Mute sound when grabbing a frame.

Change-Id: I8190d6c9a93183d48076c95a7cd0b978a2954afb

avmedia/source/vlc/vlcframegrabber.cxx

@@ -25,15 +25,23 @@ namespace
     const ::rtl::OUString AVMEDIA_VLC_GRABBER_IMPLEMENTATIONNAME = "com.sun.star.comp.avmedia.VLCFrameGrabber_VLC";
     const ::rtl::OUString AVMEDIA_VLC_GRABBER_SERVICENAME = "com.sun.star.media.VLCFrameGrabber_VLC";
     const int MSEC_IN_SEC = 1000;
+
+    const char * const VLC_ARGS[] = {
+        "-Vdummy",
+        "--snapshot-format=png",
+        "--ffmpeg-threads",
+        "--verbose=-1",
+        "--no-audio"
+    };
 }
 
-VLCFrameGrabber::VLCFrameGrabber( VLC::Player& player, VLC::EventHandler& eh, const rtl::OUString& url )
+VLCFrameGrabber::VLCFrameGrabber( VLC::EventHandler& eh, const rtl::OUString& url )
     : FrameGrabber_BASE()
-    , mPlayer( player )
-    , mUrl( url )
+    , mInstance( sizeof( VLC_ARGS ) / sizeof( VLC_ARGS[0] ), VLC_ARGS )
+    , mMedia( url, mInstance )
+    , mPlayer( mMedia )
     , mEventHandler( eh )
 {
-    std::cout << "URL: " << url << std::endl;
 }
 
 ::uno::Reference< css::graphic::XGraphic > SAL_CALL VLCFrameGrabber::grabFrame( double fMediaTime )
@@ -46,8 +54,6 @@ VLCFrameGrabber::VLCFrameGrabber( VLC::Player& player, VLC::EventHandler& eh, co
         VLC::EventManager manager( mPlayer, mEventHandler );
         manager.onPaused(boost::bind(&osl::Condition::set, &condition));
 
-        mPlayer.setMute( true );
-
         if ( !mPlayer.play() )
         {
             std::cerr << "Couldn't play when trying to grab frame" << std::endl;
@@ -60,19 +66,14 @@ VLCFrameGrabber::VLCFrameGrabber( VLC::Player& player, VLC::EventHandler& eh, co
         const TimeValue timeout = {2, 0};
         condition.wait(&timeout);
 
-        if ( mUrl.isEmpty() || !mPlayer.hasVout() )
+        if ( !mPlayer.hasVout() )
         {
             std::cerr << "Couldn't grab frame" << std::endl;
-            mPlayer.setMute( false );
-
             manager.onPaused();
             return ::uno::Reference< css::graphic::XGraphic >();
         }
 
-        std::cout << "Take snapshot " << fileName << std::endl;
-        std::cout << mPlayer.takeSnapshot( fileName ) << std::endl;
-
-        mPlayer.setMute( false );
+        mPlayer.takeSnapshot( fileName );
         mPlayer.stop();
 
         manager.onPaused();

avmedia/source/vlc/vlcframegrabber.hxx

@@ -24,10 +24,10 @@
 #include <com/sun/star/media/XFrameGrabber.hpp>
 #include <cppuhelper/implbase2.hxx>
 #include "vlccommon.hxx"
+#include "wrapper/Wrapper.hxx"
 
 namespace VLC
 {
-    class Player;
     class EventHandler;
 }
 
@@ -39,11 +39,12 @@ typedef ::cppu::WeakImplHelper2< ::com::sun::star::media::XFrameGrabber,
 
 class VLCFrameGrabber : public FrameGrabber_BASE
 {
-    VLC::Player& mPlayer;
-    const rtl::OUString& mUrl;
+    VLC::Instance mInstance;
+    VLC::Media mMedia;
+    VLC::Player mPlayer;
     VLC::EventHandler& mEventHandler;
 public:
-    VLCFrameGrabber( VLC::Player& player, VLC::EventHandler& eh, const rtl::OUString& url );
+    VLCFrameGrabber( VLC::EventHandler& eh, const rtl::OUString& url );
 
     ::com::sun::star::uno::Reference< css::graphic::XGraphic > SAL_CALL grabFrame( double fMediaTime ) throw ( ::com::sun::star::uno::RuntimeException );
 

avmedia/source/vlc/vlcmanager.cxx

@@ -29,8 +29,6 @@ namespace
 
     const char * const VLC_ARGS[] = {
         "-Vdummy",
-        "--snapshot-format=png",
-        "--ffmpeg-threads",
         "--verbose=-1"
     };
 }

avmedia/source/vlc/vlcplayer.cxx

@@ -189,8 +189,13 @@ uno::Reference< css::media::XFrameGrabber > SAL_CALL VLCPlayer::createFrameGrabb
      throw ( ::com::sun::star::uno::RuntimeException )
 {
     ::osl::MutexGuard aGuard(m_aMutex);
-    VLCFrameGrabber *frameGrabber = new VLCFrameGrabber( mPlayer, mEventHandler, mUrl );
-    return uno::Reference< css::media::XFrameGrabber >( frameGrabber );
+    if ( !mrFrameGrabber.is() )
+    {
+        VLCFrameGrabber *frameGrabber = new VLCFrameGrabber( mEventHandler, mUrl );
+        mrFrameGrabber = uno::Reference< css::media::XFrameGrabber >( frameGrabber );
+    }
+
+    return mrFrameGrabber;
 }
 
 ::rtl::OUString SAL_CALL VLCPlayer::getImplementationName()

avmedia/source/vlc/vlcplayer.hxx

@@ -50,6 +50,7 @@ class VLCPlayer : public ::cppu::BaseMutex,
     VLC::EventManager mEventManager;
     const rtl::OUString mUrl;
     bool mPlaybackLoop;
+    ::com::sun::star::uno::Reference< css::media::XFrameGrabber > mrFrameGrabber;
 public:
     VLCPlayer( const rtl::OUString& url,
                VLC::Instance& instance,