/* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef _SIPCC_SDP_H_ #define _SIPCC_SDP_H_ #include "sdp_os_defs.h" #include "ccsdp.h" /* SDP Defines */ /* The following defines are used to indicate params that are specified * as the choose parameter or parameters that are invalid. These can * be used where the value required is really a uint16_t, but is represented * by an int32_t. */ #define SDP_CHOOSE_PARAM (-1) #define SDP_SESSION_LEVEL 0xFFFF #define UNKNOWN_CRYPTO_SUITE "UNKNOWN_CRYPTO_SUITE" #define AES_CM_128_HMAC_SHA1_32 "AES_CM_128_HMAC_SHA1_32" #define AES_CM_128_HMAC_SHA1_80 "AES_CM_128_HMAC_SHA1_80" #define F8_128_HMAC_SHA1_80 "F8_128_HMAC_SHA1_80" /* Pulled in from rtp_defs.h. */ #define GET_DYN_PAYLOAD_TYPE_VALUE(a) ((a & 0XFF00) ? ((a & 0XFF00) >> 8) : a) #define SET_PAYLOAD_TYPE_WITH_DYNAMIC(a,b) ((a << 8) | b) /* * SDP_SRTP_MAX_KEY_SIZE_BYTES * Maximum size for a SRTP Master Key in bytes. */ #define SDP_SRTP_MAX_KEY_SIZE_BYTES 16 /* * SDP_SRTP_MAX_SALT_SIZE_BYTES * Maximum size for a SRTP Master Salt in bytes. */ #define SDP_SRTP_MAX_SALT_SIZE_BYTES 14 /* * SDP_SRTP_MAX_MKI_SIZE_BYTES * Maximum size for a SRTP Master Key Index in bytes. */ #define SDP_SRTP_MAX_MKI_SIZE_BYTES 4 /* Max number of characters for Lifetime */ #define SDP_SRTP_MAX_LIFETIME_BYTES 16 #define SDP_SDESCRIPTIONS_KEY_SIZE_UNKNOWN 0 #define SDP_SRTP_CRYPTO_SELECTION_FLAGS_UNKNOWN 0 /* Max number of fmtp redundant encodings */ #define SDP_FMTP_MAX_REDUNDANT_ENCODINGS 128 /* * SRTP_CONTEXT_SET_* * Set a SRTP Context field flag */ #define SDP_SRTP_ENCRYPT_MASK 0x00000001 #define SDP_SRTP_AUTHENTICATE_MASK 0x00000002 #define SDP_SRTCP_ENCRYPT_MASK 0x00000004 #define SDP_SRTCP_SSRC_MASK 0x20000000 #define SDP_SRTCP_ROC_MASK 0x10000000 #define SDP_SRTCP_KDR_MASK 0x08000000 #define SDP_SRTCP_KEY_MASK 0x80000000 #define SDP_SRTCP_SALT_MASK 0x40000000 #define SDP_SRTP_CONTEXT_SET_SSRC(cw) ((cw) |= SDP_SRTCP_SSRC_MASK) #define SDP_SRTP_CONTEXT_SET_ROC(cw) ((cw) |= SDP_SRTCP_ROC_MASK) #define SDP_SRTP_CONTEXT_SET_KDR(cw) ((cw) |= SDP_SRTCP_KDR_MASK) #define SDP_SRTP_CONTEXT_SET_MASTER_KEY(cw) ((cw) |= SDP_SRTCP_KEY_MASK) #define SDP_SRTP_CONTEXT_SET_MASTER_SALT(cw) ((cw) |= SDP_SRTCP_SALT_MASK) #define SDP_SRTP_CONTEXT_SET_ENCRYPT_AUTHENTICATE(cw) \ ((cw) |= (SDP_SRTP_ENCRYPT_MASK | SDP_SRTP_AUTHENTICATE_MASK | \ SDP_SRTCP_ENCRYPT_MASK)) #define SDP_SRTP_CONTEXT_RESET_SSRC(cw) ((cw) &= ~(SDP_SRTCP_SSRC_MASK)) #define SDP_SRTP_CONTEXT_RESET_ROC(cw) ((cw) &= ~(SDP_SRTCP_ROC_MASK)) #define SDP_SRTP_CONTEXT_RESET_KDR(cw) ((cw) &= ~(SDP_SRTCP_KDR_MASK)) #define SDP_CONTEXT_RESET_MASTER_KEY(cw) ((cw) &= ~(SDP_SRTCP_KEY_MASK)) #define SDP_CONTEXT_RESET_MASTER_SALT(cw) ((cw) &= ~(SDP_SRTCP_SALT_MASK)) #define SDP_EXTMAP_AUDIO_LEVEL "urn:ietf:params:rtp-hdrext:ssrc-audio-level" /* SDP Enum Types */ typedef enum { SDP_DEBUG_TRACE, SDP_DEBUG_WARNINGS, SDP_DEBUG_ERRORS, SDP_MAX_DEBUG_TYPES } sdp_debug_e; typedef enum { SDP_CHOOSE_CONN_ADDR, SDP_CHOOSE_PORTNUM, SDP_MAX_CHOOSE_PARAMS } sdp_choose_param_e; /* Token Lines - these must be in the same order they should * appear in an SDP. */ typedef enum { SDP_TOKEN_V = 0, SDP_TOKEN_O, SDP_TOKEN_S, SDP_TOKEN_I, SDP_TOKEN_U, SDP_TOKEN_E, SDP_TOKEN_P, SDP_TOKEN_C, SDP_TOKEN_B, SDP_TOKEN_T, SDP_TOKEN_R, SDP_TOKEN_Z, SDP_TOKEN_K, SDP_TOKEN_A, SDP_TOKEN_M, SDP_MAX_TOKENS } sdp_token_e; /* Media Types */ typedef enum { SDP_MEDIA_AUDIO = 0, SDP_MEDIA_VIDEO, SDP_MEDIA_APPLICATION, SDP_MEDIA_DATA, SDP_MEDIA_CONTROL, SDP_MEDIA_NAS_RADIUS, SDP_MEDIA_NAS_TACACS, SDP_MEDIA_NAS_DIAMETER, SDP_MEDIA_NAS_L2TP, SDP_MEDIA_NAS_LOGIN, SDP_MEDIA_NAS_NONE, SDP_MEDIA_TEXT, SDP_MEDIA_IMAGE, SDP_MAX_MEDIA_TYPES, SDP_MEDIA_UNSUPPORTED, SDP_MEDIA_INVALID } sdp_media_e; /* Connection Network Type */ typedef enum { SDP_NT_INTERNET = 0, /* 0 -> IP - In SDP "IN" is defined */ /* to mean "Internet" */ SDP_NT_ATM, /* 1 -> ATM */ SDP_NT_FR, /* 2 -> FRAME RELAY */ SDP_NT_LOCAL, /* 3 -> local */ SDP_MAX_NETWORK_TYPES, SDP_NT_UNSUPPORTED, SDP_NT_INVALID } sdp_nettype_e; /* Address Type */ typedef enum { SDP_AT_IP4 = 0, /* 0 -> IP Version 4 (IP4) */ SDP_AT_IP6, /* 1 -> IP Version 6 (IP6) */ SDP_AT_NSAP, /* 2 -> 20 byte NSAP address */ SDP_AT_EPN, /* 3 -> 32 bytes of endpoint name */ SDP_AT_E164, /* 4 -> 15 digit decimal number addr */ SDP_AT_GWID, /* 5 -> Private gw id. ASCII string */ SDP_MAX_ADDR_TYPES, SDP_AT_UNSUPPORTED, SDP_AT_FQDN, SDP_AT_INVALID } sdp_addrtype_e; /* Transport Types */ #define SDP_MAX_PROFILES 3 typedef enum { SDP_TRANSPORT_RTPAVP = 0, SDP_TRANSPORT_UDP, SDP_TRANSPORT_UDPTL, SDP_TRANSPORT_CES10, SDP_TRANSPORT_LOCAL, SDP_TRANSPORT_AAL2_ITU, SDP_TRANSPORT_AAL2_ATMF, SDP_TRANSPORT_AAL2_CUSTOM, SDP_TRANSPORT_AAL1AVP, SDP_TRANSPORT_UDPSPRT, SDP_TRANSPORT_RTPSAVP, SDP_TRANSPORT_TCP, SDP_TRANSPORT_RTPSAVPF, SDP_TRANSPORT_DTLSSCTP, SDP_TRANSPORT_RTPAVPF, SDP_TRANSPORT_UDPTLSRTPSAVP, SDP_TRANSPORT_UDPTLSRTPSAVPF, SDP_TRANSPORT_TCPTLSRTPSAVP, SDP_TRANSPORT_TCPTLSRTPSAVPF, SDP_TRANSPORT_UDPDTLSSCTP, SDP_TRANSPORT_TCPDTLSSCTP, SDP_MAX_TRANSPORT_TYPES, SDP_TRANSPORT_UNSUPPORTED, SDP_TRANSPORT_INVALID } sdp_transport_e; /* Encryption KeyType */ typedef enum { SDP_ENCRYPT_CLEAR, /* 0 -> Key given in the clear */ SDP_ENCRYPT_BASE64, /* 1 -> Base64 encoded key */ SDP_ENCRYPT_URI, /* 2 -> Ptr to URI */ SDP_ENCRYPT_PROMPT, /* 3 -> No key included, prompt user */ SDP_MAX_ENCRYPT_TYPES, SDP_ENCRYPT_UNSUPPORTED, SDP_ENCRYPT_INVALID } sdp_encrypt_type_e; /* Known string payload types */ typedef enum { SDP_PAYLOAD_T38, SDP_PAYLOAD_XTMR, SDP_PAYLOAD_T120, SDP_MAX_STRING_PAYLOAD_TYPES, SDP_PAYLOAD_UNSUPPORTED, SDP_PAYLOAD_INVALID } sdp_payload_e; /* Payload type indicator */ typedef enum { SDP_PAYLOAD_NUMERIC, SDP_PAYLOAD_ENUM } sdp_payload_ind_e; /* Image payload types */ typedef enum { SDP_PORT_NUM_ONLY, /* or '$' */ SDP_PORT_NUM_COUNT, /* / */ SDP_PORT_VPI_VCI, /* / */ SDP_PORT_VCCI, /* */ SDP_PORT_NUM_VPI_VCI, /* // */ SDP_PORT_VCCI_CID, /* / or '$'/'$' */ SDP_PORT_NUM_VPI_VCI_CID, /* /// */ SDP_MAX_PORT_FORMAT_TYPES, SDP_PORT_FORMAT_INVALID } sdp_port_format_e; /* Fmtp attribute format Types */ typedef enum { SDP_FMTP_NTE, SDP_FMTP_CODEC_INFO, SDP_FMTP_MODE, SDP_FMTP_DATACHANNEL, SDP_FMTP_UNKNOWN_TYPE, SDP_FMTP_MAX_TYPE } sdp_fmtp_format_type_e; /* T.38 Rate Mgmt Types */ typedef enum { SDP_T38_LOCAL_TCF, SDP_T38_TRANSFERRED_TCF, SDP_T38_UNKNOWN_RATE, SDP_T38_MAX_RATES } sdp_t38_ratemgmt_e; /* T.38 udp EC Types */ typedef enum { SDP_T38_UDP_REDUNDANCY, SDP_T38_UDP_FEC, SDP_T38_UDPEC_UNKNOWN, SDP_T38_MAX_UDPEC } sdp_t38_udpec_e; /* Bitmaps for manipulating sdp_direction_e */ typedef enum { SDP_DIRECTION_FLAG_SEND=0x01, SDP_DIRECTION_FLAG_RECV=0x02 } sdp_direction_flag_e; /* Media flow direction */ typedef enum { SDP_DIRECTION_INACTIVE = 0, SDP_DIRECTION_SENDONLY = SDP_DIRECTION_FLAG_SEND, SDP_DIRECTION_RECVONLY = SDP_DIRECTION_FLAG_RECV, SDP_DIRECTION_SENDRECV = SDP_DIRECTION_FLAG_SEND | SDP_DIRECTION_FLAG_RECV, SDP_MAX_QOS_DIRECTIONS } sdp_direction_e; #define SDP_DIRECTION_PRINT(arg) \ (((sdp_direction_e)(arg)) == SDP_DIRECTION_INACTIVE ? "SDP_DIRECTION_INACTIVE " : \ ((sdp_direction_e)(arg)) == SDP_DIRECTION_SENDONLY ? "SDP_DIRECTION_SENDONLY": \ ((sdp_direction_e)(arg)) == SDP_DIRECTION_RECVONLY ? "SDP_DIRECTION_RECVONLY ": \ ((sdp_direction_e)(arg)) == SDP_DIRECTION_SENDRECV ? " SDP_DIRECTION_SENDRECV": "SDP_MAX_QOS_DIRECTIONS") /* QOS Strength tag */ typedef enum { SDP_QOS_STRENGTH_OPT, SDP_QOS_STRENGTH_MAND, SDP_QOS_STRENGTH_SUCC, SDP_QOS_STRENGTH_FAIL, SDP_QOS_STRENGTH_NONE, SDP_MAX_QOS_STRENGTH, SDP_QOS_STRENGTH_UNKNOWN } sdp_qos_strength_e; /* QOS direction */ typedef enum { SDP_QOS_DIR_SEND, SDP_QOS_DIR_RECV, SDP_QOS_DIR_SENDRECV, SDP_QOS_DIR_NONE, SDP_MAX_QOS_DIR, SDP_QOS_DIR_UNKNOWN } sdp_qos_dir_e; /* QoS Status types */ typedef enum { SDP_QOS_LOCAL, SDP_QOS_REMOTE, SDP_QOS_E2E, SDP_MAX_QOS_STATUS_TYPES, SDP_QOS_STATUS_TYPE_UNKNOWN } sdp_qos_status_types_e; /* QoS Status types */ typedef enum { SDP_CURR_QOS_TYPE, SDP_CURR_UNKNOWN_TYPE, SDP_MAX_CURR_TYPES } sdp_curr_type_e; /* QoS Status types */ typedef enum { SDP_DES_QOS_TYPE, SDP_DES_UNKNOWN_TYPE, SDP_MAX_DES_TYPES } sdp_des_type_e; /* QoS Status types */ typedef enum { SDP_CONF_QOS_TYPE, SDP_CONF_UNKNOWN_TYPE, SDP_MAX_CONF_TYPES } sdp_conf_type_e; /* Named event range result values. */ typedef enum { SDP_NO_MATCH, SDP_PARTIAL_MATCH, SDP_FULL_MATCH } sdp_ne_res_e; /* Fmtp attribute parameters for audio/video codec information */ typedef enum { /* mainly for audio codecs */ SDP_ANNEX_A, /* 0 */ SDP_ANNEX_B, SDP_BITRATE, /* for video codecs */ SDP_QCIF, SDP_CIF, SDP_MAXBR, SDP_SQCIF, SDP_CIF4, SDP_CIF16, SDP_CUSTOM, SDP_PAR, SDP_CPCF, SDP_BPP, SDP_HRD, SDP_PROFILE, SDP_LEVEL, SDP_INTERLACE, /* H.264 related */ SDP_PROFILE_LEVEL_ID, /* 17 */ SDP_PARAMETER_SETS, SDP_PACKETIZATION_MODE, SDP_INTERLEAVING_DEPTH, SDP_DEINT_BUF_REQ, SDP_MAX_DON_DIFF, SDP_INIT_BUF_TIME, SDP_MAX_MBPS, SDP_MAX_FS, SDP_MAX_CPB, SDP_MAX_DPB, SDP_MAX_BR, SDP_REDUNDANT_PIC_CAP, SDP_DEINT_BUF_CAP, SDP_MAX_RCMD_NALU_SIZE, SDP_PARAMETER_ADD, /* Annexes - begin */ /* Some require special handling as they don't have token=token format*/ SDP_ANNEX_D, SDP_ANNEX_F, SDP_ANNEX_I, SDP_ANNEX_J, SDP_ANNEX_T, /* These annexes have token=token format */ SDP_ANNEX_K, SDP_ANNEX_N, SDP_ANNEX_P, SDP_MODE, SDP_LEVEL_ASYMMETRY_ALLOWED, SDP_MAX_AVERAGE_BIT_RATE, SDP_USED_TX, SDP_STEREO, SDP_USE_IN_BAND_FEC, SDP_MAX_CODED_AUDIO_BW, SDP_CBR, SDP_MAX_FR, SDP_MAX_PLAYBACK_RATE, SDP_MAX_FMTP_PARAM, SDP_FMTP_PARAM_UNKNOWN } sdp_fmtp_codec_param_e; /* Fmtp attribute parameters values for fmtp attribute parameters which convey codec information */ typedef enum { SDP_YES, SDP_NO, SDP_MAX_FMTP_PARAM_VAL, SDP_FMTP_PARAM_UNKNOWN_VAL } sdp_fmtp_codec_param_val_e; /* silenceSupp suppPref */ typedef enum { SDP_SILENCESUPP_PREF_STANDARD, SDP_SILENCESUPP_PREF_CUSTOM, SDP_SILENCESUPP_PREF_NULL, /* "-" */ SDP_MAX_SILENCESUPP_PREF, SDP_SILENCESUPP_PREF_UNKNOWN } sdp_silencesupp_pref_e; /* silenceSupp sidUse */ typedef enum { SDP_SILENCESUPP_SIDUSE_NOSID, SDP_SILENCESUPP_SIDUSE_FIXED, SDP_SILENCESUPP_SIDUSE_SAMPLED, SDP_SILENCESUPP_SIDUSE_NULL, /* "-" */ SDP_MAX_SILENCESUPP_SIDUSE, SDP_SILENCESUPP_SIDUSE_UNKNOWN } sdp_silencesupp_siduse_e; typedef enum { SDP_MEDIADIR_ROLE_PASSIVE, SDP_MEDIADIR_ROLE_ACTIVE, SDP_MEDIADIR_ROLE_BOTH, SDP_MEDIADIR_ROLE_REUSE, SDP_MEDIADIR_ROLE_UNKNOWN, SDP_MAX_MEDIADIR_ROLES, SDP_MEDIADIR_ROLE_UNSUPPORTED, SDP_MEDIADIR_ROLE_INVALID } sdp_mediadir_role_e; typedef enum { SDP_GROUP_ATTR_FID, SDP_GROUP_ATTR_LS, SDP_GROUP_ATTR_ANAT, SDP_GROUP_ATTR_BUNDLE, SDP_MAX_GROUP_ATTR_VAL, SDP_GROUP_ATTR_UNSUPPORTED } sdp_group_attr_e; typedef enum { SDP_SRC_FILTER_INCL, SDP_SRC_FILTER_EXCL, SDP_MAX_FILTER_MODE, SDP_FILTER_MODE_NOT_PRESENT } sdp_src_filter_mode_e; typedef enum { SDP_RTCP_UNICAST_MODE_REFLECTION, SDP_RTCP_UNICAST_MODE_RSI, SDP_RTCP_MAX_UNICAST_MODE, SDP_RTCP_UNICAST_MODE_NOT_PRESENT } sdp_rtcp_unicast_mode_e; typedef enum { SDP_CONNECTION_NOT_FOUND = -1, SDP_CONNECTION_NEW = 0, SDP_CONNECTION_EXISTING, SDP_MAX_CONNECTION, SDP_CONNECTION_UNKNOWN } sdp_connection_type_e; typedef enum { SDP_SCTP_MEDIA_FMT_WEBRTC_DATACHANNEL, SDP_SCTP_MEDIA_FMT_UNKNOWN } sdp_sctp_media_fmt_type_e; /* * sdp_srtp_fec_order_t * This type defines the order in which to perform FEC * (Forward Error Correction) and SRTP Encryption/Authentication. */ typedef enum sdp_srtp_fec_order_t_ { SDP_SRTP_THEN_FEC, /* upon sending perform SRTP then FEC */ SDP_FEC_THEN_SRTP, /* upon sending perform FEC then SRTP */ SDP_SRTP_FEC_SPLIT /* upon sending perform SRTP Encryption, * then FEC, the SRTP Authentication */ } sdp_srtp_fec_order_t; /* * sdp_srtp_crypto_suite_t * Enumeration of the crypto suites supported for MGCP SRTP * package. */ typedef enum sdp_srtp_crypto_suite_t_ { SDP_SRTP_UNKNOWN_CRYPTO_SUITE = 0, SDP_SRTP_AES_CM_128_HMAC_SHA1_32, SDP_SRTP_AES_CM_128_HMAC_SHA1_80, SDP_SRTP_F8_128_HMAC_SHA1_80, SDP_SRTP_MAX_NUM_CRYPTO_SUITES } sdp_srtp_crypto_suite_t; /* * SDP SRTP crypto suite definition parameters * * SDP_SRTP__KEY_BYTES * The size of a master key for in bytes. * * SDP_SRTP__SALT_BYTES * The size of a master salt for in bytes. */ #define SDP_SRTP_AES_CM_128_HMAC_SHA1_32_KEY_BYTES 16 #define SDP_SRTP_AES_CM_128_HMAC_SHA1_32_SALT_BYTES 14 #define SDP_SRTP_AES_CM_128_HMAC_SHA1_80_KEY_BYTES 16 #define SDP_SRTP_AES_CM_128_HMAC_SHA1_80_SALT_BYTES 14 #define SDP_SRTP_F8_128_HMAC_SHA1_80_KEY_BYTES 16 #define SDP_SRTP_F8_128_HMAC_SHA1_80_SALT_BYTES 14 /* SDP Defines */ #define SDP_MAX_LONG_STRING_LEN 4096 /* Max len for long SDP strings */ #define SDP_MAX_STRING_LEN 256 /* Max len for SDP string */ #define SDP_MAX_SHORT_STRING_LEN 12 /* Max len for a short SDP string */ #define SDP_MAX_PAYLOAD_TYPES 23 /* Max payload types in m= line */ #define SDP_TOKEN_LEN 2 /* Len of = */ #define SDP_CURRENT_VERSION 0 /* Current default SDP version */ #define SDP_MAX_PORT_PARAMS 4 /* Max m= port params - x/x/x/x */ #define SDP_MIN_DYNAMIC_PAYLOAD 96 /* Min dynamic payload */ #define SDP_MAX_DYNAMIC_PAYLOAD 127 /* Max dynamic payload */ #define SDP_MIN_CIF_VALUE 1 /* applies to all QCIF,CIF,CIF4,CIF16,SQCIF */ #define SDP_MAX_CIF_VALUE 32 /* applies to all QCIF,CIF,CIF4,CIF16,SQCIF */ #define SDP_MAX_SRC_ADDR_LIST 1 /* Max source addrs for which filter applies */ #define SDP_DEFAULT_PACKETIZATION_MODE_VALUE 0 /* max packetization mode for H.264 */ #define SDP_MAX_PACKETIZATION_MODE_VALUE 2 /* max packetization mode for H.264 */ #define SDP_INVALID_PACKETIZATION_MODE_VALUE 255 #define SDP_MAX_LEVEL_ASYMMETRY_ALLOWED_VALUE 1 /* max level asymmetry allowed value for H.264 */ #define SDP_DEFAULT_LEVEL_ASYMMETRY_ALLOWED_VALUE 0 /* default level asymmetry allowed value for H.264 */ #define SDP_INVALID_LEVEL_ASYMMETRY_ALLOWED_VALUE 2 /* invalid value for level-asymmetry-allowed param for H.264 */ /* Max number of stream ids that can be grouped together */ #define SDP_MAX_MEDIA_STREAMS 32 #define SDP_UNSUPPORTED "Unsupported" #define SDP_MAX_LINE_LEN 256 /* Max len for SDP Line */ #define SDP_MAX_PROFILE_VALUE 10 #define SDP_MAX_LEVEL_VALUE 100 #define SDP_MIN_PROFILE_LEVEL_VALUE 0 #define SDP_MAX_TTL_VALUE 255 #define SDP_MIN_MCAST_ADDR_HI_BIT_VAL 224 #define SDP_MAX_MCAST_ADDR_HI_BIT_VAL 239 /* SDP Enum Types */ typedef enum { SDP_ERR_INVALID_CONF_PTR, SDP_ERR_INVALID_SDP_PTR, SDP_ERR_INTERNAL, SDP_MAX_ERR_TYPES } sdp_errmsg_e; /* SDP Structure Definitions */ /* String names of varios tokens */ typedef struct { char *name; uint8_t strlen; } sdp_namearray_t; /* c= line info */ typedef struct { sdp_nettype_e nettype; sdp_addrtype_e addrtype; char conn_addr[SDP_MAX_STRING_LEN+1]; tinybool is_multicast; uint16_t ttl; uint16_t num_of_addresses; } sdp_conn_t; /* t= line info */ typedef struct sdp_timespec { char start_time[SDP_MAX_STRING_LEN+1]; char stop_time[SDP_MAX_STRING_LEN+1]; struct sdp_timespec *next_p; } sdp_timespec_t; /* k= line info */ typedef struct sdp_encryptspec { sdp_encrypt_type_e encrypt_type; char encrypt_key[SDP_MAX_STRING_LEN+1]; } sdp_encryptspec_t; /* FMTP attribute deals with named events in the range of 0-255 as * defined in RFC 2833 */ #define SDP_MIN_NE_VALUE 0 #define SDP_MAX_NE_VALUES 256 #define SDP_NE_BITS_PER_WORD ( sizeof(uint32_t) * 8 ) #define SDP_NE_NUM_BMAP_WORDS ((SDP_MAX_NE_VALUES + SDP_NE_BITS_PER_WORD - 1)/SDP_NE_BITS_PER_WORD ) #define SDP_NE_BIT_0 ( 0x00000001 ) #define SDP_NE_ALL_BITS ( 0xFFFFFFFF ) #define SDP_DEINT_BUF_REQ_FLAG 0x1 #define SDP_INIT_BUF_TIME_FLAG 0x2 #define SDP_MAX_RCMD_NALU_SIZE_FLAG 0x4 #define SDP_DEINT_BUF_CAP_FLAG 0x8 #define SDP_FMTP_UNUSED 0xFFFF typedef struct sdp_fmtp { uint16_t payload_num; uint32_t maxval; /* maxval optimizes bmap search */ uint32_t bmap[ SDP_NE_NUM_BMAP_WORDS ]; sdp_fmtp_format_type_e fmtp_format; /* Gives the format type for FMTP attribute*/ tinybool annexb_required; tinybool annexa_required; tinybool annexa; tinybool annexb; uint32_t bitrate; uint32_t mode; /* some OPUS specific fmtp params */ uint32_t maxplaybackrate; uint32_t maxaveragebitrate; uint16_t usedtx; uint16_t stereo; uint16_t useinbandfec; char maxcodedaudiobandwidth[SDP_MAX_STRING_LEN+1]; uint16_t cbr; /* BEGIN - All Video related FMTP parameters */ uint16_t qcif; uint16_t cif; uint16_t maxbr; uint16_t sqcif; uint16_t cif4; uint16_t cif16; uint16_t custom_x; uint16_t custom_y; uint16_t custom_mpi; /* CUSTOM=360,240,4 implies X-AXIS=360, Y-AXIS=240; MPI=4 */ uint16_t par_width; uint16_t par_height; /* PAR=12:11 implies par_width=12, par_height=11 */ /* CPCF should be a float. IOS does not support float and so it is uint16_t */ /* For portable stack, CPCF should be defined as float and the parsing should * be modified accordingly */ uint16_t cpcf; uint16_t bpp; uint16_t hrd; int16_t profile; int16_t level; tinybool is_interlace; /* some more H.264 specific fmtp params */ char profile_level_id[SDP_MAX_STRING_LEN+1]; char parameter_sets[SDP_MAX_STRING_LEN+1]; uint16_t packetization_mode; uint16_t level_asymmetry_allowed; uint16_t interleaving_depth; uint32_t deint_buf_req; uint32_t max_don_diff; uint32_t init_buf_time; uint32_t max_mbps; uint32_t max_fs; uint32_t max_fr; uint32_t max_cpb; uint32_t max_dpb; uint32_t max_br; tinybool redundant_pic_cap; uint32_t deint_buf_cap; uint32_t max_rcmd_nalu_size; uint16_t parameter_add; tinybool annex_d; tinybool annex_f; tinybool annex_i; tinybool annex_j; tinybool annex_t; /* H.263 codec requires annex K,N and P to have values */ uint16_t annex_k_val; uint16_t annex_n_val; /* RFC 5109 Section 4.2 for specifying redundant encodings */ uint8_t redundant_encodings[SDP_FMTP_MAX_REDUNDANT_ENCODINGS]; /* RFC 2833 Section 3.9 (4733) for specifying support DTMF tones: The list of values consists of comma-separated elements, which can be either a single decimal number or two decimal numbers separated by a hyphen (dash), where the second number is larger than the first. No whitespace is allowed between numbers or hyphens. The list does not have to be sorted. */ char dtmf_tones[SDP_MAX_STRING_LEN+1]; /* Annex P can take one or more values in the range 1-4 . e.g P=1,3 */ uint16_t annex_p_val_picture_resize; /* 1 = four; 2 = sixteenth */ uint16_t annex_p_val_warp; /* 3 = half; 4=sixteenth */ uint8_t flag; /* END - All Video related FMTP parameters */ } sdp_fmtp_t; /* a=sctpmap line used for Datachannels */ typedef struct sdp_sctpmap { uint16_t port; uint32_t streams; /* Num streams per Datachannel */ char protocol[SDP_MAX_STRING_LEN+1]; } sdp_sctpmap_t; #define SDP_MAX_MSID_LEN 64 typedef struct sdp_msid { char identifier[SDP_MAX_MSID_LEN+1]; char appdata[SDP_MAX_MSID_LEN+1]; } sdp_msid_t; /* a=qos|secure|X-pc-qos|X-qos info */ typedef struct sdp_qos { sdp_qos_strength_e strength; sdp_qos_dir_e direction; tinybool confirm; sdp_qos_status_types_e status_type; } sdp_qos_t; /* a=curr:qos status_type direction */ typedef struct sdp_curr { sdp_curr_type_e type; sdp_qos_status_types_e status_type; sdp_qos_dir_e direction; } sdp_curr_t; /* a=des:qos strength status_type direction */ typedef struct sdp_des { sdp_des_type_e type; sdp_qos_strength_e strength; sdp_qos_status_types_e status_type; sdp_qos_dir_e direction; } sdp_des_t; /* a=conf:qos status_type direction */ typedef struct sdp_conf { sdp_conf_type_e type; sdp_qos_status_types_e status_type; sdp_qos_dir_e direction; } sdp_conf_t; /* a=rtpmap or a=sprtmap info */ typedef struct sdp_transport_map { uint16_t payload_num; char encname[SDP_MAX_STRING_LEN+1]; uint32_t clockrate; uint16_t num_chan; } sdp_transport_map_t; /* a=rtr info */ typedef struct sdp_rtr { tinybool confirm; } sdp_rtr_t; /* a=subnet info */ typedef struct sdp_subnet { sdp_nettype_e nettype; sdp_addrtype_e addrtype; char addr[SDP_MAX_STRING_LEN+1]; int32_t prefix; } sdp_subnet_t; /* a=X-pc-codec info */ typedef struct sdp_pccodec { uint16_t num_payloads; ushort payload_type[SDP_MAX_PAYLOAD_TYPES]; } sdp_pccodec_t; /* a=direction info */ typedef struct sdp_comediadir { sdp_mediadir_role_e role; tinybool conn_info_present; sdp_conn_t conn_info; uint32_t src_port; } sdp_comediadir_t; /* a=silenceSupp info */ typedef struct sdp_silencesupp { tinybool enabled; tinybool timer_null; uint16_t timer; sdp_silencesupp_pref_e pref; sdp_silencesupp_siduse_e siduse; tinybool fxnslevel_null; uint8_t fxnslevel; } sdp_silencesupp_t; /* * a=mptime info */ /* Note that an interval value of zero corresponds to * the "-" syntax on the a= line. */ typedef struct sdp_mptime { uint16_t num_intervals; ushort intervals[SDP_MAX_PAYLOAD_TYPES]; } sdp_mptime_t; /* * a=X-sidin:, a=X-sidout:< val> and a=X-confid: * Stream Id,ConfID related attributes to be used for audio/video conferencing * */ typedef struct sdp_stream_data { char x_sidin[SDP_MAX_STRING_LEN+1]; char x_sidout[SDP_MAX_STRING_LEN+1]; char x_confid[SDP_MAX_STRING_LEN+1]; sdp_group_attr_e group_attr; /* FID or LS */ uint16_t num_group_id; char * group_ids[SDP_MAX_MEDIA_STREAMS]; } sdp_stream_data_t; typedef struct sdp_msid_semantic { char semantic[SDP_MAX_STRING_LEN+1]; char * msids[SDP_MAX_MEDIA_STREAMS]; } sdp_msid_semantic_t; /* * a=source-filter: * = ... * One or more source addresses to apply filter, for one or more connection * address in unicast/multicast environments */ typedef struct sdp_source_filter { sdp_src_filter_mode_e mode; sdp_nettype_e nettype; sdp_addrtype_e addrtype; char dest_addr[SDP_MAX_STRING_LEN+1]; uint16_t num_src_addr; char src_list[SDP_MAX_SRC_ADDR_LIST+1][SDP_MAX_STRING_LEN+1]; } sdp_source_filter_t; /* * a=rtcp-fb: [] * Defines RTCP feedback parameters */ #define SDP_ALL_PAYLOADS 0xFFFF typedef struct sdp_fmtp_fb { uint16_t payload_num; /* can be SDP_ALL_PAYLOADS */ sdp_rtcp_fb_type_e feedback_type; union { sdp_rtcp_fb_ack_type_e ack; sdp_rtcp_fb_ccm_type_e ccm; sdp_rtcp_fb_nack_type_e nack; uint32_t trr_int; } param; char extra[SDP_MAX_STRING_LEN + 1]; /* Holds any trailing information that cannot be represented by preceding fields. */ } sdp_fmtp_fb_t; typedef struct sdp_rtcp { sdp_nettype_e nettype; sdp_addrtype_e addrtype; char addr[SDP_MAX_STRING_LEN+1]; uint16_t port; } sdp_rtcp_t; /* * b=: * */ typedef struct sdp_bw_data { struct sdp_bw_data *next_p; sdp_bw_modifier_e bw_modifier; int bw_val; } sdp_bw_data_t; /* * This structure houses a linked list of sdp_bw_data_t instances. Each * sdp_bw_data_t instance represents one b= line. */ typedef struct sdp_bw { uint16_t bw_data_count; sdp_bw_data_t *bw_data_list; } sdp_bw_t; /* Media lines for AAL2 may have more than one transport type defined * each with its own payload type list. These are referred to as * profile types instead of transport types. This structure is used * to handle these multiple profile types. Note: One additional profile * field is needed because of the way parsing is done. This is not an * error. */ typedef struct sdp_media_profiles { uint16_t num_profiles; sdp_transport_e profile[SDP_MAX_PROFILES+1]; uint16_t num_payloads[SDP_MAX_PROFILES]; sdp_payload_ind_e payload_indicator[SDP_MAX_PROFILES][SDP_MAX_PAYLOAD_TYPES]; uint16_t payload_type[SDP_MAX_PROFILES][SDP_MAX_PAYLOAD_TYPES]; } sdp_media_profiles_t; /* * a=extmap:["/"] * */ typedef struct sdp_extmap { uint16_t id; sdp_direction_e media_direction; tinybool media_direction_specified; char uri[SDP_MAX_STRING_LEN+1]; char extension_attributes[SDP_MAX_STRING_LEN+1]; } sdp_extmap_t; typedef struct sdp_ssrc { uint32_t ssrc; char attribute[SDP_MAX_STRING_LEN + 1]; } sdp_ssrc_t; /* * sdp_srtp_crypto_context_t * This type is used to hold cryptographic context information. * */ typedef struct sdp_srtp_crypto_context_t_ { int32_t tag; unsigned long selection_flags; sdp_srtp_crypto_suite_t suite; unsigned char master_key[SDP_SRTP_MAX_KEY_SIZE_BYTES]; unsigned char master_salt[SDP_SRTP_MAX_SALT_SIZE_BYTES]; unsigned char master_key_size_bytes; unsigned char master_salt_size_bytes; unsigned long ssrc; /* not used */ unsigned long roc; /* not used */ unsigned long kdr; /* not used */ unsigned short seq; /* not used */ sdp_srtp_fec_order_t fec_order; /* not used */ unsigned char master_key_lifetime[SDP_SRTP_MAX_LIFETIME_BYTES]; unsigned char mki[SDP_SRTP_MAX_MKI_SIZE_BYTES]; uint16_t mki_size_bytes; char* session_parameters; } sdp_srtp_crypto_context_t; /* m= line info and associated attribute list */ /* Note: Most of the port parameter values are 16-bit values. We set * the type to int32_t so we can return either a 16-bit value or the * choose value. */ typedef struct sdp_mca { sdp_media_e media; sdp_conn_t conn; sdp_transport_e transport; sdp_port_format_e port_format; int32_t port; int32_t sctpport; sdp_sctp_media_fmt_type_e sctp_fmt; int32_t num_ports; int32_t vpi; uint32_t vci; /* VCI needs to be 32-bit */ int32_t vcci; int32_t cid; uint16_t num_payloads; sdp_payload_ind_e payload_indicator[SDP_MAX_PAYLOAD_TYPES]; uint16_t payload_type[SDP_MAX_PAYLOAD_TYPES]; sdp_media_profiles_t *media_profiles_p; tinybool sessinfo_found; sdp_encryptspec_t encrypt; sdp_bw_t bw; sdp_attr_e media_direction; /* Either INACTIVE, SENDONLY, RECVONLY, or SENDRECV */ uint32_t mid; uint32_t line_number; struct sdp_attr *media_attrs_p; struct sdp_mca *next_p; } sdp_mca_t; /* generic a= line info */ typedef struct sdp_attr { sdp_attr_e type; uint32_t line_number; union { tinybool boolean_val; uint32_t u32_val; char string_val[SDP_MAX_STRING_LEN+1]; char *stringp; char ice_attr[SDP_MAX_STRING_LEN+1]; sdp_fmtp_t fmtp; sdp_sctpmap_t sctpmap; sdp_msid_t msid; sdp_qos_t qos; sdp_curr_t curr; sdp_des_t des; sdp_conf_t conf; sdp_transport_map_t transport_map; /* A rtpmap or sprtmap */ sdp_subnet_t subnet; sdp_t38_ratemgmt_e t38ratemgmt; sdp_t38_udpec_e t38udpec; sdp_pccodec_t pccodec; sdp_silencesupp_t silencesupp; sdp_mca_t *cap_p; /* A X-CAP or CDSC attribute */ sdp_rtr_t rtr; sdp_comediadir_t comediadir; sdp_srtp_crypto_context_t srtp_context; sdp_mptime_t mptime; sdp_stream_data_t stream_data; sdp_msid_semantic_t msid_semantic; char unknown[SDP_MAX_STRING_LEN+1]; sdp_source_filter_t source_filter; sdp_fmtp_fb_t rtcp_fb; sdp_rtcp_t rtcp; sdp_setup_type_e setup; sdp_connection_type_e connection; sdp_extmap_t extmap; sdp_ssrc_t ssrc; } attr; struct sdp_attr *next_p; } sdp_attr_t; typedef struct sdp_srtp_crypto_suite_list_ { sdp_srtp_crypto_suite_t crypto_suite_val; char * crypto_suite_str; unsigned char key_size_bytes; unsigned char salt_size_bytes; } sdp_srtp_crypto_suite_list; typedef void (*sdp_parse_error_handler)(void *context, uint32_t line, const char *message); /* Application configuration options */ typedef struct sdp_conf_options { tinybool debug_flag[SDP_MAX_DEBUG_TYPES]; tinybool version_reqd; tinybool owner_reqd; tinybool session_name_reqd; tinybool timespec_reqd; tinybool media_supported[SDP_MAX_MEDIA_TYPES]; tinybool nettype_supported[SDP_MAX_NETWORK_TYPES]; tinybool addrtype_supported[SDP_MAX_ADDR_TYPES]; tinybool transport_supported[SDP_MAX_TRANSPORT_TYPES]; tinybool allow_choose[SDP_MAX_CHOOSE_PARAMS]; /* Statistics counts */ uint32_t num_builds; uint32_t num_parses; uint32_t num_not_sdp_desc; uint32_t num_invalid_token_order; uint32_t num_invalid_param; uint32_t num_no_resource; struct sdp_conf_options *next_p; sdp_parse_error_handler error_handler; void *error_handler_context; } sdp_conf_options_t; /* Session level SDP info with pointers to media line info. */ /* Elements here that can only be one of are included directly. Elements */ /* that can be more than one are pointers. */ typedef struct { sdp_conf_options_t *conf_p; tinybool debug_flag[SDP_MAX_DEBUG_TYPES]; char debug_str[SDP_MAX_STRING_LEN+1]; uint32_t debug_id; int32_t version; /* version is really a uint16_t */ char owner_name[SDP_MAX_STRING_LEN+1]; char owner_sessid[SDP_MAX_STRING_LEN+1]; char owner_version[SDP_MAX_STRING_LEN+1]; sdp_nettype_e owner_network_type; sdp_addrtype_e owner_addr_type; char owner_addr[SDP_MAX_STRING_LEN+1]; char sessname[SDP_MAX_STRING_LEN+1]; tinybool sessinfo_found; tinybool uri_found; sdp_conn_t default_conn; sdp_timespec_t *timespec_p; sdp_encryptspec_t encrypt; sdp_bw_t bw; sdp_attr_t *sess_attrs_p; /* Info to help with building capability attributes. */ uint16_t cur_cap_num; sdp_mca_t *cur_cap_p; /* Info to help parsing X-cpar attrs. */ uint16_t cap_valid; uint16_t last_cap_inst; /* Info to help building X-cpar/cpar attrs. */ sdp_attr_e last_cap_type; /* Facilitates reporting line number for SDP errors */ uint32_t parse_line; /* MCA - Media, connection, and attributes */ sdp_mca_t *mca_p; ushort mca_count; } sdp_t; /* Token processing table. */ typedef struct { char *name; sdp_result_e (*parse_func)(sdp_t *sdp_p, uint16_t level, const char *ptr); sdp_result_e (*build_func)(sdp_t *sdp_p, uint16_t level, flex_string *fs); } sdp_tokenarray_t; /* Attribute processing table. */ typedef struct { char *name; uint16_t strlen; sdp_result_e (*parse_func)(sdp_t *sdp_p, sdp_attr_t *attr_p, const char *ptr); sdp_result_e (*build_func)(sdp_t *sdp_p, sdp_attr_t *attr_p, flex_string *fs); } sdp_attrarray_t; /* Prototypes */ /* sdp_config.c */ extern sdp_conf_options_t *sdp_init_config(void); extern void sdp_free_config(sdp_conf_options_t *config_p); extern void sdp_appl_debug(sdp_conf_options_t *config_p, sdp_debug_e debug_type, tinybool debug_flag); extern void sdp_require_version(sdp_conf_options_t *config_p, tinybool version_required); extern void sdp_require_owner(sdp_conf_options_t *config_p, tinybool owner_required); extern void sdp_require_session_name(sdp_conf_options_t *config_p, tinybool sess_name_required); extern void sdp_require_timespec(sdp_conf_options_t *config_p, tinybool timespec_required); extern void sdp_media_supported(sdp_conf_options_t *config_p, sdp_media_e media_type, tinybool media_supported); extern void sdp_nettype_supported(sdp_conf_options_t *config_p, sdp_nettype_e nettype, tinybool nettype_supported); extern void sdp_addrtype_supported(sdp_conf_options_t *config_p, sdp_addrtype_e addrtype, tinybool addrtype_supported); extern void sdp_transport_supported(sdp_conf_options_t *config_p, sdp_transport_e transport, tinybool transport_supported); extern void sdp_allow_choose(sdp_conf_options_t *config_p, sdp_choose_param_e param, tinybool choose_allowed); extern void sdp_config_set_error_handler(sdp_conf_options_t *config_p, sdp_parse_error_handler handler, void *context); /* sdp_main.c */ extern sdp_t *sdp_init_description(sdp_conf_options_t *config_p); extern void sdp_debug(sdp_t *sdp_ptr, sdp_debug_e debug_type, tinybool debug_flag); extern void sdp_set_string_debug(sdp_t *sdp_ptr, const char *debug_str); extern sdp_result_e sdp_parse(sdp_t *sdp_ptr, const char *buf, size_t len); extern sdp_result_e sdp_build(sdp_t *sdp_ptr, flex_string *fs); extern sdp_result_e sdp_free_description(sdp_t *sdp_ptr); extern void sdp_parse_error(sdp_t *sdp, const char *format, ...); extern const char *sdp_get_result_name(sdp_result_e rc); /* sdp_access.c */ extern tinybool sdp_version_valid(sdp_t *sdp_p); extern int32_t sdp_get_version(sdp_t *sdp_p); extern sdp_result_e sdp_set_version(sdp_t *sdp_p, int32_t version); extern tinybool sdp_owner_valid(sdp_t *sdp_p); extern const char *sdp_get_owner_username(sdp_t *sdp_p); extern const char *sdp_get_owner_sessionid(sdp_t *sdp_p); extern const char *sdp_get_owner_version(sdp_t *sdp_p); extern sdp_nettype_e sdp_get_owner_network_type(sdp_t *sdp_p); extern sdp_addrtype_e sdp_get_owner_address_type(sdp_t *sdp_p); extern const char *sdp_get_owner_address(sdp_t *sdp_p); extern sdp_result_e sdp_set_owner_username(sdp_t *sdp_p, const char *username); extern sdp_result_e sdp_set_owner_sessionid(sdp_t *sdp_p, const char *sessid); extern sdp_result_e sdp_set_owner_version(sdp_t *sdp_p, const char *version); extern sdp_result_e sdp_set_owner_network_type(sdp_t *sdp_p, sdp_nettype_e network_type); extern sdp_result_e sdp_set_owner_address_type(sdp_t *sdp_p, sdp_addrtype_e address_type); extern sdp_result_e sdp_set_owner_address(sdp_t *sdp_p, const char *address); extern tinybool sdp_session_name_valid(sdp_t *sdp_p); extern const char *sdp_get_session_name(sdp_t *sdp_p); extern sdp_result_e sdp_set_session_name(sdp_t *sdp_p, const char *sessname); extern tinybool sdp_timespec_valid(sdp_t *sdp_ptr); extern const char *sdp_get_time_start(sdp_t *sdp_ptr); extern const char *sdp_get_time_stop(sdp_t *sdp_ptr); sdp_result_e sdp_set_time_start(sdp_t *sdp_p, const char *start_time); sdp_result_e sdp_set_time_stop(sdp_t *sdp_p, const char *stop_time); extern tinybool sdp_encryption_valid(sdp_t *sdp_p, uint16_t level); extern sdp_encrypt_type_e sdp_get_encryption_method(sdp_t *sdp_p, uint16_t level); extern const char *sdp_get_encryption_key(sdp_t *sdp_p, uint16_t level); extern tinybool sdp_connection_valid(sdp_t *sdp_p, uint16_t level); extern tinybool sdp_bw_line_exists(sdp_t *sdp_p, uint16_t level, uint16_t inst_num); extern tinybool sdp_bandwidth_valid(sdp_t *sdp_p, uint16_t level, uint16_t inst_num); extern sdp_nettype_e sdp_get_conn_nettype(sdp_t *sdp_p, uint16_t level); extern sdp_addrtype_e sdp_get_conn_addrtype(sdp_t *sdp_p, uint16_t level); extern const char *sdp_get_conn_address(sdp_t *sdp_p, uint16_t level); extern tinybool sdp_is_mcast_addr (sdp_t *sdp_p, uint16_t level); extern int32_t sdp_get_mcast_ttl(sdp_t *sdp_p, uint16_t level); extern int32_t sdp_get_mcast_num_of_addresses(sdp_t *sdp_p, uint16_t level); extern sdp_result_e sdp_set_conn_nettype(sdp_t *sdp_p, uint16_t level, sdp_nettype_e nettype); extern sdp_result_e sdp_set_conn_addrtype(sdp_t *sdp_p, uint16_t level, sdp_addrtype_e addrtype); extern sdp_result_e sdp_set_conn_address(sdp_t *sdp_p, uint16_t level, const char *address); extern tinybool sdp_media_line_valid(sdp_t *sdp_p, uint16_t level); extern uint16_t sdp_get_num_media_lines(sdp_t *sdp_ptr); extern sdp_media_e sdp_get_media_type(sdp_t *sdp_p, uint16_t level); extern uint32_t sdp_get_media_line_number(sdp_t *sdp_p, uint16_t level); extern sdp_port_format_e sdp_get_media_port_format(sdp_t *sdp_p, uint16_t level); extern int32_t sdp_get_media_portnum(sdp_t *sdp_p, uint16_t level); extern int32_t sdp_get_media_portcount(sdp_t *sdp_p, uint16_t level); extern int32_t sdp_get_media_vpi(sdp_t *sdp_p, uint16_t level); extern uint32_t sdp_get_media_vci(sdp_t *sdp_p, uint16_t level); extern int32_t sdp_get_media_vcci(sdp_t *sdp_p, uint16_t level); extern int32_t sdp_get_media_cid(sdp_t *sdp_p, uint16_t level); extern sdp_transport_e sdp_get_media_transport(sdp_t *sdp_p, uint16_t level); extern uint16_t sdp_get_media_num_profiles(sdp_t *sdp_p, uint16_t level); extern sdp_transport_e sdp_get_media_profile(sdp_t *sdp_p, uint16_t level, uint16_t profile_num); extern uint16_t sdp_get_media_num_payload_types(sdp_t *sdp_p, uint16_t level); extern uint16_t sdp_get_media_profile_num_payload_types(sdp_t *sdp_p, uint16_t level, uint16_t profile_num); extern rtp_ptype sdp_get_known_payload_type(sdp_t *sdp_p, uint16_t level, uint16_t payload_type_raw); extern uint32_t sdp_get_media_payload_type(sdp_t *sdp_p, uint16_t level, uint16_t payload_num, sdp_payload_ind_e *indicator); extern uint32_t sdp_get_media_profile_payload_type(sdp_t *sdp_p, uint16_t level, uint16_t prof_num, uint16_t payload_num, sdp_payload_ind_e *indicator); extern sdp_result_e sdp_insert_media_line(sdp_t *sdp_p, uint16_t level); extern sdp_result_e sdp_set_media_type(sdp_t *sdp_p, uint16_t level, sdp_media_e media); extern sdp_result_e sdp_set_media_portnum(sdp_t *sdp_p, uint16_t level, int32_t portnum, int32_t sctpport); extern int32_t sdp_get_media_sctp_port(sdp_t *sdp_p, uint16_t level); extern sdp_sctp_media_fmt_type_e sdp_get_media_sctp_fmt(sdp_t *sdp_p, uint16_t level); extern sdp_result_e sdp_set_media_transport(sdp_t *sdp_p, uint16_t level, sdp_transport_e transport); extern sdp_result_e sdp_add_media_profile(sdp_t *sdp_p, uint16_t level, sdp_transport_e profile); extern sdp_result_e sdp_add_media_payload_type(sdp_t *sdp_p, uint16_t level, uint16_t payload_type, sdp_payload_ind_e indicator); extern sdp_result_e sdp_add_media_profile_payload_type(sdp_t *sdp_p, uint16_t level, uint16_t prof_num, uint16_t payload_type, sdp_payload_ind_e indicator); /* sdp_attr_access.c */ extern sdp_attr_t *sdp_find_attr (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, sdp_attr_e attr_type, uint16_t inst_num); extern int sdp_find_fmtp_inst(sdp_t *sdp_ptr, uint16_t level, uint16_t payload_num); extern sdp_result_e sdp_add_new_attr(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, sdp_attr_e attr_type, uint16_t *inst_num); extern sdp_result_e sdp_attr_num_instances(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, sdp_attr_e attr_type, uint16_t *num_attr_inst); extern tinybool sdp_attr_valid(sdp_t *sdp_p, sdp_attr_e attr_type, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern uint32_t sdp_attr_line_number(sdp_t *sdp_p, sdp_attr_e attr_type, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern const char *sdp_attr_get_simple_string(sdp_t *sdp_p, sdp_attr_e attr_type, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern const char *sdp_attr_get_long_string(sdp_t *sdp_p, sdp_attr_e attr_type, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern uint32_t sdp_attr_get_simple_u32(sdp_t *sdp_p, sdp_attr_e attr_type, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern tinybool sdp_attr_get_simple_boolean(sdp_t *sdp_p, sdp_attr_e attr_type, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern tinybool sdp_attr_is_present (sdp_t *sdp_p, sdp_attr_e attr_type, uint16_t level, uint8_t cap_num); extern const char* sdp_attr_get_maxprate(sdp_t *sdp_p, uint16_t level, uint16_t inst_num); extern sdp_t38_ratemgmt_e sdp_attr_get_t38ratemgmt(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern sdp_t38_udpec_e sdp_attr_get_t38udpec(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern sdp_direction_e sdp_get_media_direction(sdp_t *sdp_p, uint16_t level, uint8_t cap_num); extern sdp_qos_strength_e sdp_attr_get_qos_strength(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, sdp_attr_e qos_attr, uint16_t inst_num); extern sdp_qos_status_types_e sdp_attr_get_qos_status_type (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, sdp_attr_e qos_attr, uint16_t inst_num); extern sdp_qos_dir_e sdp_attr_get_qos_direction(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, sdp_attr_e qos_attr, uint16_t inst_num); extern tinybool sdp_attr_get_qos_confirm(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, sdp_attr_e qos_attr, uint16_t inst_num); extern sdp_curr_type_e sdp_attr_get_curr_type (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, sdp_attr_e qos_attr, uint16_t inst_num); extern sdp_des_type_e sdp_attr_get_des_type (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, sdp_attr_e qos_attr, uint16_t inst_num); extern sdp_conf_type_e sdp_attr_get_conf_type (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, sdp_attr_e qos_attr, uint16_t inst_num); extern sdp_nettype_e sdp_attr_get_subnet_nettype(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern sdp_addrtype_e sdp_attr_get_subnet_addrtype(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern const char *sdp_attr_get_subnet_addr(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern int32_t sdp_attr_get_subnet_prefix(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern rtp_ptype sdp_attr_get_rtpmap_known_codec(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern tinybool sdp_attr_rtpmap_payload_valid(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t *inst_num, uint16_t payload_type); extern uint16_t sdp_attr_get_rtpmap_payload_type(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern const char *sdp_attr_get_rtpmap_encname(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern uint32_t sdp_attr_get_rtpmap_clockrate(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern uint16_t sdp_attr_get_rtpmap_num_chan(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern tinybool sdp_attr_sprtmap_payload_valid(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t *inst_num, uint16_t payload_type); extern uint16_t sdp_attr_get_sprtmap_payload_type(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern const char *sdp_attr_get_sprtmap_encname(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern uint32_t sdp_attr_get_sprtmap_clockrate(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern uint16_t sdp_attr_get_sprtmap_num_chan(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern tinybool sdp_attr_fmtp_payload_valid(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t *inst_num, uint16_t payload_type); extern uint16_t sdp_attr_get_fmtp_payload_type(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern sdp_ne_res_e sdp_attr_fmtp_is_range_set(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint8_t low_val, uint8_t high_val); extern tinybool sdp_attr_fmtp_valid(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint16_t appl_maxval, uint32_t* evt_array); extern sdp_result_e sdp_attr_set_fmtp_payload_type(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint16_t payload_num); extern sdp_result_e sdp_attr_get_fmtp_range(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint32_t *bmap); extern sdp_result_e sdp_attr_clear_fmtp_range(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint8_t low_val, uint8_t high_val); extern sdp_ne_res_e sdp_attr_compare_fmtp_ranges(sdp_t *src_sdp_ptr, sdp_t *dst_sdp_ptr, uint16_t src_level, uint16_t dst_level, uint8_t src_cap_num, uint8_t dst_cap_num, uint16_t src_inst_num, uint16_t dst_inst_num); extern sdp_result_e sdp_attr_copy_fmtp_ranges(sdp_t *src_sdp_ptr, sdp_t *dst_sdp_ptr, uint16_t src_level, uint16_t dst_level, uint8_t src_cap_num, uint8_t dst_cap_num, uint16_t src_inst_num, uint16_t dst_inst_num); extern uint32_t sdp_attr_get_fmtp_mode_for_payload_type (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint32_t payload_type); extern sdp_result_e sdp_attr_set_fmtp_max_fs (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint32_t max_fs); extern sdp_result_e sdp_attr_set_fmtp_max_fr (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint32_t max_fr); /* get routines */ extern int32_t sdp_attr_get_fmtp_bitrate_type (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern int32_t sdp_attr_get_fmtp_cif (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern int32_t sdp_attr_get_fmtp_qcif (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern int32_t sdp_attr_get_fmtp_sqcif (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern int32_t sdp_attr_get_fmtp_cif4 (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern int32_t sdp_attr_get_fmtp_cif16 (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern int32_t sdp_attr_get_fmtp_maxbr (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern sdp_result_e sdp_attr_get_fmtp_max_average_bitrate (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint32_t* val); extern sdp_result_e sdp_attr_get_fmtp_usedtx (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, tinybool* val); extern sdp_result_e sdp_attr_get_fmtp_stereo (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, tinybool* val); extern sdp_result_e sdp_attr_get_fmtp_useinbandfec (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, tinybool* val); extern char* sdp_attr_get_fmtp_maxcodedaudiobandwidth (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern sdp_result_e sdp_attr_get_fmtp_cbr (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, tinybool* val); extern int32_t sdp_attr_get_fmtp_custom_x (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern int32_t sdp_attr_get_fmtp_custom_y (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern int32_t sdp_attr_get_fmtp_custom_mpi (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern int32_t sdp_attr_get_fmtp_par_width (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern int32_t sdp_attr_get_fmtp_par_height (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern int32_t sdp_attr_get_fmtp_bpp (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern int32_t sdp_attr_get_fmtp_hrd (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern int32_t sdp_attr_get_fmtp_profile (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern int32_t sdp_attr_get_fmtp_level (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern tinybool sdp_attr_get_fmtp_interlace (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern tinybool sdp_attr_get_fmtp_annex_d (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern tinybool sdp_attr_get_fmtp_annex_f (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern tinybool sdp_attr_get_fmtp_annex_i (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern tinybool sdp_attr_get_fmtp_annex_j (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern tinybool sdp_attr_get_fmtp_annex_t (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern int32_t sdp_attr_get_fmtp_annex_k_val (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern int32_t sdp_attr_get_fmtp_annex_n_val (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern int32_t sdp_attr_get_fmtp_annex_p_picture_resize (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern int32_t sdp_attr_get_fmtp_annex_p_warp (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); /* sctpmap params */ extern uint16_t sdp_attr_get_sctpmap_port(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern sdp_result_e sdp_attr_get_sctpmap_protocol (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, char* protocol); extern sdp_result_e sdp_attr_get_sctpmap_streams (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint32_t* val); extern const char *sdp_attr_get_msid_identifier(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern const char *sdp_attr_get_msid_appdata(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); /* H.264 codec specific params */ extern const char *sdp_attr_get_fmtp_profile_id(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern const char *sdp_attr_get_fmtp_param_sets(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern sdp_result_e sdp_attr_get_fmtp_pack_mode (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint16_t *val); extern sdp_result_e sdp_attr_get_fmtp_level_asymmetry_allowed (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint16_t *val); extern sdp_result_e sdp_attr_get_fmtp_interleaving_depth (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint16_t *val); extern sdp_result_e sdp_attr_get_fmtp_max_don_diff (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint32_t *val); /* The following four H.264 parameters that require special handling as * the values range from 0 - 4294967295 */ extern sdp_result_e sdp_attr_get_fmtp_deint_buf_req (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint32_t *val); extern sdp_result_e sdp_attr_get_fmtp_deint_buf_cap (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint32_t *val); extern sdp_result_e sdp_attr_get_fmtp_init_buf_time (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint32_t *val); extern sdp_result_e sdp_attr_get_fmtp_max_rcmd_nalu_size (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint32_t *val); extern sdp_result_e sdp_attr_get_fmtp_max_mbps (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint32_t *val); extern sdp_result_e sdp_attr_get_fmtp_max_fs (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint32_t *val); extern sdp_result_e sdp_attr_get_fmtp_max_fr (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint32_t *val); extern sdp_result_e sdp_attr_get_fmtp_max_cpb (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint32_t *val); extern sdp_result_e sdp_attr_get_fmtp_max_dpb (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint32_t *val); extern sdp_result_e sdp_attr_get_fmtp_max_br (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint32_t *val); extern tinybool sdp_attr_fmtp_is_redundant_pic_cap (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern tinybool sdp_attr_fmtp_is_parameter_add (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern tinybool sdp_attr_fmtp_is_annexa_set (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern tinybool sdp_attr_fmtp_is_annexb_set (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern sdp_fmtp_format_type_e sdp_attr_fmtp_get_fmtp_format (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern uint16_t sdp_attr_get_pccodec_num_payload_types(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern uint16_t sdp_attr_get_pccodec_payload_type(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint16_t payload_num); extern sdp_result_e sdp_attr_add_pccodec_payload_type(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint16_t payload_type); extern uint16_t sdp_attr_get_xcap_first_cap_num(sdp_t *sdp_p, uint16_t level, uint16_t inst_num); extern sdp_media_e sdp_attr_get_xcap_media_type(sdp_t *sdp_p, uint16_t level, uint16_t inst_num); extern sdp_transport_e sdp_attr_get_xcap_transport_type(sdp_t *sdp_p, uint16_t level, uint16_t inst_num); extern uint16_t sdp_attr_get_xcap_num_payload_types(sdp_t *sdp_p, uint16_t level, uint16_t inst_num); extern uint16_t sdp_attr_get_xcap_payload_type(sdp_t *sdp_p, uint16_t level, uint16_t inst_num, uint16_t payload_num, sdp_payload_ind_e *indicator); extern sdp_result_e sdp_attr_add_xcap_payload_type(sdp_t *sdp_p, uint16_t level, uint16_t inst_num, uint16_t payload_type, sdp_payload_ind_e indicator); extern uint16_t sdp_attr_get_cdsc_first_cap_num(sdp_t *sdp_p, uint16_t level, uint16_t inst_num); extern sdp_media_e sdp_attr_get_cdsc_media_type(sdp_t *sdp_p, uint16_t level, uint16_t inst_num); extern sdp_transport_e sdp_attr_get_cdsc_transport_type(sdp_t *sdp_p, uint16_t level, uint16_t inst_num); extern uint16_t sdp_attr_get_cdsc_num_payload_types(sdp_t *sdp_p, uint16_t level, uint16_t inst_num); extern uint16_t sdp_attr_get_cdsc_payload_type(sdp_t *sdp_p, uint16_t level, uint16_t inst_num, uint16_t payload_num, sdp_payload_ind_e *indicator); extern sdp_result_e sdp_attr_add_cdsc_payload_type(sdp_t *sdp_p, uint16_t level, uint16_t inst_num, uint16_t payload_type, sdp_payload_ind_e indicator); extern tinybool sdp_media_dynamic_payload_valid (sdp_t *sdp_p, uint16_t payload_type, uint16_t m_line); extern tinybool sdp_attr_get_rtr_confirm (sdp_t *, uint16_t, uint8_t, uint16_t); extern tinybool sdp_attr_get_silencesupp_enabled(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern uint16_t sdp_attr_get_silencesupp_timer(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, tinybool *null_ind); extern sdp_silencesupp_pref_e sdp_attr_get_silencesupp_pref(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern sdp_silencesupp_siduse_e sdp_attr_get_silencesupp_siduse(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern uint8_t sdp_attr_get_silencesupp_fxnslevel(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, tinybool *null_ind); extern sdp_mediadir_role_e sdp_attr_get_comediadir_role(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern uint16_t sdp_attr_get_mptime_num_intervals( sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern uint16_t sdp_attr_get_mptime_interval( sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint16_t interval_num); extern sdp_result_e sdp_attr_add_mptime_interval( sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint16_t interval); extern sdp_result_e sdp_copy_all_bw_lines(sdp_t *src_sdp_ptr, sdp_t *dst_sdp_ptr, uint16_t src_level, uint16_t dst_level); extern sdp_bw_modifier_e sdp_get_bw_modifier(sdp_t *sdp_p, uint16_t level, uint16_t inst_num); extern const char *sdp_get_bw_modifier_name(sdp_bw_modifier_e bw_modifier); extern int32_t sdp_get_bw_value(sdp_t *sdp_p, uint16_t level, uint16_t inst_num); extern int32_t sdp_get_num_bw_lines (sdp_t *sdp_p, uint16_t level); extern sdp_result_e sdp_add_new_bw_line(sdp_t *sdp_p, uint16_t level, sdp_bw_modifier_e bw_modifier, uint16_t *inst_num); extern sdp_group_attr_e sdp_get_group_attr(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern const char* sdp_attr_get_x_sidout (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern const char* sdp_attr_get_x_sidin (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern const char* sdp_attr_get_x_confid (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern uint16_t sdp_get_group_num_id(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern const char* sdp_get_group_id(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint16_t id_num); extern int32_t sdp_get_mid_value(sdp_t *sdp_p, uint16_t level); extern sdp_result_e sdp_include_new_filter_src_addr(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, const char *src_addr); extern sdp_src_filter_mode_e sdp_get_source_filter_mode(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern sdp_result_e sdp_get_filter_destination_attributes(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, sdp_nettype_e *nettype, sdp_addrtype_e *addrtype, char *dest_addr); extern int32_t sdp_get_filter_source_address_count(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern sdp_result_e sdp_get_filter_source_address (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, uint16_t src_addr_id, char *src_addr); extern sdp_rtcp_unicast_mode_e sdp_get_rtcp_unicast_mode(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); void sdp_crypto_debug(char *buffer, ulong length_bytes); char * sdp_debug_msg_filter(char *buffer, ulong length_bytes); extern int32_t sdp_attr_get_sdescriptions_tag(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern sdp_srtp_crypto_suite_t sdp_attr_get_sdescriptions_crypto_suite(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern const char* sdp_attr_get_sdescriptions_key(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern const char* sdp_attr_get_sdescriptions_salt(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern const char* sdp_attr_get_sdescriptions_lifetime(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern sdp_result_e sdp_attr_get_sdescriptions_mki(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, const char **mki_value, uint16_t *mki_length); extern const char* sdp_attr_get_sdescriptions_session_params(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern unsigned char sdp_attr_get_sdescriptions_key_size(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern unsigned char sdp_attr_get_sdescriptions_salt_size(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); extern unsigned long sdp_attr_get_srtp_crypto_selection_flags(sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num); sdp_result_e sdp_attr_get_ice_attribute (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, sdp_attr_e sdp_attr, uint16_t inst_num, char **out); sdp_result_e sdp_attr_get_rtcp_mux_attribute (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, sdp_attr_e sdp_attr, uint16_t inst_num, tinybool *rtcp_mux); sdp_result_e sdp_attr_get_setup_attribute (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, sdp_setup_type_e *setup_type); sdp_result_e sdp_attr_get_connection_attribute (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, uint16_t inst_num, sdp_connection_type_e *connection_type); sdp_result_e sdp_attr_get_dtls_fingerprint_attribute (sdp_t *sdp_p, uint16_t level, uint8_t cap_num, sdp_attr_e sdp_attr, uint16_t inst_num, char **out); sdp_rtcp_fb_ack_type_e sdp_attr_get_rtcp_fb_ack(sdp_t *sdp_p, uint16_t level, uint16_t payload_type, uint16_t inst); sdp_rtcp_fb_nack_type_e sdp_attr_get_rtcp_fb_nack(sdp_t *sdp_p, uint16_t level, uint16_t payload_type, uint16_t inst); uint32_t sdp_attr_get_rtcp_fb_trr_int(sdp_t *sdp_p, uint16_t level, uint16_t payload_type, uint16_t inst); tinybool sdp_attr_get_rtcp_fb_remb_enabled(sdp_t *sdp_p, uint16_t level, uint16_t payload_type); sdp_rtcp_fb_ccm_type_e sdp_attr_get_rtcp_fb_ccm(sdp_t *sdp_p, uint16_t level, uint16_t payload_type, uint16_t inst); sdp_result_e sdp_attr_set_rtcp_fb_ack(sdp_t *sdp_p, uint16_t level, uint16_t payload_type, uint16_t inst, sdp_rtcp_fb_ack_type_e type); sdp_result_e sdp_attr_set_rtcp_fb_nack(sdp_t *sdp_p, uint16_t level, uint16_t payload_type, uint16_t inst, sdp_rtcp_fb_nack_type_e); sdp_result_e sdp_attr_set_rtcp_fb_trr_int(sdp_t *sdp_p, uint16_t level, uint16_t payload_type, uint16_t inst, uint32_t interval); sdp_result_e sdp_attr_set_rtcp_fb_remb(sdp_t *sdp_p, uint16_t level, uint16_t payload_type, uint16_t inst); sdp_result_e sdp_attr_set_rtcp_fb_ccm(sdp_t *sdp_p, uint16_t level, uint16_t payload_type, uint16_t inst, sdp_rtcp_fb_ccm_type_e); const char * sdp_attr_get_extmap_uri(sdp_t *sdp_p, uint16_t level, uint16_t inst); uint16_t sdp_attr_get_extmap_id(sdp_t *sdp_p, uint16_t level, uint16_t inst); sdp_result_e sdp_attr_set_extmap(sdp_t *sdp_p, uint16_t level, uint16_t id, const char* uri, uint16_t inst); #endif /* _SDP_H_ */