| /* |
| * Copyright (C) 2009 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. |
| */ |
| |
| #include <media/stagefright/MediaDebug.h> |
| |
| #include "StreamSource.h" |
| |
| namespace android { |
| |
| StreamSource::StreamSource(SkStream *stream) |
| : mStream(stream) { |
| CHECK(stream != NULL); |
| mSize = stream->getLength(); |
| } |
| |
| StreamSource::~StreamSource() { |
| delete mStream; |
| mStream = NULL; |
| } |
| |
| status_t StreamSource::InitCheck() const { |
| return mStream != NULL ? OK : NO_INIT; |
| } |
| |
| ssize_t StreamSource::read_at(off_t offset, void *data, size_t size) { |
| Mutex::Autolock autoLock(mLock); |
| |
| mStream->rewind(); |
| mStream->skip(offset); |
| ssize_t result = mStream->read(data, size); |
| |
| return result; |
| } |
| |
| status_t StreamSource::getSize(off_t *size) { |
| *size = mSize; |
| return OK; |
| } |
| |
| } // namespace android |