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Commit dcd25efb authored by Gloria Wang's avatar Gloria Wang
Browse files

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
parent 2272ee27

include/media/stagefright/DataSource.h

+8 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
#include <utils/List.h>

#include <utils/RefBase.h>

#include <utils/threads.h>

#include <drm/DrmManagerClient.h>



namespace android {
@@ -67,6 +68,13 @@ public: 
    static void RegisterSniffer(SnifferFunc func);

    static void RegisterDefaultSniffers();



    // for DRM

    virtual DecryptHandle* DrmInitialization(DrmManagerClient *client) {

        return NULL;

    }

    virtual void getDrmInfo(DecryptHandle **handle, DrmManagerClient **client) {};





protected:

    virtual ~DataSource() {}

include/media/stagefright/FileSource.h

+15 −0
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ 
#include <media/stagefright/DataSource.h>

#include <media/stagefright/MediaErrors.h>

#include <utils/threads.h>

#include <drm/DrmManagerClient.h>



namespace android {
@@ -37,15 +38,29 @@ public: 


    virtual status_t getSize(off_t *size);



    virtual DecryptHandle* DrmInitialization(DrmManagerClient *client);



    virtual void getDrmInfo(DecryptHandle **handle, DrmManagerClient **client);



protected:

    virtual ~FileSource();



private:

    FILE *mFile;

    int mFd;

    int64_t mOffset;

    int64_t mLength;

    Mutex mLock;



    /*for DRM*/

    DecryptHandle *mDecryptHandle;

    DrmManagerClient *mDrmManagerClient;

    int64_t mDrmBufOffset;

    int64_t mDrmBufSize;

    unsigned char *mDrmBuf;



    ssize_t readAtDRM(off_t offset, void *data, size_t size);



    FileSource(const FileSource &);

    FileSource &operator=(const FileSource &);

};

include/media/stagefright/MediaErrors.h

+2 −0
Original line number Diff line number Diff line
@@ -39,6 +39,8 @@ enum { 


    // Not technically an error.

    INFO_FORMAT_CHANGED    = MEDIA_ERROR_BASE - 12,



    ERROR_NO_LICENSE       = MEDIA_ERROR_BASE - 13,

};



}  // namespace android

include/media/stagefright/MediaExtractor.h

+6 −0
Original line number Diff line number Diff line
@@ -54,6 +54,12 @@ public: 
    // CAN_SEEK_BACKWARD | CAN_SEEK_FORWARD | CAN_PAUSE

    virtual uint32_t flags() const;



    // for DRM

    virtual void setDrmFlag(bool flag) {};

    virtual char* getDrmTrackInfo(size_t trackID, int *len) {

        return NULL;

    }



protected:

    MediaExtractor() {}

    virtual ~MediaExtractor() {}

include/media/stagefright/MetaData.h

+2 −0
Original line number Diff line number Diff line
@@ -50,6 +50,8 @@ enum { 
    kKeyBufferID          = 'bfID',

    kKeyMaxInputSize      = 'inpS',

    kKeyThumbnailTime     = 'thbT',  // int64_t (usecs)

    kKeyTrackID           = 'trID',

    kKeyIsDRM             = 'idrm',  // int32_t (bool)



    kKeyAlbum             = 'albu',  // cstring

    kKeyArtist            = 'arti',  // cstring