VLC Player wrapper

Change-Id: I507bbfb0426d003eca7cf0a3331128f8af1aee89

10 files changed, 268 insertions, 43 deletions

diff --git a/avmedia/Library_avmediavlc.mk b/avmedia/Library_avmediavlc.mk
index a04237b77a91..0f8b0390bef9 100644
--- a/avmedia/Library_avmediavlc.mk
+++ b/avmedia/Library_avmediavlc.mk
@@ -47,6 +47,7 @@ $(eval $(call gb_Library_add_exception_objects,avmediavlc,\
     avmedia/source/vlc/vlcframegrabber \
     avmedia/source/vlc/wrapper/Instance \
     avmedia/source/vlc/wrapper/Media \
+    avmedia/source/vlc/wrapper/Player \
 ))
 
 # vim: set noet sw=4 ts=4:
diff --git a/avmedia/source/vlc/vlcframegrabber.cxx b/avmedia/source/vlc/vlcframegrabber.cxx
index 4630f15c2f79..4e0eaf92b0f5 100644
--- a/avmedia/source/vlc/vlcframegrabber.cxx
+++ b/avmedia/source/vlc/vlcframegrabber.cxx
@@ -10,9 +10,9 @@
 
 #include "vlcframegrabber.hxx"
 #include "vlcplayer.hxx"
+#include "wrapper/Player.hxx"
 
 #include <vlc/libvlc_events.h>
-#include <vlc/libvlc_media_player.h>
 
 using namespace ::com::sun::star;
 
@@ -23,7 +23,7 @@ const ::rtl::OUString AVMEDIA_VLC_GRABBER_IMPLEMENTATIONNAME = "com.sun.star.com
 const ::rtl::OUString AVMEDIA_VLC_GRABBER_SERVICENAME = "com.sun.star.media.VLCFrameGrabber_VLC";
 const int MSEC_IN_SEC = 1000;
 
-SAL_CALL VLCFrameGrabber::VLCFrameGrabber( boost::shared_ptr<libvlc_media_player_t>& player, const rtl::OUString& url )
+SAL_CALL VLCFrameGrabber::VLCFrameGrabber( VLC::Player& player, const rtl::OUString& url )
     : FrameGrabber_BASE()
     , mPlayer( player )
     , mUrl( url )
@@ -48,38 +48,38 @@ namespace
 {
     osl::Condition condition;
 
-    libvlc_media_player_t *player = mPlayer.get();
-    libvlc_event_manager_t *manager = libvlc_media_player_event_manager( player );
+    libvlc_event_manager_t *manager = libvlc_media_player_event_manager( mPlayer );
     libvlc_event_attach( manager, libvlc_MediaPlayerPaused, EventHandler, &condition );
 
-    libvlc_audio_set_mute( player, true );
-    if ( libvlc_media_player_play( player ) == -1 )
+    mPlayer.setMute( true );
+
+    if ( !mPlayer.play() )
     {
         std::cerr << "Couldn't play" << std::endl;
     }
 
-    libvlc_media_player_set_time( player, ( fMediaTime > 0 ? fMediaTime : 0 ) * MSEC_IN_SEC );
+    mPlayer.setTime( ( fMediaTime > 0 ? fMediaTime : 0 ) * MSEC_IN_SEC );
+    mPlayer.pause();
 
-    libvlc_media_player_pause( player );
     const TimeValue timeout = {2, 0};
     condition.wait(&timeout);
 
-    if ( mUrl.isEmpty() || !libvlc_media_player_has_vout( player ) )
+    if ( mUrl.isEmpty() || !mPlayer.hasVout() )
     {
         std::cerr << "Couldn't grab frame" << std::endl;
-        libvlc_audio_set_mute( player, false );
+        mPlayer.setMute( false );
 
         libvlc_event_detach( manager, libvlc_MediaPlayerPaused, EventHandler, &condition );
         return ::uno::Reference< css::graphic::XGraphic >();
     }
 
     const rtl::OUString& fileName = utl::TempFile::CreateTempName();
-    rtl::OString dest;
-    fileName.convertToString( &dest, RTL_TEXTENCODING_UTF8, 0 );
 
-    libvlc_video_take_snapshot( player, 0, dest.getStr(), 0, 0 );
-    libvlc_audio_set_mute( player, false );
-    libvlc_media_player_stop( player );
+    mPlayer.takeSnapshot( fileName );
+
+    mPlayer.setMute( false );
+    mPlayer.stop();
+
     libvlc_event_detach( manager, libvlc_MediaPlayerPaused, EventHandler, &condition );
 
     rtl::OUString url;
diff --git a/avmedia/source/vlc/vlcframegrabber.hxx b/avmedia/source/vlc/vlcframegrabber.hxx
index 7b83a1c8a6f9..53dce41bcea0 100644
--- a/avmedia/source/vlc/vlcframegrabber.hxx
+++ b/avmedia/source/vlc/vlcframegrabber.hxx
@@ -25,7 +25,10 @@
 #include <cppuhelper/implbase2.hxx>
 #include "vlccommon.hxx"
 
-struct libvlc_media_player_t;
+namespace VLC
+{
+    class Player;
+}
 
 namespace avmedia {
 namespace vlc {
@@ -35,10 +38,10 @@ typedef ::cppu::WeakImplHelper2< ::com::sun::star::media::XFrameGrabber,
 
 class VLCFrameGrabber : public FrameGrabber_BASE
 {
-    boost::shared_ptr<libvlc_media_player_t> mPlayer;
+    VLC::Player& mPlayer;
     const rtl::OUString& mUrl;
 public:
-    SAL_CALL VLCFrameGrabber( boost::shared_ptr<libvlc_media_player_t>& player, const rtl::OUString& url );
+    SAL_CALL VLCFrameGrabber( VLC::Player& player, const rtl::OUString& url );
 
     ::com::sun::star::uno::Reference< css::graphic::XGraphic > SAL_CALL grabFrame( double fMediaTime );
 
diff --git a/avmedia/source/vlc/vlcplayer.cxx b/avmedia/source/vlc/vlcplayer.cxx
index f3e3f6924d45..2bf15fbd4321 100644
--- a/avmedia/source/vlc/vlcplayer.cxx
+++ b/avmedia/source/vlc/vlcplayer.cxx
@@ -27,7 +27,7 @@ VLCPlayer::VLCPlayer( const rtl::OUString& url )
     : VLC_Base(m_aMutex)
     , mInstance( VLC_ARGS )
     , mMedia( url, mInstance )
-    , mPlayer( libvlc_media_player_new_from_media( mMedia ), libvlc_media_player_release )
+    , mPlayer( mMedia )
     , mUrl( url )
     , mPlaybackLoop( false )
 {
@@ -41,49 +41,49 @@ const rtl::OUString& VLCPlayer::url() const
 void SAL_CALL VLCPlayer::start()
 {
     ::osl::MutexGuard aGuard(m_aMutex);
-    libvlc_media_player_play( mPlayer.get() );
+    mPlayer.play();
 }
 
 void SAL_CALL VLCPlayer::stop()
 {
     ::osl::MutexGuard aGuard(m_aMutex);
-    libvlc_media_player_pause( mPlayer.get() );
+    mPlayer.pause();
 }
 
 ::sal_Bool SAL_CALL VLCPlayer::isPlaying()
 {
     ::osl::MutexGuard aGuard(m_aMutex);
-    return (libvlc_media_player_is_playing( mPlayer.get() ) == 1);
+    return mPlayer.isPlaying();
 }
 
 double SAL_CALL VLCPlayer::getDuration()
 {
     ::osl::MutexGuard aGuard(m_aMutex);
-    return static_cast<double>( libvlc_media_player_get_length( mPlayer.get() ) ) / MS_IN_SEC;
+    return static_cast<double>( mPlayer.getLength() ) / MS_IN_SEC;
 }
 
 void SAL_CALL VLCPlayer::setMediaTime( double fTime )
 {
     ::osl::MutexGuard aGuard(m_aMutex);
 
-    if ( fTime < 0.00000001 && !libvlc_media_player_is_playing( mPlayer.get() ) )
+    if ( fTime < 0.00000001 && !mPlayer.isPlaying() )
     {
-        libvlc_media_player_stop( mPlayer.get() );
+        mPlayer.stop();
     }
 
-    libvlc_media_player_set_time( mPlayer.get(), fTime * MS_IN_SEC );
+    mPlayer.setTime( fTime * MS_IN_SEC );
 }
 
 double SAL_CALL VLCPlayer::getMediaTime()
 {
     ::osl::MutexGuard aGuard(m_aMutex);
-    return static_cast<double>( libvlc_media_player_get_time( mPlayer.get() ) ) / MS_IN_SEC;
+    return static_cast<double>( mPlayer.getTime() ) / MS_IN_SEC;
 }
 
 double SAL_CALL VLCPlayer::getRate()
 {
     ::osl::MutexGuard aGuard(m_aMutex);
-    return libvlc_media_player_get_rate( mPlayer.get() );
+    return mPlayer.getRate();
 }
 
 namespace
@@ -93,9 +93,10 @@ namespace
         switch (evemt->type)
         {
         case libvlc_MediaPlayerEndReached:
-            boost::shared_ptr<libvlc_media_player_t> player = *static_cast< boost::shared_ptr<libvlc_media_player_t>* >( pData );
-            libvlc_media_player_stop( player.get() );
-            libvlc_media_player_play( player.get() );
+            VLC::Player& player = *static_cast< VLC::Player* >( pData );
+
+            player.stop();
+            player.play();
             break;
         }
     }
@@ -106,7 +107,7 @@ void SAL_CALL VLCPlayer::setPlaybackLoop( ::sal_Bool bSet )
     ::osl::MutexGuard aGuard(m_aMutex);
     mPlaybackLoop = bSet;
 
-    libvlc_event_manager_t *manager = libvlc_media_player_event_manager( mPlayer.get() );
+    libvlc_event_manager_t *manager = libvlc_media_player_event_manager( mPlayer );
 
     if ( bSet )
         libvlc_event_attach( manager, libvlc_MediaPlayerEndReached, EventHandler, &mPlayer );
@@ -123,25 +124,25 @@ void SAL_CALL VLCPlayer::setPlaybackLoop( ::sal_Bool bSet )
 void SAL_CALL VLCPlayer::setVolumeDB( ::sal_Int16 nDB )
 {
     ::osl::MutexGuard aGuard(m_aMutex);
-    libvlc_audio_set_volume( mPlayer.get(), static_cast<sal_Int16>( ( nDB + 40 ) * 10.0  / 4 ) );
+    mPlayer.setVolume( static_cast<sal_Int16>( ( nDB + 40 ) * 10.0  / 4 ) );
 }
 
 ::sal_Int16 SAL_CALL VLCPlayer::getVolumeDB()
 {
     ::osl::MutexGuard aGuard(m_aMutex);
-    return static_cast<sal_Int16>( libvlc_audio_get_volume( mPlayer.get() ) / 10.0 * 4 - 40 );
+    return static_cast<sal_Int16>( mPlayer.getVolume() / 10.0 * 4 - 40 );
 }
 
 void SAL_CALL VLCPlayer::setMute( ::sal_Bool bSet )
 {
     ::osl::MutexGuard aGuard(m_aMutex);
-    libvlc_audio_set_mute( mPlayer.get(), bSet );
+    mPlayer.setMute( bSet );
 }
 
 ::sal_Bool SAL_CALL VLCPlayer::isMute()
 {
     ::osl::MutexGuard aGuard(m_aMutex);
-    return libvlc_audio_get_mute( mPlayer.get() );
+    return mPlayer.getMute();
 }
 
 css::awt::Size SAL_CALL VLCPlayer::getPreferredPlayerWindowSize()
@@ -189,7 +190,7 @@ uno::Reference< css::media::XPlayerWindow > SAL_CALL VLCPlayer::createPlayerWind
 #if defined(WIN32) && !defined(UNIX)
         //TODO: Not works, will be crashed
 #else
-        libvlc_media_player_set_xwindow( mPlayer.get(), winID );
+        mPlayer.setXWindow( winID );
 #endif
     }
 
diff --git a/avmedia/source/vlc/vlcplayer.hxx b/avmedia/source/vlc/vlcplayer.hxx
index e8d3fd0b9e08..230b21906781 100644
--- a/avmedia/source/vlc/vlcplayer.hxx
+++ b/avmedia/source/vlc/vlcplayer.hxx
@@ -29,6 +29,7 @@
 
 #include "wrapper/Instance.hxx"
 #include "wrapper/Media.hxx"
+#include "wrapper/Player.hxx"
 
 namespace avmedia {
 namespace vlc {
@@ -41,7 +42,7 @@ class VLCPlayer : public ::cppu::BaseMutex,
 {
     VLC::Instance mInstance;
     VLC::Media mMedia;
-    boost::shared_ptr<libvlc_media_player_t> mPlayer;
+    VLC::Player mPlayer;
     const rtl::OUString mUrl;
     bool mPlaybackLoop;
 public:
diff --git a/avmedia/source/vlc/wrapper/Media.cxx b/avmedia/source/vlc/wrapper/Media.cxx
index d2cf5c1b6c6c..851a4f5af49a 100644
--- a/avmedia/source/vlc/wrapper/Media.cxx
+++ b/avmedia/source/vlc/wrapper/Media.cxx
@@ -28,7 +28,7 @@ namespace VLC
     }
 
 
-Media::Media(const rtl::OUString& url, Instance& instance)
+Media::Media( const rtl::OUString& url, Instance& instance )
 {
     InitApiMap(VLC_MEDIA_API);
     mMedia = InitMedia( url, instance );
diff --git a/avmedia/source/vlc/wrapper/Media.hxx b/avmedia/source/vlc/wrapper/Media.hxx
index cbeef02952c4..b513943610bc 100644
--- a/avmedia/source/vlc/wrapper/Media.hxx
+++ b/avmedia/source/vlc/wrapper/Media.hxx
@@ -32,7 +32,7 @@ namespace VLC
     class Media
     {
     public:
-        Media(const rtl::OUString& url, Instance& instance);
+        Media( const rtl::OUString& url, Instance& instance );
         virtual ~Media();
 
         inline operator libvlc_media_t*()
diff --git a/avmedia/source/vlc/wrapper/Player.cxx b/avmedia/source/vlc/wrapper/Player.cxx
new file mode 100644
index 000000000000..b67f1b265f5c
--- /dev/null
+++ b/avmedia/source/vlc/wrapper/Player.cxx
@@ -0,0 +1,147 @@
+#include <rtl/ustring.h>
+
+#include "Player.hxx"
+#include "Media.hxx"
+#include "SymbolLoader.hxx"
+
+struct libvlc_media_t;
+namespace VLC
+{
+    namespace
+    {
+        typedef int64_t libvlc_time_t;
+
+        libvlc_media_player_t * ( *libvlc_media_player_new_from_media ) ( libvlc_media_t *p_md );
+        void ( *libvlc_media_player_release ) ( libvlc_media_player_t *p_mi );
+        int ( *libvlc_media_player_play ) ( libvlc_media_player_t *p_mi );
+        void ( *libvlc_media_player_pause ) ( libvlc_media_player_t *p_mi );
+        int ( *libvlc_media_player_is_playing ) ( libvlc_media_player_t *p_mi );
+        void ( *libvlc_media_player_stop ) ( libvlc_media_player_t *p_mi );
+        void ( *libvlc_media_player_set_time ) ( libvlc_media_player_t *p_mi, libvlc_time_t i_time );
+        libvlc_time_t ( *libvlc_media_player_get_time ) ( libvlc_media_player_t *p_mi );
+        libvlc_time_t ( *libvlc_media_player_get_length ) ( libvlc_media_player_t *p_mi );
+        float ( *libvlc_media_player_get_rate )( libvlc_media_player_t *p_mi );
+        int ( *libvlc_audio_set_volume ) ( libvlc_media_player_t *p_mi, int i_volume );
+        int ( *libvlc_audio_get_volume ) ( libvlc_media_player_t *p_mi );
+        int ( *libvlc_audio_get_mute ) ( libvlc_media_player_t *p_mi );
+        void ( *libvlc_audio_set_mute ) ( libvlc_media_player_t *p_mi, int status );
+        int ( *libvlc_video_take_snapshot ) ( libvlc_media_player_t *p_mi, unsigned num,
+                                const char *psz_filepath, unsigned int i_width,
+                                unsigned int i_height );
+        void ( *libvlc_media_player_set_xwindow ) ( libvlc_media_player_t *p_mi, uint32_t drawable );
+        unsigned ( *libvlc_media_player_has_vout ) ( libvlc_media_player_t *p_mi );
+
+        ApiMap VLC_PLAYER_API[] =
+        {
+            SYM_MAP( libvlc_media_player_new_from_media ),
+            SYM_MAP( libvlc_media_player_release ),
+            SYM_MAP( libvlc_media_player_play ),
+            SYM_MAP( libvlc_media_player_pause ),
+            SYM_MAP( libvlc_media_player_is_playing ),
+            SYM_MAP( libvlc_media_player_stop ),
+            SYM_MAP( libvlc_media_player_set_time ),
+            SYM_MAP( libvlc_media_player_get_time ),
+            SYM_MAP( libvlc_media_player_get_length ),
+            SYM_MAP( libvlc_media_player_get_rate ),
+            SYM_MAP( libvlc_audio_set_volume ),
+            SYM_MAP( libvlc_audio_get_volume ),
+            SYM_MAP( libvlc_audio_set_mute ),
+            SYM_MAP( libvlc_audio_get_mute ),
+            SYM_MAP( libvlc_video_take_snapshot ),
+            SYM_MAP( libvlc_media_player_set_xwindow ),
+            SYM_MAP( libvlc_media_player_has_vout )
+        };
+    }
+
+    Player::Player(Media& media)
+    {
+        InitApiMap(VLC_PLAYER_API);
+        mPlayer = libvlc_media_player_new_from_media( media );
+    }
+
+    Player::~Player()
+    {
+        libvlc_media_player_release( mPlayer );
+    }
+
+    bool Player::play()
+    {
+        return libvlc_media_player_play( mPlayer );
+    }
+
+    void Player::pause()
+    {
+        libvlc_media_player_pause( mPlayer );
+    }
+
+    void Player::stop()
+    {
+        libvlc_media_player_stop( mPlayer );
+    }
+
+    void Player::setTime( int time )
+    {
+        libvlc_media_player_set_time( mPlayer, time );
+    }
+
+    int Player::getTime() const
+    {
+        return libvlc_media_player_get_time( mPlayer );
+    }
+
+    bool Player::isPlaying() const
+    {
+        return libvlc_media_player_is_playing( mPlayer ) == 1;
+    }
+
+    int Player::getLength() const
+    {
+        return libvlc_media_player_get_length( mPlayer );
+    }
+
+    float Player::getRate() const
+    {
+        return libvlc_media_player_get_rate( mPlayer );
+    }
+
+    void Player::setVolume( int volume )
+    {
+        libvlc_audio_set_volume( mPlayer, volume );
+    }
+
+    int Player::getVolume() const
+    {
+        return libvlc_audio_get_volume( mPlayer );
+    }
+
+    void Player::setMute( bool mute)
+    {
+        libvlc_audio_set_mute( mPlayer, mute );
+    }
+
+    bool Player::getMute() const
+    {
+        return libvlc_audio_get_mute( mPlayer );
+    }
+
+    void Player::setXWindow( int id )
+    {
+        libvlc_media_player_set_xwindow( mPlayer, id );
+    }
+
+    void Player::takeSnapshot(const rtl::OUString& file)
+    {
+        rtl::OString dest;
+        file.convertToString( &dest, RTL_TEXTENCODING_UTF8, 0 );
+        libvlc_video_take_snapshot( mPlayer, 0, dest.getStr(), 0, 0 );
+    }
+
+    bool Player::hasVout() const
+    {
+        return libvlc_media_player_has_vout( mPlayer );
+    }
+
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
\ No newline at end of file
diff --git a/avmedia/source/vlc/wrapper/Player.hxx b/avmedia/source/vlc/wrapper/Player.hxx
new file mode 100644
index 000000000000..e23acb725c49
--- /dev/null
+++ b/avmedia/source/vlc/wrapper/Player.hxx
@@ -0,0 +1,72 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#ifndef _WRAPPER_PLAYER_HXX
+#define _WRAPPER_PLAYER_HXX
+
+struct libvlc_media_player_t;
+
+namespace rtl
+{
+    class OUString;
+}
+
+namespace VLC
+{
+    class Media;
+    class Player
+    {
+    public:
+        Player(Media& media);
+        virtual ~Player();
+
+        bool play();
+        void pause();
+        void stop();
+        void setTime( int time );
+        int getTime() const;
+        bool isPlaying() const;
+
+        int getLength() const;
+
+        float getRate() const;
+
+        void setVolume( int volume );
+        int getVolume() const;
+
+        void setMute( bool mute);
+        bool getMute() const;
+
+        void setXWindow( int id );
+
+        void takeSnapshot(const rtl::OUString& file);
+
+        bool hasVout() const;
+
+        inline operator libvlc_media_player_t*()
+        {
+            return mPlayer;
+        }
+
+    private:
+        libvlc_media_player_t *mPlayer;
+    };
+}
+
+#endif
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
\ No newline at end of file
diff --git a/avmedia/source/vlc/wrapper/SymbolLoader.hxx b/avmedia/source/vlc/wrapper/SymbolLoader.hxx
index 5e61258a798f..0962a3e92894 100644
--- a/avmedia/source/vlc/wrapper/SymbolLoader.hxx
+++ b/avmedia/source/vlc/wrapper/SymbolLoader.hxx
@@ -39,8 +39,8 @@ namespace
         "libvlccore.so.5"
     };
 
-    template<size_t N> static bool
-    tryLink( oslModule &aModule, const char *pName, const ApiMap ( &pMap )[N] )
+    template<size_t N>
+    bool tryLink( oslModule &aModule, const ApiMap ( &pMap )[N] )
     {
         for (uint i = 0; i < N; ++i)
         {
@@ -70,7 +70,7 @@ bool InitApiMap( const ApiMap ( &pMap )[N]  )
         if( aModule == NULL)
             continue;
 
-        tryLink( aModule, libNames[ j ], pMap );
+        tryLink( aModule, pMap );
 
         osl_unloadModule( aModule );
     }