1 /* 2 * Copyright 2013, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _ANDROID_MEDIA_DRM_H_ 18 #define _ANDROID_MEDIA_DRM_H_ 19 20 #include "jni.h" 21 22 #include <media/stagefright/foundation/ABase.h> 23 #include <mediadrm/IDrm.h> 24 #include <mediadrm/IDrmClient.h> 25 #include <hidl/HidlSupport.h> 26 #include <utils/Errors.h> 27 #include <utils/RefBase.h> 28 29 namespace { 30 31 struct ListenerArgs { 32 jbyteArray jSessionId; 33 jbyteArray jData; 34 jlong jExpirationTime; 35 jobject jKeyStatusList; 36 jboolean jHasNewUsableKey; 37 }; 38 39 } 40 41 namespace android { 42 43 class DrmListener: virtual public RefBase 44 { 45 public: 46 virtual void notify(DrmPlugin::EventType eventType, int extra, 47 const ListenerArgs *args) = 0; 48 }; 49 50 struct JDrm : public IDrmClient { 51 static status_t IsCryptoSchemeSupported(const uint8_t uuid[16], 52 const String8 &mimeType, 53 DrmPlugin::SecurityLevel level, 54 bool *isSupported); 55 56 JDrm(JNIEnv *env, jobject thiz, const uint8_t uuid[16], const String8 &appPackageName); 57 58 status_t initCheck() const; getDrmJDrm59 sp<IDrm> getDrm() { return mDrm; } 60 61 void sendEvent( 62 DrmPlugin::EventType eventType, 63 const hardware::hidl_vec<uint8_t> &sessionId, 64 const hardware::hidl_vec<uint8_t> &data) override; 65 66 void sendExpirationUpdate( 67 const hardware::hidl_vec<uint8_t> &sessionId, 68 int64_t expiryTimeInMS) override; 69 70 void sendKeysChange( 71 const hardware::hidl_vec<uint8_t> &sessionId, 72 const std::vector<DrmKeyStatus> &keyStatusList, 73 bool hasNewUsableKey) override; 74 75 void sendSessionLostState( 76 const hardware::hidl_vec<uint8_t> &sessionId) override; 77 78 status_t setListener(const sp<DrmListener>& listener); 79 80 void disconnect(); 81 82 protected: 83 virtual ~JDrm(); 84 85 private: 86 jweak mObject; 87 sp<IDrm> mDrm; 88 89 sp<DrmListener> mListener; 90 Mutex mNotifyLock; 91 Mutex mLock; 92 93 static sp<IDrm> MakeDrm(); 94 static sp<IDrm> MakeDrm(const uint8_t uuid[16], const String8 &appPackageName); 95 96 void notify(DrmPlugin::EventType, int extra, const ListenerArgs *args); 97 98 DISALLOW_EVIL_CONSTRUCTORS(JDrm); 99 }; 100 101 } // namespace android 102 103 #endif // _ANDROID_MEDIA_DRM_H_ 104