Skipped frames when displaying RTP / H.264 stream

jean-philippe jean_philippe_arnaud at
Tue Feb 18 17:19:30 UTC 2020

I attach the relevant packets captured by Wireshark.

Also, the code in rtph264pay confirms my supposition that the Marker bit is
not set for Filler NALUs:
      if (IS_ACCESS_UNIT (nalType)) {
        gst_rtp_buffer_set_marker (&rtp, end && end_of_au);

and #define IS_ACCESS_UNIT(x) (((x) > 0x00) && ((x) < 0x06))

The Filler NALU type is 12.

Anyone know if this should be modified to set the Marker bit to Filler

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