/usr/include/bitstream/ietf/rtp3551.h is in libbitstream-dev 1.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* rtp3551.h: RTP Profile for Audio and Video
*****************************************************************************
* Copyright (C) 2013 VideoLAN
*
* Authors: Benjamin Cohen <bencoh@notk.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject
* to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*****************************************************************************/
/*
* Normative references:
* - IETF RFC 3551 RTP Profile for Audio and Video Conferences
* with Minimal Control (July 2003)
*/
#ifndef __BITSTREAM_IETF_RTP3551_H__
#define __BITSTREAM_IETF_RTP3551_H__
#include <stdint.h> /* uint8_t, uint16_t, etc... */
#include "rtp.h"
#ifdef __cplusplus
extern "C"
{
#endif
#define RTP_TYPE_PCMU 0
/* Reserved 1 */
/* Reserved 2 */
#define RTP_TYPE_GSM 3
#define RTP_TYPE_G723 4
#define RTP_TYPE_DVI4_8000 5
#define RTP_TYPE_DVI4_16000 6
#define RTP_TYPE_LPC 7
#define RTP_TYPE_PCMA 8
#define RTP_TYPE_G722 9
#define RTP_TYPE_L16 10
#define RTP_TYPE_L16MONO 11
#define RTP_TYPE_QCELP 12
#define RTP_TYPE_CN 13
#define RTP_TYPE_MPA 14
#define RTP_TYPE_G728 15
#define RTP_TYPE_DVI4_11025 16
#define RTP_TYPE_DVI4_22050 17
#define RTP_TYPE_G729 18
/* Reserved 19 */
/* Unassigned 20 */
/* Unassigned 21 */
/* Unassigned 22 */
/* Unassigned 23 */
/* Unassigned 24 */
#define RTP_TYPE_CELB 25
#define RTP_TYPE_JPEG 26
/* Unassigned 27 */
#define RTP_TYPE_NV 28
/* Unassigned 29 */
/* Unassigned 30 */
#define RTP_TYPE_H261 31
#define RTP_TYPE_MPV 32
#define RTP_TYPE_MP2T 33
#define RTP_TYPE_H263 34
/* Unassigned 35-71 */
/* Reserved 72-76 */
/* Unassigned 77-95 */
/* Dynamic 96-127 */
static inline uint32_t rtp_3551_get_clock_rate(uint8_t i_type)
{
switch (i_type) {
case RTP_TYPE_PCMU:
case RTP_TYPE_GSM:
case RTP_TYPE_G723:
case RTP_TYPE_DVI4_8000:
case RTP_TYPE_LPC:
case RTP_TYPE_PCMA:
case RTP_TYPE_G722:
case RTP_TYPE_QCELP:
case RTP_TYPE_CN:
case RTP_TYPE_G728:
case RTP_TYPE_G729:
return 8000;
case RTP_TYPE_DVI4_16000:
return 16000;
case RTP_TYPE_L16:
case RTP_TYPE_L16MONO:
return 44100;
case RTP_TYPE_DVI4_11025:
return 11025;
case RTP_TYPE_DVI4_22050:
return 22050;
case RTP_TYPE_MPA:
case RTP_TYPE_CELB:
case RTP_TYPE_JPEG:
case RTP_TYPE_NV:
case RTP_TYPE_H261:
case RTP_TYPE_MPV:
case RTP_TYPE_MP2T:
case RTP_TYPE_H263:
return 90000;
}
return 0; /* invalid clock rate for unknown type */
}
#ifdef __cplusplus
}
#endif
#endif
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