gstnvtimesynch.h

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2021-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: MIT
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */
 
#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