freeswitch/libs/sipcc/core/sdp/sdp.h

2011 lines
87 KiB
C

/* 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 _SDP_H_
#define _SDP_H_
#include "cc_constants.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 u16, but is represented
* by an int32.
*/
#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"
/*
* 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
/*
* 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))
/* 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_SCTPDTLS,
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, /* <port> or '$' */
SDP_PORT_NUM_COUNT, /* <port>/<number of ports> */
SDP_PORT_VPI_VCI, /* <vpi>/<vci> */
SDP_PORT_VCCI, /* <vcci> */
SDP_PORT_NUM_VPI_VCI, /* <port>/<vpi>/<vci> */
SDP_PORT_VCCI_CID, /* <vcci>/<cid> or '$'/'$' */
SDP_PORT_NUM_VPI_VCI_CID, /* <port>/<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_STREAMS,
SDP_PROTOCOL,
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_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;
/*
* 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_<crypto_suite>_KEY_BYTES
* The size of a master key for <crypto_suite> in bytes.
*
* SDP_SRTP_<crypto_suite>_SALT_BYTES
* The size of a master salt for <crypto_suite> 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_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 <token>= */
#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_MAX_LEVEL_ASYMMETRY_ALLOWED_VALUE 1 /* max level asymmetry allowed value for H.264 */
#define SDP_DEFAULT_LEVEL_ASYMMETRY_ALLOWED_VALUE 1 /* 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_GROUP_STREAM_ID 10
#define SDP_MAGIC_NUM 0xabcdabcd
#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;
u8 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;
u16 ttl;
u16 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(u32) * 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
typedef struct sdp_fmtp {
u16 payload_num;
u32 maxval; /* maxval optimizes bmap search */
u32 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;
u32 bitrate;
u32 mode;
/* some OPUS specific fmtp params */
u32 maxaveragebitrate;
u16 usedtx;
u16 stereo;
u16 useinbandfec;
char maxcodedaudiobandwidth[SDP_MAX_STRING_LEN+1];
u16 cbr;
/* some Data Channel specific fmtp params */
u16 streams; /* Num streams per Data Channel */
char protocol[SDP_MAX_STRING_LEN+1];
/* BEGIN - All Video related FMTP parameters */
u16 qcif;
u16 cif;
u16 maxbr;
u16 sqcif;
u16 cif4;
u16 cif16;
u16 custom_x;
u16 custom_y;
u16 custom_mpi;
/* CUSTOM=360,240,4 implies X-AXIS=360, Y-AXIS=240; MPI=4 */
u16 par_width;
u16 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 u16 */
/* For portable stack, CPCF should be defined as float and the parsing should
* be modified accordingly */
u16 cpcf;
u16 bpp;
u16 hrd;
int16 profile;
int16 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];
u16 packetization_mode;
u16 level_asymmetry_allowed;
u16 interleaving_depth;
u32 deint_buf_req;
u32 max_don_diff;
u32 init_buf_time;
u32 max_mbps;
u32 max_fs;
u32 max_cpb;
u32 max_dpb;
u32 max_br;
tinybool redundant_pic_cap;
u32 deint_buf_cap;
u32 max_rcmd_nalu_size;
tinybool 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 */
u16 annex_k_val;
u16 annex_n_val;
/* Annex P can take one or more values in the range 1-4 . e.g P=1,3 */
u16 annex_p_val_picture_resize; /* 1 = four; 2 = sixteenth */
u16 annex_p_val_warp; /* 3 = half; 4=sixteenth */
u8 flag;
/* END - All Video related FMTP parameters */
} sdp_fmtp_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 {
u16 payload_num;
char encname[SDP_MAX_STRING_LEN+1];
u32 clockrate;
u16 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 prefix;
} sdp_subnet_t;
/* a=X-pc-codec info */
typedef struct sdp_pccodec {
u16 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;
u32 src_port;
} sdp_comediadir_t;
/* a=silenceSupp info */
typedef struct sdp_silencesupp {
tinybool enabled;
tinybool timer_null;
u16 timer;
sdp_silencesupp_pref_e pref;
sdp_silencesupp_siduse_e siduse;
tinybool fxnslevel_null;
u8 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 {
u16 num_intervals;
ushort intervals[SDP_MAX_PAYLOAD_TYPES];
} sdp_mptime_t;
/*
* a=X-sidin:<val>, a=X-sidout:< val> and a=X-confid: <val>
* 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 */
u16 num_group_id;
u16 group_id_arr[SDP_MAX_GROUP_STREAM_ID];
} sdp_stream_data_t;
/*
* a=source-filter:<filter-mode> <filter-spec>
* <filter-spec> = <nettype> <addrtype> <dest-addr> <src_addr><src_addr>...
* 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];
u16 num_src_addr;
char src_list[SDP_MAX_SRC_ADDR_LIST+1][SDP_MAX_STRING_LEN+1];
} sdp_source_filter_t;
/*
* b=<bw-modifier>:<val>
*
*/
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 {
u16 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 {
u16 num_profiles;
sdp_transport_e profile[SDP_MAX_PROFILES+1];
u16 num_payloads[SDP_MAX_PROFILES];
sdp_payload_ind_e payload_indicator[SDP_MAX_PROFILES][SDP_MAX_PAYLOAD_TYPES];
u16 payload_type[SDP_MAX_PROFILES][SDP_MAX_PAYLOAD_TYPES];
} sdp_media_profiles_t;
/*
* sdp_srtp_crypto_context_t
* This type is used to hold cryptographic context information.
*
*/
typedef struct sdp_srtp_crypto_context_t_ {
int32 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];
u16 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 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 port;
int32 sctpport;
int32 num_ports;
int32 vpi;
u32 vci; /* VCI needs to be 32-bit */
int32 vcci;
int32 cid;
u16 num_payloads;
sdp_payload_ind_e payload_indicator[SDP_MAX_PAYLOAD_TYPES];
u16 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 */
u32 mid;
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;
union {
tinybool boolean_val;
u32 u32_val;
char string_val[SDP_MAX_STRING_LEN+1];
char ice_attr[SDP_MAX_STRING_LEN+1];
sdp_fmtp_t fmtp;
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;
char unknown[SDP_MAX_STRING_LEN+1];
sdp_source_filter_t source_filter;
} 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;
/* Application configuration options */
typedef struct sdp_conf_options {
u32 magic_num;
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 */
u32 num_builds;
u32 num_parses;
u32 num_not_sdp_desc;
u32 num_invalid_token_order;
u32 num_invalid_param;
u32 num_no_resource;
struct sdp_conf_options *next_p;
} 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 {
char peerconnection[PC_HANDLE_SIZE];
u32 magic_num;
sdp_conf_options_t *conf_p;
tinybool debug_flag[SDP_MAX_DEBUG_TYPES];
char debug_str[SDP_MAX_STRING_LEN+1];
u32 debug_id;
int32 version; /* version is really a u16 */
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. */
u16 cur_cap_num;
sdp_mca_t *cur_cap_p;
/* Info to help parsing X-cpar attrs. */
u16 cap_valid;
u16 last_cap_inst;
/* Info to help building X-cpar/cpar attrs. */
sdp_attr_e last_cap_type;
/* 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, u16 level, const char *ptr);
sdp_result_e (*build_func)(sdp_t *sdp_p, u16 level, flex_string *fs);
} sdp_tokenarray_t;
/* Attribute processing table. */
typedef struct {
char *name;
u16 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 void *sdp_init_config(void);
extern void sdp_appl_debug(void *config_p, sdp_debug_e debug_type,
tinybool debug_flag);
extern void sdp_require_version(void *config_p, tinybool version_required);
extern void sdp_require_owner(void *config_p, tinybool owner_required);
extern void sdp_require_session_name(void *config_p,
tinybool sess_name_required);
extern void sdp_require_timespec(void *config_p, tinybool timespec_required);
extern void sdp_media_supported(void *config_p, sdp_media_e media_type,
tinybool media_supported);
extern void sdp_nettype_supported(void *config_p, sdp_nettype_e nettype,
tinybool nettype_supported);
extern void sdp_addrtype_supported(void *config_p, sdp_addrtype_e addrtype,
tinybool addrtype_supported);
extern void sdp_transport_supported(void *config_p, sdp_transport_e transport,
tinybool transport_supported);
extern void sdp_allow_choose(void *config_p, sdp_choose_param_e param,
tinybool choose_allowed);
/* sdp_main.c */
extern sdp_t *sdp_init_description(const char *peerconnection, void *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, char **bufp, u16 len);
extern sdp_result_e sdp_build(sdp_t *sdp_ptr, flex_string *fs);
extern sdp_t *sdp_copy(sdp_t *sdp_ptr);
extern sdp_result_e sdp_free_description(sdp_t *sdp_ptr);
extern void sdp_parse_error(const char *peerconnection, const char *format, ...);
extern const char *sdp_get_result_name(sdp_result_e rc);
/* sdp_access.c */
extern tinybool sdp_version_valid(void *sdp_p);
extern int32 sdp_get_version(void *sdp_p);
extern sdp_result_e sdp_set_version(void *sdp_p, int32 version);
extern tinybool sdp_owner_valid(void *sdp_p);
extern const char *sdp_get_owner_username(void *sdp_p);
extern const char *sdp_get_owner_sessionid(void *sdp_p);
extern const char *sdp_get_owner_version(void *sdp_p);
extern sdp_nettype_e sdp_get_owner_network_type(void *sdp_p);
extern sdp_addrtype_e sdp_get_owner_address_type(void *sdp_p);
extern const char *sdp_get_owner_address(void *sdp_p);
extern sdp_result_e sdp_set_owner_username(void *sdp_p, const char *username);
extern sdp_result_e sdp_set_owner_sessionid(void *sdp_p, const char *sessid);
extern sdp_result_e sdp_set_owner_version(void *sdp_p, const char *version);
extern sdp_result_e sdp_set_owner_network_type(void *sdp_p,
sdp_nettype_e network_type);
extern sdp_result_e sdp_set_owner_address_type(void *sdp_p,
sdp_addrtype_e address_type);
extern sdp_result_e sdp_set_owner_address(void *sdp_p, const char *address);
extern tinybool sdp_session_name_valid(void *sdp_p);
extern const char *sdp_get_session_name(void *sdp_p);
extern sdp_result_e sdp_set_session_name(void *sdp_p, const char *sessname);
extern tinybool sdp_timespec_valid(void *sdp_ptr);
extern const char *sdp_get_time_start(void *sdp_ptr);
extern const char *sdp_get_time_stop(void *sdp_ptr);
sdp_result_e sdp_set_time_start(void *sdp_ptr, const char *start_time);
sdp_result_e sdp_set_time_stop(void *sdp_ptr, const char *stop_time);
extern tinybool sdp_encryption_valid(void *sdp_ptr, u16 level);
extern sdp_encrypt_type_e sdp_get_encryption_method(void *sdp_ptr, u16 level);
extern const char *sdp_get_encryption_key(void *sdp_ptr, u16 level);
extern sdp_result_e sdp_set_encryption_method(void *sdp_ptr, u16 level,
sdp_encrypt_type_e method);
extern sdp_result_e sdp_set_encryption_key(void *sdp_ptr, u16 level,
const char *key);
extern tinybool sdp_connection_valid(void *sdp_p, u16 level);
extern tinybool sdp_bw_line_exists(void *sdp_ptr, u16 level, u16 inst_num);
extern tinybool sdp_bandwidth_valid(void *sdp_p, u16 level, u16 inst_num);
extern sdp_nettype_e sdp_get_conn_nettype(void *sdp_p, u16 level);
extern sdp_addrtype_e sdp_get_conn_addrtype(void *sdp_p, u16 level);
extern const char *sdp_get_conn_address(void *sdp_p, u16 level);
extern tinybool sdp_is_mcast_addr (void *sdp_ptr, u16 level);
extern int32 sdp_get_mcast_ttl(void *sdp_ptr, u16 level);
extern int32 sdp_get_mcast_num_of_addresses(void *sdp_ptr, u16 level);
extern sdp_result_e sdp_set_conn_nettype(void *sdp_p, u16 level,
sdp_nettype_e nettype);
extern sdp_result_e sdp_set_conn_addrtype(void *sdp_p, u16 level,
sdp_addrtype_e addrtype);
extern sdp_result_e sdp_set_conn_address(void *sdp_p, u16 level,
const char *address);
extern sdp_result_e sdp_set_mcast_addr_fields(void *sdp_ptr, u16 level,
u16 ttl, u16 num_addr);
extern tinybool sdp_media_line_valid(void *sdp_ptr, u16 level);
extern u16 sdp_get_num_media_lines(void *sdp_ptr);
extern sdp_media_e sdp_get_media_type(void *sdp_ptr, u16 level);
extern sdp_port_format_e sdp_get_media_port_format(void *sdp_ptr, u16 level);
extern int32 sdp_get_media_portnum(void *sdp_ptr, u16 level);
extern int32 sdp_get_media_portcount(void *sdp_ptr, u16 level);
extern int32 sdp_get_media_vpi(void *sdp_ptr, u16 level);
extern u32 sdp_get_media_vci(void *sdp_ptr, u16 level);
extern int32 sdp_get_media_vcci(void *sdp_ptr, u16 level);
extern int32 sdp_get_media_cid(void *sdp_ptr, u16 level);
extern sdp_transport_e sdp_get_media_transport(void *sdp_ptr, u16 level);
extern u16 sdp_get_media_num_profiles(void *sdp_ptr, u16 level);
extern sdp_transport_e sdp_get_media_profile(void *sdp_ptr, u16 level,
u16 profile_num);
extern u16 sdp_get_media_num_payload_types(void *sdp_ptr, u16 level);
extern u16 sdp_get_media_profile_num_payload_types(void *sdp_ptr, u16 level,
u16 profile_num);
extern u32 sdp_get_media_payload_type(void *sdp_ptr, u16 level,
u16 payload_num, sdp_payload_ind_e *indicator);
extern u32 sdp_get_media_profile_payload_type(void *sdp_ptr, u16 level,
u16 prof_num, u16 payload_num, sdp_payload_ind_e *indicator);
extern sdp_result_e sdp_insert_media_line(void *sdp_ptr, u16 level);
extern void sdp_delete_media_line(void *sdp_ptr, u16 level);
extern sdp_result_e sdp_set_media_type(void *sdp_ptr, u16 level,
sdp_media_e media);
extern sdp_result_e sdp_set_media_port_format(void *sdp_ptr, u16 level,
sdp_port_format_e port_format);
extern sdp_result_e sdp_set_media_portnum(void *sdp_ptr, u16 level,
int32 portnum, int32 sctpport);
extern sdp_result_e sdp_set_media_portcount(void *sdp_ptr, u16 level,
int32 num_ports);
extern sdp_result_e sdp_set_media_vpi(void *sdp_ptr, u16 level, int32 vpi);
extern sdp_result_e sdp_set_media_vci(void *sdp_ptr, u16 level, u32 vci);
extern sdp_result_e sdp_set_media_vcci(void *sdp_ptr, u16 level, int32 vcci);
extern sdp_result_e sdp_set_media_cid(void *sdp_ptr, u16 level, int32 cid);
extern sdp_result_e sdp_set_media_transport(void *sdp_ptr, u16 level,
sdp_transport_e transport);
extern sdp_result_e sdp_add_media_profile(void *sdp_ptr, u16 level,
sdp_transport_e profile);
extern sdp_result_e sdp_add_media_payload_type(void *sdp_ptr, u16 level,
u16 payload_type, sdp_payload_ind_e indicator);
extern sdp_result_e sdp_add_media_profile_payload_type(void *sdp_ptr,
u16 level, u16 prof_num, u16 payload_type,
sdp_payload_ind_e indicator);
/* sdp_attr_access.c */
extern sdp_result_e sdp_add_new_attr(void *sdp_ptr, u16 level, u8 cap_num,
sdp_attr_e attr_type, u16 *inst_num);
extern sdp_result_e sdp_copy_attr (void *src_sdp_ptr, void *dst_sdp_ptr,
u16 src_level, u16 dst_level,
u8 src_cap_num, u8 dst_cap_num,
sdp_attr_e src_attr_type, u16 src_inst_num);
extern sdp_result_e sdp_copy_all_attrs(void *src_sdp_ptr, void *dst_sdp_ptr,
u16 src_level, u16 dst_level);
extern sdp_result_e sdp_attr_num_instances(void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e attr_type, u16 *num_attr_inst);
extern sdp_result_e sdp_get_total_attrs(void *sdp_ptr, u16 level, u8 cap_num,
u16 *num_attrs);
extern sdp_result_e sdp_get_attr_type(void *sdp_ptr, u16 level, u8 cap_num,
u16 attr_num, sdp_attr_e *attr_type, u16 *inst_num);
extern sdp_result_e sdp_delete_attr(void *sdp_ptr, u16 level, u8 cap_num,
sdp_attr_e attr_type, u16 inst_num);
extern sdp_result_e sdp_delete_all_attrs(void *sdp_ptr, u16 level, u8 cap_num);
extern tinybool sdp_attr_valid(void *sdp_ptr, sdp_attr_e attr_type,
u16 level, u8 cap_num, u16 inst_num);
extern const char *sdp_attr_get_simple_string(void *sdp_ptr,
sdp_attr_e attr_type, u16 level, u8 cap_num, u16 inst_num);
extern sdp_result_e sdp_attr_set_simple_string(void *sdp_ptr,
sdp_attr_e attr_type, u16 level,
u8 cap_num, u16 inst_num, const char *string_parm);
extern u32 sdp_attr_get_simple_u32(void *sdp_ptr, sdp_attr_e attr_type,
u16 level, u8 cap_num, u16 inst_num);
extern sdp_result_e sdp_attr_set_simple_u32(void *sdp_ptr,
sdp_attr_e attr_type, u16 level,
u8 cap_num, u16 inst_num, u32 num_parm);
extern tinybool sdp_attr_get_simple_boolean(void *sdp_ptr,
sdp_attr_e attr_type, u16 level, u8 cap_num, u16 inst_num);
extern sdp_result_e sdp_attr_set_simple_boolean(void *sdp_ptr,
sdp_attr_e attr_type, u16 level, u8 cap_num,
u16 inst_num, u32 bool_parm);
extern const char* sdp_attr_get_maxprate(void *sdp_ptr, u16 level,
u16 inst_num);
extern sdp_result_e sdp_attr_set_maxprate(void *sdp_ptr, u16 level,
u16 inst_num, const char *string_parm);
extern sdp_t38_ratemgmt_e sdp_attr_get_t38ratemgmt(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern sdp_result_e sdp_attr_set_t38ratemgmt(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
sdp_t38_ratemgmt_e t38ratemgmt);
extern sdp_t38_udpec_e sdp_attr_get_t38udpec(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern sdp_result_e sdp_attr_set_t38udpec(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
sdp_t38_udpec_e t38udpec);
extern sdp_direction_e sdp_get_media_direction(void *sdp_ptr, u16 level,
u8 cap_num);
extern sdp_qos_strength_e sdp_attr_get_qos_strength(void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e qos_attr, u16 inst_num);
extern sdp_qos_status_types_e sdp_attr_get_qos_status_type (void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e qos_attr, u16 inst_num);
extern sdp_qos_dir_e sdp_attr_get_qos_direction(void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e qos_attr, u16 inst_num);
extern tinybool sdp_attr_get_qos_confirm(void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e qos_attr, u16 inst_num);
extern sdp_curr_type_e sdp_attr_get_curr_type (void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e qos_attr, u16 inst_num);
extern sdp_des_type_e sdp_attr_get_des_type (void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e qos_attr, u16 inst_num);
extern sdp_conf_type_e sdp_attr_get_conf_type (void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e qos_attr, u16 inst_num);
extern sdp_result_e sdp_attr_set_conf_type (void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e qos_attr, u16 inst_num,
sdp_conf_type_e conf_type);
extern sdp_result_e sdp_attr_set_des_type (void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e qos_attr, u16 inst_num,
sdp_des_type_e des_type);
extern sdp_result_e sdp_attr_set_curr_type (void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e qos_attr, u16 inst_num,
sdp_curr_type_e curr_type);
extern sdp_result_e sdp_attr_set_qos_strength(void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e qos_attr, u16 inst_num,
sdp_qos_strength_e strength);
extern sdp_result_e sdp_attr_set_qos_direction(void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e qos_attr, u16 inst_num,
sdp_qos_dir_e direction);
extern sdp_result_e sdp_attr_set_qos_status_type(void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e qos_attr, u16 inst_num,
sdp_qos_status_types_e status_type);
extern sdp_result_e sdp_attr_set_qos_confirm(void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e qos_attr, u16 inst_num,
tinybool confirm);
extern sdp_nettype_e sdp_attr_get_subnet_nettype(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern sdp_addrtype_e sdp_attr_get_subnet_addrtype(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern const char *sdp_attr_get_subnet_addr(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern int32 sdp_attr_get_subnet_prefix(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern sdp_result_e sdp_attr_set_subnet_nettype(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
sdp_nettype_e nettype);
extern sdp_result_e sdp_attr_set_subnet_addrtype(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
sdp_addrtype_e addrtype);
extern sdp_result_e sdp_attr_set_subnet_addr(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
const char *addr);
extern sdp_result_e sdp_attr_set_subnet_prefix(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
int32 prefix);
extern tinybool sdp_attr_rtpmap_payload_valid(void *sdp_ptr, u16 level,
u8 cap_num, u16 *inst_num, u16 payload_type);
extern u16 sdp_attr_get_rtpmap_payload_type(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern const char *sdp_attr_get_rtpmap_encname(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern u32 sdp_attr_get_rtpmap_clockrate(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern u16 sdp_attr_get_rtpmap_num_chan(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern sdp_result_e sdp_attr_set_rtpmap_payload_type(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u16 payload_num);
extern sdp_result_e sdp_attr_set_rtpmap_encname(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, const char *encname);
extern sdp_result_e sdp_attr_set_rtpmap_clockrate(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u32 clockrate);
extern sdp_result_e sdp_attr_set_rtpmap_num_chan(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, u16 num_chan);
extern tinybool sdp_attr_sprtmap_payload_valid(void *sdp_ptr, u16 level,
u8 cap_num, u16 *inst_num, u16 payload_type);
extern u16 sdp_attr_get_sprtmap_payload_type(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern const char *sdp_attr_get_sprtmap_encname(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern u32 sdp_attr_get_sprtmap_clockrate(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern u16 sdp_attr_get_sprtmap_num_chan(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern sdp_result_e sdp_attr_set_sprtmap_payload_type(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u16 payload_num);
extern sdp_result_e sdp_attr_set_sprtmap_encname(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, const char *encname);
extern sdp_result_e sdp_attr_set_sprtmap_clockrate(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u16 clockrate);
extern sdp_result_e sdp_attr_set_sprtmap_num_chan(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, u16 num_chan);
extern tinybool sdp_attr_fmtp_payload_valid(void *sdp_ptr, u16 level,
u8 cap_num, u16 *inst_num, u16 payload_type);
extern u16 sdp_attr_get_fmtp_payload_type(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern sdp_ne_res_e sdp_attr_fmtp_is_range_set(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, u8 low_val, u8 high_val);
extern tinybool sdp_attr_fmtp_valid(void *sdp_ptr, u16 level, u8 cap_num,
u16 inst_num, u16 appl_maxval, u32* evt_array);
extern sdp_result_e sdp_attr_set_fmtp_payload_type(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u16 payload_num);
extern sdp_result_e sdp_attr_get_fmtp_range(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, u32 *bmap);
extern sdp_result_e sdp_attr_set_fmtp_range(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, u8 low_val, u8 high_val);
extern sdp_result_e sdp_attr_set_fmtp_bitmap(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, u32 *bmap, u32 maxval);
extern sdp_result_e sdp_attr_clear_fmtp_range(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, u8 low_val, u8 high_val);
extern sdp_ne_res_e sdp_attr_compare_fmtp_ranges(void *src_sdp_ptr,
void *dst_sdp_ptr, u16 src_level, u16 dst_level,
u8 src_cap_num, u8 dst_cap_num, u16 src_inst_num,
u16 dst_inst_num);
extern sdp_result_e sdp_attr_copy_fmtp_ranges(void *src_sdp_ptr,
void *dst_sdp_ptr, u16 src_level, u16 dst_level,
u8 src_cap_num, u8 dst_cap_num, u16 src_inst_num,
u16 dst_inst_num);
extern sdp_result_e sdp_attr_set_fmtp_annexa (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
tinybool annexa);
extern sdp_result_e sdp_attr_set_fmtp_mode(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u32 mode);
extern u32 sdp_attr_get_fmtp_mode_for_payload_type (void *sdp_ptr, u16 level,
u8 cap_num, u32 payload_type);
extern sdp_result_e sdp_attr_set_fmtp_annexb (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
tinybool annexb);
extern sdp_result_e sdp_attr_set_fmtp_bitrate_type (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u32 bitrate);
extern sdp_result_e sdp_attr_set_fmtp_cif (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u16 cif);
extern sdp_result_e sdp_attr_set_fmtp_qcif (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u16 qcif);
extern sdp_result_e sdp_attr_set_fmtp_sqcif (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u16 sqcif);
extern sdp_result_e sdp_attr_set_fmtp_cif4 (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u16 cif4);
extern sdp_result_e sdp_attr_set_fmtp_cif16 (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u16 cif16);
extern sdp_result_e sdp_attr_set_fmtp_maxbr (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u16 maxbr);
extern sdp_result_e sdp_attr_set_fmtp_max_average_bitrate (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u32 maxaveragebitrate);
extern sdp_result_e sdp_attr_set_fmtp_usedtx (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
tinybool usedtx);
extern sdp_result_e sdp_attr_set_fmtp_stereo (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
tinybool stereo);
extern sdp_result_e sdp_attr_set_fmtp_useinbandfec (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
tinybool useinbandfec);
extern sdp_result_e sdp_attr_set_fmtp_maxcodedaudiobandwidth (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
const char *maxcodedaudiobandwidth);
extern sdp_result_e sdp_attr_set_fmtp_cbr (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
tinybool cbr);
extern sdp_result_e sdp_attr_set_fmtp_custom (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u16 custom_x, u16 custom_y,
u16 custom_mpi);
extern sdp_result_e sdp_attr_set_fmtp_par (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u16 par_width, u16 par_height);
extern sdp_result_e sdp_attr_set_fmtp_bpp (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u16 bpp);
extern sdp_result_e sdp_attr_set_fmtp_hrd (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u16 hrd);
extern sdp_result_e sdp_attr_set_fmtp_h263_num_params (void *sdp_ptr,
int16 level,
u8 cap_num,
u16 inst_num,
int16 profile,
u16 h263_level,
tinybool interlace);
extern sdp_result_e sdp_attr_set_fmtp_profile_level_id (void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num,
const char *prof_id);
extern sdp_result_e sdp_attr_set_fmtp_parameter_sets (void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num,
const char *parameter_sets);
extern sdp_result_e sdp_attr_set_fmtp_deint_buf_req (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u32 deint_buf_req);
extern sdp_result_e sdp_attr_set_fmtp_init_buf_time (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u32 init_buf_time);
extern sdp_result_e sdp_attr_set_fmtp_max_don_diff (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u32 max_don_diff);
extern sdp_result_e sdp_attr_set_fmtp_interleaving_depth (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u16 interleaving_depth);
extern sdp_result_e sdp_attr_set_fmtp_pack_mode (void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num,
u16 pack_mode);
extern sdp_result_e sdp_attr_set_fmtp_level_asymmetry_allowed (void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num,
u16 level_asymmetry_allowed);
extern sdp_result_e sdp_attr_set_fmtp_redundant_pic_cap (void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num,
tinybool redundant_pic_cap);
extern sdp_result_e sdp_attr_set_fmtp_max_mbps (void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num,
u32 max_mbps);
extern sdp_result_e sdp_attr_set_fmtp_max_fs (void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num,
u32 max_fs);
extern sdp_result_e sdp_attr_set_fmtp_max_cpb (void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num,
u32 max_cpb);
extern sdp_result_e sdp_attr_set_fmtp_max_dpb (void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num,
u32 max_dpb);
extern sdp_result_e sdp_attr_set_fmtp_max_br (void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num,
u32 max_br);
extern sdp_result_e sdp_attr_set_fmtp_max_rcmd_nalu_size (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u32 max_rcmd_nalu_size);
extern sdp_result_e sdp_attr_set_fmtp_deint_buf_cap (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u32 deint_buf_cap);
extern sdp_result_e sdp_attr_set_fmtp_h264_parameter_add (void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num,
tinybool parameter_add);
extern sdp_result_e sdp_attr_set_fmtp_h261_annex_params (void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num,
tinybool annex_d);
extern sdp_result_e sdp_attr_set_fmtp_h263_annex_params (void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num,
tinybool annex_f,
tinybool annex_i,
tinybool annex_j,
tinybool annex_t,
u16 annex_k_val,
u16 annex_n_val,
u16 annex_p_val_picture_resize,
u16 annex_p_val_warp);
/* get routines */
extern int32 sdp_attr_get_fmtp_bitrate_type (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern int32 sdp_attr_get_fmtp_cif (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern int32 sdp_attr_get_fmtp_qcif (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern int32 sdp_attr_get_fmtp_sqcif (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern int32 sdp_attr_get_fmtp_cif4 (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern int32 sdp_attr_get_fmtp_cif16 (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern int32 sdp_attr_get_fmtp_maxbr (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern sdp_result_e sdp_attr_get_fmtp_max_average_bitrate (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, u32* val);
extern sdp_result_e sdp_attr_get_fmtp_usedtx (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, tinybool* val);
extern sdp_result_e sdp_attr_get_fmtp_stereo (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, tinybool* val);
extern sdp_result_e sdp_attr_get_fmtp_useinbandfec (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, tinybool* val);
extern char* sdp_attr_get_fmtp_maxcodedaudiobandwidth (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern sdp_result_e sdp_attr_get_fmtp_cbr (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, tinybool* val);
extern sdp_result_e sdp_attr_set_fmtp_streams (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, u32 streams);
extern sdp_result_e sdp_attr_get_fmtp_streams (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, u32* val);
extern sdp_result_e sdp_attr_get_fmtp_data_channel_protocol (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, char* protocol);
extern sdp_result_e sdp_attr_set_fmtp_data_channel_protocol (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
const char *protocol);
extern int32 sdp_attr_get_fmtp_custom_x (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern int32 sdp_attr_get_fmtp_custom_y (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern int32 sdp_attr_get_fmtp_custom_mpi (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern int32 sdp_attr_get_fmtp_par_width (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern int32 sdp_attr_get_fmtp_par_height (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern int32 sdp_attr_get_fmtp_bpp (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern int32 sdp_attr_get_fmtp_hrd (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern int32 sdp_attr_get_fmtp_profile (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern int32 sdp_attr_get_fmtp_level (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern tinybool sdp_attr_get_fmtp_interlace (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern tinybool sdp_attr_get_fmtp_annex_d (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern tinybool sdp_attr_get_fmtp_annex_f (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern tinybool sdp_attr_get_fmtp_annex_i (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern tinybool sdp_attr_get_fmtp_annex_j (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern tinybool sdp_attr_get_fmtp_annex_t (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern int32 sdp_attr_get_fmtp_annex_k_val (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern int32 sdp_attr_get_fmtp_annex_n_val (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern int32 sdp_attr_get_fmtp_annex_p_picture_resize (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern int32 sdp_attr_get_fmtp_annex_p_warp (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
/* H.264 codec specific params */
extern const char *sdp_attr_get_fmtp_profile_id(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern const char *sdp_attr_get_fmtp_param_sets(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern sdp_result_e sdp_attr_get_fmtp_pack_mode (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, u16 *val);
extern sdp_result_e sdp_attr_get_fmtp_level_asymmetry_allowed (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, u16 *val);
extern sdp_result_e sdp_attr_get_fmtp_interleaving_depth (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u16 *val);
extern sdp_result_e sdp_attr_get_fmtp_max_don_diff (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u32 *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 (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u32 *val);
extern sdp_result_e sdp_attr_get_fmtp_deint_buf_cap (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u32 *val);
extern sdp_result_e sdp_attr_get_fmtp_init_buf_time (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u32 *val);
extern sdp_result_e sdp_attr_get_fmtp_max_rcmd_nalu_size (void *sdp_ptr,
u16 level, u8 cap_num,
u16 inst_num, u32 *val);
extern sdp_result_e sdp_attr_get_fmtp_max_mbps (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, u32 *val);
extern sdp_result_e sdp_attr_get_fmtp_max_fs (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, u32 *val);
extern sdp_result_e sdp_attr_get_fmtp_max_cpb (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, u32 *val);
extern sdp_result_e sdp_attr_get_fmtp_max_dpb (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, u32 *val);
extern sdp_result_e sdp_attr_get_fmtp_max_br (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, u32 *val);
extern tinybool sdp_attr_fmtp_is_redundant_pic_cap (void *sdp_ptr, u16 level,
u8 cap_num,
u16 inst_num);
extern tinybool sdp_attr_fmtp_is_parameter_add (void *sdp_ptr, u16 level,
u8 cap_num,
u16 inst_num);
extern tinybool sdp_attr_fmtp_is_annexa_set (void *sdp_ptr, u16 level,
u8 cap_num,
u16 inst_num);
extern tinybool sdp_attr_fmtp_is_annexb_set (void *sdp_ptr, u16 level,
u8 cap_num,
u16 inst_num);
extern sdp_fmtp_format_type_e sdp_attr_fmtp_get_fmtp_format (void *sdp_ptr, u16 level, u8 cap_num,
u16 inst_num);
extern u16 sdp_attr_get_pccodec_num_payload_types(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern u16 sdp_attr_get_pccodec_payload_type(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, u16 payload_num);
extern sdp_result_e sdp_attr_add_pccodec_payload_type(void *sdp_ptr,
u16 level, u8 cap_num,
u16 inst_num, u16 payload_type);
extern u16 sdp_attr_get_xcap_first_cap_num(void *sdp_ptr, u16 level,
u16 inst_num);
extern sdp_media_e sdp_attr_get_xcap_media_type(void *sdp_ptr, u16 level,
u16 inst_num);
extern sdp_transport_e sdp_attr_get_xcap_transport_type(void *sdp_ptr,
u16 level, u16 inst_num);
extern u16 sdp_attr_get_xcap_num_payload_types(void *sdp_ptr, u16 level,
u16 inst_num);
extern u16 sdp_attr_get_xcap_payload_type(void *sdp_ptr, u16 level,
u16 inst_num, u16 payload_num,
sdp_payload_ind_e *indicator);
extern sdp_result_e sdp_attr_set_xcap_media_type(void *sdp_ptr, u16 level,
u16 inst_num, sdp_media_e media);
extern sdp_result_e sdp_attr_set_xcap_transport_type(void *sdp_ptr, u16 level,
u16 inst_num, sdp_transport_e transport);
extern sdp_result_e sdp_attr_add_xcap_payload_type(void *sdp_ptr, u16 level,
u16 inst_num, u16 payload_type,
sdp_payload_ind_e indicator);
extern u16 sdp_attr_get_cdsc_first_cap_num(void *sdp_ptr, u16 level,
u16 inst_num);
extern sdp_media_e sdp_attr_get_cdsc_media_type(void *sdp_ptr, u16 level,
u16 inst_num);
extern sdp_transport_e sdp_attr_get_cdsc_transport_type(void *sdp_ptr,
u16 level, u16 inst_num);
extern u16 sdp_attr_get_cdsc_num_payload_types(void *sdp_ptr, u16 level,
u16 inst_num);
extern u16 sdp_attr_get_cdsc_payload_type(void *sdp_ptr, u16 level,
u16 inst_num, u16 payload_num,
sdp_payload_ind_e *indicator);
extern sdp_result_e sdp_attr_set_cdsc_media_type(void *sdp_ptr, u16 level,
u16 inst_num, sdp_media_e media);
extern sdp_result_e sdp_attr_set_cdsc_transport_type(void *sdp_ptr, u16 level,
u16 inst_num, sdp_transport_e transport);
extern sdp_result_e sdp_attr_add_cdsc_payload_type(void *sdp_ptr, u16 level,
u16 inst_num, u16 payload_type,
sdp_payload_ind_e indicator);
extern tinybool sdp_media_dynamic_payload_valid (void *sdp_ptr, u16 payload_type,
u16 m_line);
extern sdp_result_e sdp_attr_set_rtr_confirm (void *, u16 , \
u8 ,u16 ,tinybool );
extern tinybool sdp_attr_get_rtr_confirm (void *, u16, u8, u16);
extern tinybool sdp_attr_get_silencesupp_enabled(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern u16 sdp_attr_get_silencesupp_timer(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
tinybool *null_ind);
extern sdp_silencesupp_pref_e sdp_attr_get_silencesupp_pref(void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num);
extern sdp_silencesupp_siduse_e sdp_attr_get_silencesupp_siduse(void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num);
extern u8 sdp_attr_get_silencesupp_fxnslevel(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
tinybool *null_ind);
extern sdp_result_e sdp_attr_set_silencesupp_enabled(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
tinybool enable);
extern sdp_result_e sdp_attr_set_silencesupp_timer(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u16 value,
tinybool null_ind);
extern sdp_result_e sdp_attr_set_silencesupp_pref(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
sdp_silencesupp_pref_e pref);
extern sdp_result_e sdp_attr_set_silencesupp_siduse(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
sdp_silencesupp_siduse_e siduse);
extern sdp_result_e sdp_attr_set_silencesupp_fxnslevel(void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num,
u16 value,
tinybool null_ind);
extern sdp_mediadir_role_e sdp_attr_get_comediadir_role(void *sdp_ptr,
u16 level, u8 cap_num,
u16 inst_num);
extern sdp_result_e sdp_attr_set_comediadir_role(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
sdp_mediadir_role_e role);
extern sdp_result_e sdp_delete_all_media_direction_attrs (void *sdp_ptr,
u16 level);
extern u16 sdp_attr_get_mptime_num_intervals(
void *sdp_ptr, u16 level, u8 cap_num, u16 inst_num);
extern u16 sdp_attr_get_mptime_interval(
void *sdp_ptr, u16 level, u8 cap_num, u16 inst_num, u16 interval_num);
extern sdp_result_e sdp_attr_add_mptime_interval(
void *sdp_ptr, u16 level, u8 cap_num, u16 inst_num, u16 interval);
extern sdp_result_e sdp_delete_bw_line (void *sdp_ptr, u16 level, u16 inst_num);
extern sdp_result_e sdp_copy_all_bw_lines(void *src_sdp_ptr, void *dst_sdp_ptr,
u16 src_level, u16 dst_level);
extern sdp_bw_modifier_e sdp_get_bw_modifier(void *sdp_ptr, u16 level,
u16 inst_num);
extern int32 sdp_get_bw_value(void *sdp_ptr, u16 level, u16 inst_num);
extern int32 sdp_get_num_bw_lines (void *sdp_ptr, u16 level);
extern sdp_result_e sdp_add_new_bw_line(void *sdp_ptr, u16 level,
sdp_bw_modifier_e bw_modifier, u16 *inst_num);
extern sdp_result_e sdp_set_bw(void *sdp_ptr, u16 level, u16 inst_num,
sdp_bw_modifier_e value, u32 bw_val);
extern sdp_group_attr_e sdp_get_group_attr(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern sdp_result_e sdp_set_group_attr(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
sdp_group_attr_e value);
extern const char* sdp_attr_get_x_sidout (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern sdp_result_e sdp_attr_set_x_sidout (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
const char *sidout);
extern const char* sdp_attr_get_x_sidin (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern sdp_result_e sdp_attr_set_x_sidin (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
const char *sidin);
extern const char* sdp_attr_get_x_confid (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern sdp_result_e sdp_attr_set_x_confid (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
const char *confid);
extern sdp_result_e sdp_attr_set_ice_candidate(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, const char *ice_candidate);
extern u16 sdp_get_group_num_id(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern sdp_result_e sdp_set_group_num_id(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u16 group_num_id);
extern int32 sdp_get_group_id(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, u16 id_num);
extern sdp_result_e sdp_set_group_id (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num, u16 group_id);
extern int32 sdp_get_mid_value(void *sdp_ptr, u16 level);
extern sdp_result_e sdp_set_mid_value(void *sdp_ptr, u16 level, u32 mid_val);
extern sdp_result_e sdp_set_source_filter(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
sdp_src_filter_mode_e mode,
sdp_nettype_e nettype,
sdp_addrtype_e addrtype,
const char *dest_addr,
const char *src_addr);
extern sdp_result_e sdp_include_new_filter_src_addr(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
const char *src_addr);
extern sdp_src_filter_mode_e sdp_get_source_filter_mode(void *sdp_ptr,
u16 level, u8 cap_num,
u16 inst_num);
extern sdp_result_e sdp_get_filter_destination_attributes(void *sdp_ptr,
u16 level, u8 cap_num,
u16 inst_num,
sdp_nettype_e *nettype,
sdp_addrtype_e *addrtype,
char *dest_addr);
extern int32 sdp_get_filter_source_address_count(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num);
extern sdp_result_e sdp_get_filter_source_address (void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
u16 src_addr_id,
char *src_addr);
extern sdp_result_e sdp_set_rtcp_unicast_mode(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
sdp_rtcp_unicast_mode_e mode);
extern sdp_rtcp_unicast_mode_e sdp_get_rtcp_unicast_mode(void *sdp_ptr,
u16 level, u8 cap_num,
u16 inst_num);
void sdp_crypto_debug(char *buffer, ulong length_bytes);
char * sdp_debug_msg_filter(char *buffer, ulong length_bytes);
extern int32
sdp_attr_get_sdescriptions_tag(void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num);
extern sdp_srtp_crypto_suite_t
sdp_attr_get_sdescriptions_crypto_suite(void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num);
extern const char*
sdp_attr_get_sdescriptions_key(void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num);
extern const char*
sdp_attr_get_sdescriptions_salt(void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num);
extern const char*
sdp_attr_get_sdescriptions_lifetime(void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num);
extern sdp_result_e
sdp_attr_get_sdescriptions_mki(void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num,
const char **mki_value,
u16 *mki_length);
extern const char*
sdp_attr_get_sdescriptions_session_params(void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num);
extern unsigned char
sdp_attr_get_sdescriptions_key_size(void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num);
extern unsigned char
sdp_attr_get_sdescriptions_salt_size(void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num);
extern unsigned long
sdp_attr_get_srtp_crypto_selection_flags(void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num);
extern sdp_result_e
sdp_attr_set_sdescriptions_tag(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
int32 tag_num);
extern sdp_result_e
sdp_attr_set_sdescriptions_crypto_suite(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
sdp_srtp_crypto_suite_t crypto_suite);
extern sdp_result_e
sdp_attr_set_sdescriptions_key(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
char *key);
extern sdp_result_e
sdp_attr_set_sdescriptions_salt(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
char *salt);
extern sdp_result_e
sdp_attr_set_sdescriptions_lifetime(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
char *lifetime);
extern sdp_result_e
sdp_attr_set_sdescriptions_mki(void *sdp_ptr, u16 level,
u8 cap_num, u16 inst_num,
char *mki_value,
u16 mki_length);
extern sdp_result_e
sdp_attr_set_sdescriptions_key_size(void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num,
unsigned char key_size);
extern sdp_result_e
sdp_attr_set_sdescriptions_salt_size(void *sdp_ptr,
u16 level,
u8 cap_num,
u16 inst_num,
unsigned char salt_size);
sdp_result_e
sdp_attr_get_ice_attribute (void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e sdp_attr, u16 inst_num,
char **out);
sdp_result_e
sdp_attr_set_ice_attribute(void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e sdp_attr, u16 inst_num, const char *ice_attrib);
sdp_result_e
sdp_attr_get_rtcp_mux_attribute (void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e sdp_attr, u16 inst_num,
tinybool *rtcp_mux);
sdp_result_e
sdp_attr_set_rtcp_mux_attribute(void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e sdp_attr, u16 inst_num, const tinybool rtcp_mux);
sdp_result_e
sdp_attr_get_dtls_fingerprint_attribute (void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e sdp_attr, u16 inst_num,
char **out);
sdp_result_e
sdp_attr_set_dtls_fingerprint_attribute(void *sdp_ptr, u16 level,
u8 cap_num, sdp_attr_e sdp_attr, u16 inst_num, const char *dtls_fingerprint);
#endif /* _SDP_H_ */