mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2026-03-27 07:58:16 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

pulse-server: Surface volume control flags as properties

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

24
src/modules/module-protocol-pulse/pulse-server.c
View file

@ -3692,7 +3692,7 @@ static int fill_card_info(struct client *client, struct message *m,
}
static int fill_sink_info_proplist(struct message *m, const struct spa_dict *sink_props,
const struct pw_manager_object *card)
const struct device_info *dev_info, const struct pw_manager_object *card)
{
struct pw_device_info *card_info = card ? card->info : NULL;
spa_autoptr(pw_properties) props = NULL;
@ -3706,6 +3706,26 @@ static int fill_sink_info_proplist(struct message *m, const struct spa_dict *sin
sink_props = &props->dict;
}
if (dev_info->volume_info.flags & VOLUME_CONTROL_MASK) {
props = pw_properties_new_dict(sink_props);
if (props == NULL)
return -ENOMEM;
#define SET_PROP(k, f) pw_properties_set(props, k, dev_info->volume_info.flags & (f) ? "true" : "false")
SET_PROP("device.volume.read-volume", VOLUME_READ);
SET_PROP("device.volume.write-volume-value", VOLUME_WRITE);
SET_PROP("device.volume.write-volume-updown", VOLUME_UPDOWN);
SET_PROP("device.volume.read-mute", VOLUME_READ_MUTE);
SET_PROP("device.volume.write-mute-value", VOLUME_WRITE_MUTE);
SET_PROP("device.volume.write-mute-toggle", VOLUME_TOGGLE_MUTE);
SET_PROP("device.volume.read-balance", VOLUME_READ_BALANCE);
SET_PROP("device.volume.write-balance", VOLUME_WRITE_BALANCE);
pw_properties_add(props, card_info->props);
sink_props = &props->dict;
}
message_put(m, TAG_PROPLIST, sink_props, TAG_INVALID);
return 0;
@ -3804,7 +3824,7 @@ static int fill_sink_info(struct client *client, struct message *m,
if (client->version >= 13) {
int res;
if ((res = fill_sink_info_proplist(m, info->props, card)) < 0)
if ((res = fill_sink_info_proplist(m, info->props, &dev_info, card)) < 0)
return res;
message_put(m,
TAG_USEC, 0LL, /* requested latency */

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;
}

9
src/modules/module-protocol-pulse/volume.h
View file

@ -32,6 +32,15 @@ struct volume_info {
uint32_t steps;
#define VOLUME_HW_VOLUME (1<<0)
#define VOLUME_HW_MUTE (1<<1)
#define VOLUME_READ (1<<2)
#define VOLUME_WRITE (1<<3)
#define VOLUME_UPDOWN (1<<4)
#define VOLUME_READ_MUTE (1<<5)
#define VOLUME_WRITE_MUTE (1<<6)
#define VOLUME_TOGGLE_MUTE (1<<7)
#define VOLUME_READ_BALANCE (1<<8)
#define VOLUME_WRITE_BALANCE (1<<9)
#define VOLUME_CONTROL_MASK (0x01FC)
uint32_t flags;
};