1*4d7e907cSAndroid Build Coastguard Worker# DRM HAL 2*4d7e907cSAndroid Build Coastguard Worker 3*4d7e907cSAndroid Build Coastguard WorkerThis is the underlying HAL implementation for `MediaDrm`/`MediaCrypto` (and 4*4d7e907cSAndroid Build Coastguard Workertheir NDK counterparts). 5*4d7e907cSAndroid Build Coastguard Worker 6*4d7e907cSAndroid Build Coastguard Worker## Plugin-vendor-specific VTS modules 7*4d7e907cSAndroid Build Coastguard Worker 8*4d7e907cSAndroid Build Coastguard WorkerThe interface `DrmHalVTSVendorModule_V1` is compatible with all versions of the 9*4d7e907cSAndroid Build Coastguard WorkerDRM HAL (hidl 1.0-1.4, aidl). 10*4d7e907cSAndroid Build Coastguard Worker 11*4d7e907cSAndroid Build Coastguard WorkerPlease see `./1.0/vts/doc/Drm_Vendor_Modules_v1.pdf`. 12*4d7e907cSAndroid Build Coastguard Worker 13*4d7e907cSAndroid Build Coastguard WorkerTODO(b/266091099): convert `Drm_Vendor_Modules_v1.pdf` to Markdown.