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Introduce the concept of a Node

Browse source 
Make an object for a processing node.
Implement a sink node. Make it possible to implement Sink and Source
interfaces to provide input/output from the node.
Improve pinosdepay to track fds and handle format changes.
This commit is contained in:
Wim Taymans 2016-05-05 13:31:18 +02:00
parent 7597e48e02
commit b885d40390
27 changed files with 3150 additions and 160 deletions
Download patch file Download diff file Expand all files Collapse all files

85
pinos/client/stream.c
View file

@ -39,7 +39,7 @@ struct _PinosStreamPrivate
PinosStreamState state;
GError *error;
gchar *source_path;
gchar *path;
GBytes *possible_formats;
gboolean provide;
@ -240,7 +240,7 @@ pinos_stream_finalize (GObject * object)
if (priv->format)
g_bytes_unref (priv->format);
g_free (priv->source_path);
g_free (priv->path);
if (priv->possible_formats)
g_bytes_unref (priv->possible_formats);
@ -502,20 +502,20 @@ on_channel_proxy (GObject *source_object,
GError *error = NULL;
priv->channel = pinos_subscribe_get_proxy_finish (context->priv->subscribe,
res,
&error);
res,
&error);
if (priv->channel == NULL)
goto channel_failed;
/* get the source we are connected to */
v = g_dbus_proxy_get_cached_property (priv->channel, "Source");
v = g_dbus_proxy_get_cached_property (priv->channel, "Owner");
if (v) {
gsize len;
str = g_variant_dup_string (v, &len);
g_variant_unref (v);
g_free (priv->source_path);
priv->source_path = str;
g_free (priv->path);
priv->path = str;
}
v = g_dbus_proxy_get_cached_property (priv->channel, "PossibleFormats");
@ -604,7 +604,7 @@ do_connect_source (PinosStream *stream)
g_dbus_proxy_call (context->priv->client,
"CreateSourceChannel",
g_variant_new ("(ss@a{sv})",
(priv->source_path ? priv->source_path : ""),
(priv->path ? priv->path : ""),
g_bytes_get_data (priv->possible_formats, NULL),
pinos_properties_to_variant (priv->properties)),
G_DBUS_CALL_FLAGS_NONE,
@ -644,8 +644,8 @@ pinos_stream_connect_source (PinosStream *stream,
g_return_val_if_fail (pinos_context_get_state (context) == PINOS_CONTEXT_STATE_READY, FALSE);
g_return_val_if_fail (pinos_stream_get_state (stream) == PINOS_STREAM_STATE_UNCONNECTED, FALSE);
g_free (priv->source_path);
priv->source_path = g_strdup (source_path);
g_free (priv->path);
priv->path = g_strdup (source_path);
if (priv->possible_formats)
g_bytes_unref (priv->possible_formats);
priv->possible_formats = possible_formats;
@ -660,6 +660,71 @@ pinos_stream_connect_source (PinosStream *stream,
return TRUE;
}
static gboolean
do_connect_sink (PinosStream *stream)
{
PinosStreamPrivate *priv = stream->priv;
PinosContext *context = priv->context;
g_dbus_proxy_call (context->priv->client,
"CreateSinkChannel",
g_variant_new ("(ss@a{sv})",
(priv->path ? priv->path : ""),
g_bytes_get_data (priv->possible_formats, NULL),
pinos_properties_to_variant (priv->properties)),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL, /* GCancellable *cancellable */
on_channel_created,
stream);
return FALSE;
}
/**
* pinos_stream_connect_sink:
* @stream: a #PinosStream
* @sink_path: the sink path to connect to
* @flags: a #PinosStreamFlags
* @possible_formats: (transfer full): a #GBytes with possible accepted formats
*
* Connect @stream for playback to @sink_path.
*
* Returns: %TRUE on success.
*/
gboolean
pinos_stream_connect_sink (PinosStream *stream,
const gchar *sink_path,
PinosStreamFlags flags,
GBytes *possible_formats)
{
PinosStreamPrivate *priv;
PinosContext *context;
g_return_val_if_fail (PINOS_IS_STREAM (stream), FALSE);
g_return_val_if_fail (possible_formats != NULL, FALSE);
priv = stream->priv;
context = priv->context;
g_return_val_if_fail (pinos_context_get_state (context) == PINOS_CONTEXT_STATE_READY, FALSE);
g_return_val_if_fail (pinos_stream_get_state (stream) == PINOS_STREAM_STATE_UNCONNECTED, FALSE);
g_free (priv->path);
priv->path = g_strdup (sink_path);
if (priv->possible_formats)
g_bytes_unref (priv->possible_formats);
priv->possible_formats = possible_formats;
priv->provide = FALSE;
stream_set_state (stream, PINOS_STREAM_STATE_CONNECTING, NULL);
g_main_context_invoke (context->priv->context,
(GSourceFunc) do_connect_sink,
g_object_ref (stream));
return TRUE;
}
static gboolean
do_connect_provide (PinosStream *stream)
{