mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-10-29 05:40:27 -04:00
ca4f3d84cd
Make it possible to have a mixer/spliter and converter for the gstreamer sources and sinks. Add logic to make a new input/output port when the existing ports are not of the required format.
568 lines
14 KiB
C
568 lines
14 KiB
C
/* Pinos
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* Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <gio/gio.h>
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#include "pinos/client/pinos.h"
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#include "pinos/client/enumtypes.h"
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#include "pinos/client/node.h"
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#define PINOS_NODE_GET_PRIVATE(node) \
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(G_TYPE_INSTANCE_GET_PRIVATE ((node), PINOS_TYPE_NODE, PinosNodePrivate))
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struct _PinosNodePrivate
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{
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gchar *name;
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PinosNodeState state;
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GError *error;
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guint idle_timeout;
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PinosProperties *properties;
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GList *ports;
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};
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G_DEFINE_ABSTRACT_TYPE (PinosNode, pinos_node, G_TYPE_OBJECT);
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enum
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{
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PROP_0,
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PROP_NAME,
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PROP_STATE,
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PROP_PROPERTIES,
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};
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enum
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{
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SIGNAL_REMOVE,
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LAST_SIGNAL
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};
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static guint signals[LAST_SIGNAL] = { 0 };
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static void
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pinos_node_get_property (GObject *_object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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PinosNode *node = PINOS_NODE (_object);
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PinosNodePrivate *priv = node->priv;
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switch (prop_id) {
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case PROP_NAME:
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g_value_set_string (value, priv->name);
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break;
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case PROP_STATE:
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g_value_set_enum (value, priv->state);
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break;
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case PROP_PROPERTIES:
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g_value_set_boxed (value, priv->properties);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (node, prop_id, pspec);
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break;
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}
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}
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static void
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pinos_node_set_property (GObject *_object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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PinosNode *node = PINOS_NODE (_object);
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PinosNodePrivate *priv = node->priv;
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switch (prop_id) {
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case PROP_NAME:
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priv->name = g_value_dup_string (value);
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break;
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case PROP_PROPERTIES:
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if (priv->properties)
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pinos_properties_free (priv->properties);
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priv->properties = g_value_dup_boxed (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (node, prop_id, pspec);
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break;
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}
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}
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static void
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pinos_node_constructed (GObject * obj)
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{
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PinosNode *node = PINOS_NODE (obj);
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g_debug ("node %p: constructed", node);
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G_OBJECT_CLASS (pinos_node_parent_class)->constructed (obj);
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}
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static void
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pinos_node_dispose (GObject * obj)
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{
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PinosNode *node = PINOS_NODE (obj);
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PinosNodePrivate *priv = node->priv;
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g_debug ("node %p: dispose", node);
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pinos_node_set_state (node, PINOS_NODE_STATE_SUSPENDED);
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g_list_free_full (priv->ports, (GDestroyNotify) g_object_unref);
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priv->ports = NULL;
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G_OBJECT_CLASS (pinos_node_parent_class)->dispose (obj);
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}
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static void
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pinos_node_finalize (GObject * obj)
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{
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PinosNode *node = PINOS_NODE (obj);
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PinosNodePrivate *priv = node->priv;
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g_debug ("node %p: finalize", node);
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g_free (priv->name);
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g_clear_error (&priv->error);
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if (priv->properties)
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pinos_properties_free (priv->properties);
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G_OBJECT_CLASS (pinos_node_parent_class)->finalize (obj);
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}
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static void
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pinos_node_class_init (PinosNodeClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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g_type_class_add_private (klass, sizeof (PinosNodePrivate));
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gobject_class->constructed = pinos_node_constructed;
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gobject_class->dispose = pinos_node_dispose;
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gobject_class->finalize = pinos_node_finalize;
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gobject_class->set_property = pinos_node_set_property;
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gobject_class->get_property = pinos_node_get_property;
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g_object_class_install_property (gobject_class,
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PROP_NAME,
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g_param_spec_string ("name",
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"Name",
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"The node name",
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NULL,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class,
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PROP_STATE,
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g_param_spec_enum ("state",
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"State",
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"The state of the node",
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PINOS_TYPE_NODE_STATE,
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PINOS_NODE_STATE_SUSPENDED,
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G_PARAM_READABLE |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class,
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PROP_PROPERTIES,
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g_param_spec_boxed ("properties",
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"Properties",
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"The properties of the node",
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PINOS_TYPE_PROPERTIES,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT |
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G_PARAM_STATIC_STRINGS));
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signals[SIGNAL_REMOVE] = g_signal_new ("remove",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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0,
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NULL,
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NULL,
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g_cclosure_marshal_generic,
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G_TYPE_NONE,
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0,
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G_TYPE_NONE);
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}
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static void
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pinos_node_init (PinosNode * node)
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{
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PinosNodePrivate *priv = node->priv = PINOS_NODE_GET_PRIVATE (node);
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g_debug ("node %p: new", node);
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priv->state = PINOS_NODE_STATE_SUSPENDED;
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}
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/**
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* pinos_node_get_name:
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* @node: a #PinosNode
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*
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* Get the name of @node
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*
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* Returns: the name of @node
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*/
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const gchar *
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pinos_node_get_name (PinosNode *node)
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{
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PinosNodePrivate *priv;
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g_return_val_if_fail (PINOS_IS_NODE (node), NULL);
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priv = node->priv;
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return priv->name;
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}
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/**
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* pinos_node_get_state:
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* @node: a #PinosNode
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*
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* Get the state of @node
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*
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* Returns: the state of @node
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*/
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PinosNodeState
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pinos_node_get_state (PinosNode *node)
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{
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PinosNodePrivate *priv;
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g_return_val_if_fail (PINOS_IS_NODE (node), PINOS_NODE_STATE_ERROR);
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priv = node->priv;
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return priv->state;
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}
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/**
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* pinos_node_get_properties:
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* @node: a #PinosNode
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*
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* Get the properties of @node
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*
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* Returns: the properties of @node
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*/
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PinosProperties *
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pinos_node_get_properties (PinosNode *node)
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{
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PinosNodePrivate *priv;
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g_return_val_if_fail (PINOS_IS_NODE (node), NULL);
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priv = node->priv;
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return priv->properties;
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}
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/**
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* pinos_node_remove:
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* @node: a #PinosNode
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*
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* Remove @node. This will stop the transfer on the node and
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* free the resources allocated by @node.
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*/
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void
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pinos_node_remove (PinosNode *node)
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{
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g_return_if_fail (PINOS_IS_NODE (node));
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g_debug ("node %p: remove", node);
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g_signal_emit (node, signals[SIGNAL_REMOVE], 0, NULL);
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}
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static void
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handle_remove_port (PinosPort *port, PinosNode *node)
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{
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pinos_node_remove_port (node, port);
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}
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/**
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* pinos_node_create_port:
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* @node: a #PinosNode
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* @direction: the direction of the port
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* @name: the name of the port
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* @possible_formats: possible media formats for the port
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* @props: extra properties for the port
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*
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* Create a new #PinosPort from @node.
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*
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* Returns: a new #PinosPort that should be freed with
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* pinos_node_remove_port().
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*/
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void
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pinos_node_create_port (PinosNode *node,
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PinosDirection direction,
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const gchar *name,
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GBytes *possible_formats,
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PinosProperties *props,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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PinosNodeClass *klass;
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GTask *task;
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g_return_if_fail (PINOS_IS_NODE (node));
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klass = PINOS_NODE_GET_CLASS (node);
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if (!klass->create_port)
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return;
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g_debug ("node %p: create port", node);
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task = g_task_new (node, cancellable, callback, user_data);
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klass->create_port (node, direction, name, possible_formats, props, task);
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}
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PinosPort *
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pinos_node_create_port_finish (PinosNode *node,
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GAsyncResult *res,
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GError **error)
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{
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PinosPort *port;
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PinosNodePrivate *priv;
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g_return_val_if_fail (PINOS_IS_NODE (node), NULL);
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priv = node->priv;
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port = g_task_propagate_pointer (G_TASK (res), error);
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if (port != NULL) {
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pinos_node_add_port (node, port);
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}
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g_debug ("node %p: created port %p", node, port);
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return port;
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}
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/**
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* pinos_node_add_port:
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* @node: a #PinosNode
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* @port: (transfer full): a #PinosPort
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*
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* Add the #PinosPort to @node
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*/
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void
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pinos_node_add_port (PinosNode *node, PinosPort *port)
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{
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PinosNodePrivate *priv;
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GList *find;
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g_return_if_fail (PINOS_IS_NODE (node));
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g_return_if_fail (PINOS_IS_PORT (port));
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priv = node->priv;
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find = g_list_find (priv->ports, port);
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if (find == NULL) {
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g_debug ("node %p: add port %p", node, port);
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priv->ports = g_list_append (priv->ports, port);
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g_signal_connect (port, "remove", (GCallback) handle_remove_port, node);
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}
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}
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/**
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* pinos_node_remove_port:
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* @node: a #PinosNode
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* @port: (transfer full): a #PinosPort
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*
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* Remove the #PinosPort from @node
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*/
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void
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pinos_node_remove_port (PinosNode *node, PinosPort *port)
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{
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PinosNodePrivate *priv;
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PinosNodeClass *klass;
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GList *find;
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g_return_if_fail (PINOS_IS_NODE (node));
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g_return_if_fail (PINOS_IS_PORT (port));
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priv = node->priv;
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find = g_list_find (priv->ports, port);
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if (find) {
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klass = PINOS_NODE_GET_CLASS (node);
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if (klass->remove_port)
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klass->remove_port (node, port);
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g_debug ("node %p: removed port %p", node, port);
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priv->ports = g_list_delete_link (priv->ports, find);
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g_object_unref (port);
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}
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}
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/**
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* pinos_node_get_ports:
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* @node: a #PinosNode
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*
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* Get the list of ports in @node.
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*
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* Returns: a #GList of ports owned by @node.
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*/
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GList *
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pinos_node_get_ports (PinosNode *node)
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{
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PinosNodePrivate *priv;
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g_return_val_if_fail (PINOS_IS_NODE (node), NULL);
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priv = node->priv;
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return priv->ports;
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}
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static void
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remove_idle_timeout (PinosNode *node)
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{
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PinosNodePrivate *priv = node->priv;
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if (priv->idle_timeout) {
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g_source_remove (priv->idle_timeout);
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priv->idle_timeout = 0;
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}
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}
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/**
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* pinos_node_set_state:
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* @node: a #PinosNode
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* @state: a #PinosNodeState
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*
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* Set the state of @node to @state.
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*
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* Returns: %TRUE on success.
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*/
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gboolean
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pinos_node_set_state (PinosNode *node,
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PinosNodeState state)
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{
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PinosNodeClass *klass;
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gboolean res;
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g_return_val_if_fail (PINOS_IS_NODE (node), FALSE);
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klass = PINOS_NODE_GET_CLASS (node);
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remove_idle_timeout (node);
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g_debug ("node %p: set state to %s", node, pinos_node_state_as_string (state));
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if (klass->set_state)
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res = klass->set_state (node, state);
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else
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res = FALSE;
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return res;
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}
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/**
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* pinos_node_update_state:
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* @node: a #PinosNode
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* @state: a #PinosNodeState
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*
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* Update the state of a node. This method is used from
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* inside @node itself.
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*/
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void
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pinos_node_update_state (PinosNode *node,
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PinosNodeState state)
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{
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PinosNodePrivate *priv;
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g_return_if_fail (PINOS_IS_NODE (node));
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priv = node->priv;
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if (priv->state != state) {
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g_debug ("node %p: update state to %s", node, pinos_node_state_as_string (state));
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priv->state = state;
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g_object_notify (G_OBJECT (node), "state");
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}
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}
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/**
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* pinos_node_report_error:
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* @node: a #PinosNode
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* @error: a #GError
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*
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* Report an error from within @node.
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*/
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void
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pinos_node_report_error (PinosNode *node,
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GError *error)
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{
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PinosNodePrivate *priv;
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g_return_if_fail (PINOS_IS_NODE (node));
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priv = node->priv;
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g_clear_error (&priv->error);
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remove_idle_timeout (node);
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priv->error = error;
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priv->state = PINOS_NODE_STATE_ERROR;
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g_debug ("node %p: got error state %s", node, error->message);
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g_object_notify (G_OBJECT (node), "state");
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}
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static gboolean
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idle_timeout (PinosNode *node)
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{
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PinosNodePrivate *priv = node->priv;
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priv->idle_timeout = 0;
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g_debug ("node %p: idle timeout", node);
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pinos_node_set_state (node, PINOS_NODE_STATE_SUSPENDED);
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return G_SOURCE_REMOVE;
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}
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/**
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* pinos_node_report_idle:
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* @node: a #PinosNode
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*
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* Mark @node as being idle. This will start a timeout that will
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* set the node to SUSPENDED.
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*/
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void
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pinos_node_report_idle (PinosNode *node)
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{
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PinosNodePrivate *priv;
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g_return_if_fail (PINOS_IS_NODE (node));
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priv = node->priv;
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g_debug ("node %p: report idle", node);
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pinos_node_set_state (node, PINOS_NODE_STATE_IDLE);
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priv->idle_timeout = g_timeout_add_seconds (3,
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(GSourceFunc) idle_timeout,
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node);
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}
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/**
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* pinos_node_report_busy:
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* @node: a #PinosNode
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*
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* Mark @node as being busy. This will set the state of the node
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* to the RUNNING state.
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*/
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void
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pinos_node_report_busy (PinosNode *node)
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|
{
|
|
g_return_if_fail (PINOS_IS_NODE (node));
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|
|
|
g_debug ("node %p: report busy", node);
|
|
pinos_node_set_state (node, PINOS_NODE_STATE_RUNNING);
|
|
}
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