void* rtp_create(struct rtp_event_t *handler, void* param, uint32_t ssrc, int frequence, int boundwidth)
{
struct rtp_context *ctx;
ctx = (struct rtp_context *)calloc(1, sizeof(*ctx));
if(!ctx) return NULL;
ctx->self = rtp_member_create(ssrc);
ctx->members = rtp_member_list_create();
ctx->senders = rtp_member_list_create();
if(!ctx->self || !ctx->members || !ctx->senders)
{
rtp_destroy(ctx);
return NULL;
}
rtp_member_list_add(ctx->members, ctx->self);
memcpy(&ctx->handler, handler, sizeof(ctx->handler));
ctx->cbparam = param;
ctx->rtcp_bw = (size_t)(boundwidth * RTCP_BANDWIDTH_FRACTION);
ctx->avg_rtcp_size = 0;
ctx->frequence = frequence;
ctx->role = RTP_RECEIVER;
ctx->init = 1;
return ctx;
}
struct rtp_member* rtp_member_fetch(struct rtp_context *ctx, uint32_t ssrc)
{
struct rtp_member *p;
p = rtp_member_list_find(ctx->members, ssrc);
if(!p)
{
// exist in sender list?
assert(!rtp_member_list_find(ctx->senders, ssrc));
p = rtp_member_create(ssrc);
if(p)
{
struct rtcp_msg_t msg;
// update members list
rtp_member_list_add(ctx->members, p);
rtp_member_release(p);
msg.type = RTCP_MSG_MEMBER;
msg.u.member.ssrc = ssrc;
ctx->handler.on_rtcp(ctx->cbparam, &msg);
}
}
return p;
}
struct rtp_member* rtp_sender_fetch(struct rtp_context *ctx, uint32_t ssrc)
{
struct rtp_member *p;
p = rtp_member_list_find(ctx->senders, ssrc);
if(!p)
{
p = rtp_member_fetch(ctx, ssrc);
if(p)
{
// update senders list
rtp_member_list_add(ctx->senders, p);
}
}
return p;
}
