diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mixer_all.c | 59 | ||||
| -rw-r--r-- | src/mixer_all.h | 47 | ||||
| -rw-r--r-- | src/volume.c | 35 |
3 files changed, 111 insertions, 30 deletions
diff --git a/src/mixer_all.c b/src/mixer_all.c new file mode 100644 index 000000000..de5856bbb --- /dev/null +++ b/src/mixer_all.c @@ -0,0 +1,59 @@ +/* + * 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_all.h" +#include "mixer_control.h" +#include "output_all.h" + +#include <glib.h> + +#undef G_LOG_DOMAIN +#define G_LOG_DOMAIN "mixer" + +int +mixer_all_get_volume(void) +{ + unsigned count = audio_output_count(), ok = 0; + int volume, total = 0; + + for (unsigned i = 0; i < count; i++) { + if (mixer_control_getvol(i, &volume)) { + g_debug("device %d: volume=%d", i, volume); + total += volume; + ++ok; + } + } + + if (ok == 0) + return -1; + + return total / ok; +} + +bool +mixer_all_set_volume(int volume, bool relative) +{ + bool success = false; + unsigned count = audio_output_count(); + + for (unsigned i = 0; i < count; i++) + success = mixer_control_setvol(i, volume, relative) || success; + + return success; +} diff --git a/src/mixer_all.h b/src/mixer_all.h new file mode 100644 index 000000000..66c4988de --- /dev/null +++ b/src/mixer_all.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. + */ + +/** \file + * + * Functions which affect the mixers of all audio outputs. + */ + +#ifndef MPD_MIXER_ALL_H +#define MPD_MIXER_ALL_H + +#include <stdbool.h> + +/** + * Returns the average volume of all available mixers (range 0..100). + * Returns -1 if no mixer can be queried. + */ +int +mixer_all_get_volume(void); + +/** + * Sets the volume on all available mixers. + * + * @param volume the volume (range 0..100 or -100..100 if #relative) + * @param relative if true, then the #volume is added to the current value + * @return true on success, false on failure + */ +bool +mixer_all_set_volume(int volume, bool relative); + +#endif diff --git a/src/volume.c b/src/volume.c index 8e97280a4..a7bae9627 100644 --- a/src/volume.c +++ b/src/volume.c @@ -23,9 +23,9 @@ #include "idle.h" #include "pcm_volume.h" #include "config.h" -#include "mixer_control.h" #include "output_all.h" #include "mixer_api.h" +#include "mixer_all.h" #include <glib.h> @@ -166,9 +166,6 @@ void volume_init(void) static int hardware_volume_get(void) { - int device, count; - int volume, volume_total, volume_ok; - assert(hardware_volume_timer != NULL); if (last_hardware_volume >= 0 && @@ -176,25 +173,9 @@ static int hardware_volume_get(void) /* throttle access to hardware mixers */ return last_hardware_volume; - volume_total = 0; - volume_ok = 0; - - count = audio_output_count(); - for (device=0; device<count ;device++) { - if (mixer_control_getvol(device, &volume)) { - g_debug("device %d: volume: %d\n", device, volume); - volume_total += volume; - volume_ok++; - } - } - if (volume_ok > 0) { - //return average - last_hardware_volume = volume_total / volume_ok; - g_timer_start(hardware_volume_timer); - return last_hardware_volume; - } else { - return -1; - } + last_hardware_volume = mixer_all_get_volume(); + g_timer_start(hardware_volume_timer); + return last_hardware_volume; } static int software_volume_get(void) @@ -245,16 +226,10 @@ static bool software_volume_change(int change, bool rel) static bool hardware_volume_change(int change, bool rel) { - int device, count; - /* reset the cache */ last_hardware_volume = -1; - count = audio_output_count(); - for (device=0; device<count ;device++) { - mixer_control_setvol(device, change, rel); - } - return true; + return mixer_all_set_volume(change, rel); } bool volume_level_change(int change, bool rel) |