am f72dd019: Merge "Disable 10secs forward/backward seeking for rtsp as seek is a very expensive operation there. Decouple the 10sec forward/backward button functionality from seekbar functionality." into gingerbread

Merge commit 'f72dd0190ee64914161d361be1213eda8cab7b90' into gingerbread-plus-aosp

* commit 'f72dd0190ee64914161d361be1213eda8cab7b90':
  Disable 10secs forward/backward seeking for rtsp as seek is a very expensive operation there. Decouple the 10sec forward/backward button functionality from seekbar functionality.

include/media/Metadata.h

@@ -91,6 +91,7 @@ class Metadata {
     static const Type kPauseAvailable = 29;        // Boolean
     static const Type kSeekBackwardAvailable = 30; // Boolean
     static const Type kSeekForwardAvailable = 31;  // Boolean
+    static const Type kSeekAvailable = 32;         // Boolean
 
     // @param p[inout] The parcel to append the metadata records
     // to. The global metadata header should have been set already.

include/media/stagefright/MediaExtractor.h

@@ -45,13 +45,14 @@ public:
     virtual sp<MetaData> getMetaData();
 
     enum Flags {
-        CAN_SEEK_BACKWARD  = 1,
-        CAN_SEEK_FORWARD   = 2,
+        CAN_SEEK_BACKWARD  = 1,  // the "seek 10secs back button"
+        CAN_SEEK_FORWARD   = 2,  // the "seek 10secs forward button"
         CAN_PAUSE          = 4,
+        CAN_SEEK           = 8,  // the "seek bar"
     };
 
     // If subclasses do _not_ override this, the default is
-    // CAN_SEEK_BACKWARD | CAN_SEEK_FORWARD | CAN_PAUSE
+    // CAN_SEEK_BACKWARD | CAN_SEEK_FORWARD | CAN_SEEK | CAN_PAUSE
     virtual uint32_t flags() const;
 
 protected:

media/java/android/media/Metadata.java

@@ -102,8 +102,9 @@ public class Metadata
     public static final int PAUSE_AVAILABLE = 29;         // Boolean
     public static final int SEEK_BACKWARD_AVAILABLE = 30; // Boolean
     public static final int SEEK_FORWARD_AVAILABLE = 31;  // Boolean
+    public static final int SEEK_AVAILABLE = 32;          // Boolean
 
-    private static final int LAST_SYSTEM = 31;
+    private static final int LAST_SYSTEM = 32;
     private static final int FIRST_CUSTOM = 8192;
 
     // Shorthands to set the MediaPlayer's metadata filter.

media/libmediaplayerservice/StagefrightPlayer.cpp

@@ -180,6 +180,10 @@ status_t StagefrightPlayer::getMetadata(
             Metadata::kSeekForwardAvailable,
             flags & MediaExtractor::CAN_SEEK_FORWARD);
 
+    metadata.appendBool(
+            Metadata::kSeekAvailable,
+            flags & MediaExtractor::CAN_SEEK);
+
     return OK;
 }
 

media/libstagefright/AwesomePlayer.cpp

@@ -868,9 +868,7 @@ status_t AwesomePlayer::getPosition(int64_t *positionUs) {
 }
 
 status_t AwesomePlayer::seekTo(int64_t timeUs) {
-    if (mExtractorFlags
-            & (MediaExtractor::CAN_SEEK_FORWARD
-                | MediaExtractor::CAN_SEEK_BACKWARD)) {
+    if (mExtractorFlags & MediaExtractor::CAN_SEEK) {
         Mutex::Autolock autoLock(mLock);
         return seekTo_l(timeUs);
     }

media/libstagefright/MediaExtractor.cpp

@@ -41,7 +41,7 @@ sp<MetaData> MediaExtractor::getMetaData() {
 }
 
 uint32_t MediaExtractor::flags() const {
-    return CAN_SEEK_BACKWARD | CAN_SEEK_FORWARD | CAN_PAUSE;
+    return CAN_SEEK_BACKWARD | CAN_SEEK_FORWARD | CAN_PAUSE | CAN_SEEK;
 }
 
 // static

media/libstagefright/include/ARTSPController.h

@@ -46,6 +46,14 @@ struct ARTSPController : public MediaExtractor {
 
     void onMessageReceived(const sp<AMessage> &msg);
 
+    virtual uint32_t flags() const {
+        // Seeking 10secs forward or backward is a very expensive operation
+        // for rtsp, so let's not enable that.
+        // The user can always use the seek bar.
+
+        return CAN_PAUSE | CAN_SEEK;
+    }
+
 protected:
     virtual ~ARTSPController();