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, 17 insertions, 0 deletions

diff --git a/media/libstagefright/include/MPEG4Extractor.h b/media/libstagefright/include/MPEG4Extractor.h
index c8663d5..849bc89 100644
--- a/media/libstagefright/include/MPEG4Extractor.h
+++ b/media/libstagefright/include/MPEG4Extractor.h
@@ -38,6 +38,10 @@ public:
 
     virtual sp<MetaData> getMetaData();
 
+    // for DRM
+    virtual void setDrmFlag(bool flag);
+    virtual char* getDrmTrackInfo(size_t trackID, int *len);
+
 protected:
     virtual ~MPEG4Extractor();
 
@@ -70,6 +74,19 @@ private:
 
     static status_t verifyTrack(Track *track);
 
+    struct SINF {
+        SINF *next;
+        uint16_t trackID;
+        uint8_t IPMPDescriptorID;
+        ssize_t len;
+        char *IPMPData;
+    };
+
+    SINF *mFirstSINF;
+
+    bool mIsDrm;
+    status_t parseDrmSINF(off_t *offset, off_t data_offset);
+
     MPEG4Extractor(const MPEG4Extractor &);
     MPEG4Extractor &operator=(const MPEG4Extractor &);
 };