1 /* 2 ** 3 ** Copyright 2015, The Android Open Source Project 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 18 #define LOG_TAG "IMediaCodecService" 19 //#define LOG_NDEBUG 0 20 21 #include <utils/Log.h> 22 #include <stdint.h> 23 #include <sys/types.h> 24 #include <binder/Parcel.h> 25 #include <media/IMediaCodecService.h> 26 27 namespace android { 28 29 enum { 30 GET_OMX = IBinder::FIRST_CALL_TRANSACTION, 31 GET_OMX_STORE 32 }; 33 34 class BpMediaCodecService : public BpInterface<IMediaCodecService> 35 { 36 public: 37 explicit BpMediaCodecService(const sp<IBinder>& impl) 38 : BpInterface<IMediaCodecService>(impl) 39 { 40 } 41 42 virtual sp<IOMX> getOMX() { 43 Parcel data, reply; 44 data.writeInterfaceToken(IMediaCodecService::getInterfaceDescriptor()); 45 remote()->transact(GET_OMX, data, &reply); 46 return interface_cast<IOMX>(reply.readStrongBinder()); 47 } 48 49 virtual sp<IOMXStore> getOMXStore() { 50 Parcel data, reply; 51 data.writeInterfaceToken(IMediaCodecService::getInterfaceDescriptor()); 52 remote()->transact(GET_OMX_STORE, data, &reply); 53 return interface_cast<IOMXStore>(reply.readStrongBinder()); 54 } 55 56 }; 57 58 IMPLEMENT_META_INTERFACE(MediaCodecService, "android.media.IMediaCodecService"); 59 60 // ---------------------------------------------------------------------- 61 62 status_t BnMediaCodecService::onTransact( 63 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) 64 { 65 switch (code) { 66 67 case GET_OMX: { 68 CHECK_INTERFACE(IMediaCodecService, data, reply); 69 sp<IOMX> omx = getOMX(); 70 reply->writeStrongBinder(IInterface::asBinder(omx)); 71 return NO_ERROR; 72 } 73 case GET_OMX_STORE: { 74 CHECK_INTERFACE(IMediaCodecService, data, reply); 75 sp<IOMXStore> omxStore = getOMXStore(); 76 reply->writeStrongBinder(IInterface::asBinder(omxStore)); 77 return NO_ERROR; 78 } 79 default: 80 return BBinder::onTransact(code, data, reply, flags); 81 } 82 } 83 84 // ---------------------------------------------------------------------------- 85 86 } // namespace android 87