simple UDP pipeline

horai ivo.hora at seznam.cz
Fri Aug 10 20:11:56 UTC 2018


Dear all,

I am trying to send stream of a local file over UDP, using this pipeline:
gst-launch-1.0 filesrc
location=/home/horai/Downloads/big_buck_bunny_720_stereo.mp4 ! qtdemux
name=demux demux.video_0 ! queue ! h264parse  ! rtph264pay pt=96 ! udpsink
host=127.0.0.1 port=5001

but I am facing following warnings:
basesrc gstbasesrc.c:3491:gst_base_src_start_complete:<filesrc0> pad not
activated yet
Pipeline is PREROLLING ...
0:00:00.042980525 16465 0x562a2e4ec8a0 WARN                 qtdemux
qtdemux.c:2899:qtdemux_parse_trex:<demux> failed to find fragment defaults
for stream 1
0:00:00.043171270 16465 0x562a2e4ec8a0 WARN                 qtdemux
qtdemux.c:2899:qtdemux_parse_trex:<demux> failed to find fragment defaults
for stream 2
0:00:00.043511443 16465 0x562a2e4ec8a0 WARN                 basesrc
gstbasesrc.c:2400:gst_base_src_update_length:<filesrc0> processing at or
past EOS

The receiver pipeline does not show anything, I guess it is related to
previous warnings: 
gst-launch-1.0 -v udpsrc port=5001 caps="application/x-rtp,
media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264" !
rtph264depay ! h264parse ! avdec_h264 ! autovideosink sync=false

I haven't a clue what I am doing wrong, is the stream too fast that it is
running the pipeline on the end already or didn't I specify the video demux
part properly or am I missing some CAPS?
According to gst-discover-1.0 I have quicktime video with this content:
Topology:
  container: Quicktime
    audio: MPEG-4 AAC
    video: H.264 (Constrained Baseline Profile)

Properties:
  Duration: 0:09:56.492000000
  Seekable: yes
  Tags: 
      audio codec: MPEG-4 AAC audio
      maximum bitrate: 128196
      bitrate: 128196
      title: big_buck_bunny_720_stereo -
https://archive.org/details/BigBuckBunny1280x720Stereo
      encoder: Lavf55.45.100
      container format: ISO MP4/M4A
      video codec: H.264 / AVC

Could anyone help me resolve this issue?






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