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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