rtp_serv_sender.c

一个用于智能手机的多媒体库适合S60 WinCE的跨平台开发库

#include "RTP_serv_sender.h"
#include <gpac/internal/ietf_dev.h>
#include <gpac/ietf.h>


GF_Err PNC_InitRTP(GF_RTPChannel **chan, char * dest, int port){
	GF_Err res;
	GF_RTSPTransport tr;

	*chan = gf_rtp_new();
	printf("[carrousel] : RTP_SetupPorts=%d\n", gf_rtp_set_ports(*chan, 0));  

	tr.destination = dest;
	tr.IsUnicast = gf_sk_is_multicast_address(dest) ? 0 : 1;
	tr.Profile="RTP/AVP";//RTSP_PROFILE_RTP_AVP;
	tr.IsRecord = 0;
	tr.Append = 0;
	tr.source = "0.0.0.0";
	tr.SSRC=rand();

	tr.port_first        = port;
	tr.port_last         = port+1;
	if (tr.IsUnicast) {
		tr.client_port_first = port;
		tr.client_port_last  = port+1;
	} else {
		tr.source = dest;
	}
	res = gf_rtp_setup_transport(*chan, &tr, dest);
	printf("[carrousel] : RTP_SetupTransport=%d\n", res);
	if (res !=0) return res;

	res = gf_rtp_initialize(*chan, 0, 1, 1500, 0, 0, NULL);
	printf("[carrousel] : RTP_Initialize=%d\n", res);
	if (res !=0) return res;
	return GF_OK;
}


GF_Err PNC_SendRTP(PNC_CallbackData * data, char * payload, int payloadSize){
  	GF_Err e;
	unsigned char feedback_buffer[250];	// buffer pour envoyer le nombre de byte envoy