Pegasus theme development general
spartan last edited by
@fluffypillow I'm trying to build Android version, but after installing QT Creator and everything else, I get the following error in QT Creator:
Android/Sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-g++: not found
Using Android NDK 19.2.534500
Java SDK 8
@spartan yes, Google removed GCC from the NDK not too long ago. To build using the latest NDK, you'll need at least Qt 5.12, while for older versions, you should use NDK r10e.
@fluffypillow a while back you mentioned that you were going to update theme documentation because of some overhaul did the documentation ever get updated?
@wallmachine not yet, but I do have some plans and outlines for their contents. The current ones ended up a bit massive, so this time I'll likely split things into smaller chapters, which should come sooner (well, once I actually start writing the guide) and easier to follow. I also plan to some add QML tutorials too.
2019-04-23T13:38:09 [i] Theme set to 'Simple theme' (`D:/Pegasus/themes/tutorial-simple/`) 2019-04-23T13:38:09 [i] Program settings saved 2019-04-23T13:38:09 [w] file:///D:/Pegasus/themes/tutorial-simple/theme.qml:29: TypeError: Cannot read property 'shortname' of undefined 2019-04-23T13:38:09 [w] file:///D:/Pegasus/themes/tutorial-simple/theme.qml:44: TypeError: Cannot read property 'index' of undefined 2019-04-23T13:38:09 [w] file:///D:/Pegasus/themes/tutorial-simple/theme.qml:42: TypeError: Cannot read property 'model' of undefined 2019-04-23T13:38:09 [w] file:///D:/Pegasus/themes/tutorial-simple/theme.qml:40: TypeError: Cannot read property 'gameList' of undefined 2019-04-23T13:38:09 [w] file:///D:/Pegasus/themes/tutorial-simple/theme.qml:102: TypeError: Cannot read property 'assets' of undefined 2019-04-23T13:38:09 [w] file:///D:/Pegasus/themes/tutorial-simple/theme.qml:110: TypeError: Cannot read property 'title' of undefined 2019-04-23T13:38:09 [w] file:///D:/Pegasus/themes/tutorial-simple/theme.qml:134: TypeError: Cannot read property 'developer' of undefined 2019-04-23T13:38:09 [w] file:///D:/Pegasus/themes/tutorial-simple/theme.qml:145: TypeError: Cannot read property 'year' of undefined 2019-04-23T13:38:09 [w] file:///D:/Pegasus/themes/tutorial-simple/theme.qml:141: TypeError: Cannot read property 'year' of undefined 2019-04-23T13:38:09 [w] file:///D:/Pegasus/themes/tutorial-simple/theme.qml:152: TypeError: Cannot read property 'summary' of undefined
@fluffypillow I'll see what I can work out thanks.
does pegasus have an A-Z search?
lilbud last edited by
@fluffypillow Got the carousel to line up
Now for the movement
On the switch itself. The carousel starts on the first item on the left, the selector then moves to the left while moving the carousel to the right (I'm uploading a video I took to better explain this) So when the frontend loads, the carousel is selecting the first item rather than the center item.
Video to better explain the movement: https://photos.app.goo.gl/SofY6eK7N64c12uT9
Looking at the video though, it seems the Switch UI is not actually a carousel. See there are two kinds of this linear layout in Pegasus:
- ListView is easier to use but doesn't loop like a carousel (ie. you jump to the beginning/end on the last/first element). This is what the Switch UI uses in the video.
- PathView is somewhat more complex but loops like the ES systems view. That's what the Carousel object in the theme uses under the hood.
So in case you'd like to make it exactly like the Switch you could take a look on ListViews too.
For both of them, you can use
-Endto set the range where you want to keep the selection. The actual value depends on the type of the layout:
- For ListView, they are in pixels, and mean the left and right edge of the area (like on the image above)
- For PathViews, they are in percentage of the whole path, and mean the center point of the leftmost and rightmost item (maybe this animation helps)
Just starting to look into this front end and I have to say it's very very nice. I'm currently looking at getting it working on pi zero and small screen 320x240 Retroflag GPi. I'm just doing small edits to the Game OS theme to try and get it to display on such a tiny screen, and I'm sure I'll run into a lot of small issues because this wasn't the design case for either the front end or the theme. (I love both!). Already I have it looking good and running good, but wondered about the video playing code, it looks like it might be using software video decoding, as I see the pi zero hits 100% cpu whenever video is playing. Is there any way currently to take advantage of hardware video acceleration for playing videos, in a similar way that OMXplayer does?
fluffypillow last edited by fluffypillow
gstreamer1.0-omxshould enable the hardware acceleration, but if I remember correctly it also increased the temperature of the Pi and didn't work well for certain video formats. Support might have got better since then though.
Also if you have some photos or videos, I'd be happy to see Pegasus running on the Retroflag :)
SinisterSpatula last edited by SinisterSpatula
@fluffypillow Awesome, I'll look into that. Does it just start using it automatically, or do I need to change the video playing code to use it somehow? I'm still very much a newbie and learning. I have yet to change the game detail/preview screen but plan to. So far, I think this is looking and running great, and I have much more work to do on it. Here's a video of where I'm at with it currently:
The fork I'm making edit's to (nothing special just commenting stuff out, and changing numbers, etc) is here: https://github.com/SinisterSpatula/gameOS/
PlayingKarrde last edited by
I was planning on making a 240p version since I run it on my arcade machine (a new astro city) but never got around to it. Great to see your progress!
I've made some changes locally that I haven't posted yet that I think might interest you when I get around to it since I've done away with the top description section (like you are doing). It's much cleaner but not quite ready to post as I want people to have the option to switch between them. Adding the settings screen is holding me up and I've just been so busy to head into that chunk of work unfortunately.
I was afraid of this, and it's veering off topic to talk about it, but, on pi Zero, there's an issue when using OMX player where it get's very slow, and it has to do with the audio settings. It appears that the same bug also affects gstreamer1.0-omx. I did some searching about gstreamer but was unable to find any info about changing the audio output device, or how to look at what it is set to. I think the problem is when it sends audio to both analog and HDMI, for some reason it slows it to a crawl. When using the omx-player executable having
-o bothcauses the issue. But I'm stuck as far as how to check for this on gstreamer.
SinisterSpatula last edited by SinisterSpatula
edit: maybe I should be using a scraper that supports pegasus instead, just found: https://retropie.org.uk/forum/topic/11826/versatile-c-game-scraper-skyscraper/1236
@fluffypillow is the metadata conversion tool at https://pegasus-frontend.org/tools/convert/ available in source-code form by chance? There's some issue's that I want to try my hand at fixing, and send back my changes to you. It's currently ignoring some image's and doing some things it shouldn't. (making screenshot's into box2dfront, ignoring wheel image, etc. -- maybe this is only issue for scraper.net format files, not sure).
@SinisterSpatula I'm afraid I'm not that familiar with the inner working of gstreamer, I'm merely an user of it through the video playback engine. Perhaps we could ask the developers what could be the problem?
I'm not yet pleased with the converter site's code enough to publish it, I'd like clean things up and improve testability before that. If you have examples however, or a list of problems I can reproduce, I'd be happy to test them.