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by tvjon
Mon Feb 05, 2018 3:11 pm
Forum: Other projects
Topic: Need help on ISS streamer
Replies: 16
Views: 1882

Re: Need help on ISS streamer

Those ideas sound feasible & should spurn interest. As you can imagine, it's tricky trying to debug remotely... Can you try these statements from a terminal? omxplayer /opt/vc/src/hello_pi/hello_video/test.h264 mplayer /opt/vc/src/hello_pi/hello_video/test.h264 You should see each display the video,...
by tvjon
Sat Feb 03, 2018 6:52 pm
Forum: Other projects
Topic: Need help on ISS streamer
Replies: 16
Views: 1882

Re: Need help on ISS streamer

Bob, just to try & eliminate one of the many variables involved with this sort of thing, you could: sudo apt-get install mplayer When it's done, type: pi@s2:~ $ livestreamer http://ustream.tv/channel/iss-hdev-payload best -p mplayer & the response should be something like this: [cli][info] Found mat...
by tvjon
Fri Feb 02, 2018 8:56 pm
Forum: Other projects
Topic: Need help on ISS streamer
Replies: 16
Views: 1882

Re: Need help on ISS streamer

That statement is all 1 LINE. The only carriage return is at the end.

Here's the statement zipped.
iss.zip
(275 Bytes) Downloaded 36 times
by tvjon
Fri Feb 02, 2018 6:11 pm
Forum: Other projects
Topic: Need help on ISS streamer
Replies: 16
Views: 1882

Re: Need help on ISS streamer

Thank you for those links. ISTR I've seen them before, but had no time to pursue the idea. Initially I was surprised you managed to successfully install the software from that second link, as it has minor errors, & even on a recent Stretch µSD card, attempting to run it produced numerous errors. I'm...
by tvjon
Tue Jan 30, 2018 5:11 pm
Forum: Graphics, sound and multimedia
Topic: Can anyone recommend a good microphone
Replies: 4
Views: 2637

Re: Can anyone recommend a good microphone

Typically, USB mic's would be used with Rpi, so almost any such mic' will work with Rpi. However, you may find many more posts regarding *which* of those mic's work well for bird song on a bird site, perhaps RSPB, or on a site dedicated to mic's? If however you're prepared to spend just a little, & ...
by tvjon
Tue Jan 16, 2018 6:53 pm
Forum: Raspbian
Topic: Updating: scrollpathd error
Replies: 3
Views: 401

Re: Updating: scrollpathd error

Ah, I see.

Thank you for the relevant links.
by tvjon
Tue Jan 16, 2018 4:56 pm
Forum: Raspbian
Topic: Updating: scrollpathd error
Replies: 3
Views: 401

Re: Updating: scrollpathd error

Yes,

just tried to update this µSD Stretch & same problem.
by tvjon
Sat Jan 13, 2018 5:36 pm
Forum: Graphics, sound and multimedia
Topic: Managing multiple sound systems
Replies: 10
Views: 1303

Re: Managing multiple sound systems

Thank you for the URL's. Your guiconfig.pic doesn't show the capture tab contents. Is the red dot enabled on it? Also your headphone output is probably 2 of the 8 Speaker outputs on that pic. Looked up your Startech which has mic imputs but no guitar, so how are you connecting it? Did you try feedin...
by tvjon
Fri Jan 12, 2018 10:22 pm
Forum: Graphics, sound and multimedia
Topic: Managing multiple sound systems
Replies: 10
Views: 1303

Re: Managing multiple sound systems

"it must automatically match inputs and outputs" It (usually) finds them but may not get the connecting "wires" right, hence you need to select something lin the left & right panels & click connect. Next name & save the file to storage. "do in_1 and in_2, out_1 and out_2, playback_1 and playback_2 r...
by tvjon
Fri Jan 12, 2018 10:37 am
Forum: Graphics, sound and multimedia
Topic: Managing multiple sound systems
Replies: 10
Views: 1303

Re: Managing multiple sound systems

I don't go anywhere near ~./asoundrc Anyway your Audio device Settings look fine now. You still have no mention of rakarrack in your jack pic's. Reasonably enough, Jack must have knowledge of it or it won't work. In the attached screenshot, notice in Jack's Settings panel that I've set the Output & ...
by tvjon
Thu Jan 11, 2018 10:44 pm
Forum: Graphics, sound and multimedia
Topic: Managing multiple sound systems
Replies: 10
Views: 1303

Re: Managing multiple sound systems

Hmm, what do you mean by jack(2)? ... Did you use the Add button in the patch bay to add stuff or did it just detect everything so it showed up? Install: synaptic then search it for jack. Initially yes, but that was a red herring, so don't do it. You need to make your Startech the default audio dev...
by tvjon
Thu Jan 11, 2018 9:11 pm
Forum: Graphics, sound and multimedia
Topic: Managing multiple sound systems
Replies: 10
Views: 1303

Re: Managing multiple sound systems

We have lift off :) It has some problems though. I tried it initially on Jessie, but no visible input as per your picture. I think now it might work though so if I get time, I'll retry it. I also had a midi keyboard plugged in, but decided too many variables, so removed it. Next popped in a Stretch ...
by tvjon
Tue Jan 09, 2018 4:41 pm
Forum: Graphics programming
Topic: GUI - which graphics library/system to use
Replies: 8
Views: 5531

Re: GUI - which graphics library/system to use

"I would like to use hardware acceleration if it's available... For performance reasons, I don't want to run under a windowing environment, but effectively from the bash command line (or from a startup script)... Please don't suggest Pygame and python. I really DON'T want to learn a new language as ...
by tvjon
Mon Dec 25, 2017 8:23 am
Forum: Raspbian
Topic: Looping multiple videos with OMX player
Replies: 6
Views: 4431

Re: Looping multiple videos with OMX player

You are welcome. Yes, any attached storage that the RPi knows about will work. Also, X-windows is not required, so Raspbian-lite will work for example. Omxplayer is a very useful application. The script can also be used for audio files, so handy in a museum for example. Attached is an improved versi...
by tvjon
Fri Dec 22, 2017 12:51 pm
Forum: Graphics, sound and multimedia
Topic: Ok I have Jack2 installed how do I start it?
Replies: 2
Views: 498

Re: Ok I have Jack2 installed how do I start it?

In a console window,

$ qjackctl

This is in Raspbian stretch:
qjac.jpg
qjac.jpg (64.44 KiB) Viewed 454 times
by tvjon
Sun Dec 17, 2017 5:41 pm
Forum: Graphics, sound and multimedia
Topic: Tips / Recommendations for kids-friendly drawing/editing with a wacom tablet?
Replies: 3
Views: 703

Re: Tips / Recommendations for kids-friendly drawing/editing with a wacom tablet?

Attached is a (poor quality in order to fit the forum size limit) pic' of: mtpaint I have this on an older µSD card, so built the recent version from github, & as you can see, it has tablet support, so you may like to try it. You should be able to build it ok. It took 4 minutes on this RPi 3 I'm pos...
by tvjon
Tue Dec 12, 2017 5:33 pm
Forum: Raspbian
Topic: Mouseclick On The Desktop Brings Up Programs From The Taskbar
Replies: 20
Views: 1791

Re: Mouseclick On The Desktop Brings Up Programs From The Taskbar

I don't think it's the mouse or SD card. It's not just clicking on a bare desktop for me though - any open window can trigger it. I've had this problem since I started to use Stretch, but it's tricky to reproduce & I was hoping it would go away :-) I usually have several terminal windows open in X, ...
by tvjon
Mon Dec 11, 2017 6:26 pm
Forum: Raspbian
Topic: playing HD videos
Replies: 16
Views: 13249

Re: playing HD videos

"I tried to play a video that i made with iMovie (.mov)" Readers here able to help, can't do so without some basic information, which is easy for anyone to provide. The following lines starting with $ are console (terminal) commands you need to type. The text below the command lines is a typical res...
by tvjon
Mon Nov 27, 2017 12:53 pm
Forum: General discussion
Topic: type text to 2 screens
Replies: 9
Views: 854

Re: type text to 2 screens

"Any ideas? All suggestions/solutions are most welcome. This will be my first Raspberry Pi project so anything gentle is ideal!" Hopefully this is reasonably gentle :) The following assumes the 2 receiving RPi's are running Raspbian Stretch & all 3 RPI's are on the same subnet. There's no requiremen...
by tvjon
Mon Nov 13, 2017 3:56 pm
Forum: General discussion
Topic: Rapsberry Pi Cluster
Replies: 5
Views: 840

Re: Rapsberry Pi Cluster

It's also worth reading the pdf detailing the University of Glasgow 300 node RPi cluster.

There's interesting info' regarding their booting philosopy, & their choice of NFS for file sharing amongst nodes.
by tvjon
Sat Oct 21, 2017 11:20 am
Forum: General discussion
Topic: Save energy for a Raspberry
Replies: 12
Views: 1478

Re: Save energy for a Raspberry

Posters interested in power consumption may find this of interest, with contributions from no less a luminary than Professor Steve Furber:

https://www.theregister.co.uk/2017/10/1 ... interview/
by tvjon
Fri Oct 20, 2017 10:27 am
Forum: Graphics, sound and multimedia
Topic: GStreamer: omxh264enc Results in out-of-squence first frame
Replies: 5
Views: 1587

Re: GStreamer: omxh264enc Results in out-of-squence first frame

vlc on iOS11 does play it fine & finishes properly. I can't run High Sierra on my intel "coreduo" mac unfortunately. On RPi, mpv complains but does play it ok, as does avplay. $ mpv omxh264enc_pi.mp4 Playing: omxh264enc_pi.mp4 (+) Video --vid=1 (*) (h264) Using hardware decoding (rpi). VO: [rpi] 640...
by tvjon
Wed Oct 18, 2017 2:05 pm
Forum: Advanced users
Topic: Analogue audio redux
Replies: 73
Views: 19305

Re: Analogue audio redux

Interesting, because the HDMI monitor has now frozen.

No keyboard or mouse input. Ethernet ok.

SSH is still working though! It feels a bit like the Voyager craft :)

Both red & green leds are permanently on.
by tvjon
Wed Oct 18, 2017 1:22 pm
Forum: Advanced users
Topic: Analogue audio redux
Replies: 73
Views: 19305

Re: Analogue audio redux

It looks like it's not only omxplayer which highlights the video freeze & accompanying sawtooth buzz on audio. As you can see from my previously supplied config.txt, vga666 is enabled. I have vlc 2.2.4.1 running experimentally to a vga display just showing a RTSP feed all day. I can't use omxplayer ...

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