DRM framework support:

- add a sniffer for DRM files
- add DRMSource and DRMExtractor for es_based DRM
- add pread in FileSource.cpp for container_based DRM
- add native DRM framework API calls in the player for
  DRM audio/video playback

Change-Id: I4b9ef19165c9b4f44ff40eeededb9a665e78a90f

1 files changed, 59 insertions, 0 deletions

diff --git a/media/libstagefright/include/DRMExtractor.h b/media/libstagefright/include/DRMExtractor.h
new file mode 100644
index 0000000..01e226e
--- /dev/null
+++ b/media/libstagefright/include/DRMExtractor.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef DRM_EXTRACTOR_H_
+
+#define DRM_EXTRACTOR_H_
+
+#include <media/stagefright/MediaExtractor.h>
+#include <drm/DrmManagerClient.h>
+
+namespace android {
+
+class DataSource;
+class SampleTable;
+class String8;
+class DecryptHandle;
+
+class DRMExtractor : public MediaExtractor {
+public:
+    DRMExtractor(const sp<DataSource> &source, const char *mime);
+
+    virtual size_t countTracks();
+    virtual sp<MediaSource> getTrack(size_t index);
+    virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags);
+    virtual sp<MetaData> getMetaData();
+
+protected:
+    virtual ~DRMExtractor();
+
+private:
+    sp<DataSource> mDataSource;
+
+    sp<MediaExtractor> mOriginalExtractor;
+    DecryptHandle* mDecryptHandle;
+
+    DRMExtractor(const DRMExtractor &);
+    DRMExtractor &operator=(const DRMExtractor &);
+};
+
+bool SniffDRM(
+        const sp<DataSource> &source, String8 *mimeType, float *confidence);
+
+}  // namespace android
+
+#endif  // DRM_EXTRACTOR_H_
+