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71 lines
2.3 KiB
C++

/*
* Copyright (C) 2014-2024 Amlogic, Inc. All rights reserved.
*
* All information contained herein is Amlogic confidential.
*
* This software is provided to you pursuant to Software License Agreement
* (SLA) with Amlogic Inc ("Amlogic"). This software may be used
* only in accordance with the terms of this agreement.
*
* Redistribution and use in source and binary forms, with or without
* modification is strictly prohibited without prior written permission from
* Amlogic.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define LOG_TAG "Subtitle_Segment"
#include "Segment.h"
#include "SubtitleLog.h"
std::shared_ptr<BufferItem> BufferSegment::pop() {
std::shared_ptr<BufferItem> item;
if (!mEnabled.load()) {
return nullptr;
}
std::unique_lock<std::mutex> autolock(mMutex);
if (!mEnabled.load()) {
return nullptr;
}
if (mSegments.size() == 0) {
mCv.wait_for(autolock, std::chrono::milliseconds(100));
}
if (mSegments.size() == 0) return nullptr;
item = mSegments.front();
mSegments.pop_front();
mAvailableDataSize -= item->getSize();
return item;
}
bool BufferSegment::push(std::shared_ptr<char> buf, size_t size) {
if (size <= 0) return false;
if (!mEnabled.load()) return false;
auto item = std::shared_ptr<BufferItem>(new BufferItem(buf, size));
std::unique_lock<std::mutex> autolock(mMutex);
if (!mEnabled.load()) return false;
mSegments.push_back(item);
mAvailableDataSize += size;
mCv.notify_all();
return true;
}