Henry Fang | 9bed3dc | 2019-10-11 17:30:15 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2019 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 | //#define LOG_NDEBUG 0 |
| 18 | #define LOG_TAG "android.hardware.cas@1.1-MediaCasService" |
| 19 | |
| 20 | #include <android/hardware/cas/1.1/ICasListener.h> |
| 21 | #include <android/hardware/cas/1.2/ICasListener.h> |
| 22 | #include <media/cas/CasAPI.h> |
| 23 | #include <media/cas/DescramblerAPI.h> |
| 24 | #include <utils/Log.h> |
| 25 | |
| 26 | #include "CasImpl.h" |
| 27 | #include "DescramblerImpl.h" |
| 28 | #include "MediaCasService.h" |
| 29 | |
| 30 | namespace android { |
| 31 | namespace hardware { |
| 32 | namespace cas { |
| 33 | namespace V1_1 { |
| 34 | namespace implementation { |
| 35 | |
| 36 | class Wrapper : public V1_1::ICasListener { |
| 37 | public: |
| 38 | static sp<V1_1::ICasListener> wrap(sp<V1_0::ICasListener> impl) { |
| 39 | sp<V1_1::ICasListener> cast = V1_1::ICasListener::castFrom(impl); |
| 40 | if (cast == NULL) { |
| 41 | cast = new Wrapper(impl); |
| 42 | } |
| 43 | return cast; |
| 44 | } |
| 45 | |
| 46 | virtual Return<void> onEvent(int32_t event, int32_t arg, |
| 47 | const hidl_vec<uint8_t>& data) override { |
| 48 | mImpl->onEvent(event, arg, data); |
| 49 | return Void(); |
| 50 | } |
| 51 | |
| 52 | virtual Return<void> onSessionEvent(const hidl_vec<uint8_t>& /* sessionId */, |
| 53 | int32_t /* event */, int32_t /* arg */, |
| 54 | const hidl_vec<uint8_t>& /*data*/) override { |
| 55 | ALOGV("Do nothing on Session Event for cas@1.0 client in cas@1.1"); |
| 56 | return Void(); |
| 57 | } |
| 58 | |
| 59 | private: |
| 60 | Wrapper(sp<V1_0::ICasListener> impl) : mImpl(impl){}; |
| 61 | sp<V1_0::ICasListener> mImpl; |
| 62 | }; |
| 63 | |
| 64 | MediaCasService::MediaCasService() |
| 65 | : mCasLoader("createCasFactory"), mDescramblerLoader("createDescramblerFactory") {} |
| 66 | |
| 67 | MediaCasService::~MediaCasService() {} |
| 68 | |
| 69 | Return<void> MediaCasService::enumeratePlugins(enumeratePlugins_cb _hidl_cb) { |
| 70 | ALOGV("%s", __FUNCTION__); |
| 71 | |
| 72 | vector<HidlCasPluginDescriptor> results; |
| 73 | mCasLoader.enumeratePlugins(&results); |
| 74 | |
| 75 | _hidl_cb(results); |
| 76 | return Void(); |
| 77 | } |
| 78 | |
| 79 | Return<bool> MediaCasService::isSystemIdSupported(int32_t CA_system_id) { |
| 80 | ALOGV("isSystemIdSupported: CA_system_id=%d", CA_system_id); |
| 81 | |
| 82 | return mCasLoader.findFactoryForScheme(CA_system_id); |
| 83 | } |
| 84 | |
| 85 | Return<sp<V1_0::ICas>> MediaCasService::createPlugin(int32_t CA_system_id, |
| 86 | const sp<V1_0::ICasListener>& listener) { |
| 87 | ALOGV("%s:Use createPluginExt to create plugin in cas@1.1", __FUNCTION__); |
| 88 | |
| 89 | sp<ICas> result; |
| 90 | |
| 91 | sp<V1_1::ICasListener> listenerV1_1 = Wrapper::wrap(listener); |
| 92 | |
| 93 | result = createPluginExt(CA_system_id, listenerV1_1); |
| 94 | |
| 95 | return result; |
| 96 | } |
| 97 | |
| 98 | Return<sp<ICas>> MediaCasService::createPluginExt(int32_t CA_system_id, |
| 99 | const sp<ICasListener>& listener) { |
| 100 | ALOGV("%s: CA_system_id=%d", __FUNCTION__, CA_system_id); |
| 101 | if (listener == NULL) ALOGV("%s: Listener is NULL", __FUNCTION__); |
| 102 | |
| 103 | sp<V1_2::ICas> result; |
| 104 | |
| 105 | CasFactory* factory; |
| 106 | sp<SharedLibrary> library; |
| 107 | if (mCasLoader.findFactoryForScheme(CA_system_id, &library, &factory)) { |
| 108 | CasPlugin* plugin = NULL; |
| 109 | sp<CasImpl> casImpl = new CasImpl(listener); |
| 110 | if (factory->createPlugin(CA_system_id, casImpl.get(), &CasImpl::CallBackExt, &plugin) == |
| 111 | OK && |
| 112 | plugin != NULL) { |
| 113 | casImpl->init(library, plugin); |
| 114 | result = casImpl; |
| 115 | |
| 116 | sp<V1_2::ICasListener> listenerV1_2 = V1_2::ICasListener::castFrom(listener); |
| 117 | if (listenerV1_2 != NULL) { |
| 118 | casImpl->setPluginStatusUpdateCallback(); |
| 119 | } |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | return result; |
| 124 | } |
| 125 | |
| 126 | Return<bool> MediaCasService::isDescramblerSupported(int32_t CA_system_id) { |
| 127 | ALOGV("%s: CA_system_id=%d", __FUNCTION__, CA_system_id); |
| 128 | |
| 129 | return mDescramblerLoader.findFactoryForScheme(CA_system_id); |
| 130 | } |
| 131 | |
| 132 | Return<sp<IDescramblerBase>> MediaCasService::createDescrambler(int32_t CA_system_id) { |
| 133 | ALOGV("%s: CA_system_id=%d", __FUNCTION__, CA_system_id); |
| 134 | |
| 135 | sp<IDescrambler> result; |
| 136 | |
| 137 | DescramblerFactory* factory; |
| 138 | sp<SharedLibrary> library; |
| 139 | if (mDescramblerLoader.findFactoryForScheme(CA_system_id, &library, &factory)) { |
| 140 | DescramblerPlugin* plugin = NULL; |
| 141 | if (factory->createPlugin(CA_system_id, &plugin) == OK && plugin != NULL) { |
| 142 | result = new DescramblerImpl(library, plugin); |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | return result; |
| 147 | } |
| 148 | |
| 149 | } // namespace implementation |
| 150 | } // namespace V1_1 |
| 151 | } // namespace cas |
| 152 | } // namespace hardware |
| 153 | } // namespace android |