mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
Introduce the concept of a Port
A port is an input or output on a Node. Channels are created from the ports and inherit the direction of the port. do automatic port selection based on the direction and caps and node/port name. Simplify stream_connect by passing the direction. Fix pinossink to connect in setcaps so that we know the format and can select a good sink to connect to.
This commit is contained in:
Wim Taymans
parent
b885d40390
commit
ba4ef9b5d9
35 changed files with 1939 additions and 2120 deletions
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@ -35,6 +35,7 @@ struct _PinosGstSourcePrivate
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GstElement *filter;
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GstElement *sink;
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PinosPort *output;
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GstCaps *possible_formats;
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GstNetTimeProvider *provider;
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@ -50,15 +51,15 @@ enum {
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PROP_POSSIBLE_FORMATS
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};
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G_DEFINE_TYPE (PinosGstSource, pinos_gst_source, PINOS_TYPE_SOURCE);
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G_DEFINE_TYPE (PinosGstSource, pinos_gst_source, PINOS_TYPE_NODE);
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static gboolean
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bus_handler (GstBus *bus,
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GstMessage *message,
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gpointer user_data)
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{
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PinosSource *source = user_data;
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PinosGstSourcePrivate *priv = PINOS_GST_SOURCE (source)->priv;
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PinosNode *node = user_data;
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PinosGstSourcePrivate *priv = PINOS_GST_SOURCE (node)->priv;
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switch (GST_MESSAGE_TYPE (message)) {
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case GST_MESSAGE_ERROR:
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@ -70,7 +71,7 @@ bus_handler (GstBus *bus,
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g_warning ("got error %s (%s)\n", error->message, debug);
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g_free (debug);
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pinos_source_report_error (source, error);
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pinos_node_report_error (node, error);
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gst_element_set_state (priv->pipeline, GST_STATE_NULL);
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break;
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}
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@ -82,9 +83,9 @@ bus_handler (GstBus *bus,
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gst_message_parse_new_clock (message, &clock);
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GST_INFO ("got new clock %s", GST_OBJECT_NAME (clock));
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g_object_get (source, "properties", &props, NULL);
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g_object_get (node, "properties", &props, NULL);
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pinos_properties_set (props, "gst.pipeline.clock", GST_OBJECT_NAME (clock));
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g_object_set (source, "properties", props, NULL);
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g_object_set (node, "properties", props, NULL);
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pinos_properties_free (props);
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break;
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}
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@ -96,9 +97,9 @@ bus_handler (GstBus *bus,
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gst_message_parse_new_clock (message, &clock);
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GST_INFO ("clock lost %s", GST_OBJECT_NAME (clock));
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g_object_get (source, "properties", &props, NULL);
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g_object_get (node, "properties", &props, NULL);
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pinos_properties_remove (props, "gst.pipeline.clock");
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g_object_set (source, "properties", props, NULL);
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g_object_set (node, "properties", props, NULL);
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pinos_properties_free (props);
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gst_element_set_state (priv->pipeline, GST_STATE_PAUSED);
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@ -111,19 +112,16 @@ bus_handler (GstBus *bus,
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return TRUE;
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}
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static gboolean
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setup_pipeline (PinosGstSource *source, GError **error)
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{
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PinosGstSourcePrivate *priv = source->priv;
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GstBus *bus;
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g_debug ("gst-source %p: setup pipeline", source);
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priv->pipeline = gst_pipeline_new (NULL);
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gst_pipeline_set_latency (GST_PIPELINE_CAST (priv->pipeline), 0);
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g_debug ("gst-source %p: setup pipeline", source);
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gst_bin_add (GST_BIN (priv->pipeline), priv->element);
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priv->filter = gst_element_factory_make ("capsfilter", NULL);
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@ -150,9 +148,10 @@ static gboolean
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start_pipeline (PinosGstSource *source, GError **error)
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{
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PinosGstSourcePrivate *priv = source->priv;
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GstCaps *res;
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GstCaps *caps;
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GstQuery *query;
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GstStateChangeReturn ret;
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gchar *str;
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g_debug ("gst-source %p: starting pipeline", source);
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@ -161,9 +160,13 @@ start_pipeline (PinosGstSource *source, GError **error)
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goto ready_failed;
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query = gst_query_new_caps (NULL);
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gst_element_query (priv->element, query);
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gst_query_parse_caps_result (query, &res);
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gst_caps_replace (&priv->possible_formats, res);
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if (gst_element_query (priv->element, query)) {
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gst_query_parse_caps_result (query, &caps);
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gst_caps_replace (&priv->possible_formats, caps);
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str = gst_caps_to_string (caps);
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g_debug ("gst-source %p: updated possible formats %s", source, str);
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g_free (str);
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}
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gst_query_unref (query);
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return TRUE;
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@ -203,27 +206,27 @@ destroy_pipeline (PinosGstSource *source)
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static gboolean
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set_state (PinosSource *source,
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PinosSourceState state)
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set_state (PinosNode *node,
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PinosNodeState state)
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{
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PinosGstSourcePrivate *priv = PINOS_GST_SOURCE (source)->priv;
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PinosGstSourcePrivate *priv = PINOS_GST_SOURCE (node)->priv;
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g_debug ("gst-source %p: set state %d", source, state);
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g_debug ("gst-source %p: set state %s", node, pinos_node_state_as_string (state));
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switch (state) {
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case PINOS_SOURCE_STATE_SUSPENDED:
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case PINOS_NODE_STATE_SUSPENDED:
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gst_element_set_state (priv->pipeline, GST_STATE_NULL);
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break;
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case PINOS_SOURCE_STATE_INITIALIZING:
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case PINOS_NODE_STATE_INITIALIZING:
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gst_element_set_state (priv->pipeline, GST_STATE_READY);
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break;
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case PINOS_SOURCE_STATE_IDLE:
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case PINOS_NODE_STATE_IDLE:
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gst_element_set_state (priv->pipeline, GST_STATE_PAUSED);
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break;
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case PINOS_SOURCE_STATE_RUNNING:
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case PINOS_NODE_STATE_RUNNING:
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{
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GstQuery *query;
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GstClock *clock;
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@ -276,72 +279,13 @@ set_state (PinosSource *source,
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pinos_properties_setf (priv->props, "pinos.latency.max", "%"G_GUINT64_FORMAT, max_latency);
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break;
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}
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case PINOS_SOURCE_STATE_ERROR:
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case PINOS_NODE_STATE_ERROR:
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break;
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}
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pinos_source_update_state (source, state);
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pinos_node_update_state (node, state);
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return TRUE;
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}
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static GBytes *
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get_formats (PinosSource *source,
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GBytes *filter,
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GError **error)
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{
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PinosGstSourcePrivate *priv = PINOS_GST_SOURCE (source)->priv;
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GstCaps *caps, *cfilter;
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gchar *str;
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if (filter) {
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cfilter = gst_caps_from_string (g_bytes_get_data (filter, NULL));
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if (cfilter == NULL)
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goto invalid_filter;
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caps = gst_caps_intersect (priv->possible_formats, cfilter);
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gst_caps_unref (cfilter);
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if (caps == NULL)
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goto no_formats;
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} else {
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caps = gst_caps_ref (priv->possible_formats);
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}
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g_object_get (priv->filter, "caps", &cfilter, NULL);
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if (cfilter != NULL) {
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GstCaps *t = caps;
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caps = gst_caps_intersect (t, cfilter);
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gst_caps_unref (cfilter);
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gst_caps_unref (t);
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}
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if (gst_caps_is_empty (caps)) {
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gst_caps_unref (caps);
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goto no_formats;
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}
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str = gst_caps_to_string (caps);
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gst_caps_unref (caps);
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return g_bytes_new_take (str, strlen (str) + 1);
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invalid_filter:
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{
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if (error)
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*error = g_error_new (G_IO_ERROR,
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G_IO_ERROR_INVALID_ARGUMENT,
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"Invalid filter received");
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return NULL;
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}
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no_formats:
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{
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if (error)
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*error = g_error_new (G_IO_ERROR,
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G_IO_ERROR_NOT_FOUND,
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"No compatible format found");
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return NULL;
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}
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}
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static void
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on_socket_notify (GObject *gobject,
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GParamSpec *pspec,
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@ -374,7 +318,7 @@ on_socket_notify (GObject *gobject,
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g_object_get (priv->sink, "num-handles", &num_handles, NULL);
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if (num_handles == 0) {
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pinos_source_report_idle (PINOS_SOURCE (source));
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pinos_node_report_idle (PINOS_NODE (source));
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g_object_set (priv->filter, "caps", NULL, NULL);
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str = gst_caps_to_string (priv->possible_formats);
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@ -404,10 +348,10 @@ on_socket_notify (GObject *gobject,
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}
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/* this is what we use as the final format for the output */
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g_object_set (gobject, "format", format, NULL);
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pinos_source_report_busy (PINOS_SOURCE (source));
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pinos_node_report_busy (PINOS_NODE (source));
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}
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if (format) {
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pinos_source_update_possible_formats (PINOS_SOURCE (source), format);
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g_object_set (priv->output, "possible-formats", format, NULL);
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g_bytes_unref (format);
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}
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@ -420,64 +364,29 @@ on_socket_notify (GObject *gobject,
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pinos_properties_free (props);
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}
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static PinosChannel *
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create_channel (PinosSource *source,
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const gchar *client_path,
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GBytes *format_filter,
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PinosProperties *props,
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const gchar *prefix,
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GError **error)
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static void
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on_channel_added (PinosPort *port, PinosChannel *channel, PinosGstSource *source)
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{
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PinosGstSource *s = PINOS_GST_SOURCE (source);
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PinosGstSourcePrivate *priv = s->priv;
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PinosChannel *channel;
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gpointer state = NULL;
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const gchar *key, *val;
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PinosGstSourcePrivate *priv = source->priv;
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GError *error = NULL;
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if (priv->n_channels == 0) {
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if (!start_pipeline (s, error))
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return NULL;
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if (!start_pipeline (source, &error))
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return;
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}
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while ((key = pinos_properties_iterate (priv->props, &state))) {
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val = pinos_properties_get (priv->props, key);
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pinos_properties_set (props, key, val);
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}
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channel = PINOS_SOURCE_CLASS (pinos_gst_source_parent_class)
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->create_channel (source,
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client_path,
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format_filter,
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props,
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prefix,
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error);
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if (channel == NULL)
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goto no_channel;
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g_signal_connect (channel,
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"notify::socket",
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(GCallback) on_socket_notify,
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source);
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g_signal_connect (channel, "notify::socket", (GCallback) on_socket_notify, source);
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priv->n_channels++;
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return channel;
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/* ERRORS */
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no_channel:
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{
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if (priv->n_channels == 0)
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stop_pipeline (s);
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return NULL;
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}
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}
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static gboolean
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release_channel (PinosSource *source,
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PinosChannel *channel)
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static void
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on_channel_removed (PinosPort *port, PinosChannel *channel, PinosGstSource *source)
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{
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return PINOS_SOURCE_CLASS (pinos_gst_source_parent_class)
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->release_channel (source, channel);
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PinosGstSourcePrivate *priv = source->priv;
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priv->n_channels--;
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if (priv->n_channels == 0)
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stop_pipeline (source);
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}
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static void
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@ -532,10 +441,26 @@ static void
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source_constructed (GObject * object)
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{
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PinosGstSource *source = PINOS_GST_SOURCE (object);
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setup_pipeline (source, NULL);
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PinosGstSourcePrivate *priv = source->priv;
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gchar *str;
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GBytes *format;
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G_OBJECT_CLASS (pinos_gst_source_parent_class)->constructed (object);
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str = gst_caps_to_string (priv->possible_formats);
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format = g_bytes_new_take (str, strlen (str) + 1);
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priv->output = pinos_port_new (PINOS_NODE (source),
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PINOS_DIRECTION_OUTPUT,
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"output",
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format,
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NULL);
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g_bytes_unref (format);
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g_signal_connect (priv->output, "channel-added", (GCallback) on_channel_added, source);
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g_signal_connect (priv->output, "channel-removed", (GCallback) on_channel_removed, source);
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setup_pipeline (source, NULL);
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}
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static void
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@ -555,7 +480,7 @@ static void
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pinos_gst_source_class_init (PinosGstSourceClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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PinosSourceClass *source_class = PINOS_SOURCE_CLASS (klass);
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PinosNodeClass *node_class = PINOS_NODE_CLASS (klass);
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g_type_class_add_private (klass, sizeof (PinosGstSourcePrivate));
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@ -583,10 +508,7 @@ pinos_gst_source_class_init (PinosGstSourceClass * klass)
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G_PARAM_CONSTRUCT_ONLY |
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G_PARAM_STATIC_STRINGS));
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source_class->get_formats = get_formats;
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source_class->set_state = set_state;
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source_class->create_channel = create_channel;
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source_class->release_channel = release_channel;
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node_class->set_state = set_state;
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}
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static void
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@ -598,22 +520,22 @@ pinos_gst_source_init (PinosGstSource * source)
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priv->props = pinos_properties_new (NULL, NULL);
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}
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PinosSource *
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pinos_gst_source_new (PinosNode *node,
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PinosNode *
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pinos_gst_source_new (PinosDaemon *daemon,
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const gchar *name,
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PinosProperties *properties,
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GstElement *element,
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GstCaps *caps)
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{
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PinosSource *source;
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PinosNode *node;
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source = g_object_new (PINOS_TYPE_GST_SOURCE,
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"node", node,
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"name", name,
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"properties", properties,
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"element", element,
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"possible-formats", caps,
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NULL);
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node = g_object_new (PINOS_TYPE_GST_SOURCE,
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"daemon", daemon,
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"name", name,
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"properties", properties,
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"element", element,
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"possible-formats", caps,
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NULL);
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return source;
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return node;
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}
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