diff --git a/include/media/mediametadataretriever.h b/include/media/mediametadataretriever.h
index 28f305d..9aa6700 100644
--- a/include/media/mediametadataretriever.h
+++ b/include/media/mediametadataretriever.h
@@ -53,6 +53,7 @@
     METADATA_KEY_VIDEO_HEIGHT    = 19,
     METADATA_KEY_BITRATE         = 20,
     METADATA_KEY_TIMED_TEXT_LANGUAGES      = 21,
+    METADATA_KEY_IS_DRM          = 22,
 
     // Add more here...
 };
diff --git a/include/media/stagefright/MediaExtractor.h b/include/media/stagefright/MediaExtractor.h
index a82106e..eb45237 100644
--- a/include/media/stagefright/MediaExtractor.h
+++ b/include/media/stagefright/MediaExtractor.h
@@ -56,7 +56,12 @@
     virtual uint32_t flags() const;
 
     // for DRM
-    virtual void setDrmFlag(bool flag) {};
+    virtual void setDrmFlag(bool flag) {
+        mIsDrm = flag;
+    };
+    virtual bool getDrmFlag() {
+        return mIsDrm;
+    }
     virtual char* getDrmTrackInfo(size_t trackID, int *len) {
         return NULL;
     }
@@ -66,6 +71,8 @@
     virtual ~MediaExtractor() {}
 
 private:
+    bool mIsDrm;
+
     MediaExtractor(const MediaExtractor &);
     MediaExtractor &operator=(const MediaExtractor &);
 };
diff --git a/media/libstagefright/MPEG4Extractor.cpp b/media/libstagefright/MPEG4Extractor.cpp
index 5582f92..73a05a5 100644
--- a/media/libstagefright/MPEG4Extractor.cpp
+++ b/media/libstagefright/MPEG4Extractor.cpp
@@ -387,10 +387,6 @@
     return mInitCheck;
 }
 
-void MPEG4Extractor::setDrmFlag(bool flag) {
-    mIsDrm = flag;
-}
-
 char* MPEG4Extractor::getDrmTrackInfo(size_t trackID, int *len) {
     if (mFirstSINF == NULL) {
         return NULL;
diff --git a/media/libstagefright/MediaExtractor.cpp b/media/libstagefright/MediaExtractor.cpp
index af0131e..a8023df 100644
--- a/media/libstagefright/MediaExtractor.cpp
+++ b/media/libstagefright/MediaExtractor.cpp
@@ -116,8 +116,13 @@
     } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC_ADTS)) {
         ret = new AACExtractor(source);
     }
-    if (ret != NULL && isDrm) {
-        ret->getMetaData()->setInt32(kKeyIsDRM, 1);
+
+    if (ret != NULL) {
+       if (isDrm) {
+           ret->setDrmFlag(true);
+       } else {
+           ret->setDrmFlag(false);
+       }
     }
 
     return ret;
diff --git a/media/libstagefright/StagefrightMediaScanner.cpp b/media/libstagefright/StagefrightMediaScanner.cpp
index f82ff32..89faff7 100644
--- a/media/libstagefright/StagefrightMediaScanner.cpp
+++ b/media/libstagefright/StagefrightMediaScanner.cpp
@@ -158,6 +158,7 @@
                 { "duration", METADATA_KEY_DURATION },
                 { "writer", METADATA_KEY_WRITER },
                 { "compilation", METADATA_KEY_COMPILATION },
+                { "isdrm", METADATA_KEY_IS_DRM },
             };
             static const size_t kNumEntries = sizeof(kKeyMap) / sizeof(kKeyMap[0]);
 
diff --git a/media/libstagefright/StagefrightMetadataRetriever.cpp b/media/libstagefright/StagefrightMetadataRetriever.cpp
index de3957b..778c0b5 100644
--- a/media/libstagefright/StagefrightMetadataRetriever.cpp
+++ b/media/libstagefright/StagefrightMetadataRetriever.cpp
@@ -530,6 +530,11 @@
             }
         }
     }
+
+    // To check whether the media file is drm-protected
+    if (mExtractor->getDrmFlag()) {
+        mMetaData.add(METADATA_KEY_IS_DRM, String8("1"));
+    }
 }
 
 }  // namespace android
diff --git a/media/libstagefright/include/MPEG4Extractor.h b/media/libstagefright/include/MPEG4Extractor.h
index 3bd4c7e..eae62c6 100644
--- a/media/libstagefright/include/MPEG4Extractor.h
+++ b/media/libstagefright/include/MPEG4Extractor.h
@@ -40,7 +40,6 @@
     virtual sp<MetaData> getMetaData();
 
     // for DRM
-    virtual void setDrmFlag(bool flag);
     virtual char* getDrmTrackInfo(size_t trackID, int *len);
 
 protected: