[Live-devel] OpenRtsp recording question

[Marcin]

For me the problem is that you need to start recording on an I-Frame 
first. I deal with that by skipping NAL units that doesnt start with a 
keyframe. Otherwise you get trash at the beggining.
Marcin

W dniu 2015-05-18 o 12:28, Giacomo Parmigiani pisze:
> 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 
> <http://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 <tel:%2B39%20051%2019983700>
>
>
>
>
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