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92 lines
2.7 KiB
92 lines
2.7 KiB
/*****************************************************************************
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* rtp6184.h: RTP Payload Format for H.264 Video
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*****************************************************************************
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* Copyright (c) 2015 Arnaud de Turckheim <quarium@gmail.com>
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* Copyright (C) 2017 VideoLAN
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*
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* Authors: Arnaud de Turckheim
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* Christophe Massiot
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject
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* to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*****************************************************************************/
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/*
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* Normative references:
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* - IETF RFC 6184 RTP Payload Format for H.264 Video (May 2011)
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*/
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#ifndef __BITSTREAM_IETF_RTP6184_H__
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# define __BITSTREAM_IETF_RTP6184_H__
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#include <stdint.h>
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#define RTP_6184_CLOCKRATE 90000
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#define RTP_6184_STAP_A 24
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#define RTP_6184_STAP_B 25
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#define RTP_6184_MTAP16 26
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#define RTP_6184_MTAP24 27
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#define RTP_6184_FU_A 28
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#define RTP_6184_FU_B 29
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#define RTP_6184_STAP_HEADER_SIZE 2
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static inline void rtp_6184_stap_set_size(uint8_t *header, uint16_t size)
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{
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header[0] = size >> 8;
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header[1] = size & 0xff;
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}
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static inline uint16_t rtp_6184_stap_get_size(const uint8_t *header)
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{
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return (header[0] << 8) | header[1];
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}
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static inline void rtp_6184_fu_set_start(uint8_t *header)
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{
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header[0] |= 0x80;
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}
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static inline bool rtp_6184_fu_check_start(uint8_t header)
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{
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return header & 0x80;
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}
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static inline void rtp_6184_fu_set_end(uint8_t *header)
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{
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header[0] |= 0x40;
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}
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static inline bool rtp_6184_fu_check_end(uint8_t header)
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{
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return header & 0x40;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* !__BITSTREAM_IETF_RTP6184_H__ */
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