Puppy Linux Discussion Forum

greengeek

I have tested with yuyv422 and mjpeg : only mp4 doesn't work. May be, the ffmpeg version is too old, or not compiled to support mp4 format. It's not important. Thanks for testing. The following commands may be useful (They will create text files that list your codecs and formats) ffmpeg -codecs > c...

greengeek

Various combos all seem to work fine here;... 'Yuyv422'; yup. 'Mjpeg' is OK, too. 'Mkv', 'avi', 'mp4'.....all fine. That's great news, thanks for testing. I'm working on a modified MultiCam-portable; ffmpeg-based instead of mplayer, re-designed GUI, etc. I'll let you have the link when I'm happy wi...

greengeek

Released v08.
Improves the gui interrogation of formats & resolutions supported by selected usbcam.
Adds extra output formats.

(Please report any issues - much appreciated!)

greengeek

Since gxmessage allows input from stdin you can make this faster and simpler: ffmpeg -f v4l2 -list_formats all -i /dev/video"$USBCAM" 2>&1 | grep -Eo '(Raw|Compressed).*' | gxmessage -c -fn mono -file - I added the the -c and -fn mono options to center the dialog and make it more read...

greengeek

Sorry, I missed this part of your post. I have edited my reply with a modified grep command. Should result in 2 lines: Raw : yuyv422 : YUYV 4:2:2 : 640x400 640x480 320x240 320x200 160x120 1280x800 1280x720 Compressed: mjpeg : Motion-JPEG : 640x400 640x480 320x240 320x200 160x120 1280x800 1280x720 T...

greengeek

Rantanplan wrote: ↑Fri Aug 25, 2023 10:28 am
Later, will have another output format ?

If you have time please give this a try and tell me if this is helpful (s'il vous plait!! )

usbcamcord_v06.gz: Delete false .gz suffiz; (4.6 KiB) Downloaded 97 times

greengeek

@greengeek :- Okay. After some research - and a fair bit of head-scratching! - here's a line that will record both video AND audio, AND give a real-time sync'd preview, too:- ffmpeg -f alsa -ac 2 -i hw:5 -f v4l2 -i /dev/video0 -vcodec libx264 recording.mp4 -map 0:v? -vf "format=yuv420p" -...

greengeek

where did you dig that "format=yuv420p" up from? I think this can be replaced with "yuyv422" - which seems to be a common output format from usb webcams. One way to find what formats a webcam supports is to enter the following into a terminal (Changing dev/video value as needed ...

greengeek

Working well for me in my recent, heavily-customized install of Tahr64. Hi Mike thanks, for the report - I am glad it is working elsewhere too. I'm using one of John van Sickle's recent static ffmpeg builds here.....v5.1.1. Wouldn't suit you, I suppose, 'cos it's around 75 MB in size.....but the be...

greengeek

Tested and approved with an old packard-bell 1go ram, 40 go hdd, 2 go swap and webcam logitech (model unknow). This works very well with Toutou Linux Slaxen 6.0 (32 bit french derivative created by Esmourguit) Excellent, thanks for the report. Nice to know it can work on such a low ram machine. Lat...

greengeek

if you want to change the ffmpeg report file name, this is possible to do by setting an environment variable: export FFREPORT=file=/path/to/your/ffmpeg-report.txt Thank you. Is an environment variable something that would be set within a bash script or is it set within some /root/.config file please?

greengeek

ffmpeg -report -f v4l2 -list_formats all -i /dev/video0 2> formats.txt Ahhh, thank you. Much obliged. Note to self for future reference: Programs such as ffmpeg output more than one data stream: Some may be non-text and will go to stdout Some may be actual text and will go to stderr. (Seems like a ...

greengeek

Uploaded v05 which is much better in terms of showing the user what raw stream formats and compressed stream formats (and resolutions) their selected cam is capable of.

greengeek

Could not really decide where this question should go - but hope programming is a suitable place. I need to view the text output from an ffmpeg query. I have tried using the -report argument and yes it does print a .log file with a name such as "ffmpeg-20230825-211808.log" However - the lo...

greengeek

I decided to make a trial gtkdialog gui to allow easy testing of the syntax above for simultaneous display and recording from usb webcam:

https://www.forum.puppylinux.com/viewto ... 144#p97144

Works for me with F95Mid - planning to test on a range of machines and maybe other pups.

greengeek

Using USB webcam (without audio) to display monitored area and make video recording. - Cheap security camera surveillance. This is a trial gtkdialog gui that allows the user to choose one of their usb webcams as a source for recording and simultaneous display. Intended for use with Ozsouth's FossaM...

greengeek

Previous syntax gave stream issues on some machines with webcams lacking mjpeg compressed streams - so the following syntax should improve reliability across different usb webcam models. Also leaves out any attempt to grab audio so hopefully this will give less errors. Keen for others to try on othe...

greengeek

Actually this is worth a try. Seems great (and needs no extra software beyond what is already in F95Mid ootb): ffmpeg -f v4l2 \ -framerate 30 \ -video_size 640x480 \ -input_format mjpeg \ -i /dev/video0 \ -f alsa \ -i hw:0,0 \ -c:a pcm_s16le \ -c:v mjpeg \ -b:v 64000k \ output99.mkv \ -map 0:v \ -vf...

greengeek

Give this a try, ffmpeg -f v4l2 -i /dev/video0 -map 0 -c:v libx264 -f tee "output.mkv|[f=nut]pipe:" | ffplay pipe: Let us know if it works for you, please. No unfortunately it doesnt work for me but I think Ozsouth's comment about ffplay not installed answers why it won't work. However - ...

greengeek

Just doing a bit of testing with the inbuilt ffmpeg to see how capable it is (without any further additions - just what is already installed in Mid) and have got something working that I have not managed to achieve before on other pups: Sometimes I want to record from my usb webcam but also display ...

greengeek

rockedge As keniv says - the change you have made does allow the links icon to appear now, even when I am logged in so thats a good outcome on my devices anyway (Android and Blackberry). When I log in the "Donations" button moves out of the top area and appears under the quicklinks column...

greengeek

It seems that it is fine if I rotate the screen to landscape mode.
Never needed to do that before...

greengeek

I'm not sure this will be of any help but on my old iPhone 5 "links" appears in the normal position and when clicked on produces a drop down menu. "Quicklinks" also appears normal but it does not show the "links" arrow that yours does. Could this be a browser issue? Th...

greengeek

Well I just installed it, started it from the menu, saved the settings and on reboot it is there automatically ... Actually - i just discovered that the easy way to start it without a reboot or X restart is to add a pinstall.sh to the pet. The pinstall only needs the following: #! /bin/sh exec clip...

greengeek

I could be wrong but I think this is an issue that started occurring just recently. If I view the forum on a laptop or desktop I can see a "Links" link that when I click it shows me various puppy sites I can visit - including the Puppy Search (google assisted) link. LinksDesktopNormal.jpg ...

greengeek

Not sure if a clipboard manager has been included for this version (there isn't one with the basic version I have downloaded previously) but I made a pet for Clipit anyway for personal use. Sharing it, attached. Thanks for this. Do you know of any way to activate it into the tray without an X resta...

greengeek

It makes a difference when you restrict your browser cache in my view. Keen to know how to do this please. Having real trouble with 64bit browsers growing their RAM footprint up into the 2GB range even when sitting idle (after having viewed a YT video). Fatal on my smaller machines... Tried clearin...

greengeek

I have been comparing browsers in an effort to discover which browser uses less RAM in normal use. Most of them seem to progressively eat up RAM and eventually cause the machine to drown and choke. (Think this is a standard Ubuntu/browser problem rather than a FossaMid problem - there are lots of on...

greengeek

mikeslr wrote: ↑Mon Aug 14, 2023 10:19 pm
I wonder what that says about George Eiffel whose tower is almost twice as tall?

I once knew a lady who had stumbled across him at a nudist beach. Said she got quite an eyeful.

greengeek

In addition to the setblt slider I wanted the ability to adjust individual colours for gamma, xgamma, backlight, brightness and also resets so I have a whole bunch of screen finetuning scripts that I have packaged into a pet. These are very much hardware dependent so some may work on other machines ...

Puppy Linux Discussion Forum

Search found 1010 matches

Re: usbcamcord - simultaneous display & record of usb cam

Re: usbcamcord - simultaneous display & record of usb cam

Re: usbcamcord - simultaneous display & record of usb cam

Re: How to route ffmpeg output to text file? [SOLVED]

Re: How to route ffmpeg output to text file? [SOLVED]

Re: usbcamcord - simultaneous display & record of usb cam

Re: usbcamcord - simultaneous display & record of usb cam

Re: usbcamcord - simultaneous display & record of usb cam

Re: usbcamcord - simultaneous display & record of usb cam

Re: usbcamcord - simultaneous display & record of usb cam

Re: How to route ffmpeg output to text file?

Re: How to route ffmpeg output to text file?

Re: usbcamcord - simultaneous display & record of usb cam

How to route ffmpeg output to text file? [SOLVED]

Re: Fossa64-Mid - a pup with most needed items

usbcamcord - simultaneous display & record of usb cam

Re: Fossa64-Mid - a pup with most needed items

Re: Fossa64-Mid - a pup with most needed items

Re: Fossa64-Mid - a pup with most needed items

Re: Fossa64-Mid - a pup with most needed items

Re: External Links missing on cellphone version of forum

Re: External Links missing on cellphone version of forum

Re: External Links missing on cellphone version of forum

Re: Fossa64-Less - a smaller than Mid pup

External Links missing on cellphone version of forum [SOLVED]

Re: Fossa64-Less - a smaller than Mid pup

Re: Fossa64-Mid - a pup with most needed items

Re: Fossa64-Mid - a pup with most needed items

Re: Ancient people and their wheeled tanks and X-ray machines

Re: Fossa64-Mid - a pup with most needed items