Basic plumbing to retrieve metadata from the native player.

IMediaPlayer.h
Added a getMetadata method that mirrors the on in MediaPlayer.java.

MediaPlayer.java
Added a native method to get the metadata from the native player.
Parse the parcel into a Metadata object.

Metadata.java
Added a stub to parse the Parcel returned by the native player into
a set of metadata.

android_media_MediaPlayer.cpp
JNI call to forward the getMetadata call.

MediaPlayerService.cpp
MediaPlayerService::Client implements the new getMetadata method added in IMediaPlayer.h

1 files changed, 12 insertions, 3 deletions

diff --git a/media/libmedia/mediaplayer.cpp b/media/libmedia/mediaplayer.cpp
index d8c622f3781f..6b35fa7d9515 100644
--- a/media/libmedia/mediaplayer.cpp
+++ b/media/libmedia/mediaplayer.cpp
@@ -211,14 +211,23 @@ status_t MediaPlayer::invoke(const Parcel& request, Parcel *reply)
 status_t MediaPlayer::setMetadataFilter(const Parcel& filter)
 {
     LOGD("setMetadataFilter");
-    Mutex::Autolock _l(mLock);
-    if (mPlayer == NULL)
-    {
+    Mutex::Autolock lock(mLock);
+    if (mPlayer == NULL) {
         return NO_INIT;
     }
     return mPlayer->setMetadataFilter(filter);
 }
 
+status_t MediaPlayer::getMetadata(bool update_only, bool apply_filter, Parcel *metadata)
+{
+    LOGD("getMetadata");
+    Mutex::Autolock lock(mLock);
+    if (mPlayer == NULL) {
+        return NO_INIT;
+    }
+    return mPlayer->getMetadata(update_only, apply_filter, metadata);
+}
+
 status_t MediaPlayer::setVideoSurface(const sp<Surface>& surface)
 {
     LOGV("setVideoSurface");