From 8ddeebb93cb41e7a8e9fe763afb6c6016b21fa61 Mon Sep 17 00:00:00 2001
From: Glenn Kasten <gkasten@google.com>
Date: Mon, 21 Feb 2011 09:37:13 -0800
Subject: Bug 3447027 Limit previews for DRM video

Change-Id: I5b15cf6a15623cf73f007c59143ab5e3fa5a07e8
---
 media/libstagefright/StagefrightMetadataRetriever.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'media/libstagefright/StagefrightMetadataRetriever.cpp')

diff --git a/media/libstagefright/StagefrightMetadataRetriever.cpp b/media/libstagefright/StagefrightMetadataRetriever.cpp
index 600de7c..ea3b801 100644
--- a/media/libstagefright/StagefrightMetadataRetriever.cpp
+++ b/media/libstagefright/StagefrightMetadataRetriever.cpp
@@ -272,6 +272,12 @@ VideoFrame *StagefrightMetadataRetriever::getFrameAtTime(
         return NULL;
     }
 
+    int32_t drm = 0;
+    if (mExtractor->getMetaData()->findInt32(kKeyIsDRM, &drm) && drm != 0) {
+        LOGE("frame grab not allowed.");
+        return NULL;
+    }
+
     size_t n = mExtractor->countTracks();
     size_t i;
     for (i = 0; i < n; ++i) {
-- 
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