[FFmpeg-user] Screen-casting - RTSP - VMIX

Claudiu Rad jazzman at misalpina.net
Mon Sep 21 12:25:11 CEST 2015



On 8/22/2015 2:36 AM, Bilarus T wrote:
> Hello FFmpeg community
>
> I'm trying over 2 months to successfully use FFmpeg to stream locally my
> desktop to VMIX but without success and it is getting me insane

and why wouldn't you use their desktop capture utility who is probably 
better optimized for the job?

>
> I'm using screen-capture-recorder to capture at 60fps in 1080p

seriously? you need huge CPU power in order to do that resolution and 
framerate.
especially if you don't select an -preset veryfast or something (like I 
see below).

> I have searched the whole web and can't find anything near to my problem.
>
> my current try is as follow :
>
>> ffmpeg -re -rtbufsize 1500M -f dshow -i
> video="screen-capture-recorder":audio="
> virtual-audio-capturer" -r 60 -vcodec libx264 -threads 4 -tune zerolatency
> -b 35
> 00K -f rtsp -rtsp_transport tcp rtsp://109.68.150.212:8550/
>
>
> And I'm getting this error continuously :
>
> *[dshow @ 0000000003020c60] real-time buffer [screen-capture-recorder]
> [video inp**ut] too full or near too full (92% of size: 1500000000
> [rtbufsize parameter])! f**rame dropped!*
>
> Could you please tell me what I'm doing wrong? Also, is it necessary to use
> FFServer ? I'm really new into this but I'm starting to like it very much,
> really interesting processes and open to learn from you

you should really look at your task manager from time to time.
it's a wonder how many stories can it tell.. especially during encoding.

>
> Greetings, Bilarus
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>
> -- 
> Claudiu


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