third_party/sipcc/ccsdp_rtcp_fb.h

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #ifndef __CCSDP_RTCP_FB_H__
   6 #define __CCSDP_RTCP_FB_H__
   7
   8 /* a=rtcp-fb enumerations */
   9
  10 typedef enum {
  11     SDP_RTCP_FB_ANY = -1,
  12     SDP_RTCP_FB_ACK = 0,
  13     SDP_RTCP_FB_CCM,
  14     SDP_RTCP_FB_NACK,
  15     SDP_RTCP_FB_TRR_INT,
  16     // from https://www.ietf.org/archive/id/draft-alvestrand-rmcat-remb-03.txt
  17     SDP_RTCP_FB_REMB,
  18     // from https://tools.ietf.org/html/draft-holmer-rmcat-transport-wide-cc-extensions-01
  19     SDP_RTCP_FB_TRANSPORT_CC,
  20     SDP_MAX_RTCP_FB,
  21     SDP_RTCP_FB_UNKNOWN
  22 } sdp_rtcp_fb_type_e;
  23
  24 typedef enum {
  25     SDP_RTCP_FB_NACK_NOT_FOUND = -1,
  26     SDP_RTCP_FB_NACK_BASIC = 0,
  27     SDP_RTCP_FB_NACK_SLI,
  28     SDP_RTCP_FB_NACK_PLI,
  29     SDP_RTCP_FB_NACK_RPSI,
  30     SDP_RTCP_FB_NACK_APP,
  31     SDP_RTCP_FB_NACK_RAI,
  32     SDP_RTCP_FB_NACK_TLLEI,
  33     SDP_RTCP_FB_NACK_PSLEI,
  34     SDP_RTCP_FB_NACK_ECN,
  35     SDP_MAX_RTCP_FB_NACK,
  36     SDP_RTCP_FB_NACK_UNKNOWN
  37 } sdp_rtcp_fb_nack_type_e;
  38
  39 typedef enum {
  40     SDP_RTCP_FB_ACK_NOT_FOUND = -1,
  41     SDP_RTCP_FB_ACK_RPSI = 0,
  42     SDP_RTCP_FB_ACK_APP,
  43     SDP_MAX_RTCP_FB_ACK,
  44     SDP_RTCP_FB_ACK_UNKNOWN
  45 } sdp_rtcp_fb_ack_type_e;
  46
  47 // Codec Control Messages - defined by RFC 5104
  48 typedef enum {
  49     SDP_RTCP_FB_CCM_NOT_FOUND = -1,
  50     SDP_RTCP_FB_CCM_FIR = 0,
  51     SDP_RTCP_FB_CCM_TMMBR,
  52     SDP_RTCP_FB_CCM_TSTR,
  53     SDP_RTCP_FB_CCM_VBCM,
  54     SDP_MAX_RTCP_FB_CCM,
  55     SDP_RTCP_FB_CCM_UNKNOWN
  56 } sdp_rtcp_fb_ccm_type_e;
  57
  58 #ifdef __cplusplus
  59 static_assert(SDP_MAX_RTCP_FB_NACK +
  60               SDP_MAX_RTCP_FB_ACK +
  61               SDP_MAX_RTCP_FB_CCM < 32,
  62               "rtcp-fb Bitmap is larger than 32 bits");
  63 #endif
  64
  65 #endif