1 /* 2 * Copyright 2016, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 //#define LOG_NDEBUG 0 18 #define LOG_TAG "BufferImpl" 19 #include <utils/Log.h> 20 21 #include <binder/IMemory.h> 22 #include <media/stagefright/foundation/ABuffer.h> 23 #include <media/stagefright/foundation/AMessage.h> 24 #include <media/ICrypto.h> 25 #include <utils/NativeHandle.h> 26 27 #include "include/SecureBuffer.h" 28 #include "include/SharedMemoryBuffer.h" 29 30 namespace android { 31 32 // SharedMemoryBuffer 33 34 SharedMemoryBuffer::SharedMemoryBuffer(const sp<AMessage> &format, const sp<IMemory> &mem) 35 : MediaCodecBuffer(format, new ABuffer(mem->pointer(), mem->size())), 36 mMemory(mem) { 37 } 38 39 SharedMemoryBuffer::SharedMemoryBuffer(const sp<AMessage> &format, const sp<TMemory> &mem) 40 : MediaCodecBuffer(format, new ABuffer(mem->getPointer(), mem->getSize())), 41 mTMemory(mem) { 42 } 43 44 // SecureBuffer 45 46 SecureBuffer::SecureBuffer(const sp<AMessage> &format, const void *ptr, size_t size) 47 : MediaCodecBuffer(format, new ABuffer(nullptr, size)), 48 mPointer(ptr) { 49 } 50 51 SecureBuffer::SecureBuffer( 52 const sp<AMessage> &format, const sp<NativeHandle> &handle, size_t size) 53 : MediaCodecBuffer(format, new ABuffer(nullptr, size)), 54 mPointer(nullptr), 55 mHandle(handle) { 56 } 57 58 void *SecureBuffer::getDestinationPointer() { 59 return (void *)(mHandle == nullptr ? mPointer : mHandle->handle()); 60 } 61 62 ICrypto::DestinationType SecureBuffer::getDestinationType() { 63 return ICrypto::kDestinationTypeNativeHandle; 64 } 65 66 } // namespace android 67