rtpengine/include/codec.h

71 lines
1.6 KiB

#ifndef __CODEC_H__
#define __CODEC_H__
#include <glib.h>
#include "str.h"
#include "codeclib.h"
#include "aux.h"
#include "rtplib.h"
struct call_media;
struct codec_handler;
struct media_packet;
struct ssrc_hash;
struct sdp_ng_flags;
typedef int codec_handler_func(struct codec_handler *, struct media_packet *);
struct codec_handler {
struct rtp_payload_type source_pt; // source_pt.payload_type = hashtable index
struct rtp_payload_type dest_pt;
codec_handler_func *func;
int passthrough;
struct ssrc_hash *ssrc_hash;
};
struct codec_packet {
str s;
void (*free_func)(void *);
};
struct codec_handler *codec_handler_get(struct call_media *, int payload_type);
void codec_handlers_free(struct call_media *);
void codec_add_raw_packet(struct media_packet *mp);
void codec_packet_free(void *);
void codec_rtp_payload_types(struct call_media *media, struct call_media *other_media,
GQueue *types, GHashTable *strip,
const GQueue *offer, const GQueue *transcode,
GHashTable *mask);
// special return value `(void *) 0x1` to signal type mismatch
struct rtp_payload_type *codec_make_payload_type(const str *codec_str, struct call_media *media);
// used by redis
void __rtp_payload_type_add_recv(struct call_media *media, struct rtp_payload_type *pt);
void __rtp_payload_type_add_send(struct call_media *other_media, struct rtp_payload_type *pt);
#ifdef WITH_TRANSCODING
void codec_handlers_update(struct call_media *receiver, struct call_media *sink, const struct sdp_ng_flags *);
#else
INLINE void codec_handlers_update(struct call_media *receiver, struct call_media *sink) { }
#endif
#endif