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Wed Mar 04, 2015 8:46 am
Forum: Raspbian
Topic: Upgrade to Raspberry 2
Replies: 4
Views: 794

Re: Upgrade to Raspberry 2

Don't need recompile applications after "sudo apt-get dist-upgrade"?
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Wed Mar 04, 2015 8:31 am
Forum: Raspbian
Topic: Upgrade to Raspberry 2
Replies: 4
Views: 794

Upgrade to Raspberry 2

Hello all!

I'm use raspberry b+, but I want to upgrade to raspberry 2. Can I use already installed Raspbian OS at my SD card in Raspberry 2? I have compiled applications for Raspberry B+, can I use them in Raspberry 2 without recompile?

Best regards,
Sergey
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Fri Oct 17, 2014 5:59 am
Forum: OpenMAX
Topic: video_render, how show raw video frame?
Replies: 1
Views: 1861

Re: video_render, how show raw video frame?

solved, source code bellow #define ALIGN(x, y) (((x) + ((y) - 1)) & ~((y) - 1)) OMX_PARAM_PORTDEFINITIONTYPE srcDefenition; memset(&srcDefenition, 0, sizeof(OMX_PARAM_PORTDEFINITIONTYPE)); srcDefenition.nSize = sizeof(OMX_PARAM_PORTDEFINITIONTYPE); srcDefenition.nVersion.nVersion = OMX_VERSION; srcD...
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Wed Oct 15, 2014 12:44 pm
Forum: OpenMAX
Topic: video_render, how show raw video frame?
Replies: 1
Views: 1861

video_render, how show raw video frame?

Hello, all! I need show already decoded YUV420 video frame. I try to use OMX video render, but I got green frames at the display. If set OMX PARAM_PORT DEFINITION TYPE I got error for example: OMX_PARAM_PORTDEFINITIONTYPE srcDefenition; memset(&srcDefenition, 0, sizeof(OMX_PARAM_PORTDEFINITIONTYPE))...
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Tue Oct 14, 2014 6:13 am
Forum: Graphics, sound and multimedia
Topic: Raspberry B+ SDL problems
Replies: 1
Views: 479

Raspberry B+ SDL problems

Hello, all! I develop application based on qt and SDL library. My application use SDL for show video overlay in QWidget for this I use SDL_WINDOWID option. It's working on the "raspberry B" without problem. But performance "raspberry B" is low and I change it "raspberry B+". After install raspbian a...
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Tue Oct 14, 2014 5:59 am
Forum: Graphics, sound and multimedia
Topic: Raspberry B+ xserver warnings
Replies: 2
Views: 903

Raspberry B+ xserver warnings

Hello, all! I bought raspberry PI, install raspbian and ran some commands rpi-update apt-get update apt-get upgrade If run xserver application based on qt, and I got next messages: Xlib: extension "RANDR" missing on display ":0". GLib-GObject-WARNING **: Attempt to add property GtkSettings::gtk-butt...
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Thu Apr 10, 2014 11:27 am
Forum: C/C++
Topic: Qt qxcbconnection xcb error
Replies: 1
Views: 1904

Re: Qt qxcbconnection xcb error

I solved this problem, necessary:
1. create folder: xorg.conf.d in /etc/X11folder
2. create file: screen.conf in xorg.conf.d folder
3. write next section:

Section "ServerFlags"
Option "Xinerama" "true"
EndSection
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Thu Apr 10, 2014 10:39 am
Forum: Raspbian
Topic: Run qt application without xmanager
Replies: 4
Views: 1581

Re: Run qt application without xmanager

Thanks, it's helped

Sergey
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Thu Apr 10, 2014 6:25 am
Forum: Raspbian
Topic: Run qt application without xmanager
Replies: 4
Views: 1581

Re: Run qt application without xmanager

After edit file /etc/X11/default-display-manager and start xserver (run startx) xmanager running again
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Thu Apr 10, 2014 5:53 am
Forum: Raspbian
Topic: Run qt application without xmanager
Replies: 4
Views: 1581

Run qt application without xmanager

Hello,
I want run my qt application under xServer but without xManager(desktop).
Is it possible? How can setup xServer?

Sergey
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Thu Apr 10, 2014 5:49 am
Forum: C/C++
Topic: Qt qxcbconnection xcb error
Replies: 1
Views: 1904

Qt qxcbconnection xcb error

Hello,
after first run qt application I receive next error:qxcbconnection xcb error.
If close application and start again error not observed.
How to solve this problem?

Sergey
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Thu Apr 10, 2014 5:29 am
Forum: OpenMAX
Topic: OpenMAX fault to decode h.264 more than 320x240
Replies: 4
Views: 3927

Re: OpenMAX fault to decode h.264 more than 320x240

Solved, necessary before change component state set resolution for port 130 int cwidth = 640; int cheight = 480; OMX_PARAM_PORTDEFINITIONTYPE srcDefenition; memset(&srcDefenition, 0, sizeof(OMX_PARAM_PORTDEFINITIONTYPE)); srcDefenition.nSize = sizeof(OMX_PARAM_PORTDEFINITIONTYPE); srcDefenition.nVer...
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Wed Apr 09, 2014 7:56 am
Forum: OpenMAX
Topic: OpenMAX fault to decode h.264 more than 320x240
Replies: 4
Views: 3927

Re: OpenMAX fault to decode h.264 more than 320x240

I use 64 mb, but I used more it's not helped

Sergey
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Wed Apr 09, 2014 6:11 am
Forum: OpenMAX
Topic: OpenMAX fault to decode h.264 more than 320x240
Replies: 4
Views: 3927

OpenMAX fault to decode h.264 more than 320x240

Hello, I try to use OpenMax decoder for decode h.264 and display video with using overlay. If I decode video frames with resolution 320x240, it's work perfectly, but if use resolution 640x480 decoding not working. Also I have sometimes deadlock if I try to close decoder. If open video(avi) in omxpla...
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Wed Apr 09, 2014 5:44 am
Forum: HATs and other add-ons
Topic: Adafruit USB audio card for capture sound
Replies: 14
Views: 3524

Re: Adafruit USB audio card for capture sound

Richard, I made several tests 1. Adafruit usb sound card + pc(WinXP) - sound captured is perfectly 2. Adafruit usb sound card + rasberry + usb power hub - sound captured is very bad 3. Adafruit usb sound card + rasberry - sound captured is very bad 4. Adafruit usb sound card + rasberry(usb 1.0 mode ...
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Tue Apr 08, 2014 3:20 pm
Forum: HATs and other add-ons
Topic: Adafruit USB audio card for capture sound
Replies: 14
Views: 3524

Re: Adafruit USB audio card for capture sound

After unplug microphone and record I have small noise my capture settings pi@feedbox ~/sound $ arecord -L null Discard all samples (playback) or generate zero samples (capture) sysdefault:CARD=Device USB PnP Sound Device, USB Audio Default Audio Device front:CARD=Device,DEV=0 USB PnP Sound Device, U...
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Tue Apr 08, 2014 2:29 pm
Forum: HATs and other add-ons
Topic: Adafruit USB audio card for capture sound
Replies: 14
Views: 3524

Re: Adafruit USB audio card for capture sound

Richard, my kernel version is
Linux feedbox 3.10.33+ #659 PREEMPT Wed Mar 19 16:33:57 GMT 2014 armv6l GNU/Linux

captured sound have more noises

Sergey
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Tue Apr 08, 2014 12:00 pm
Forum: HATs and other add-ons
Topic: Adafruit USB audio card for capture sound
Replies: 14
Views: 3524

Re: Adafruit USB audio card for capture sound

Richard, my sound card based on CM108 chipset

Sergey
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Tue Apr 08, 2014 11:15 am
Forum: HATs and other add-ons
Topic: Adafruit USB audio card for capture sound
Replies: 14
Views: 3524

Re: Adafruit USB audio card for capture sound

Sorrowfully.
I checked Logitech webcam C270 and sound capture is very good, why is it so different?

Sergey
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Tue Apr 08, 2014 10:43 am
Forum: HATs and other add-ons
Topic: Adafruit USB audio card for capture sound
Replies: 14
Views: 3524

Re: Adafruit USB audio card for capture sound

Richard, thanks you for your answer!

If change sound adapter at http://www.amazon.co.uk/gp/product/B002 ... 03_s00_i00
capture sound will be same?

Sergey
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Tue Apr 08, 2014 9:28 am
Forum: HATs and other add-ons
Topic: Adafruit USB audio card for capture sound
Replies: 14
Views: 3524

Adafruit USB audio card for capture sound

Hello, I have adafruit sound card http://www.adafruit.com/product/1475 I made setup rapberry for playing sound and it's work perfectly, but I need microphone for capture audio. After plugin microphone I have very bad captured sound (use arecord), may be somebody already configure this card for captu...
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Tue Apr 08, 2014 8:33 am
Forum: Graphics, sound and multimedia
Topic: Combining Microphone input and Raspberry Cam - FFMPEG
Replies: 4
Views: 16664

Re: Combining Microphone input and Raspberry Cam - FFMPEG

Hello, I'm also buy adafruit usb audio card.
The audiocard play sound perfectly, but quality from microphone is very bad, can you tell how to correctly setup microhone?

Sergey
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Mon Jul 01, 2013 7:40 am
Forum: Русский
Topic: Питание от ATX через GPIO
Replies: 6
Views: 7693

Re: Питание от ATX через GPIO

Спасибо, понял, лучше подам через microUSB
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Fri Jun 28, 2013 5:57 am
Forum: Русский
Topic: Питание от ATX через GPIO
Replies: 6
Views: 7693

Re: Питание от ATX через GPIO

А питание для USB идет от системной платы, или сразу из источника питания +5 v берешь?
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Thu Jun 27, 2013 8:20 am
Forum: Русский
Topic: Питание от ATX через GPIO
Replies: 6
Views: 7693

Питание от ATX через GPIO

Всем привет! Хочу отказаться от питания по microUSB и использовать питание через GPIO, вернее даже через PiFace Digital, присмотрел ATX блок питания http://www.morex-case.ru/pdb60r.shtml, что скажете, по мощности даже с избытком, плата не сгорит? Насколько я понял на PiFace Digital https://docs.goog...

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