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      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 };
     32 
     33 class BpMediaCodecService : public BpInterface<IMediaCodecService>
     34 {
     35 public:
     36     BpMediaCodecService(const sp<IBinder>& impl)
     37         : BpInterface<IMediaCodecService>(impl)
     38     {
     39     }
     40 
     41     virtual sp<IOMX> getOMX() {
     42         Parcel data, reply;
     43         data.writeInterfaceToken(IMediaCodecService::getInterfaceDescriptor());
     44         remote()->transact(GET_OMX, data, &reply);
     45         return interface_cast<IOMX>(reply.readStrongBinder());
     46     }
     47 
     48 };
     49 
     50 IMPLEMENT_META_INTERFACE(MediaCodecService, "android.media.IMediaCodecService");
     51 
     52 // ----------------------------------------------------------------------
     53 
     54 status_t BnMediaCodecService::onTransact(
     55     uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
     56 {
     57     switch (code) {
     58 
     59         case GET_OMX: {
     60             CHECK_INTERFACE(IMediaCodecService, data, reply);
     61             sp<IOMX> omx = getOMX();
     62             reply->writeStrongBinder(IInterface::asBinder(omx));
     63             return NO_ERROR;
     64         }
     65         default:
     66             return BBinder::onTransact(code, data, reply, flags);
     67     }
     68 }
     69 
     70 // ----------------------------------------------------------------------------
     71 
     72 } // namespace android
     73