H264 NAL Unit Not Found Error

[Nicolas Dufresne]

Le jeudi 15 novembre 2018 à 06:21 -0600, unalozten a écrit :
> Hello again,
> 
> After some fixes, we started a H264 stream and we didn't receive the "H264
> NAL Unit not found" error when we played this stream using Gstreamer, but
> we've encountered another warning message saying that *"; 1"*. This warning message comes
> from "h264parse" element.

Enable more debugging to find our more about why it's broken.

GST_DEBUG=3 gst-launch-1.0 ...

> 
> You can find the new .pcap file which contains two-frame data, in the
> attachment.
> 
> The pipeline which was Frame.pcap
> <http://gstreamer-devel.966125.n4.nabble.com/file/t378626/Frame.pcap>   used
> to play and record the stream is below:

I cannot confirm/reproduce your issue as you didn't make your PCAP long
enough. It should contain at least one PPS and SPS NALU.

> gst-launch-1.0.exe -vvv -e --gst-debug=2 udpsrc pNALU.=6670
> caps="application/x-rtp, media=video, clock-rate=90000, encoding-name=H264,
> payload=101" buffer-size=1200000 ! rtph264depay ! video/x-h264,
> stream-format=byte-stream, width=1920, height=1080, framerate=25/1 !
> h264parse ! queue2 ! tee name="splitter" ! queue ! avdec_h264 ! queue2 !
> videoconvert ! video/x-raw, format=YUY2 ! d3dvideosink sync=false splitter.
> ! queue ! avimux ! filesink location="LOCATION"
> 
> Thank you in advance for your reply.
> 
> 
> 
> 
> --
> Sent from: http://gstreamer-devel.966125.n4.nabble.com/
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