[Live-devel] OpenRtsp recording question

Giacomo Parmigiani gparmigiani at logital.it
Mon May 18 03:28:58 PDT 2015


Hello,

we have an ip-camera streaming via rtsp (h264/AVC) at 5 fps in hd
resolution,
we're trying to record .mp4 file with openrtsp. Recorded stream looks like
beeing freezed at the first received frame, though Vlc and ffplay can
playback with no issues the stream (in vlc by the way it was necessary to
provide a bigger inbound cache from the original 333 ms).
the recording works flawlessly with cameras with higher framerates, but we
have problems when facing low framerate. What could be the problem?


here's our openRtsp calling arguments (to record every minute with .mp4
format):

-4 -F rec -n -P 60 -f 5 -b 250000 -D 10 rtsp://192.168.30.160



i tryed increasing the network buffer cache but doesn't seem to target our
problem.
i tryed  -B 250000 along with previous options, with no success.


Hope you can help us,
Thank you so much,



Giacomo Parmigiani

LOGITAL  srl

via Palazzetti 5/F

40138 San Lazzaro di Savena (BO)

ITALY

Tel. +39 051 19983700
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