libvlcpp: add a function to get the audio infromations from the media player.

The Audio class can only be created/destroyed by the associated MediaPlayer
class. I will add some copy constructor later on.

bindings/libvlcpp/src/Makefile.am

@@ -17,7 +17,7 @@ libvlcpp_la_SOURCES =   \
 libvlcpp_la_CXXFLAGS = @libvlc_CFLAGS@
 libvlcpp_la_LDFLAGS = @libvlc_LIBS@ -version-info 1:0:0
 library_includedir=$(includedir)/libvlcpp
-library_include_HEADERS = exception.hpp libvlc.hpp media.hpp media_player.hpp video.hpp
+library_include_HEADERS = exception.hpp libvlc.hpp media.hpp media_player.hpp video.hpp audio.hpp
 
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = libvlcpp.pc

bindings/libvlcpp/src/audio.cpp

@@ -26,10 +26,8 @@
 
 using namespace libvlc;
 
-Audio::Audio( libvlc_media_player_t *player )
+Audio::Audio()
 {
-    m_player = player;
-    libvlc_media_player_retain( m_player );
 }
 
 Audio::~Audio()
@@ -77,3 +75,8 @@ void Audio::setTrack( int track )
     libvlc_audio_set_track( m_player, track );
 }
 
+void Audio::setMediaPlayer( libvlc_media_player_t *player )
+{
+    libvlc_media_player_retain( player );
+    m_player = player;
+}

bindings/libvlcpp/src/audio.hpp

@@ -33,18 +33,11 @@
 namespace libvlc
 {
 
+class MediaPlayer;
+
 class Audio
 {
 public:
-    /**
-     * Constructor
-     * @param player: the player handling the audio
-     */
-    Audio( libvlc_media_player_t *player );
-
-    /** Destructor */
-    ~Audio();
-
     /**
      * Toggle mute status
      */
@@ -110,6 +103,23 @@ public:
 private:
     /** The media player instance of libvlc */
     libvlc_media_player_t *m_player;
+
+    /**
+     * The constructor is private so only the MediaPlayer can create an instance of this class
+     */
+    Audio();
+
+    /** Destructor only used by the MediaPlayer associated with this class */
+    ~Audio();
+
+    /**
+     * Set the media player. This function can only be used by the MediaPlayer class
+     * @param player: the media player
+     */
+    void setMediaPlayer( libvlc_media_player_t *player);
+
+    /** Friend class */
+    friend class MediaPlayer;
 };
 
 };

bindings/libvlcpp/src/media_player.cpp

@@ -28,11 +28,13 @@ using namespace libvlc;
 MediaPlayer::MediaPlayer( libVLC &libvlcInstance )
 {
     m_player = libvlc_media_player_new( libvlcInstance.m_instance );
+    m_audio.setMediaPlayer( m_player );
 }
 
 MediaPlayer::MediaPlayer( Media &media )
 {
     m_player = libvlc_media_player_new_from_media( media.m_media );
+    m_audio.setMediaPlayer( m_player );
 }
 
 MediaPlayer::~MediaPlayer()
@@ -238,3 +240,8 @@ int MediaPlayer::fullscreen()
 {
     return libvlc_get_fullscreen( m_player );
 }
+
+Audio &MediaPlayer::audio()
+{
+    return m_audio;
+}

bindings/libvlcpp/src/media_player.hpp

@@ -30,6 +30,7 @@
 
 #include "libvlc.hpp"
 #include "media.hpp"
+#include "audio.hpp"
 
 namespace libvlc
 {
@@ -47,7 +48,7 @@ public:
      * Create a media player with a media associated
      * @param media: the associated media (the media can be safely destroy afterward)
      */
-    MediaPlayer( Media &media);
+    MediaPlayer( Media &media );
 
     /**
      * Destructor
@@ -304,9 +305,18 @@ public:
      */
     int fullscreen();
 
+    /**
+     * Get the class that handle the Audio
+     * @return the instance of Audio associated with this MediaPlayer
+     */
+    Audio &audio();
+
 private:
     /** The media player instance of libvlc */
     libvlc_media_player_t *m_player;
+
+    /** The Audio part of the media player */
+    Audio m_audio;
 };
 
 };