matroskamux Invalid buffer timestamp; dropping buffer

[Борис]

I'm trying to save encoded h265 data to file using next pilelines:
to send:

appsrc name=vsrc ! videoconvert !
video/x-raw,format=I420,width=1920,height=1080,framerate=60/1 "

"! omxh265enc bitrate=20000000 control-rate=2 "

"! rtph265pay name=pay0 pt=96

to receive:
gst-launch-1.0 --gst-debug-level=2 rtspsrc location=rtsp://
10.20.55.68:4510/vd latency=0 protocols=GST_RTSP_LOWER_TRANS_TCP !
application/x-rtp,encoding-name=H265,payload=96 ! rtph265depay ! h265parse
! queue ! matroskamux ! filesink
location=/home/nvidia/testcompress/video_20mbit_enc.mkv -e sync=false
async=false

and it gives me next warnings:
0:00:13.408891548  8716       0x635370 WARN             matroskamux
matroska-mux.c:3558:gst_matroska_mux_write_data:<matroskamux0:video_0>
Invalid buffer timestamp; dropping buffer
0:00:14.371792889  8716       0x635370 WARN             matroskamux
matroska-mux.c:3558:gst_matroska_mux_write_data:<matroskamux0:video_0>
Invalid buffer timestamp; dropping buffer
0:00:15.345857558  8716       0x635370 WARN             matroskamux
matroska-mux.c:3558:gst_matroska_mux_write_data:<matroskamux0:video_0>
Invalid buffer timestamp; dropping buffer

and i got corrupted video in result
i tried to set my own timestamp:

        if (startTime == -1)

        {

            startTime = it->time;

        }

        qint64 ts = (it->time - startTime) * 1e2;

        GST_BUFFER_PTS (buffer) = ts;

        GST_BUFFER_DTS (buffer) = ts;



i also tried to set do-timestamp option in appsrc:

    g_object_set (appsrc, "do-timestamp", true, NULL);

    g_object_set(appsrc, "is-live", true, NULL);

    g_object_set(appsrc, "min-latency", 0, NULL);


but i get corrupted video anyway.

what is wrong?


example of corrupted video:

https://drive.google.com/open?id=1GsLW9WEWi619YRDZw7ndmd43Nlyq4QSm
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