[FFserver-user] Huge startup delay with H.264

adminrezo.0441992b adminrezo.0441992b at ac-nantes.fr
Wed Mar 21 17:41:45 CET 2012


Do you ask the codec to make 1 pass or 2-pass encoding ?



Le 10/03/2012 04:02, roko a écrit :
> Hi...
>
> I'm streaming H.264 with FFServer... and the startup delay is almost a 
> full minute using VLC or FFPlay.. is there a way to reduce this delay 
> ? Here are my settings:
>
> <Stream test1.flv>
> Feed feed1.ffm
> Format flv
>
> #audio
> NoAudio
>
> #video
> Preroll 15
> VideoBitRate 512
> VideoBufferSize 40
> VideoFrameRate 25
> VideoBitRateTolerance 100
> VideoSize 640x480
> VideoGopSize 12
> VideoCodec libx264
> AVOptionVideo coder 0
> AVOptionVideo bf 0
> AVOptionVideo flags2 +mixed_refs+fastpskip
> AVOptionVideo flags +loop
> AVOptionVideo cmp +chroma
> AVOptionVideo partitions +parti8x8+parti4x4+partp8x8+partb8x8
> AVOptionVideo me_method hex
> AVOptionVideo subq 7
> AVOptionVideo me_range 16
> AVOptionVideo g 250
> AVOptionVideo keyint_min 10
> AVOptionVideo sc_threshold 40
> AVOptionVideo i_qfactor 0.71
> AVOptionVideo b_strategy 1
> AVOptionVideo qcomp 0.6
> AVOptionVideo qmin 10
> AVOptionVideo qmax 51
> AVOptionVideo qdiff 4
> AVOptionVideo refs 3
> AVOptionVideo directpred 1
> AVOptionVideo trellis 1
> AVOptionVideo wpredp 0
> AVOptionVideo flags +global_header
> StartSendOnKey
> </Stream>
>
>
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> ffserver-user mailing list
> ffserver-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffserver-user
>    


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