mirror of
https://github.com/alsa-project/alsa-utils
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The alsamixer program is back for the mixer v2 API (group control).
This program has a lot of bugs: - dynamic updates handling - mono volume control handling
This commit is contained in:
Jaroslav Kysela
parent
744b833c5b
commit
277a86c3ad
3 changed files with 1592 additions and 2607 deletions
File diff suppressed because it is too large
Load diff
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@ -1,964 +0,0 @@
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/* AlsaMixer - Commandline mixer for the ALSA project
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* Copyright (C) 1998 Jaroslav Kysela <perex@suse.cz>,
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* Tim Janik <timj@gtk.org>,
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* Carl van Schaik <carl@dreamcoat.che.uct.ac.za>
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*
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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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*
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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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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; 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 <stdio.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <errno.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/signal.h>
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#ifndef CURSESINC
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#include <ncurses.h>
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#else
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#include CURSESINC
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#endif
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#include <time.h>
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#include <sys/asoundlib.h>
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/* example compilation commandline:
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* clear; gcc -Wall -pipe -O2 alsamixer.c -o alsamixer -lncurses
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*/
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/* --- defines --- */
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#define PRGNAME "alsamixer"
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#define PRGNAME_UPPER "AlsaMixer"
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#define VERSION "v0.9"
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#undef MAX
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#define MAX(a, b) (((a) > (b)) ? (a) : (b))
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#undef MIN
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#define MIN(a, b) (((a) < (b)) ? (a) : (b))
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#undef ABS
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#define ABS(a) (((a) < 0) ? -(a) : (a))
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#undef CLAMP
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#define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x)))
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#define MIXER_MIN_X (23) /* minimum: 23 */
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#define MIXER_MIN_Y (19) /* minimum: 19 */
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#define MIXER_BLACK (COLOR_BLACK)
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#define MIXER_DARK_RED (COLOR_RED)
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#define MIXER_RED (COLOR_RED | A_BOLD)
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#define MIXER_GREEN (COLOR_GREEN | A_BOLD)
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#define MIXER_ORANGE (COLOR_YELLOW)
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#define MIXER_YELLOW (COLOR_YELLOW | A_BOLD)
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#define MIXER_MARIN (COLOR_BLUE)
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#define MIXER_BLUE (COLOR_BLUE | A_BOLD)
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#define MIXER_MAGENTA (COLOR_MAGENTA)
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#define MIXER_DARK_CYAN (COLOR_CYAN)
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#define MIXER_CYAN (COLOR_CYAN | A_BOLD)
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#define MIXER_GREY (COLOR_WHITE)
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#define MIXER_GRAY (MIXER_GREY)
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#define MIXER_WHITE (COLOR_WHITE | A_BOLD)
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/* --- variables --- */
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static WINDOW *mixer_window = NULL;
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static int mixer_max_x = 0;
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static int mixer_max_y = 0;
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static int mixer_ofs_x = 0;
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static float mixer_extra_space = 0;
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static int mixer_ofs_y = 0;
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static int mixer_cbar_height = 0;
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static int card_id = 0;
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static int mixer_id = 0;
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static void *mixer_handle;
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static char *mixer_card_name = NULL;
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static char *mixer_device_name = NULL;
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static int mixer_n_channels = 0;
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static int mixer_n_vis_channels = 0;
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static int mixer_first_vis_channel = 0;
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static int mixer_focus_channel = 0;
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static int mixer_exact = 0;
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static int mixer_input_volumes = 0;
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static int mixer_lvolume_delta = 0;
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static int mixer_rvolume_delta = 0;
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static int mixer_balance_volumes = 0;
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static int mixer_toggle_mute_left = 0;
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static int mixer_toggle_mute_right = 0;
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/* By Carl */
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static int mixer_toggle_record_left = 0;
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static int mixer_toggle_record_right = 0;
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static int mixer_route_ltor_in = 0;
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static int mixer_route_rtol_in = 0;
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#if 0
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static int mixer_route_ltor_out = 0;
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static int mixer_route_rtol_out = 0;
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#endif
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/* --- draw contexts --- */
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enum {
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DC_DEFAULT,
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DC_BACK,
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DC_TEXT,
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DC_PROMPT,
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DC_CBAR_MUTE,
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DC_CBAR_NOMUTE,
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DC_CBAR_RECORD,
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DC_CBAR_NORECORD,
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DC_CBAR_EMPTY,
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DC_CBAR_FULL_1,
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DC_CBAR_FULL_2,
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DC_CBAR_FULL_3,
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DC_CBAR_LABEL,
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DC_CBAR_FOCUS_LABEL,
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DC_FOCUS,
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DC_LAST
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};
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static int dc_fg[DC_LAST] =
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{0};
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static int dc_attrib[DC_LAST] =
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{0};
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static int dc_char[DC_LAST] =
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{0};
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static int mixer_do_color = 1;
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static void mixer_init_dc(int c,
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int n,
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int f,
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int b,
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int a)
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{
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dc_fg[n] = f;
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dc_attrib[n] = a;
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dc_char[n] = c;
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if (n > 0)
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init_pair(n, dc_fg[n] & 0xf, b & 0x0f);
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}
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static int mixer_dc(int n)
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{
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if (mixer_do_color)
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attrset(COLOR_PAIR(n) | (dc_fg[n] & 0xfffffff0));
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else
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attrset(dc_attrib[n]);
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return dc_char[n];
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}
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static void mixer_init_draw_contexts(void)
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{
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start_color();
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mixer_init_dc('.', DC_BACK, MIXER_WHITE, MIXER_BLACK, A_NORMAL);
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mixer_init_dc('.', DC_TEXT, MIXER_YELLOW, MIXER_BLACK, A_BOLD);
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mixer_init_dc('.', DC_PROMPT, MIXER_DARK_CYAN, MIXER_BLACK, A_NORMAL);
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mixer_init_dc('M', DC_CBAR_MUTE, MIXER_CYAN, MIXER_BLACK, A_BOLD);
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mixer_init_dc('-', DC_CBAR_NOMUTE, MIXER_CYAN, MIXER_BLACK, A_NORMAL);
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mixer_init_dc('x', DC_CBAR_RECORD, MIXER_DARK_RED, MIXER_BLACK, A_BOLD);
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mixer_init_dc('-', DC_CBAR_NORECORD, MIXER_GRAY, MIXER_BLACK, A_NORMAL);
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mixer_init_dc(' ', DC_CBAR_EMPTY, MIXER_GRAY, MIXER_BLACK, A_DIM);
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mixer_init_dc('#', DC_CBAR_FULL_1, MIXER_WHITE, MIXER_BLACK, A_BOLD);
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mixer_init_dc('#', DC_CBAR_FULL_2, MIXER_GREEN, MIXER_BLACK, A_BOLD);
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mixer_init_dc('#', DC_CBAR_FULL_3, MIXER_RED, MIXER_BLACK, A_BOLD);
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mixer_init_dc('.', DC_CBAR_LABEL, MIXER_WHITE, MIXER_BLUE, A_REVERSE | A_BOLD);
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mixer_init_dc('.', DC_CBAR_FOCUS_LABEL, MIXER_RED, MIXER_BLUE, A_REVERSE | A_BOLD);
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mixer_init_dc('.', DC_FOCUS, MIXER_RED, MIXER_BLACK, A_BOLD);
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}
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#define DC_CBAR_FRAME (DC_CBAR_MUTE)
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#define DC_FRAME (DC_PROMPT)
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/* --- error types --- */
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typedef enum {
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ERR_NONE,
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ERR_OPEN,
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ERR_FCN,
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ERR_SIGNAL,
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ERR_WINSIZE,
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} ErrType;
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/* --- prototypes --- */
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static void mixer_abort(ErrType error,
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const char *err_string)
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__attribute__
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((noreturn));
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/* --- functions --- */
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static void mixer_clear(void)
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{
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int x, y;
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mixer_dc(DC_BACK);
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clear();
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/* buggy ncurses doesn't really write spaces with the specified
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* color into the screen on clear ();
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*/
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for (x = 0; x < mixer_max_x; x++)
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for (y = 0; y < mixer_max_y; y++)
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mvaddch(y, x, ' ');
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refresh();
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}
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static void mixer_abort(ErrType error,
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const char *err_string)
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{
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if (mixer_window) {
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mixer_clear();
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endwin();
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mixer_window = NULL;
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}
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printf("\n");
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switch (error) {
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case ERR_OPEN:
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fprintf(stderr,
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PRGNAME ": failed to open mixer #%i/#%i: %s\n",
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card_id,
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mixer_id,
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snd_strerror(errno));
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break;
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case ERR_FCN:
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fprintf(stderr,
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PRGNAME ": function %s failed: %s\n",
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err_string,
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snd_strerror(errno));
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break;
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case ERR_SIGNAL:
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fprintf(stderr,
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PRGNAME ": aborting due to signal `%s'\n",
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err_string);
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break;
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case ERR_WINSIZE:
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fprintf(stderr,
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PRGNAME ": screen size too small (%dx%d)\n",
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mixer_max_x,
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mixer_max_y);
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break;
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default:
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break;
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}
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exit(error);
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}
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static int mixer_cbar_get_pos(int channel_index,
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int *x_p,
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int *y_p)
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{
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int x;
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int y;
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if (channel_index < mixer_first_vis_channel ||
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channel_index - mixer_first_vis_channel >= mixer_n_vis_channels)
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return FALSE;
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channel_index -= mixer_first_vis_channel;
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x = mixer_ofs_x + 1;
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y = mixer_ofs_y;
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x += channel_index * (3 + 2 + 3 + 1 + mixer_extra_space);
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y += mixer_max_y / 2;
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y += mixer_cbar_height / 2 + 1;
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if (x_p)
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*x_p = x;
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if (y_p)
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*y_p = y;
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return TRUE;
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}
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static void mixer_update_cbar(int channel_index)
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{
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char string[64];
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char c;
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snd_mixer_channel_info_t cinfo =
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{0};
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snd_mixer_channel_direction_info_t cpinfo =
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{0};
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snd_mixer_channel_direction_info_t crinfo =
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{0};
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snd_mixer_channel_direction_t cpdata =
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{0};
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snd_mixer_channel_direction_t crdata =
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{0};
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int vleft, vright;
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int x, y, i;
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int output = 0, input = 0, volume;
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/* set specified EXACT mode
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*/
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if (snd_mixer_exact_mode(mixer_handle, mixer_exact) < 0)
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mixer_abort(ERR_FCN, "snd_mixer_exact");
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/* set new channel indices and read info
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*/
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if (snd_mixer_channel_info(mixer_handle, channel_index, &cinfo) < 0)
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mixer_abort(ERR_FCN, "snd_mixer_channel_info");
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if (cinfo.caps & SND_MIXER_CINFO_CAP_OUTPUT) {
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if (snd_mixer_channel_output_info(mixer_handle, channel_index, &cpinfo) < 0)
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mixer_abort(ERR_FCN, "snd_mixer_channel_output_info");
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output = 1;
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}
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if (cinfo.caps & SND_MIXER_CINFO_CAP_INPUT) {
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if (snd_mixer_channel_input_info(mixer_handle, channel_index, &crinfo) < 0)
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mixer_abort(ERR_FCN, "snd_mixer_channel_input_info");
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input = 1;
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}
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if (mixer_input_volumes)
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volume=(input && (crinfo.caps & SND_MIXER_CINFO_DCAP_VOLUME));
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else
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volume=(output && (cpinfo.caps & SND_MIXER_CINFO_DCAP_VOLUME));
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/* set new channel values
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*/
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if (channel_index == mixer_focus_channel &&
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(mixer_lvolume_delta || mixer_rvolume_delta ||
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mixer_toggle_mute_left || mixer_toggle_mute_right ||
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mixer_balance_volumes ||
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mixer_toggle_record_left || mixer_toggle_record_right ||
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mixer_route_rtol_in || mixer_route_ltor_in)) {
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if (output && snd_mixer_channel_output_read(mixer_handle, channel_index, &cpdata) < 0)
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mixer_abort(ERR_FCN, "snd_mixer_channel_output_read");
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if (input && snd_mixer_channel_input_read(mixer_handle, channel_index, &crdata) < 0)
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mixer_abort(ERR_FCN, "snd_mixer_channel_input_read");
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cpdata.flags &= ~SND_MIXER_DFLG_DECIBEL;
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crdata.flags &= ~SND_MIXER_DFLG_DECIBEL;
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if (volume) {
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if (mixer_input_volumes) {
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crdata.left = CLAMP(crdata.left + mixer_lvolume_delta, crinfo.min, crinfo.max);
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crdata.right = CLAMP(crdata.right + mixer_rvolume_delta, crinfo.min, crinfo.max);
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if (mixer_balance_volumes) {
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crdata.left = (crdata.left + crdata.right) / 2;
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crdata.right = crdata.left;
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}
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}
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else {
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cpdata.left = CLAMP(cpdata.left + mixer_lvolume_delta, cpinfo.min, cpinfo.max);
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cpdata.right = CLAMP(cpdata.right + mixer_rvolume_delta, cpinfo.min, cpinfo.max);
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if (mixer_balance_volumes) {
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cpdata.left = (cpdata.left + cpdata.right) / 2;
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cpdata.right = cpdata.left;
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}
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}
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}
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mixer_lvolume_delta = 0;
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mixer_rvolume_delta = 0;
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mixer_balance_volumes = 0;
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if (output) {
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if (mixer_toggle_mute_left) {
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cpdata.flags ^= SND_MIXER_DFLG_MUTE_LEFT;
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}
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if (mixer_toggle_mute_right) {
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cpdata.flags ^= SND_MIXER_DFLG_MUTE_RIGHT;
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}
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}
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mixer_toggle_mute_left = mixer_toggle_mute_right = 0;
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if (input) {
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if (mixer_toggle_record_left) {
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crdata.flags ^= SND_MIXER_DFLG_MUTE_LEFT;
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}
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if (mixer_toggle_record_right) {
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crdata.flags ^= SND_MIXER_DFLG_MUTE_RIGHT;
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}
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if (mixer_route_ltor_in) {
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crdata.flags ^= SND_MIXER_DFLG_LTOR;
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}
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if (mixer_route_rtol_in) {
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crdata.flags ^= SND_MIXER_DFLG_RTOL;
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}
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}
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mixer_toggle_record_left = mixer_toggle_record_right = 0;
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mixer_route_ltor_in = mixer_route_rtol_in = 0;
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if (output &&
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snd_mixer_channel_output_write(mixer_handle, channel_index, &cpdata) < 0)
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mixer_abort(ERR_FCN, "snd_mixer_channel_output_write");
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if (input &&
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snd_mixer_channel_input_write(mixer_handle, channel_index, &crdata) < 0)
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mixer_abort(ERR_FCN, "snd_mixer_channel_input_write");
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}
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/* first, read values for the numbers to be displayed in
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* specified EXACT mode
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*/
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if (output &&
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snd_mixer_channel_output_read(mixer_handle, channel_index, &cpdata) < 0)
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mixer_abort(ERR_FCN, "snd_mixer_ioctl_channel_output_read");
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if (input &&
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snd_mixer_channel_input_read(mixer_handle, channel_index, &crdata) < 0)
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mixer_abort(ERR_FCN, "snd_mixer_channel_input_read");
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if (mixer_input_volumes) {
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if (input) {
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vleft = crdata.left;
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vright = crdata.right;
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}
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else {
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vleft = vright = 0;
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}
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}
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else {
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if (output) {
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vleft = cpdata.left;
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vright = cpdata.right;
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}
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else {
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vleft = vright = 0;
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}
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}
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/* then, always use percentage values for the bars. if we don't do
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* this, we will see aliasing effects on specific circumstances.
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* (actually they don't really dissapear, but they are transfered
|
||||
* to bar<->smaller-scale ambiguities).
|
||||
*/
|
||||
if (mixer_exact) {
|
||||
i = 0;
|
||||
if (snd_mixer_exact_mode(mixer_handle, 0) < 0)
|
||||
mixer_abort(ERR_FCN, "snd_mixer_exact");
|
||||
if (output &&
|
||||
snd_mixer_channel_output_read(mixer_handle, channel_index, &cpdata) < 0)
|
||||
mixer_abort(ERR_FCN, "snd_mixer_channel_output_read");
|
||||
if (input &&
|
||||
snd_mixer_channel_input_read(mixer_handle, channel_index, &crdata) < 0)
|
||||
mixer_abort(ERR_FCN, "snd_mixer_channel_input_read");
|
||||
}
|
||||
/* get channel bar position
|
||||
*/
|
||||
if (!mixer_cbar_get_pos(channel_index, &x, &y))
|
||||
return;
|
||||
|
||||
/* channel bar name
|
||||
*/
|
||||
mixer_dc(channel_index == mixer_focus_channel ? DC_CBAR_FOCUS_LABEL : DC_CBAR_LABEL);
|
||||
cinfo.name[8] = 0;
|
||||
for (i = 0; i < 8; i++) {
|
||||
string[i] = ' ';
|
||||
}
|
||||
sprintf(string + (8 - strlen(cinfo.name)) / 2, "%s ", cinfo.name);
|
||||
string[8] = 0;
|
||||
mvaddstr(y, x, string);
|
||||
y--;
|
||||
|
||||
/* current channel values
|
||||
*/
|
||||
mixer_dc(DC_BACK);
|
||||
mvaddstr(y, x, " ");
|
||||
mixer_dc(DC_TEXT);
|
||||
sprintf(string, "%d", vleft);
|
||||
mvaddstr(y, x + 3 - strlen(string), string);
|
||||
mixer_dc(DC_CBAR_FRAME);
|
||||
mvaddch(y, x + 3, '<');
|
||||
mvaddch(y, x + 4, '>');
|
||||
mixer_dc(DC_TEXT);
|
||||
sprintf(string, "%d", vright);
|
||||
mvaddstr(y, x + 5, string);
|
||||
y--;
|
||||
|
||||
/* left/right bar
|
||||
*/
|
||||
mixer_dc(DC_CBAR_FRAME);
|
||||
mvaddstr(y, x, " ");
|
||||
mvaddch(y, x + 2, ACS_LLCORNER);
|
||||
mvaddch(y, x + 3, ACS_HLINE);
|
||||
mvaddch(y, x + 4, ACS_HLINE);
|
||||
mvaddch(y, x + 5, ACS_LRCORNER);
|
||||
y--;
|
||||
for (i = 0; i < mixer_cbar_height; i++) {
|
||||
mvaddstr(y - i, x, " ");
|
||||
mvaddch(y - i, x + 2, ACS_VLINE);
|
||||
mvaddch(y - i, x + 5, ACS_VLINE);
|
||||
}
|
||||
string[2] = 0;
|
||||
for (i = 0; i < mixer_cbar_height; i++) {
|
||||
int dc;
|
||||
|
||||
if (i + 1 >= 0.8 * mixer_cbar_height)
|
||||
dc = DC_CBAR_FULL_3;
|
||||
else if (i + 1 >= 0.4 * mixer_cbar_height)
|
||||
dc = DC_CBAR_FULL_2;
|
||||
else
|
||||
dc = DC_CBAR_FULL_1;
|
||||
mvaddch(y, x + 3, mixer_dc(vleft > i * 100 / mixer_cbar_height ? dc : DC_CBAR_EMPTY));
|
||||
mvaddch(y, x + 4, mixer_dc(vright > i * 100 / mixer_cbar_height ? dc : DC_CBAR_EMPTY));
|
||||
y--;
|
||||
}
|
||||
|
||||
/* muted?
|
||||
*/
|
||||
mixer_dc(DC_BACK);
|
||||
mvaddstr(y, x, " ");
|
||||
if (output) {
|
||||
c = (cpinfo.caps & SND_MIXER_CINFO_DCAP_MUTE) ? '-' : ' ';
|
||||
mixer_dc(DC_CBAR_FRAME);
|
||||
mvaddch(y, x + 2, ACS_ULCORNER);
|
||||
mvaddch(y, x + 3, mixer_dc(cpdata.flags & SND_MIXER_DFLG_MUTE_LEFT ?
|
||||
DC_CBAR_MUTE : DC_CBAR_NOMUTE));
|
||||
mvaddch(y, x + 4, mixer_dc(cpdata.flags & SND_MIXER_DFLG_MUTE_RIGHT ?
|
||||
DC_CBAR_MUTE : DC_CBAR_NOMUTE));
|
||||
mixer_dc(DC_CBAR_FRAME);
|
||||
mvaddch(y, x + 5, ACS_URCORNER);
|
||||
}
|
||||
y--;
|
||||
|
||||
/* record input?
|
||||
*/
|
||||
mixer_dc(DC_BACK);
|
||||
mvaddstr(y, x, " ");
|
||||
if (input) {
|
||||
if ((crdata.flags & SND_MIXER_DFLG_MUTE) != SND_MIXER_DFLG_MUTE) {
|
||||
mixer_dc(DC_CBAR_RECORD);
|
||||
mvaddstr(y, x + 1, "RECORD");
|
||||
if (!(crdata.flags & SND_MIXER_DFLG_MUTE_LEFT)) {
|
||||
if (crdata.flags & SND_MIXER_DFLG_LTOR)
|
||||
mvaddstr(y + 2, x + 6, "L");
|
||||
else
|
||||
mvaddstr(y + 1, x + 1, "L");
|
||||
}
|
||||
if (!(crdata.flags & SND_MIXER_DFLG_MUTE_RIGHT)) {
|
||||
if (crdata.flags & SND_MIXER_DFLG_RTOL)
|
||||
mvaddstr(y + 2, x + 1, "R");
|
||||
else
|
||||
mvaddstr(y + 1, x + 6, "R");
|
||||
}
|
||||
} else {
|
||||
for (i = 0; i < 6; i++)
|
||||
mvaddch(y, x + 1 + i, mixer_dc(DC_CBAR_NORECORD));
|
||||
}
|
||||
}
|
||||
y--;
|
||||
}
|
||||
|
||||
static void mixer_update_cbars(void)
|
||||
{
|
||||
static int o_x = 0;
|
||||
static int o_y = 0;
|
||||
int i, x, y;
|
||||
|
||||
if (!mixer_cbar_get_pos(mixer_focus_channel, &x, &y)) {
|
||||
if (mixer_focus_channel < mixer_first_vis_channel)
|
||||
mixer_first_vis_channel = mixer_focus_channel;
|
||||
else if (mixer_focus_channel >= mixer_first_vis_channel + mixer_n_vis_channels)
|
||||
mixer_first_vis_channel = mixer_focus_channel - mixer_n_vis_channels + 1;
|
||||
mixer_cbar_get_pos(mixer_focus_channel, &x, &y);
|
||||
}
|
||||
for (i = 0; i < mixer_n_vis_channels; i++)
|
||||
mixer_update_cbar(i + mixer_first_vis_channel);
|
||||
|
||||
/* draw focused cbar
|
||||
*/
|
||||
mixer_dc(DC_BACK);
|
||||
mvaddstr(o_y, o_x, " ");
|
||||
mvaddstr(o_y, o_x + 9, " ");
|
||||
o_x = x - 1;
|
||||
o_y = y;
|
||||
mixer_dc(DC_FOCUS);
|
||||
mvaddstr(o_y, o_x, "<");
|
||||
mvaddstr(o_y, o_x + 9, ">");
|
||||
}
|
||||
|
||||
static void mixer_draw_frame(void)
|
||||
{
|
||||
char string[128];
|
||||
int i;
|
||||
int max_len;
|
||||
|
||||
mixer_dc(DC_FRAME);
|
||||
|
||||
/* corners
|
||||
*/
|
||||
mvaddch(0, 0, ACS_ULCORNER);
|
||||
mvaddch(mixer_max_y - 1, 0, ACS_LLCORNER);
|
||||
mvaddch(mixer_max_y - 1, mixer_max_x - 1, ACS_LRCORNER);
|
||||
mvaddch(0, mixer_max_x - 1, ACS_URCORNER);
|
||||
|
||||
/* lines
|
||||
*/
|
||||
for (i = 1; i < mixer_max_y - 1; i++) {
|
||||
mvaddch(i, 0, ACS_VLINE);
|
||||
mvaddch(i, mixer_max_x - 1, ACS_VLINE);
|
||||
}
|
||||
for (i = 1; i < mixer_max_x - 1; i++) {
|
||||
mvaddch(0, i, ACS_HLINE);
|
||||
mvaddch(mixer_max_y - 1, i, ACS_HLINE);
|
||||
}
|
||||
|
||||
/* program title
|
||||
*/
|
||||
sprintf(string, "%s %s", PRGNAME_UPPER, VERSION);
|
||||
max_len = strlen(string);
|
||||
mvaddch(0, mixer_max_x / 2 - max_len / 2 - 1, '[');
|
||||
mvaddch(0, mixer_max_x / 2 - max_len / 2 + max_len, ']');
|
||||
mixer_dc(DC_TEXT);
|
||||
mvaddstr(0, mixer_max_x / 2 - max_len / 2, string);
|
||||
|
||||
/* card name
|
||||
*/
|
||||
mixer_dc(DC_PROMPT);
|
||||
mvaddstr(1, 2, "Card:");
|
||||
mixer_dc(DC_TEXT);
|
||||
sprintf(string, "%s", mixer_card_name);
|
||||
max_len = mixer_max_x - 2 - 6 - 2;
|
||||
if (strlen(string) > max_len)
|
||||
string[max_len] = 0;
|
||||
mvaddstr(1, 2 + 6, string);
|
||||
|
||||
/* device name
|
||||
*/
|
||||
mixer_dc(DC_PROMPT);
|
||||
mvaddstr(2, 2, "Chip: ");
|
||||
mixer_dc(DC_TEXT);
|
||||
sprintf(string, "%s", mixer_device_name);
|
||||
max_len = mixer_max_x - 2 - 6 - 2;
|
||||
if (strlen(string) > max_len)
|
||||
string[max_len] = 0;
|
||||
mvaddstr(2, 2 + 6, string);
|
||||
if (mixer_input_volumes)
|
||||
mvaddstr(3, 2, "Record mixer");
|
||||
else
|
||||
mvaddstr(3, 2, " ");
|
||||
}
|
||||
|
||||
static void mixer_init(void)
|
||||
{
|
||||
static snd_mixer_info_t mixer_info =
|
||||
{0};
|
||||
static struct snd_ctl_hw_info hw_info;
|
||||
void *ctl_handle;
|
||||
|
||||
if (snd_ctl_open(&ctl_handle, card_id) < 0)
|
||||
mixer_abort(ERR_OPEN, "snd_ctl_open");
|
||||
if (snd_ctl_hw_info(ctl_handle, &hw_info) < 0)
|
||||
mixer_abort(ERR_FCN, "snd_ctl_hw_info");
|
||||
snd_ctl_close(ctl_handle);
|
||||
/* open mixer device
|
||||
*/
|
||||
if (snd_mixer_open(&mixer_handle, card_id, mixer_id) < 0)
|
||||
mixer_abort(ERR_OPEN, "snd_mixer_open");
|
||||
|
||||
/* setup global variables
|
||||
*/
|
||||
if (snd_mixer_info(mixer_handle, &mixer_info) < 0)
|
||||
mixer_abort(ERR_FCN, "snd_mixer_info");
|
||||
mixer_n_channels = mixer_info.channels;
|
||||
mixer_card_name = hw_info.name;
|
||||
mixer_device_name = mixer_info.name;
|
||||
}
|
||||
|
||||
static void mixer_iteration_update(void *dummy, int channel)
|
||||
{
|
||||
#if 0
|
||||
fprintf(stderr, "*** channel = %i\n", channel);
|
||||
#endif
|
||||
mixer_update_cbar(channel);
|
||||
refresh();
|
||||
}
|
||||
|
||||
static int mixer_iteration(void)
|
||||
{
|
||||
snd_mixer_callbacks_t callbacks;
|
||||
int key;
|
||||
int finished = 0;
|
||||
int mixer_fd;
|
||||
fd_set in;
|
||||
|
||||
bzero(&callbacks, sizeof(callbacks));
|
||||
callbacks.channel_was_changed = mixer_iteration_update;
|
||||
callbacks.output_channel_was_changed = mixer_iteration_update;
|
||||
callbacks.input_channel_was_changed = mixer_iteration_update;
|
||||
mixer_fd = snd_mixer_file_descriptor(mixer_handle);
|
||||
while (1) {
|
||||
FD_ZERO(&in);
|
||||
FD_SET(fileno(stdin), &in);
|
||||
FD_SET(mixer_fd, &in);
|
||||
if (select(mixer_fd + 1, &in, NULL, NULL, NULL) <= 0)
|
||||
return 1;
|
||||
if (FD_ISSET(mixer_fd, &in))
|
||||
snd_mixer_read(mixer_handle, &callbacks);
|
||||
if (FD_ISSET(fileno(stdin), &in))
|
||||
break;
|
||||
}
|
||||
key = getch();
|
||||
switch (key) {
|
||||
case 27: /* Escape */
|
||||
finished = 1;
|
||||
break;
|
||||
case 9: /* Tab */
|
||||
mixer_exact = !mixer_exact;
|
||||
break;
|
||||
case KEY_RIGHT:
|
||||
case 'n':
|
||||
mixer_focus_channel += 1;
|
||||
break;
|
||||
case KEY_LEFT:
|
||||
case 'p':
|
||||
mixer_focus_channel -= 1;
|
||||
break;
|
||||
case KEY_PPAGE:
|
||||
if (mixer_exact) {
|
||||
mixer_lvolume_delta = 8;
|
||||
mixer_rvolume_delta = 8;
|
||||
} else {
|
||||
mixer_lvolume_delta = 10;
|
||||
mixer_rvolume_delta = 10;
|
||||
}
|
||||
break;
|
||||
case KEY_NPAGE:
|
||||
if (mixer_exact) {
|
||||
mixer_lvolume_delta = -8;
|
||||
mixer_rvolume_delta = -8;
|
||||
} else {
|
||||
mixer_lvolume_delta = -10;
|
||||
mixer_rvolume_delta = -10;
|
||||
}
|
||||
break;
|
||||
case KEY_BEG:
|
||||
case KEY_HOME:
|
||||
mixer_lvolume_delta = 512;
|
||||
mixer_rvolume_delta = 512;
|
||||
break;
|
||||
case KEY_LL:
|
||||
case KEY_END:
|
||||
mixer_lvolume_delta = -512;
|
||||
mixer_rvolume_delta = -512;
|
||||
break;
|
||||
case '+':
|
||||
mixer_lvolume_delta = 1;
|
||||
mixer_rvolume_delta = 1;
|
||||
break;
|
||||
case '-':
|
||||
mixer_lvolume_delta = -1;
|
||||
mixer_rvolume_delta = -1;
|
||||
break;
|
||||
case 'w':
|
||||
case KEY_UP:
|
||||
mixer_lvolume_delta = 1;
|
||||
mixer_rvolume_delta = 1;
|
||||
case 'W':
|
||||
mixer_lvolume_delta += 1;
|
||||
mixer_rvolume_delta += 1;
|
||||
break;
|
||||
case 'x':
|
||||
case KEY_DOWN:
|
||||
mixer_lvolume_delta = -1;
|
||||
mixer_rvolume_delta = -1;
|
||||
case 'X':
|
||||
mixer_lvolume_delta += -1;
|
||||
mixer_rvolume_delta += -1;
|
||||
break;
|
||||
case 'q':
|
||||
mixer_lvolume_delta = 1;
|
||||
case 'Q':
|
||||
mixer_lvolume_delta += 1;
|
||||
break;
|
||||
case 'y':
|
||||
case 'z':
|
||||
mixer_lvolume_delta = -1;
|
||||
case 'Y':
|
||||
case 'Z':
|
||||
mixer_lvolume_delta += -1;
|
||||
break;
|
||||
case 'e':
|
||||
mixer_rvolume_delta = 1;
|
||||
case 'E':
|
||||
mixer_rvolume_delta += 1;
|
||||
break;
|
||||
case 'c':
|
||||
mixer_rvolume_delta = -1;
|
||||
case 'C':
|
||||
mixer_rvolume_delta += -1;
|
||||
break;
|
||||
case 'm':
|
||||
case 'M':
|
||||
mixer_input_volumes = 0;
|
||||
mixer_toggle_mute_left = 1;
|
||||
mixer_toggle_mute_right = 1;
|
||||
break;
|
||||
case 'b':
|
||||
case 'B':
|
||||
case '=':
|
||||
mixer_balance_volumes = 1;
|
||||
break;
|
||||
case '<':
|
||||
case ',':
|
||||
mixer_input_volumes = 0;
|
||||
mixer_toggle_mute_left = 1;
|
||||
break;
|
||||
case '>':
|
||||
case '.':
|
||||
mixer_input_volumes = 0;
|
||||
mixer_toggle_mute_right = 1;
|
||||
break;
|
||||
case 'R':
|
||||
case 'r':
|
||||
mixer_input_volumes = !mixer_input_volumes;
|
||||
break;
|
||||
case 'L':
|
||||
case 'l':
|
||||
mixer_clear();
|
||||
break;
|
||||
case ' ':
|
||||
mixer_input_volumes = 1;
|
||||
mixer_toggle_record_left = 1;
|
||||
mixer_toggle_record_right = 1;
|
||||
break;
|
||||
case KEY_IC:
|
||||
case ';':
|
||||
mixer_input_volumes = 1;
|
||||
mixer_toggle_record_left = 1;
|
||||
break;
|
||||
case '\'':
|
||||
case KEY_DC:
|
||||
mixer_input_volumes = 1;
|
||||
mixer_toggle_record_right = 1;
|
||||
break;
|
||||
case '1':
|
||||
mixer_input_volumes = 1;
|
||||
mixer_route_rtol_in = 1;
|
||||
break;
|
||||
case '2':
|
||||
mixer_input_volumes = 1;
|
||||
mixer_route_ltor_in = 1;
|
||||
break;
|
||||
}
|
||||
mixer_focus_channel = CLAMP(mixer_focus_channel, 0, mixer_n_channels - 1);
|
||||
|
||||
return finished;
|
||||
}
|
||||
|
||||
static void mixer_init_screen(void)
|
||||
{
|
||||
signal(SIGWINCH, (void *) mixer_init_screen);
|
||||
|
||||
getmaxyx(mixer_window, mixer_max_y, mixer_max_x);
|
||||
mixer_clear();
|
||||
mixer_max_x = MAX(MIXER_MIN_X, mixer_max_x);
|
||||
mixer_max_y = MAX(MIXER_MIN_Y, mixer_max_y);
|
||||
mixer_clear();
|
||||
mixer_ofs_x = 2;
|
||||
mixer_ofs_y = 2;
|
||||
mixer_extra_space = 0;
|
||||
mixer_n_vis_channels = MIN((mixer_max_x - 2 * mixer_ofs_x + 1) / (9 + mixer_extra_space),
|
||||
mixer_n_channels);
|
||||
mixer_extra_space = ((mixer_max_x - 2 * mixer_ofs_x - 1 - mixer_n_vis_channels * 9.0) /
|
||||
(mixer_n_vis_channels - 1));
|
||||
if (mixer_n_vis_channels < mixer_n_channels) {
|
||||
/* recalc
|
||||
*/
|
||||
mixer_extra_space = MAX(mixer_extra_space, 1);
|
||||
mixer_n_vis_channels = MIN((mixer_max_x - 2 * mixer_ofs_x + 1) / (9 + mixer_extra_space),
|
||||
mixer_n_channels);
|
||||
mixer_extra_space = ((mixer_max_x - 2 * mixer_ofs_x - 1 - mixer_n_vis_channels * 9.0) /
|
||||
(mixer_n_vis_channels - 1));
|
||||
}
|
||||
mixer_first_vis_channel = 0;
|
||||
mixer_cbar_height = 10 + MAX(0, (mixer_max_y - MIXER_MIN_Y - 1)) / 2;
|
||||
}
|
||||
|
||||
static void mixer_signal_handler(int signal)
|
||||
{
|
||||
mixer_abort(ERR_SIGNAL, sys_siglist[signal]);
|
||||
}
|
||||
|
||||
int main(int argc,
|
||||
char **argv)
|
||||
{
|
||||
int opt;
|
||||
|
||||
/* parse args
|
||||
*/
|
||||
do {
|
||||
opt = getopt(argc, argv, "c:m:ehg");
|
||||
switch (opt) {
|
||||
case '?':
|
||||
case 'h':
|
||||
fprintf(stderr, "%s %s\n", PRGNAME_UPPER, VERSION);
|
||||
fprintf(stderr, "Usage: %s [-e] [-c <card: 1..%i>] [-m <mixer: 0..1>]\n", PRGNAME, snd_cards());
|
||||
mixer_abort(ERR_NONE, "");
|
||||
case 'c':
|
||||
card_id = snd_card_name(optarg);
|
||||
break;
|
||||
case 'e':
|
||||
mixer_exact = !mixer_exact;
|
||||
break;
|
||||
case 'g':
|
||||
mixer_do_color = !mixer_do_color;
|
||||
break;
|
||||
case 'm':
|
||||
mixer_id = CLAMP(optarg[0], '0', '1') - '0';
|
||||
break;
|
||||
}
|
||||
}
|
||||
while (opt > 0);
|
||||
|
||||
/* initialize mixer
|
||||
*/
|
||||
mixer_init();
|
||||
|
||||
/* setup signal handlers
|
||||
*/
|
||||
signal(SIGINT, mixer_signal_handler);
|
||||
signal(SIGTRAP, mixer_signal_handler);
|
||||
signal(SIGABRT, mixer_signal_handler);
|
||||
signal(SIGQUIT, mixer_signal_handler);
|
||||
signal(SIGBUS, mixer_signal_handler);
|
||||
signal(SIGSEGV, mixer_signal_handler);
|
||||
signal(SIGPIPE, mixer_signal_handler);
|
||||
signal(SIGTERM, mixer_signal_handler);
|
||||
|
||||
/* initialize ncurses
|
||||
*/
|
||||
mixer_window = initscr();
|
||||
if (mixer_do_color)
|
||||
mixer_do_color = has_colors();
|
||||
mixer_init_draw_contexts();
|
||||
mixer_init_screen();
|
||||
if (mixer_max_x < MIXER_MIN_X ||
|
||||
mixer_max_y < MIXER_MIN_Y)
|
||||
mixer_abort(ERR_WINSIZE, "");
|
||||
|
||||
/* react on key presses
|
||||
* and draw window
|
||||
*/
|
||||
keypad(mixer_window, TRUE);
|
||||
leaveok(mixer_window, TRUE);
|
||||
cbreak();
|
||||
noecho();
|
||||
do {
|
||||
mixer_update_cbars();
|
||||
mixer_draw_frame();
|
||||
refresh();
|
||||
}
|
||||
while (!mixer_iteration());
|
||||
|
||||
mixer_abort(ERR_NONE, "");
|
||||
};
|
||||
File diff suppressed because it is too large
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Reference in a new issue