1b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen/* 2b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen** 3b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen** Copyright 2007, The Android Open Source Project 4b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen** 5b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen** Licensed under the Apache License, Version 2.0 (the "License"); 6b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen** you may not use this file except in compliance with the License. 7b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen** You may obtain a copy of the License at 8b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen** 9b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen** http://www.apache.org/licenses/LICENSE-2.0 10b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen** 11b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen** Unless required by applicable law or agreed to in writing, software 12b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen** distributed under the License is distributed on an "AS IS" BASIS, 13b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen** See the License for the specific language governing permissions and 15b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen** limitations under the License. 16b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen*/ 17b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen 18b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen#define LOG_TAG "IMediaExtractorService" 19b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen//#define LOG_NDEBUG 0 20b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen 21b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen#include <utils/Log.h> 22b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen#include <stdint.h> 23b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen#include <sys/types.h> 24b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen#include <binder/Parcel.h> 25b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen#include <media/IMediaExtractorService.h> 26d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung#include <media/stagefright/MediaExtractor.h> 27b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen 28b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissennamespace android { 29b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen 30b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissenenum { 31d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung MAKE_EXTRACTOR = IBinder::FIRST_CALL_TRANSACTION, 32d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung MAKE_IDATA_SOURCE_FD, 33b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen}; 34b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen 35b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissenclass BpMediaExtractorService : public BpInterface<IMediaExtractorService> 36b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen{ 37b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissenpublic: 3864a2870d8515fd914638c60803db86dbd92f5b06Chih-Hung Hsieh explicit BpMediaExtractorService(const sp<IBinder>& impl) 39b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen : BpInterface<IMediaExtractorService>(impl) 40b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen { 41b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen } 42b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen 43b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen virtual sp<IMediaExtractor> makeExtractor(const sp<IDataSource> &source, const char *mime) { 44b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen Parcel data, reply; 45b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen data.writeInterfaceToken(IMediaExtractorService::getInterfaceDescriptor()); 46b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen data.writeStrongBinder(IInterface::asBinder(source)); 47b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen if (mime != NULL) { 48b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen data.writeCString(mime); 49b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen } 50b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen status_t ret = remote()->transact(MAKE_EXTRACTOR, data, &reply); 51b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen if (ret == NO_ERROR) { 52b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen return interface_cast<IMediaExtractor>(reply.readStrongBinder()); 53b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen } 54b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen return NULL; 55b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen } 56b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen 57d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung virtual sp<IDataSource> makeIDataSource(int fd, int64_t offset, int64_t length) 58d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung { 59d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung Parcel data, reply; 60d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung data.writeInterfaceToken(IMediaExtractorService::getInterfaceDescriptor()); 61d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung data.writeFileDescriptor(fd); 62d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung data.writeInt64(offset); 63d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung data.writeInt64(length); 64d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung status_t ret = remote()->transact(MAKE_IDATA_SOURCE_FD, data, &reply); 65d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung ALOGV("fd:%d offset:%lld length:%lld ret:%d", 66d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung fd, (long long)offset, (long long)length, ret); 67d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung if (ret == NO_ERROR) { 68d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung return interface_cast<IDataSource>(reply.readStrongBinder()); 69d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung } 70d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung return nullptr; 71d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung } 72b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen}; 73b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen 74b2487f03f12dcafdb801fc0007c8df8412397f44Marco NelissenIMPLEMENT_META_INTERFACE(MediaExtractorService, "android.media.IMediaExtractorService"); 75b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen 76b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen// ---------------------------------------------------------------------- 77b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen 78b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissenstatus_t BnMediaExtractorService::onTransact( 79b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) 80b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen{ 81b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen switch (code) { 82b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen 83b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen case MAKE_EXTRACTOR: { 84b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen CHECK_INTERFACE(IMediaExtractorService, data, reply); 85c22c00c82fa37e2c567c1d4976c133bbd46831a0Marco Nelissen sp<IBinder> b; 86c22c00c82fa37e2c567c1d4976c133bbd46831a0Marco Nelissen status_t ret = data.readStrongBinder(&b); 87c22c00c82fa37e2c567c1d4976c133bbd46831a0Marco Nelissen if (ret != NO_ERROR || b == NULL) { 88c22c00c82fa37e2c567c1d4976c133bbd46831a0Marco Nelissen ALOGE("Error reading source from parcel"); 89c22c00c82fa37e2c567c1d4976c133bbd46831a0Marco Nelissen return ret; 90c22c00c82fa37e2c567c1d4976c133bbd46831a0Marco Nelissen } 914c3d1ee7415116f43c71e33ce1b2b2d72a311922Andy Hung // If we make an extractor through Binder, enabled shared memory 924c3d1ee7415116f43c71e33ce1b2b2d72a311922Andy Hung // for MediaBuffers for this process. 934c3d1ee7415116f43c71e33ce1b2b2d72a311922Andy Hung MediaBuffer::useSharedMemory(); 94c22c00c82fa37e2c567c1d4976c133bbd46831a0Marco Nelissen sp<IDataSource> source = interface_cast<IDataSource>(b); 95b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen const char *mime = data.readCString(); 96b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen sp<IMediaExtractor> ex = makeExtractor(source, mime); 97b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen reply->writeStrongBinder(IInterface::asBinder(ex)); 98b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen return NO_ERROR; 99b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen } 100d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung 101d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung case MAKE_IDATA_SOURCE_FD: { 102d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung CHECK_INTERFACE(IMediaExtractorService, data, reply); 103d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung const int fd = dup(data.readFileDescriptor()); // -1 fd checked in makeIDataSource 104d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung const int64_t offset = data.readInt64(); 105d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung const int64_t length = data.readInt64(); 106d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung ALOGV("fd %d offset%lld length:%lld", fd, (long long)offset, (long long)length); 107d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung sp<IDataSource> source = makeIDataSource(fd, offset, length); 108d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung reply->writeStrongBinder(IInterface::asBinder(source)); 109d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung // The FileSource closes the descriptor, so if it is not created 110d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung // we need to close the descriptor explicitly. 111d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung if (source.get() == nullptr && fd != -1) { 112d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung close(fd); 113d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung } 114d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung return NO_ERROR; 115d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung } 116d49dbd6b625cddb82f3f7bbeac62d48ef338ef0fAndy Hung 117b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen default: 118b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen return BBinder::onTransact(code, data, reply, flags); 119b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen } 120b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen} 121b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen 122b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen// ---------------------------------------------------------------------------- 123b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen 124b2487f03f12dcafdb801fc0007c8df8412397f44Marco Nelissen} // namespace android 125