Universal Windows Platform

Welcome to the Windows Platform Developer (WPDev) Feedback site. This feedback forum provides the WPDev community with a channel for feedback on the following topics:

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  1. 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…

    2 votes
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      2 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
    • Crash on mobile when two MediaCues have the same start time

      When running a UWP app on Win 10 desktop, I'm able to add two TimedTextCues to a TimedMetadataTrack with the same StartTime, but on mobile it results in a crash. I'm guessing this is a bug because it doesn't produce an understandable exception. If I add the cues to the track before adding the track to mediaSource.ExternalTimedMetadataTracks, the crash happens when adding the track. I reproduced this on Mobile Emulator 10.0.14393.0 WXGA 4.5 inch 1GB and on a Lumia 640 running 10.0.15063.1088.

      Error:

      System.Exception: 'Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED))'

      Minimal repro:

      var mediaSource = MediaSource.CreateFromUri(new Uri("https://mediaplatstorage1.blob.core.windows.net/windows-universal-samples-media/sintel_trailer-480p.mp4")); …

      2 votes
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        1 comment  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
      • MIDI file (.mid) playback support in Groove Music App

        Windows Media Player can play .mid files for a very long time but Groove Music App cannot because WinRT does not have API to play MIDI file.

        2 votes
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          0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
        • 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.

          7 votes
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            0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
          • Api for streaming and recording the camera at the same time.

            I have seen api recording and streaming and previewing the capture from the video. Streaming works well with previewing, but how about being able to do streaming and recording to a file at the same time?

            1 vote
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              0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
            • TimedTextSource.Parsed event or similar

              It would nice to have something like Parsed event in TimedTextSource,
              that allows to configure cues StartTime and Duration properties.
              In Resolved event it is ignored and texts are rendering in old start time.

              1 vote
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                0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
              • HLS playback unstable on build 14393.2248

                Hi,

                I developed an app that plays public HTTP live streams. It worked fine and I used it long time till mid May 2018, when many of HLS streams wouldn't play stable. It plays from few seconds to several minutes than starts hiccuping then finally stops. It reproduces for these streams all the time on Windows Phone 10, as well as Windows Phone Emulator as well as Windows 10 Desktop, all build 14393.

                The "good" streams continue playing smoothly on all those devices.
                The "bad" streams play smoothly on fresh versions of Windows Phone (Lumia 950 XL, build 15xxx), and…

                1 vote
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                  0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
                • Multimedia timer

                  We need a proper multimedia timer to create a good quality midi player/editor. It needs to work as good as the one available in winmm.dll
                  1 ms resolution.

                  3 votes
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                    0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
                  • 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.

                    4 votes
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                      2 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
                    • Fix the WinRT MIDI APIs

                      The new WinRT MIDI APIs are broken and have been since their introduction with no sign of plans to be fixed. In addition, the functionality they provide is still lacking compared to other platforms.

                      There is information on this in the other MIDI topics on this page, and on GitHub if you do an issue search for "winrt midi" or "uwp midi". Please look into how musicians and developers use MIDI and what we would like to be able to do with devices like the Surface, and prioritize giving us the ability to innovate here.

                      3 votes
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                        0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
                      • Add support for other audio formats with spatial audio, at least for panning.

                        Currently you cannot create an Emitter unless you are using 48K Wave audio. Back in DirectSound, you could do L/R panning with any Wave sample-rate. One of the benefits of migrating to AudioGraph is support for mp3 & other files, but if you want do panning, you still have to convert them first. Maybe at least if using the simplified FoldDown mode, panning other file formats could be supported?

                        2 votes
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                          0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
                        • Make the default display setting for external screens a user setting

                          Working in ABO (Activity Based Office) I use different hardware to my Surface all the time. Each time I sit down the display setting for the external screen is to clone but I want it to be extended.

                          My Customer (I'm an Office 365 Consultant) are struggling with the adoption of this new way of working because of simple things like this that annoy and takes 2-10 minutes per person per working spot.

                          I want the screen setting to be an option, where I can set my preferance as a default.

                          2 votes
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                            0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
                          • MediaStreamSample: Add way to create sample from Direct3D Surface

                            It is possible for us to get a D3DDevice from MediaStreamSource, as indicated by admins here:

                            https://wpdev.uservoice.com/forums/110705-universal-windows-platform/suggestions/31915711-mediastreamsource-add-way-to-use-imfgetservice-fr

                            I can verify that this works. But unfortunately it is not possible to create a MediaStreamSample from D3D Surface. So while we can use D3D to do hardware accelerated video decoding, it is not possible to pass the decoded samples (in a surface) to the MF pipeline through MediaStreamSource.

                            Please add an overload to create a MediaStreamSample from a D3D Surface. This will allow us to do full hardware accelerated video decoding.

                            4 votes
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                              0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
                            • Support HLS version 7 so Enterprises can move to Fragmented MP4 backed streams

                              Apple announced support for Fragmented MP4 backed HLS Streams under HLS version 7: https://developer.apple.com/videos/play/wwdc2016/504/ at WWDC 2016.

                              We are looking to change the way our HLS streams are generated and Windows seems to be one of the few platforms that doesn't support playing these type of streams.

                              This will also impede our ability to reuse these fMP4s for MPEG DASH in the future.

                              Can you please add support for this?

                              8 votes
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                                working on it  ·  2 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
                              • Add TimedTextStreamDescriptor to enable subtitles from MediaStreamSource

                                The MediaPlayerElement supports various subtitle formats. But when we play a video file using MediaStreamSource, it is not possible to pass through the subtitle streams, because we cannot create MediaStreamDescriptors for them. So audio and video works, but subtitles don't work.

                                Since subtitles are demuxed on-the-fly during playback, we cannot use TimedTextSource either, this would require the complete stream/file to be available during creation...

                                This would be very helpful to make the MS initiated FFmpegInterop truly unviersally useful.

                                6 votes
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                                  0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
                                • Support Vulkan GPU API on UWP

                                  Vulkan is an open 3D graphics and compute API, supported by many games ( https://en.wikipedia.org/wiki/List_of_games_with_Vulkan_support ) and game engines ( https://en.wikipedia.org/wiki/Vulkan_(API)#Game_engines ).

                                  16 votes
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                                    2 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
                                  • [UWP] Media Player playback cancellation through phone call or other media app

                                    I think I found a problem in Media Player. The problem happens on phone if media player is paused from another media app. In this case will be fired only MediaPlayer.PlaybackSession.PlaybackStateChanged event and it is not possible to detect whether app was paused through user or system. But if phone calls then will be simulated SystemMediaTransportControls pause button click (MediaPlayer.SystemMediaTransportControls.ButtonPressed event) and on phone call I can correctly stop my player and change some states. Why is it so? I think in first case must be fired ButtonPressed event too like it happens on phone call. Please add that capability.

                                    2 votes
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                                      0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
                                    • 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

                                      12 votes
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                                        0 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
                                      • MediaPlayer playback with CustomAudioEffect would be influence by UI thread

                                        I add a CustomAudioEffect which is EQ (I've also tried using official UWP sample's EchoEffect) to MediaPlayer.

                                        Although it seems CustomAudioEffect is running on Worker thread not UI thread, it seems media playback would also be impact when UI loading a bit heavier. I could hear my music become intermittently.

                                        Please fix this.

                                        1 vote
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                                          1 comment  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Read currently played song

                                          I would like to read currently played song or content in Windows 10. Use case: As neither Groove nor Spotify have a lyrics functionality (anymore) I created a simple UWP app to manage lyrics for songs. I would like to add a function that automatically loads the lyrics to the song that is played right now.

                                          To solve that, it would be enough to have read access to the System Media Transport Controls data of other apps. Following data would be great:
                                          - Title
                                          - Artist
                                          - Album cover (optional)
                                          - App name
                                          - Is playing or not
                                          - Is…

                                          17 votes
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                                            3 comments  ·  Audio/Graphics/Media playback  ·  Flag idea as inappropriate…  ·  Admin →
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