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pulse-server: Surface volume control flags as properties

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We could udpate the libpulse protocol to add more flag types, but this
seems simpler than requiring a protocol and ABI update.
This commit is contained in:
Arun Raghavan 2026-03-04 18:52:06 -08:00
parent e863e71f6b
commit 3ef6618ce2
3 changed files with 55 additions and 2 deletions
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24
src/modules/module-protocol-pulse/volume.c
View file

@ -4,6 +4,7 @@
#include <spa/param/props.h>
#include <spa/param/audio/raw.h>
#include <spa/param/audio/volume.h>
#include <spa/pod/iter.h>
#include <spa/utils/defs.h>
#include <pipewire/log.h>
@ -86,6 +87,29 @@ int volume_parse_param(const struct spa_pod *param, struct volume_info *info, bo
info->map.channels = spa_pod_copy_array(&prop->value, SPA_TYPE_Id,
info->map.map, SPA_N_ELEMENTS(info->map.map));
break;
case SPA_PROP_volumeControlFlags:
{
uint32_t flags;
if (spa_pod_get_id(&prop->value, &flags) >= 0) {
SPA_FLAG_UPDATE(info->flags, VOLUME_READ,
flags & SPA_AUDIO_VOLUME_CONTROL_READ_VOLUME);
SPA_FLAG_UPDATE(info->flags, VOLUME_WRITE,
flags & SPA_AUDIO_VOLUME_CONTROL_WRITE_VOLUME_VALUE);
SPA_FLAG_UPDATE(info->flags, VOLUME_UPDOWN,
flags & SPA_AUDIO_VOLUME_CONTROL_WRITE_VOLUME_UPDOWN);
SPA_FLAG_UPDATE(info->flags, VOLUME_READ_MUTE,
flags & SPA_AUDIO_VOLUME_CONTROL_READ_MUTE);
SPA_FLAG_UPDATE(info->flags, VOLUME_WRITE_MUTE,
flags & SPA_AUDIO_VOLUME_CONTROL_WRITE_MUTE_VALUE);
SPA_FLAG_UPDATE(info->flags, VOLUME_TOGGLE_MUTE,
flags & SPA_AUDIO_VOLUME_CONTROL_WRITE_MUTE_TOGGLE);
SPA_FLAG_UPDATE(info->flags, VOLUME_READ_BALANCE,
flags & SPA_AUDIO_VOLUME_CONTROL_READ_BALANCE);
SPA_FLAG_UPDATE(info->flags, VOLUME_WRITE_BALANCE,
flags & SPA_AUDIO_VOLUME_CONTROL_WRITE_BALANCE);
}
break;
}
default:
break;
}