Kazam will not open!

[thislinuxdj]

Having problems opening up kazam keeps crashing. And theres no good screen recorder! Only one is kazam!!! Emailed a admin to. So hope i get reply. Or maybe theres a good one out there. Recordmydesktop i think its called is not to good. >>>>>>>>>>>>

[vinnywright]

you can use this

ffmpeg -f alsa -ac 2 -i pulse -f x11grab -s 1366x768 -r 25 -i :0.0 -vcodec ffv1 filename.avi

if you have ffmpeg installed and get a vary nice screen capture with sound ,,,,, change the 1366x768 to you screen res. and filename.avi to whatever you wish ,,,,,be carfull however the file size gets large quickly !! ctrl+c quits it wile the konsole has focus

VINNY

[thislinuxdj]

you can use this

ffmpeg -f alsa -ac 2 -i pulse -f x11grab -s 1366x768 -r 25 -i :0.0 -vcodec ffv1 filename.avi

if you have ffmpeg installed and get a vary nice screen capture with sound ,,,,, change the 1366x768 to you screen res. and filename.avi to whatever you wish ,,,,,be carfull however the file size gets large quickly !! ctrl+c quits it wile the konsole has focus

VINNY

does not work either

[thislinuxdj]

i have a little older computer

[vinnywright]

i have a little older computer

such as ?? and what ver.of Kubuntu

VINNY

[thislinuxdj]

such as ?? and what ver.of Kubuntu

VINNY

2006 dell inspiron 6400 my other one is 2010 toshiba satelite toshiba runs kubuntu 12.10 and the dell inspiron runs 12.04. using dell inspiron now

[vinnywright]

what kind of errors did you get when trying to run the ffmpeg line I gave you ? and how mutch RAM is in that box ,,,,,other than low ram I see no reason it should not do a screen grab ?
do you have a swap partition?
I use that line often in both 12.04 & 12.10 !!
hear is it in action

VINNY

[SteveRiley]

ffmpeg -f alsa -ac 2 -i pulse -f x11grab -s 1366x768 -r 25 -i :0.0 -vcodec ffv1 filename.avi

if you have ffmpeg installed and get a vary nice screen capture with sound ,,,,, change the 1366x768 to you screen res. and filename.avi to whatever you wish ,,,,,be carfull however the file size gets large quickly !! ctrl+c quits it wile the konsole has focus

ffmpeg has been deprecated in favor of avconv. And the replacement is no longer a part of the default Kubuntu install. However, it's very easy to obtain. Simply run the following:

sudo apt-get install libav-tools

Once you do that, the following command will record your entire screen. It reads your screen's dimensions using xdpyinfo, so you can reuse this command anywhere without having to figure out the parameters for the -s option ahead of time. The video stream is encoded in with the free and open source Theora codec and stored in a Matroska container.

avconv -f x11grab -s $(xdpyinfo | awk '/dimensions/ {print $2}') -i :0.0 -vcodec libtheora -q 10 [i]filename[/i].mkv

Be sure to replace filename with something meaningful.

The number following -q indicates the quality; the useful range is from 0 to 10 for Theora. Higher numbers indicate higher quality (and larger file size). As an experiment, I ran a quick command loop to make 11 five-second recordings of my idle desktop (1920 x 1080 resolution), incrementing the quality each time. The results:

q | size in bytes
---------------------
0 | 271,930
1 | 393,936
2 | 571,024
3 | 738,440
4 | 764,627
5 | 917,289
6 | 1,069,820
7 | 1,218,198
8 | 1,417,042
9 | 1,883,516
10 | 2,046,983

Theora inside Matroska will provide much smaller files than non-compressed streams inside AVI files. As a comparison, the same five-second recording using FFV1 into an AVI resulted in a file size of 55,383,742 bytes! To my eyes, the Theora video at quality 10 looked identical to the FFV1 video.

Be aware that these files most likely will not play on Windows machines, as Microsoft doesn't include native support for Theora and Matroska. If you need something that's cross platform, let us know.

[Snowhog]

...the following command will record your entire screen. It reads your screen's dimensions using xdpyinfo, so you can reuse this command anywhere without having to figure out the parameters for the -s option ahead of time. The video stream is encoded in with the free and open source Theora codec and stored in a Matroska container.

avconv -f x11grab -s $(xdpyinfo | awk '/dimensions/ {print $2}') -i :0.0 -vcodec libtheora -q 10 [I]filename[/I].mkv

Be sure to replace filename with something meaningful.

WAY COOL!! Just gave it a try. Just way to cool! Thank you. I've created an alias for this.

[SteveRiley]

WAY COOL!! Just gave it a try. Just way to cool! Thank you. I've created an alias for this.

Thanks! Glad you like it.

One of my goals was to find a combination of concise command syntax and conservative file sizes. Some other examples I came across were truly ugly, with many many pipes and intermediate file format conversions and just yuk.

[SteveRiley]

You have frequently mentioned using aliases, and I've decided this is a good habit to start.

However, for this command, I'm using a function instead. That way, I don't have to forget to supply the filename and the .MKV extension. (IIRC, bash aliases can't take variables.) I've added this to ~/.bash_aliases:

screenrecord () { avconv -f x11grab -s $(xdpyinfo | awk '/dimensions/ {print $2}') -i :0.0 -c:v libtheora -q 10 $*.mkv ;}

(I've also exchanged -c:v for -vcodec. The earlier form was three characters longer, such a waste!)

[thislinuxdj]

cool will try it later. will let u guys know results

[thislinuxdj]

thanks got it worrking! lags a little on this dell inspiron 6400 but won't get much from this old thing! will try it on toshiba satelite. sorry been posting it on new guy!!! i been using linux since last year in august. thanks for help steve and other people.