_volume);
+ }
+}
+
+bool mixer_alsa_is_changed(void)
+{
+ return get_mixer_state();
+}
+
+int mixer_alsa_get_channel_count(void)
+{
+ return n_elements;
+}
+
+int mixer_alsa_get_channel(void)
+{
+ return cur_element;
+}
+
+const char *mixer_alsa_get_channel_name(void)
+{
+ return element[cur_element].name;
+}
+
+const char *mixer_alsa_get_short_name(void)
+{
+ return element[cur_element].sname;
+}
+
+void mixer_alsa_set_channel(int element)
+{
+ assert((element >= 0) && (element < n_elements));
+
+ cur_element = element;
+ get_mixer_state();
+}
+
+void mixer_alsa_set_channel_rel(int delta_element)
+{
+ cur_element = (cur_element + delta_element) % n_elements;
+ if (cur_element < 0)
+ cur_element += n_elements;
+ get_mixer_state();
+}
+
+float mixer_alsa_get_volume(void)
+{
+ get_mixer_state();
+ return element[cur_element].volume;
+}
+
+void mixer_alsa_set_volume(float volume)
+{
+ assert((volume >= 0.0) && (volume <= 1.0));
+ element[cur_element].volume = volume;
+ set_mixer_state();
+}
+
+void mixer_alsa_set_volume_rel(float delta_volume)
+{
+ element[cur_element].volume += delta_volume;
+ element[cur_element].volume = CLAMP(element[cur_element].volume, 0.0, 1.0);
+ set_mixer_state();
+}
+
+float mixer_alsa_get_balance(void)
+{
+ get_mixer_state();
+ return element[cur_element].balance;
+}
+
+void mixer_alsa_set_balance(float balance)
+{
+ assert((balance >= -1.0) && (balance <= 1.0));
+ if (element[cur_element].is_stereo) {
+ element[cur_element].balance = balance;
+ set_mixer_state();
+ }
+}
+
+void mixer_alsa_set_balance_rel(float delta_balance)
+{
+ if (element[cur_element].is_stereo) {
+ element[cur_element].balance += delta_balance;
+ element[cur_element].balance =
+ CLAMP(element[cur_element].balance, -1.0, 1.0);
+ set_mixer_state();
+ }
+}
+
+void mixer_alsa_toggle_mute(void)
+{
+ if (element[cur_element].has_playback_switch) {
+ element[cur_element].is_muted ^= 1;
+ set_mixer_state();
+ }
+}
+
+void mixer_alsa_toggle_rec(void)
+{
+ if (element[cur_element].has_capture_switch) {
+ element[cur_element].is_recording ^= 1;
+ set_mixer_state();
+ }
+}
+
+bool mixer_alsa_is_muted(void)
+{
+ return element[cur_element].is_muted;
+}
+
+bool mixer_alsa_is_stereo(void)
+{
+ return element[cur_element].is_stereo;
+}
+
+bool mixer_alsa_is_rec(void)
+{
+ return element[cur_element].is_recording;
+}
+
+bool mixer_alsa_can_rec(void)
+{
+ return element[cur_element].has_capture;
+}
+
+void mixer_alsa_tick(void)
+{
+ snd_mixer_handle_events(mixer);
+}
diff --git a/mixer-oss.c b/mixer-oss.c
index 3f0ca8f..0c0e03f 100644
--- a/mixer-oss.c
+++ b/mixer-oss.c
@@ -32,7 +32,7 @@
#include "include/common.h"
#include "include/misc.h"
-#include "include/mixer.h"
+#include "include/mixer-oss.h"
#define WMVOLUME_CHANNEL_NAMES \
"Master volume", \
@@ -221,7 +221,43 @@ static void set_record_state(void)
}
}
-void mixer_init(const char *mixer_device, bool verbose, const char * exclude[])
+static bool is_exclude(const char *short_name, const char *exclude[])
+{
+ int count;
+ int len;
+
+ for (count = 0; exclude[count] != NULL; count++) {
+
+ /*
+ * Short names may be padded with spaces, because apparently there is a minimum
+ * length requirement of 6 characters for the name, and we do not want to
+ * include this padding in the match
+ */
+ len = strlen(short_name);
+ while (len > 0) {
+ if (short_name[len - 1] == ' ')
+ len--;
+ else
+ break;
+ }
+
+ if (strncmp(short_name, exclude[count], len) != 0)
+ continue;
+
+ if (exclude[count][len] != '\0')
+ continue;
+
+ /* Check the remaining in short name is only space */
+ while (short_name[len] == ' ')
+ len++;
+
+ if (short_name[len] == '\0')
+ return true;
+ }
+ return false;
+}
+
+void mixer_oss_init(const char *mixer_device, bool verbose, const char * exclude[])
{
int devmask, srcmask, recmask, stmask;
struct mixer_info m_info;
@@ -288,32 +324,32 @@ void mixer_init(const char *mixer_device, bool verbose, const char * exclude[])
get_mixer_state();
}
-bool mixer_is_changed(void)
+bool mixer_oss_is_changed(void)
{
return get_mixer_state();
}
-int mixer_get_channel_count(void)
+int mixer_oss_get_channel_count(void)
{
return n_channels;
}
-int mixer_get_channel(void)
+int mixer_oss_get_channel(void)
{
return cur_channel;
}
-const char *mixer_get_channel_name(void)
+const char *mixer_oss_get_channel_name(void)
{
return mixer[cur_channel].name;
}
-const char *mixer_get_short_name(void)
+const char *mixer_oss_get_short_name(void)
{
return mixer[cur_channel].sname;
}
-void mixer_set_channel(int channel)
+void mixer_oss_set_channel(int channel)
{
assert((channel >= 0) && (channel < n_channels));
@@ -321,7 +357,7 @@ void mixer_set_channel(int channel)
get_record_state();
}
-void mixer_set_channel_rel(int delta_channel)
+void mixer_oss_set_channel_rel(int delta_channel)
{
cur_channel = (cur_channel + delta_channel) % n_channels;
if (cur_channel < 0)
@@ -329,13 +365,13 @@ void mixer_set_channel_rel(int delta_channel)
get_record_state();
}
-float mixer_get_volume(void)
+float mixer_oss_get_volume(void)
{
get_mixer_state();
return mixer[cur_channel].volume;
}
-void mixer_set_volume(float volume)
+void mixer_oss_set_volume(float volume)
{
assert((volume >= 0.0) && (volume <= 1.0));
@@ -343,20 +379,20 @@ void mixer_set_volume(float volume)
set_mixer_state();
}
-void mixer_set_volume_rel(float delta_volume)
+void mixer_oss_set_volume_rel(float delta_volume)
{
mixer[cur_channel].volume += delta_volume;
mixer[cur_channel].volume = CLAMP(mixer[cur_channel].volume, 0.0, 1.0);
set_mixer_state();
}
-float mixer_get_balance(void)
+float mixer_oss_get_balance(void)
{
get_mixer_state();
return mixer[cur_channel].balance;
}
-void mixer_set_balance(float balance)
+void mixer_oss_set_balance(float balance)
{
assert((balance >= -1.0) && (balance <= 1.0));
@@ -366,7 +402,7 @@ void mixer_set_balance(float balance)
}
}
-void mixer_set_balance_rel(float delta_balance)
+void mixer_oss_set_balance_rel(float delta_balance)
{
if (mixer[cur_channel].is_stereo) {
mixer[cur_channel].balance += delta_balance;
@@ -376,14 +412,14 @@ void mixer_set_balance_rel(float delta_balance)
}
}
-void mixer_toggle_mute(void)
+void mixer_oss_toggle_mute(void)
{
mixer[cur_channel].is_muted = !mixer[cur_channel].is_muted;
set_mixer_state();
}
-void mixer_toggle_rec(void)
+void mixer_oss_toggle_rec(void)
{
if (mixer[cur_channel].can_record) {
mixer[cur_channel].is_recording = !mixer[cur_channel].is_recording;
@@ -392,60 +428,22 @@ void mixer_toggle_rec(void)
}
}
-bool mixer_is_muted(void)
+bool mixer_oss_is_muted(void)
{
return mixer[cur_channel].is_muted;
}
-bool mixer_is_stereo(void)
+bool mixer_oss_is_stereo(void)
{
return mixer[cur_channel].is_stereo;
}
-bool mixer_is_rec(void)
+bool mixer_oss_is_rec(void)
{
return mixer[cur_channel].is_recording;
}
-bool mixer_can_rec(void)
+bool mixer_oss_can_rec(void)
{
return mixer[cur_channel].can_record;
}
-
-bool is_exclude(const char *short_name, const char *exclude[])
-{
- int count;
- int len;
-
- for (count = 0; count < SOUND_MIXER_NRDEVICES; count++) {
- if (exclude[count] == NULL)
- break;
-
- /*
- * Short names may be padded with spaces, because apparently there is a minimum
- * length requirement of 6 characters for the name, and we do not want to
- * include this padding in the match
- */
- len = strlen(short_name);
- while (len > 0) {
- if (short_name[len - 1] == ' ')
- len--;
- else
- break;
- }
-
- if (strncmp(short_name, exclude[count], len) != 0)
- continue;
-
- if (exclude[count][len] != '\0')
- continue;
-
- /* Check the remaining in short name is only space */
- while (short_name[len] == ' ')
- len++;
-
- if (short_name[len] == '\0')
- return true;
- }
- return false;
-}
diff --git a/wmix.c b/wmix.c
index b2ff99f..13d1593 100644
--- a/wmix.c
+++ b/wmix.c
@@ -31,14 +31,14 @@
#include <X11/Xlib.h>
#include <X11/Xutil.h>
-#include <sys/soundcard.h>
-
#include "include/common.h"
#include "include/mixer.h"
#include "include/misc.h"
#include "include/ui_x.h"
#include "include/mmkeys.h"
#include "include/config.h"
+#include "include/mixer-oss.h"
+#include "include/mixer-alsa.h"
static Display *display;
@@ -58,6 +58,7 @@ static void button_press_event(XButtonEvent *event);
static void button_release_event(XButtonEvent *event);
static int key_press_event(XKeyEvent *event);
static void motion_event(XMotionEvent *event);
+static void choose_api(int api);
int main(int argc, char **argv)
@@ -67,6 +68,7 @@ int main(int argc, char **argv)
config_init();
parse_cli_options(argc, argv);
config_read();
+ choose_api(config.api);
mixer_init(config.mixer_device, config.verbose, (const char **)config.exclude_channel);
mixer_set_channel(0);
@@ -154,6 +156,8 @@ int main(int argc, char **argv)
}
} else {
usleep(100000);
+ if (mixer_tick)
+ mixer_tick();
scroll_text(3, 4, 57, false);
/* rescroll message after some delay */
if (idle_loop++ > 256) {
@@ -196,6 +200,55 @@ static void signal_catch(int sig)
}
}
+static void choose_api(int api)
+{
+ if (api == 0) {
+ mixer_init = &mixer_alsa_init;
+ mixer_is_changed = &mixer_alsa_is_changed;
+ mixer_get_channel_count = mixer_alsa_get_channel_count;
+ mixer_get_channel = mixer_alsa_get_channel;
+ mixer_get_channel_name = mixer_alsa_get_channel_name;
+ mixer_get_short_name = mixer_alsa_get_short_name;
+ mixer_set_channel = mixer_alsa_set_channel;
+ mixer_set_channel_rel = mixer_alsa_set_channel_rel;
+ mixer_get_volume = mixer_alsa_get_volume;
+ mixer_set_volume = mixer_alsa_set_volume;
+ mixer_set_volume_rel = mixer_alsa_set_volume_rel;
+ mixer_get_balance = mixer_alsa_get_balance;
+ mixer_set_balance = mixer_alsa_set_balance;
+ mixer_set_balance_rel = mixer_alsa_set_balance_rel;
+ mixer_toggle_mute = mixer_alsa_toggle_mute;
+ mixer_toggle_rec = mixer_alsa_toggle_rec;
+ mixer_is_muted = mixer_alsa_is_muted;
+ mixer_is_stereo = mixer_alsa_is_stereo;
+ mixer_is_rec = mixer_alsa_is_rec;
+ mixer_can_rec = mixer_alsa_can_rec;
+ mixer_tick = mixer_alsa_tick;
+ } else if (api == 1) {
+ mixer_init = &mixer_oss_init;
+ mixer_is_changed = &mixer_oss_is_changed;
+ mixer_get_channel_count = mixer_oss_get_channel_count;
+ mixer_get_channel = mixer_oss_get_channel;
+ mixer_get_channel_name = mixer_oss_get_channel_name;
+ mixer_get_short_name = mixer_oss_get_short_name;
+ mixer_set_channel = mixer_oss_set_channel;
+ mixer_set_channel_rel = mixer_oss_set_channel_rel;
+ mixer_get_volume = mixer_oss_get_volume;
+ mixer_set_volume = mixer_oss_set_volume;
+ mixer_set_volume_rel = mixer_oss_set_volume_rel;
+ mixer_get_balance = mixer_oss_get_balance;
+ mixer_set_balance = mixer_oss_set_balance;
+ mixer_set_balance_rel = mixer_oss_set_balance_rel;
+ mixer_toggle_mute = mixer_oss_toggle_mute;
+ mixer_toggle_rec = mixer_oss_toggle_rec;
+ mixer_is_muted = mixer_oss_is_muted;
+ mixer_is_stereo = mixer_oss_is_stereo;
+ mixer_is_rec = mixer_oss_is_rec;
+ mixer_can_rec = mixer_oss_can_rec;
+ mixer_tick = NULL;
+ }
+}
+
static void button_press_event(XButtonEvent *event)
{
double button_press_time = get_current_time();
--
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