feat(core): supports H264 download

Co-authored-by: Danmei Chen <danmei.chen@belledonne-communications.com>

CMakeLists.txt

@@ -145,6 +145,7 @@ set(SOURCES
   src/components/core/CoreHandlers.cpp
   src/components/core/CoreManager.cpp
   src/components/core/messages-count-notifier/AbstractMessagesCountNotifier.cpp
+  src/components/file/FileDownloader.cpp
   src/components/file/FileExtractor.cpp
   src/components/notifier/Notifier.cpp
   src/components/other/clipboard/Clipboard.cpp
@@ -163,8 +164,8 @@ set(SOURCES
   src/components/timeline/TimelineModel.cpp
   src/components/url-handlers/UrlHandlers.cpp
   src/utils/LinphoneUtils.cpp
-  src/utils/Utils.cpp
   src/utils/QExifImageHeader.cpp
+  src/utils/Utils.cpp
 )
 
 set(HEADERS
@@ -202,6 +203,7 @@ set(HEADERS
   src/components/core/CoreHandlers.hpp
   src/components/core/CoreManager.hpp
   src/components/core/messages-count-notifier/AbstractMessagesCountNotifier.hpp
+  src/components/file/FileDownloader.hpp
   src/components/file/FileExtractor.hpp
   src/components/notifier/Notifier.hpp
   src/components/other/clipboard/Clipboard.hpp

assets/languages/en.ts

@@ -1003,6 +1003,29 @@ your friend&apos;s SIP address or username.</translation>
         <translation>New attachment received!</translation>
     </message>
 </context>
+<context>
+    <name>OnlineInstallerDialog</name>
+    <message>
+        <source>confirm</source>
+        <translation>CONFIRM</translation>
+    </message>
+    <message>
+        <source>onlineInstallerExtractingDescription</source>
+        <translation>Extracting %1...</translation>
+    </message>
+    <message>
+        <source>onlineInstallerDownloadingDescription</source>
+        <translation>Downloading %1...</translation>
+    </message>
+    <message>
+        <source>onlineInstallerFinishedDescription</source>
+        <translation>%1 is now installed!</translation>
+    </message>
+    <message>
+        <source>onlineInstallerFailedDescription</source>
+        <translation>Failed to install %1!</translation>
+    </message>
+</context>
 <context>
     <name>OutgoingMessage</name>
     <message>
@@ -1672,4 +1695,11 @@ your friend&apos;s SIP address or username.</translation>
         <translation>CONFIRM</translation>
     </message>
 </context>
+<context>
+    <name>linphone-utils</name>
+    <message>
+        <source>downloadCodecDescription</source>
+        <translation>Do you want to download %1 (%2)?</translation>
+    </message>
+</context>
 </TS>

assets/languages/fr_FR.ts

@@ -1001,6 +1001,29 @@ Cliquez ici : <a href="%1">%1</a>
         <translation>Pièce jointe reçue !</translation>
     </message>
 </context>
+<context>
+    <name>OnlineInstallerDialog</name>
+    <message>
+        <source>confirm</source>
+        <translation>CONFIRM</translation>
+    </message>
+    <message>
+        <source>onlineInstallerExtractingDescription</source>
+        <translation>Extraction de %1...</translation>
+    </message>
+    <message>
+        <source>onlineInstallerDownloadingDescription</source>
+        <translation>Téléchargement de %1...</translation>
+    </message>
+    <message>
+        <source>onlineInstallerFinishedDescription</source>
+        <translation>Installation de %1 terminée !</translation>
+    </message>
+    <message>
+        <source>onlineInstallerFailedDescription</source>
+        <translation>L&apos;installation de %1 a échoué !</translation>
+    </message>
+</context>
 <context>
     <name>OutgoingMessage</name>
     <message>
@@ -1670,4 +1693,11 @@ Cliquez ici : &lt;a href=&quot;%1&quot;&gt;%1&lt;/a&gt;
         <translation>CONFIRMER</translation>
     </message>
 </context>
+<context>
+    <name>linphone-utils</name>
+    <message>
+        <source>downloadCodecDescription</source>
+        <translation>Voulez-vous installer %1 (%2) ?</translation>
+    </message>
+</context>
 </TS>

assets/languages/ru.ts

@@ -1001,6 +1001,29 @@
         <translation>Получен новый файл!</translation>
     </message>
 </context>
+<context>
+    <name>OnlineInstallerDialog</name>
+    <message>
+        <source>confirm</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>onlineInstallerExtractingDescription</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>onlineInstallerDownloadingDescription</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>onlineInstallerFinishedDescription</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>onlineInstallerFailedDescription</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 <context>
     <name>OutgoingMessage</name>
     <message>
@@ -1670,4 +1693,11 @@
         <translation>ПОДТВЕРДИТЬ</translation>
     </message>
 </context>
+<context>
+    <name>linphone-utils</name>
+    <message>
+        <source>downloadCodecDescription</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 </TS>

assets/languages/tr.ts

@@ -1003,6 +1003,29 @@ arkadaşınızın SIP adresini veya kullanıcı adını girin.</translation>
         <translation>Yeni ek alındı!</translation>
     </message>
 </context>
+<context>
+    <name>OnlineInstallerDialog</name>
+    <message>
+        <source>confirm</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>onlineInstallerExtractingDescription</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>onlineInstallerDownloadingDescription</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>onlineInstallerFinishedDescription</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>onlineInstallerFailedDescription</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 <context>
     <name>OutgoingMessage</name>
     <message>
@@ -1672,4 +1695,11 @@ arkadaşınızın SIP adresini veya kullanıcı adını girin.</translation>
         <translation>ONAYLA</translation>
     </message>
 </context>
+<context>
+    <name>linphone-utils</name>
+    <message>
+        <source>downloadCodecDescription</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 </TS>

resources.qrc

@@ -332,6 +332,7 @@
     <file>ui/modules/Linphone/Contact/ContactDescription.qml</file>
     <file>ui/modules/Linphone/Contact/Contact.qml</file>
     <file>ui/modules/Linphone/Contact/MessagesCounter.qml</file>
+    <file>ui/modules/Linphone/Dialog/OnlineInstallerDialog.qml</file>
     <file>ui/modules/Linphone/Menus/SipAddressesMenu.qml</file>
     <file>ui/modules/Linphone/Notifications/NotificationBasic.qml</file>
     <file>ui/modules/Linphone/Notifications/NotificationNewVersionAvailable.qml</file>
@@ -357,6 +358,7 @@
     <file>ui/modules/Linphone/Styles/Contact/ContactDescriptionStyle.qml</file>
     <file>ui/modules/Linphone/Styles/Contact/ContactStyle.qml</file>
     <file>ui/modules/Linphone/Styles/Contact/MessagesCounterStyle.qml</file>
+    <file>ui/modules/Linphone/Styles/Dialog/OnlineInstallerDialogStyle.qml</file>
     <file>ui/modules/Linphone/Styles/Menus/SipAddressesMenuStyle.qml</file>
     <file>ui/modules/Linphone/Styles/Notifications/NotificationBasicStyle.qml</file>
     <file>ui/modules/Linphone/Styles/Notifications/NotificationReceivedCallStyle.qml</file>

src/app/App.cpp

@@ -176,10 +176,6 @@ void App::initContentApp () {
       Cli::executeCommand(command);
     });
 
-    // Add plugins directory.
-    addLibraryPath(::Utils::coreStringToAppString(Paths::getPluginsDirPath()));
-    qInfo() << QStringLiteral("Library paths:") << libraryPaths();
-
     mustBeIconified = mParser->isSet("iconified");
   }
 
@@ -405,6 +401,7 @@ void App::registerTypes () {
   registerType<ConferenceHelperModel>("ConferenceHelperModel");
   registerType<ConferenceModel>("ConferenceModel");
   registerType<ContactsListProxyModel>("ContactsListProxyModel");
+  registerType<FileDownloader>("FileDownloader");
   registerType<FileExtractor>("FileExtractor");
   registerType<SipAddressesProxyModel>("SipAddressesProxyModel");
   registerType<SoundPlayer>("SoundPlayer");

src/app/logger/Logger.cpp

@@ -159,7 +159,7 @@ void Logger::log (QtMsgType type, const QMessageLogContext &context, const QStri
       contextStr = contextArr.constData();
     }
   #else
-    (void)context;
+    Q_UNUSED(context);
   #endif // ifdef QT_MESSAGELOGCONTEXT
 
   QByteArray localMsg = msg.toLocal8Bit();

src/app/paths/Paths.cpp

@@ -40,6 +40,7 @@ namespace {
   constexpr char cPathAssistantConfig[] = "/linphone/assistant/";
   constexpr char cPathAvatars[] = "/avatars/";
   constexpr char cPathCaptures[] = "/Linphone/captures/";
+  constexpr char cPathCodecs[] =  "/codecs/";
   constexpr char cPathLogs[] = "/logs/";
   constexpr char cPathPlugins[] = "/plugins/";
   constexpr char cPathThumbnails[] = "/thumbnails/";
@@ -181,6 +182,10 @@ string Paths::getCapturesDirPath () {
   return getWritableDirPath(QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation) + cPathCaptures);
 }
 
+string Paths::getCodecsDirPath () {
+  return getWritableDirPath(QStandardPaths::writableLocation(QStandardPaths::AppLocalDataLocation) + cPathCodecs);
+}
+
 string Paths::getConfigFilePath (const QString &configPath, bool writable) {
   const QString path = configPath.isEmpty()
     ? getAppConfigFilePath()
@@ -217,10 +222,6 @@ string Paths::getPackageMsPluginsDirPath () {
   return getReadableDirPath(getAppPackageMsPluginsDirPath());
 }
 
-string Paths::getPluginsDirPath () {
-  return getReadableDirPath(getAppPluginsDirPath());
-}
-
 string Paths::getRootCaFilePath () {
   return getReadableFilePath(getAppRootCaFilePath());
 }

src/app/paths/Paths.hpp

@@ -34,15 +34,15 @@ namespace Paths {
   std::string getAvatarsDirPath ();
   std::string getCallHistoryFilePath ();
   std::string getCapturesDirPath ();
+  std::string getCodecsDirPath ();
   std::string getConfigFilePath (const QString &configPath = QString(), bool writable = true);
+  std::string getDownloadDirPath ();
   std::string getFactoryConfigFilePath ();
   std::string getFriendsListFilePath ();
-  std::string getDownloadDirPath ();
   std::string getLogsDirPath ();
   std::string getMessageHistoryFilePath ();
   std::string getPackageDataDirPath ();
   std::string getPackageMsPluginsDirPath ();
-  std::string getPluginsDirPath ();
   std::string getRootCaFilePath ();
   std::string getThumbnailsDirPath ();
   std::string getUserCertificatesDirPath ();

src/components/Components.hpp

@@ -36,6 +36,7 @@
 #include "conference/ConferenceModel.hpp"
 #include "contacts/ContactsListProxyModel.hpp"
 #include "core/CoreManager.hpp"
+#include "file/FileDownloader.hpp"
 #include "file/FileExtractor.hpp"
 #include "presence/OwnPresenceModel.hpp"
 #include "settings/AccountSettingsModel.hpp"

src/components/codecs/AbstractCodecsModel.cpp

@@ -20,17 +20,18 @@
  *      Author: Ronan Abhamon
  */
 
+#include "../../app/paths/Paths.hpp"
 #include "../../utils/Utils.hpp"
 #include "../core/CoreManager.hpp"
 
 #include "AbstractCodecsModel.hpp"
 
-using namespace std;
-
 // =============================================================================
 
+using namespace std;
+
 static inline shared_ptr<linphone::PayloadType> getCodecFromMap (const QVariantMap &map) {
-  return map.value("__codec").value<shared_ptr<linphone::PayloadType> >();
+  return map.value("__codec").value<shared_ptr<linphone::PayloadType>>();
 }
 
 // -----------------------------------------------------------------------------
@@ -65,12 +66,12 @@ void AbstractCodecsModel::enableCodec (int id, bool status) {
   Q_ASSERT(id >= 0 && id < mCodecs.count());
 
   QVariantMap &map = mCodecs[id];
-  shared_ptr<linphone::PayloadType> codec = ::getCodecFromMap(map);
-
-  codec->enable(status);
-  map["enabled"] = codec->enabled();
-
-  emit dataChanged(index(id, 0), index(id, 0));
+  shared_ptr<linphone::PayloadType> codec = getCodecFromMap(map);
+  if (codec) {
+    codec->enable(status);
+    map["enabled"] = codec->enabled();
+    emit dataChanged(index(id, 0), index(id, 0));
+  }
 }
 
 void AbstractCodecsModel::moveCodec (int source, int destination) {
@@ -81,12 +82,12 @@ void AbstractCodecsModel::setBitrate (int id, int bitrate) {
   Q_ASSERT(id >= 0 && id < mCodecs.count());
 
   QVariantMap &map = mCodecs[id];
-  shared_ptr<linphone::PayloadType> codec = ::getCodecFromMap(map);
-
-  codec->setNormalBitrate(bitrate);
-  map["bitrate"] = codec->getNormalBitrate();
-
-  emit dataChanged(index(id, 0), index(id, 0));
+  shared_ptr<linphone::PayloadType> codec = getCodecFromMap(map);
+  if (codec) {
+    codec->setNormalBitrate(bitrate);
+    map["bitrate"] = codec->getNormalBitrate();
+    emit dataChanged(index(id, 0), index(id, 0));
+  }
 }
 
 void AbstractCodecsModel::setRecvFmtp (int id, const QString &recvFmtp) {
@@ -94,11 +95,11 @@ void AbstractCodecsModel::setRecvFmtp (int id, const QString &recvFmtp) {
 
   QVariantMap &map = mCodecs[id];
   shared_ptr<linphone::PayloadType> codec = ::getCodecFromMap(map);
-
-  codec->setRecvFmtp(::Utils::appStringToCoreString(recvFmtp));
-  map["recvFmtp"] = ::Utils::coreStringToAppString(codec->getRecvFmtp());
-
-  emit dataChanged(index(id, 0), index(id, 0));
+  if (codec) {
+    codec->setRecvFmtp(Utils::appStringToCoreString(recvFmtp));
+    map["recvFmtp"] = Utils::coreStringToAppString(codec->getRecvFmtp());
+    emit dataChanged(index(id, 0), index(id, 0));
+  }
 }
 
 // -----------------------------------------------------------------------------
@@ -110,6 +111,8 @@ bool AbstractCodecsModel::moveRows (
   const QModelIndex &destinationParent,
   int destinationChild
 ) {
+  // TODO: Do not move downloadable codecs.
+
   int limit = sourceRow + count - 1;
 
   {
@@ -139,9 +142,13 @@ bool AbstractCodecsModel::moveRows (
   }
 
   // Update linphone codecs list.
-  list<shared_ptr<linphone::PayloadType> > codecs;
-  for (const auto &map : mCodecs)
-    codecs.push_back(::getCodecFromMap(map));
+  list<shared_ptr<linphone::PayloadType>> codecs;
+  for (const auto &map : mCodecs) {
+    // Do not update downloadable codecs.
+    shared_ptr<linphone::PayloadType> codec = getCodecFromMap(map);
+    if (codec)
+      codecs.push_back(codec);
+  }
   updateCodecs(codecs);
 
   endMoveRows();
@@ -157,15 +164,40 @@ void AbstractCodecsModel::addCodec (shared_ptr<linphone::PayloadType> &codec) {
   map["bitrate"] = codec->getNormalBitrate();
   map["channels"] = codec->getChannels();
   map["clockRate"] = codec->getClockRate();
-  map["description"] = ::Utils::coreStringToAppString(codec->getDescription());
+  map["description"] = Utils::coreStringToAppString(codec->getDescription());
   map["enabled"] = codec->enabled();
-  map["encoderDescription"] = ::Utils::coreStringToAppString(codec->getEncoderDescription());
+  map["encoderDescription"] = Utils::coreStringToAppString(codec->getEncoderDescription());
   map["isUsable"] = codec->isUsable(); // TODO: Notify in UI when unusable.
   map["isVbr"] = codec->isVbr();
-  map["mime"] = ::Utils::coreStringToAppString(codec->getMimeType());
+  map["mime"] = Utils::coreStringToAppString(codec->getMimeType());
   map["number"] = codec->getNumber();
-  map["recvFmtp"] = ::Utils::coreStringToAppString(codec->getRecvFmtp());
+  map["recvFmtp"] = Utils::coreStringToAppString(codec->getRecvFmtp());
   map["__codec"] = QVariant::fromValue(codec);
 
   mCodecs << map;
 }
+
+void AbstractCodecsModel::addDownloadableCodec (
+  const QString &mime,
+  const QString &downloadUrl,
+  const QString &encoderDescription
+) {
+  QVariantMap map;
+
+  map["mime"] = mime;
+  map["downloadUrl"] = downloadUrl;
+  map["encoderDescription"] = encoderDescription;
+
+  mCodecs << map;
+}
+
+QVariantMap AbstractCodecsModel::getCodecInfo (const QString &mime) const {
+  for (const auto &codec : mCodecs)
+    if (codec.value("mime") == mime)
+      return codec;
+  return QVariantMap();
+};
+
+QString AbstractCodecsModel::getCodecsFolder () const {
+  return Utils::coreStringToAppString(Paths::getCodecsDirPath());
+}

src/components/codecs/AbstractCodecsModel.hpp

@@ -36,6 +36,8 @@ namespace linphone {
 class AbstractCodecsModel : public QAbstractListModel {
   Q_OBJECT;
 
+  Q_PROPERTY(QString codecsFolder READ getCodecsFolder CONSTANT);
+
 public:
   AbstractCodecsModel (QObject *parent = Q_NULLPTR);
   virtual ~AbstractCodecsModel () = default;
@@ -51,6 +53,10 @@ public:
   Q_INVOKABLE void setBitrate (int id, int bitrate);
   Q_INVOKABLE void setRecvFmtp (int id, const QString &recvFmtp);
 
+  Q_INVOKABLE virtual void reload () {};
+
+  Q_INVOKABLE QVariantMap getCodecInfo (const QString &mime) const;
+
 protected:
   bool moveRows (
     const QModelIndex &sourceParent,
@@ -61,10 +67,12 @@ protected:
   ) override;
 
   void addCodec (std::shared_ptr<linphone::PayloadType> &codec);
+  void addDownloadableCodec (const QString &mime, const QString &downloadUrl, const QString &encoderDescription);
+
+  QString getCodecsFolder () const;
 
-  virtual void updateCodecs (std::list<std::shared_ptr<linphone::PayloadType> > &codecs) = 0;
+  virtual void updateCodecs (std::list<std::shared_ptr<linphone::PayloadType>> &codecs) = 0;
 
-private:
   QList<QVariantMap> mCodecs;
 };
 

src/components/codecs/AudioCodecsModel.cpp

@@ -24,15 +24,15 @@
 
 #include "AudioCodecsModel.hpp"
 
-using namespace std;
-
 // =============================================================================
 
+using namespace std;
+
 AudioCodecsModel::AudioCodecsModel (QObject *parent) : AbstractCodecsModel(parent) {
   for (auto &codec : CoreManager::getInstance()->getCore()->getAudioPayloadTypes())
     addCodec(codec);
 }
 
-void AudioCodecsModel::updateCodecs (list<shared_ptr<linphone::PayloadType> > &codecs) {
+void AudioCodecsModel::updateCodecs (list<shared_ptr<linphone::PayloadType>> &codecs) {
   CoreManager::getInstance()->getCore()->setAudioPayloadTypes(codecs);
 }

src/components/codecs/AudioCodecsModel.hpp

@@ -34,8 +34,8 @@ public:
   AudioCodecsModel (QObject *parent = Q_NULLPTR);
   ~AudioCodecsModel () = default;
 
-protected:
-  void updateCodecs (std::list<std::shared_ptr<linphone::PayloadType> > &codecs) override;
+private:
+  void updateCodecs (std::list<std::shared_ptr<linphone::PayloadType>> &codecs) override;
 };
 
 #endif // AUDIO_CODECS_MODEL_H_

src/components/codecs/VideoCodecsModel.cpp

@@ -20,19 +20,79 @@
  *      Author: Ronan Abhamon
  */
 
+#include <QDirIterator>
+#include <QLibrary>
+
+#include "../../app/paths/Paths.hpp"
+#include "../../utils/Utils.hpp"
 #include "../core/CoreManager.hpp"
 
 #include "VideoCodecsModel.hpp"
 
+// =============================================================================
+
 using namespace std;
 
-// =============================================================================
+namespace {
+  constexpr char cH264Description[] = "Provided by CISCO SYSTEM,INC";
+
+  #ifdef Q_OS_LINUX
+    constexpr char cLibraryExtension[] = "so";
+    #ifdef Q_PROCESSOR_X86_64
+      constexpr char cPluginUrlH264[] = "http://ciscobinary.openh264.org/libopenh264-1.7.0-linux64.4.so.bz2";
+    #else
+      constexpr char cPluginUrlH264[] = "http://ciscobinary.openh264.org/libopenh264-1.7.0-linux32.4.so.bz2";
+    #endif // ifdef Q_PROCESSOR_X86_64
+  #elif defined(Q_OS_WIN)
+    constexpr char cLibraryExtension[] = "dll";
+    #ifdef Q_OS_WIN64
+      constexpr char cPluginUrlH264[] = "http://ciscobinary.openh264.org/openh264-1.7.0-win64.dll.bz2";
+    #elif defined(Q_OS_WIN32)
+      constexpr char cPluginUrlH264[] = "http://ciscobinary.openh264.org/openh264-1.7.0-win32.dll.bz2";
+    #endif // ifdef Q_OS_WIN64
+  #endif // ifdef Q_OS_LINUX
+}
 
 VideoCodecsModel::VideoCodecsModel (QObject *parent) : AbstractCodecsModel(parent) {
-  for (auto &codec : CoreManager::getInstance()->getCore()->getVideoPayloadTypes())
-    addCodec(codec);
+  load();
 }
 
-void VideoCodecsModel::updateCodecs (list<shared_ptr<linphone::PayloadType> > &codecs) {
+void VideoCodecsModel::updateCodecs (list<shared_ptr<linphone::PayloadType>> &codecs) {
   CoreManager::getInstance()->getCore()->setVideoPayloadTypes(codecs);
 }
+
+void VideoCodecsModel::load () {
+  mCodecs.clear();
+
+  shared_ptr<linphone::Core> core = CoreManager::getInstance()->getCore();
+
+  // Load downloaded codecs like OpenH264.
+  #if defined(Q_OS_LINUX) || defined(Q_OS_WIN)
+    QDirIterator it(Utils::coreStringToAppString(Paths::getCodecsDirPath()));
+    while (it.hasNext()) {
+      QFileInfo info(it.next());
+      if (info.suffix() == cLibraryExtension)
+        QLibrary(info.filePath()).load();
+    }
+    core->reloadMsPlugins("");
+  #endif
+
+  // Add codecs.
+  auto codecs = core->getVideoPayloadTypes();
+  for (auto &codec : codecs)
+    addCodec(codec);
+
+  // Add downloadable codecs.
+  #if defined(Q_OS_LINUX) || defined(Q_OS_WIN)
+    if (find_if(codecs.begin(), codecs.end(), [](const shared_ptr<linphone::PayloadType> &codec) {
+      return codec->getMimeType() == "H264";
+    }) == codecs.end())
+      addDownloadableCodec("H264", cPluginUrlH264, cH264Description);
+  #endif
+}
+
+void VideoCodecsModel::reload () {
+  beginResetModel();
+  load();
+  endResetModel();
+}

src/components/codecs/VideoCodecsModel.hpp

@@ -34,8 +34,11 @@ public:
   VideoCodecsModel (QObject *parent = Q_NULLPTR);
   ~VideoCodecsModel () = default;
 
-protected:
-  void updateCodecs (std::list<std::shared_ptr<linphone::PayloadType> > &codecs) override;
+private:
+  void updateCodecs (std::list<std::shared_ptr<linphone::PayloadType>> &codecs) override;
+
+  void load ();
+  void reload () override;
 };
 
 #endif // VIDEO_CODECS_MODEL_H_

src/components/core/messages-count-notifier/MessagesCountNotifierWindows.cpp

@@ -30,5 +30,5 @@ MessagesCountNotifier::MessagesCountNotifier (QObject *parent) : AbstractMessage
 
 void MessagesCountNotifier::notifyUnreadMessagesCount (int n) {
   // TODO.
-  (void)n;
+  Q_UNUSED(n);
 }

src/components/file/FileDownloader.cpp

+/*
+ * FileDownloader.cpp
+ * Copyright (C) 2017-2018  Belledonne Communications, Grenoble, France
+ *
+ * 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; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ *  Created on: February 6, 2018
+ *      Author: Danmei Chen
+ */
+
+#include "../../app/paths/Paths.hpp"
+#include "../../utils/Utils.hpp"
+#include "../core/CoreManager.hpp"
+
+#include "FileDownloader.hpp"
+
+// =============================================================================
+
+namespace {
+  constexpr char cDefaultFileName[] = "download";
+}
+
+static QString getDownloadFilePath (const QString &folder, const QUrl &url) {
+  QFileInfo fileInfo(url.path());
+  QString fileName = fileInfo.fileName();
+  if (fileName.isEmpty())
+    fileName = cDefaultFileName;
+
+  fileName.prepend(folder);
+  if (!QFile::exists(fileName))
+    return fileName;
+
+  // Already exists, don't overwrite.
+  QString baseName = fileInfo.completeBaseName();
+  if (baseName.isEmpty())
+    baseName = cDefaultFileName;
+
+  QString suffix = fileInfo.suffix();
+  if (!suffix.isEmpty())
+    suffix.prepend(".");
+
+  for (int i = 1; true; ++i) {
+    fileName = folder + baseName + "(" + QString::number(i) + ")" + suffix;
+    if (!QFile::exists(fileName))
+      break;
+  }
+  return fileName;
+}
+
+static bool isHttpRedirect (QNetworkReply *reply) {
+  Q_CHECK_PTR(reply);
+  int statusCode = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
+  return statusCode == 301 || statusCode == 302 || statusCode == 303
+    || statusCode == 305 || statusCode == 307 || statusCode == 308;
+}
+
+// -----------------------------------------------------------------------------
+
+void FileDownloader::download () {
+  if (mDownloading) {
+    qWarning() << "Unable to download file. Already downloading!";
+    return;
+  }
+  setDownloading(true);
+
+  QNetworkRequest request(mUrl);
+  mNetworkReply = mManager.get(request);
+
+  #if QT_CONFIG(ssl)
+    QObject::connect(mNetworkReply, &QNetworkReply::sslErrors, this, &FileDownloader::handleSslErrors);
+  #endif
+
+  QObject::connect(mNetworkReply, &QNetworkReply::downloadProgress, this, &FileDownloader::handleDownloadProgress);
+  QObject::connect(mNetworkReply, &QNetworkReply::readyRead, this, &FileDownloader::handleReadyData);
+  QObject::connect(mNetworkReply, &QNetworkReply::finished, this, &FileDownloader::handleDownloadFinished);
+
+  if (mDownloadFolder.isEmpty()) {
+    mDownloadFolder = CoreManager::getInstance()->getSettingsModel()->getDownloadFolder();
+    emit downloadFolderChanged(mDownloadFolder);
+  }
+
+  // TODO: Deal with connection error like timeout.
+
+  Q_ASSERT(!mDestinationFile.isOpen());
+  mDestinationFile.setFileName(getDownloadFilePath(QDir::cleanPath(mDownloadFolder) + QDir::separator(), mUrl));
+  if (!mDestinationFile.open(QIODevice::WriteOnly))
+    emitOutputError();
+}
+
+bool FileDownloader::remove () {
+  return mDestinationFile.exists() && !mDestinationFile.isOpen() && mDestinationFile.remove();
+}
+
+void FileDownloader::emitOutputError () {
+  qWarning() << QStringLiteral("Could not write into `%1` (%2).")
+    .arg(mDestinationFile.fileName()).arg(mDestinationFile.errorString());
+  mNetworkReply->abort();
+}
+
+void FileDownloader::handleReadyData () {
+  QByteArray data = mNetworkReply->readAll();
+  if (mDestinationFile.write(data) == -1)
+    emitOutputError();
+}
+
+void FileDownloader::handleDownloadFinished() {
+  QNetworkReply::NetworkError error = mNetworkReply->error();
+  if (error != QNetworkReply::NoError) {
+    if (error != QNetworkReply::OperationCanceledError)
+      qWarning() << QStringLiteral("Download of %1 failed: %2")
+        .arg(mUrl.toString()).arg(mNetworkReply->errorString());
+    mDestinationFile.remove();
+    emit downloadFailed();
+  } else {
+    // TODO: Deal with redirection.
+    if (isHttpRedirect(mNetworkReply)) {
+      qWarning() << QStringLiteral("Request was redirected.");
+      mDestinationFile.remove();
+      emit downloadFailed();
+    } else {
+      mDestinationFile.close();
+      emit downloadFinished(mDestinationFile.fileName());
+    }
+  }
+
+  mNetworkReply->deleteLater();
+  setDownloading(false);
+}
+
+void FileDownloader::handleSslErrors (const QList<QSslError> &sslErrors) {
+  #if QT_CONFIG(ssl)
+    for (const QSslError &error : sslErrors)
+      qWarning() << QStringLiteral("SSL error: %1").arg(error.errorString());
+  #else
+    Q_UNUSED(sslErrors);
+  #endif
+}
+
+void FileDownloader::handleDownloadProgress (qint64 readBytes, qint64 totalBytes) {
+  setReadBytes(readBytes);
+  setTotalBytes(totalBytes);
+}
+
+// -----------------------------------------------------------------------------
+
+QUrl FileDownloader::getUrl () const {
+  return mUrl;
+}
+
+void FileDownloader::setUrl (const QUrl &url) {
+  if (mDownloading) {
+    qWarning() << QStringLiteral("Unable to set url, a file is downloading.");
+    return;
+  }
+
+  if (mUrl != url) {
+    mUrl = url;
+    emit urlChanged(mUrl);
+  }
+}
+
+QString FileDownloader::getDownloadFolder () const {
+  return mDownloadFolder;
+}
+
+void FileDownloader::setDownloadFolder (const QString &downloadFolder) {
+  if (mDownloading) {
+    qWarning() << QStringLiteral("Unable to set download folder, a file is downloading.");
+    return;
+  }
+
+  if (mDownloadFolder != downloadFolder) {
+    mDownloadFolder = downloadFolder;
+    emit downloadFolderChanged(mDownloadFolder);
+  }
+}
+
+qint64 FileDownloader::getReadBytes () const {
+  return mReadBytes;
+}
+
+void FileDownloader::setReadBytes (qint64 readBytes) {
+  if (mReadBytes != readBytes) {
+    mReadBytes = readBytes;
+    emit readBytesChanged(readBytes);
+  }
+}
+
+qint64 FileDownloader::getTotalBytes () const {
+  return mTotalBytes;
+}
+
+void FileDownloader::setTotalBytes (qint64 totalBytes) {
+  if (mTotalBytes != totalBytes) {
+    mTotalBytes = totalBytes;
+    emit totalBytesChanged(totalBytes);
+  }
+}
+
+bool FileDownloader::getDownloading () const {
+  return mDownloading;
+}
+
+void FileDownloader::setDownloading (bool downloading) {
+  if (mDownloading != downloading) {
+    mDownloading = downloading;
+    emit downloadingChanged(downloading);
+  }
+}

src/components/file/FileDownloader.hpp

+/*
+ * FileDownloader.hpp
+ * Copyright (C) 2017-2018  Belledonne Communications, Grenoble, France
+ *
+ * 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; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ *  Created on: February 6, 2018
+ *      Author: Danmei Chen
+ */
+
+#include <QObject>
+#include <QtNetwork>
+
+// =============================================================================
+
+class QSslError;
+
+class FileDownloader : public QObject {
+  Q_OBJECT;
+
+  // TODO: Add an error property to use in UI.
+
+  Q_PROPERTY(QUrl url READ getUrl WRITE setUrl NOTIFY urlChanged);
+  Q_PROPERTY(QString downloadFolder READ getDownloadFolder WRITE setDownloadFolder NOTIFY downloadFolderChanged);
+  Q_PROPERTY(qint64 readBytes READ getReadBytes NOTIFY readBytesChanged);
+  Q_PROPERTY(qint64 totalBytes READ getTotalBytes NOTIFY totalBytesChanged);
+  Q_PROPERTY(bool downloading READ getDownloading NOTIFY downloadingChanged);
+
+public:
+  Q_INVOKABLE void download ();
+  Q_INVOKABLE bool remove();
+
+signals:
+  void urlChanged (const QUrl &url);
+  void downloadFolderChanged (const QString &downloadFolder);
+  void readBytesChanged (qint64 readBytes);
+  void totalBytesChanged (qint64 totalBytes);
+  void downloadingChanged (bool downloading);
+  void downloadFinished (const QString &filePath);
+  void downloadFailed();
+
+private:
+  QUrl getUrl () const;
+  void setUrl (const QUrl &url);
+
+  QString getDownloadFolder () const;
+  void setDownloadFolder (const QString &downloadFolder);
+
+  qint64 getReadBytes () const;
+  void setReadBytes (qint64 readBytes);
+
+  qint64 getTotalBytes () const;
+  void setTotalBytes (qint64 totalBytes);
+
+  bool getDownloading () const;
+  void setDownloading (bool downloading);
+
+  void emitOutputError ();
+
+  void handleReadyData ();
+  void handleDownloadFinished ();
+
+  void handleSslErrors (const QList<QSslError> &errors);
+  void handleDownloadProgress (qint64 readBytes, qint64 totalBytes);
+
+  QUrl mUrl;
+  QString mDownloadFolder;
+  QFile mDestinationFile;
+
+  qint64 mReadBytes = 0;
+  qint64 mTotalBytes = 0;
+  bool mDownloading = false;
+
+  QPointer<QNetworkReply> mNetworkReply;
+  QNetworkAccessManager mManager;
+};

src/components/file/FileExtractor.cpp

@@ -20,7 +20,9 @@
  *      Author: Ronan Abhamon
  */
 
+#include <mz_os.h>
 #include <mz_strm_bzip.h>
+#include <mz_strm.h>
 #include <mz.h>
 #include <QDebug>
 #include <QDir>
@@ -31,17 +33,61 @@
 
 using namespace std;
 
-static int openMinizipStream (void **stream, const char *filePath) {
-  *stream = nullptr;
-  if (!mz_stream_bzip_create(stream))
-    return MZ_MEM_ERROR;
-  Q_CHECK_PTR(*stream);
-  qInfo() << QStringLiteral("Opening `%1`...").arg(filePath);
-  return mz_stream_bzip_open(*stream, filePath, MZ_OPEN_MODE_READ);
-}
+class FileExtractor::ExtractStream {
+public:
+  ExtractStream () : mFileStream(nullptr), mBzipStream(nullptr) {}
+
+  ~ExtractStream () {
+    if (mBzipStream) {
+      mz_stream_bzip_close(mBzipStream);
+      mz_stream_bzip_delete(&mBzipStream);
+    }
+
+    if (mFileStream) {
+      mz_stream_os_close(mFileStream);
+      mz_stream_os_delete(&mFileStream);
+    }
+  }
+
+  void *getInternalStream () const {
+    return mBzipStream;
+  }
+
+  int load (const char *filePath) {
+    Q_ASSERT(!mFileStream);
+    Q_ASSERT(!mBzipStream);
+
+    // 1. Open file stream.
+    if (!mz_stream_os_create(&mFileStream))
+      return MZ_MEM_ERROR;
+    Q_CHECK_PTR(mFileStream);
+
+    int error;
+    if ((error = mz_stream_os_open(mFileStream, filePath, MZ_OPEN_MODE_READ)) != MZ_OK)
+      return error;
+
+    // 2. Open bzip stream.
+    if (!mz_stream_bzip_create(&mBzipStream))
+      return MZ_MEM_ERROR;
+    Q_CHECK_PTR(mBzipStream);
+    if ((error = mz_stream_bzip_open(mBzipStream, NULL, MZ_OPEN_MODE_READ)) != MZ_OK)
+      return error;
+
+    // 3. Link file stream to bzip stream.
+    return mz_stream_set_base(mBzipStream, mFileStream);
+  }
+
+private:
+  void *mFileStream;
+  void *mBzipStream;
+};
 
 // -----------------------------------------------------------------------------
 
+FileExtractor::FileExtractor (QObject *parent) : QObject(parent) {}
+
+FileExtractor::~FileExtractor () {}
+
 void FileExtractor::extract () {
   if (mExtracting) {
     qWarning() << "Unable to extract file. Already extracting!";
@@ -56,7 +102,9 @@ void FileExtractor::extract () {
 
   // 1. Open archive stream.
   // TODO: Test extension.
-  int error = openMinizipStream(&mStream, mFile.toLatin1().constData());
+  Q_ASSERT(!mStream);
+  mStream.reset(new ExtractStream());
+  int error = mStream->load(mFile.toLatin1().constData());
   if (error != MZ_OK) {
     emitExtractFailed(error);
     return;
@@ -145,10 +193,15 @@ void FileExtractor::setExtracting (bool extracting) {
 }
 
 void FileExtractor::clean () {
-  mz_stream_bzip_delete(&mStream);
+  mStream.reset(nullptr);
   mDestinationFile.close();
-  mTimer->stop();
-  mTimer->deleteLater();
+
+  if (mTimer) {
+    mTimer->stop();
+    mTimer->deleteLater();
+    mTimer = nullptr;
+  }
+
   setExtracting(false);
 }
 
@@ -175,14 +228,19 @@ void FileExtractor::emitOutputError () {
 
 void FileExtractor::handleExtraction () {
   char buffer[4096];
-  int32_t readBytes = mz_stream_bzip_read(mStream, buffer, sizeof buffer);
+
+  void *stream = mStream.data()->getInternalStream();
+
+  int32_t readBytes = mz_stream_bzip_read(stream, buffer, sizeof buffer);
   if (readBytes == 0)
     emitExtractFinished();
   else if (readBytes < 0)
     emitExtractFailed(readBytes);
   else {
-    setReadBytes(mReadBytes + readBytes);
-    if (mDestinationFile.write(buffer, sizeof buffer) == -1)
+    int64_t inputReadBytes;
+    mz_stream_bzip_get_prop_int64(stream, MZ_STREAM_PROP_TOTAL_IN, &inputReadBytes);
+    setReadBytes(inputReadBytes);
+    if (mDestinationFile.write(buffer, readBytes) == -1)
       emitOutputError();
   }
 }

src/components/file/FileExtractor.hpp

@@ -30,8 +30,12 @@
 
 // Supports only bzip file.
 class FileExtractor : public QObject {
+  class ExtractStream;
+
   Q_OBJECT;
 
+  // TODO: Add an error property to use in UI.
+
   Q_PROPERTY(QString file READ getFile WRITE setFile NOTIFY fileChanged);
   Q_PROPERTY(QString extractFolder READ getExtractFolder WRITE setExtractFolder NOTIFY extractFolderChanged);
   Q_PROPERTY(qint64 readBytes READ getReadBytes NOTIFY readBytesChanged);
@@ -39,6 +43,9 @@ class FileExtractor : public QObject {
   Q_PROPERTY(bool extracting READ getExtracting NOTIFY extractingChanged);
 
 public:
+  FileExtractor (QObject *parent = nullptr);
+  ~FileExtractor ();
+
   Q_INVOKABLE void extract ();
 
 signals:
@@ -82,7 +89,7 @@ private:
   qint64 mTotalBytes = 0;
   bool mExtracting = false;
 
-  void *mStream = nullptr;
+  QScopedPointer<ExtractStream> mStream;
 
   QTimer *mTimer = nullptr;
 };

src/utils/Utils.hpp

@@ -41,12 +41,12 @@
 #endif // ifndef UTILS_NO_BREAK
 
 namespace Utils {
-  inline QString coreStringToAppString (const std::string &string) {
-    return QString::fromLocal8Bit(string.c_str(), int(string.size()));
+  inline QString coreStringToAppString (const std::string &str) {
+    return QString::fromLocal8Bit(str.c_str(), int(str.size()));
   }
 
-  inline std::string appStringToCoreString (const QString &string) {
-    return string.toLocal8Bit().constData();
+  inline std::string appStringToCoreString (const QString &str) {
+    return qPrintable(str);
   }
 
   // Reverse function of strstr.

ui/modules/Common/Form/ComboBox.qml

@@ -4,7 +4,6 @@ import QtQuick.Layouts 1.3
 
 import Common 1.0
 import Common.Styles 1.0
-import Linphone 1.0
 import Utils 1.0
 
 import 'ComboBox.js' as Logic

ui/modules/Common/Window/Window.js

@@ -20,10 +20,10 @@ function attachVirtualWindow (component, properties, exitStatusHandler) {
     properties: properties
   })
 
+  object.exitStatus.connect(detachVirtualWindow)
   if (exitStatusHandler) {
     object.exitStatus.connect(exitStatusHandler)
   }
-  object.exitStatus.connect(detachVirtualWindow)
 
   virtualWindow.setContent(object)
 

ui/modules/Linphone/Chat/FileMessage.qml

@@ -212,6 +212,8 @@ Row {
                 color: ChatStyle.entry.message.file.status.bar.contentItem.color
                 height: parent.height
                 width: progressBar.visualPosition * parent.width
+
+                radius: ChatStyle.entry.message.file.status.bar.radius
               }
             }
           }

ui/modules/Linphone/Codecs/CodecsViewer.qml

@@ -8,8 +8,16 @@ import Linphone.Styles 1.0
 // =============================================================================
 
 Column {
+  id: codecsViewer
+
+  // ---------------------------------------------------------------------------
+
   property alias model: view.model
 
+  // ---------------------------------------------------------------------------
+
+  signal downloadRequested (var codecInfo)
+
   // ---------------------------------------------------------------------------
   // Header.
   // ---------------------------------------------------------------------------
@@ -75,9 +83,9 @@ Column {
 
     height: count * CodecsViewerStyle.attribute.height
 
-    // -----------------------------------------------------------------------
+    // -------------------------------------------------------------------------
     // One codec.
-    // -----------------------------------------------------------------------
+    // -------------------------------------------------------------------------
 
     delegate: MouseArea {
       id: dragArea
@@ -110,6 +118,8 @@ Column {
       Rectangle {
         id: content
 
+        readonly property bool isDownloadable: Boolean($codec.downloadUrl)
+
         Drag.active: dragArea.held
         Drag.source: dragArea
         Drag.hotSpot.x: width / 2
@@ -139,25 +149,26 @@ Column {
 
           CodecAttribute {
             Layout.preferredWidth: CodecsViewerStyle.column.encoderDescriptionWidth
-            text: $codec.encoderDescription
+            text: $codec.encoderDescription || ''
           }
 
           CodecAttribute {
             Layout.preferredWidth: CodecsViewerStyle.column.clockRateWidth
-            text: $codec.clockRate
+            text: $codec.clockRate || ''
           }
 
           NumericField {
             Layout.preferredWidth: CodecsViewerStyle.column.bitrateWidth
-            readOnly: !$codec.isVbr
-            text: $codec.bitrate
+            readOnly: content.isDownloadable || !$codec.isVbr
+            text: $codec.bitrate || ''
 
             onEditingFinished: view.model.setBitrate(index, text)
           }
 
           TextField {
             Layout.preferredWidth: CodecsViewerStyle.column.recvFmtpWidth
-            text: $codec.recvFmtp
+            readOnly: content.isDownloadable
+            text: $codec.recvFmtp || ''
 
             onEditingFinished: view.model.setRecvFmtp(index, text)
           }
@@ -165,9 +176,11 @@ Column {
           Switch {
             Layout.fillWidth: true
 
-            checked: $codec.enabled
+            checked: Boolean($codec.enabled)
 
-            onClicked: view.model.enableCodec(index, !checked)
+            onClicked: !checked && content.isDownloadable
+              ? downloadRequested($codec)
+              : view.model.enableCodec(index, !checked)
           }
         }
       }

ui/modules/Linphone/Dialog/OnlineInstallerDialog.qml

+import QtQuick 2.7
+import QtQuick.Controls 2.2
+
+import Common 1.0
+import Linphone 1.0
+import Linphone.Styles 1.0
+import Utils 1.0
+
+// =============================================================================
+
+DialogPlus {
+  id: dialog
+
+  // ---------------------------------------------------------------------------
+
+  property alias downloadUrl: fileDownloader.url
+  property alias installFolder: fileDownloader.downloadFolder
+  property bool extract: false
+  property string fileName
+
+  property bool _installing: false
+  property int _exitStatus: -1 // Not downloaded for the moment.
+
+  // ---------------------------------------------------------------------------
+
+  function install () {
+    dialog._installing = true
+    fileDownloader.download()
+  }
+
+  function _endInstall (exitStatus) {
+    if (dialog.extract)
+       fileDownloader.remove()
+    dialog._exitStatus = exitStatus
+    dialog._installing = false
+  }
+
+  // ---------------------------------------------------------------------------
+
+  // TODO: Improve one day. Do not launch download directly.
+  // Provide a download function (window.attachVirtualWindow cannot call
+  // function after creation at this moment).
+  Component.onCompleted: dialog.install()
+
+  // ---------------------------------------------------------------------------
+
+  buttons: [
+    // TODO: Add a retry button???
+    TextButtonB {
+      enabled: !dialog._installing && !fileDownloader.downloading && !fileExtractor.extracting
+      text: qsTr('confirm')
+
+      onClicked: exit(1)
+    }
+  ]
+
+  centeredButtons: true
+  descriptionText: {
+    var str
+
+    if (dialog.extracting) {
+      str = qsTr('onlineInstallerExtractingDescription')
+    } else if (dialog._installing) {
+      str = qsTr('onlineInstallerDownloadingDescription')
+    } else if (dialog._exitStatus > 0) {
+      str = qsTr('onlineInstallerFinishedDescription')
+    } else {
+      str = qsTr('onlineInstallerFailedDescription')
+    }
+
+    return str.replace('%1', dialog.fileName)
+  }
+  height: OnlineInstallerDialogStyle.height
+  width: OnlineInstallerDialogStyle.width
+
+  Column {
+    anchors.verticalCenter: parent.verticalCenter
+    width: parent.width
+    spacing: OnlineInstallerDialogStyle.column.spacing
+
+    ProgressBar {
+      id: progressBar
+
+      property var target: fileDownloader
+
+      height: OnlineInstallerDialogStyle.column.bar.height
+      width: parent.width
+
+      to: target.totalBytes
+      value: target.readBytes
+      indeterminate : true
+
+      background: Rectangle {
+        color: OnlineInstallerDialogStyle.column.bar.background.color
+        radius: OnlineInstallerDialogStyle.column.bar.radius
+      }
+
+      contentItem: Item {
+        Rectangle {
+          color: dialog._exitStatus
+            ? OnlineInstallerDialogStyle.column.bar.contentItem.color.normal
+            : OnlineInstallerDialogStyle.column.bar.contentItem.color.failed
+          height: parent.height
+          radius: OnlineInstallerDialogStyle.column.bar.radius
+          width: progressBar.visualPosition * parent.width
+        }
+      }
+    }
+
+    Text {
+      anchors.right: parent.right
+      color: OnlineInstallerDialogStyle.column.text.color
+      font.pointSize: OnlineInstallerDialogStyle.column.text.pointSize
+
+      text: {
+        var fileSize = Utils.formatSize(fileDownloader.totalBytes)
+        return Utils.formatSize(fileDownloader.readBytes) + '/' + fileSize
+      }
+    }
+
+    FileDownloader {
+      id: fileDownloader
+
+      onDownloadFailed: dialog._endInstall(0)
+      onDownloadFinished: {
+        fileExtractor.file = filePath
+        if (dialog.extract) {
+          progressBar.target = fileExtractor
+          fileExtractor.extract()
+        } else {
+          dialog._endInstall(1)
+        }
+      }
+    }
+
+    FileExtractor {
+      id: fileExtractor
+
+      extractFolder: dialog.installFolder
+
+      onExtractFailed: dialog._endInstall(0)
+      onExtractFinished: dialog._endInstall(1)
+    }
+  }
+}

ui/modules/Linphone/Styles/Dialog/OnlineInstallerDialogStyle.qml

+pragma Singleton
+import QtQml 2.2
+
+import Colors 1.0
+import Units 1.0
+
+// =============================================================================
+
+QtObject {
+  property int height: 200
+  property int width: 400
+
+  property QtObject column: QtObject {
+    property int spacing: 6
+
+    property QtObject bar: QtObject {
+      property int height: 20
+      property int radius: 6
+
+      property QtObject background: QtObject {
+        property color color: Colors.f
+      }
+
+      property QtObject contentItem: QtObject {
+        property QtObject color: QtObject {
+          property color failed: Colors.error
+          property color normal: Colors.z
+      }
+    }
+  }
+
+    property QtObject text: QtObject {
+      property color color: Colors.r
+      property int pointSize: Units.dp * 11
+    }
+  }
+}

ui/modules/Linphone/Styles/qmldir

@@ -23,6 +23,8 @@ singleton ContactDescriptionStyle              1.0 Contact/ContactDescriptionSty
 singleton ContactStyle                         1.0 Contact/ContactStyle.qml
 singleton MessagesCounterStyle                 1.0 Contact/MessagesCounterStyle.qml
 
+singleton OnlineInstallerDialogStyle           1.0 Dialog/OnlineInstallerDialogStyle.qml
+
 singleton SipAddressesMenuStyle                1.0 Menus/SipAddressesMenuStyle.qml
 
 singleton NotificationBasicStyle               1.0 Notifications/NotificationBasicStyle.qml

ui/scripts/LinphoneUtils/linphone-utils.js

@@ -4,8 +4,12 @@
 
 .pragma library
 
+.import Linphone 1.0 as Linphone
+
 .import 'qrc:/ui/scripts/Utils/utils.js' as Utils
 
+// =============================================================================
+// Contact/SIP address helpers.
 // =============================================================================
 
 function _getDisplayNameFromQuotedString (str) {
@@ -84,3 +88,43 @@ function getContactUsername (contact) {
   name = _getUsername(object)
   return name == null ? 'Bad EGG' : name
 }
+
+// =============================================================================
+// Codec helpers.
+// =============================================================================
+
+function openCodecOnlineInstallerDialog (window, codecInfo, cb) {
+  var VideoCodecsModel = Linphone.VideoCodecsModel
+  window.attachVirtualWindow(Utils.buildDialogUri('ConfirmDialog'), {
+    descriptionText: qsTr('downloadCodecDescription')
+      .replace('%1', codecInfo.mime)
+      .replace('%2', codecInfo.encoderDescription)
+  }, function (status) {
+    if (status) {
+      window.attachVirtualWindow(buildDialogUri('OnlineInstallerDialog'), {
+        downloadUrl: codecInfo.downloadUrl,
+        extract: true,
+        fileName: codecInfo.mime,
+        installFolder: VideoCodecsModel.codecsFolder
+      }, function (status) {
+        if (status) {
+          VideoCodecsModel.reload()
+        }
+        if (cb) {
+          cb(window)
+        }
+      })
+    }
+    else if (cb) {
+      cb(window)
+    }
+  })
+}
+
+// =============================================================================
+// QML helpers.
+// =============================================================================
+
+function buildDialogUri (component) {
+  return 'qrc:/ui/modules/Linphone/Dialog/' + component + '.qml'
+}

ui/views/App/Main/Assistant/ActivateLinphoneSipAccountWithEmail.qml

@@ -2,6 +2,7 @@ import QtQuick 2.7
 
 import Common 1.0
 import Linphone 1.0
+import LinphoneUtils 1.0
 
 import App.Styles 1.0
 
@@ -50,8 +51,16 @@ AssistantAbstractView {
     onActivateStatusChanged: {
       requestBlock.stop(error)
       if (!error.length) {
-        window.unlockView()
-        window.setView('Home')
+        function quitToHome (window) {
+          window.unlockView()
+          window.setView('Home')
+        }
+        var codecInfo = VideoCodecsModel.getCodecInfo('H264')
+        if (codecInfo.downloadUrl) {
+          LinphoneUtils.openCodecOnlineInstallerDialog(window, codecInfo, quitToHome)
+        } else {
+          quitToHome(window)
+        }
       }
     }
   }

ui/views/App/Main/Assistant/ActivateLinphoneSipAccountWithPhoneNumber.qml

@@ -2,6 +2,7 @@ import QtQuick 2.7
 
 import Common 1.0
 import Linphone 1.0
+import LinphoneUtils 1.0
 
 import App.Styles 1.0
 
@@ -62,8 +63,16 @@ AssistantAbstractView {
     onActivateStatusChanged: {
       requestBlock.stop(error)
       if (!error.length) {
-        window.unlockView()
-        window.setView('Home')
+        function quitToHome (window) {
+          window.unlockView()
+          window.setView('Home')
+        }
+        var codecInfo = VideoCodecsModel.getCodecInfo('H264')
+        if (codecInfo.downloadUrl) {
+          LinphoneUtils.openCodecOnlineInstallerDialog(window, codecInfo, quitToHome)
+        } else {
+          quitToHome(window)
+        }
       }
     }
   }

ui/views/App/Main/Assistant/UseLinphoneSipAccount.qml

@@ -2,6 +2,7 @@ import QtQuick 2.7
 
 import Common 1.0
 import Linphone 1.0
+import LinphoneUtils 1.0
 
 import App.Styles 1.0
 
@@ -17,6 +18,8 @@ AssistantAbstractView {
 
   title: qsTr('useLinphoneSipAccountTitle')
 
+
+
   // ---------------------------------------------------------------------------
 
   Column {
@@ -86,7 +89,14 @@ AssistantAbstractView {
     onLoginStatusChanged: {
       requestBlock.stop(error)
       if (!error.length) {
-        window.setView('Home')
+        var codecInfo = VideoCodecsModel.getCodecInfo('H264')
+        if (codecInfo.downloadUrl) {
+          LinphoneUtils.openCodecOnlineInstallerDialog(window, codecInfo, function cb (window) {
+            window.setView('Home')
+          })
+        } else {
+          window.setView('Home')
+        }
       }
     }
 

ui/views/App/Settings/SettingsVideo.js

@@ -4,6 +4,8 @@
 
 .import Linphone 1.0 as Linphone
 
+.import 'qrc:/ui/scripts/LinphoneUtils/linphone-utils.js' as LinphoneUtils
+
 // =============================================================================
 
 function showVideoPreview (account) {
@@ -23,3 +25,7 @@ function updateVideoPreview () {
 function hideVideoPreview () {
   window.detachVirtualWindow()
 }
+
+function handleCodecDownloadRequested (codecInfo) {
+  LinphoneUtils.openCodecOnlineInstallerDialog(window, codecInfo)
+}

ui/views/App/Settings/SettingsVideo.qml

@@ -142,6 +142,8 @@ TabContainer {
       CodecsViewer {
         model: VideoCodecsModel
         width: parent.width
+
+        onDownloadRequested: Logic.handleCodecDownloadRequested(codecInfo)
       }
     }
   }

ui/views/App/Settings/SettingsWindow.qml

@@ -12,7 +12,6 @@ import App.Styles 1.0
 ApplicationWindow {
   id: window
 
-
   minimumHeight: SettingsWindowStyle.height
   minimumWidth: SettingsWindowStyle.width