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Yesterday I was tinkering in Word and my custom Document_ContentControlOnChange event
and developed a relatively simple method to use that technique to create mutually exclusive content control checkboxes:
- Automatic provisioning in Visual Studio for Mac will now attempt to create and use wildcard App ID and provisioning profiles by default, instead of creating an App ID.
- Hi there, I've written out the situation on StackOverFlow. But essentially, I'm writing a MultiDataTrigger from inside a treeviewitem style. And I want that trigger to fire EVERY TIME it's parent Item Control's collection changes.
I shared it with a long-time Word MVP and his comment was 'Best thing I've seen in six months. Very Nice!'
I'm just a dabbler in VBA and I certainly don't consider myself a programmer. If I am able to cobble together things like this, I can't understand why Microsoft won't incorporate a built-in Document_ContentControlOnChange event in the application!
Developer Community for Visual Studio Product family. Marking an event handler as obsolete (with compiler errors) will not trigger a compilation failure when the Winforms designer references that handler.
I consider content controls the 'crown jewels' of Word. That said, and as versatile as they are, Microsoft has left them unfinished. I know that there has been a call for a change event since the content controls were introduced in Word 2007? Why after two versions later is it still glaringly absent?
Hoping some moderator/MS employee will see this and forward it to the product team and that the product team will finally take long overdue action fix it or at least explain why they can't/won't.
Visual Studio For Mac Subscribe To Eventhandler Triggers
-->Note
No new features or functionality are being added to Media Services v2.
Check out the latest version, Media Services v3. Also, see migration guidance from v2 to v3
Check out the latest version, Media Services v3. Also, see migration guidance from v2 to v3
Azure Media Services support offline download/playback with DRM protection. This article covers offline support of Azure Media Services for Windows 10/PlayReady clients. You can read about the offline mode support for iOS/FairPlay and Android/Widevine devices in the following articles:
Overview
This section gives some background on offline mode playback, especially why:
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- In some countries/regions, Internet availability and/or bandwidth is still limited. Users may choose to download first to be able to watch content in high enough resolution for satisfactory viewing experience. In this case, more often, the issue is not network availability, rather it is limited network bandwidth. OTT/OVP providers are asking for offline mode support.
- As disclosed at Netflix 2016 Q3 shareholder conference, downloading content is a “oft-requested feature”, and “we are open to it” said by Reed Hastings, Netflix CEO.
- Some content providers may disallow DRM license delivery beyond a country/region's border. If a user needs to travel abroad and still wants to watch content, offline download is needed.
The challenge we face in implementing offline mode is the following:
- MP4 is supported by many players, encoder tools, but there is no binding between MP4 container and DRM;
- In the long term, CFF with CENC is the way to go. However, today, the tools/player support ecosystem is not there yet. We need a solution, today.
Visual Studio For Mac Subscribe To Eventhandler Triggered
The idea is: smooth streaming (PIFF) file format with H264/AAC has a binding with PlayReady (AES-128 CTR). Individual smooth streaming .ismv file (assuming audio is muxed in video) is itself a fMP4 and can be used for playback. If a smooth streaming content goes through PlayReady encryption, each .ismv file becomes a PlayReady protected fragmented MP4. We can choose an .ismv file with the preferred bitrate and rename it as .mp4 for download.
There are two options for hosting the PlayReady protected MP4 for progressive download:
- One can put this MP4 in the same container/media service asset and leverage Azure Media Services streaming endpoint for progressive download;
- One can use SAS locator for progressive download directly from Azure Storage, bypassing Azure Media Services.
You can use two types of PlayReady license delivery:
- PlayReady license delivery service in Azure Media Services;
- PlayReady license servers hosted anywhere.
Below are two sets of test assets, the first one using PlayReady license delivery in AMS while the second one using my PlayReady license server hosted on an Azure VM:
Asset #1:
- Progressive download URL: https://willzhanmswest.streaming.mediaservices.windows.net/8d078cf8-d621-406c-84ca-88e6b9454acc/20150807-bridges-2500_H264_1644kbps_AAC_und_ch2_256kbps.mp4
- PlayReady LA_URL (AMS): https://willzhanmswest.keydelivery.mediaservices.windows.net/PlayReady/
Asset #2:
- Progressive download URL: https://willzhanmswest.streaming.mediaservices.windows.net/7c085a59-ae9a-411e-842c-ef10f96c3f89/20150807-bridges-2500_H264_1644kbps_AAC_und_ch2_256kbps.mp4
- PlayReady LA_URL (on-prem): https://willzhan12.cloudapp.net/playready/rightsmanager.asmx
For playback testing, I used a Universal Windows Application on Windows 10. In Windows 10 Universal samples, there is a basic player sample called Adaptive Streaming Sample. All we have to do is to add the code for us to pick downloaded video and use it as the source, instead of adaptive streaming source. The changes are in button click event handler:
Since the video is under PlayReady protection, the screenshot will not be able to include the video.
In summary, we have achieved offline mode on Azure Media Services:
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- Content transcoding and PlayReady encryption can be done in Azure Media Services or other tools;
- Content can be hosted in Azure Media Services or Azure Storage for progressive download;
- PlayReady license delivery can be from Azure Media Services or elsewhere;
- The prepared smooth streaming content can still be used for online streaming via DASH or smooth with PlayReady as the DRM.