/usr/include/gstreamer-1.0/gst/rtp/gstrtpbuffer.h is in libgstreamer-plugins-base1.0-dev 1.2.4-1~ubuntu2.1.
This file is owned by root:root, with mode 0o644.
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* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, 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
* @state: internal state
* @data: array of data
* @size: array of size
* @map: array of #GstMapInfo
*
* Data structure that points to an RTP packet.
* The size of the structure is made public to allow stack allocations.
*/
struct _GstRTPBuffer
{
GstBuffer *buffer;
guint state;
gpointer data[4];
gsize size[4];
GstMapInfo map[4];
};
#define GST_RTP_BUFFER_INIT { NULL, 0, { NULL, NULL, NULL, NULL}, { 0, 0, 0, 0 }, \
{ GST_MAP_INFO_INIT, GST_MAP_INFO_INIT, GST_MAP_INFO_INIT, GST_MAP_INFO_INIT} }
/* 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_map (GstBuffer *buffer, GstMapFlags flags, GstRTPBuffer *rtp);
void 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);
GBytes* gst_rtp_buffer_get_extension_bytes (GstRTPBuffer *rtp, guint16 *bits);
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);
GBytes* gst_rtp_buffer_get_payload_bytes (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__ */
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