/* ** ** Copyright 2007, 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. */ #define LOG_TAG "IMediaExtractorService" //#define LOG_NDEBUG 0 #include <utils/Log.h> #include <stdint.h> #include <sys/types.h> #include <binder/Parcel.h> #include <media/IMediaExtractorService.h> namespace android { enum { MAKE_EXTRACTOR = IBinder::FIRST_CALL_TRANSACTION }; class BpMediaExtractorService : public BpInterface<IMediaExtractorService> { public: BpMediaExtractorService(const sp<IBinder>& impl) : BpInterface<IMediaExtractorService>(impl) { } virtual sp<IMediaExtractor> makeExtractor(const sp<IDataSource> &source, const char *mime) { Parcel data, reply; data.writeInterfaceToken(IMediaExtractorService::getInterfaceDescriptor()); data.writeStrongBinder(IInterface::asBinder(source)); if (mime != NULL) { data.writeCString(mime); } status_t ret = remote()->transact(MAKE_EXTRACTOR, data, &reply); if (ret == NO_ERROR) { return interface_cast<IMediaExtractor>(reply.readStrongBinder()); } return NULL; } }; IMPLEMENT_META_INTERFACE(MediaExtractorService, "android.media.IMediaExtractorService"); // ---------------------------------------------------------------------- status_t BnMediaExtractorService::onTransact( uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) { switch (code) { case MAKE_EXTRACTOR: { CHECK_INTERFACE(IMediaExtractorService, data, reply); sp<IBinder> b; status_t ret = data.readStrongBinder(&b); if (ret != NO_ERROR || b == NULL) { ALOGE("Error reading source from parcel"); return ret; } sp<IDataSource> source = interface_cast<IDataSource>(b); const char *mime = data.readCString(); sp<IMediaExtractor> ex = makeExtractor(source, mime); reply->writeStrongBinder(IInterface::asBinder(ex)); return NO_ERROR; } default: return BBinder::onTransact(code, data, reply, flags); } } // ---------------------------------------------------------------------------- } // namespace android