[libav-api] Accessing HTTP/MJPEG Stream from Axis Encoder

Luca Barbato lu_zero at gentoo.org
Tue Feb 5 10:11:31 CET 2013


On 04/02/13 23:16, Michael Rice wrote:
> Hello -
> 
> I am using an Axis Q7404 encoder to convert analog video to digital and
> stream it on my network. I am writing an application using libav to display
> the video streams. The Axis will output either H.264 over RTSP or MJPEG
> over HTTP. I can view the RTSP/H.264 stream, but fail on the HTTP/MJPEG
> stream.
> 
> Here's the output of 'avprobe http://192.168.1.11/axis-cgi/mjpg/video.cgi':
> [ingenient @ 0x7f9534006600] Could not find codec parameters (Video: mjpeg)
> [ingenient @ 0x7f9534006600] Estimating duration from bitrate, this may be
> inaccurate
> http://192.168.1.11/axis-cgi/mjpg/video.cgi: Operation not permitted

Which version are you using? Vladimir recently landed two patches to
address a similar problem.

lu



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