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https://github.com/alsa-project/alsa-tools.git
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Initial version
This commit is contained in:
Jaroslav Kysela
commit
8785f9288e
12 changed files with 2694 additions and 0 deletions
188
envy24control/mixer.c
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188
envy24control/mixer.c
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/*****************************************************************************
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mixer.c - mixer code
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Copyright (C) 2000 by Jaroslav Kysela <perex@suse.cz>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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******************************************************************************/
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#include "envy24control.h"
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#define toggle_set(widget, state) \
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gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(widget), state);
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static int is_active(GtkWidget *widget)
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{
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return GTK_TOGGLE_BUTTON(widget)->active ? 1 : 0;
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}
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void mixer_update_stream(int stream, int vol_flag, int sw_flag)
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{
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snd_control_t vol, sw;
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int err;
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if (vol_flag) {
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memset(&vol, 0, sizeof(vol));
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vol.id.iface = SND_CONTROL_IFACE_MIXER;
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strcpy(vol.id.name, stream <= 10 ? "Multi Playback Volume" : "Multi Capture Volume");
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vol.id.index = (stream - 1) % 10;
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if ((err = snd_ctl_cread(card_ctl, &vol)) < 0)
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g_print("Unable to read multi playback volume: %s\n", snd_strerror(err));
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gtk_adjustment_set_value(GTK_ADJUSTMENT(mixer_adj[stream-1][0]), 96 - vol.value.integer.value[0]);
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gtk_adjustment_set_value(GTK_ADJUSTMENT(mixer_adj[stream-1][1]), 96 - vol.value.integer.value[1]);
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if (vol.value.integer.value[0] != vol.value.integer.value[1])
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toggle_set(mixer_stereo_toggle[stream-1], FALSE);
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}
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if (sw_flag) {
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memset(&sw, 0, sizeof(sw));
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sw.id.iface = SND_CONTROL_IFACE_MIXER;
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strcpy(sw.id.name, stream <= 10 ? "Multi Playback Switch" : "Multi Capture Switch");
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sw.id.index = (stream - 1) % 10;
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if ((err = snd_ctl_cread(card_ctl, &sw)) < 0)
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g_print("Unable to read multi playback switch: %s\n", snd_strerror(err));
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toggle_set(mixer_solo_toggle[stream-1][0], sw.value.integer.value[0] ? TRUE : FALSE);
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toggle_set(mixer_solo_toggle[stream-1][1], sw.value.integer.value[1] ? TRUE : FALSE);
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toggle_set(mixer_mute_toggle[stream-1][0], !sw.value.integer.value[0] ? TRUE : FALSE);
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toggle_set(mixer_mute_toggle[stream-1][1], !sw.value.integer.value[1] ? TRUE : FALSE);
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if (sw.value.integer.value[0] != sw.value.integer.value[1])
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toggle_set(mixer_stereo_toggle[stream-1], FALSE);
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}
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}
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static void set_switch1(int stream, int left, int right)
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{
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snd_control_t sw;
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int err;
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memset(&sw, 0, sizeof(sw));
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sw.id.iface = SND_CONTROL_IFACE_MIXER;
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strcpy(sw.id.name, stream <= 10 ? "Multi Playback Switch" : "Multi Capture Switch");
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sw.id.index = (stream - 1) % 10;
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if ((err = snd_ctl_cread(card_ctl, &sw)) < 0)
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g_print("Unable to read multi switch: %s\n", snd_strerror(err));
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if (left >= 0)
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sw.value.integer.value[0] = left != 0;
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if (right >= 0)
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sw.value.integer.value[1] = right != 0;
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if ((err = snd_ctl_cwrite(card_ctl, &sw)) < 0 && err != -EBUSY)
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g_print("Unable to write multi switch: %s\n", snd_strerror(err));
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}
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void mixer_toggled_solo(GtkWidget *togglebutton, gpointer data)
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{
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int stream = (long)data >> 16;
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int button = (long)data & 1;
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int stereo = is_active(mixer_stereo_toggle[stream-1]) ? 1 : 0;
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int vol[2] = { -1, -1 };
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if (is_active(togglebutton)) {
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if (is_active(mixer_mute_toggle[stream-1][button]))
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toggle_set(mixer_mute_toggle[stream-1][button], FALSE);
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vol[button] = 1;
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if (stereo) {
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if (!is_active(mixer_solo_toggle[stream-1][button ^ 1]))
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toggle_set(mixer_solo_toggle[stream-1][button ^ 1], TRUE);
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if (is_active(mixer_mute_toggle[stream-1][button ^ 1]))
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toggle_set(mixer_mute_toggle[stream-1][button ^ 1], FALSE);
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vol[button ^ 1] = 1;
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}
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} else {
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if (!is_active(mixer_mute_toggle[stream-1][button]))
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toggle_set(mixer_mute_toggle[stream-1][button], TRUE);
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vol[button] = 0;
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if (stereo) {
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if (is_active(mixer_solo_toggle[stream-1][button ^ 1]))
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toggle_set(mixer_solo_toggle[stream-1][button ^ 1], FALSE);
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if (!is_active(mixer_mute_toggle[stream-1][button ^ 1]))
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toggle_set(mixer_mute_toggle[stream-1][button ^ 1], TRUE);
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vol[button ^ 1] = 0;
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}
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}
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set_switch1(stream, vol[0], vol[1]);
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}
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void mixer_toggled_mute(GtkWidget *togglebutton, gpointer data)
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{
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int stream = (long)data >> 16;
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int button = (long)data & 1;
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int stereo = is_active(mixer_stereo_toggle[stream-1]) ? 1 : 0;
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int vol[2] = { -1, -1 };
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if (is_active(togglebutton)) {
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if (is_active(mixer_solo_toggle[stream-1][button]))
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toggle_set(mixer_solo_toggle[stream-1][button], FALSE);
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vol[button] = 0;
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if (stereo) {
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if (!is_active(mixer_mute_toggle[stream-1][button ^ 1]))
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toggle_set(mixer_mute_toggle[stream-1][button ^ 1], TRUE);
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if (is_active(mixer_solo_toggle[stream-1][button ^ 1]))
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toggle_set(mixer_solo_toggle[stream-1][button ^ 1], FALSE);
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vol[button ^ 1] = 0;
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}
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} else {
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if (!is_active(mixer_solo_toggle[stream-1][button]))
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toggle_set(mixer_solo_toggle[stream-1][button], TRUE);
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vol[button] = 1;
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if (stereo) {
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if (is_active(mixer_mute_toggle[stream-1][button ^ 1]))
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toggle_set(mixer_mute_toggle[stream-1][button ^ 1], FALSE);
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if (!is_active(mixer_solo_toggle[stream-1][button ^ 1]))
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toggle_set(mixer_solo_toggle[stream-1][button ^ 1], TRUE);
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vol[button ^ 1] = 1;
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}
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}
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set_switch1(stream, vol[0], vol[1]);
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}
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static void set_volume1(int stream, int left, int right)
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{
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snd_control_t vol;
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int err;
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memset(&vol, 0, sizeof(vol));
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vol.id.iface = SND_CONTROL_IFACE_MIXER;
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strcpy(vol.id.name, stream <= 10 ? "Multi Playback Volume" : "Multi Capture Volume");
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vol.id.index = (stream - 1) % 10;
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if ((err = snd_ctl_cread(card_ctl, &vol)) < 0)
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g_print("Unable to read multi volume: %s\n", snd_strerror(err));
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if (left >= 0)
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vol.value.integer.value[0] = left;
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if (right >= 0)
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vol.value.integer.value[1] = right;
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if ((err = snd_ctl_cwrite(card_ctl, &vol)) < 0 && err != -EBUSY)
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g_print("Unable to write multi volume: %s\n", snd_strerror(err));
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}
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void mixer_adjust(GtkAdjustment *adj, gpointer data)
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{
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int stream = (long)data >> 16;
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int button = (long)data & 1;
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int stereo = is_active(mixer_stereo_toggle[stream-1]) ? 1 : 0;
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int vol[2] = { -1, -1 };
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vol[button] = 96 - adj->value;
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if (stereo) {
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gtk_adjustment_set_value(GTK_ADJUSTMENT(mixer_adj[stream-1][button ^ 1]), adj->value);
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vol[button ^ 1] = 96 - adj->value;
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}
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set_volume1(stream, vol[0], vol[1]);
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}
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void mixer_postinit(void)
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{
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int stream;
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for (stream = 1; stream <= 20; stream++)
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mixer_update_stream(stream, 1, 1);
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}
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