/*

 * gabble-media-stream.h - Header for GabbleMediaStream

 * Copyright (C) 2006 Collabora Ltd.

 * Portions 

 *

 * 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_MEDIA_STREAM_H__

#define __GABBLE_MEDIA_STREAM_H__

#include <glib-object.h>

#include "loudmouth/loudmouth.h"

#include "gabble-types.h"

#include "telepathy-constants.h"

G_BEGIN_DECLS

typedef enum

{

  STREAM_SIG_STATE_NEW,

  STREAM_SIG_STATE_SENT,

  STREAM_SIG_STATE_ACKNOWLEDGED,

  STREAM_SIG_STATE_REMOVING

} StreamSignallingState;

typedef guint32 CombinedStreamDirection;

typedef struct _GabbleMediaStream GabbleMediaStream;

typedef struct _GabbleMediaStreamClass GabbleMediaStreamClass;

struct _GabbleMediaStreamClass {

    GObjectClass parent_class;

};

struct _GabbleMediaStream {

    GObject parent;

    gchar *name;

    JingleInitiator initiator;

    TpMediaStreamState connection_state;

    StreamSignallingState signalling_state;

    CombinedStreamDirection combined_direction;

    gboolean got_local_codecs;

    gboolean playing;

    gpointer priv;

};

IMPORT_C GType gabble_media_stream_get_type(void);

/* TYPE MACROS */

#define GABBLE_TYPE_MEDIA_STREAM \

  (gabble_media_stream_get_type())

#define GABBLE_MEDIA_STREAM(obj) \

  (G_TYPE_CHECK_INSTANCE_CAST((obj), GABBLE_TYPE_MEDIA_STREAM, GabbleMediaStream))

#define GABBLE_MEDIA_STREAM_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_CAST((klass), GABBLE_TYPE_MEDIA_STREAM, GabbleMediaStreamClass))

#define GABBLE_IS_MEDIA_STREAM(obj) \

  (G_TYPE_CHECK_INSTANCE_TYPE((obj), GABBLE_TYPE_MEDIA_STREAM))

#define GABBLE_IS_MEDIA_STREAM_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_TYPE((klass), GABBLE_TYPE_MEDIA_STREAM))

#define GABBLE_MEDIA_STREAM_GET_CLASS(obj) \

  (G_TYPE_INSTANCE_GET_CLASS ((obj), GABBLE_TYPE_MEDIA_STREAM, GabbleMediaStreamClass))

#define TP_TYPE_TRANSPORT_STRUCT (dbus_g_type_get_struct ("GValueArray", \

      G_TYPE_UINT, \

      G_TYPE_STRING, \

      G_TYPE_UINT, \

      G_TYPE_UINT, \

      G_TYPE_STRING, \

      G_TYPE_STRING, \

      G_TYPE_DOUBLE, \

      G_TYPE_UINT, \

      G_TYPE_STRING, \

      G_TYPE_STRING, \

      G_TYPE_INVALID))

#define TP_TYPE_TRANSPORT_LIST (dbus_g_type_get_collection ("GPtrArray", \

      TP_TYPE_TRANSPORT_STRUCT))

#define TP_TYPE_CANDIDATE_STRUCT (dbus_g_type_get_struct ("GValueArray", \

      G_TYPE_STRING, \

      TP_TYPE_TRANSPORT_LIST, \

      G_TYPE_INVALID))

#define TP_TYPE_CANDIDATE_LIST (dbus_g_type_get_collection ("GPtrArray", \

      TP_TYPE_CANDIDATE_STRUCT))

#define TP_TYPE_CODEC_STRUCT (dbus_g_type_get_struct ("GValueArray", \

      G_TYPE_UINT, \

      G_TYPE_STRING, \

      G_TYPE_UINT, \

      G_TYPE_UINT, \

      G_TYPE_UINT, \

      DBUS_TYPE_G_STRING_STRING_HASHTABLE, \

      G_TYPE_INVALID))

#define TP_TYPE_CODEC_LIST (dbus_g_type_get_collection ("GPtrArray", \

      TP_TYPE_CODEC_STRUCT))

#define COMBINED_DIRECTION_GET_DIRECTION(d) \

    ((TpMediaStreamDirection) ((d) & TP_MEDIA_STREAM_DIRECTION_BIDIRECTIONAL))

#define COMBINED_DIRECTION_GET_PENDING_SEND(d) \

    ((TpMediaStreamPendingSend) ((d) >> 2))

#define MAKE_COMBINED_DIRECTION(d, p) \

    ((CombinedStreamDirection) ((d) | ((p) << 2)))

gboolean

gabble_media_stream_codec_choice (GabbleMediaStream *self,

                                  guint codec_id,

                                  GError **error);

gboolean

gabble_media_stream_error (GabbleMediaStream *self,

                           guint errno,

                           const gchar *message,

                           GError **error);

gboolean

gabble_media_stream_native_candidates_prepared (GabbleMediaStream *self,

                                                GError **error);

gboolean

gabble_media_stream_new_active_candidate_pair (GabbleMediaStream *self,

                                               const gchar *native_candidate_id,

                                               const gchar *remote_candidate_id,

                                               GError **error);

gboolean

gabble_media_stream_new_native_candidate (GabbleMediaStream *self,

                                          const gchar *candidate_id,

                                          const GPtrArray *transports,

                                          GError **error);

gboolean

gabble_media_stream_ready (GabbleMediaStream *self,

                           const GPtrArray *codecs,

                           GError **error);

gboolean

gabble_media_stream_set_local_codecs (GabbleMediaStream *self,

                                      const GPtrArray *codecs,

                                      GError **error);

gboolean

gabble_media_stream_stream_state (GabbleMediaStream *self,

                                  guint state,

                                  GError **error);

gboolean

gabble_media_stream_supported_codecs (GabbleMediaStream *self,

                                      const GPtrArray *codecs,

                                      GError **error);

void _gabble_media_stream_close (GabbleMediaStream *close);

gboolean _gabble_media_stream_post_remote_codecs (GabbleMediaStream *stream, LmMessage *message, LmMessageNode *desc_node, GError **error);

gboolean _gabble_media_stream_post_remote_candidates (GabbleMediaStream *stream, LmMessage *message, LmMessageNode *transport_node, GError **error);

LmMessageNode *_gabble_media_stream_add_content_node (GabbleMediaStream *stream, LmMessageNode *session_node);

void _gabble_media_stream_content_node_add_description (GabbleMediaStream *stream, LmMessageNode *content_node);

LmMessageNode *_gabble_media_stream_content_node_add_transport (GabbleMediaStream *stream, LmMessageNode *content_node);

void _gabble_media_stream_update_sending (GabbleMediaStream *stream, gboolean start_sending);

G_END_DECLS

#endif /* #ifndef __GABBLE_MEDIA_STREAM_H__*/