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GStreamer備忘録

Last updated at Posted at 2019-08-30

デバイスを探す

gst-device-monitor-1.0 

{device-path}の値を探す

インストーラーでcompleteを選択していないと、Video/Sourceが見つからないようです。

windowsでUSBカメラからRTPストリームを転送する

./gst-launch-1.0 ksvideosrc device-path="{上で見つけたPath}"
! videoscale ! video/x-raw,width=320,height=240,framerate=4/1
! videorate ! videoconvert ! timeoverlay
! vp8enc error-resilient=1 ! rtpvp8pay 
! udpsink host={転送先アドレス} port={port}

video/x-raw

YUY形式など無圧縮の生データを取り出す

width=320,height=240,framerate=4/1

幅320px高さ240pxフレームレート1/4=4fps

vp8enc

VP8でエンコードしたものを出力

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