Android Developers_DRM

1.developer.android.com

1.1 android.media.MediaDrm

https://developer.android.com/reference/android/media/MediaDrm.html

1.2 android.drm

https://developer.android.com/reference/android/drm/package-summary.html

1.3 

https://source.android.com/devices/drm

DRM architecture

2.www.widevine.com

http://www.widevine.com/getting_started.html

http://w3c.github.io/encrypted-media/

ISO_IEC 23001-7_2012

3.android.googlesource.com

DownloadManager API

https://android.googlesource.com/platform/packages/providers/DownloadProvider/+/master/src/com/android/providers/downloads/DownloadDrmHelper.java

Media API

media/java/android/media

DRM Framework API

drm/java/android/drm/DrmManagerClient.java

drm/java/android/drm/DrmOutputStream.java

drm/jni/android_drm_DrmManagerClient.cpp

DRM Manager

drm/drmserver/main_drmserver.cpp

include/drm/DrmManagerClient.h

drm/libdrmframework/DrmManagerClient.cpp

drm/libdrmframework/include/DrmManagerClientImpl.h

drm/libdrmframework/DrmManagerClientImpl.cpp

drm/libdrmframework/include/DrmManagerService.h

drm/drmserver/DrmManagerService.cpp

drm/libdrmframework/include/IDrmManagerService.h

drm/common/IDrmManagerService.cpp

drm/libdrmframework/include/DrmManager.h  TPlugInManager mPlugInManager

drm/drmserver/DrmManager.cpp

drm/libdrmframework/plugins/common/include/DrmEngineBase.h

drm/common/DrmEngineBase.cpp

drm/libdrmframework/plugins/common/include/IDrmEngine.h

include/media/stagefright/FileSource.h

media/libstagefright/FileSource.cpp

include/media/stagefright/MediaExtractor.h

media/libstagefright/MediaExtractor.cpp

media/libstagefright/include/DRMExtractor.h

media/libstagefright/DRMExtractor.cpp

media/libstagefright/include/WVMExtractor.h

media/libstagefright/WVMExtractor.cpp

drm/libdrmframework/include/PlugInManager.h

其他文章

DRM in Android - 胡家庄 - 博客频道 - CSDN.NET

DRM in Android - Innost的专栏 - 博客频道 - CSDN.NET