I'm not sure now if it is possible, I need to produce steady internet stream that I encode 2pass, average is 1000kbps, but max bitrate could by way bigger, I need bitrate to stay below 1200. There is --vbv-maxrate 2500 item but whatever I choose it sets 2500 anyway. I thing it is setting max buffer size anyway not max bitrate.
Is there any way how to set it, more closely to something like CBR with some little room for bitrate to fluctuate.
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megui's profiles aren't organized that well
some of them have pre-entered values in the custom command line box if you are using one of the profiles (look on the last tab, make sure you're using "advanced settings" checkmarked, and edit the value or delete it)
check with your log file to see that your actual command gets passed -
There is Bitrate Variance under Rate control, and it does not have effect I'd expect, I set it to 0.1 , it will not let me set zero, and for 1000kbps there are scenes it still goes up to 1400. I can see changes in command line, it gets passed, --ratetol 0.1 . I guess I can live with that, but just curious how a command line might be to simulate something like CBR or better how to set it within Megui.
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--vbv-maxrate isn't the same thing as maximum instantaneous bitrate ; it's the maximum bitrate that can enter the buffer.
set --qcomp to 0 as well, and your --vbv-bufsize should be slightly higher than --vbv-maxrate. The --vbv-maxrate should equal the bitrate -
nice, Quantizer Compression set to zero , --qcomp 0 actualy works, fluctuation is lower for that 1000 kbps it goes up to 1200, not 1400
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