[vlmc-devel] commit: GenericRenderer.h: Add virtual interfaces to set and get Volume. ( Rohit Yadav )

[git at videolan.org]

vlmc | branch: master | Rohit Yadav <rohityadav89 at gmail.com> | Mon Sep 27 01:56:52 2010 +0530| [855b5ecd3ad33fb11d46a0f31ab21b552765659a] | committer: Rohit Yadav 

GenericRenderer.h: Add virtual interfaces to set and get Volume.
Add signal for notifying volume change.

> http://git.videolan.org/gitweb.cgi/vlmc.git/?a=commit;h=855b5ecd3ad33fb11d46a0f31ab21b552765659a
---

 src/Renderer/GenericRenderer.h |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/src/Renderer/GenericRenderer.h b/src/Renderer/GenericRenderer.h
index 79dcaad..052f89e 100644
--- a/src/Renderer/GenericRenderer.h
+++ b/src/Renderer/GenericRenderer.h
@@ -61,6 +61,15 @@ public:
      */
     void                setRenderWidget( QWidget* renderWidget );
 #endif
+
+    /**
+     *  \brief  Set the output volume.
+     *  \param  volume the volume (int)
+     *  \return 0 if the volume was set, -1 if it was out of range
+     *  \sa     getVolume()
+     */
+    virtual int         setVolume( int volume ) = 0;
+
     /**
      *  \brief          Play or pause the media.
      *
@@ -96,6 +105,13 @@ public:
     virtual void                    stop() = 0;
 
     /**
+     *  \brief   Return the volume
+     *  \return  The Return the volume the audio level (int)
+     *  \sa     setVolume( int )
+     */
+    virtual int                     getVolume() const = 0;
+
+    /**
      * \brief   Return the length in milliseconds
      * \return  The length of the underlying rendered target in milliseconds
      *  \sa     getLength()
@@ -198,6 +214,10 @@ signals:
      */
     void                            playing();
     /**
+     *  \brief  Emmited when volume change occurs.
+     */
+    void                            volumeChanged();
+    /**
      *  \brief  Emmited when rendered frame has been changed.
      *  \param  newFrame    The new current frame
      *  \param  reason      The reason for changing frame