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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* inputstreamer.cc
*
* Sat Sep 20 10:15:51 CEST 2014
* Copyright 2014 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of SimpleRTP.
*
* SimpleRTP is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* SimpleRTP is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with SimpleRTP; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "inputstreamer.h"
#include <QApplication>
#define KEY "123456789012345678901234567890123456789012345678901234567890"
#define SSRC 1234567890
#define CSRC_V 42
#define CSRC_A 43
InputStreamer::InputStreamer(QHostAddress addr, quint16 port)
: socket(this)
{
total = 0;
socket.bind(port);
this->addr = addr;
this->port = port;
running = true;
start();
}
InputStreamer::~InputStreamer()
{
running = false;
wait();
}
#include <unistd.h>
void InputStreamer::run()
{
lrtp_status_t status;
lrtp = lrtp_init(&status, KEY, SSRC);
if(status != LRTP_OK) printf("O:lrtp_init err: %d\n", status);
int res;
res = lrtp_create_profile(lrtp, PROFILE_JPEG, CSRC_V, OPTION_END);
if(res != 0) printf("O:lrtp_create_profile (v) err: %d\n", res);
res = lrtp_create_profile(lrtp, PROFILE_OPUS, CSRC_A, OPTION_END);
if(res != 0) printf("O:lrtp_create_profile (a) err: %d\n", res);
char packet[64*1024];
while(running) {
if(!socket.hasPendingDatagrams()) {
qApp->processEvents();
usleep(2000); // sleep 2ms
continue;
}
qint64 packetsize =
socket.readDatagram(packet, (quint64)sizeof(packet), 0, 0);
if(packetsize < 1) {
continue;
}
total += packetsize;
// Now decode the sucker....
lrtp_unpack(lrtp, packet, packetsize);
int n = 0;
int ret;
char frame[512 * 1024]; // 512kbyte should be enough for even the larges
// JPEG frames...
unsigned int csrc;
unsigned int ts;
while((ret = lrtp_dequeue_frame(lrtp, frame, sizeof(frame), &csrc, &ts))
!= 0) {
if(ret < 0) printf("\nlrtp_dequeue_frame: %d\n", ret);
if(csrc == CSRC_V) {
// Video frame
Frame f(frame, ret);
f.ts = ts;
emit newImage(f);
//printf("v"); fflush(stdout);
} else if(csrc == CSRC_A) {
// Audio frame
Frame f(frame, ret);
f.ts = ts;
emit newAudio(f);
//printf("a"); fflush(stdout);
} else {
printf("Unknown stream: CSRC: %d\n", csrc);
}
}
}
status = lrtp_destroy_profile(lrtp, CSRC_V);
if(status != LRTP_OK) printf("O:lrtp_destroy_profile (v) err: %d\n", status);
status = lrtp_destroy_profile(lrtp, CSRC_A);
if(status != LRTP_OK) printf("O:lrtp_destroy_profile (a) err: %d\n", status);
status = lrtp_close(lrtp);
if(status != LRTP_OK) printf("O:lrtp_close err: %d\n", status);
}
size_t InputStreamer::getTotal()
{
size_t t = total;
total = 0;
return t;
}
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