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https://github.com/openharmony/drivers_peripheral.git
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wwx1074746
74 lines
3.1 KiB
C++
74 lines
3.1 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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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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#ifndef HOS_BUFFER_TRACKING_H
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#define HOS_BUFFER_TRACKING_H
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#include "buffer_trace.h"
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#define PIPELINE_REPORT_BUFFER_LOCATION(I, F, N) TRACKING_REPORT_BUFFER_LOCATION(I, F, N, false);
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#define POOL_REPORT_BUFFER_LOCATION(I, F) TRACKING_REPORT_BUFFER_LOCATION(I, F, "", true);
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#define TRACKING_REPORT_BUFFER_LOCATION(I, F, N, R) \
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do { \
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auto m = std::make_shared<BufferTrackingMessage>(); \
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m->trackingId = I; \
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m->frameNumber = F; \
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m->nodeName = N; \
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m->isReturnBack = R; \
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BufferTracking::ReportBufferLocation(m); \
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} while (0);
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namespace OHOS::Camera {
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class BufferTracking {
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public:
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// begin to track a stream, call AddTrackingNode to add node after this function.
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// trackingId can be steam id, poolId is id of buffer pool which in SinkNode.
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static void AddTrackingStreamBegin(const int32_t trackingId, const int64_t poolId);
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// add node complete, call this before StartTracking, after AddTrackingNode.
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static void AddTrackingStreamEnd(const int32_t trackingId);
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// disable tracking a stream
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static void DeleteTrackingStream(const int32_t trackingId);
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// append node to tracking list, call this before AddTrackingStreamEnd, after AddTrackingStreamBegin.
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static void AddTrackingNode(const int32_t trackingId, const std::string node);
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/* report location of a buffer, after this buffer has been delivered to a node or pool.
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* report report report report report report
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* | | | | | |
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* BUFFERPOOL---->SOURCENODE----->NODE----->NODE----->NODE---->SINKNODE---->BUFFERPOOL
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*/
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static void ReportBufferLocation(const std::shared_ptr<BufferTrackingMessage>& message);
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// start a thread to tracking buffers of a stream.
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static void StartTracking();
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// stop stacking
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static void StopTracking();
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// check if there are buffers in a specific node.
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static int32_t IsNodeEmpty(const int32_t id, const std::string node);
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// check if there are buffers from beginNode to endNode.
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static int32_t IsNodeEmpty(const int32_t id, const std::string beginNode, const std::string endNode);
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static void DumpBufferTrace(const int32_t id, BufferTraceGraph& graph);
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};
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} // namespace OHOS::Camera
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#endif
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