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      1 /*
      2  * Copyright (C) 2018 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 CLEARKEY_ANDROID_HARDWARE_DRM_V1_1_TYPECONVERT
     18 #define CLEARKEY_ANDROID_HARDWARE_DRM_V1_1_TYPECONVERT
     19 
     20 #include <vector>
     21 
     22 #include <android/hardware/drm/1.0/types.h>
     23 
     24 namespace android {
     25 namespace hardware {
     26 namespace drm {
     27 namespace V1_2 {
     28 namespace clearkey {
     29 
     30 using ::android::hardware::hidl_array;
     31 using ::android::hardware::hidl_vec;
     32 
     33 template<typename T> const hidl_vec<T> toHidlVec(const std::vector<T> &vec) {
     34     hidl_vec<T> hVec;
     35     hVec.setToExternal(const_cast<T *>(vec.data()), vec.size());
     36     return hVec;
     37 }
     38 
     39 template<typename T> hidl_vec<T> toHidlVec(std::vector<T> &vec) {
     40     hidl_vec<T> hVec;
     41     hVec.setToExternal(vec.data(), vec.size());
     42     return hVec;
     43 }
     44 
     45 template<typename T> const std::vector<T> toVector(const hidl_vec<T> &hVec) {
     46     std::vector<T> vec;
     47     vec.assign(hVec.data(), hVec.data() + hVec.size());
     48     return *const_cast<const std::vector<T> *>(&vec);
     49 }
     50 
     51 template<typename T> std::vector<T> toVector(hidl_vec<T> &hVec) {
     52     std::vector<T> vec;
     53     vec.assign(hVec.data(), hVec.data() + hVec.size());
     54     return vec;
     55 }
     56 
     57 template<typename T, size_t SIZE> const std::vector<T> toVector(
     58         const hidl_array<T, SIZE> &hArray) {
     59     std::vector<T> vec;
     60     vec.assign(hArray.data(), hArray.data() + hArray.size());
     61     return vec;
     62 }
     63 
     64 template<typename T, size_t SIZE> std::vector<T> toVector(
     65         hidl_array<T, SIZE> &hArray) {
     66     std::vector<T> vec;
     67     vec.assign(hArray.data(), hArray.data() + hArray.size());
     68     return vec;
     69 }
     70 
     71 inline Status toStatus_1_0(Status_V1_2 status) {
     72   switch (status) {
     73     case Status_V1_2::ERROR_DRM_INSUFFICIENT_SECURITY:
     74     case Status_V1_2::ERROR_DRM_FRAME_TOO_LARGE:
     75     case Status_V1_2::ERROR_DRM_SESSION_LOST_STATE:
     76       return Status::ERROR_DRM_UNKNOWN;
     77     default:
     78       return static_cast<Status>(status);
     79   }
     80 }
     81 
     82 }  // namespace clearkey
     83 }  // namespace V1_2
     84 }  // namespace drm
     85 }  // namespace hardware
     86 }  // namespace android
     87 
     88 #endif // CLEARKEY_ANDROID_HARDWARE_DRM_V1_1_TYPECONVERT
     89