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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>
#include <unistd.h>
#define CSRC_V 42
#define CSRC_A 43
InputStreamer::InputStreamer(int peer, QString peer_name,
QHostAddress addr, quint16 port,
QString key, unsigned int ssrc)
// : socket(this)
{
this->peer = peer;
this->peer_name = peer_name;
this->key = key;
this->ssrc = ssrc;
this->addr = addr;
this->port = port;
total = 0;
name.sin_family = AF_INET;
sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if(sock < 0) {
perror("socket()");
return;
}
name.sin_port = htons(port);
//name.sin_addr.s_addr = inet_addr(addr.toString().toStdString().c_str());
name.sin_addr.s_addr = inet_addr("0.0.0.0"); // Listen on all interfaces
if(INADDR_NONE == name.sin_addr.s_addr) {
printf("Could not parse IP address: %s\n",
addr.toString().toStdString().c_str());
return;
}
if(bind(sock, (struct sockaddr *)&name, sizeof(name)) < 0) {
close(sock);
perror("bind()");
return;
}
running = true;
start();
}
int interrupted;
void handle_int(int num) {
interrupted = 1;
}
InputStreamer::~InputStreamer()
{
running = false;
wait();
close(sock);
}
#include <unistd.h>
void InputStreamer::run()
{
lrtp_status_t status;
char ckey[61];
strcpy(ckey, key.toStdString().c_str());
lrtp = lrtp_init(&status, ckey, ssrc);
if(status != LRTP_OK) printf("I:lrtp_init err: %d\n", status);
int res;
res = lrtp_create_profile(lrtp, PROFILE_JPEG, CSRC_V, OPTION_END);
if(res != 0) printf("I:lrtp_create_profile (v) err: %d\n", res);
res = lrtp_create_profile(lrtp, PROFILE_OPUS, CSRC_A, OPTION_END);
if(res != 0) printf("I:lrtp_create_profile (a) err: %d\n", res);
char packet[64*1024];
while(running) {
ssize_t packetsize;
{
int fd = sock;
fd_set fds;
struct timeval timeout;
timeout.tv_sec = 0;
timeout.tv_usec = 1000;
FD_ZERO(&fds);
FD_SET(fd, &fds);
if(select(fd + 1, &fds, NULL, NULL, &timeout) > 0) {
packetsize = recv(sock, (char*)packet, sizeof(packet), 0);
} else {
// timeout
continue;
}
}
if(packetsize == -1) {
perror("recv()");
usleep(1000);
continue;
}
if(packetsize == 0) {
usleep(1000);
continue;
}
total += packetsize;
// Now decode the sucker....
lrtp_unpack(lrtp, packet, packetsize);
int n = 0;
int ret;
char frame[512 * 1024 * 4]; // 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("I:lrtp_dequeue_frame: %d (frame skipped)\n", ret);
continue;
}
if(csrc == CSRC_V) {
// Video frame
Frame f(frame, ret);
f.ts = ts;
emit newImage(peer, f);
//printf("v"); fflush(stdout);
} else if(csrc == CSRC_A) {
// Audio frame
Frame f(frame, ret);
f.ts = ts;
emit newAudio(peer, f);
//printf("a"); fflush(stdout);
} else {
printf("Unknown stream: CSRC: %d\n", csrc);
}
}
}
printf("done\n");
status = lrtp_destroy_profile(lrtp, CSRC_V);
if(status != LRTP_OK) printf("I:lrtp_destroy_profile (v) err: %d\n", status);
status = lrtp_destroy_profile(lrtp, CSRC_A);
if(status != LRTP_OK) printf("I:lrtp_destroy_profile (a) err: %d\n", status);
status = lrtp_close(lrtp);
if(status != LRTP_OK) printf("I:lrtp_close err: %d\n", status);
}
size_t InputStreamer::getTotal()
{
size_t t = total;
total = 0;
return t;
}
QString InputStreamer::getName()
{
return peer_name;
}
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