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On Sun, Jun 15, 2014 at 12:54 PM, <meino.cramer@×××.de> wrote: |
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> Hi, |
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> |
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> After unsuccessfully trying vlc with a Logitech C920 HD Pro Webcam |
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> (over 2 seconds delay between audio and video). I played around |
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> with gstreamer and from bits and pieces from the web I build |
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> this line: |
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> |
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> gst-launch-1.0 v4l2src device=/dev/video1 ! video/x-h264,width=1920,height=1080,framerate=30/1 ! \ |
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> h264parse ! muxout. alsasrc device="hw:3,0" ! queue ! audioconvert ! lamemp3enc ! \ |
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> muxout. matroskamux name=muxout streamable=true ! filesink location=c920.mp4 |
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> |
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> which records a Full HD video with audio to my harddisc. The delay is |
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> minimal and the sync between audio and video is good. |
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> |
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> But there is one disadvantage: |
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> I cannot see what I am recording and I cannot watch the webcams stream |
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> before I fire up the script because otherwise the device would be "already |
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> in use" (I dont like scripts, which simply kill other applications when |
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> called). |
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> |
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> Any ideas or hints how to manage that? |
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|
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Use the tee element. I'm in a hurry, so I cannot test a pipeline right |
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now, but I will try later. Meanwhile, just try to put a queue element |
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after each path of the tee. |
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|
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gst-inspect-1.0 tee |
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|
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Regards. |
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-- |
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Canek Peláez Valdés |
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Profesor de asignatura, Facultad de Ciencias |
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Universidad Nacional Autónoma de México |
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