I am working on an app that uses Airplay mirroring for a second display that has different content to the iPad itself. I'm using an iPad3 and ATV3 (i.e. released March 2012) attached to an LCD capable of 1920x1080 via HDMI.
With Airplay mirroring, the second screen's UIScreen is available through [UIScreen screens] array. I was able to get rid of the black borders by setting overscanCompensation to 3 but I can only display a 1280x720 image. The monitor is working at 1920x1080 (i.e. checked in its menu, set to "Just Scan", and the rest of Apple TV interface is at 1080p).
When I return the availableModes array from UIScreen it only has one item "1280x720"!
Does this mean that iOS 5.1 only supports 1280x720 on the new apple tv for airplay mirroring and not 1080p!? or am I doing something wrong.
Airplay itself only supports streaming in 720p. Here is what some clever guys did to get around it but you need to assemble some hardware.
http://appadvice.com/appnn/2011/03/airplay-1080p-format
EDIT Oops, apparently you CAN stream 1080p, but you can only MIRROR 720p (not enough memory?? I don't know)
Related
We are capturing video from iOS devices and processing it using OpenGL but are encountering a FPS difference between the devices when trying to set them at their maximum rate.
The iPhone 6S and iPad Pro FaceTime cameras are maxing at 60 fps.
The 7+ and iPhone X however are maxing at 30 fps.
It seems unusual that the FPS would decrease with later versions of Apple's hardware. We are trying to figure out if this is a software issue or simply the technical specifications for the frame rate for the FaceTime camera.
We looked on Apple's technical specifications page but the frame rates of the FaceTime cameras aren't listed (though the rear cameras are.) For example:
https://www.apple.com/iphone-6s/specs/
https://www.apple.com/iphone-x/specs/
What are the FPS of the FaceTime Camera for the iPhone 6S vs 7+ vs X vs iPad Pro?
It looks like you’re correct. According to Apple’s iOS Device Compatibility Reference...
iPhone 6s series front camera does up to 60 FPS (all formats)
iPhone 7 series front camera does up to 30 FPS
iPhone 8 series / X front camera does up to 60 FPS, but only in binned formats (so you probably need to set the device’s activeFormat, not just choose a preset)
iPad Pro info is also in the tables at that link.
I have tried many times to upload App Preview video.
But each time I failed.
Please recommend me best tool to convert my video to availble and how to.
Thanks
You must use Safari to upload your video.
I use QuickTime Player to record the screen of my app.
In QuickTime Player you can record in portrait and landscape, but you cannot rotate your screen during the record.
Open QuickTime Player > File > New Movie Recording (then select your device for camera and microfone).
Sample of record screen:
Apple App Preview Video Guidelines
As you can imagine, Apple wants to generate a similar Look & Feel for all videos. Therefore they released some guidelines, which you should mind when creating a preview video.
15-30 seconds length
Maximum file size of 500 mb
.mov, .m4v, .mp4 format
Only use screen capture
No (very less) copy – due to the reason that you can’t internationalize your video and only upload it once in one language
Don’t overlay animated hands, you can use touch hotspots if really necessary
For games: Show more gameplay scenes than cutscenes
You can use voice over – but mind the internationalization part – Apple recommends to only use a very limited and professional voice over if you have to
Your preview video should only contain content for which you have the full rights (don’t show you app streaming content from an iTunes Playlist or a YouTube video)
App Preview Video Format
Now the most important part – which format or size should your video have. As you have already read in my screenshot size article it can be quite frustrating creating a lot screenshots in different sizes.
Apple recommends you to use the following app preview resolutions (this is already a summary, that you have to create the least amount of different video versions):
iPhone 5+ iPhone 6 Plus: 1920 x 1080
iPhone 6: 1334 x 750
iPad: 1200 x 900
I'm facing an issue in broadcasting video from one iPhone to another iPhone.
The issue is when I view the friend's live video in my iPhone, the frame per second(fps) is very low(it is 12fps). Video quality and audio is looking fine but the only problem is fps.
I don't know where I need to config/change the code to convert from variable fps to constant fps. Also to increase the fps as **24/30**.
The resolution I used for broadcasting
RESOLUTION_VGA, // 480x640px (landscape) & 640x480px (portrait)
I'm using following libraries for streaming
MediaLibiOS - link
Ffmpeg-2.2.1
CommLibiOS
libx264-r2409
Wowza is a Media Server and iOS target version is 7.0
Please help !
Thanks in advance.
I'm developing an iPad app that can employ an external monitor. When I plug my iPad 3 into my external monitor, I get back a list of resolutions from the external UIScreen object that includes 1920x1080.
When I do the same with my iPad mini, the max resolution I get back is 1600x900.
This would make me think the iPad mini doesn't support full HD external video, but the Apple specs say this:
Video mirroring and video out support: Up to 1080p through Lightning
Digital AV Adapter and Lightning to VGA Adapter (adapters sold
separately)
...which seems pretty unambiguous that it should support full HD.
Does anyone know what's going on here?
Thanks!
The iPad mini does not HAVE the resolution for 1080p (it has 1024x768 screen resolution while 1080p is 1920x1080 as you mentioned), hence, mirroring does not make sense.
Video playback, on the other hand, should work.
TV resolution can be set in Settings>General>TV Out.
The max resolution shown in that menu is your iPhone or iPad's screen resolution.
I am building a small game for iOS on Flash CS6 and I want to target both iPad and iPhone resolutions, also supporting retina display if possible. I've played with the movie properties and the Air for iOS settings, but I am still in confusion about the screen resolutions. I want to make a HD (retina-enabled) game, and I want to target the non-retina models too. Which resolution should I use? (I'll be having only landscape) Should I go with 2048x1536 (iPad Retina), 1024x768 (iPad non-retina), 960x640 (iPhone/iPod touch retina), or 480x320 pixels (iPhone/iPod touch non-retina)? I've set the resolution to High in Air for iOS settings, left the default resolution (960x640) unchanged, but when I tested it on iPad 3, the resolution wasn't HD, even though my graphics were vector (made in Flash). There was also background color visible around the corners, compensating for the aspect ratio difference of iPhone and iPad. Why can be the App rendering in non-retina resolution even though I've checked it at the settings for iOS? And more importantly, what is the best approach for targeting both screen resolutions in a single app?
Thanks,
Can.
Despite iOS being a resolution dependent OS, stage resolution doesn't matter. It will look the same if the stage resolution was 240x160 or 1920x1280. The device will render the game to it's native resolution. This is why you need to set the resolution in the publish settings: so that flash knows to add support for those resolutions for iOS. Setting the stage to 960x640 should be fine for the iPhone. When it publishes for iPad on the other hand, it will be built to it's native screen resolution, but because the iPhone and iPad have different aspect ratios, the iPad will have more space on the side. Since the game will be in landscape mode, it should be ok to simply put to thick black rectangles on the top and bottom of the stage.
As for the new iPad resolution, Flash isn't powerful enough to support that resolution, it will export to the standard iPad resolution of 1024x768 even if the resolution is set to high in the publish settings.
So pick the stage resolution based off of what device you favor, if you want the app to look best on the iPad's format, go for 1024x768, but the iPhone will have extra space on the sides in landscape mode. The same goes for the iPhone resolution I explained earlier. Although, if you'd like to fully support both, you can try many methods used to position GUI elements on the vast sea of Android Screens based off the Capabilities.screenResolutionX and Capabilities.ScreenResolutionY methods in flash.