diff options
| -rw-r--r-- | src/mixer_all.c | 57 | ||||
| -rw-r--r-- | src/mixer_all.h | 16 |
2 files changed, 73 insertions, 0 deletions
diff --git a/src/mixer_all.c b/src/mixer_all.c index 980f854a2..cd05eec85 100644 --- a/src/mixer_all.c +++ b/src/mixer_all.c @@ -22,6 +22,9 @@ #include "output_all.h" #include "output_plugin.h" #include "output_internal.h" +#include "pcm_volume.h" +#include "mixer_api.h" +#include "mixer_list.h" #include <glib.h> @@ -103,3 +106,57 @@ mixer_all_set_volume(unsigned volume) return success; } + +static int +output_mixer_get_software_volume(unsigned i) +{ + struct audio_output *output; + struct mixer *mixer; + + assert(i < audio_output_count()); + + output = audio_output_get(i); + if (!output->enabled) + return -1; + + mixer = output->mixer; + if (mixer == NULL || mixer->plugin != &software_mixer_plugin) + return -1; + + return mixer_get_volume(mixer); +} + +int +mixer_all_get_software_volume(void) +{ + unsigned count = audio_output_count(), ok = 0; + int volume, total = 0; + + for (unsigned i = 0; i < count; i++) { + volume = output_mixer_get_software_volume(i); + if (volume >= 0) { + total += volume; + ++ok; + } + } + + if (ok == 0) + return -1; + + return total / ok; +} + +void +mixer_all_set_software_volume(unsigned volume) +{ + unsigned count = audio_output_count(); + + assert(volume <= PCM_VOLUME_1); + + for (unsigned i = 0; i < count; i++) { + struct audio_output *output = audio_output_get(i); + if (output->mixer != NULL && + output->mixer->plugin == &software_mixer_plugin) + mixer_set_volume(output->mixer, volume); + } +} diff --git a/src/mixer_all.h b/src/mixer_all.h index e7c9eecc8..ebe8fed68 100644 --- a/src/mixer_all.h +++ b/src/mixer_all.h @@ -43,4 +43,20 @@ mixer_all_get_volume(void); bool mixer_all_set_volume(unsigned volume); +/** + * Similar to mixer_all_get_volume(), but gets the volume only for + * software mixers. See #software_mixer_plugin. This function fails + * if no software mixer is configured. + */ +int +mixer_all_get_software_volume(void); + +/** + * Similar to mixer_all_set_volume(), but sets the volume only for + * software mixers. See #software_mixer_plugin. This function cannot + * fail, because the underlying software mixers cannot fail either. + */ +void +mixer_all_set_software_volume(unsigned volume); + #endif |