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ScreenCast: Pass PipeWire stream node ID directly

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As of commit 5f5ef3de2cdc816dab82cb7eb5d7171bee0ad2c5 in pipewire the
stream creator can find out the node ID of the stream it created.

So instead of using a special purpose entry to the info property box to
let the application discover stream by monitoring added nodes searching
for the given special purpose entry, just pass the node directly.

https://bugzilla.gnome.org/show_bug.cgi?id=784199
This commit is contained in:
Jonas Ådahl
2017-06-28 15:17:32 +08:00
parent 920541fa26
commit 53175e8788
7 changed files with 29 additions and 38 deletions
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34
src/backends/meta-screen-cast-stream-src.c
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@ -47,11 +47,11 @@ enum
PROP_0,
PROP_STREAM,
PROP_STREAM_ID,
};
enum
{
READY,
CLOSED,
N_SIGNALS
@ -81,7 +81,6 @@ typedef struct _MetaPipeWireSource
typedef struct _MetaScreenCastStreamSrcPrivate
{
MetaScreenCastStream *stream;
char *stream_id;
struct pw_core *pipewire_core;
struct pw_remote *pipewire_remote;
@ -243,6 +242,9 @@ on_stream_state_changed (void *data,
const char *error_message)
{
MetaScreenCastStreamSrc *src = data;
MetaScreenCastStreamSrcPrivate *priv =
meta_screen_cast_stream_src_get_instance_private (src);
uint32_t node_id;
switch (state)
{
@ -250,9 +252,12 @@ on_stream_state_changed (void *data,
g_warning ("pipewire stream error: %s", error_message);
meta_screen_cast_stream_src_notify_closed (src);
break;
case PW_STREAM_STATE_CONFIGURE:
node_id = pw_stream_get_node_id (priv->pipewire_stream);
g_signal_emit (src, signals[READY], 0, (unsigned int) node_id);
break;
case PW_STREAM_STATE_UNCONNECTED:
case PW_STREAM_STATE_CONNECTING:
case PW_STREAM_STATE_CONFIGURE:
case PW_STREAM_STATE_READY:
case PW_STREAM_STATE_PAUSED:
if (meta_screen_cast_stream_src_is_enabled (src))
@ -585,7 +590,6 @@ meta_screen_cast_stream_src_finalize (GObject *object)
pw_remote_destroy (priv->pipewire_remote);
pw_core_destroy (priv->pipewire_core);
g_source_destroy (&priv->pipewire_source->base);
g_clear_pointer (&priv->stream_id, g_free);
G_OBJECT_CLASS (meta_screen_cast_stream_src_parent_class)->finalize (object);
}
@ -605,9 +609,6 @@ meta_screen_cast_stream_src_set_property (GObject *object,
case PROP_STREAM:
priv->stream = g_value_get_object (value);
break;;
case PROP_STREAM_ID:
priv->stream_id = g_strdup (g_value_get_string (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
@ -628,9 +629,6 @@ meta_screen_cast_stream_src_get_property (GObject *object,
case PROP_STREAM:
g_value_set_object (value, priv->stream);
break;
case PROP_STREAM_ID:
g_value_set_string (value, priv->stream_id);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
@ -659,16 +657,14 @@ meta_screen_cast_stream_src_class_init (MetaScreenCastStreamSrcClass *klass)
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_STREAM_ID,
g_param_spec_string ("stream-id",
"stream-id",
"Unique stream ID",
NULL,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
signals[READY] = g_signal_new ("ready",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL, NULL,
G_TYPE_NONE, 1,
G_TYPE_UINT);
signals[CLOSED] = g_signal_new ("closed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,