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132 lines
4.0 KiB
132 lines
4.0 KiB
/*****************************************************************************
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* rtp3551.h: RTP Profile for Audio and Video
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*****************************************************************************
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* Copyright (C) 2013 VideoLAN
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*
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* Authors: Benjamin Cohen <bencoh@notk.org>
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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 3551 RTP Profile for Audio and Video Conferences
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* with Minimal Control (July 2003)
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*/
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#ifndef __BITSTREAM_IETF_RTP3551_H__
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#define __BITSTREAM_IETF_RTP3551_H__
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#include <stdint.h> /* uint8_t, uint16_t, etc... */
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#include "rtp.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_TYPE_PCMU 0
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/* Reserved 1 */
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/* Reserved 2 */
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#define RTP_TYPE_GSM 3
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#define RTP_TYPE_G723 4
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#define RTP_TYPE_DVI4_8000 5
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#define RTP_TYPE_DVI4_16000 6
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#define RTP_TYPE_LPC 7
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#define RTP_TYPE_PCMA 8
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#define RTP_TYPE_G722 9
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#define RTP_TYPE_L16 10
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#define RTP_TYPE_L16MONO 11
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#define RTP_TYPE_QCELP 12
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#define RTP_TYPE_CN 13
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#define RTP_TYPE_MPA 14
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#define RTP_TYPE_G728 15
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#define RTP_TYPE_DVI4_11025 16
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#define RTP_TYPE_DVI4_22050 17
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#define RTP_TYPE_G729 18
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/* Reserved 19 */
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/* Unassigned 20 */
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/* Unassigned 21 */
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/* Unassigned 22 */
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/* Unassigned 23 */
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/* Unassigned 24 */
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#define RTP_TYPE_CELB 25
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#define RTP_TYPE_JPEG 26
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/* Unassigned 27 */
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#define RTP_TYPE_NV 28
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/* Unassigned 29 */
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/* Unassigned 30 */
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#define RTP_TYPE_H261 31
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#define RTP_TYPE_MPV 32
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#define RTP_TYPE_MP2T 33
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#define RTP_TYPE_H263 34
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/* Unassigned 35-71 */
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/* Reserved 72-76 */
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/* Unassigned 77-95 */
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#define RTP_TYPE_DYNAMIC_FIRST 96
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#define RTP_TYPE_DYNAMIC_LAST 127
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static inline uint32_t rtp_3551_get_clock_rate(uint8_t i_type)
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{
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switch (i_type) {
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case RTP_TYPE_PCMU:
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case RTP_TYPE_GSM:
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case RTP_TYPE_G723:
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case RTP_TYPE_DVI4_8000:
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case RTP_TYPE_LPC:
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case RTP_TYPE_PCMA:
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case RTP_TYPE_G722:
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case RTP_TYPE_QCELP:
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case RTP_TYPE_CN:
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case RTP_TYPE_G728:
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case RTP_TYPE_G729:
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return 8000;
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case RTP_TYPE_DVI4_16000:
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return 16000;
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case RTP_TYPE_L16:
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case RTP_TYPE_L16MONO:
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return 44100;
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case RTP_TYPE_DVI4_11025:
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return 11025;
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case RTP_TYPE_DVI4_22050:
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return 22050;
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case RTP_TYPE_MPA:
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case RTP_TYPE_CELB:
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case RTP_TYPE_JPEG:
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case RTP_TYPE_NV:
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case RTP_TYPE_H261:
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case RTP_TYPE_MPV:
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case RTP_TYPE_MP2T:
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case RTP_TYPE_H263:
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return 90000;
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}
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return 0; /* invalid clock rate for unknown type */
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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