commit 9575c96b6e418914e2ffc6741ecc8d71e3968dbe
author Andreas Huber <andih@google.com> Tue Feb 05 13:59:56 2013 -0800
committer Andreas Huber <andih@google.com> Tue Feb 05 14:09:08 2013 -0800
tree 1fafdf4d3150799cf9a4266919bf069b7f007c91
parent 84ca0414fedea2dfe51607b422f6227e1c4f0d7f

Support for a "preparation" state that can take care of lengthy

operations in NuPlayer and its sources. Sources also can publish their
flags now and the mediaplayer UI will be able to pick up on these.

Change-Id: I4f2b7e5d105dcb4b6c9132cd0e8799efa0c6a14b

media/libmediaplayerservice/nuplayer/NuPlayerSource.h

diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
index a3201cf..53c7c12 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
@@ -25,11 +25,21 @@
 namespace android {
 
 struct ABuffer;
+struct MetaData;
 
 struct NuPlayer::Source : public AHandler {
     enum Flags {
-        FLAG_SEEKABLE           = 1,
-        FLAG_DYNAMIC_DURATION   = 2,
+        FLAG_CAN_PAUSE          = 1,
+        FLAG_CAN_SEEK_BACKWARD  = 2,  // the "10 sec back button"
+        FLAG_CAN_SEEK_FORWARD   = 4,  // the "10 sec forward button"
+        FLAG_CAN_SEEK           = 8,  // the "seek bar"
+        FLAG_DYNAMIC_DURATION   = 16,
+    };
+
+    enum {
+        kWhatPrepared,
+        kWhatFlagsChanged,
+        kWhatVideoSizeChanged,
     };
 
     // The provides message is used to notify the player about various
@@ -38,6 +48,8 @@
         : mNotify(notify) {
     }
 
+    virtual void prepareAsync() = 0;
+
     virtual void start() = 0;
     virtual void stop() {}
 
@@ -58,8 +70,6 @@
         return INVALID_OPERATION;
     }
 
-    virtual uint32_t flags() const = 0;
-
 protected:
     virtual ~Source() {}
 
@@ -69,6 +79,10 @@
 
     sp<AMessage> dupNotify() const { return mNotify->dup(); }
 
+    void notifyFlagsChanged(uint32_t flags);
+    void notifyVideoSizeChanged(int32_t width, int32_t height);
+    void notifyPrepared();
+
 private:
     sp<AMessage> mNotify;