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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

33
pinos/modules/gst/gst-manager.c
View file

@ -23,6 +23,7 @@
#include "gst-manager.h"
#include "gst-source.h"
#include "gst-sink.h"
#define PINOS_GST_MANAGER_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), PINOS_TYPE_GST_MANAGER, PinosGstManagerPrivate))
@ -64,7 +65,7 @@ device_added (PinosGstManager *manager,
PinosGstManagerPrivate *priv = manager->priv;
gchar *name, *klass;
GstElement *element;
PinosSource *source;
PinosNode *node;
GstStructure *p;
PinosProperties *properties;
GstCaps *caps;
@ -90,13 +91,24 @@ device_added (PinosGstManager *manager,
"gstreamer.device.class",
klass);
node = pinos_node_new (priv->daemon);
g_object_set_data (G_OBJECT (device), "PinosNode", node);
element = gst_device_create_element (device, NULL);
source = pinos_gst_source_new (priv->daemon,
name,
properties,
element,
caps);
g_object_set_data (G_OBJECT (device), "PinosSource", source);
if (strstr (klass, "Source")) {
pinos_gst_source_new (node,
name,
properties,
element,
caps);
} else if (strstr (klass, "Sink")) {
pinos_gst_sink_new (node,
name,
properties,
element,
caps);
}
pinos_properties_free (properties);
gst_caps_unref (caps);
@ -109,7 +121,7 @@ device_removed (PinosGstManager *manager,
GstDevice *device)
{
gchar *name;
PinosSource *source;
PinosNode *node;
name = gst_device_get_display_name (device);
if (strcmp (name, "gst") == 0)
@ -117,8 +129,8 @@ device_removed (PinosGstManager *manager,
g_print("Device removed: %s\n", name);
source = g_object_steal_data (G_OBJECT (device), "PinosSource");
g_object_unref (source);
node = g_object_steal_data (G_OBJECT (device), "PinosNode");
g_object_unref (node);
g_free (name);
}
@ -184,6 +196,7 @@ start_monitor (PinosGstManager *manager)
gst_device_monitor_add_filter (priv->monitor, "Video/Source", NULL);
gst_device_monitor_add_filter (priv->monitor, "Audio/Source", NULL);
gst_device_monitor_add_filter (priv->monitor, "Audio/Sink", NULL);
gst_device_monitor_start (priv->monitor);
providers = gst_device_monitor_get_providers (priv->monitor);