[FFmpeg-user] webm muxer (-f webm) seems slow

Jun Jie Pang junjiepang at gmail.com
Sun Feb 16 09:02:31 CET 2014


On Wed, Feb 12, 2014 at 11:26 PM, Jun Jie Pang <junjiepang at gmail.com> wrote:

> On Wed, Feb 12, 2014 at 10:54 PM, Carl Eugen Hoyos <cehoyos at ag.or.at>wrote:
>
>> Jun Jie Pang <junjiepang <at> gmail.com> writes:
>>
>> > I am serving my video(x11grab encoded into webm)
>> > via HTTP on a nodejs server, piping to the client.
>> > It seems that the muxer (-f webm) is delaying my
>> > video. There is a 1-2 second delay.
>>
>> I suspect that the delay is produced by the input.
>> Does setting -analyzeduration and -probesize make
>> a difference?
>>
>> Carl Eugen
>>
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>
>   I suppose setting -probesize to 32, and -analyzeduration to 0? Didnt
> make much of a difference though (visually)... Sorry that I couldn't
> provide a more accurate measure...
>
> Thank you
> Regards
> Jun Jie
>



Hi,
    By input, do you meant input to the muxer or input to the encoder ? If
it is one of those, is there any other configurations that I might run with
to improve the lag/latency ?

Thank you
Regards
Jun Jie


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