71 lines
1.5 KiB
C++
71 lines
1.5 KiB
C++
#include "RenderOutputQueue.h"
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RenderOutputQueue::RenderOutputQueue(const VideoPlayoutPolicy& policy) :
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mPolicy(NormalizeVideoPlayoutPolicy(policy))
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{
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}
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void RenderOutputQueue::Configure(const VideoPlayoutPolicy& policy)
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{
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std::lock_guard<std::mutex> lock(mMutex);
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mPolicy = NormalizeVideoPlayoutPolicy(policy);
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while (mReadyFrames.size() > CapacityLocked())
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{
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mReadyFrames.pop_front();
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++mDroppedCount;
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}
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}
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bool RenderOutputQueue::Push(RenderOutputFrame frame)
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{
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std::lock_guard<std::mutex> lock(mMutex);
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if (mReadyFrames.size() >= CapacityLocked())
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{
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mReadyFrames.pop_front();
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++mDroppedCount;
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}
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mReadyFrames.push_back(frame);
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++mPushedCount;
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return true;
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}
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bool RenderOutputQueue::TryPop(RenderOutputFrame& frame)
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{
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std::lock_guard<std::mutex> lock(mMutex);
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if (mReadyFrames.empty())
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{
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++mUnderrunCount;
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return false;
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}
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frame = mReadyFrames.front();
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mReadyFrames.pop_front();
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++mPoppedCount;
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return true;
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}
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void RenderOutputQueue::Clear()
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{
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std::lock_guard<std::mutex> lock(mMutex);
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mReadyFrames.clear();
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}
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RenderOutputQueueMetrics RenderOutputQueue::GetMetrics() const
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{
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std::lock_guard<std::mutex> lock(mMutex);
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RenderOutputQueueMetrics metrics;
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metrics.depth = mReadyFrames.size();
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metrics.capacity = CapacityLocked();
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metrics.pushedCount = mPushedCount;
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metrics.poppedCount = mPoppedCount;
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metrics.droppedCount = mDroppedCount;
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metrics.underrunCount = mUnderrunCount;
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return metrics;
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}
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std::size_t RenderOutputQueue::CapacityLocked() const
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{
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return static_cast<std::size_t>(mPolicy.maxReadyFrames);
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}
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