[FFmpeg-user] Issue Overlaying Video from x11grab and video4linux2

[Ian Milligan]

I forgot to mention that the output also shows many dropped frames.


On Mon, Dec 2, 2013 at 4:58 PM, Johnny Klonaris <jawknee at sonic.net> wrote:

> Newbie alert - I'm new to ffmpeg and very new to the list…
>
> On Dec 2, 2013, at 4:26 PM, Ian Milligan wrote:
>
> > ...
> > output looks like: http://pastie.org/8524085. However when I try to
> capture
> > simultaneously using video4linux2 and overlay the two streams, the
> encoder
> > reports getting only about 5 fps. Here is some sample output:
> > http://pastie.org/8524055.
>
> The links above show text that appears to be cut off with no scroll bar and
> the output largely appeared on one line, but I eventually figured it out.
>
> In each of these, the fps output I see I believe is the rate
> at which frames are being encoded.   In other words - how fast
> ffmpeg is able do the the encoding as opposed to the ultimate playback
> rate.
>
> Hope that helps.
>
> Johnny
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