| /* |
| ** |
| ** Copyright 2008, The Android Open Source Project |
| ** |
| ** Licensed under the Apache License, Version 2.0 (the "License"); |
| ** you may not use this file except in compliance with the License. |
| ** You may obtain a copy of the License at |
| ** |
| ** http://www.apache.org/licenses/LICENSE-2.0 |
| ** |
| ** Unless required by applicable law or agreed to in writing, software |
| ** distributed under the License is distributed on an "AS IS" BASIS, |
| ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| ** See the License for the specific language governing permissions and |
| ** limitations under the License. |
| */ |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| |
| #include <binder/Parcel.h> |
| #include <binder/IMemory.h> |
| #include <media/ICrypto.h> |
| #include <media/IDrm.h> |
| #include <media/IHDCP.h> |
| #include <media/IMediaCodecList.h> |
| #include <media/IMediaHTTPService.h> |
| #include <media/IMediaPlayerService.h> |
| #include <media/IMediaRecorder.h> |
| #include <media/IOMX.h> |
| #include <media/IRemoteDisplay.h> |
| #include <media/IRemoteDisplayClient.h> |
| #include <media/IStreamSource.h> |
| |
| #include <utils/Errors.h> // for status_t |
| #include <utils/String8.h> |
| |
| namespace android { |
| |
| enum { |
| CREATE = IBinder::FIRST_CALL_TRANSACTION, |
| CREATE_MEDIA_RECORDER, |
| CREATE_METADATA_RETRIEVER, |
| GET_OMX, |
| MAKE_CRYPTO, |
| MAKE_DRM, |
| MAKE_HDCP, |
| ADD_BATTERY_DATA, |
| PULL_BATTERY_DATA, |
| LISTEN_FOR_REMOTE_DISPLAY, |
| GET_CODEC_LIST, |
| }; |
| |
| class BpMediaPlayerService: public BpInterface<IMediaPlayerService> |
| { |
| public: |
| BpMediaPlayerService(const sp<IBinder>& impl) |
| : BpInterface<IMediaPlayerService>(impl) |
| { |
| } |
| |
| virtual sp<IMediaMetadataRetriever> createMetadataRetriever() |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); |
| remote()->transact(CREATE_METADATA_RETRIEVER, data, &reply); |
| return interface_cast<IMediaMetadataRetriever>(reply.readStrongBinder()); |
| } |
| |
| virtual sp<IMediaPlayer> create( |
| const sp<IMediaPlayerClient>& client, int audioSessionId) { |
| Parcel data, reply; |
| data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); |
| data.writeStrongBinder(IInterface::asBinder(client)); |
| data.writeInt32(audioSessionId); |
| |
| remote()->transact(CREATE, data, &reply); |
| return interface_cast<IMediaPlayer>(reply.readStrongBinder()); |
| } |
| |
| virtual sp<IMediaRecorder> createMediaRecorder() |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); |
| remote()->transact(CREATE_MEDIA_RECORDER, data, &reply); |
| return interface_cast<IMediaRecorder>(reply.readStrongBinder()); |
| } |
| |
| virtual sp<IOMX> getOMX() { |
| Parcel data, reply; |
| data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); |
| remote()->transact(GET_OMX, data, &reply); |
| return interface_cast<IOMX>(reply.readStrongBinder()); |
| } |
| |
| virtual sp<ICrypto> makeCrypto() { |
| Parcel data, reply; |
| data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); |
| remote()->transact(MAKE_CRYPTO, data, &reply); |
| return interface_cast<ICrypto>(reply.readStrongBinder()); |
| } |
| |
| virtual sp<IDrm> makeDrm() { |
| Parcel data, reply; |
| data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); |
| remote()->transact(MAKE_DRM, data, &reply); |
| return interface_cast<IDrm>(reply.readStrongBinder()); |
| } |
| |
| virtual sp<IHDCP> makeHDCP(bool createEncryptionModule) { |
| Parcel data, reply; |
| data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); |
| data.writeInt32(createEncryptionModule); |
| remote()->transact(MAKE_HDCP, data, &reply); |
| return interface_cast<IHDCP>(reply.readStrongBinder()); |
| } |
| |
| virtual void addBatteryData(uint32_t params) { |
| Parcel data, reply; |
| data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); |
| data.writeInt32(params); |
| remote()->transact(ADD_BATTERY_DATA, data, &reply); |
| } |
| |
| virtual status_t pullBatteryData(Parcel* reply) { |
| Parcel data; |
| data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); |
| return remote()->transact(PULL_BATTERY_DATA, data, reply); |
| } |
| |
| virtual sp<IRemoteDisplay> listenForRemoteDisplay(const sp<IRemoteDisplayClient>& client, |
| const String8& iface) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); |
| data.writeStrongBinder(IInterface::asBinder(client)); |
| data.writeString8(iface); |
| remote()->transact(LISTEN_FOR_REMOTE_DISPLAY, data, &reply); |
| return interface_cast<IRemoteDisplay>(reply.readStrongBinder()); |
| } |
| |
| virtual sp<IMediaCodecList> getCodecList() const { |
| Parcel data, reply; |
| data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); |
| remote()->transact(GET_CODEC_LIST, data, &reply); |
| return interface_cast<IMediaCodecList>(reply.readStrongBinder()); |
| } |
| }; |
| |
| IMPLEMENT_META_INTERFACE(MediaPlayerService, "android.media.IMediaPlayerService"); |
| |
| // ---------------------------------------------------------------------- |
| |
| status_t BnMediaPlayerService::onTransact( |
| uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) |
| { |
| switch (code) { |
| case CREATE: { |
| CHECK_INTERFACE(IMediaPlayerService, data, reply); |
| sp<IMediaPlayerClient> client = |
| interface_cast<IMediaPlayerClient>(data.readStrongBinder()); |
| int audioSessionId = data.readInt32(); |
| sp<IMediaPlayer> player = create(client, audioSessionId); |
| reply->writeStrongBinder(IInterface::asBinder(player)); |
| return NO_ERROR; |
| } break; |
| case CREATE_MEDIA_RECORDER: { |
| CHECK_INTERFACE(IMediaPlayerService, data, reply); |
| sp<IMediaRecorder> recorder = createMediaRecorder(); |
| reply->writeStrongBinder(IInterface::asBinder(recorder)); |
| return NO_ERROR; |
| } break; |
| case CREATE_METADATA_RETRIEVER: { |
| CHECK_INTERFACE(IMediaPlayerService, data, reply); |
| sp<IMediaMetadataRetriever> retriever = createMetadataRetriever(); |
| reply->writeStrongBinder(IInterface::asBinder(retriever)); |
| return NO_ERROR; |
| } break; |
| case GET_OMX: { |
| CHECK_INTERFACE(IMediaPlayerService, data, reply); |
| sp<IOMX> omx = getOMX(); |
| reply->writeStrongBinder(IInterface::asBinder(omx)); |
| return NO_ERROR; |
| } break; |
| case MAKE_CRYPTO: { |
| CHECK_INTERFACE(IMediaPlayerService, data, reply); |
| sp<ICrypto> crypto = makeCrypto(); |
| reply->writeStrongBinder(IInterface::asBinder(crypto)); |
| return NO_ERROR; |
| } break; |
| case MAKE_DRM: { |
| CHECK_INTERFACE(IMediaPlayerService, data, reply); |
| sp<IDrm> drm = makeDrm(); |
| reply->writeStrongBinder(IInterface::asBinder(drm)); |
| return NO_ERROR; |
| } break; |
| case MAKE_HDCP: { |
| CHECK_INTERFACE(IMediaPlayerService, data, reply); |
| bool createEncryptionModule = data.readInt32(); |
| sp<IHDCP> hdcp = makeHDCP(createEncryptionModule); |
| reply->writeStrongBinder(IInterface::asBinder(hdcp)); |
| return NO_ERROR; |
| } break; |
| case ADD_BATTERY_DATA: { |
| CHECK_INTERFACE(IMediaPlayerService, data, reply); |
| uint32_t params = data.readInt32(); |
| addBatteryData(params); |
| return NO_ERROR; |
| } break; |
| case PULL_BATTERY_DATA: { |
| CHECK_INTERFACE(IMediaPlayerService, data, reply); |
| pullBatteryData(reply); |
| return NO_ERROR; |
| } break; |
| case LISTEN_FOR_REMOTE_DISPLAY: { |
| CHECK_INTERFACE(IMediaPlayerService, data, reply); |
| sp<IRemoteDisplayClient> client( |
| interface_cast<IRemoteDisplayClient>(data.readStrongBinder())); |
| String8 iface(data.readString8()); |
| sp<IRemoteDisplay> display(listenForRemoteDisplay(client, iface)); |
| reply->writeStrongBinder(IInterface::asBinder(display)); |
| return NO_ERROR; |
| } break; |
| case GET_CODEC_LIST: { |
| CHECK_INTERFACE(IMediaPlayerService, data, reply); |
| sp<IMediaCodecList> mcl = getCodecList(); |
| reply->writeStrongBinder(IInterface::asBinder(mcl)); |
| return NO_ERROR; |
| } break; |
| default: |
| return BBinder::onTransact(code, data, reply, flags); |
| } |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| } // namespace android |