2011/8/31 김희숙 <[email protected]> > Hi All, > > > > I'm testing FFMPEG performance with libx264 for H.264 encoding. > > I found there may 2 or 3 seconds delay on receiving PC. > > > > The command is as follows: > > ffmpeg -r 30 -f vfwcap -s 1280x720 -i 0 -vcodec libx264 -b 2000k -minrate > 1000k -coder 0 -flags +loop+cgop -cmp +chroma -partitions > -parti8x8+parti4x4+partp8x8-partp4x4-partb8x8 -me_method dia -subq 3 > -me_range 24 -g 250 -keyint_min 25 -sc_threshold 40 -i_qfactor 0.71 > -b_strategy 1 -qcomp 0.6 -qmin 10 -qmax 51 -qdiff 4 -directpred 1 -flags2 > +fastpskip -refs 6 -subq 5 -f rtp rtp://192.168.1.100:40000 > > > > I also tested cif resolution and I got same result, 2 or 3 seconds delay. > > I captured the rtp packets and I found there is no many packets to be sent > on receiving side. > > > > In general, how many packets to be sent under 1280x720@30fps? > > > > the decoding picture quality was good but there was delay. > > > > I wonder there is missing point on above command or something. > > > > Please advise something to me. > > > > Thanks > > hsk > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > >
HOW ARE YOU CALCULATING THE DELAY ?? PLEASE SPECIFY ELABORATELY
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