kmplayer/src/kmplayerbroadcast.cpp

/* this file is part of the kmplayer application
   copyright (c) 2003 koos vriezen <koos.vriezen@xs4all.nl>

   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.

   this program 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 this program; see the file copying.  if not, write to
   the free software foundation, inc., 59 temple place - suite 330,
   boston, ma 02110-1301, usa.
*/
#include <algorithm>

#include <tqlayout.h>
#include <tqlabel.h>
#include <tqpushbutton.h>
#include <tqtable.h>
#include <tqstringlist.h>
#include <tqcombobox.h>
#include <tqlistbox.h>
#include <tqlineedit.h>
#include <tqwhatsthis.h>
#include <tqtabwidget.h>
#include <tqcursor.h>
#include <tqdir.h>
#include <tqfile.h>
#include <tqtimer.h>

#include <klocale.h>
#include <kdebug.h>
#include <kled.h>
#include <tdeconfig.h>
#include <kprocess.h>
#include <kprocctrl.h>
#include <kmessagebox.h>

#include "kmplayerbroadcast.h"
#include "kmplayerprocess.h"
#include "kmplayerview.h"
#include "kmplayerpartbase.h"

static const char * strBroadcast = "Broadcast";
static const char * strBindAddress = "Bind Address";
static const char * strFFServerPort = "FFServer Port";
static const char * strMaxClients = "Maximum Connections";
static const char * strMaxBandwidth = "Maximum Bandwidth";
static const char * strFeedFile = "Feed File";
static const char * strFeedFileSize = "Feed File Size";
//static const char * strFFServerSetting = "FFServer Setting";
static const char * strFFServerCustomSetting = "Custom Setting";
static const char * strFFServerProfiles = "Profiles";


KDE_NO_CDTOR_EXPORT FFServerSetting::FFServerSetting (int i, const TQString & n, const TQString & f, const TQString & ac, int abr, int asr, const TQString & vc, int vbr, int q, int fr, int gs, int w, int h)
 : index (i), name (n), format (f), audiocodec (ac),
   audiobitrate (abr > 0 ? TQString::number (abr) : TQString ()),
   audiosamplerate (asr > 0 ? TQString::number (asr) : TQString ()),
   videocodec (vc),
   videobitrate (vbr > 0 ? TQString::number (vbr) : TQString ()),
   quality (q > 0 ? TQString::number (q) : TQString ()),
   framerate (fr > 0 ? TQString::number (fr) : TQString ()),
   gopsize (gs > 0 ? TQString::number (gs) : TQString ()),
   width (w > 0 ? TQString::number (w) : TQString ()),
   height (h > 0 ? TQString::number (h) : TQString ()) {}

KDE_NO_EXPORT FFServerSetting & FFServerSetting::operator = (const FFServerSetting & fs) {
    format = fs.format;
    audiocodec = fs.audiocodec;
    audiobitrate = fs.audiobitrate;
    audiosamplerate = fs.audiosamplerate;
    videocodec = fs.videocodec;
    videobitrate = fs.videobitrate;
    quality = fs.quality;
    framerate = fs.framerate;
    gopsize = fs.gopsize;
    width = fs.width;
    height = fs.height;
    return *this;
}

KDE_NO_EXPORT FFServerSetting & FFServerSetting::operator = (const TQStringList & sl) {
    if (sl.count () < 11) {
        return *this;
    }
    TQStringList::const_iterator it = sl.begin ();
    format = *it++;
    audiocodec = *it++;
    audiobitrate = *it++;
    audiosamplerate = *it++;
    videocodec = *it++;
    videobitrate = *it++;
    quality = *it++;
    framerate = *it++;
    gopsize = *it++;
    width = *it++;
    height = *it++;
    acl.clear ();
    TQStringList::const_iterator end( sl.end() );
    for (; it != end; ++it)
        acl.push_back (*it);
    return *this;
}

KDE_NO_EXPORT TQString & FFServerSetting::ffconfig (TQString & buf) {
    TQString nl ("\n");
    buf = TQString ("Format ") + format + nl;
    if (!audiocodec.isEmpty ())
        buf += TQString ("AudioCodec ") + audiocodec + nl;
    if (!audiobitrate.isEmpty ())
        buf += TQString ("AudioBitRate ") + audiobitrate + nl;
    if (!audiosamplerate.isEmpty () > 0)
        buf += TQString ("AudioSampleRate ") + audiosamplerate + nl;
    if (!videocodec.isEmpty ())
        buf += TQString ("VideoCodec ") + videocodec + nl;
    if (!videobitrate.isEmpty ())
        buf += TQString ("VideoBitRate ") + videobitrate + nl;
    if (!quality.isEmpty ())
        buf += TQString ("VideoTQMin ") + quality + nl;
    if (!framerate.isEmpty ())
        buf += TQString ("VideoFrameRate ") + framerate + nl;
    if (!gopsize.isEmpty ())
        buf += TQString ("VideoGopSize ") + gopsize + nl;
    if (!width.isEmpty () && !height.isEmpty ())
        buf += TQString ("VideoSize ") + width + TQString ("x") + height + nl;
    return buf;
}

KDE_NO_EXPORT const TQStringList FFServerSetting::list () {
    TQStringList sl;
    sl.push_back (format);
    sl.push_back (audiocodec);
    sl.push_back (audiobitrate);
    sl.push_back (audiosamplerate);
    sl.push_back (videocodec);
    sl.push_back (videobitrate);
    sl.push_back (quality);
    sl.push_back (framerate);
    sl.push_back (gopsize);
    sl.push_back (width);
    sl.push_back (height);
    TQStringList::const_iterator it = acl.begin ();
    TQStringList::const_iterator end( acl.end () );
    for (; it != end; ++it)
        sl.push_back (*it);
    return sl;
}

//-----------------------------------------------------------------------------

KDE_NO_CDTOR_EXPORT KMPlayerPrefBroadcastPage::KMPlayerPrefBroadcastPage (TQWidget *parent) : TQFrame (parent) {
    TQVBoxLayout *layout = new TQVBoxLayout (this, 5);
    TQGridLayout *gridlayout = new TQGridLayout (layout, 6, 2, 2);
    TQLabel *label = new TQLabel (i18n ("Bind address:"), this);
    bindaddress = new TQLineEdit ("", this);
    TQWhatsThis::add (bindaddress, i18n ("If you have multiple network devices, you can limit access"));
    gridlayout->addWidget (label, 0, 0);
    gridlayout->addWidget (bindaddress, 0, 1);
    label = new TQLabel (i18n ("Listen port:"), this);
    port = new TQLineEdit ("", this);
    gridlayout->addWidget (label, 1, 0);
    gridlayout->addWidget (port, 1, 1);
    label = new TQLabel (i18n ("Maximum connections:"), this);
    maxclients = new TQLineEdit ("", this);
    gridlayout->addWidget (label, 2, 0);
    gridlayout->addWidget (maxclients, 2, 1);
    label = new TQLabel (i18n ("Maximum bandwidth (kbit):"), this);
    maxbandwidth = new TQLineEdit ("", this);
    gridlayout->addWidget (label, 3, 0);
    gridlayout->addWidget (maxbandwidth, 3, 1);
    label = new TQLabel (i18n ("Temporary feed file:"), this);
    feedfile = new TQLineEdit ("", this);
    gridlayout->addWidget (label, 4, 0);
    gridlayout->addWidget (feedfile, 4, 1);
    label = new TQLabel (i18n ("Feed file size (kB):"), this);
    feedfilesize = new TQLineEdit ("", this);
    gridlayout->addWidget (label, 5, 0);
    gridlayout->addWidget (feedfilesize, 5, 1);
    layout->addItem (new TQSpacerItem (0, 0, TQSizePolicy::Minimum, TQSizePolicy::Expanding));
}

//-----------------------------------------------------------------------------

#undef ADDPROPERTY
#define ADDPROPERTY(label,qedit,gridlayout,row,parent)                  \
    qedit = new TQLineEdit ("", parent);                                 \
    gridlayout->addWidget (new TQLabel (qedit, label, parent), row, 0);  \
    gridlayout->addWidget (qedit, row, 1);

KDE_NO_CDTOR_EXPORT KMPlayerPrefBroadcastFormatPage::KMPlayerPrefBroadcastFormatPage (TQWidget *parent, FFServerSettingList & ffs) : TQFrame (parent, "BroadcastPage"), profiles (ffs)
{
    TQHBoxLayout *layout = new TQHBoxLayout (this, 5);
    TQGridLayout *formatlayout = new TQGridLayout (11, 2, 2);
    formatlayout->setAlignment (TQt::AlignTop);
    TQVBoxLayout *leftlayout = new TQVBoxLayout (15);
    TQHBoxLayout *ledlayout = new TQHBoxLayout (5);
    format = new TQComboBox (this);
    TQLabel * label = new TQLabel (format, i18n ("Format:"), this);
    format->clear ();
    format->insertItem (TQString ("asf"));
    format->insertItem (TQString ("avi"));
    format->insertItem (TQString ("mpjpeg"));
    format->insertItem (TQString ("mpeg"));
    format->insertItem (TQString ("rm"));
    format->insertItem (TQString ("swf"));
    TQWhatsThis::add (format, i18n ("Only avi, mpeg and rm work for mplayer playback"));
    formatlayout->addWidget (label, 0, 0);
    formatlayout->addWidget (format, 0, 1);
    ADDPROPERTY (i18n ("Audio codec:"), audiocodec, formatlayout, 1, this);
    ADDPROPERTY (i18n ("Audio bit rate (kbit):"), audiobitrate, formatlayout, 2, this);
    ADDPROPERTY (i18n ("Audio sample rate (Hz):"), audiosamplerate, formatlayout, 3, this);
    ADDPROPERTY (i18n ("Video codec:"), videocodec, formatlayout, 4, this);
    ADDPROPERTY (i18n ("Video bit rate (kbit):"), videobitrate, formatlayout, 5, this);
    ADDPROPERTY (i18n ("Quality (1-31):"), quality, formatlayout, 6, this);
    ADDPROPERTY (i18n ("Frame rate (Hz):"), framerate, formatlayout, 7, this);
    ADDPROPERTY (i18n ("Gop size:"), gopsize, formatlayout, 8, this);
    ADDPROPERTY (i18n ("Width (pixels):"), moviewidth, formatlayout, 9, this);
    ADDPROPERTY (i18n ("Height (pixels):"), movieheight, formatlayout, 10, this);
    label = new TQLabel (i18n ("Allow access from:"), this);
    accesslist = new TQTable (40, 1, this);
    accesslist->verticalHeader ()->hide ();
    accesslist->setLeftMargin (0);
    accesslist->setColumnWidth (0, 250);
    TQWhatsThis::add (accesslist, i18n ("'Single IP' or 'start-IP end-IP' for IP ranges"));
    TQHeader *header = accesslist->horizontalHeader ();
    header->setLabel (0, i18n ("Host/IP or IP Range"));
    TQFrame *profileframe = new TQFrame (this);
    TQGridLayout *profileslayout = new TQGridLayout (profileframe, 5, 2, 2);
    profile = new TQLineEdit ("", profileframe);
    connect (profile, TQT_SIGNAL(textChanged (const TQString &)),
             this, TQT_SLOT (slotTextChanged (const TQString &)));
    profilelist = new TQListBox (profileframe);
    for (int i = 0; i < (int) profiles.size (); i++)
        profilelist->insertItem (profiles[i]->name, i);
    connect (profilelist, TQT_SIGNAL (selected (int)),
             this, TQT_SLOT (slotIndexChanged (int)));
    connect (profilelist, TQT_SIGNAL (highlighted (int)),
             this, TQT_SLOT (slotItemHighlighted (int)));
    load = new TQPushButton (i18n ("Load"), profileframe);
    save = new TQPushButton (i18n ("Save"), profileframe);
    del = new TQPushButton (i18n ("Delete"), profileframe);
    load->setEnabled (false);
    save->setEnabled (false);
    del->setEnabled (false);
    connect (load, TQT_SIGNAL (clicked ()), this, TQT_SLOT (slotLoad ()));
    connect (save, TQT_SIGNAL (clicked ()), this, TQT_SLOT (slotSave ()));
    connect (del, TQT_SIGNAL (clicked ()), this, TQT_SLOT (slotDelete ()));
    profileslayout->addWidget (profile, 0, 0);
    profileslayout->setRowSpacing (4, 60);
    profileslayout->addMultiCellWidget (profilelist, 1, 4, 0, 0);
    profileslayout->addWidget (load, 1, 1);
    profileslayout->addWidget (save, 2, 1);
    profileslayout->addWidget (del, 3, 1);
    leftlayout->addWidget (profileframe);
    startbutton = new TQPushButton (i18n ("Start"), this);
    serverled = new KLed (TQt::green, KLed::Off, KLed::Raised, KLed::Circular, this);
    feedled = new KLed (TQt::green, KLed::Off, KLed::Raised, KLed::Circular, this);
    ledlayout->addWidget (startbutton);
    ledlayout->addItem (new TQSpacerItem (0, 0, TQSizePolicy::Expanding, TQSizePolicy::Minimum));
    ledlayout->addWidget (serverled);
    ledlayout->addWidget (feedled);
    leftlayout->addLayout (ledlayout);
    TQFrame * line = new TQFrame (this);
    line->setFrameShape (TQFrame::HLine);
    leftlayout->addWidget (line);
    leftlayout->addWidget (label);
    leftlayout->addWidget (accesslist);
    leftlayout->addItem (new TQSpacerItem (0, 0, TQSizePolicy::Minimum, TQSizePolicy::Expanding));
    layout->addLayout (leftlayout);
    line = new TQFrame (this);
    line->setFrameShape (TQFrame::VLine);
    layout->addWidget (line);
    layout->addLayout (formatlayout);
    layout->addItem (new TQSpacerItem (0, 0, TQSizePolicy::Minimum, TQSizePolicy::Expanding));
}

#undef ADDPROPERTY

KDE_NO_EXPORT void KMPlayerPrefBroadcastFormatPage::setSettings (const FFServerSetting & fs) {
    if (!fs.format.isEmpty ())
        format->setCurrentText (fs.format);
    audiocodec->setText (fs.audiocodec);
    audiobitrate->setText (fs.audiobitrate);
    audiosamplerate->setText (fs.audiosamplerate);
    videocodec->setText (fs.videocodec);
    videobitrate->setText (fs.videobitrate);
    quality->setText (fs.quality);
    framerate->setText (fs.framerate);
    gopsize->setText (fs.gopsize);
    moviewidth->setText (fs.width);
    movieheight->setText (fs.height);
    accesslist->setNumRows (0);
    accesslist->setNumRows (50);
    TQStringList::const_iterator it = fs.acl.begin ();
    TQStringList::const_iterator end( fs.acl.end () );
    for (int i = 0; it != end; ++i, ++it)
        accesslist->setItem (i, 0, new TQTableItem (accesslist, TQTableItem::Always, *it));
}

KDE_NO_EXPORT void KMPlayerPrefBroadcastFormatPage::getSettings (FFServerSetting & fs) {
    fs.format = format->currentText ();
    fs.audiocodec = audiocodec->text ();
    fs.audiobitrate = audiobitrate->text ();
    fs.audiosamplerate = audiosamplerate->text ();
    fs.videocodec = videocodec->text ();
    fs.videobitrate = videobitrate->text ();
    fs.quality = quality->text ();
    fs.framerate = framerate->text ();
    fs.gopsize = gopsize->text ();
    fs.width = moviewidth->text ();
    fs.height = movieheight->text ();
    fs.acl.clear ();
    for (int i = 0; i < accesslist->numRows (); ++i) {
        if (accesslist->item (i, 0) && !accesslist->item (i, 0)->text ().isEmpty ())
            fs.acl.push_back (accesslist->item (i, 0)->text ());
    }
}

KDE_NO_EXPORT void KMPlayerPrefBroadcastFormatPage::slotIndexChanged (int index) {
    slotItemHighlighted (index);
    if (index >= 0 && index < (int) profiles.size ())
        setSettings (*profiles[index]);
}

KDE_NO_EXPORT void KMPlayerPrefBroadcastFormatPage::slotTextChanged (const TQString & txt) {
    save->setEnabled (txt.length ());
}

KDE_NO_EXPORT void KMPlayerPrefBroadcastFormatPage::slotItemHighlighted (int index) {
    if (index < 0 || index >= (int) profiles.size ()) {
        load->setEnabled (false);
        del->setEnabled (false);
    } else {
        profile->setText (profiles[profilelist->currentItem ()]->name);
        load->setEnabled (true);
        del->setEnabled (true);
        slotTextChanged (profilelist->currentText ());
    }
}

KDE_NO_EXPORT void KMPlayerPrefBroadcastFormatPage::slotSave () {
    for (int i = 0; i < (int) profiles.size (); ++i)
        if (profiles[i]->name == profile->text ()) {
            getSettings (*profiles[i]);
            return;
        }
    FFServerSetting * fs = new FFServerSetting;
    fs->name = profile->text ();
    getSettings (*fs);
    profiles.push_back (fs);
    profilelist->insertItem (fs->name);
}

KDE_NO_EXPORT void KMPlayerPrefBroadcastFormatPage::slotLoad () {
    setSettings (*profiles[profilelist->currentItem ()]);
}

KDE_NO_EXPORT void KMPlayerPrefBroadcastFormatPage::slotDelete () {
    FFServerSettingList::iterator it = profiles.begin();
    for (int i = 0; i < profilelist->currentItem (); i++)
        ++it;
    delete *it;
    profiles.erase (it);
    profilelist->removeItem (profilelist->currentItem ());
    load->setEnabled (false);
    del->setEnabled (false);
}

//-----------------------------------------------------------------------------

static bool stopProcess (TDEProcess * process, const char * cmd = 0L) {
    if (!process || !process->isRunning ()) return true;
    do {
        if (cmd)
            process->writeStdin (cmd, strlen (cmd));
        TDEProcessController::theTDEProcessController->waitForProcessExit (1);
        if (!process->isRunning ())
            break;
        process->kill (SIGINT);
        TDEProcessController::theTDEProcessController->waitForProcessExit (3);
        if (!process->isRunning ())
            break;
        process->kill (SIGTERM);
        TDEProcessController::theTDEProcessController->waitForProcessExit (1);
        if (!process->isRunning ())
            break;
        process->kill (SIGKILL);
        TDEProcessController::theTDEProcessController->waitForProcessExit (1);
        if (process->isRunning ()) {
            return false; // give up
        }
    } while (false);
    return true;
}


KDE_NO_CDTOR_EXPORT KMPlayerBroadcastConfig::KMPlayerBroadcastConfig (KMPlayer::PartBase * player, KMPlayerFFServerConfig * fsc)
 : m_player (player),
   m_ffserverconfig (fsc),
   m_ffmpeg_process (0L),
   m_ffserver_process (0L),
   m_endserver (true) {
}

KDE_NO_CDTOR_EXPORT KMPlayerBroadcastConfig::~KMPlayerBroadcastConfig () {
    stopServer ();
}

KDE_NO_EXPORT void KMPlayerBroadcastConfig::write (TDEConfig * config) {
    config->setGroup (strBroadcast);
    config->writeEntry (strFFServerCustomSetting, ffserversettings.list (), ';');
    TQStringList sl;
    for (int i = 0; i < (int) ffserversettingprofiles.size (); i++) {
        sl.push_back (ffserversettingprofiles[i]->name);
        config->writeEntry (TQString ("Profile_") + ffserversettingprofiles[i]->name, ffserversettingprofiles[i]->list(), ';');
    }
    config->writeEntry (strFFServerProfiles, sl, ';');
}

KDE_NO_EXPORT void KMPlayerBroadcastConfig::read (TDEConfig * config) {
    std::for_each (ffserversettingprofiles.begin (), ffserversettingprofiles.end (), KMPlayer::Deleter<FFServerSetting>());
    ffserversettingprofiles.clear ();
    config->setGroup (strBroadcast);
    ffserversettings = config->readListEntry (strFFServerCustomSetting, ';');
    TQStringList profiles = config->readListEntry (strFFServerProfiles, ';');
    TQStringList::iterator pr_it = profiles.begin ();
    TQStringList::iterator pr_end( profiles.end () );
    for (; pr_it != pr_end; ++pr_it) {
        TQStringList sl = config->readListEntry (TQString ("Profile_") + *pr_it, ';');
        if (sl.size () > 10) {
            FFServerSetting * ffs = new FFServerSetting (sl);
            ffs->name = *pr_it;
            ffserversettingprofiles.push_back (ffs);
        }
    }
}

KDE_NO_EXPORT void KMPlayerBroadcastConfig::sync (bool fromUI) {
    if (fromUI) {
        m_configpage->getSettings(ffserversettings);
    } else {
        m_configpage->setSettings (ffserversettings);
        m_configpage->profile->setText (TQString ());
    }
}

KDE_NO_EXPORT void KMPlayerBroadcastConfig::prefLocation (TQString & item, TQString & icon, TQString & tab) {
    item = i18n ("Broadcasting");
    icon = TQString ("share");
    tab = i18n ("Profiles");
}

TQFrame * KMPlayerBroadcastConfig::prefPage (TQWidget * parent) {
    if (!m_configpage) {
        m_configpage = new KMPlayerPrefBroadcastFormatPage (parent, ffserversettingprofiles);
        connect (m_configpage->startbutton, TQT_SIGNAL (clicked ()), this, TQT_SLOT (startServer ()));
        connect (m_player, TQT_SIGNAL (sourceChanged (KMPlayer::Source *, KMPlayer::Source *)), this, TQT_SLOT (sourceChanged (KMPlayer::Source *,KMPlayer::Source *)));
        m_configpage->startbutton->setEnabled
            (!m_player->source ()->videoDevice ().isEmpty ());
    }
    return m_configpage;
}

KDE_NO_EXPORT bool KMPlayerBroadcastConfig::broadcasting () const {
    return m_ffserver_process && m_ffserver_process->isRunning ();
}
#include <kglobal.h>
#include <kstandarddirs.h>

static const char ffserverconf[] =
"Port %d\nBindAddress %s\nMaxClients %d\nMaxBandwidth %d\n"
"CustomLog -\nNoDaemon\n"
"<Feed kmplayer.ffm>\nFile %s\nFileMaxSize %dK\nACL allow 127.0.0.1\n</Feed>\n"
"<Stream video.%s>\nFeed kmplayer.ffm\n%s\n%s%s\n</Stream>\n"
"<Stream stat.html>\nFormat status\nACL allow localhost\n</Stream>\n";

KDE_NO_EXPORT void KMPlayerBroadcastConfig::startServer () {
    if (broadcasting ()) {
        stopServer ();
        return;
    }
    m_configpage->setCursor (TQCursor (TQt::WaitCursor));
    m_ffserver_process = new TDEProcess;
    m_ffserver_process->setUseShell (true);
    connect (m_ffserver_process, TQT_SIGNAL (processExited (TDEProcess *)),
             this, TQT_SLOT (processStopped (TDEProcess *)));
    TQString conffile = locateLocal ("data", "kmplayer/ffserver.conf");
    const char * noaudio = m_player->source ()->audioDevice ().isEmpty () ? "NoAudio" : "";
    FFServerSetting ffs;
    m_configpage->getSettings (ffs);
    TQString acl;
    TQStringList::iterator it = ffs.acl.begin ();
    TQStringList::iterator end(  ffs.acl.end () );
    for (; it != end; ++it)
        acl += TQString ("ACL allow ") + *it + TQString ("\n");
    unlink (m_ffserverconfig->feedfile.ascii ());
    TQFile qfile (conffile);
    qfile.open (IO_WriteOnly);
    TQString configdata;
    TQString buf;
    configdata.sprintf (ffserverconf, m_ffserverconfig->ffserverport, m_ffserverconfig->bindaddress.ascii (), m_ffserverconfig->maxclients, m_ffserverconfig->maxbandwidth, m_ffserverconfig->feedfile.ascii (), m_ffserverconfig->feedfilesize, ffs.format.ascii (), acl.ascii (), ffs.ffconfig (buf).ascii (), noaudio);
    qfile.writeBlock (configdata.ascii (), configdata.length ());
    qfile.close ();
    kdDebug () << configdata << endl;
    kdDebug () << "ffserver -f " << conffile << endl;
    *m_ffserver_process << "ffserver -f " << conffile;
    m_ffserver_out.truncate (0);
    connect (m_ffserver_process,
             TQT_SIGNAL (receivedStderr (TDEProcess *, char *, int)),
             this, TQT_SLOT (processOutput (TDEProcess *, char *, int)));
    m_ffserver_process->start (TDEProcess::NotifyOnExit, TDEProcess::Stderr);
    if (m_ffserver_process->isRunning ()) {
        m_configpage->startbutton->setText (i18n ("Stop"));
        m_configpage->serverled->setState (KLed::On);
        emit broadcastStarted ();
    }
    TQTimer::singleShot (500, this, TQT_SLOT (startFeed ()));
}

KDE_NO_EXPORT void KMPlayerBroadcastConfig::stopServer () {
    m_endserver = true;
    if (m_ffmpeg_process)
        m_ffmpeg_process->stop ();
    if (!stopProcess (m_ffserver_process))
        KMessageBox::error (m_configpage, i18n ("Failed to end ffserver process."), i18n ("Error"));
}

KDE_NO_EXPORT void KMPlayerBroadcastConfig::processOutput (TDEProcess * p, char * s, int) {
    if (p == m_ffserver_process)
        m_ffserver_out += TQString (s);
}

KDE_NO_EXPORT void KMPlayerBroadcastConfig::startFeed () {
    if (!m_configpage) {
        stopServer ();
        return;
    }
    FFServerSetting ffs;
    m_configpage->getSettings (ffs);
    TQString ffurl;
    if (!m_ffserver_process || !m_ffserver_process->isRunning ()) {
        KMessageBox::error (m_configpage, i18n ("Failed to start ffserver.\n") + m_ffserver_out, i18n ("Error"));
        goto bail_out;
    }
    disconnect (m_ffserver_process, TQT_SIGNAL (receivedStderr (TDEProcess *, char *, int)),
                this, TQT_SLOT (processOutput (TDEProcess *, char *, int)));
    if (m_ffmpeg_process)
        m_ffmpeg_process->stop ();
    delete m_ffmpeg_process;
    m_ffmpeg_process = new KMPlayer::FFMpeg (m_player, m_player->settings ());
    connect (m_ffmpeg_process, TQT_SIGNAL (stateChange (KMPlayer::Process::State, KMPlayer::Process::State)), this, TQT_SLOT (stateChange (KMPlayer::Process::State, KMPlayer::Process::State)));
    ffurl.sprintf ("http://localhost:%d/kmplayer.ffm", m_ffserverconfig->ffserverport);
    m_ffmpeg_process->setURL (KURL(ffurl));
    if (!m_ffmpeg_process->play (m_player->source (), KMPlayer::NodePtr())) {
        KMessageBox::error (m_configpage, i18n ("Failed to start ffmpeg."), i18n ("Error"));
        stopProcess (m_ffserver_process);
        goto bail_out;
    }
    if (m_ffmpeg_process->playing ()) {
        m_ffserver_url.sprintf ("http://localhost:%d/video.%s", m_ffserverconfig->ffserverport, ffs.format.ascii ());
        m_endserver = false;
        m_configpage->feedled->setState (KLed::On);
        m_player->openURL (KURL (m_ffserver_url));
    } else
        stopServer ();
bail_out:
    m_configpage->setCursor (TQCursor (TQt::ArrowCursor));
}

KDE_NO_EXPORT void KMPlayerBroadcastConfig::stateChange (KMPlayer::Process::State old, KMPlayer::Process::State state) {
    if (state < KMPlayer::Process::Buffering && old >KMPlayer::Process::Ready) {
        if (m_configpage)
            m_configpage->feedled->setState (KLed::Off);
        m_ffmpeg_process->deleteLater ();
        m_ffmpeg_process = 0L;
        kdDebug () << "ffmpeg process stopped " << m_endserver << endl;
        if (m_endserver && !stopProcess (m_ffserver_process)) {
            disconnect (m_ffserver_process,
                    TQT_SIGNAL (receivedStderr (TDEProcess *, char *, int)),
                    this, TQT_SLOT (processOutput (TDEProcess *, char *, int)));
            KMessageBox::error (m_configpage, i18n ("Failed to end ffserver process."), i18n ("Error"));
            processStopped (0L);
        }
    }
}

KDE_NO_EXPORT void KMPlayerBroadcastConfig::processStopped (TDEProcess *) {
    kdDebug () << "ffserver process stopped" << endl;
    if (m_configpage) {
        m_configpage->serverled->setState (KLed::Off);
        m_configpage->startbutton->setText (i18n ("Start"));
        m_configpage->startbutton->setEnabled
            (!m_player->source ()->videoDevice ().isEmpty ());
    }
    m_ffserver_process->deleteLater ();
    m_ffserver_process = 0L;
    emit broadcastStopped ();
}

KDE_NO_EXPORT void KMPlayerBroadcastConfig::sourceChanged (KMPlayer::Source *, KMPlayer::Source * source) {
    if (m_configpage)
        m_configpage->startbutton->setEnabled (broadcasting () || (source && !source->videoDevice ().isEmpty ()));
}
//-----------------------------------------------------------------------------

KDE_NO_CDTOR_EXPORT KMPlayerFFServerConfig::KMPlayerFFServerConfig () {
}

KDE_NO_EXPORT void KMPlayerFFServerConfig::write (TDEConfig * config) {
    config->setGroup (strBroadcast);
    config->writeEntry (strBindAddress, bindaddress);
    config->writeEntry (strFFServerPort, ffserverport);
    config->writeEntry (strMaxClients, maxclients);
    config->writeEntry (strMaxBandwidth, maxbandwidth);
    config->writePathEntry (strFeedFile, feedfile);
    config->writeEntry (strFeedFileSize, feedfilesize);
}

KDE_NO_EXPORT void KMPlayerFFServerConfig::read (TDEConfig * config) {
    config->setGroup (strBroadcast);
    bindaddress = config->readEntry (strBindAddress, "0.0.0.0");
    ffserverport = config->readNumEntry (strFFServerPort, 8090);
    maxclients = config->readNumEntry (strMaxClients, 10);
    maxbandwidth = config->readNumEntry (strMaxBandwidth, 1000);
    feedfile = config->readPathEntry (strFeedFile, "/tmp/kmplayer.ffm");
    feedfilesize = config->readNumEntry (strFeedFileSize, 512);
}

KDE_NO_EXPORT void KMPlayerFFServerConfig::sync (bool fromUI) {
    if (fromUI) {
        bindaddress = m_configpage->bindaddress->text ();
        ffserverport = m_configpage->port->text ().toInt ();
        maxclients = m_configpage->maxclients->text ().toInt ();
        maxbandwidth = m_configpage->maxbandwidth->text ().toInt();
        feedfile = m_configpage->feedfile->text ();
        feedfilesize = m_configpage->feedfilesize->text ().toInt();
    } else {
        m_configpage->bindaddress->setText (bindaddress);
        m_configpage->port->setText (TQString::number (ffserverport));
        m_configpage->maxclients->setText (TQString::number (maxclients));
        m_configpage->maxbandwidth->setText (TQString::number (maxbandwidth));
        m_configpage->feedfile->setText (feedfile);
        m_configpage->feedfilesize->setText (TQString::number (feedfilesize));
    }
}

KDE_NO_EXPORT void KMPlayerFFServerConfig::prefLocation (TQString & item, TQString & icon, TQString & tab) {
    item = i18n ("Broadcasting");
    icon = TQString ("share");
    tab = i18n ("FFServer");
}

KDE_NO_EXPORT TQFrame *KMPlayerFFServerConfig::prefPage (TQWidget * parent) {
    if (!m_configpage)
        m_configpage = new KMPlayerPrefBroadcastPage (parent);
    return m_configpage;
}


#include "kmplayerbroadcast.moc"