gstnvtimesynch.h

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2021-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: LicenseRef-NvidiaProprietary
 *
 * NVIDIA CORPORATION, its affiliates and licensors retain all intellectual
 * property and proprietary rights in and to this material, related
 * documentation and any modifications thereto. Any use, reproduction,
 * disclosure or distribution of this material and related documentation
 * without an express license agreement from NVIDIA CORPORATION or
 * its affiliates is strictly prohibited.
 */
 
#ifndef __GST_NVTIMESYNC_H__
#define __GST_NVTIMESYNC_H__
 
#include <gst/gst.h>
#include "nvstreammux.h"
#include "nvstreammux_batch.h"
#include "nvstreammux_pads.h"
#include <unordered_map>
#include <mutex>
 
class NvTimeSync : public ISynchronizeBuffer
{
 
    public:
    NvTimeSync(GstElement* el)
        : plugin(el), pipelineLatency(0), upstreamLatency(0),
          minFpsDuration(0),
          segments(), mutex()
    {}
 
    
    BUFFER_TS_STATUS get_synch_info(BufferWrapper* buffer);
    void removing_old_buffer(BufferWrapper* buffer);
 
    void SetPipelineLatency(GstClockTime latency);
 
    void SetUpstreamLatency(GstClockTime latency);
 
    GstClockTime GetUpstreamLatency();
 
    GstClockTime GetCurrentRunningTime();
 
    void SetSegment(unsigned int stream_id, const GstSegment* segment);
 
    void SetOperatingMinFpsDuration(NanoSecondsType min_fps_dur);
 
    NanoSecondsType get_buffer_earlyby_time();
 
    
    uint64_t GetBufferRunningTime(uint64_t pts, unsigned int stream_id);
 
    private:
    GstElement* plugin;
    GstClockTime pipelineLatency;
    GstClockTime upstreamLatency;
    GstClockTime minFpsDuration;
    GstClockTime bufferWasEarlyByTime;
    std::unordered_map<unsigned int, GstSegment*> segments;
    std::mutex              mutex;
};
 
 
#endif