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tdenetwork/kopete/protocols/msn/webcam.cpp

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/*
Copyright (c) 2005 by Olivier Goffart <ogoffart@ kde.org>
*************************************************************************
* *
* This program 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. *
* *
*************************************************************************
*/
#include "webcam.h"
#if MSN_WEBCAM
#include <stdlib.h>
#include <kdebug.h>
#include <qregexp.h>
#include <kbufferedsocket.h>
#include <klocale.h>
#include <kserversocket.h>
#include <kmessagebox.h>
#include <qlabel.h>
#include <qguardedptr.h>
#include <qtimer.h>
#include <qevent.h>
#include <qdatetime.h>
#include <kconfig.h>
#include "dispatcher.h"
#include "mimicwrapper.h"
#include "msnwebcamdialog.h"
#include "avdevice/videodevicepool.h"
using namespace KNetwork;
namespace P2P {
Webcam::Webcam(Who who, const QString& to, Dispatcher *parent, Q_UINT32 sessionId)
: TransferContext(to,parent,sessionId) , m_who(who) , m_timerId(0)
{
setType(P2P::WebcamType);
m_direction = Incoming;
m_listener = 0l;
m_webcamSocket=0L;
// m_webcamState=wsNegotiating;
m_mimic=0L;
m_widget=0L;
KConfig *config = KGlobal::config();
config->setGroup( "MSN" );
// Read the configuration to get the number of frame per second to send
int webCamFps=config->readNumEntry("WebcamFPS", 25);
m_timerFps = 1000 / webCamFps;
}
Webcam::~Webcam()
{
kdDebug(14140) << k_funcinfo<< "################################################" << endl;
m_dispatcher=0l;
delete m_mimic;
delete m_webcamSocket;
delete m_widget;
if(m_timerId != 0) //if we were sending
{
Kopete::AV::VideoDevicePool *videoDevice = Kopete::AV::VideoDevicePool::self();
videoDevice->stopCapturing();
videoDevice->close();
}
}
void Webcam::askIncommingInvitation()
{
m_direction = Incoming;
//protect, in case this is deleted when the messagebox is active
QGuardedPtr<Webcam> _this = this;
QString message= (m_who==wProducer) ?
i18n("<qt>The contact %1 wants to see <b>your</b> webcam, do you want them to see it?</qt>") :
i18n("The contact %1 wants to show you his/her webcam, do you want to see it?") ;
int result=KMessageBox::questionYesNo( 0L , message.arg(m_recipient),
i18n("Webcam invitation - Kopete MSN Plugin") , i18n("Accept") , i18n("Decline"));
if(!_this)
return;
QString content = QString("SessionID: %1\r\n\r\n").arg(m_sessionId);
if(result==KMessageBox::Yes)
{
//Send two message, an OK, and an invite.
//Normaly, the user should decline the invite (i hope)
// Send a 200 OK message to the recipient.
sendMessage(OK, content);
//send an INVITE message we want the user decline
//need to change the branch of the second message
m_branch=Uid::createUid();
m_state = Negotiation; //set type to application/x-msnmsgr-transreqbody
content=QString("Bridges: TRUDPv1 TCPv1\r\n"
"NetID: -1280904111\r\n"
"Conn-Type: Firewall\r\n"
"UPnPNat: false\r\n"
"ICF: false\r\n\r\n");
sendMessage(INVITE, content);
}
else
{
//Decline the invitation
sendMessage(DECLINE, content);
m_state=Finished;
}
}
void Webcam::sendBYEMessage()
{
m_state=Finished;
QString content="Context: dAMAgQ==\r\n";
sendMessage(BYE,content);
//If ever the opposite client was dead or something, we'll ack anyway, so everything get cleaned
QTimer::singleShot(60*1000 , this, SLOT(acknowledged()));
}
void Webcam::acknowledged()
{
kdDebug(14140) << k_funcinfo << endl;
switch(m_state)
{
case Invitation:
{
// m_state=Negotiation;
break;
}
/*
case Negotiation:
{
if(m_type == UserDisplayIcon)
{
<<< Data preparation acknowledge message.
m_state = DataTransfer;
m_identifier++;
Start sending data.
slotSendData();
}
break;
}
case DataTransfer:
NOTE <<< Data acknowledged message.
<<< Bye message should follow.
if(m_type == File)
{
if(m_handshake == 0x01)
{
Data handshake acknowledge message.
Start sending data.
slotSendData();
}
else if(m_handshake == 0x02)
{
Data acknowledge message.
Send the recipient a BYE message.
m_state = Finished;
sendMessage(BYE, "\r\n");
}
}
break;
*/
case Finished:
//BYE or DECLINE acknowledge message.
m_dispatcher->detach(this);
break;
default:
break;
}
}
void Webcam::processMessage(const Message& message)
{
if(message.header.dataOffset+message.header.dataSize >= message.header.totalDataSize)
acknowledge( message ); //aknowledge if needed
if(message.applicationIdentifier != 4l)
{
QString body = QCString(message.body.data(), message.header.dataSize);
kdDebug(14141) << k_funcinfo << "received, " << body << endl;
if(body.startsWith("MSNSLP/1.0 200 OK"))
{
m_direction = Outgoing;
}
if(body.startsWith("INVITE"))
{
if(m_direction == Outgoing)
{
QRegExp regex(";branch=\\{([0-9A-F\\-]*)\\}\r\n");
regex.search(body);
m_branch=regex.cap(1);
//decline
sendMessage(DECLINE);
makeSIPMessage("syn",0x17,0x2a,0x01);
}
}
else if(body.startsWith("MSNSLP/1.0 603 DECLINE"))
{
//if it is the declinaison of the second invite message, we have to don't care
//TODO anyway, if it's the declinaison of our invitation, we have to something
}
else if(body.startsWith("BYE"))
{
m_state = Finished;
// Dispose of this transfer context.
m_dispatcher->detach(this);
}
return;
}
//Let's take the fun, we entering into the delicious webcam negotiation binary protocol
//well, there is maybe better to take utf16, but it's ascii, so no problem.
QByteArray dataMessage=message.body;
#if 0
QString echoS="";
unsigned int f=0;
while(f<dataMessage.size())
{
echoS+="\n";
for(unsigned int q=0; q<16 ; q++)
{
if(q+f<dataMessage.size())
{
unsigned int N=(unsigned int) (dataMessage[q+f]);
if(N<16)
echoS+="0";
echoS+=QString::number( N ,16)+" ";
}
else
echoS+=" ";
}
echoS+=" ";
for(unsigned int q=0; (q<16 && (q+f)<dataMessage.size()) ; q++)
{
unsigned char X=dataMessage[q+f];
char C=((char)(( X<128 && X>31 ) ? X : '.'));
echoS+=QString::fromLatin1(&C,1);
}
f+=16;
}
kdDebug(14141) << k_funcinfo << dataMessage.size() << echoS << endl;
#endif
for(uint pos=m_content.isNull() ? 10 : 0; pos<dataMessage.size(); pos+=2)
{
if(dataMessage[pos] !=0 )
m_content+=dataMessage[pos];
}
if(message.header.dataOffset+message.header.dataSize < message.header.totalDataSize)
return;
kdDebug(14141) << k_funcinfo << "Message contents: " << m_content << "\n" << endl;
if(m_content.startsWith("syn"))
{
if(m_direction == Incoming)
makeSIPMessage("syn",0x17,0x2a,0x01);
else
makeSIPMessage("ack",0xea,0x00,0x00);
}
else if(m_content.startsWith("ack"))
{
if(m_direction == Incoming)
makeSIPMessage("ack",0xea,0x00,0x00);
if(m_who==wProducer)
{
uint sess=rand()%1000+5000;
uint rid=rand()%100+50;
m_myAuth=QString("recipientid=%1&sessionid=%2\r\n\r\n").arg(rid).arg(sess);
kdDebug(14140) << k_funcinfo << "m_myAuth= " << m_myAuth << endl;
QString producerxml=xml(sess , rid);
kdDebug(14140) << k_funcinfo << "producerxml= " << producerxml << endl;
makeSIPMessage(producerxml);
}
}
else if(m_content.contains("<producer>") || m_content.contains("<viewer>"))
{
QRegExp rx("<rid>([0-9]*)</rid>.*<session>([0-9]*)</session>");
rx.search(m_content);
QString rid=rx.cap(1);
QString sess=rx.cap(2);
if(m_content.contains("<producer>"))
{
QString viewerxml=xml(sess.toUInt() , rid.toUInt());
kdDebug(14140) << k_funcinfo << "vewerxml= " << viewerxml << endl;
makeSIPMessage( viewerxml ,0x00,0x09,0x00 );
m_peerAuth=m_myAuth=QString("recipientid=%1&sessionid=%2\r\n\r\n").arg(rid,sess);
kdDebug(14140) << k_funcinfo << "m_auth= " << m_myAuth << endl;
}
else
{
m_peerAuth=QString("recipientid=%1&sessionid=%2\r\n\r\n").arg(rid,sess);
makeSIPMessage("receivedViewerData", 0xec , 0xda , 0x03);
}
if(!m_listener)
{
//it should have been creed in xml
sendBYEMessage();
return;
}
//m_listener->setResolutionEnabled(true);
// Create the callback that will try to accept incoming connections.
QObject::connect(m_listener, SIGNAL(readyAccept()), this, SLOT(slotAccept()));
QObject::connect(m_listener, SIGNAL(gotError(int)), this, SLOT(slotListenError(int)));
// Listen for incoming connections.
bool isListening = m_listener->listen();
kdDebug(14140) << k_funcinfo << (isListening ? QString("listening %1").arg(m_listener->localAddress().toString()) : QString("not listening")) << endl;
rx=QRegExp("<tcpport>([^<]*)</tcpport>");
rx.search(m_content);
QString port1=rx.cap(1);
if(port1=="0")
port1=QString::null;
rx=QRegExp("<tcplocalport>([^<]*)</tcplocalport>");
rx.search(m_content);
QString port2=rx.cap(1);
if(port2==port1 || port2=="0")
port2=QString::null;
rx=QRegExp("<tcpexternalport>([^<]*)</tcpexternalport>");
rx.search(m_content);
QString port3=rx.cap(1);
if(port3==port1 || port3==port2 || port3=="0")
port3=QString::null;
int an=0;
while(true)
{
an++;
if(!m_content.contains( QString("<tcpipaddress%1>").arg(an) ))
break;
rx=QRegExp(QString("<tcpipaddress%1>([^<]*)</tcpipaddress%2>").arg(an).arg(an));
rx.search(m_content);
QString ip=rx.cap(1);
if(ip.isNull())
continue;
if(!port1.isNull())
{
kdDebug(14140) << k_funcinfo << "trying to connect on " << ip <<":" << port1 << endl;
KBufferedSocket *sock=new KBufferedSocket( ip, port1, this );
m_allSockets.append(sock);
QObject::connect( sock, SIGNAL( connected( const KResolverEntry&) ), this, SLOT( slotSocketConnected() ) );
QObject::connect( sock, SIGNAL( gotError(int)), this, SLOT(slotSocketError(int)));
sock->connect(ip, port1);
kdDebug(14140) << k_funcinfo << "okok " << sock << " - " << sock->peerAddress().toString() << " ; " << sock->localAddress().toString() << endl;
}
if(!port2.isNull())
{
kdDebug(14140) << k_funcinfo << "trying to connect on " << ip <<":" << port2 << endl;
KBufferedSocket *sock=new KBufferedSocket( ip, port2, this );
m_allSockets.append(sock);
QObject::connect( sock, SIGNAL( connected( const KResolverEntry&) ), this, SLOT( slotSocketConnected() ) );
QObject::connect( sock, SIGNAL( gotError(int)), this, SLOT(slotSocketError(int)));
sock->connect(ip, port2);
}
if(!port3.isNull())
{
kdDebug(14140) << k_funcinfo << "trying to connect on " << ip <<":" << port3 << endl;
KBufferedSocket *sock=new KBufferedSocket( ip, port3, this );
m_allSockets.append(sock);
QObject::connect( sock, SIGNAL( connected( const KResolverEntry&) ), this, SLOT( slotSocketConnected() ) );
QObject::connect( sock, SIGNAL( gotError(int)), this, SLOT(slotSocketError(int)));
sock->connect(ip, port3);
}
}
QValueList<KBufferedSocket*>::iterator it;
for ( it = m_allSockets.begin(); it != m_allSockets.end(); ++it )
{
KBufferedSocket *sock=(*it);
//sock->enableRead( false );
kdDebug(14140) << k_funcinfo << "connect to " << sock << " - "<< sock->peerAddress().toString() << " ; " << sock->localAddress().toString() << endl;
}
}
else if(m_content.contains("receivedViewerData"))
{
//I'm happy you received the xml i sent, really.
}
else
error();
m_content=QString::null;
}
void Webcam::makeSIPMessage(const QString &message, Q_UINT8 XX, Q_UINT8 YY , Q_UINT8 ZZ)
{
QByteArray dataMessage; //(12+message.length()*2);
QDataStream writer(dataMessage, IO_WriteOnly);
writer.setByteOrder(QDataStream::LittleEndian);
writer << (Q_UINT8)0x80;
writer << (Q_UINT8)XX;
writer << (Q_UINT8)YY;
writer << (Q_UINT8)ZZ;
writer << (Q_UINT8)0x08;
writer << (Q_UINT8)0x00;
writer << message+'\0';
//writer << (Q_UINT16)0x0000;
/*QString echoS="";
unsigned int f=0;
while(f<dataMessage.size())
{
echoS+="\n";
for(unsigned int q=0; q<16 ; q++)
{
if(q+f<dataMessage.size())
{
unsigned int N=(unsigned int) (dataMessage[q+f]);
if(N<16)
echoS+="0";
echoS+=QString::number( N ,16)+" ";
}
else
echoS+=" ";
}
echoS+=" ";
for(unsigned int q=0; (q<16 && (q+f)<dataMessage.size()) ; q++)
{
unsigned char X=dataMessage[q+f];
char C=((char)(( X<128 && X>31 ) ? X : '.'));
echoS+=QString::fromLatin1(&C,1);
}
f+=16;
}
kdDebug(14141) << k_funcinfo << dataMessage.size() << echoS << endl;*/
sendBigP2PMessage(dataMessage);
}
void Webcam::sendBigP2PMessage( const QByteArray & dataMessage)
{
unsigned int size=m_totalDataSize=dataMessage.size();
m_offset=0;
++m_identifier;
for(unsigned int f=0;f<size;f+=1200)
{
m_offset=f;
QByteArray dm2;
dm2.duplicate(dataMessage.data()+m_offset, QMIN(1200,m_totalDataSize-m_offset));
sendData( dm2 );
m_offset+=dm2.size();
}
m_offset=0;
m_totalDataSize=0;
}
QString Webcam::xml(uint session , uint rid)
{
QString who= ( m_who == wProducer ) ? QString("producer") : QString("viewer");
QString ip;
uint ip_number=1;
QStringList::iterator it;
QStringList ips=m_dispatcher->localIp();
for ( it = ips.begin(); it != ips.end(); ++it )
{
ip+=QString("<tcpipaddress%1>%2</tcpipaddress%3>").arg(ip_number).arg(*it).arg(ip_number);
++ip_number;
}
QString port = QString::number(getAvailablePort());
m_listener = new KServerSocket(port, this) ;
return "<" + who + "><version>2.0</version><rid>"+QString::number(rid)+"</rid><udprid>"+QString::number(rid+1)+"</udprid><session>"+QString::number(session)+"</session><ctypes>0</ctypes><cpu>2931</cpu>" +
"<tcp><tcpport>"+port+"</tcpport>\t\t\t\t\t\t\t\t <tcplocalport>"+port+"</tcplocalport>\t\t\t\t\t\t\t\t <tcpexternalport>"+port+"</tcpexternalport>"+ip+"</tcp>"+
"<udp><udplocalport>7786</udplocalport><udpexternalport>31863</udpexternalport><udpexternalip>"+ ip +"</udpexternalip><a1_port>31859</a1_port><b1_port>31860</b1_port><b2_port>31861</b2_port><b3_port>31862</b3_port><symmetricallocation>1</symmetricallocation><symmetricallocationincrement>1</symmetricallocationincrement><udpversion>1</udpversion><udpinternalipaddress1>127.0.0.1</udpinternalipaddress1></udp>"+
"<codec></codec><channelmode>1</channelmode></"+who+">\r\n\r\n";
}
int Webcam::getAvailablePort()
{
KConfig *config = KGlobal::config();
config->setGroup( "MSN" );
QString basePort=config->readEntry("WebcamPort");
if(basePort.isEmpty() || basePort == "0" )
basePort="6891";
uint firstport = basePort.toInt();
uint maxOffset=config->readUnsignedNumEntry("WebcamMaxPortOffset", 10);
uint lastport = firstport + maxOffset;
// try to find an available port
//
KServerSocket *ss = new KServerSocket();
ss->setFamily(KResolver::InetFamily);
bool found = false;
unsigned int port = firstport;
for( ; port <= lastport; ++port) {
ss->setAddress( QString::number( port ) );
bool success = ss->listen();
if( found = ( success && ss->error() == KSocketBase::NoError ) )
break;
ss->close();
}
delete ss;
kdDebug(14140) << k_funcinfo<< "found available port : " << port << endl;
return port;
}
/* ---------- Now functions about the dirrect connection --------- */
void Webcam::slotSocketConnected()
{
kdDebug(14140) << k_funcinfo <<"##########################" << endl;
m_webcamSocket=const_cast<KBufferedSocket*>(static_cast<const KBufferedSocket*>(sender()));
if(!m_webcamSocket)
return;
kdDebug(14140) << k_funcinfo << "Connection established on " << m_webcamSocket->peerAddress().toString() << " ; " << m_webcamSocket->localAddress().toString() << endl;
m_webcamSocket->setBlocking(false);
m_webcamSocket->enableRead(true);
m_webcamSocket->enableWrite(false);
// Create the callback that will try to read bytes from the accepted socket.
QObject::connect(m_webcamSocket, SIGNAL(readyRead()), this, SLOT(slotSocketRead()));
// Create the callback that will try to handle the socket close event.
QObject::connect(m_webcamSocket, SIGNAL(closed()), this, SLOT(slotSocketClosed()));
// Create the callback that will try to handle the socket error event.
// QObject::connect(m_webcamSocket, SIGNAL(gotError(int)), this, SLOT(slotSocketError(int)));
m_webcamStates[m_webcamSocket]=wsConnected;
QCString to_send=m_peerAuth.utf8();
m_webcamSocket->writeBlock(to_send.data(), to_send.length());
kdDebug(14140) << k_funcinfo << "sending "<< m_peerAuth << endl;
}
void Webcam::slotAccept()
{
// Try to accept an incoming connection from the sending client.
m_webcamSocket = static_cast<KBufferedSocket*>(m_listener->accept());
if(!m_webcamSocket)
{
// NOTE If direct connection fails, the sending
// client wil transfer the file data through the
// existing session.
kdDebug(14140) << k_funcinfo << "Direct connection failed." << endl;
// Close the listening endpoint.
// m_listener->close();
return;
}
kdDebug(14140) << k_funcinfo << "################################ Direct connection established." << endl;
// Set the socket to non blocking,
// enable the ready read signal and disable
// ready write signal.
// NOTE readyWrite consumes too much cpu usage.
m_webcamSocket->setBlocking(false);
m_webcamSocket->enableRead(true);
m_webcamSocket->enableWrite(false);
// Create the callback that will try to read bytes from the accepted socket.
QObject::connect(m_webcamSocket, SIGNAL(readyRead()), this, SLOT(slotSocketRead()));
// Create the callback that will try to handle the socket close event.
QObject::connect(m_webcamSocket, SIGNAL(closed()), this, SLOT(slotSocketClosed()));
// Create the callback that will try to handle the socket error event.
QObject::connect(m_webcamSocket, SIGNAL(gotError(int)), this, SLOT(slotSocketError(int)));
m_allSockets.append(m_webcamSocket);
m_webcamStates[m_webcamSocket]=wsNegotiating;
}
void Webcam::slotSocketRead()
{
m_webcamSocket=const_cast<KBufferedSocket*>(static_cast<const KBufferedSocket*>(sender()));
uint available = m_webcamSocket->bytesAvailable();
kdDebug(14140) << k_funcinfo << m_webcamSocket << "############# " << available << " bytes available." << endl;
QByteArray avail_buff(available);
m_webcamSocket->peekBlock(avail_buff.data(), avail_buff.size());
kdDebug(14140) << k_funcinfo << m_webcamSocket << avail_buff << endl;
const QString connected_str("connected\r\n\r\n");
switch(m_webcamStates[m_webcamSocket])
{
case wsNegotiating:
{
if(available < m_myAuth.length())
{
kdDebug(14140) << k_funcinfo << "waiting more data ( " << available << " of " <<m_myAuth.length()<< " )"<< endl;
break;
}
QByteArray buffer(available);
m_webcamSocket->readBlock(buffer.data(), buffer.size());
kdDebug(14140) << k_funcinfo << buffer.data() << endl;
if(QString(buffer) == m_myAuth )
{
closeAllOtherSockets();
kdDebug(14140) << k_funcinfo << "Sending " << connected_str << endl;
QCString conne=connected_str.utf8();
m_webcamSocket->writeBlock(conne.data(), conne.length());
m_webcamStates[m_webcamSocket]=wsConnecting;
//SHOULD NOT BE THERE
m_mimic=new MimicWrapper();
if(m_who==wProducer)
{
Kopete::AV::VideoDevicePool *videoDevice = Kopete::AV::VideoDevicePool::self();
videoDevice->open();
videoDevice->setSize(320, 240);
videoDevice->startCapturing();
m_timerId=startTimer(m_timerFps);
kdDebug(14140) << k_funcinfo << "new timer" << m_timerId << endl;
}
m_widget=new MSNWebcamDialog(m_recipient);
connect(m_widget, SIGNAL( closingWebcamDialog() ) , this , SLOT(sendBYEMessage()));
}
else
{
kdWarning(14140) << k_funcinfo << "Auth failed" << endl;
m_webcamSocket->disconnect();
m_webcamSocket->deleteLater();
m_allSockets.remove(m_webcamSocket);
m_webcamSocket=0l;
//sendBYEMessage();
}
break;
}
case wsConnecting:
case wsConnected:
{
if(available < connected_str.length())
{
kdDebug(14140) << k_funcinfo << "waiting more data ( " << available << " of " <<connected_str.length()<< " )"<< endl;
break;
}
QByteArray buffer(connected_str.length());
m_webcamSocket->readBlock(buffer.data(), buffer.size());
// kdDebug(14140) << k_funcinfo << "state " << m_webcamState << " received :" << QCString(buffer) << endl;
if(QString(buffer) == connected_str)
{
if(m_webcamStates[m_webcamSocket]==wsConnected)
{
closeAllOtherSockets();
kdDebug(14140) << k_funcinfo << "Sending " << connected_str << endl;
QCString conne=connected_str.utf8();
m_webcamSocket->writeBlock(conne.data(), conne.length());
//SHOULD BE DONE IN ALL CASE
m_mimic=new MimicWrapper();
if(m_who==wProducer)
{
Kopete::AV::VideoDevicePool *videoDevice = Kopete::AV::VideoDevicePool::self();
videoDevice->open();
videoDevice->setSize(320, 240);
videoDevice->startCapturing();
m_timerId=startTimer(m_timerFps);
kdDebug(14140) << k_funcinfo << "new timer" << m_timerId << endl;
}
m_widget=new MSNWebcamDialog(m_recipient);
connect(m_widget, SIGNAL( closingWebcamDialog() ) , this , SLOT(sendBYEMessage()));
}
m_webcamStates[m_webcamSocket]=wsTransfer;
}
else
{
kdWarning(14140) << k_funcinfo << "Connecting failed" << endl;
m_webcamSocket->disconnect();
m_webcamSocket->deleteLater();
m_allSockets.remove(m_webcamSocket);
m_webcamSocket=0l;
}
break;
}
case wsTransfer:
{
if(m_who==wProducer)
{
kdWarning(14140) << k_funcinfo << "data received when we are producer"<< endl;
break;
}
if(available < 24)
{
kdDebug(14140) << k_funcinfo << "waiting more data ( " << available << " of " <<24<< " )"<< endl;
break;
}
QByteArray buffer(24);
m_webcamSocket->peekBlock(buffer.data(), buffer.size());
Q_UINT32 paysize=(uchar)buffer[8] + ((uchar)buffer[9]<<8) + ((uchar)buffer[10]<<16) + ((uchar)buffer[11]<<24);
if(available < (paysize+24))
{
kdDebug(14140) << k_funcinfo << "waiting more data ( " << available << " of " <<paysize<< " )"<< endl;
break;
}
m_webcamSocket->readBlock(buffer.data(), 24); //flush
buffer.resize(paysize);
m_webcamSocket->readBlock(buffer.data(), buffer.size());
QPixmap pix=m_mimic->decode(buffer);
if(pix.isNull())
{
kdWarning(14140) << k_funcinfo << "incorrect pixmap returned, better to stop everything"<< endl;
m_webcamSocket->disconnect();
sendBYEMessage();
}
m_widget->newImage(pix);
break;
}
default:
break;
}
}
void Webcam::slotListenError(int errorCode)
{
kdWarning(14140) << k_funcinfo << "Error " << errorCode << " : " << m_listener->errorString() << endl;
}
void Webcam::slotSocketClosed()
{
if(!m_dispatcher) //we are in this destructor
return;
KBufferedSocket *m_webcamSocket=const_cast<KBufferedSocket*>(static_cast<const KBufferedSocket*>(sender()));
kdDebug(14140) << k_funcinfo << m_webcamSocket << endl;
if(m_listener)
{ //if we are still waiting for other socket to connect, just remove this socket from the socket list
m_webcamSocket->disconnect();
m_webcamSocket->deleteLater();
m_allSockets.remove(m_webcamSocket);
m_webcamSocket=0l;
}
else // else, close the session
sendBYEMessage();
}
void Webcam::slotSocketError(int errorCode)
{
KBufferedSocket *socket=const_cast<KBufferedSocket*>(static_cast<const KBufferedSocket*>(sender()));
kdDebug(14140) << k_funcinfo << socket << " - " << errorCode << " : " << socket->errorString() << endl;
//sendBYEMessage();
}
void Webcam::closeAllOtherSockets()
{
//m_lisener->close();
delete m_listener;
m_listener=0l;
QValueList<KBufferedSocket*>::iterator it;
for ( it = m_allSockets.begin(); it != m_allSockets.end(); ++it )
{
KBufferedSocket *sock=(*it);
if(sock != m_webcamSocket)
delete sock;
}
m_allSockets.clear();
}
void Webcam::timerEvent( QTimerEvent *e )
{
if(e->timerId() != m_timerId)
return TransferContext::timerEvent(e);
// kdDebug(14140) << k_funcinfo << endl;
Kopete::AV::VideoDevicePool *videoDevice = Kopete::AV::VideoDevicePool::self();
videoDevice->getFrame();
QImage img;
videoDevice->getImage(&img);
if(m_widget)
m_widget->newImage(img);
if(img.width()!=320 || img.height()!=240)
{
kdWarning(14140) << k_funcinfo << "Bad image size " <<img.width() << "x" << img.height() << endl;
return;
}
uchar *bits=img.bits();
QByteArray image_data(img.width()*img.height()*3);
uint b2=0;
uint imgsize=img.width()*img.height()*4;
for(uint f=0; f< imgsize; f+=4)
{
image_data[b2+0]=bits[f+2];
image_data[b2+1]=bits[f+1];
image_data[b2+2]=bits[f+0];
b2+=3;
}
QByteArray frame=m_mimic->encode(image_data);
kdDebug(14140) << k_funcinfo << "Sendinf frame of size " << frame.size() << endl;
//build the header.
QByteArray header;
QDataStream writer(header, IO_WriteOnly);
writer.setByteOrder(QDataStream::LittleEndian);
writer << (Q_UINT16)24; // header size
writer << (Q_UINT16)img.width();
writer << (Q_UINT16)img.height();
writer << (Q_UINT16)0x0000; //wtf .?
writer << (Q_UINT32)frame.size();
writer << (Q_UINT8)('M') << (Q_UINT8)('L') << (Q_UINT8)('2') << (Q_UINT8)('0');
writer << (Q_UINT32)0x00000000; //wtf .?
writer << QTime::currentTime(); //FIXME: possible midnight bug ?
m_webcamSocket->writeBlock(header.data(), header.size());
m_webcamSocket->writeBlock(frame.data(), frame.size());
}
}
#include "webcam.moc"
#endif
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