avmedia/source/vlc/vlcmanager.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <boost/algorithm/string.hpp>
  11 #include <boost/lexical_cast.hpp>
  12 #include <com/sun/star/uno/Exception.hpp>
  13 #include <cppuhelper/supportsservice.hxx>
  14 #include <cppuhelper/weak.hxx>
  15 #include <sal/log.hxx>
  16 #include "vlcmanager.hxx"
  17 #include "vlcplayer.hxx"
  18 #include <wrapper/Instance.hxx>
  19 #include <wrapper/EventManager.hxx>
  20 #include <wrapper/Media.hxx>
  21 #include <wrapper/Player.hxx>
  22 #include <wrapper/Common.hxx>
  23 #include <officecfg/Office/Common.hxx>
  24
  25 using namespace ::com::sun::star;
  26
  27 namespace avmedia::vlc {
  28
  29 namespace
  30 {
  31     const char * const VLC_ARGS[] = {
  32         "--demux",
  33         "ffmpeg",
  34         "--no-mouse-events",
  35         "--verbose=-1"
  36     };
  37 }
  38
  39 Manager::Manager()
  40     : mEventHandler()
  41 {
  42     using namespace wrapper;
  43     static bool success = Instance::LoadSymbols() && EventManager::LoadSymbols()
  44                           && Media::LoadSymbols() && Player::LoadSymbols()
  45                           && Common::LoadSymbols();
  46
  47     m_is_vlc_found = success;
  48     if (m_is_vlc_found)
  49     {
  50         mInstance.reset(new Instance( SAL_N_ELEMENTS(VLC_ARGS), VLC_ARGS ));
  51         //Check VLC version
  52         std::vector<std::string> verComponents;
  53         const std::string str(Common::Version());
  54
  55         boost::split(verComponents,
  56                      str,
  57                      boost::is_any_of(". "));
  58         if (verComponents.size() < 3
  59             || boost::lexical_cast<int>(verComponents[0]) < 2
  60             || (boost::lexical_cast<int>(verComponents[1]) == 0
  61                 && boost::lexical_cast<int>(verComponents[2]) < 8))
  62         {
  63             SAL_WARN("avmedia", "VLC version '" << str << "' is too old");
  64             m_is_vlc_found = false;
  65         }
  66         else
  67             SAL_INFO("avmedia", "VLC version '" << str << "' is acceptable");
  68     }
  69     else
  70         SAL_WARN("avmedia", "Cannot load symbols");
  71
  72     if (m_is_vlc_found)
  73     {
  74         mEventHandler.create();
  75     }
  76 }
  77
  78 Manager::~Manager()
  79 {
  80     mEventHandler.stop();
  81 }
  82
  83 uno::Reference< media::XPlayer > SAL_CALL Manager::createPlayer( const OUString& rURL )
  84 {
  85     if ( !m_is_vlc_found )
  86         throw uno::RuntimeException("VLC not found", nullptr);
  87
  88     if ( !rURL.isEmpty() )
  89     {
  90         if (mURL == rURL)
  91             return mPlayer;
  92
  93         mURL = rURL;
  94     }
  95     else
  96         return mPlayer;
  97
  98     VLCPlayer* pPlayer( new VLCPlayer( mURL,
  99                                        *mInstance,
 100                                        mEventHandler /*, mxMgr */ ) );
 101     mPlayer.set( pPlayer );
 102
 103     return mPlayer;
 104 }
 105
 106 OUString SAL_CALL Manager::getImplementationName()
 107 {
 108     return "com.sun.star.comp.avmedia.Manager_VLC";
 109 }
 110
 111 sal_Bool SAL_CALL Manager::supportsService( const OUString& serviceName )
 112 {
 113     return cppu::supportsService(this, serviceName);
 114 }
 115
 116 uno::Sequence< OUString > SAL_CALL Manager::getSupportedServiceNames()
 117 {
 118     return {  "com.sun.star.media.Manager_VLC" };
 119 }
 120
 121 } // end namespace
 122
 123
 124 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
 125 com_sun_star_comp_media_Manager_VLC_get_implementation(
 126     css::uno::XComponentContext* context , css::uno::Sequence<css::uno::Any> const&)
 127 {
 128     // Experimental for now - code is neither elegant nor well tested.
 129     if (!officecfg::Office::Common::Misc::ExperimentalMode::get(context))
 130         return nullptr;
 131     return cppu::acquire(static_cast<cppu::OWeakObject *>(new ::avmedia::vlc::Manager));
 132 }
 133
 134
 135 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */