diff options
Diffstat (limited to '')
| -rw-r--r-- | src/mixer_type.c | 38 | ||||
| -rw-r--r-- | src/mixer_type.h | 47 | ||||
| -rw-r--r-- | src/volume.c | 43 | ||||
| -rw-r--r-- | src/volume.h | 4 |
4 files changed, 107 insertions, 25 deletions
diff --git a/src/mixer_type.c b/src/mixer_type.c new file mode 100644 index 000000000..6cf007856 --- /dev/null +++ b/src/mixer_type.c @@ -0,0 +1,38 @@ +/* + * Copyright (C) 2003-2009 The Music Player Daemon Project + * http://www.musicpd.org + * + * 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. + */ + +#include "mixer_type.h" + +#include <assert.h> +#include <string.h> + +enum mixer_type +mixer_type_parse(const char *input) +{ + assert(input != NULL); + + if (strcmp(input, "none") == 0 || strcmp(input, "disabled") == 0) + return MIXER_TYPE_NONE; + else if (strcmp(input, "hardware") == 0) + return MIXER_TYPE_HARDWARE; + else if (strcmp(input, "software") == 0) + return MIXER_TYPE_SOFTWARE; + else + return MIXER_TYPE_UNKNOWN; +} diff --git a/src/mixer_type.h b/src/mixer_type.h new file mode 100644 index 000000000..ec3cbf9cc --- /dev/null +++ b/src/mixer_type.h @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2003-2009 The Music Player Daemon Project + * http://www.musicpd.org + * + * 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. + */ + +#ifndef MPD_MIXER_TYPE_H +#define MPD_MIXER_TYPE_H + +enum mixer_type { + /** parser error */ + MIXER_TYPE_UNKNOWN, + + /** mixer disabled */ + MIXER_TYPE_NONE, + + /** software mixer with pcm_volume() */ + MIXER_TYPE_SOFTWARE, + + /** hardware mixer (output's plugin) */ + MIXER_TYPE_HARDWARE, +}; + +/** + * Parses a "mixer_type" setting from the configuration file. + * + * @param input the configured string value; must not be NULL + * @return a #mixer_type value; MIXER_TYPE_UNKNOWN means #input could + * not be parsed + */ +enum mixer_type +mixer_type_parse(const char *input); + +#endif diff --git a/src/volume.c b/src/volume.c index cd3cf9e4b..938a51ac1 100644 --- a/src/volume.c +++ b/src/volume.c @@ -26,6 +26,7 @@ #include "output_all.h" #include "mixer_control.h" #include "mixer_all.h" +#include "mixer_type.h" #include <glib.h> @@ -39,11 +40,7 @@ #define SW_VOLUME_STATE "sw_volume: " -static enum { - VOLUME_MIXER_TYPE_SOFTWARE, - VOLUME_MIXER_TYPE_HARDWARE, - VOLUME_MIXER_TYPE_DISABLED, -} volume_mixer_type = VOLUME_MIXER_TYPE_HARDWARE; +static enum mixer_type volume_mixer_type = MIXER_TYPE_HARDWARE; static int volume_software_set = 100; @@ -54,7 +51,7 @@ static GTimer *hardware_volume_timer; void volume_finish(void) { - if (volume_mixer_type == VOLUME_MIXER_TYPE_HARDWARE) + if (volume_mixer_type == MIXER_TYPE_HARDWARE) g_timer_destroy(hardware_volume_timer); } @@ -63,21 +60,24 @@ void volume_init(void) const struct config_param *param = config_get_param(CONF_MIXER_TYPE); //hw mixing is by default if (param) { - if (strcmp(param->value, VOLUME_MIXER_SOFTWARE) == 0) { - volume_mixer_type = VOLUME_MIXER_TYPE_SOFTWARE; + volume_mixer_type = mixer_type_parse(param->value); + switch (volume_mixer_type) { + case MIXER_TYPE_NONE: + case MIXER_TYPE_SOFTWARE: mixer_disable_all(); - } else if (strcmp(param->value, VOLUME_MIXER_DISABLED) == 0) { - volume_mixer_type = VOLUME_MIXER_TYPE_DISABLED; - mixer_disable_all(); - } else if (strcmp(param->value, VOLUME_MIXER_HARDWARE) == 0) { + break; + + case MIXER_TYPE_HARDWARE: //nothing to do - } else { + break; + + case MIXER_TYPE_UNKNOWN: g_error("unknown mixer type %s at line %i\n", param->value, param->line); } } - if (volume_mixer_type == VOLUME_MIXER_TYPE_HARDWARE) + if (volume_mixer_type == MIXER_TYPE_HARDWARE) hardware_volume_timer = g_timer_new(); } @@ -103,11 +103,12 @@ static int software_volume_get(void) int volume_level_get(void) { switch (volume_mixer_type) { - case VOLUME_MIXER_TYPE_SOFTWARE: + case MIXER_TYPE_SOFTWARE: return software_volume_get(); - case VOLUME_MIXER_TYPE_HARDWARE: + case MIXER_TYPE_HARDWARE: return hardware_volume_get(); - case VOLUME_MIXER_TYPE_DISABLED: + case MIXER_TYPE_NONE: + case MIXER_TYPE_UNKNOWN: return -1; } @@ -157,9 +158,9 @@ bool volume_level_change(int change, bool rel) idle_add(IDLE_MIXER); switch (volume_mixer_type) { - case VOLUME_MIXER_TYPE_HARDWARE: + case MIXER_TYPE_HARDWARE: return hardware_volume_change(change, rel); - case VOLUME_MIXER_TYPE_SOFTWARE: + case MIXER_TYPE_SOFTWARE: return software_volume_change(change, rel); default: return true; @@ -172,7 +173,7 @@ void read_sw_volume_state(FILE *fp) char *end = NULL; long int sv; - if (volume_mixer_type != VOLUME_MIXER_TYPE_SOFTWARE) + if (volume_mixer_type != MIXER_TYPE_SOFTWARE) return; while (fgets(buf, sizeof(buf), fp)) { if (!g_str_has_prefix(buf, SW_VOLUME_STATE)) @@ -190,6 +191,6 @@ void read_sw_volume_state(FILE *fp) void save_sw_volume_state(FILE *fp) { - if (volume_mixer_type == VOLUME_MIXER_TYPE_SOFTWARE) + if (volume_mixer_type == MIXER_TYPE_SOFTWARE) fprintf(fp, SW_VOLUME_STATE "%d\n", volume_software_set); } diff --git a/src/volume.h b/src/volume.h index 8ab38ce60..d5b9fec19 100644 --- a/src/volume.h +++ b/src/volume.h @@ -23,10 +23,6 @@ #include <stdbool.h> #include <stdio.h> -#define VOLUME_MIXER_SOFTWARE "software" -#define VOLUME_MIXER_HARDWARE "hardware" -#define VOLUME_MIXER_DISABLED "disabled" - void volume_init(void); void volume_finish(void); |