[telepathy-gabble/master] Add basic codec offer support

Sjoerd Simons sjoerd.simons at collabora.co.uk
Tue Dec 29 05:34:41 PST 2009


---
 src/Makefile.am               |    2 +
 src/call-content-codecoffer.c |  319 +++++++++++++++++++++++++++++++++++++++++
 src/call-content-codecoffer.h |   83 +++++++++++
 src/call-content.c            |   75 ++++++++++
 4 files changed, 479 insertions(+), 0 deletions(-)
 create mode 100644 src/call-content-codecoffer.c
 create mode 100644 src/call-content-codecoffer.h

diff --git a/src/Makefile.am b/src/Makefile.am
index 70251e1..6d6f73a 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -27,6 +27,8 @@ libgabble_convenience_la_SOURCES = \
     bytestream-socks5.c \
     call-content.h \
     call-content.c \
+    call-content-codecoffer.h \
+    call-content-codecoffer.c \
     call-channel.h \
     call-channel.c \
     call-stream.h \
diff --git a/src/call-content-codecoffer.c b/src/call-content-codecoffer.c
new file mode 100644
index 0000000..3d0b238
--- /dev/null
+++ b/src/call-content-codecoffer.c
@@ -0,0 +1,319 @@
+/*
+ * call-content-codecoffer.c - Source for GabbleCallContentCodecoffer
+ * Copyright (C) 2009 Collabora Ltd.
+ * @author Sjoerd Simons <sjoerd.simons at collabora.co.uk>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <telepathy-glib/dbus.h>
+#include <telepathy-glib/dbus-properties-mixin.h>
+#include <telepathy-glib/svc-properties-interface.h>
+
+#include "call-content-codecoffer.h"
+#include <extensions/extensions.h>
+
+#define DEBUG_FLAG GABBLE_DEBUG_MEDIA
+#include "debug.h"
+
+static void call_content_codecoffer_iface_init (gpointer, gpointer);
+
+G_DEFINE_TYPE_WITH_CODE(GabbleCallContentCodecoffer,
+  gabble_call_content_codecoffer,
+  G_TYPE_OBJECT,
+  G_IMPLEMENT_INTERFACE (GABBLE_TYPE_SVC_CALL_CONTENT_CODEC_OFFER,
+        call_content_codecoffer_iface_init);
+   G_IMPLEMENT_INTERFACE (TP_TYPE_SVC_DBUS_PROPERTIES,
+    tp_dbus_properties_mixin_iface_init);
+  );
+
+/* properties */
+enum
+{
+  PROP_OBJECT_PATH = 1,
+  PROP_REMOTE_CONTACT_CODEC_MAP,
+};
+
+#if 0
+/* signal enum */
+enum
+{
+    LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = {0};
+#endif
+
+/* private structure */
+struct _GabbleCallContentCodecofferPrivate
+{
+  gboolean dispose_has_run;
+
+  gchar *object_path;
+  GHashTable *codec_map;
+  GSimpleAsyncResult *result;
+};
+
+#define GABBLE_CALL_CONTENT_CODECOFFER_GET_PRIVATE(o) \
+    (G_TYPE_INSTANCE_GET_PRIVATE ((o), \
+    GABBLE_TYPE_CALL_CONTENT_CODECOFFER, GabbleCallContentCodecofferPrivate))
+
+static void
+gabble_call_content_codecoffer_init (GabbleCallContentCodecoffer *self)
+{
+  GabbleCallContentCodecofferPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
+      GABBLE_TYPE_CALL_CONTENT_CODECOFFER,
+      GabbleCallContentCodecofferPrivate);
+
+  self->priv = priv;
+}
+
+static void gabble_call_content_codecoffer_dispose (GObject *object);
+static void gabble_call_content_codecoffer_finalize (GObject *object);
+
+static void
+gabble_call_content_codecoffer_get_property (GObject    *object,
+    guint       property_id,
+    GValue     *value,
+    GParamSpec *pspec)
+{
+  GabbleCallContentCodecoffer *offer =
+    GABBLE_CALL_CONTENT_CODECOFFER (object);
+  GabbleCallContentCodecofferPrivate *priv = offer->priv;
+
+  switch (property_id)
+    {
+      case PROP_OBJECT_PATH:
+        g_value_set_string (value, priv->object_path);
+        break;
+      case PROP_REMOTE_CONTACT_CODEC_MAP:
+        g_value_set_boxed (value, priv->codec_map);
+        break;
+      default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+        break;
+    }
+}
+
+static void
+gabble_call_content_codecoffer_set_property (GObject *object,
+    guint property_id,
+    const GValue *value,
+    GParamSpec *pspec)
+{
+  GabbleCallContentCodecoffer *content =
+    GABBLE_CALL_CONTENT_CODECOFFER (object);
+  GabbleCallContentCodecofferPrivate *priv = content->priv;
+
+  switch (property_id)
+    {
+      case PROP_OBJECT_PATH:
+        g_free (priv->object_path);
+        priv->object_path = g_value_dup_string (value);
+        break;
+      case PROP_REMOTE_CONTACT_CODEC_MAP:
+        priv->codec_map = g_value_dup_boxed (value);
+        break;
+      default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+        break;
+    }
+}
+
+static void
+gabble_call_content_codecoffer_class_init (
+  GabbleCallContentCodecofferClass *gabble_call_content_codecoffer_class)
+{
+  GObjectClass *object_class =
+    G_OBJECT_CLASS (gabble_call_content_codecoffer_class);
+  GParamSpec *spec;
+
+  static TpDBusPropertiesMixinPropImpl codecoffer_props[] = {
+    { "RemoteContactCodecMap", "remote-contact-codec-map", NULL },
+    { NULL }
+  };
+
+  static TpDBusPropertiesMixinIfaceImpl prop_interfaces[] = {
+      { GABBLE_IFACE_CALL_CONTENT_CODEC_OFFER,
+        tp_dbus_properties_mixin_getter_gobject_properties,
+        NULL,
+        codecoffer_props,
+      },
+      { NULL }
+  };
+
+
+  g_type_class_add_private (gabble_call_content_codecoffer_class,
+    sizeof (GabbleCallContentCodecofferPrivate));
+
+  object_class->get_property = gabble_call_content_codecoffer_get_property;
+  object_class->set_property = gabble_call_content_codecoffer_set_property;
+
+  object_class->dispose = gabble_call_content_codecoffer_dispose;
+  object_class->finalize = gabble_call_content_codecoffer_finalize;
+
+  spec = g_param_spec_string ("object-path", "D-Bus object path",
+      "The D-Bus object path used for this "
+      "object on the bus.",
+      NULL,
+      G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+  g_object_class_install_property (object_class, PROP_OBJECT_PATH, spec);
+
+  spec = g_param_spec_boxed ("remote-contact-codec-map",
+      "RemoteContactCodecMap",
+      "The map of contacts to codecs",
+      GABBLE_HASH_TYPE_CONTACT_CODEC_MAP,
+      G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
+  g_object_class_install_property (object_class, PROP_REMOTE_CONTACT_CODEC_MAP,
+      spec);
+
+  gabble_call_content_codecoffer_class->dbus_props_class.interfaces
+    = prop_interfaces;
+  tp_dbus_properties_mixin_class_init (object_class,
+      G_STRUCT_OFFSET (GabbleCallContentCodecofferClass, dbus_props_class));
+}
+
+void
+gabble_call_content_codecoffer_dispose (GObject *object)
+{
+  GabbleCallContentCodecoffer *self = GABBLE_CALL_CONTENT_CODECOFFER (object);
+  GabbleCallContentCodecofferPrivate *priv = self->priv;
+
+  g_assert (priv->result == NULL);
+
+  if (priv->dispose_has_run)
+    return;
+
+  priv->dispose_has_run = TRUE;
+
+  if (priv->codec_map != NULL)
+    {
+      /* dbus-glib :( */
+      g_boxed_free (GABBLE_HASH_TYPE_CONTACT_CODEC_MAP, priv->codec_map);
+    }
+  priv->codec_map = NULL;
+
+  /* release any references held by the object here */
+  if (G_OBJECT_CLASS (gabble_call_content_codecoffer_parent_class)->dispose)
+    G_OBJECT_CLASS (gabble_call_content_codecoffer_parent_class)->dispose (
+      object);
+}
+
+void
+gabble_call_content_codecoffer_finalize (GObject *object)
+{
+  GabbleCallContentCodecoffer *self = GABBLE_CALL_CONTENT_CODECOFFER (object);
+  GabbleCallContentCodecofferPrivate *priv = self->priv;
+
+  g_free (priv->object_path);
+  /* free any data held directly by the object here */
+
+  G_OBJECT_CLASS (gabble_call_content_codecoffer_parent_class)->finalize (
+    object);
+}
+
+static void
+gabble_call_content_codec_offer_accept (GabbleSvcCallContentCodecOffer *iface,
+    const GPtrArray *codecs,
+    DBusGMethodInvocation *context)
+{
+  GabbleCallContentCodecoffer *self = GABBLE_CALL_CONTENT_CODECOFFER (iface);
+  GabbleCallContentCodecofferPrivate *priv = self->priv;
+  DBusGConnection *bus = tp_get_bus ();
+
+
+  g_simple_async_result_set_op_res_gpointer (priv->result,
+    (gpointer) codecs, NULL);
+  g_simple_async_result_complete (priv->result);
+  g_object_unref (priv->result);
+  priv->result = NULL;
+
+  gabble_svc_call_content_codec_offer_return_from_accept (context);
+
+  dbus_g_connection_unregister_g_object (bus, G_OBJECT (self));
+}
+
+static void
+call_content_codecoffer_iface_init (gpointer iface, gpointer data)
+{
+  GabbleSvcCallContentCodecOfferClass *klass =
+    (GabbleSvcCallContentCodecOfferClass *) iface;
+
+#define IMPLEMENT(x) gabble_svc_call_content_codec_offer_implement_##x (\
+    klass, gabble_call_content_codec_offer_##x)
+  IMPLEMENT(accept);
+#undef IMPLEMENT
+}
+
+GabbleCallContentCodecoffer *
+gabble_call_content_codecoffer_new (const gchar *object_path,
+  GHashTable *codecs)
+{
+  return g_object_new (GABBLE_TYPE_CALL_CONTENT_CODECOFFER,
+    "object-path", object_path,
+    "remote-contact-codec-map", codecs,
+    NULL);
+}
+
+void
+gabble_call_content_codecoffer_offer (GabbleCallContentCodecoffer *offer,
+  GCancellable *cancellable,
+  GAsyncReadyCallback callback,
+  gpointer user_data)
+{
+  GabbleCallContentCodecofferPrivate *priv = offer->priv;
+  DBusGConnection *bus;
+
+  /* FIXME implement cancellable support */
+  if (G_UNLIKELY (priv->result != NULL))
+    goto pending;
+
+  priv->result = g_simple_async_result_new (G_OBJECT (offer),
+    callback, user_data, gabble_call_content_codecoffer_offer_finish);
+
+  /* register object on the bus */
+  bus = tp_get_bus ();
+  DEBUG ("Registering %s", priv->object_path);
+  dbus_g_connection_register_g_object (bus, priv->object_path,
+    G_OBJECT (offer));
+
+  return;
+
+pending:
+  g_simple_async_report_error_in_idle (G_OBJECT (offer), callback, user_data,
+    G_IO_ERROR, G_IO_ERROR_PENDING, "Another offer operation is pending");
+}
+
+GPtrArray *
+gabble_call_content_codecoffer_offer_finish (
+  GabbleCallContentCodecoffer *offer,
+  GAsyncResult *result,
+  GError **error)
+{
+  if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result),
+      error))
+    return FALSE;
+
+  g_return_val_if_fail (g_simple_async_result_is_valid (result,
+    G_OBJECT (offer), gabble_call_content_codecoffer_offer_finish),
+    NULL);
+
+  return g_simple_async_result_get_op_res_gpointer (
+    G_SIMPLE_ASYNC_RESULT (result));
+}
diff --git a/src/call-content-codecoffer.h b/src/call-content-codecoffer.h
new file mode 100644
index 0000000..8ac122b
--- /dev/null
+++ b/src/call-content-codecoffer.h
@@ -0,0 +1,83 @@
+/*
+ * gabble-call-content-codecoffer.h - Header for GabbleCallContentCodecoffer
+ * Copyright (C) 2009 Collabora Ltd.
+ * @author Sjoerd Simons <sjoerd.simons at collabora.co.uk>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef __GABBLE_CALL_CONTENT_CODECOFFER_H__
+#define __GABBLE_CALL_CONTENT_CODECOFFER_H__
+
+#include <glib-object.h>
+#include <gio/gio.h>
+
+G_BEGIN_DECLS
+
+typedef struct _GabbleCallContentCodecoffer GabbleCallContentCodecoffer;
+typedef struct _GabbleCallContentCodecofferPrivate
+  GabbleCallContentCodecofferPrivate;
+typedef struct _GabbleCallContentCodecofferClass
+  GabbleCallContentCodecofferClass;
+
+struct _GabbleCallContentCodecofferClass {
+    GObjectClass parent_class;
+
+    TpDBusPropertiesMixinClass dbus_props_class;
+};
+
+struct _GabbleCallContentCodecoffer {
+    GObject parent;
+
+    GabbleCallContentCodecofferPrivate *priv;
+};
+
+GType gabble_call_content_codecoffer_get_type (void);
+
+/* TYPE MACROS */
+#define GABBLE_TYPE_CALL_CONTENT_CODECOFFER \
+  (gabble_call_content_codecoffer_get_type ())
+#define GABBLE_CALL_CONTENT_CODECOFFER(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj), \
+  GABBLE_TYPE_CALL_CONTENT_CODECOFFER, GabbleCallContentCodecoffer))
+#define GABBLE_CALL_CONTENT_CODECOFFER_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass), \
+  GABBLE_TYPE_CALL_CONTENT_CODECOFFER, GabbleCallContentCodecofferClass))
+#define GABBLE_IS_CALL_CONTENT_CODECOFFER(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj), GABBLE_TYPE_CALL_CONTENT_CODECOFFER))
+#define GABBLE_IS_CALL_CONTENT_CODECOFFER_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass), GABBLE_TYPE_CALL_CONTENT_CODECOFFER))
+#define GABBLE_CALL_CONTENT_CODECOFFER_GET_CLASS(obj) \
+  (G_TYPE_INSTANCE_GET_CLASS ((obj), GABBLE_TYPE_CALL_CONTENT_CODECOFFER, \
+  GabbleCallContentCodecofferClass))
+
+GabbleCallContentCodecoffer *gabble_call_content_codecoffer_new (
+  const gchar *object_path,
+  GHashTable *codecs);
+
+void gabble_call_content_codecoffer_offer (GabbleCallContentCodecoffer *offer,
+  GCancellable *cancellable,
+  GAsyncReadyCallback callback,
+  gpointer user_data);
+
+GPtrArray *gabble_call_content_codecoffer_offer_finish (
+  GabbleCallContentCodecoffer *offer,
+  GAsyncResult *result,
+  GError **error);
+
+
+G_END_DECLS
+
+#endif /* #ifndef __GABBLE_CALL_CONTENT_CODECOFFER_H__*/
diff --git a/src/call-content.c b/src/call-content.c
index 1d7b0a5..89dbc00 100644
--- a/src/call-content.c
+++ b/src/call-content.c
@@ -31,6 +31,7 @@
 #include <extensions/extensions.h>
 
 #include "call-content.h"
+#include "call-content-codecoffer.h"
 #include "call-stream.h"
 #include "jingle-content.h"
 #include "jingle-media-rtp.h"
@@ -43,6 +44,8 @@
 
 static void call_content_iface_init (gpointer, gpointer);
 static void call_content_media_iface_init (gpointer, gpointer);
+static void call_content_remote_codecs_cb (
+  GabbleJingleMediaRtp *media, GList *codecs, gpointer user_data);
 
 static GPtrArray *call_content_codec_list_to_array (GList *codecs);
 static GHashTable *call_content_generate_codec_map (GabbleCallContent *self);
@@ -90,6 +93,9 @@ struct _GabbleCallContentPrivate
   TpHandle target;
   GabbleJingleContent *content;
 
+  GabbleCallContentCodecoffer *offer;
+  gint offers;
+
   GList *streams;
   gboolean dispose_has_run;
 };
@@ -216,6 +222,10 @@ gabble_call_content_constructed (GObject *obj)
       g_free (path);
 
       priv->streams = g_list_prepend (priv->streams, stream);
+
+      gabble_signal_connect_weak (priv->content, "remote-codecs",
+        G_CALLBACK (call_content_remote_codecs_cb),
+        obj);
     }
 
   if (G_OBJECT_CLASS (gabble_call_content_parent_class)->constructed != NULL)
@@ -467,3 +477,68 @@ call_content_generate_codec_map (GabbleCallContent *self)
 
   return map;
 }
+
+static void
+codec_offer_finished_cb (GObject *source,
+    GAsyncResult *result,
+    gpointer user_data)
+{
+  GabbleCallContent *self = GABBLE_CALL_CONTENT (user_data);
+  GabbleCallContentPrivate *priv = self->priv;
+  GError *error = NULL;
+  GPtrArray *local_codecs;
+  GHashTable *codec_map;
+  GArray *empty;
+
+  local_codecs = gabble_call_content_codecoffer_offer_finish (
+    GABBLE_CALL_CONTENT_CODECOFFER (source), result, &error);
+
+  if (error != NULL)
+    goto out;
+
+  codec_map = call_content_generate_codec_map (self);
+  empty = g_array_new (FALSE, FALSE, sizeof (TpHandle));
+
+  gabble_svc_call_content_interface_media_emit_codecs_changed (self,
+    codec_map, empty);
+
+  g_hash_table_unref (codec_map);
+  g_array_free (empty, TRUE);
+
+out:
+  g_object_unref (priv->offer);
+  priv->offer = NULL;
+}
+
+static void
+call_content_remote_codecs_cb (GabbleJingleMediaRtp *media,
+    GList *codecs,
+    gpointer user_data)
+{
+  GabbleCallContent *self = GABBLE_CALL_CONTENT (user_data);
+  GabbleCallContentPrivate *priv = self->priv;
+  GHashTable *map;
+  GPtrArray *arr;
+  gchar *path;
+
+  map = g_hash_table_new_full (g_direct_hash, g_direct_equal,
+    NULL, (GDestroyNotify) g_ptr_array_unref);
+
+  arr = call_content_codec_list_to_array (codecs);
+  g_hash_table_insert (map, GUINT_TO_POINTER (priv->target), arr);
+
+  /* FIXME: Support switching offers */
+  g_assert (priv->offer == NULL);
+  path = g_strdup_printf ("%s/Offer%d",
+    priv->object_path, priv->offers++);
+
+  priv->offer = gabble_call_content_codecoffer_new (path, map);
+  gabble_call_content_codecoffer_offer (priv->offer, NULL,
+    codec_offer_finished_cb, self);
+
+  gabble_svc_call_content_interface_media_emit_new_codec_offer (
+    self, path, map);
+
+  g_hash_table_unref (map);
+  g_free (path);
+}
-- 
1.5.6.5




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