Camera record accelerated video, muxer fix it but breaks client

[Deymos s]

Greetings, has anyone encountered such a problem, the video writes
very quickly, as if timestamps break,
but such garbage is only on two camera models out of three
Pipeline for record video: rtspsrc location="" ! rtph264depay!
capsfilter caps="video/x-h264, stream-format=(string)byte-stream" !
multifilesink location="/home/test/%07d" next-file=2
Pipeline for read video: multifilesrc location="/home/test/%07d"
start-index=0 loop=true ! h264 parse ! h264pay

example of accelerated stream:
https://drive.google.com/file/d/1gTmmzelfveteU8XB2GeUAq_2FlrGtq8A/view?usp=sharing

I tried adding a muxer, but then the rtsp archive in the client breaks down,
when it pauses with flush and continues streaming, the time jumps 20
seconds - 1 minute ahead
Pipeline: rtspsrc ! decodebin( with demuxer) ! videoconvert ! glsinkbin

pause and play:void VideoItem::pause()
{
    qDebug()<<"startPause";
    gst_element_send_event(_data->pipeline, gst_event_new_flush_start());
    gst_element_send_event(_data->pipeline, gst_event_new_flush_stop(TRUE));
    if(_data->state == STATE_PLAYING) {
        gst_element_set_state(_data->pipeline, GST_STATE_PAUSED);
    }
}
void VideoItem::resume()
{
    gst_element_seek_simple(_data->pipeline, GST_FORMAT_TIME,
GST_SEEK_FLAG_FLUSH, 0);
    gst_element_set_state(_data->pipeline, GST_STATE_PLAYING);
}

example of time jumps:
https://drive.google.com/file/d/1OEbU6-Fcmj1-WWlUgsVY3EbSBesIQBs9/view?usp=sharing
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