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68 lines
1.7 KiB
68 lines
1.7 KiB
#ifndef _SDP_H_
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#define _SDP_H_
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#include <glib.h>
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#include "str.h"
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#include "call.h"
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#include "media_socket.h"
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enum command_type {
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CMD_ADD = 0,
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CMD_REM,
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CMD_SUBST,
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};
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/* A structure for SDP arbitrary manipulations on all levels of SDP:
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* session (global), media (audio/video). Works only on `a=` lines.
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*/
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struct sdp_manipulations_common {
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GQueue add_commands_glob;
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GQueue add_commands_audio;
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GQueue add_commands_video;
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GHashTable * rem_commands_glob;
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GHashTable * rem_commands_audio;
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GHashTable * rem_commands_video;
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GHashTable * subst_commands_glob;
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GHashTable * subst_commands_audio;
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GHashTable * subst_commands_video;
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};
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struct ice_candidate;
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struct sdp_chopper {
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str *input;
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size_t position;
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GString *output;
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ssize_t offset; // for post-processing using chopper_replace
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};
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extern const str rtpe_instance_id;
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void sdp_init(void);
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int sdp_parse(str *body, GQueue *sessions, const struct sdp_ng_flags *);
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int sdp_streams(const GQueue *sessions, GQueue *streams, struct sdp_ng_flags *);
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void sdp_streams_free(GQueue *);
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void sdp_free(GQueue *sessions);
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int sdp_replace(struct sdp_chopper *, GQueue *, struct call_monologue *, struct sdp_ng_flags *);
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int sdp_is_duplicate(GQueue *sessions);
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int sdp_create(str *out, struct call_monologue *, struct sdp_ng_flags *flags);
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const char *sdp_get_sendrecv(struct call_media *media);
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int sdp_parse_candidate(struct ice_candidate *cand, const str *s); // returns -1, 0, 1
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struct sdp_chopper *sdp_chopper_new(str *input);
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void sdp_chopper_destroy(struct sdp_chopper *chop);
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void sdp_chopper_destroy_ret(struct sdp_chopper *chop, str *ret);
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INLINE int is_trickle_ice_address(const struct endpoint *ep) {
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if (is_addr_unspecified(&ep->address) && ep->port == 9)
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return 1;
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return 0;
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}
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#endif
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