mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-30 12:10:37 +00:00
152 lines
7 KiB
C
152 lines
7 KiB
C
/* GStreamer
|
|
* Copyright (C) <2005> Philippe Khalaf <burger@speedy.org>
|
|
* <2005> Wim Taymans <wim@fluendo.com>
|
|
*
|
|
* gstrtpbuffer.h: various helper functions to manipulate buffers
|
|
* with RTP payload.
|
|
*
|
|
* 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_RTPBUFFER_H__
|
|
#define __GST_RTPBUFFER_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/rtp/gstrtppayloads.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
/**
|
|
* GST_RTP_VERSION:
|
|
*
|
|
* The supported RTP version 2.
|
|
*/
|
|
#define GST_RTP_VERSION 2
|
|
|
|
|
|
typedef struct _GstRTPBuffer GstRTPBuffer;
|
|
|
|
/**
|
|
* GstRTPBuffer:
|
|
* @buffer: pointer to RTP buffer
|
|
*
|
|
* Data structure that points to an RTP packet.
|
|
* The size of the structure is made public to allow stack allocations.
|
|
*/
|
|
struct _GstRTPBuffer
|
|
{
|
|
GstBuffer *buffer;
|
|
GstMapFlags flags;
|
|
guint8 *data;
|
|
gsize size;
|
|
gsize maxsize;
|
|
};
|
|
|
|
/* creating buffers */
|
|
void gst_rtp_buffer_allocate_data (GstBuffer *buffer, guint payload_len,
|
|
guint8 pad_len, guint8 csrc_count);
|
|
|
|
GstBuffer* gst_rtp_buffer_new_take_data (gpointer data, gsize len);
|
|
GstBuffer* gst_rtp_buffer_new_copy_data (gpointer data, gsize len);
|
|
GstBuffer* gst_rtp_buffer_new_allocate (guint payload_len, guint8 pad_len, guint8 csrc_count);
|
|
GstBuffer* gst_rtp_buffer_new_allocate_len (guint packet_len, guint8 pad_len, guint8 csrc_count);
|
|
|
|
guint gst_rtp_buffer_calc_header_len (guint8 csrc_count);
|
|
guint gst_rtp_buffer_calc_packet_len (guint payload_len, guint8 pad_len, guint8 csrc_count);
|
|
guint gst_rtp_buffer_calc_payload_len (guint packet_len, guint8 pad_len, guint8 csrc_count);
|
|
|
|
gboolean gst_rtp_buffer_validate_data (guint8 *data, gsize len);
|
|
gboolean gst_rtp_buffer_validate (GstBuffer *buffer);
|
|
|
|
|
|
gboolean gst_rtp_buffer_map (GstBuffer *buffer, GstMapFlags flags, GstRTPBuffer *rtp);
|
|
gboolean gst_rtp_buffer_unmap (GstRTPBuffer *rtp);
|
|
|
|
void gst_rtp_buffer_set_packet_len (GstRTPBuffer *rtp, guint len);
|
|
guint gst_rtp_buffer_get_packet_len (GstRTPBuffer *rtp);
|
|
|
|
guint gst_rtp_buffer_get_header_len (GstRTPBuffer *rtp);
|
|
|
|
guint8 gst_rtp_buffer_get_version (GstRTPBuffer *rtp);
|
|
void gst_rtp_buffer_set_version (GstRTPBuffer *rtp, guint8 version);
|
|
|
|
gboolean gst_rtp_buffer_get_padding (GstRTPBuffer *rtp);
|
|
void gst_rtp_buffer_set_padding (GstRTPBuffer *rtp, gboolean padding);
|
|
void gst_rtp_buffer_pad_to (GstRTPBuffer *rtp, guint len);
|
|
|
|
gboolean gst_rtp_buffer_get_extension (GstRTPBuffer *rtp);
|
|
void gst_rtp_buffer_set_extension (GstRTPBuffer *rtp, gboolean extension);
|
|
gboolean gst_rtp_buffer_get_extension_data (GstRTPBuffer *rtp, guint16 *bits,
|
|
gpointer *data, guint *wordlen);
|
|
gboolean gst_rtp_buffer_set_extension_data (GstRTPBuffer *rtp, guint16 bits, guint16 length);
|
|
|
|
guint32 gst_rtp_buffer_get_ssrc (GstRTPBuffer *rtp);
|
|
void gst_rtp_buffer_set_ssrc (GstRTPBuffer *rtp, guint32 ssrc);
|
|
|
|
guint8 gst_rtp_buffer_get_csrc_count (GstRTPBuffer *rtp);
|
|
guint32 gst_rtp_buffer_get_csrc (GstRTPBuffer *rtp, guint8 idx);
|
|
void gst_rtp_buffer_set_csrc (GstRTPBuffer *rtp, guint8 idx, guint32 csrc);
|
|
|
|
gboolean gst_rtp_buffer_get_marker (GstRTPBuffer *rtp);
|
|
void gst_rtp_buffer_set_marker (GstRTPBuffer *rtp, gboolean marker);
|
|
|
|
guint8 gst_rtp_buffer_get_payload_type (GstRTPBuffer *rtp);
|
|
void gst_rtp_buffer_set_payload_type (GstRTPBuffer *rtp, guint8 payload_type);
|
|
|
|
guint16 gst_rtp_buffer_get_seq (GstRTPBuffer *rtp);
|
|
void gst_rtp_buffer_set_seq (GstRTPBuffer *rtp, guint16 seq);
|
|
|
|
guint32 gst_rtp_buffer_get_timestamp (GstRTPBuffer *rtp);
|
|
void gst_rtp_buffer_set_timestamp (GstRTPBuffer *rtp, guint32 timestamp);
|
|
|
|
GstBuffer* gst_rtp_buffer_get_payload_buffer (GstRTPBuffer *rtp);
|
|
GstBuffer* gst_rtp_buffer_get_payload_subbuffer (GstRTPBuffer *rtp, guint offset, guint len);
|
|
|
|
guint gst_rtp_buffer_get_payload_len (GstRTPBuffer *rtp);
|
|
gpointer gst_rtp_buffer_get_payload (GstRTPBuffer *rtp);
|
|
|
|
/* some helpers */
|
|
guint32 gst_rtp_buffer_default_clock_rate (guint8 payload_type);
|
|
gint gst_rtp_buffer_compare_seqnum (guint16 seqnum1, guint16 seqnum2);
|
|
guint64 gst_rtp_buffer_ext_timestamp (guint64 *exttimestamp, guint32 timestamp);
|
|
|
|
gboolean gst_rtp_buffer_get_extension_onebyte_header (GstRTPBuffer *rtp,
|
|
guint8 id,
|
|
guint nth,
|
|
gpointer * data,
|
|
guint * size);
|
|
gboolean gst_rtp_buffer_get_extension_twobytes_header (GstRTPBuffer *rtp,
|
|
guint8 * appbits,
|
|
guint8 id,
|
|
guint nth,
|
|
gpointer * data,
|
|
guint * size);
|
|
|
|
gboolean gst_rtp_buffer_add_extension_onebyte_header (GstRTPBuffer *rtp,
|
|
guint8 id,
|
|
gpointer data,
|
|
guint size);
|
|
gboolean gst_rtp_buffer_add_extension_twobytes_header (GstRTPBuffer *rtp,
|
|
guint8 appbits,
|
|
guint8 id,
|
|
gpointer data,
|
|
guint size);
|
|
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_RTPBUFFER_H__ */
|
|
|