/* GStreamer

 * Copyright (C) <2005> Wim Taymans <wim@fluendo.com>

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 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

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

#ifndef __GST_BASE_RTP_PAYLOAD_H__

#define __GST_BASE_RTP_PAYLOAD_H__

#include <gst/gst.h>

G_BEGIN_DECLS

#define GST_TYPE_BASE_RTP_PAYLOAD \

        (gst_basertppayload_get_type())

#define GST_BASE_RTP_PAYLOAD(obj) \

        (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_RTP_PAYLOAD,GstBaseRTPPayload))

#define GST_BASE_RTP_PAYLOAD_CLASS(klass) \

        (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_RTP_PAYLOAD,GstBaseRTPPayloadClass))

#define GST_BASE_RTP_PAYLOAD_GET_CLASS(obj) \

        (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_BASE_RTP_PAYLOAD, GstBaseRTPPayloadClass))

#define GST_IS_BASE_RTP_PAYLOAD(obj) \

        (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_RTP_PAYLOAD))

#define GST_IS_BASE_RTP_PAYLOAD_CLASS(klass) \

        (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_RTP_PAYLOAD))

typedef struct _GstBaseRTPPayload GstBaseRTPPayload;

typedef struct _GstBaseRTPPayloadPrivate GstBaseRTPPayloadPrivate;

typedef struct _GstBaseRTPPayloadClass GstBaseRTPPayloadClass;

/**

 * GST_BASE_RTP_PAYLOAD_SINKPAD:

 * @payload: a #GstBaseRTPPayload

 *

 * Get access to the sinkpad of @payload.

 */

#define GST_BASE_RTP_PAYLOAD_SINKPAD(payload) (GST_BASE_RTP_PAYLOAD (payload)->sinkpad)

/**

 * GST_BASE_RTP_PAYLOAD_SRCPAD:

 * @payload: a #GstBaseRTPPayload

 *

 * Get access to the srcpad of @payload.

 */

#define GST_BASE_RTP_PAYLOAD_SRCPAD(payload)  (GST_BASE_RTP_PAYLOAD (payload)->srcpad)

/**

 * GST_BASE_RTP_PAYLOAD_PT:

 * @payload: a #GstBaseRTPPayload

 *

 * Get access to the configured payload type of @payload.

 */

#define GST_BASE_RTP_PAYLOAD_PT(payload)  (GST_BASE_RTP_PAYLOAD (payload)->pt)

/**

 * GST_BASE_RTP_PAYLOAD_MTU:

 * @payload: a #GstBaseRTPPayload

 *

 * Get access to the configured MTU of @payload.

 */

#define GST_BASE_RTP_PAYLOAD_MTU(payload) (GST_BASE_RTP_PAYLOAD (payload)->mtu)

struct _GstBaseRTPPayload

{

  GstElement element;

  /*< private >*/

  GstPad  *sinkpad;

  GstPad  *srcpad;

  GRand   *seq_rand;

  GRand   *ssrc_rand;

  GRand   *ts_rand;

  guint32  ts_base;

  guint16  seqnum_base;

  gchar   *media;

  gchar   *encoding_name;

  gboolean dynamic;

  guint32  clock_rate;

  gint32   ts_offset;

  guint32  timestamp;

  gint16   seqnum_offset;

  guint16  seqnum;

  gint64   max_ptime;

  guint    pt;

  guint    ssrc;

  guint    current_ssrc;

  guint    mtu;

  GstSegment segment;

  guint64  min_ptime;

  /*< private >*/

  GstBaseRTPPayloadPrivate *priv;

  gpointer _gst_reserved[GST_PADDING - (sizeof(guint64)/sizeof(gpointer)) - 1];

};

struct _GstBaseRTPPayloadClass

{

  GstElementClass parent_class;

  /* receive caps on the sink pad, configure the payloader. */

  gboolean      (*set_caps)             (GstBaseRTPPayload *payload, GstCaps *caps);

  /* handle a buffer, perform 0 or more gst_basertppayload_push() on

   * the RTP buffers */

  GstFlowReturn (*handle_buffer)        (GstBaseRTPPayload *payload, 

                                         GstBuffer *buffer);

  gboolean      (*handle_event)         (GstPad * pad, GstEvent * event);

  GstCaps *     (*get_caps)             (GstBaseRTPPayload *payload, GstPad * pad);

  /*< private >*/

  gpointer _gst_reserved[GST_PADDING-2];

};

#ifdef __SYMBIAN32__

IMPORT_C

#endif

GType           gst_basertppayload_get_type             (void);

#ifdef __SYMBIAN32__

IMPORT_C

#endif

void            gst_basertppayload_set_options          (GstBaseRTPPayload *payload, 

                                                         gchar *media, gboolean dynamic,

                                                         gchar *encoding_name,

                                                         guint32 clock_rate);

#ifdef __SYMBIAN32__

IMPORT_C

#endif

gboolean        gst_basertppayload_set_outcaps          (GstBaseRTPPayload *payload, 

                                                         gchar *fieldname, ...);

#ifdef __SYMBIAN32__

IMPORT_C

#endif

gboolean        gst_basertppayload_is_filled            (GstBaseRTPPayload *payload,

                                                         guint size, GstClockTime duration);

#ifdef __SYMBIAN32__

IMPORT_C

#endif

GstFlowReturn   gst_basertppayload_push                 (GstBaseRTPPayload *payload, 

                                                         GstBuffer *buffer);

G_END_DECLS

#endif /* __GST_BASE_RTP_PAYLOAD_H__ */