tag:blogger.com,1999:blog-3944174827064012298.post6011514359478644975..comments2023-12-19T16:55:37.721+01:00Comments on The Bugfree Blog ;-): Experimenting with Pi3 optimisations - POT 5.6.0-beta1 with Qt 5.8.0 built for armv8 with GCC 4.9.4Luca Carlonhttp://www.blogger.com/profile/05071568155815750619noreply@blogger.comBlogger22125tag:blogger.com,1999:blog-3944174827064012298.post-32329765523424750412017-09-28T08:56:53.596+02:002017-09-28T08:56:53.596+02:00Hello, POT does not currently support that. It may...Hello, POT does not currently support that. It may be possible to add support but it requires a bit of work.Luca Carlonhttps://www.blogger.com/profile/05071568155815750619noreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-78053760740066606382017-09-28T04:30:14.824+02:002017-09-28T04:30:14.824+02:00Hi, ¿Is there a way to use a USB sound card o Rasp...Hi, ¿Is there a way to use a USB sound card o RaspiPlay4 ( https://shop.mikroe.com/raspyplay4-board ) with POT? I am working on a project related with music, and the musicians of the project are saying that the audio playback is not good enough. Thanks for any hint about the way to do this.Figueroahttps://www.blogger.com/profile/13704316767308639114noreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-67444541583482749892017-07-15T00:51:53.172+02:002017-07-15T00:51:53.172+02:00Precompiled binaries are built for armv7 or armv8....Precompiled binaries are built for armv7 or armv8. I guess zero is a armv6, so you need to build POT accordingly.Luca Carlonhttps://www.blogger.com/profile/05071568155815750619noreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-37028462390958516472017-07-14T10:15:25.967+02:002017-07-14T10:15:25.967+02:00Yo! I have tested your lib on Rpi3 and it works pe...Yo! I have tested your lib on Rpi3 and it works perfectly, thanks man. Really nice job. <br />But is it possible to use PoT on Raspberry Pi Zero? As far as I know Rpi0 can play FullHD video in 30 fps. Can I use precompiled binaries for it or what should I do to run Qt app with PoT on it?Anonymoushttps://www.blogger.com/profile/11638563757307717143noreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-79549447765024838442017-07-06T22:50:04.464+02:002017-07-06T22:50:04.464+02:00You can use builds for the qtmultimedia driver on ...You can use builds for the qtmultimedia driver on Raspbian (like the one on this page). Refer to the overview for an index: http://thebugfreeblog.blogspot.it/p/overview-of.html. For the web I never completed the implementation so you are on your own.Luca Carlonhttps://www.blogger.com/profile/05071568155815750619noreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-47598688643303883322017-07-06T17:57:07.467+02:002017-07-06T17:57:07.467+02:00Hi Luca
I am newbie and don't have much inform...Hi Luca<br />I am newbie and don't have much information about Linux/Unix ...<br />I read your articles and get confused!<br />I have just one RPi3 and i need to play video by qt program which i make it.<br />My project has two section,one for playing in player(omxplayer or qtmultimedia),and other one for playing in web(by omx or qtwebengine or ...).<br />Which article of your blog is suitable for me?!<br /><br />thanksAnonymoushttps://www.blogger.com/profile/03097057194088358453noreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-14885828205289223622017-06-15T05:15:47.971+02:002017-06-15T05:15:47.971+02:00Hello, there is an env variable you can use for th...Hello, there is an env variable you can use for that. Search that in old articles.Luca Carlonhttps://www.blogger.com/profile/05071568155815750619noreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-67763893116625931892017-06-15T00:35:32.138+02:002017-06-15T00:35:32.138+02:00Hey, I don't know where to ask this, so I will...Hey, I don't know where to ask this, so I will try here: How can I programatically force the audio output (to local 3.5mm port) when using QML MediaPlayer with piOMXTextures backend ?Anonymoushttps://www.blogger.com/profile/16688721867202130959noreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-9395286780571028572017-06-07T22:28:11.867+02:002017-06-07T22:28:11.867+02:00Not sure sorry. I'm not sure I ever used mouse...Not sure sorry. I'm not sure I ever used mouse interaction.Luca Carlonhttps://www.blogger.com/profile/05071568155815750619noreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-62399050993544996862017-06-07T19:55:52.860+02:002017-06-07T19:55:52.860+02:00Dear Luca,
I was following your project and https...Dear Luca,<br /><br />I was following your project and https://github.com/Kukkimonsuta/rpi-buildqt helped me to get everything compiled for 5.8.<br />However regarding qtwebengine I experience exactly the same behavior as André: I can load a page and navigate using SPACE, TAB and ENTER and even start youtube videos. But clicks and mouseover are not working in the web area.<br />Did it work for you?Severin Puschkarskihttps://www.blogger.com/profile/07225229739996568805noreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-41137219676619936022017-06-01T20:21:56.034+02:002017-06-01T20:21:56.034+02:00It means the UI did not have the time to show one ...It means the UI did not have the time to show one frame.<br />You need to build the plugin disabling the macro for the warnings. You can find it in the logging header.Luca Carlonhttps://www.blogger.com/profile/05071568155815750619noreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-53839468324578076872017-06-01T11:12:10.981+02:002017-06-01T11:12:10.981+02:00Luca, hi.
How can i turn off warnings (not all - o...Luca, hi.<br />How can i turn off warnings (not all - only video warnings)? Like: "One frame couldn't be shown.".<br />And what does it means? My video is broken?panushkinhttps://www.blogger.com/profile/01327719616048944521noreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-35639888341247814802017-05-31T15:34:05.674+02:002017-05-31T15:34:05.674+02:00This comment has been removed by the author.panushkinhttps://www.blogger.com/profile/01327719616048944521noreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-44998720949195342412017-05-04T14:00:24.620+02:002017-05-04T14:00:24.620+02:00That is the latest guide I wrote. You need to buil...That is the latest guide I wrote. You need to build a regular Qt project depending on ffmpeg.Luca Carlonhttps://www.blogger.com/profile/05071568155815750619noreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-53925057224628574292017-05-03T14:38:35.113+02:002017-05-03T14:38:35.113+02:00Ok, I will try to build it.
Is this guide still va...Ok, I will try to build it.<br />Is this guide still valid? <br />http://thebugfreeblog.blogspot.co.at/p/build-procedure-for-piomxtextures.html <br /><br />Seems a bit old, but I can not find another one.<br /><br />Do I understand it right, I first have to build Qt according to a crosscompile guide (https://wiki.qt.io/RaspberryPi2EGLFS)<br />And then I apply your steps?<br /><br />Thank you very much!<br />AndréAndrénoreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-49987453971378053912017-04-27T23:07:37.579+02:002017-04-27T23:07:37.579+02:00Hello,
camera requires the proper plugin. You can ...Hello,<br />camera requires the proper plugin. You can build it. Also, look into the plugins directory, sometimes I build that as well.<br />No idea for 2, sorry.<br />Regards.Luca Carlonhttps://www.blogger.com/profile/05071568155815750619noreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-34598448459915676082017-04-25T21:11:01.874+02:002017-04-25T21:11:01.874+02:00Dear Luca,
thank you very much for your great effo...Dear Luca,<br />thank you very much for your great effort bringing HW accelerated Qt to the Raspberry!<br /><br />Unfortunatly I have 2 problems right now:<br /><br />1) Camera Module seems to not be present: defaultServiceProvider::requestService(): no service found for - "org.qt-project.qt.camera"<br /><br />2) When using QtWebEngine, the website (any) loads as expected, but I can not click on any link (mouseover also doesn't change to handshaped cursor)<br /><br />Both bugs do not appear in my application if I compile regular Qt following the Qt Raspi EGLFS guide. (But then of course QtMultimedia performance is really bad)<br /><br />Am I missing something?<br /><br />Thank you very much,<br />AndréAndrénoreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-75360035311493590062017-03-29T16:23:14.117+02:002017-03-29T16:23:14.117+02:00sorry for my mistake, Luca...
https://gstreamer.fr...sorry for my mistake, Luca...<br />https://gstreamer.freedesktop.org/releases/gst-omx/1.0.0.html<br />gstreamer OMX plugin, not imx :-)<br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-49484469585739299422017-03-29T14:14:59.628+02:002017-03-29T14:14:59.628+02:00i.MX 6? This article is related to Raspberry Pi, n...i.MX 6? This article is related to Raspberry Pi, not i.MX 6.Luca Carlonhttps://www.blogger.com/profile/05071568155815750619noreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-39120737091796641242017-03-29T10:07:33.878+02:002017-03-29T10:07:33.878+02:00Qt multimedia is based on gstreamer
This is IMX pl...Qt multimedia is based on gstreamer<br />This is IMX plugin:<br />https://github.com/Freescale/gstreamer-imx<br />I will try last versions ...may be video suppoort is good enought for raspberry pi 3.<br /><br />POT is a fantastic work...but is GPL, so we can't use in comercial products (closed source)...<br /><br />QT/QML is LGPL, less restrictiveAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-70109957769290340792017-03-28T19:39:35.685+02:002017-03-28T19:39:35.685+02:00Not sure what IMX plugin is.
POT is GPL, but I thi...Not sure what IMX plugin is.<br />POT is GPL, but I think you can use it in commercial products, just do not distribute. The user must install after first boot.Luca Carlonhttps://www.blogger.com/profile/05071568155815750619noreply@blogger.comtag:blogger.com,1999:blog-3944174827064012298.post-35709995416840192412017-03-28T18:00:39.625+02:002017-03-28T18:00:39.625+02:00Great Job!!!
Do you think that a cleat Qt build w...Great Job!!!<br /><br />Do you think that a cleat Qt build with last versions of gstreamer with IMX pluin (debian testing 2017 packages) can be good enought to implement a video software using Qt QML LGPL ?<br /><br /><br /><br />Have you a comercial license (non GPL) for POT?<br /><br />Regards<br />MiguelAnonymousnoreply@blogger.com