From d605427efc9e95568d1bfcb4b4482f6740e1fa92 Mon Sep 17 00:00:00 2001
From: maroy <maroy@cfc7b370-4200-0410-a6e3-cb6bdb053afe>
Date: Tue, 11 Jan 2005 17:26:03 +0000
Subject: [PATCH] added getVolume() and setVolume() to HelixPlayer

---
 .../playlistExecutor/src/HelixPlayer.cxx      | 39 ++++++++++++++++++-
 .../playlistExecutor/src/HelixPlayer.h        | 20 +++++++++-
 2 files changed, 56 insertions(+), 3 deletions(-)

diff --git a/livesupport/modules/playlistExecutor/src/HelixPlayer.cxx b/livesupport/modules/playlistExecutor/src/HelixPlayer.cxx
index d93c93f38..e091a7f9d 100644
--- a/livesupport/modules/playlistExecutor/src/HelixPlayer.cxx
+++ b/livesupport/modules/playlistExecutor/src/HelixPlayer.cxx
@@ -22,7 +22,7 @@
  
  
     Author   : $Author: maroy $
-    Version  : $Revision: 1.8 $
+    Version  : $Revision: 1.9 $
     Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/playlistExecutor/src/Attic/HelixPlayer.cxx,v $
 
 ------------------------------------------------------------------------------*/
@@ -38,6 +38,7 @@
 #include "LiveSupport/Core/TimeConversion.h"
 #include "HelixEventHandlerThread.h"
 #include "HelixPlayer.h"
+#include <hxausvc.h>
 
 
 using namespace LiveSupport::Core;
@@ -329,6 +330,42 @@ HelixPlayer :: close(void)                       throw ()
 }
 
 
+/*------------------------------------------------------------------------------
+ *  Get the volume of the player.
+ *----------------------------------------------------------------------------*/
+unsigned int
+HelixPlayer :: getVolume(void)                                  throw ()
+{
+    IHXAudioPlayer    * audioPlayer = 0;
+    player->QueryInterface(IID_IHXAudioPlayer, (void**) &audioPlayer);
+    if (!audioPlayer) {
+        std::cerr << "can't get IHXAudioPlayer interface" << std::endl;
+        return 0;
+    }
+
+    IHXVolume * ihxVolume = audioPlayer->GetAudioVolume();
+    return ihxVolume->GetVolume();
+}
+
+
+/*------------------------------------------------------------------------------
+ *  Set the volume of the player.
+ *----------------------------------------------------------------------------*/
+void
+HelixPlayer :: setVolume(unsigned int   volume)                 throw ()
+{
+    IHXAudioPlayer    * audioPlayer = 0;
+    player->QueryInterface(IID_IHXAudioPlayer, (void**) &audioPlayer);
+    if (!audioPlayer) {
+        std::cerr << "can't get IHXAudioPlayer interface" << std::endl;
+        return;
+    }
+
+    IHXVolume * ihxVolume = audioPlayer->GetAudioVolume();
+    ihxVolume->SetVolume(volume);
+}
+
+
 /*------------------------------------------------------------------------------
  *  A global function needed by the Helix library, this will return the
  *  access path to shared objects.
diff --git a/livesupport/modules/playlistExecutor/src/HelixPlayer.h b/livesupport/modules/playlistExecutor/src/HelixPlayer.h
index 878c25594..d79ea0190 100644
--- a/livesupport/modules/playlistExecutor/src/HelixPlayer.h
+++ b/livesupport/modules/playlistExecutor/src/HelixPlayer.h
@@ -22,7 +22,7 @@
  
  
     Author   : $Author: maroy $
-    Version  : $Revision: 1.6 $
+    Version  : $Revision: 1.7 $
     Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/playlistExecutor/src/Attic/HelixPlayer.h,v $
 
 ------------------------------------------------------------------------------*/
@@ -91,7 +91,7 @@ using namespace LiveSupport::Core;
  *  </pre></code>
  *
  *  @author  $Author: maroy $
- *  @version $Revision: 1.6 $
+ *  @version $Revision: 1.7 $
  */
 class HelixPlayer : virtual public Configurable,
                     virtual public AudioPlayerInterface,
@@ -310,6 +310,22 @@ class HelixPlayer : virtual public Configurable,
          */
         virtual Ptr<posix_time::time_duration>::Ref
         getPlaylength(void)                                 throw ();
+
+        /**
+         *  Get the volume of the player.
+         *
+         *  @return the volume, from 1 to 100.
+         */
+        virtual unsigned int
+        getVolume(void)                                     throw ();
+
+        /**
+         *  Set the volume of the player.
+         *
+         *  @param volume the new volume, from 1 to 100.
+         */
+        virtual void
+        setVolume(unsigned int  volume)                     throw ();
 };