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media-session: set node volume

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This commit is contained in:
Wim Taymans 2018-10-18 15:16:59 +02:00
parent f2e03077a8
commit e59a7c0848
1 changed files with 19 additions and 1 deletions
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20
src/examples/media-session.c
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@ -28,6 +28,7 @@
#include <spa/node/node.h> #include <spa/node/node.h>
#include <spa/utils/hook.h> #include <spa/utils/hook.h>
#include <spa/param/audio/format-utils.h> #include <spa/param/audio/format-utils.h>
#include <spa/param/props.h>
#include "pipewire/core.h" #include "pipewire/core.h"
#include "pipewire/control.h" #include "pipewire/control.h"
@ -809,6 +810,22 @@ static int link_nodes(struct node *peer, enum pw_direction direction, struct nod
return 0; return 0;
} }
static void stream_set_volume(struct impl *impl, struct node *node, float volume, bool mute)
{
char buf[1024];
struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buf, sizeof(buf));
pw_log_debug(NAME " %p: node %d set volume:%f mute:%d", impl, node->obj.id, volume, mute);
pw_node_proxy_set_param((struct pw_node_proxy*)node->obj.proxy,
SPA_PARAM_Props, 0,
spa_pod_builder_object(&b,
SPA_TYPE_OBJECT_Props, SPA_PARAM_Props,
SPA_PROP_volume, &SPA_POD_Float(volume),
SPA_PROP_mute, &SPA_POD_Bool(mute),
0));
}
static int rescan_node(struct impl *impl, struct node *node) static int rescan_node(struct impl *impl, struct node *node)
{ {
struct spa_dict *props; struct spa_dict *props;
@ -966,9 +983,10 @@ static int rescan_node(struct impl *impl, struct node *node)
SPA_PARAM_PROFILE_format, spa_format_audio_raw_build(&b, SPA_PARAM_PROFILE_format, spa_format_audio_raw_build(&b,
SPA_PARAM_Format, &audio_info), SPA_PARAM_Format, &audio_info),
0); 0);
pw_node_proxy_set_param((struct pw_node_proxy*)node->obj.proxy, pw_node_proxy_set_param((struct pw_node_proxy*)node->obj.proxy,
SPA_PARAM_Profile, 0, param); SPA_PARAM_Profile, 0, param);
stream_set_volume(impl, node, 1.0, false);
} else { } else {
audio_info.channels = 1; audio_info.channels = 1;
} }