late picture skipped (x > -y)

[marranxo]

Hi,

I'm currently developing a rtsp server based on two kinds of services: live and file-oriented. I'm using vlc api to receive streams in rtp/avp/udp profile. Streams are slowly presented/updated due to frames skipped. I'd like to know the reason that vlc skips frames, may it be the difference between rtp/rtcp timestamp (allways with the same random offset added) and rtcp/sr NTP timestamp? or due to the delay between frames sent? The error (warning message) I get in the message window (Tools -> Messages) is "main warning: late picture skipped (X > -Y)". Is X cts (current timestamp) and Y pts (presentation timestamp)?

Thanks for your help.

J.Kastle

[Rémi Denis-Courmont]

X is the difference of the current time and the picture timestamp. Y is the estimated latency of the rendering pipeline. Both values are expressed in microseconds.