| /* |
| * Copyright 2016 Google Inc. All Rights Reserved. |
| * |
| * 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 "cobalt/media/sandbox/in_memory_data_source.h" |
| |
| namespace cobalt { |
| namespace media { |
| namespace sandbox { |
| |
| InMemoryDataSource::InMemoryDataSource(const std::vector<uint8>& content) |
| : content_(content) {} |
| |
| void InMemoryDataSource::Read(int64 position, int size, uint8* data, |
| const ReadCB& read_cb) { |
| DCHECK(data); |
| |
| if (position < 0 || size < 0) { |
| read_cb.Run(kInvalidSize); |
| return; |
| } |
| |
| uint64 uint64_position = static_cast<uint64>(position); |
| |
| if (uint64_position > content_.size() || |
| uint64_position + size > content_.size()) { |
| read_cb.Run(kInvalidSize); |
| return; |
| } |
| |
| if (size == 0) { |
| read_cb.Run(0); |
| return; |
| } |
| |
| memcpy(data, &content_[0] + position, size); |
| read_cb.Run(size); |
| } |
| |
| void InMemoryDataSource::Stop(const base::Closure& callback) { callback.Run(); } |
| |
| bool InMemoryDataSource::GetSize(int64* size_out) { |
| DCHECK(size_out); |
| *size_out = content_.size(); |
| return true; |
| } |
| |
| } // namespace sandbox |
| } // namespace media |
| } // namespace cobalt |