/usr/include/bitstream/ietf/rtp3640.h is in libbitstream-dev 1.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* rtp3640.h: RTP Payload Format for Transport of MPEG-4 Elementary Streams
*****************************************************************************
* Copyright (C) 2017 VideoLAN
*
* Authors: Christophe Massiot
*
* 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 3640 RTP Payload Format for Transport of MPEG-4 ES
*/
#ifndef __BITSTREAM_IETF_RTP3640_H__
# define __BITSTREAM_IETF_RTP3640_H__
#include <stdint.h>
#ifdef __cplusplus
extern "C"
{
#endif
#define RTP3640_AU_HEADERS_LENGTH_SIZE 2
#define RTP3640_AU_HEADER_AAC_HBR_SIZE 2
static inline void rtp3640_set_au_headers_length(uint8_t *header, uint16_t size)
{
header[0] = size >> 8;
header[1] = size & 0xff;
}
static inline uint16_t rtp3640_get_au_headers_length(const uint8_t *header)
{
return (header[0] << 8) | header[1];
}
static inline void rtp3640_set_aac_hbr_au_size(uint8_t *header, uint16_t size)
{
header[0] = (size >> 5) & 0xff;
header[1] &= ~0xf8;
header[1] |= (size << 3) & 0xf8;
}
static inline uint16_t rtp3640_get_aac_hbr_au_size(const uint8_t *header)
{
return (header[0] << 5) | (header[1] >> 3);
}
static inline void rtp3640_set_aac_hbr_au_index(uint8_t *header, uint8_t index)
{
header[1] &= ~0x7;
header[1] |= index & 0x7;
}
static inline uint8_t rtp3640_get_aac_hbr_au_index(const uint8_t *header)
{
return (header[1] & 0x7);
}
#ifdef __cplusplus
}
#endif
#endif /* !__BITSTREAM_IETF_RTP3640_H__ */
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