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71 lines
2.2 KiB
71 lines
2.2 KiB
/*
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* Copyright 2016, The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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//#define LOG_NDEBUG 0
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#define LOG_TAG "BufferImpl"
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#include <utils/Log.h>
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#include <binder/IMemory.h>
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#include <media/stagefright/foundation/ABuffer.h>
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#include <media/stagefright/foundation/AMessage.h>
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#include <mediadrm/ICrypto.h>
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#include <utils/NativeHandle.h>
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#include "include/SecureBuffer.h"
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#include "include/SharedMemoryBuffer.h"
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namespace android {
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// SharedMemoryBuffer
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SharedMemoryBuffer::SharedMemoryBuffer(const sp<AMessage> &format, const sp<IMemory> &mem)
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// TODO: Using unsecurePointer() has some associated security pitfalls
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// (see declaration for details).
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// Either document why it is safe in this case or address the
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// issue (e.g. by copying).
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: MediaCodecBuffer(format, new ABuffer(mem->unsecurePointer(), mem->size())),
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mMemory(mem) {
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}
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SharedMemoryBuffer::SharedMemoryBuffer(const sp<AMessage> &format, const sp<TMemory> &mem)
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: MediaCodecBuffer(format, new ABuffer(mem->getPointer(), mem->getSize())),
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mTMemory(mem) {
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}
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// SecureBuffer
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SecureBuffer::SecureBuffer(const sp<AMessage> &format, const void *ptr, size_t size)
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: MediaCodecBuffer(format, new ABuffer(nullptr, size)),
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mPointer(ptr) {
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}
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SecureBuffer::SecureBuffer(
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const sp<AMessage> &format, const sp<NativeHandle> &handle, size_t size)
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: MediaCodecBuffer(format, new ABuffer(nullptr, size)),
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mPointer(nullptr),
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mHandle(handle) {
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}
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void *SecureBuffer::getDestinationPointer() {
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return (void *)(mHandle == nullptr ? mPointer : mHandle->handle());
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}
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ICrypto::DestinationType SecureBuffer::getDestinationType() {
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return ICrypto::kDestinationTypeNativeHandle;
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}
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} // namespace android
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