File indexing completed on 2024-04-21 04:54:11

 /*
     This file belong to the KMPlayer project, a movie player plugin for Konqueror
     SPDX-FileCopyrightText: 2007 Koos Vriezen <koos.vriezen@gmail.com>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include <QTextStream>
 #include <QApplication>
 #include <QMovie>
 #include <QBuffer>
 #include <QPainter>
 #include <QSvgRenderer>
 #include <QImage>
 #include <QFile>
 #include <QUrl>
 #include <QTextCodec>
 #include <QTextStream>
 #include <QMimeDatabase>
 #include <QMimeType>
 
 #include <KLocalizedString>
 #include <KIO/Job>
 #include <KUrlAuthorized>
 
 #include "mediaobject.h"
 #include "kmplayerprocess.h"
 #include "kmplayerview.h"
 #include "expression.h"
 #include "viewarea.h"
 #include "kmplayerpartbase.h"
 #include "kmplayercommon_log.h"
 
 using namespace KMPlayer;
 
 namespace {
 
     typedef QMap <QString, ImageDataPtrW> ImageDataMap;
 
     static DataCache *memory_cache;
     static ImageDataMap *image_data_map;
 
     struct GlobalMediaData : public GlobalShared<GlobalMediaData> {
         GlobalMediaData (GlobalMediaData **gb)
          : GlobalShared<GlobalMediaData> (gb) {
             memory_cache = new DataCache;
             image_data_map = new ImageDataMap;
         }
         ~GlobalMediaData () override;
     };
 
     static GlobalMediaData *global_media;
 
     GlobalMediaData::~GlobalMediaData () {
         delete memory_cache;
         delete image_data_map;
         global_media = nullptr;
     }
 
     bool isBufferBinaryData(const QByteArray &data)
     {
         // Check the first 32 bytes (see shared-mime spec)
         const char *p = data.data();
         const int end = qMin(32, data.size());
         for (int i = 0; i < end; ++i) {
             if ((unsigned char)(p[i]) < 32 && p[i] != 9 && p[i] != 10 && p[i] != 13) { // ASCII control character
                 return true;
             }
         }
         return false;
     }
 
 }
 
 //------------------------%<----------------------------------------------------
 
 MediaManager::MediaManager (PartBase *player) : m_player (player) {
     if (!global_media)
         (void) new GlobalMediaData (&global_media);
     else
         global_media->ref ();
 
     m_process_infos ["mplayer"] = new MPlayerProcessInfo (this);
     m_process_infos ["phonon"] = new PhononProcessInfo (this);
     //XineProcessInfo *xpi = new XineProcessInfo (this);
     //m_process_infos ["xine"] = xpi;
     //m_process_infos ["gstreamer"] = new GStreamer (this, m_settings);, i18n ("&GStreamer")
 #ifdef KMPLAYER_WITH_NPP
     m_process_infos ["npp"] = new NppProcessInfo (this);
 #endif
     m_record_infos ["mencoder"] = new MEncoderProcessInfo (this);
     m_record_infos ["mplayerdumpstream"] = new MPlayerDumpProcessInfo (this);
     m_record_infos ["ffmpeg"] = new FFMpegProcessInfo (this);
     //m_record_infos ["xine"] = xpi;
 }
 
 MediaManager::~MediaManager () {
     for (ProcessList::iterator i = m_processes.begin ();
             i != m_processes.end ();
             i = m_processes.begin () /*~Process removes itself from this list*/)
     {
         qCDebug(LOG_KMPLAYER_COMMON) << "~MediaManager " << *i << endl;
         delete *i;
     }
     for (ProcessList::iterator i = m_recorders.begin ();
             i != m_recorders.end ();
             i = m_recorders.begin ())
     {
         qCDebug(LOG_KMPLAYER_COMMON) << "~MediaManager " << *i << endl;
         delete *i;
     }
     const ProcessInfoMap::iterator ie = m_process_infos.end ();
     for (ProcessInfoMap::iterator i = m_process_infos.begin (); i != ie; ++i)
         if (!m_record_infos.contains (i.key ()))
             delete i.value ();
 
     const ProcessInfoMap::iterator rie = m_record_infos.end ();
     for (ProcessInfoMap::iterator i = m_record_infos.begin (); i != rie; ++i)
         delete i.value ();
 
     if (m_media_objects.size ()) {
         qCCritical(LOG_KMPLAYER_COMMON) << "~MediaManager media list not empty " << m_media_objects.size () << endl;
         // bug elsewere, but don't crash
         const MediaList::iterator me = m_media_objects.end ();
         for (MediaList::iterator i = m_media_objects.begin (); i != me; ) {
             if (*i && (*i)->mrl () &&
                     (*i)->mrl ()->document ()->active ()) {
                 (*i)->mrl ()->document ()->deactivate ();
                 i = m_media_objects.begin ();
             } else {
                 ++i;
             }
         }
         if (m_media_objects.size ())
             qCCritical(LOG_KMPLAYER_COMMON) << "~MediaManager media list still not empty" << m_media_objects.size () << endl;
     }
     global_media->unref ();
 }
 
 MediaObject *MediaManager::createAVMedia (Node *node, const QByteArray &) {
     RecordDocument *rec = id_node_record_document == node->id
         ? convertNode <RecordDocument> (node)
         : nullptr;
     if (!rec && !m_player->source()->authoriseUrl (
                 node->mrl()->absolutePath ()))
         return nullptr;
 
     AudioVideoMedia *av = new AudioVideoMedia (this, node);
     if (rec) {
         av->process = m_record_infos[rec->recorder]->create (m_player, av);
         m_recorders.push_back (av->process);
         qCDebug(LOG_KMPLAYER_COMMON) << "Adding recorder " << endl;
     } else {
         av->process = m_process_infos[m_player->processName (
                 av->mrl ())]->create (m_player, av);
         m_processes.push_back (av->process);
     }
     av->process->user = av;
     av->setViewer (!rec
         ? m_player->viewWidget ()->viewArea ()->createVideoWidget ()
         : nullptr);
 
     if (av->process->state () <= IProcess::Ready)
         av->process->ready ();
     return av;
 }
 
 static const QString statemap [] = {
     i18n ("Not Running"), i18n ("Ready"), i18n ("Buffering"), i18n ("Playing"),  i18n ("Paused")
 };
 
 void MediaManager::stateChange (AudioVideoMedia *media,
         IProcess::State olds, IProcess::State news) {
     //p->viewer()->view()->controlPanel()->setPlaying(news > Process::Ready);
     Mrl *mrl = media->mrl ();
     qCDebug(LOG_KMPLAYER_COMMON) << "processState " << media->process->process_info->name << " "
         << statemap[olds] << " -> " << statemap[news];
 
     if (!mrl) { // document dispose
         if (IProcess::Ready < news)
             media->process->quit ();
         else
             delete media;
         return;
     }
 
     if (!m_player->view ()) // part destruction
         return;
 
     bool is_rec = id_node_record_document == mrl->id;
     m_player->updateStatus (i18n ("Player %1 %2",
                 media->process->process_info->name, statemap[news]));
     if (IProcess::Playing == news) {
         if (Element::state_deferred == mrl->state)
             mrl->undefer ();
         bool has_video = !is_rec;
         if (is_rec && m_recorders.contains(media->process))
             m_player->recorderPlaying ();
         if (has_video) {
             if (m_player->view ()) {
                 if (media->viewer ()) {
                     media->viewer ()->setAspect (mrl->aspect);
                     media->viewer ()->map ();
                 }
                 if (Mrl::SingleMode == mrl->view_mode)
                     m_player->viewWidget ()->viewArea ()->resizeEvent (nullptr);
             }
         }
     } else if (IProcess::NotRunning == news) {
         if (AudioVideoMedia::ask_delete == media->request) {
             delete media;
         } else if (mrl->unfinished ()) {
             mrl->document ()->post (mrl, new Posting (mrl, MsgMediaFinished));
         }
     } else if (IProcess::Ready == news) {
         if (AudioVideoMedia::ask_play == media->request) {
             playAudioVideo (media);
         } else if (AudioVideoMedia::ask_grab == media->request) {
             grabPicture (media);
         } else {
             if (!is_rec && Mrl::SingleMode == mrl->view_mode) {
                 ProcessList::ConstIterator i, e = m_processes.constEnd ();
                 for (i = m_processes.constBegin(); i != e; ++i)
                     if (*i != media->process &&
                             (*i)->state () == IProcess::Ready)
                         (*i)->play (); // delayed playing
                 e = m_recorders.constEnd ();
                 for (i = m_recorders.constBegin (); i != e; ++i)
                     if (*i != media->process &&
                             (*i)->state () == IProcess::Ready)
                         (*i)->play (); // delayed recording
             }
             if (AudioVideoMedia::ask_delete == media->request) {
                 delete media;
             } else if (olds > IProcess::Ready) {
                 if (is_rec)
                     mrl->message (MsgMediaFinished, nullptr); // FIXME
                 else
                     mrl->document()->post(mrl, new Posting (mrl, MsgMediaFinished));
             }
         }
     } else if (IProcess::Buffering == news) {
         if (AudioVideoMedia::ask_pause == media->request) {
             media->pause ();
         } else if (mrl->view_mode != Mrl::SingleMode) {
             mrl->defer (); // paused the SMIL
         }
     }
 }
 
 void MediaManager::playAudioVideo (AudioVideoMedia *media) {
     Mrl *mrl = media->mrl ();
     media->request = AudioVideoMedia::ask_nothing;
     if (!mrl ||!m_player->view ())
         return;
     if (Mrl::SingleMode == mrl->view_mode) {
         ProcessList::ConstIterator i, e = m_processes.constEnd ();
         for (i = m_processes.constBegin(); i != e; ++i)
             if (*i != media->process && (*i)->state () > IProcess::Ready)
                 return; // delay, avoiding two overlaping widgets
     }
     media->process->play ();
 }
 
 void MediaManager::grabPicture (AudioVideoMedia *media) {
     Mrl *mrl = media->mrl ();
     media->request = AudioVideoMedia::ask_nothing;
     if (!mrl)
         return;
     media->process->grabPicture (media->m_grab_file, media->m_frame);
 }
 
 void MediaManager::processDestroyed (IProcess *process) {
     qCDebug(LOG_KMPLAYER_COMMON) << "processDestroyed " << process << endl;
     m_processes.removeAll (process);
     m_recorders.removeAll (process);
 }
 
 //------------------------%<----------------------------------------------------
 
 MediaObject::MediaObject (MediaManager *manager, Node *node)
  : m_manager (manager), m_node (node) {
     manager->medias ().push_back (this);
 }
 
 MediaObject::~MediaObject () {
     m_manager->medias ().removeAll (this);
 }
 
 void MediaObject::destroy () {
     delete this;
 }
 
 Mrl *MediaObject::mrl () {
     return m_node ? m_node->mrl () : nullptr;
 }
 
 //------------------------%<----------------------------------------------------
 
 void DataCache::add (const QString & url, const QString &mime, const QByteArray & data) {
     QByteArray bytes;
     bytes = data;
     cache_map.insert (url, qMakePair (mime, bytes));
     preserve_map.remove (url);
     Q_EMIT preserveRemoved (url);
 }
 
 bool DataCache::get (const QString & url, QString &mime, QByteArray & data) {
     DataMap::const_iterator it = cache_map.constFind (url);
     if (it != cache_map.constEnd ()) {
         mime = it.value ().first;
         data = it.value ().second;
         return true;
     }
     return false;
 }
 
 bool DataCache::preserve (const QString & url) {
     PreserveMap::const_iterator it = preserve_map.constFind (url);
     if (it == preserve_map.constEnd ()) {
         preserve_map.insert (url, true);
         return true;
     }
     return false;
 }
 
 bool DataCache::isPreserved (const QString & url) {
     return preserve_map.find (url) != preserve_map.end ();
 }
 
 bool DataCache::unpreserve (const QString & url) {
     const PreserveMap::iterator it = preserve_map.find (url);
     if (it == preserve_map.end ())
         return false;
     preserve_map.erase (it);
     Q_EMIT preserveRemoved (url);
     return true;
 }
 
 //------------------------%<----------------------------------------------------
 
 static bool isPlayListMime (const QString & mime) {
     QString m (mime);
     int plugin_pos = m.indexOf ("-plugin");
     if (plugin_pos > 0)
         m.truncate (plugin_pos);
     QByteArray ba = m.toLatin1 ();
     const char * mimestr = ba.data ();
     qCDebug(LOG_KMPLAYER_COMMON) << "isPlayListMime " << mimestr;
     return mimestr && (!strcmp (mimestr, "audio/mpegurl") ||
             !strcmp (mimestr, "audio/x-mpegurl") ||
             !strncmp (mimestr, "video/x-ms", 10) ||
             !strncmp (mimestr, "audio/x-ms", 10) ||
             //!strcmp (mimestr, "video/x-ms-wmp") ||
             //!strcmp (mimestr, "video/x-ms-asf") ||
             //!strcmp (mimestr, "video/x-ms-wmv") ||
             //!strcmp (mimestr, "video/x-ms-wvx") ||
             //!strcmp (mimestr, "video/x-msvideo") ||
             !strcmp (mimestr, "audio/x-scpls") ||
             !strcmp (mimestr, "audio/x-shoutcast-stream") ||
             !strcmp (mimestr, "audio/x-pn-realaudio") ||
             !strcmp (mimestr, "audio/vnd.rn-realaudio") ||
             !strcmp (mimestr, "audio/m3u") ||
             !strcmp (mimestr, "audio/x-m3u") ||
             !strncmp (mimestr, "text/", 5) ||
             (!strncmp (mimestr, "application/", 12) &&
              strstr (mimestr + 12,"+xml")) ||
             !strncasecmp (mimestr, "application/smil", 16) ||
             !strncasecmp (mimestr, "application/xml", 15) ||
             //!strcmp (mimestr, "application/rss+xml") ||
             //!strcmp (mimestr, "application/atom+xml") ||
             !strcmp (mimestr, "image/svg+xml") ||
             !strcmp (mimestr, "image/vnd.rn-realpix") ||
             !strcmp (mimestr, "application/x-mplayer2"));
 }
 
 static QString mimeByContent (const QByteArray &data)
 {
     const QMimeType mimeType = QMimeDatabase().mimeTypeForData(data);
     if (mimeType.isValid())
         return mimeType.name ();
     return QString ();
 }
 
 MediaInfo::MediaInfo (Node *n, MediaManager::MediaType t)
  : media (nullptr), type (t), node (n), job (nullptr),
     preserve_wait (false), check_access (false) {
 }
 
 MediaInfo::~MediaInfo () {
     clearData ();
 }
 
 void MediaInfo::killWGet () {
     if (job) {
         job->kill (); // quiet, no result signal
         job = nullptr;
         memory_cache->unpreserve (url);
     } else if (preserve_wait) {
         disconnect (memory_cache, &DataCache::preserveRemoved,
                     this, &MediaInfo::cachePreserveRemoved);
         preserve_wait = false;
     }
 }
 
 /**
  * Gets contents from url and puts it in m_data
  */
 bool MediaInfo::wget(const QString& str, const QString& domain) {
     clearData ();
     url = str;
 
     if (MediaManager::Any == type || MediaManager::Image == type) {
         ImageDataMap::iterator i = image_data_map->find (str);
         if (i != image_data_map->end ()) {
             media = new ImageMedia (node, i.value ());
             type = MediaManager::Image;
             ready ();
             return true;
         }
     }
 
     Mrl *mrl = node->mrl ();
     if (mrl && (MediaManager::Any == type || MediaManager::AudioVideo == type))
     {
         if (!mrl->mimetype.isEmpty ())
             setMimetype (mrl->mimetype);
         if (mrl && (MediaManager::Any == type || MediaManager::AudioVideo == type))
             if (mime == "application/x-shockwave-flash" ||
                     mime == "application/futuresplash" ||
                     str.startsWith ("tv:")) {
                 ready ();
                 return true; // FIXME
             }
     }
 
     QUrl kurl = QUrl::fromUserInput(str);
     if (!mrl || !mrl->access_granted)
         for (Node *p = node->parentNode (); p; p = p->parentNode ()) {
             Mrl *m = p->mrl ();
             if (m && !m->src.isEmpty () &&
                   m->src != "Playlist://" &&
                   !KUrlAuthorized::authorizeUrlAction ("redirect", QUrl::fromUserInput(m->src), kurl)) {
                 qCWarning(LOG_KMPLAYER_COMMON) << "redirect access denied";
                 ready ();
                 return true;
             }
         }
 
     bool only_playlist = false;
     bool maybe_playlist = false;
     if (MediaManager::Audio == type
             || MediaManager::AudioVideo == type
             || MediaManager::Any == type) {
         only_playlist = true;
         maybe_playlist = isPlayListMime (mime);
     }
 
     if (kurl.isLocalFile ()) {
         QFile file (kurl.toLocalFile ());
         if (file.exists ()) {
             if (MediaManager::Data != type && mime.isEmpty ()) {
                 const QMimeType mimeTyoe = QMimeDatabase().mimeTypeForUrl (kurl);
                 if (mrl && mimeTyoe.isValid()) {
                     mrl->mimetype = mimeTyoe.name ();
                     setMimetype (mrl->mimetype);
                 }
                 qCDebug(LOG_KMPLAYER_COMMON) << "wget2 " << str << " " << mime;
             } else {
                 setMimetype (mime);
             }
             only_playlist = MediaManager::Audio == type ||
                 MediaManager::AudioVideo == type;
             maybe_playlist = isPlayListMime (mime); // get new mime
             if (file.open (QIODevice::ReadOnly)) {
                 if (only_playlist) {
                     maybe_playlist &= file.size () < 2000000;
                     if (maybe_playlist) {
                         char databuf [512];
                         int nr_bytes = file.read (databuf, 512);
                         if (nr_bytes > 3 &&
                                 (::isBufferBinaryData (QByteArray (databuf, nr_bytes)) ||
                                  !strncmp (databuf, "RIFF", 4)))
                             maybe_playlist = false;
                     }
                     if (!maybe_playlist) {
                         ready ();
                         return true;
                     }
                     file.reset ();
                 }
                 data = file.readAll ();
                 file.close ();
             }
         }
         ready ();
         return true;
     }
     QString protocol = kurl.scheme ();
     if (!domain.isEmpty ()) {
         QString get_from = protocol + "://" + kurl.host ();
         if (get_from != domain) {
             check_access = true;
             access_from = domain;
             cross_domain = get_from + "/crossdomain.xml";
             kurl = QUrl (cross_domain);
         }
     }
     if (!check_access) {
         if (MediaManager::Data != type &&
                 (memory_cache->get (str, mime, data) ||
                  protocol == "mms" || protocol == "rtsp" ||
                  protocol == "rtp" || protocol == "rtmp" ||
                  (only_playlist && !maybe_playlist && !mime.isEmpty ()))) {
             setMimetype (mime);
             if (MediaManager::Any == type)
                 type = MediaManager::AudioVideo;
             ready ();
             return true;
         }
     }
     if (check_access || memory_cache->preserve (str)) {
         //qCDebug(LOG_KMPLAYER_COMMON) << "downloading " << str;
         job = KIO::get (kurl, KIO::NoReload, KIO::HideProgressInfo);
         job->addMetaData ("PropagateHttpHeader", "true");
         job->addMetaData ("errorPage", "false");
         connect (job, &KIO::TransferJob::data,
                 this, &MediaInfo::slotData);
         connect (job, &KJob::result,
                 this, &MediaInfo::slotResult);
         if (!check_access)
             connect (job, QOverload<KIO::Job*, const QString&>::of(&KIO::TransferJob::mimetype),
                     this, &MediaInfo::slotMimetype);
     } else {
         //qCDebug(LOG_KMPLAYER_COMMON) << "download preserved " << str;
         connect (memory_cache, &DataCache::preserveRemoved,
                  this, &MediaInfo::cachePreserveRemoved);
         preserve_wait = true;
     }
     return false;
 }
 
 bool MediaInfo::readChildDoc () {
     QTextStream textstream (data, QIODevice::ReadOnly);
     QString line;
     NodePtr cur_elm = node;
     do {
         line = textstream.readLine ();
     } while (!line.isNull () && line.trimmed ().isEmpty ());
     if (!line.isNull ()) {
         bool pls_groupfound =
             line.startsWith ("[") && line.endsWith ("]") &&
             line.mid (1, line.size () - 2).trimmed () == "playlist";
         if ((pls_groupfound &&
                     cur_elm->mrl ()->mimetype.startsWith ("audio/")) ||
                 cur_elm->mrl ()->mimetype == QString ("audio/x-scpls")) {
             int nr = -1;
             struct Entry {
                 QString url, title;
             } * entries = nullptr;
             do {
                 line = line.trimmed ();
                 if (!line.isEmpty ()) {
                     if (line.startsWith ("[") && line.endsWith ("]")) {
                         if (line.mid (1, line.size () - 2).trimmed () == "playlist")
                             pls_groupfound = true;
                         else
                             break;
                         qCDebug(LOG_KMPLAYER_COMMON) << "Group found: " << line;
                     } else if (pls_groupfound) {
                         int eq_pos = line.indexOf (QChar ('='));
                         if (eq_pos > 0) {
                             if (line.toLower ().startsWith (QString ("numberofentries"))) {
                                 nr = line.mid (eq_pos + 1).trimmed ().toInt ();
                                 qCDebug(LOG_KMPLAYER_COMMON) << "numberofentries : " << nr;
                                 if (nr > 0 && nr < 1024)
                                     entries = new Entry[nr];
                                 else
                                     nr = 0;
                             } else if (nr > 0) {
                                 QString ll = line.toLower ();
                                 if (ll.startsWith (QString ("file"))) {
                                     int i = line.mid (4, eq_pos-4).toInt ();
                                     if (i > 0 && i <= nr)
                                         entries[i-1].url = line.mid (eq_pos + 1).trimmed ();
                                 } else if (ll.startsWith (QString ("title"))) {
                                     int i = line.mid (5, eq_pos-5).toInt ();
                                     if (i > 0 && i <= nr)
                                         entries[i-1].title = line.mid (eq_pos + 1).trimmed ();
                                 }
                             }
                         }
                     }
                 }
                 line = textstream.readLine ();
             } while (!line.isNull ());
             NodePtr doc = node->document ();
             for (int i = 0; i < nr; i++)
                 if (!entries[i].url.isEmpty ())
                     cur_elm->appendChild (new GenericURL (doc,
                            QUrl::fromPercentEncoding (entries[i].url.toUtf8 ()),
                            entries[i].title));
             delete [] entries;
         } else if (line.trimmed ().startsWith (QChar ('<'))) {
             readXML (cur_elm, textstream, line);
             //cur_elm->normalize ();
         } else if (line.toLower () != QString ("[reference]")) {
             bool extm3u = line.startsWith ("#EXTM3U");
             QString title;
             NodePtr doc = node->document ();
             if (extm3u)
                 line = textstream.readLine ();
             while (!line.isNull ()) {
              /* TODO && m_document.size () < 1024 / * support 1k entries * /);*/
                 QString mrl = line.trimmed ();
                 if (line == QString ("--stop--"))
                     break;
                 if (mrl.toLower ().startsWith (QString ("asf ")))
                     mrl = mrl.mid (4).trimmed ();
                 if (!mrl.isEmpty ()) {
                     if (extm3u && mrl.startsWith (QChar ('#'))) {
                         if (line.startsWith ("#EXTINF:"))
                             title = line.mid (9);
                         else
                             title = mrl.mid (1);
                     } else if (!line.startsWith (QChar ('#'))) {
                         cur_elm->appendChild (new GenericURL (doc, mrl, title));
                         title.truncate (0);
                     }
                 }
                 line = textstream.readLine ();
             }
         }
     }
     return !cur_elm->isPlayable ();
 }
 
 void MediaInfo::setMimetype (const QString &mt)
 {
     mime = mt;
 
     Mrl *mrl = node ? node->mrl () : nullptr;
     if (mrl && mrl->mimetype.isEmpty ())
         mrl->mimetype = mt;
 
     if (MediaManager::Any == type) {
         if (mimetype ().startsWith ("image/"))
             type = MediaManager::Image;
         else if (mime.startsWith ("audio/"))
             type = MediaManager::Audio;
         else
             type = MediaManager::AudioVideo;
     }
 }
 
 QString MediaInfo::mimetype () {
     if (data.size () > 0 && mime.isEmpty ())
         setMimetype (mimeByContent (data));
     return mime;
 }
 
 void MediaInfo::clearData () {
     killWGet ();
     if (media) {
         media->destroy ();
         media = nullptr;
     }
     url.truncate (0);
     mime.truncate (0);
     access_from.truncate (0);
     data.resize (0);
 }
 
 bool MediaInfo::downloading () const {
     return !!job;
 }
 
 void MediaInfo::create () {
     MediaManager *mgr = (MediaManager*)node->document()->role(RoleMediaManager);
     if (!media && mgr) {
         switch (type) {
         case MediaManager::Audio:
         case MediaManager::AudioVideo:
             qCDebug(LOG_KMPLAYER_COMMON) << data.size ();
             if (!data.size () || !readChildDoc ())
                 media = mgr->createAVMedia (node, data);
             break;
         case MediaManager::Image:
             if (data.size () && mime == "image/svg+xml") {
                 readChildDoc ();
                 if (node->firstChild () &&
                         id_node_svg == node->lastChild ()->id) {
                     media = new ImageMedia (node);
                     break;
                 }
             }
             if (data.size () &&
                     (!(mimetype ().startsWith ("text/") ||
                        mime == "image/vnd.rn-realpix") ||
                      !readChildDoc ()))
                 media = new ImageMedia (mgr, node, url, data);
             break;
         case MediaManager::Text:
             if (data.size ())
                 media = new TextMedia (mgr, node, data);
             break;
         default: // Any
             break;
         }
     }
 }
 
 void MediaInfo::ready () {
     if (MediaManager::Data != type) {
         create ();
         if (id_node_record_document == node->id)
             node->message (MsgMediaReady);
         else
             node->document()->post (node, new Posting (node, MsgMediaReady));
     } else {
         node->message (MsgMediaReady);
     }
 }
 
 static bool validDataFormat (MediaManager::MediaType type, const QByteArray &ba)
 {
     switch (type) {
         case MediaManager::Audio:
         case MediaManager::AudioVideo:
             return !(ba.size () > 2000000 || ba.size () < 4 ||
                     ::isBufferBinaryData (ba) ||
                      !strncmp (ba.data (), "RIFF", 4));
         default:
             return true;
     }
 }
 
 void MediaInfo::slotResult (KJob *kjob) {
     job = nullptr; // signal KIO::Job::result deletes itself
     if (check_access) {
         check_access = false;
 
         bool success = false;
         if (!kjob->error () && data.size () > 0) {
             QTextStream ts (data, QIODevice::ReadOnly);
             NodePtr doc = new Document (QString ());
             readXML (doc, ts, QString ());
 
             Expression *expr = evaluateExpr (
                     "//cross-domain-policy/allow-access-from/@domain");
             if (expr) {
                 expr->setRoot (doc);
                 Expression::iterator it, e = expr->end();
                 for (it = expr->begin(); it != e; ++it) {
                     QRegExp match (it->value(), Qt::CaseInsensitive, QRegExp::Wildcard);
                     if (match.exactMatch (access_from)) {
                         success = true;
                         break;
                     }
                 }
                 delete expr;
             }
             doc->document ()->dispose ();
         }
         if (success) {
             wget (QString (url));
         } else {
             data.resize (0);
             ready ();
         }
     } else {
         if (MediaManager::Data != type && !kjob->error ()) {
             if (data.size () && data.size () < 512) {
                 setMimetype (mimeByContent (data));
                 if (!validDataFormat (type, data))
                     data.resize (0);
             }
             memory_cache->add (url, mime, data);
         } else {
             memory_cache->unpreserve (url);
             if (MediaManager::Data != type)
                 data.resize (0);
         }
         ready ();
     }
 }
 
 void MediaInfo::cachePreserveRemoved (const QString & str) {
     if (str == url && !memory_cache->isPreserved (str)) {
         preserve_wait = false;
         disconnect (memory_cache, &DataCache::preserveRemoved,
                     this, &MediaInfo::cachePreserveRemoved);
         wget (str);
     }
 }
 
 void MediaInfo::slotData (KIO::Job *, const QByteArray &qb) {
     if (qb.size ()) {
         int old_size = data.size ();
         int newsize = old_size + qb.size ();
         data.resize (newsize);
         memcpy (data.data () + old_size, qb.constData (), qb.size ());
         if (!check_access && old_size < 512 && newsize >= 512) {
             setMimetype (mimeByContent (data));
             if (!validDataFormat (type, data)) {
                 data.resize (0);
                 job->kill (KJob::EmitResult);
                 return;
             }
         }
     }
 }
 
 void MediaInfo::slotMimetype (KIO::Job *, const QString & m) {
     Mrl *mrl = node->mrl ();
     mime = m;
     if (mrl)
         mrl->mimetype = m;
     switch (type) {
     case MediaManager::Any:
         //fall through
         break;
     case MediaManager::Audio:
     case MediaManager::AudioVideo:
         if (!isPlayListMime (m))
             job->kill (KJob::EmitResult);
         break;
     default:
         //TODO
         break;
     }
 }
 
 //------------------------%<----------------------------------------------------
 
 IProcess::IProcess (ProcessInfo *pinfo) :
     user (nullptr),
     process_info (pinfo),
     m_state (NotRunning) {}
 
 AudioVideoMedia::AudioVideoMedia (MediaManager *manager, Node *node)
  : MediaObject (manager, node),
    process (nullptr),
    m_viewer (nullptr),
    request (ask_nothing) {
     qCDebug(LOG_KMPLAYER_COMMON) << "AudioVideoMedia::AudioVideoMedia" << endl;
 }
 
 AudioVideoMedia::~AudioVideoMedia () {
     stop ();
     // delete m_process;
     if (m_viewer) { //nicer with QObject destroy signal, but preventing unmap on destruction
         View *view = m_manager->player ()->viewWidget ();
         if (view)
             view->viewArea ()->destroyVideoWidget (m_viewer);
     }
     if (process) {
         request = ask_nothing;
         delete process;
     }
     qCDebug(LOG_KMPLAYER_COMMON) << "AudioVideoMedia::~AudioVideoMedia";
 }
 
 bool AudioVideoMedia::play () {
     qCDebug(LOG_KMPLAYER_COMMON) << process;
     if (process) {
         qCDebug(LOG_KMPLAYER_COMMON) << process->state ();
         if (process->state () > IProcess::Ready) {
             qCCritical(LOG_KMPLAYER_COMMON) << "already playing" << endl;
             return true;
         }
         if (process->state () != IProcess::Ready) {
             request = ask_play;
             return true; // FIXME add Launching state
         }
         m_manager->playAudioVideo (this);
         return true;
     }
     return false;
 }
 
 bool AudioVideoMedia::grabPicture (const QString &file, int frame) {
     if (process) {
         qCDebug(LOG_KMPLAYER_COMMON) << "AudioVideoMedia::grab " << file << endl;
         m_grab_file = file;
         m_frame = frame;
         if (process->state () < IProcess::Ready) {
             request = ask_grab;
             return true; // FIXME add Launching state
         }
         m_manager->grabPicture (this);
         return true;
     }
     return false;
 }
 
 void AudioVideoMedia::stop () {
     if (ask_delete != request)
         request = ask_stop;
     if (process)
         process->stop ();
     if (m_manager->player ()->view () && m_viewer)
         m_viewer->unmap ();
 }
 
 void AudioVideoMedia::pause () {
     if (process) {
         if (process->state () > IProcess::Ready) {
             request = ask_nothing;
             process->pause ();
         } else {
             request = ask_pause;
         }
     }
 }
 
 void AudioVideoMedia::unpause () {
     if (process) {
         if (request == ask_pause) {
             request = ask_nothing;
         } else {
             process->unpause ();
         }
     }
 }
 
 void AudioVideoMedia::destroy () {
     if (m_manager->player ()->view () && m_viewer)
         m_viewer->unmap ();
     if (!process || IProcess::Ready >= process->state ()) {
         delete this;
     } else {
         stop ();
         request = ask_delete;
     }
 }
 
 void AudioVideoMedia::starting (IProcess*) {
     request = AudioVideoMedia::ask_nothing;
 }
 
 void AudioVideoMedia::stateChange (IProcess *,
                                    IProcess::State os, IProcess::State ns) {
     m_manager->stateChange (this, os, ns);
 }
 
 void AudioVideoMedia::processDestroyed (IProcess *p) {
     m_manager->processDestroyed (p);
     process = nullptr;
     if (ask_delete == request)
         delete this;
 }
 
 IViewer *AudioVideoMedia::viewer () {
     return m_viewer;
 }
 
 Mrl *AudioVideoMedia::getMrl () {
     return mrl ();
 }
 
 //------------------------%<----------------------------------------------------
 
 #ifdef KMPLAYER_WITH_CAIRO
 # include <cairo.h>
 #endif
 
 ImageData::ImageData( const QString & img)
  : width (0),
    height (0),
    flags (0),
    has_alpha (false),
    image (nullptr),
 #ifdef KMPLAYER_WITH_CAIRO
    surface (nullptr),
 #endif
    url (img) {
     //if (img.isEmpty ())
     //    //qCDebug(LOG_KMPLAYER_COMMON) << "New ImageData for " << this << endl;
     //else
     //    //qCDebug(LOG_KMPLAYER_COMMON) << "New ImageData for " << img << endl;
 }
 
 ImageData::~ImageData() {
     if (!url.isEmpty ())
         image_data_map->remove (url);
 #ifdef KMPLAYER_WITH_CAIRO
     if (surface)
         cairo_surface_destroy (surface);
 #endif
     delete image;
 }
 
 void ImageData::setImage (QImage *img) {
     if (image != img) {
         delete image;
 #ifdef KMPLAYER_WITH_CAIRO
         if (surface) {
             cairo_surface_destroy (surface);
             surface = nullptr;
         }
 #endif
         image = img;
         if (img) {
             width = img->width ();
             height = img->height ();
             has_alpha = img->hasAlphaChannel ();
         } else {
             width = height = 0;
         }
     }
 }
 
 ImageMedia::ImageMedia (MediaManager *manager, Node *node,
         const QString &url, const QByteArray &ba)
  : MediaObject (manager, node), data (ba), buffer (nullptr),
    img_movie (nullptr),
    svg_renderer (nullptr),
    update_render (false),
    paused (false) {
     setupImage (url);
 }
 
 ImageMedia::ImageMedia (Node *node, ImageDataPtr id)
  : MediaObject ((MediaManager *)node->document()->role (RoleMediaManager),
          node),
    buffer (nullptr),
    img_movie (nullptr),
    svg_renderer (nullptr),
    update_render (false) {
     if (!id) {
         Node *c = findChildWithId (node, id_node_svg);
         if (c) {
             svg_renderer = new QSvgRenderer (c->outerXML().toUtf8 ());
             if (svg_renderer->isValid ()) {
                 cached_img = new ImageData (QString ());
                 cached_img->flags = ImageData::ImageScalable;
                 if (svg_renderer->animated())
                     connect(svg_renderer, &QSvgRenderer::repaintNeeded,
                             this, &ImageMedia::svgUpdated);
             } else {
                 delete svg_renderer;
                 svg_renderer = nullptr;
             }
         }
     } else {
         cached_img = id;
     }
 }
 
 ImageMedia::~ImageMedia () {
     delete img_movie;
     delete svg_renderer;
     delete buffer;
 }
 
 bool ImageMedia::play () {
     if (!img_movie)
         return false;
     if (img_movie->state () == QMovie::Paused)
         img_movie->setPaused (false);
     else if (img_movie->state () != QMovie::Running)
         img_movie->start ();
     return true;
 }
 
 void ImageMedia::stop () {
     pause ();
 }
 
 void ImageMedia::pause () {
     if (!paused && svg_renderer && svg_renderer->animated())
         disconnect(svg_renderer, &QSvgRenderer::repaintNeeded,
                 this, &ImageMedia::svgUpdated);
     if (img_movie && img_movie->state () != QMovie::Paused)
         img_movie->setPaused (true);
     paused = true;
 }
 
 void ImageMedia::unpause () {
     if (paused && svg_renderer && svg_renderer->animated())
         connect(svg_renderer, &QSvgRenderer::repaintNeeded,
                 this, &ImageMedia::svgUpdated);
     if (img_movie && QMovie::Paused == img_movie->state ())
         img_movie->setPaused (false);
     paused = false;
 }
 
 void ImageMedia::setupImage (const QString &url) {
     if (isEmpty () && data.size ()) {
         QImage *pix = new QImage;
         if (pix->loadFromData((data))) {
             cached_img = ImageDataPtr (new ImageData (url));
             cached_img->setImage (pix);
         } else {
             delete pix;
         }
     }
     if (!isEmpty ()) {
         buffer = new QBuffer (&data);
         img_movie = new QMovie (buffer);
         //qCDebug(LOG_KMPLAYER_COMMON) << img_movie->frameCount ();
         if (img_movie->frameCount () > 1) {
             cached_img->flags |= (short)ImageData::ImagePixmap | ImageData::ImageAnimated;
             connect (img_movie, &QMovie::updated,
                     this, &ImageMedia::movieUpdated);
             connect (img_movie, &QMovie::stateChanged,
                     this, &ImageMedia::movieStatus);
             connect (img_movie, &QMovie::resized,
                     this, &ImageMedia::movieResize);
         } else {
             delete img_movie;
             img_movie = nullptr;
             delete buffer;
             buffer = nullptr;
             frame_nr = 0;
             cached_img->flags |= (short)ImageData::ImagePixmap;
             image_data_map->insert (url, ImageDataPtrW (cached_img));
         }
     }
 }
 
 void ImageMedia::render (const ISize &sz) {
     if (svg_renderer && update_render) {
         delete svg_renderer;
         svg_renderer = nullptr;
         Node *c = findChildWithId (m_node, id_node_svg);
         if (c) {
             QSvgRenderer *r = new QSvgRenderer (c->outerXML().toUtf8 ());
             if (r->isValid ()) {
                 cached_img->setImage (nullptr);
                 svg_renderer = r;
             } else {
                 delete r;
             }
         }
         update_render = false;
     }
     if (svg_renderer &&
            (cached_img->width != sz.width || cached_img->height != sz.height)) {
         QImage *img = new QImage (sz.width, sz.height,
                 QImage::Format_ARGB32_Premultiplied);
         img->fill (0x0);
         QPainter paint (img);
         paint.setViewport (QRect (0, 0, sz.width, sz.height));
         svg_renderer->render (&paint);
         cached_img->setImage (img);
     }
 }
 
 void ImageMedia::updateRender () {
     update_render = true;
     if (m_node)
         m_node->document()->post(m_node, new Posting (m_node, MsgMediaUpdated));
 }
 
 void ImageMedia::sizes (SSize &size) {
     if (svg_renderer) {
         QSize s = svg_renderer->defaultSize ();
         size.width = s.width ();
         size.height = s.height ();
     } else if (cached_img) {
         size.width = cached_img->width;
         size.height = cached_img->height;
     } else {
         size.width = 0;
         size.height = 0;
     }
 }
 
 bool ImageMedia::isEmpty () const {
     return !cached_img || (!svg_renderer && cached_img->isEmpty ());
 }
 
 void ImageMedia::svgUpdated() {
     cached_img->setImage (nullptr);
     if (m_node)
         m_node->document ()->post (m_node, new Posting (m_node, MsgMediaUpdated));
 }
 
 void ImageMedia::movieResize (const QSize &) {
     //qCDebug(LOG_KMPLAYER_COMMON) << "movieResize" << endl;
     if (m_node)
         m_node->document ()->post (m_node, new Posting (m_node, MsgMediaUpdated));
 }
 
 void ImageMedia::movieUpdated (const QRect &) {
     if (frame_nr++) {
         Q_ASSERT (cached_img && isEmpty ());
         QImage *img = new QImage;
         *img = img_movie->currentImage ();
         cached_img->setImage (img);
         cached_img->flags = (int)(ImageData::ImagePixmap | ImageData::ImageAnimated); //TODO
         if (m_node)
             m_node->document ()->post (m_node, new Posting (m_node, MsgMediaUpdated));
     }
 }
 
 void ImageMedia::movieStatus (QMovie::MovieState status) {
     if (QMovie::NotRunning == status && m_node)
         m_node->document ()->post (m_node, new Posting (m_node, MsgMediaFinished));
 }
 
 //------------------------%<----------------------------------------------------
 
 static int default_font_size = -1;
 
 TextMedia::TextMedia (MediaManager *manager, Node *node, const QByteArray &ba)
  : MediaObject (manager, node) {
     QByteArray data (ba);
     if (!data [data.size () - 1])
         data.resize (data.size () - 1); // strip zero terminate char
     QTextStream ts (data, QIODevice::ReadOnly);
     QString val = convertNode <Element> (node)->getAttribute ("charset");
     if (!val.isEmpty ()) {
         QTextCodec *codec = QTextCodec::codecForName (val.toLatin1 ());
         if (codec)
             ts.setCodec (codec);
     }
     if (node->mrl() && node->mrl()->mimetype == "text/html") {
         Document *doc = new Document (QString ());
         NodePtr store = doc;
         readXML (doc, ts, QString ());
         text = doc->innerText ();
         doc->dispose ();
     } else {
         text = ts.readAll ();
     }
 }
 
 TextMedia::~TextMedia () {
 }
 
 bool TextMedia::play () {
     return !text.isEmpty ();
 }
 
 int TextMedia::defaultFontSize () {
     if (default_font_size < 0)
         default_font_size = QApplication::font ().pointSize ();
     return default_font_size;
 }
 
 #include "moc_mediaobject.cpp"