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- #ifndef _sdp_options_h_
- #define _sdp_options_h_
-
- #include <stdint.h>
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- struct sdp_options_t
- {
- int bundle;
- int rtcp_mux; // rtp/rtcp port muxer
-
- struct
- {
- int media; // SDP_M_MEDIA_AUDIO
- int setup; // SDP_A_SETUP_ACTPASS
- int proto; // SDP_M_PROTO_RTP_AVP
- int port[2];
- uint8_t payloads[16]; // payload list
- } m[8];
- int count; // media count
- };
-
- enum
- {
- SDP_A_SETUP_NONE,
- SDP_A_SETUP_ACTPASS, // client/server
- SDP_A_SETUP_PASSIVE, // server
- SDP_A_SETUP_ACTIVE, // client
- SDP_A_SETUP_HOLDCONN, // holdconn
- };
-
- /// @return SDP_A_SETUP_NONE/SDP_A_SETUP_PASSIVE/SDP_A_SETUP_ACTIVE/SDP_A_SETUP_xxx
- int sdp_option_setup_from(const char* setup);
- const char* sdp_option_setup_to(int setup);
-
- // RTP = xxxxxxx1 xxxxxxxx
- // UDP = xxxxxxxx xxxxx000
- // TCP = xxxxxxxx xxxxx001
- // DCCP = xxxxxxxx xxxxx010
- // SCTP = xxxxxxxx xxxxx011
- // Feedback = xxxxxxxx xxx1xxxx
- // SRTP = xxxxxxxx xx1xxxxx
- // TLS = xxxxxxxx x1xxxxxx
- // DTLS = xxxxxxxx 1xxxxxxx
- #define SDP_M_PROTO_TEST_RTP(proto) ( (proto) & 0x0100 )
- #define SDP_M_PROTO_TEST_UDP(proto) ( 0x000 == ((proto) & 0x07) ? 1 : 0 )
- #define SDP_M_PROTO_TEST_TCP(proto) ( 0x001 == ((proto) & 0x07) ? 1 : 0 )
- #define SDP_M_PROTO_TEST_FEEDBACK(proto)( (proto) & 0x10 )
- #define SDP_M_PROTO_TEST_SRTP(proto) ( (proto) & 0x20 )
- #define SDP_M_PROTO_TEST_TLS(proto) ( (proto) & 0x40 )
- #define SDP_M_PROTO_TEST_DTLS(proto) ( (proto) & 0x80 )
-
- enum
- {
- SDP_M_PROTO_UKNOWN = 0,
-
- SDP_M_PROTO_RTP_AVP = 0x0100, // rfc4566: RTP/AVP or RTP/AVP/UDP
- SDP_M_PROTO_RTP_AVPF = 0x0110, // rfc4585: RTP/AVPF
- SDP_M_PROTO_RTP_SAVP = 0x0120, // rfc3711: RTP/SAVP
- SDP_M_PROTO_RTP_SAVPF = 0x0130, // rfc5124: RTP/SAVPF
- SDP_M_PROTO_RTP_AVP_TCP = 0x0101, // rfc4571: TCP/RTP/AVP or RTP/AVP/TCP or RTP/TCP/AVP
- SDP_M_PROTO_RTP_AVPF_TCP = 0x0111, // rfc7850: TCP/RTP/AVPF
- SDP_M_PROTO_RTP_SAVP_TCP = 0x0121, // rfc7850: TCP/RTP/SAVP
- SDP_M_PROTO_RTP_SAVPF_TCP = 0x0131, // rfc7850: TCP/RTP/SAVPF
- SDP_M_PROTO_RTP_SAVP_DTLS_TCP = 0x01A1, // rfc7850: TCP/DTLS/RTP/SAVP
- SDP_M_PROTO_RTP_SAVPF_DTLS_TCP = 0x01B1, // rfc7850: TCP/DTLS/RTP/SAVPF
- SDP_M_PROTO_RTP_AVP_TCP_TLS = 0x0141, // rfc7850: TCP/TLS/RTP/AVP
- SDP_M_PROTO_RTP_AVPF_TCP_TLS = 0x0151, // rfc7850: TCP/TLS/RTP/AVPF
- SDP_M_PROTO_RTP_SAVP_TLS = 0x0160, // rfc5764: UDP/TLS/RTP/SAVP
- SDP_M_PROTO_RTP_SAVPF_TLS = 0x0170, // rfc5764: UDP/TLS/RTP/SAVPF
- SDP_M_PROTO_RTP_SAVP_TLS_DCCP = 0x0162, // rfc5764: DCCP/TLS/RTP/SAVP
- SDP_M_PROTO_RTP_SAVPF_TLS_DCCP = 0x0172, // rfc5764: DCCP/TLS/RTP/SAVPF
-
- SDP_M_PROTO_RAW = 0x0200, // raw
- SDP_M_PROTO_UDP = 0x0300, // rfc4566/rfc8866: udp
- SDP_M_PROTO_SCTP_DTLS = 0x0480, // rfc8841: UDP/DTLS/SCTP
- SDP_M_PROTO_SCTP_DTLS_TCP = 0x0481, // rfc8841: TCP/DTLS/SCTP
- SDP_M_PROTO_TCP = 0x0001, // rfc4145: TCP
- SDP_M_PROTO_TLS_TCP = 0x0041, // rfc8122: TCP/TLS
- };
-
- /// @return SDP_M_PROTO_RAW/SDP_M_PROTO_UDP/SDP_M_PROTO_RTP_AVP/SDP_M_PROTO_XXX
- int sdp_option_proto_from(const char* proto);
- const char* sdp_option_proto_to(int proto);
-
- int sdp_option_mode_from(const char* mode);
- const char* sdp_option_mode_to(int mode);
-
- int sdp_option_media_from(const char* media);
- const char* sdp_option_media_to(int media);
-
- #ifdef __cplusplus
- }
- #endif
- #endif /* !_sdp_options_h_ */
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