Exposes a shlib interface for media/audio path.

chromecast/public/cast_media_shlib.h

Index: chromecast/public/cast_media_shlib.h
diff --git a/chromecast/public/cast_media_shlib.h b/chromecast/public/cast_media_shlib.h
index 8b776da8a43504a11ddaf9eb2ee24d361c4419a9..5c7d012a742b3c65189f5354439fdd063a976ff8 100644
--- a/chromecast/public/cast_media_shlib.h
+++ b/chromecast/public/cast_media_shlib.h
@@ -13,6 +13,7 @@
 namespace chromecast {
 namespace media {
 
+class CastAudioOutputDevice;
 class VideoPlane;
 
 // Provides access to platform-specific media systems and hardware resources.
@@ -39,6 +40,11 @@ class CHROMECAST_EXPORT CastMediaShlib {
   // While an implementation is in an initialized state, this function may be
   // called at any time.  The VideoPlane object must be destroyed in Finalize.
   static VideoPlane* GetVideoPlane();
+
+  // Gets the CastAudioOutputDevice instance, which will be used to provide
+  // CastAudioOutputStreams. The returned instance is owned by this class, and
+  // may be destroyed in Finalize().

[halliwell, 2015/07/29 22:10:14]

May be or must be?  Check comment above about fact that we can go through
multiple init/finalize flows.  VideoPlane has to be created/destroyed for each
such cycle.  I don't know what the constraints are on audio, but we should be
clear on expectations.

[halliwell, 2015/07/30 21:55:49]

This comment still not addressed, btw.

+  static CastAudioOutputDevice* GetAudioOutputDevice();
 };
 
 }  // namespace media