stagefright: initial timed id3 support in hls

Change-Id: I00a8a786b3f4b74742c34770edd94e937abe20a8
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
index db73784..1bd4e57 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
@@ -1859,6 +1859,17 @@
             break;
         }
 
+        case Source::kWhatTimedMetaData:
+        {
+            sp<ABuffer> buffer;
+            if (!msg->findBuffer("buffer", &buffer)) {
+                notifyListener(MEDIA_INFO, MEDIA_INFO_METADATA_UPDATE, 0);
+            } else {
+                sendTimedMetaData(buffer);
+            }
+            break;
+        }
+
         case Source::kWhatTimedTextData:
         {
             int32_t generation;
@@ -1967,6 +1978,19 @@
     notifyListener(MEDIA_SUBTITLE_DATA, 0, 0, &in);
 }
 
+void NuPlayer::sendTimedMetaData(const sp<ABuffer> &buffer) {
+    int64_t timeUs;
+    CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
+
+    Parcel in;
+    in.writeInt64(timeUs);
+    in.writeInt32(buffer->size());
+    in.writeInt32(buffer->size());
+    in.write(buffer->data(), buffer->size());
+
+    notifyListener(MEDIA_META_DATA, 0, 0, &in);
+}
+
 void NuPlayer::sendTimedTextData(const sp<ABuffer> &buffer) {
     const void *data;
     size_t size = 0;