Re: [Interest] signing webenginewidgets issue
P.S.: Nevermind – I simply did not wait long enough for the app to be notarized. The solution for me was to only include this key: com.apple.security.cs.allow-jit and then I could sign, notarize and launch. -- http://www.carot.de Email : alexan...@carot.de Tel.: +49 (0)177 5719797 > Gesendet: Samstag, 15. Juni 2024 um 13:44 Uhr > Von: "Alexander Carôt via Interest" > An: "qt qt" > Betreff: [Interest] signing webenginewidgets issue > > Hello all, > > I just saw an issue when signing and notarizing an app containing a web > browser based on webenginewidgets (applies also for the Qt example > minibrowser): > > 1.) Codesigning via > > codesign --options=runtime --deep ./minibrowser.app -s "Developer ID > Application: XXX" > > works fine but breaks the app: Launching minibrowser afterwards makes the > webprocess crash. > > 2.) Including the following keys into an entitlements file: > > com.apple.security.cs.allow-jit > com.apple.security.cs.disable-library-validation > com.apple.security.cs.allow-dyld-environment-variables > com.apple.security.cs.allow-unsigned-executable-memory > > and then signing via > > codesign --options=runtime --entitlements ./entitlements.xml --deep > ./minibrowser.app -s "Developer ID Application: XXX" > > does not lead to the crash anymore and > > codesign --verify --deep --strict --verbose=2 ./minibrowser.app > > tells that all is signed just fine, however, when I package the app as a DMG, > load it up to the web, load it down to my desktop and launch it, it tells me > that the developer cannot be verified – so it basically tells that it is not > signed. > > The same happens when I only include the first key: > > com.apple.security.cs.allow-jit > > but here comes the message that the package cannot be opened because it > cannot be checked in terms of malware etc. > > Can anyone help with this ? > > Thanks a lot in advance, > best > > Alex > > > > > -- > http://www.carot.de > Email : alexan...@carot.de > Tel.: +49 (0)177 5719797 > > ___ > Interest mailing list > Interest@qt-project.org > https://lists.qt-project.org/listinfo/interest > ___ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest
[Interest] signing webenginewidgets issue
Hello all, I just saw an issue when signing and notarizing an app containing a web browser based on webenginewidgets (applies also for the Qt example minibrowser): 1.) Codesigning via codesign --options=runtime --deep ./minibrowser.app -s "Developer ID Application: XXX" works fine but breaks the app: Launching minibrowser afterwards makes the webprocess crash. 2.) Including the following keys into an entitlements file: com.apple.security.cs.allow-jit com.apple.security.cs.disable-library-validation com.apple.security.cs.allow-dyld-environment-variables com.apple.security.cs.allow-unsigned-executable-memory and then signing via codesign --options=runtime --entitlements ./entitlements.xml --deep ./minibrowser.app -s "Developer ID Application: XXX" does not lead to the crash anymore and codesign --verify --deep --strict --verbose=2 ./minibrowser.app tells that all is signed just fine, however, when I package the app as a DMG, load it up to the web, load it down to my desktop and launch it, it tells me that the developer cannot be verified – so it basically tells that it is not signed. The same happens when I only include the first key: com.apple.security.cs.allow-jit but here comes the message that the package cannot be opened because it cannot be checked in terms of malware etc. Can anyone help with this ? Thanks a lot in advance, best Alex -- http://www.carot.de Email : alexan...@carot.de Tel.: +49 (0)177 5719797 ___ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest
[Interest] QtVirtualKeyboard Raspi4 Wayland
Hello all, I tried to get QtVirtualKeyboard running on a Raspi4 (Bookworm / Wayland) with a touch screen but it seems to recognize it as a desktop app: Project ERROR: Could not find feature vkb-desktop. When I force to run it as non-vkb-desktop it compiles fine but when running the binary it says "qt.qpa-plugin: Could not find the Qt platform "wayland in "" " and then complains about numerous non-existing QML files. Before I start researching/fixing I wonder if QtVirtualKeyboard should with Raspi4/Wayland at all. Thanks in advance for hints of any kind, best Alex -- http://www.carot.de Email : alexan...@carot.de Tel.: +49 (0)177 5719797 ___ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest
Re: [Interest] Qt6 build on Raspi
Nevermind: I just created an AWS instance of an ARM machine in order to build and then transfer to the Raspi. This probably is the most simple solution – progress update asap. Best Alex -- http://www.carot.de Email : alexan...@carot.de Tel.: +49 (0)177 5719797 > Gesendet: Montag, 25. März 2024 um 08:06 Uhr > Von: "Alexander Carôt via Interest" > An: ham...@risingsoftware.com > Cc: interest@qt-project.org > Betreff: Re: [Interest] Qt6 build on Raspi > > Hi Hamish, > > >>> https://archive.raspbian.org/raspbian/pool/main/q/qt6-base > > I will give it a try but before I start I wonder if the following modules are > also available because I can't spot them on the directory: > > websockets > webengine > multimedia > multimediawidgets > > Thanks for letting me know, > best > > Alex > > -- > http://www.carot.de > Email : alexan...@carot.de > Tel.: +49 (0)177 5719797 > > > > Gesendet: Sonntag, 10. März 2024 um 08:25 Uhr > > Von: "Hamish Moffatt via Interest" > > An: interest@qt-project.org > > Betreff: Re: [Interest] Qt6 build on Raspi > > > > On 9/3/24 20:57, Alexander Carôt via Interest wrote: > > >>>> ... or build on a system with sufficient RAM. > > > I see – can I use any ARM based machine in order to work on a Raspi4 or > > > are there specific requirements ? > > > > > > Furthermore, I might have missed something but are there probably > > > pre-built Qt6 binaries for Raspi available ? > > > > > It's in Debian 12 (bookworm) and Raspbian bookworm. > > https://archive.raspbian.org/raspbian/pool/main/q/qt6-base/ > > > > That's the open source edition. If you need commercial then I think you > > have to build it yourself on another armhf system. > > > > > > Hamish > > > > ___ > > Interest mailing list > > Interest@qt-project.org > > https://lists.qt-project.org/listinfo/interest > > > ___ > Interest mailing list > Interest@qt-project.org > https://lists.qt-project.org/listinfo/interest > ___ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest
Re: [Interest] Qt6 build on Raspi
Hi Hamish, >>> https://archive.raspbian.org/raspbian/pool/main/q/qt6-base I will give it a try but before I start I wonder if the following modules are also available because I can't spot them on the directory: websockets webengine multimedia multimediawidgets Thanks for letting me know, best Alex -- http://www.carot.de Email : alexan...@carot.de Tel.: +49 (0)177 5719797 > Gesendet: Sonntag, 10. März 2024 um 08:25 Uhr > Von: "Hamish Moffatt via Interest" > An: interest@qt-project.org > Betreff: Re: [Interest] Qt6 build on Raspi > > On 9/3/24 20:57, Alexander Carôt via Interest wrote: > >>>> ... or build on a system with sufficient RAM. > > I see – can I use any ARM based machine in order to work on a Raspi4 or are > > there specific requirements ? > > > > Furthermore, I might have missed something but are there probably pre-built > > Qt6 binaries for Raspi available ? > > > It's in Debian 12 (bookworm) and Raspbian bookworm. > https://archive.raspbian.org/raspbian/pool/main/q/qt6-base/ > > That's the open source edition. If you need commercial then I think you > have to build it yourself on another armhf system. > > > Hamish > > ___ > Interest mailing list > Interest@qt-project.org > https://lists.qt-project.org/listinfo/interest > ___ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest
Re: [Interest] Qt6 build on Raspi
Thanks to Frank, Hamish and Maurice, I tried several options to build on the Raspi itself but it always failed after several hours, thus, for now I will go with the pre-built suggestions below and possibly give it another try on a powerful ARM machine. I will provide feedback asap, best Alex -- http://www.carot.de Email : alexan...@carot.de Tel.: +49 (0)177 5719797 > Gesendet: Sonntag, 10. März 2024 um 17:22 Uhr > Von: "Maurice Kalinowski via Interest" > An: "Hamish Moffatt" , "interest@qt-project.org" > > Betreff: Re: [Interest] Qt6 build on Raspi > > We are about to provide native arm packages soon, including installer, > binaries for the modules, Qt Creator, etc... Actually, you can try these out > as well from your Qt Account Download. > > Please note, that the latest beta had some very rough edges, which we are > fixing until hopefully the 6.7.0 final release. > We're eager to get feedback. > > BR, > Maurice > > > > -Original Message- > > From: Interest On Behalf Of Hamish Moffatt > > via Interest > > Sent: Sunday, 10 March 2024 08:26 > > To: interest@qt-project.org > > Subject: Re: [Interest] Qt6 build on Raspi > > > > On 9/3/24 20:57, Alexander Carôt via Interest wrote: > > >>>> ... or build on a system with sufficient RAM. > > > I see – can I use any ARM based machine in order to work on a Raspi4 or > > > are > > there specific requirements ? > > > > > > Furthermore, I might have missed something but are there probably > > > pre-built > > Qt6 binaries for Raspi available ? > > > > > It's in Debian 12 (bookworm) and Raspbian bookworm. > > https://archive.raspbian.org/raspbian/pool/main/q/qt6-base/ > > > > That's the open source edition. If you need commercial then I think you > > have to build it yourself on another armhf system. > > > > > > Hamish > > > > ___ > > Interest mailing list > > Interest@qt-project.org > > https://lists.qt-project.org/listinfo/interest > ___ > Interest mailing list > Interest@qt-project.org > https://lists.qt-project.org/listinfo/interest > ___ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest
Re: [Interest] Qt6 build on Raspi
>>> ... or build on a system with sufficient RAM. I see – can I use any ARM based machine in order to work on a Raspi4 or are there specific requirements ? Furthermore, I might have missed something but are there probably pre-built Qt6 binaries for Raspi available ? Thanks, best Alex -- http://www.carot.de Email : alexan...@carot.de Tel.: +49 (0)177 5719797 > Gesendet: Freitag, 08. März 2024 um 18:02 Uhr > Von: "Thiago Macieira" > An: interest@qt-project.org > Betreff: Re: [Interest] Qt6 build on Raspi > > On Friday, 8 March 2024 00:20:24 PST Frank Mertens wrote: > > I usually do not build on the Raspberry directly. Modern compilers take ever > > more memory. Another problem might be parallelism of the optimizing link > > stage. Checkout CMAKE_JOB_POOL_LINK and CMAKE_JOB_POOK_COMPILE. > > You probably have to limit both to not run out of memory. > > That's just going to fail the build if the compilers can't get enough memory. > Alexander says he tried to build with -j1 and that still got the system to > freeze. > > Alexander: add more RAM or build on a system with sufficient RAM. > > -- > Thiago Macieira - thiago.macieira (AT) intel.com > Principal Engineer - Intel DCAI Cloud Engineering > ___ > Interest mailing list > Interest@qt-project.org > https://lists.qt-project.org/listinfo/interest > ___ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest
[Interest] Qt6 build on Raspi
Hi all, when compiling qt6 from the current git sources on my Raspi via cmake --build . it turn out that the machine freezes after having compiled about 500 sources: The build is stuck and I cannot ssh to the Raspi from another terminal window anymore, however, I can still ping it. Originally I did a cmake --build . --parallel 4 and then stepwise decreased the amount of threads to 1, however, it did not make any difference. Can anyone help with how to resolve ? I don't care about the duration unless it continues to comopletely freeze. Thanks in advance, best Alex -- http://www.carot.de Email : alexan...@carot.de Tel.: +49 (0)177 5719797 ___ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest
Re: [Interest] server certificate integration
Hi Samuel and Alex, thanks a lot – this already helps ! I just saw that in the basic example the files are being integrated as resources and of course I could theoretically point to the certificate files directly. Best Alex -- http://www.carot.de Email : alexan...@carot.de Tel.: +49 (0)177 5719797 > Gesendet: Montag, 26. Februar 2024 um 16:20 Uhr > Von: "Samuel Gaist" > An: "Alexander Carôt" > Cc: "qt qt" > Betreff: Re: [Interest] server certificate integration > > Hi, > > Why not pass the path to the certificate as a parameter of your application ? > > That way, you can configure it in the startup script of your server and just > need to restart/reload it when the time comes to update the certificate. > > Another possibility is to use a configuration file in which you point your > application to where the certificates are. > > Hope it helps > > Best regards > Samuel > > > On 26 Feb 2024, at 16:11, Alexander Carôt via Interest > > wrote: > > > > Hi all, > > > > I have a secure websocket server based on the Qt example: > > > > https://doc.qt.io/qt-6/qtwebsockets-sslechoserver-example.html > > > > It requires a certificate and a key which are compiled into the server and > > it functions well. > > > > However, whenever the certificate expires (such as Let’s encrypt after 90 > > days) I need to recompile the server with the renewed certificate. > > > > In order to avoid this process I wonder if it is possible to somehow > > externally point to the the new certificates without integration at > > compilation time. > > > > Thanks for any hint, > > best > > > > Alex > > > > -- > > http://www.carot.de > > Email : alexan...@carot.de > > Tel.: +49 (0)177 5719797 > > > > ___ > > Interest mailing list > > Interest@qt-project.org > > https://lists.qt-project.org/listinfo/interest > > ___ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest
[Interest] server certificate integration
Hi all, I have a secure websocket server based on the Qt example: https://doc.qt.io/qt-6/qtwebsockets-sslechoserver-example.html It requires a certificate and a key which are compiled into the server and it functions well. However, whenever the certificate expires (such as Let’s encrypt after 90 days) I need to recompile the server with the renewed certificate. In order to avoid this process I wonder if it is possible to somehow externally point to the the new certificates without integration at compilation time. Thanks for any hint, best Alex -- http://www.carot.de Email : alexan...@carot.de Tel.: +49 (0)177 5719797 ___ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest
Re: [Interest] displaying Qt-coded JPEG image in browser
>> QString encodedString = QString::fromLatin1(finalJpg.toBase64()); Thanks for general comments, hints and especially this working solution ! It does the job very well and besides single images it also works for 25 fps video streams (what I did not expect). Thanks again and all the best Alex -- http://www.carot.de Email : alexan...@carot.de Tel.: +49 (0)177 5719797 > Gesendet: Freitag, 26. Januar 2024 um 16:17 Uhr > Von: "Thiago Macieira" > An: "qt qt" > Cc: "Alexander Carôt" > Betreff: Re: [Interest] displaying Qt-coded JPEG image in browser > > On Friday, 26 January 2024 04:55:59 PST Alexander Carôt via Interest wrote: > > QString jpgBufferString( finalJpg.data() ); > > This here will corrupt the data, because you can't load arbitrary binary data > into QString like this: it's trying to decode as UTF-8 and failing. > > > QString encodedString = jpgBufferString.toUtf8().toBase64(); > > You should encode to Base64 at the QByteArray level first, before going to > QString. So: > > QString encodedString = QString::fromLatin1(finalJpg.toBase64()); > > -- > Thiago Macieira - thiago.macieira (AT) intel.com > Cloud Software Architect - Intel DCAI Cloud Engineering > ___ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest
Re: [Interest] displaying Qt-coded JPEG image in browser
> Hi, maybe passing JPG through fromUtf8() and toUtf8() munges it too > much, what happens if you simplify, instead of: > > QString jpgBufferString( finalJpg.data() ); > QString encodedString = jpgBufferString.toUtf8().toBase64(); > > try: > QString encodedString = finalJpg.data().toBase64(); Hi, would love to do that but this leads to error: member reference base type 'char *' is not a structure or union and if I did: QString jpgBufferString( finalJpg.data() ); QString encodedString = jpgBufferString.toBase64(); I get: error: no member named 'toBase64' in 'QString' ___ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest
[Interest] displaying Qt-coded JPEG image in browser
Hi all, I have a raw image: QImage *img = new QImage(imgBufferOut, reso.width(), reso.height(), QImage::Format_RGB888); that I convert to JPG via QBuffer bufferJpeg; bufferJpeg.open(QIODevice::WriteOnly); img->save(, "JPEG"); finalJpg = bufferJpeg.data(); Now I transfer the content finalJpg in form of a Base64 encoded QString via a websocket to a web browser. Within the browser it should be displayed via const imageDataUri = "data:image/jpeg;base64," + msg.jpgBuffer; videoImage.src = imageDataUri; Now my question is how should I create the required sting ? I tried: QString jpgBufferString( finalJpg.data() ); QString encodedString = jpgBufferString.toUtf8().toBase64(); but this does not decode the image and simply shows the broken image icon in the browser. Can anyone help with this ? Thanks in advance, best Alex -- http://www.carot.de Email : alexan...@carot.de Tel.: +49 (0)177 5719797 ___ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest
[Interest] external QWebEngine content rendering ?
Hello all, probably some kind of uncommon question but I will give it a try: I have an app that integrates a QWebEngine webbrowser. It instantiates the browser calls within main at the beginning which launches the browser and then instantiates another class which works as an audio/video transmission core engine. The core engine uses the webbrowser as its graphical interface using a websocket on localhost as its technical interface. The core engine generates video which so far has been displayed via a conventional Qt GUI video window – and this is what I'd like to change: Instead of the Qt app window I want to have the video data being displayed within the browser, however, I'd like to avoid transfering this massive amount of data via the websocket interface. Therefore, I wonder if (maybe) there is a way to externally render the browser's content directly from the core engine class' generated video data. Any (also alternative) hint appreciated, best Alex -- http://www.carot.de Email : alexan...@carot.de Tel.: +49 (0)177 5719797 ___ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest
