Universal Windows Platform

Welcome to the Universal Windows Platform Developer Feedback site. This site provides the Windows developer community with a channel for feedback on the following topics:

  • Windows developer platform (APIs, runtimes, and controls)
  • Dev Center (dashboard, reporting/analytics, submission process, etc.)
  • Microsoft Store

Your suggestions will be reviewed by the Windows platform developer team to help with planning ideas and to better understand how developers are using the platform.

What this forum is not intended to cover or capture:

  • Windows consumer suggestions: Use the Windows Feedback Hub app built directly into Windows 10
  • Documentation on docs.microsoft.com: Sign in at the bottom of the page to give documentation feedback via Github
  • Visual Studio / .NET: Use the Visual Studio UserVoice site

If you’re new to UserVoice, two things to keep in mind are (a) List items (and item rankings) represent community interest in features, and not the actual priority list for the product team; and (b) Suggestions made using this forum will be moderated if they do not actually represent a feature request (or if too many different ideas are included in one suggestion).

How can we improve the Windows dev platform?

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  1. Allow audio from background task without requiring foreground activation

    I would like to have the ability to play audio from background task without requiring the app to be in foreground first.

    Both android and iOS have this feature. This is a road block for alarm clock apps that require custom audio uploaded by the user to be played.

    Details here.

    https://github.com/Microsoft/Windows-universal-samples/issues/1067

    4 votes
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    0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
  2. Wrong Buffer Size in IBasicAudioEffect.ProcessFrame if you use PCM/Float with AAC codec

    If you specify PCM codec in SupportedEncodingProperties and play an AAC encoded file, IBasicAudioEffect.ProcessFrame will give you an array wich has a capacity of 1 sec of audio samples but only contains ca 20ms of audio samples.

    2 votes
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    0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
  3. Enable HDR output mode for MediaPlayerElement for Third-party App

    Fact 1:
    Current only Microsoft Movie & TV app have this capability, when User play HDR video the TV will indicate it's output HDR color format

    Fact 2:
    Microsoft Media Player don't support HDR

    Fact 3:
    so as my Video Player App. even though Hardware decoding HEVC HDR Video Sample will not HDR output , color seems over exposure, beacause not enough Color space availabale.

    Please expose this Feature for Developer, even just as a restricted capability will be sufficent.

    refer to:
    https://blogs.msdn.microsoft.com/chuckw/2017/12/15/directx-and-uwp-on-xbox-one/

    HDR
    UWP on Xbox One apps have limited access to the High-Dynamic Range (HDR) capabilities of the…

    9 votes
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    2 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
  4. Add Directx Sound 3D API

    Add Directx Sound 3D API. This was the best feature ever and allows the Developer to create deeper Worlds and more realistic with hardware Accelerated. The Next Xbox after Xbox X should use a X-Fi CHip with EAX 5 or higer. That would make Windows and Xbox more uniqe.

    1 vote
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    0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
  5. Add ASIO support

    Steinberg distributes ASIO as COM component. UWP apps can access only whitelisted COM and Win32 APIs. Please, either add ASIO to the list of trusted APIs, or add some wrapper for that COM in UWP.

    1 vote
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    0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
  6. UWP C# - Set Subtype "MPEG2TS" to ContainerEncodingProperties throws exception

    ContainerEncodingProperties seems to support "MPEG2TS" video container:
    https://docs.microsoft.com/en-us/uwp/api/windows.media.mediaproperties.containerencodingproperties.subtype#Windows_Media_MediaProperties_ContainerEncodingProperties_Subtype

    Windows 10 and UWP Apps seems to support H.264 encoding with "MPEG2TS" container:
    https://docs.microsoft.com/en-US/windows/uwp/audio-video-camera/supported-codecs

    Why I can't set the Subtype property to "MPEG2TS" in the ContainerEncodingProperties object?

    Target is to live stream the webcam (video and audio) from Raspberry Pi in Windows IoT Core UWP app to a browser use MPEG2TS encoding (MPEG-DASH).

    See my stackoverflow question:
    https://stackoverflow.com/questions/47229957/uwp-c-sharp-http-webcam-live-streaming-server-useing-mpeg-dash

    Code:
    var mediaCapture = new MediaCapture();
    await mediaCapture.InitializeAsync();

    var mediaEncodingProfile = MediaEncodingProfile.CreateMp4(VideoEncodingQuality.HD1080p);

    var containerEncodingProperties = new ContainerEncodingProperties();
    containerEncodingProperties.Subtype = "MPEG2TS";
    //Throws System.ArgumentException: 'Value does not fall within the expected range.'

    mediaEncodingProfile.Container = containerEncodingProperties;

    var…

    1 vote
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    3 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →

    Good catch. Looks like we have a doc bug and implementation bug.

    Docs says that “MPEG2TS” and “MPEG2PS” are valid values. But the implementation currently only recognizes “MPEG2”, which creates a MPEG-2 Program Stream container. To create a MPEG-2 Transport Stream container, one would have to specify the GUID for that container instead of using the friendly name.
    The GUID for MPEG-2 Transport Stream is {e06d8023-db46-11cf-b4d1-00805f6cbbea}

  7. audio troubleshooting

    Have a serious Win10/Realtek ALC887 codec, unsolvable problem with HD audio, recording is a hamster and playback hidden below white noise. Audio troubleshooter tells me all is fine. Device manager says working but events shows it couldn't migrate. Have tried every route including the Mother Board bios. Have edited regedit entries, deleted everything audio and you name it someone has suggested it. It can only be a driver conflict, this is a common problem I am told by MSDN folk, yet troubleshooter cant handle it. Needs some attention.

    1 vote
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    0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
  8. Add ability to pause animated GIF mid way through

    It would be nice to be able to pause an animated GIF at the currently visible point in its animation sequence. Currently it is only possible to stop it, which resets it to the beginning. This is using the BitmapImage class to display the GIF.

    1 vote
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    0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
  9. ASIO

    Can you select ASIO as an input devices?

    1 vote
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    0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
  10. Direct2D color mamagement effect with any rendering intent other than perceptual uses a lot of memory at small scales

    I'm trying to develop a high quality image processing pipeline (for both image display and image conversion) using Direct2D (actually a combination of Win2D, Win2D/Direct2D interop and WIC). This is quite powerful by using effects and CreateImageSourceFromWic which can then handle arbitrary image sizes. However, there are a number of issues. One is that creating a color management effect with any rendering intent other than perceptual and rendering at a scale of about 0.07 or less starts to produce large spikes in memory usage (at least for large images e.g. 5.5k*3.5k). It is especially bad when using HighQualityCubic interpolation, and…

    1 vote
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    0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
  11. AudioFrameInputNode with N channels > 2

    In order to make things more efficient when mixing a lot of synthesized notes, I'd like us to consider having a AudioInputNode that supports N channels, where N could be 8 or more.

    This significantly improves performance when one is attempting to mix multiple synthesized sounds (content that is made on the fly in the AudioFrameInputNode.QuantumStarted event).

    Thanks
    -e

    1 vote
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    0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
  12. mediaplayerelement seekbar hover thumbnail

    This feature is almost available in any web based video player or any Desktop based video player, the feature is simple. When a mediaplayerelement is playing or paused a video. and the user hover overs the seekbar, with mouse, or pen or any other input device for that perspective, wherver is the user mouse, show a small thumbnail of the video file at that specific position, just above the seekbar ( slider ) and as the user moves the mouse along the seekbar, the thumbnail should update accordingly.

    10 votes
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    0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
  13. Virtual MIDI ports

    I'd like to see an API to create virtual MIDI ports built into Windows. The Surface touch screen has tons of possibilities as a MIDI controller, but this currently requires installing a 3rd party driver, which is not a great end user experience. Built in RtpMIDI would be nice too, but at least this would be achievable without a kernel mode driver if we had virtual MIDI ports.

    6 votes
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    3 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
  14. Codecs for UWP Media Element

    uwp Media Element or MediaPlayerElement are fantastic with UI.But their codecs to play different kinds of audio and video files is very limited. Please integrate ffmpeg or vlc libraries by default in these xaml elements to make it easier for developers to build apps that run all kinds of video and audio files.
    Thankyou

    17 votes
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    0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
  15. Add Ogg Vorbis/Opus to AudioEncodingProperties

    It would be extremely helpful to be able to create MediaSourceStreams for audio streams in the Vorbis and/or Opus formats. In my case, I need this functionality for implementing Shoutcast/Icecast functionality.

    14 votes
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    2 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
  16. Add ability to use WASAPI loopback capture.

    Currently UWP can't open WASAPI output devices in capture mode due to COM restrictions. This means loopback auto capture is not supported.

    5 votes
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    1 comment  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
  17. Redesign Audio Drivers to use all available channels (Like ASIO)

    The current Windows Audio driver design only allows you to use 24 channels simulatenously. There are many devices (like a USB-Madi, or Dante Virtual Soundcard) which use at least 64 channels. These channels are not accessible with the current AudioGraph API's. This is a real problem.

    The Playback Devices and Recording Devices section should be merged and more info like samplerate, channelcount and meters for every input and output should be added with a better UI. It should also be possible to easily select the device where you want to play your system sounds but also to select two channels…

    9 votes
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    0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
  18. [Bug] AudioGraph: Gaps and clicks during playback

    To reproduce you may start with official AudioCreation sample from https://github.com/Microsoft/Windows-universal-samples/tree/master/Samples/AudioCreation/cs/AudioCreation
    Use file playback sample or custom effects sample. Depending on hardware, you may hear gaps right after start or you may need load CPU with some additional work, like scrolling UI or running some work in background threads.
    I guess it is result of extremely short quantum size (10ms; even switching between threads could take more time) and too low buffer length (2 quants), but it could be just some synchronization issue.

    8 votes
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    9 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
  19. dvd and Blu Ray Playback support

    There is a very high demand from the users of media applications on Windows 10 to have support of DVD and BLU-RAY playback in the media apps, and currently there is no API which can be used to support that in a uwp app. As a developer I would really appreciate if such an API feature is created for uwp SDK.

    4 votes
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    0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
  20. AdaptiveMediaSource on Windows 1803 not playing SmoothStreaming

    On Windows 1802 compilation 17134 AdaptativeMediaSource is not able to play SmoothStreaming.

    Although the documentation (https://docs.microsoft.com/en-us/windows/uwp/audio-video-camera/adaptive-streaming) says it can play the standard code will produde a format error.

    AdaptiveMediaSourceCreationResult result = await AdaptiveMediaSource.CreateFromUriAsync(uri);

    if (result.Status == AdaptiveMediaSourceCreationStatus.Success)
    {
    ams = result.MediaSource;
    mediaPlayerElement.SetMediaPlayer(new MediaPlayer());
    mediaPlayerElement.MediaPlayer.Source = MediaSource.CreateFromAdaptiveMediaSource(ams);
    mediaPlayerElement.MediaPlayer.Play();
    }

    We are trying to play the preview from AzureMediaServices V2 LiveChannels.

    1 vote
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    1 comment  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
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