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ZLMediaKit
Commit 8aa3ff42 by xiongziliang
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完善sdp相关定义

parent 762cf227
正在显示 包含 220 行增加 和 63 行删除
src/Extension/Frame.h
......@@ -38,7 +38,8 @@ typedef enum {
TrackVideo = 0,
TrackAudio,
TrackTitle,
TrackMax = 3
TrackData,
TrackMax = 4
} TrackType;
/**
......
webrtc/Sdp.h
......@@ -5,58 +5,112 @@
#ifndef ZLMEDIAKIT_SDP_H
#define ZLMEDIAKIT_SDP_H
#include <list>
#include <string>
#include <vector>
#include "Extension/Frame.h"
using namespace std;
using namespace mediakit;
enum class RtpDirection {
invalid = -1,
//只发送
sendonly,
//只接收
revonly,
//同时发送接收
sendrecv,
//禁止发送数据
inactive
};
enum class DtlsRole {
invalid = -1,
//客户端
active,
//服务端
passive,
//既可作做客户端也可以做服务端
actpass,
};
enum class SdpType {
invalid = -1,
offer,
answer
};
//https://datatracker.ietf.org/doc/rfc4566/?include_text=1
//
//v=0
//o=- 7268199939077294076 2 IN IP4 127.0.0.1
//o=- 2584450093346841581 2 IN IP4 127.0.0.1
//s=-
//t=0 0
//a=group:BUNDLE video
//a=msid-semantic: WMS
//m=video 9 RTP/SAVPF 96
//a=group:BUNDLE audio video data
//a=msid-semantic: WMS 616cfbb1-33a3-4d8c-8275-a199d6005549
//m=audio 9 UDP/TLS/RTP/SAVPF 111 103 104 9 0 8 106 105 13 110 112 113 126
//c=IN IP4 0.0.0.0
//a=rtcp:9 IN IP4 0.0.0.0
//a=ice-ufrag:y94W
//a=ice-pwd:fuz1hZCAarezk35fruVGfdyP
//a=ice-options:trickle
//a=fingerprint:sha-256 FF:8C:29:B8:B3:2B:45:F5:21:D2:47:D5:EE:B7:F8:BB:F1:DC:95:47:7B:20:B4:59:75:0F:16:93:D0:AC:D2:73
//a=setup:active
//a=ice-ufrag:sXJ3
//a=ice-pwd:yEclOTrLg1gEubBFefOqtmyV
//a=fingerprint:sha-256 22:14:B5:AF:66:12:C7:C7:8D:EF:4B:DE:40:25:ED:5D:8F:17:54:DD:88:33:C0:13:2E:FD:1A:FA:7E:7A:1B:79
//a=setup:actpass
//a=mid:audio
//a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
//a=sendrecv
//a=rtcp-mux
//a=rtpmap:111 opus/48000/2
//a=rtcp-fb:111 transport-cc
//a=fmtp:111 minptime=10;useinbandfec=1
//a=rtpmap:103 ISAC/16000
//a=rtpmap:104 ISAC/32000
//a=rtpmap:9 G722/8000
//a=rtpmap:0 PCMU/8000
//a=rtpmap:8 PCMA/8000
//a=rtpmap:106 CN/32000
//a=rtpmap:105 CN/16000
//a=rtpmap:13 CN/8000
//a=rtpmap:110 telephone-event/48000
//a=rtpmap:112 telephone-event/32000
//a=rtpmap:113 telephone-event/16000
//a=rtpmap:126 telephone-event/8000
//a=ssrc:120276603 cname:iSkJ2vn5cYYubTve
//a=ssrc:120276603 msid:616cfbb1-33a3-4d8c-8275-a199d6005549 1da3d329-7399-4fe9-b20f-69606bebd363
//a=ssrc:120276603 mslabel:616cfbb1-33a3-4d8c-8275-a199d6005549
//a=ssrc:120276603 label:1da3d329-7399-4fe9-b20f-69606bebd363
//m=video 9 UDP/TLS/RTP/SAVPF 96 98 100 102 127 97 99 101 125
//c=IN IP4 0.0.0.0
//a=rtcp:9 IN IP4 0.0.0.0
//a=ice-ufrag:sXJ3
//a=ice-pwd:yEclOTrLg1gEubBFefOqtmyV
//a=fingerprint:sha-256 22:14:B5:AF:66:12:C7:C7:8D:EF:4B:DE:40:25:ED:5D:8F:17:54:DD:88:33:C0:13:2E:FD:1A:FA:7E:7A:1B:79
//a=setup:actpass
//a=mid:video
//a=recvonly
//a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
//a=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
//a=extmap:4 urn:3gpp:video-orientation
//a=extmap:5 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
//a=extmap:6 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay
//a=sendrecv
//a=rtcp-mux
//a=rtpmap:96 H264/90000
//a=fmtp:96 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42e01f
//a=rtcp-rsize
//a=rtpmap:96 VP8/90000
//a=rtcp-fb:96 ccm fir
//a=rtcp-fb:96 nack
//a=rtcp-fb:96 nack pli
//a=rtcp-fb:96 goog-remb
//a=rtcp-fb:96 transport-cc
//a=rtpmap:98 VP9/90000
//a=rtcp-fb:98 ccm fir
//a=rtcp-fb:98 nack
//a=rtcp-fb:98 nack pli
//a=rtcp-fb:98 goog-remb
//a=rtcp-fb:98 transport-cc
//a=rtpmap:100 H264/90000
//a=rtcp-fb:100 ccm fir
//a=rtcp-fb:100 nack
//a=rtcp-fb:100 nack pli
//a=rtcp-fb:100 goog-remb
//a=rtcp-fb:100 transport-cc
//a=fmtp:100 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
//a=rtpmap:102 red/90000
//a=rtpmap:127 ulpfec/90000
//a=rtpmap:97 rtx/90000
//a=fmtp:97 apt=96
//a=rtpmap:99 rtx/90000
//a=fmtp:99 apt=98
//a=rtpmap:101 rtx/90000
//a=fmtp:101 apt=100
//a=rtpmap:125 rtx/90000
//a=fmtp:125 apt=102
//a=ssrc-group:FID 2580761338 611523443
//a=ssrc:2580761338 cname:iSkJ2vn5cYYubTve
//a=ssrc:2580761338 msid:616cfbb1-33a3-4d8c-8275-a199d6005549 bf270496-a23e-47b5-b901-ef23096cd961
//a=ssrc:2580761338 mslabel:616cfbb1-33a3-4d8c-8275-a199d6005549
//a=ssrc:2580761338 label:bf270496-a23e-47b5-b901-ef23096cd961
//a=ssrc:611523443 cname:iSkJ2vn5cYYubTve
//a=ssrc:611523443 msid:616cfbb1-33a3-4d8c-8275-a199d6005549 bf270496-a23e-47b5-b901-ef23096cd961
//a=ssrc:611523443 mslabel:616cfbb1-33a3-4d8c-8275-a199d6005549
//a=ssrc:611523443 label:bf270496-a23e-47b5-b901-ef23096cd961
//m=application 9 DTLS/SCTP 5000
//c=IN IP4 0.0.0.0
//a=ice-ufrag:sXJ3
//a=ice-pwd:yEclOTrLg1gEubBFefOqtmyV
//a=fingerprint:sha-256 22:14:B5:AF:66:12:C7:C7:8D:EF:4B:DE:40:25:ED:5D:8F:17:54:DD:88:33:C0:13:2E:FD:1A:FA:7E:7A:1B:79
//a=setup:actpass
//a=mid:data
//a=sctpmap:5000 webrtc-datachannel 1024
//Session description
// v= (protocol version)
......@@ -88,33 +142,57 @@ enum class SdpType {
// k=* (encryption key)
// a=* (zero or more media attribute lines)
enum class RtpDirection {
invalid = -1,
//只发送
sendonly,
//只接收
revonly,
//同时发送接收
sendrecv,
//禁止发送数据
inactive
};
enum class DtlsRole {
invalid = -1,
//客户端
active,
//服务端
passive,
//既可作做客户端也可以做服务端
actpass,
};
enum class SdpType {
invalid = -1,
offer,
answer
};
class SdpItem {
public:
SdpItem() = default;
virtual ~SdpItem() = default;
virtual void parse(const string &str) = 0;
virtual string toString() const = 0;
virtual const char* getKey() = 0;
};
class SdpTime : public SdpItem{
public:
float start;
float end;
void parse(const string &str) override;
string toString() const override;
};
class SdpAttr : public SdpItem{
public:
string name;
string value;
//5.9. Timing ("t=")
// t=<start-time> <stop-time>
uint64_t start;
uint64_t stop;
void parse(const string &str) override;
string toString() const override;
const char* getKey() override { return "t";}
};
class SdpOrigin : public SdpItem{
public:
// https://datatracker.ietf.org/doc/rfc4566/?include_text=1 5.2. Origin ("o=")
// 5.2. Origin ("o=")
// o=jdoe 2890844526 2890842807 IN IP4 10.47.16.5
// o=<username> <sess-id> <sess-version> <nettype> <addrtype> <unicast-address>
string username;
......@@ -125,11 +203,12 @@ public:
string address;
void parse(const string &str) override;
string toString() const override;
const char* getKey() override { return "o";}
};
class SdpConnection : public SdpItem {
public:
// https://datatracker.ietf.org/doc/rfc4566/?include_text=1 5.7. Connection Data ("c=")
// 5.7. Connection Data ("c=")
// c=IN IP4 224.2.17.12/127
// c=<nettype> <addrtype> <connection-address>
string nettype;
......@@ -137,12 +216,75 @@ public:
string address;
void parse(const string &str) override;
string toString() const override;
const char* getKey() override { return "c";}
};
class SdpBandwidth : public SdpItem {
public:
//5.8. Bandwidth ("b=")
//b=<bwtype>:<bandwidth>
//AS、CT
string bwtype;
int bandwidth;
void parse(const string &str) override;
string toString() const override;
const char* getKey() override { return "b";}
};
class SdpMedia : public SdpItem {
public:
// 5.14. Media Descriptions ("m=")
// m=<media> <port> <proto> <fmt> ...
TrackType type;
uint16_t port;
vector<string> proto;
vector<uint8_t> fmt;
void parse(const string &str) override;
string toString() const override;
const char* getKey() override { return "m";}
};
class SdpAttr : public SdpItem{
public:
//5.13. Attributes ("a=")
//a=<attribute>
//a=<attribute>:<value>
string name;
string value;
void parse(const string &str) override;
string toString() const override;
const char* getKey() override { return "a";}
};
class SdpAttrGroup : public SdpItem{
public:
//a=group:BUNDLE line with all the 'mid' identifiers part of the
// BUNDLE group is included at the session-level.
//a=group:LS session level attribute MUST be included wth the 'mid'
// identifiers that are part of the same lip sync group.
string type;
vector<string> mid;
void parse(const string &str) override;
string toString() const override;
const char* getKey() override { return "group";}
};
class RtcMedia {
public:
//m=<media> <port> <proto> <fmt> ...
SdpMedia media;
//c=<nettype> <addrtype> <connection-address>
SdpConnection connection;
//a=<attribute>:<value>
vector<SdpAttr> attributes;
bool haveAttr(const char *attr) const;
string getAttrValue(const char *attr) const;
};
class RtcSdp {
public:
/////Session description（会话级别描述）////
......@@ -152,19 +294,33 @@ public:
SdpOrigin origin;
//s= (session name)
string session_name;
//t= (time the session is active)
SdpTime time;
//// 非必须 ////
//i=* (session information)
string session_information;
string information;
//u=* (URI of description)
string url;
//e=* (email address)
string email;
//p=* (phone number)
string phone;
//c=* (connection information -- not required if included in all media)
SdpConnection connection;
//// Time description ////
//t= (time the session is active)
SdpTime time;
//b=* (zero or more bandwidth information lines)
SdpBandwidth bandwidth;
//z=* (time zone adjustments)
//z=<adjustment time> <offset> <adjustment time> <offset> ....
string time_zone;
//k=* (encryption key)
//k=<method>, k=<method>:<encryption key>
string crypt_key;
//r=* (zero or more repeat times)
int repeat;
//r=<repeat interval> <active duration> <offsets from start-time>
string repeat;
//a=* (zero or more media attribute lines)
list<SdpAttr> attributes;
vector<SdpAttr> attributes;
};
......
webrtc/WebRtcTransport.h
......@@ -95,7 +95,7 @@ public:
protected:
void onWrite(const char *buf, size_t len, struct sockaddr_in *dst) override;
int getPayloadType() const ;
int getPayloadType() const override;
uint32_t getSSRC() const override;
uint16_t getPort() const override;
std::string getIP() const override;
......
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