entityMap|0|type|LINK|mutability|MUTABLE|data|url|http://weblogs.asp.net/scottgu/archive/2013/06/14/windows-azure-major-updates-for-mobile-backend-development.aspx|1|http://www.infoq.com/articles/the_edge_of_net_and_node|2|http://www.asp.net/signalr|3|http://www.windowsazure.com/en-us/develop/nodejs/how-to-guides/blob-storage/|4|https://stackoverflow.com/questions/9328448/how-to-stream-a-windows-azure-blob-to-the-client-using-node-js|5|https://stackoverflow.com/questions/16644079/getting-contents-of-a-streaming-blob-to-be-sent-to-a-node-js-server|6|http://msdn.microsoft.com/en-us/magazine/dn198240.aspx|7|https://github.com/WindowsAzure/azure-sdk-for-node|blocks|key|b6of3|text|我有一个小的解决方案，但我认为它需要你的一些工作，也许你不会喜欢它，如何与Windows+Azure移动服务合作。它现在支持添加NPM，我告诉你使用Windows+Azure+Mobile服务的原因是，无论使用什么应用程序平台，它都可以帮助你连接到客户端。http://weblogs.asp.net/scottgu/archive/2013/06/14/windows-azure-major-updates-for-mobile-backend-development.aspx要在.Net和Node之间集成，我认为可以从使用Edge或signalR开始。http://www.infoq.com/articles/the\_edge\_of\_net\_and\_nodehttp://www.asp.net/signalr我只想提出一个想法，它可能有助于解决Node+Js中缺乏对媒体服务的支持的问题，那就是使用Blob存储进行流媒体。毕竟，我认为媒体服务是基于Blob存储的。这里有一个链接，它将指导您使用blob存储。http://www.windowsazure.com/en-us/develop/nodejs/how-to-guides/blob-storage/这里还有一个关于如何使用Node+JS从blob存储中流的问题，希望您能从中受益。如何使用Node.js?将Windows+Azure+Blob流式传输到客户端|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|92juf|获取要发送到Node.js+Server的流式Blob的内容|66bgs|这里还有另一个链接，它将帮助你做到这一点：“使用Node.js媒体代理为视频斑点提供地理保护”http://msdn.microsoft.com/en-us/magazine/dn198240.aspx只是想确保你得到了Windows+Azure+Node+Js+SDK，你可能会找到一些解决方案来帮助你开发你的应用程序。https://github.com/WindowsAzure/azure-sdk-for-node我希望我的回答能帮助你让我知道你还需要什么。^0|3K|35|0|7S|1N|1|9F|Q|2|CX|24|3|G6|C|4|0|0|K|5|0|1B|1I|6|4H|1E|7^^$0|$1|$2|3|4|5|6|$7|8]]|9|$2|3|4|5|6|$7|A]]|B|$2|3|4|5|6|$7|C]]|D|$2|3|4|5|6|$7|E]]|F|$2|3|4|5|6|$7|G]]|H|$2|3|4|5|6|$7|I]]|J|$2|3|4|5|6|$7|K]]|L|$2|3|4|5|6|$7|M]]]|N|@$O|P|Q|R|2|S|T|12|U|@]|V|@$W|13|X|14|O|15]|$W|16|X|17|O|18]|$W|19|X|1A|O|1B]|$W|1C|X|1D|O|1E]|$W|1F|X|1G|O|1H]]|6|$]]|$O|Y|Q|Z|2|S|T|1I|U|@]|V|@$W|1J|X|1K|O|1L]]|6|$]]|$O|10|Q|11|2|S|T|1M|U|@]|V|@$W|1N|X|1O|O|1P]|$W|1Q|X|1R|O|1S]]|6|$]]]]

I have a small solution but I think it will require some work from you, maybe you wont like it that much, how about working with Windows Azure Mobile services. it support adding NPM now, the reason that I am telling you to use the Windows Azure Mobile services is that it will help you connect to your clients whatever was the application platform used.

<a href="http://weblogs.asp.net/scottgu/archive/2013/06/14/windows-azure-major-updates-for-mobile-backend-development.aspx" rel="nofollow noreferrer">http://weblogs.asp.net/scottgu/archive/2013/06/14/windows-azure-major-updates-for-mobile-backend-development.aspx</a>

to integrate between the .Net and Node Js you can start by using Edge JS or signalR I think.
<a href="http://www.infoq.com/articles/the_edge_of_net_and_node" rel="nofollow noreferrer">http://www.infoq.com/articles/the_edge_of_net_and_node</a>
<a href="http://www.asp.net/signalr" rel="nofollow noreferrer">http://www.asp.net/signalr</a>

I just want to suggest an idea that might be helpful to work around the lack of support of Media services in Node Js is that you use Blob storage for streaming. after all the Media Services is based on the Blob storage I think. here is a link that will guide you with the usage of the blob storage.

<a href="http://www.windowsazure.com/en-us/develop/nodejs/how-to-guides/blob-storage/" rel="nofollow noreferrer">http://www.windowsazure.com/en-us/develop/nodejs/how-to-guides/blob-storage/</a>

here is also a question posted before about how to stream from blob storage using Node JS I hope you find it beneficial.

<a href="https://stackoverflow.com/questions/9328448/how-to-stream-a-windows-azure-blob-to-the-client-using-node-js">How to stream a Windows Azure Blob to the client using Node.js?</a>
<a href="https://stackoverflow.com/questions/16644079/getting-contents-of-a-streaming-blob-to-be-sent-to-a-node-js-server">Getting contents of a streaming Blob to be sent to a Node.js Server</a>

here is also another link that will help you to do so "Geo-Protection for Video Blobs Using a Node.js Media Proxy"
<a href="http://msdn.microsoft.com/en-us/magazine/dn198240.aspx" rel="nofollow noreferrer">http://msdn.microsoft.com/en-us/magazine/dn198240.aspx</a>

Just wanted to make sure that you got the Windows Azure Node Js SDK, you might find some solutions that can help you with the development of you application.
<a href="https://github.com/WindowsAzure/azure-sdk-for-node" rel="nofollow noreferrer">https://github.com/WindowsAzure/azure-sdk-for-node</a>

I hope my answer helps you let me know if you need anything else.

entityMap|0|type|LINK|mutability|MUTABLE|data|url|http://msdn.microsoft.com/en-us/library/windowsazure/hh973617.aspx|1|http://www.windowsazure.com/en-us/develop/nodejs/how-to-guides/blob-storage/|2|http://channel9.msdn.com/Series/Windows-Azure-Media-Services-Tutorials/Introduction-to-dynamic-packaging|3|http://www.ezdrm.com/|4|http://msdn.microsoft.com/en-us/library/windowsazure/dn223278.aspx|blocks|key|9tr85|text|要正确回答您的问题，需要回答的问题很少。|unstyled|depth|inlineStyleRanges|entityRanges|f8q9u|1.您将在azure媒体服务之上提供哪些功能。从你的问题看，主要目标似乎是让用户上传资产，让他们有能力流式上传内容。|7ipul|为此，您需要在节点js中实现以下步骤。|ds27|通过调用REST+API在Azure媒体服务(WAMS)中创建资产和资产文件记录。http://msdn.microsoft.com/en-us/library/windowsazure/hh973617.aspx创建访问策略和定位器，它将提供需要上传文件的blob存储的URI。WAMS+REST+API|unordered-list-item|offset|length|3vmdu|使用node.js将文件上传到blob存储http://www.windowsazure.com/en-us/develop/nodejs/how-to-guides/blob-storage/|5jdvq|创建编码作业，将您的输入编码为多比特率mp4。WAMS+REST+API|f2kqd|将您的多码率mp4打包为平滑或HLS格式，或者利用WAMs中的动态打包功能。http://channel9.msdn.com/Series/Windows-Azure-Media-Services-Tutorials/Introduction-to-dynamic-packaging|9kgs3|一旦你准备好流式传输你的内容，你需要给用户客户端回放url指向源服务器。为此，您必须调用WAMS+REST+API并创建原点定位器|j53m|​|527np|Assets公开了ID和AlternativeID属性，您可以使用这些属性将关于内容的元数据与WAMS资产进行映射，并实现任何附加的content+Management逻辑。|bf30k|如果你有一些基于用户的身份验证，并且不想让单独的azure媒体帐户专用于一个用户，那么你需要充当代理。WAMS为资产摄取、编码、打包、按需交付提供基本块，并在不久的将来用于直播流。|8utem|它可以作为您的cms系统的基础，或者您可以通过添加额外的身份验证和授权层来充当SSAS提供商。目前，您可以使用第三方产品http://www.ezdrm.com/用于播放DRM保护或您自己的许可证服务器http://msdn.microsoft.com/en-us/library/windowsazure/dn223278.aspx..。^0|0|0|0|15|1U|0|0|L|24|1|0|0|12|2W|2|0|0|0|0|0|1O|L|3|2T|1U|4^^$0|$1|$2|3|4|5|6|$7|8]]|9|$2|3|4|5|6|$7|A]]|B|$2|3|4|5|6|$7|C]]|D|$2|3|4|5|6|$7|E]]|F|$2|3|4|5|6|$7|G]]]|H|@$I|J|K|L|2|M|N|1F|O|@]|P|@]|6|$]]|$I|Q|K|R|2|M|N|1G|O|@]|P|@]|6|$]]|$I|S|K|T|2|M|N|1H|O|@]|P|@]|6|$]]|$I|U|K|V|2|W|N|1I|O|@]|P|@$X|1J|Y|1K|I|1L]]|6|$]]|$I|Z|K|10|2|W|N|1M|O|@]|P|@$X|1N|Y|1O|I|1P]]|6|$]]|$I|11|K|12|2|W|N|1Q|O|@]|P|@]|6|$]]|$I|13|K|14|2|W|N|1R|O|@]|P|@$X|1S|Y|1T|I|1U]]|6|$]]|$I|15|K|16|2|M|N|1V|O|@]|P|@]|6|$]]|$I|17|K|18|2|M|N|1W|O|@]|P|@]|6|$]]|$I|19|K|1A|2|M|N|1X|O|@]|P|@]|6|$]]|$I|1B|K|1C|2|M|N|1Y|O|@]|P|@]|6|$]]|$I|1D|K|1E|2|M|N|1Z|O|@]|P|@$X|20|Y|21|I|22]|$X|23|Y|24|I|25]]|6|$]]]]

To proper answer your question there are few questions need to be answered.

1.What functionality are you going to provide on top of azure media services. From your question it seems that main goal to let users to upload asset and them to have ability to stream uploaded content. 

For this purpose you need to have following steps to be implemented in node js. 

<ul>
<li>Create asset and asset files records in Azure Media Service(WAMS) by calling REST API. <a href="http://msdn.microsoft.com/en-us/library/windowsazure/hh973617.aspx" rel="nofollow">http://msdn.microsoft.com/en-us/library/windowsazure/hh973617.aspx</a></li>
<li>Create access policy and locator which will give URI of blob storage where file needs to be uploaded. WAMS REST API</li>
<li>Upload file using node.js to blob storage <a href="http://www.windowsazure.com/en-us/develop/nodejs/how-to-guides/blob-storage/" rel="nofollow">http://www.windowsazure.com/en-us/develop/nodejs/how-to-guides/blob-storage/</a></li>
<li>Create encoding job which will encode you input into multi bitrate mp4. WAMS REST API</li>
<li>Package your multi bitrate mp4 to smooth or HLS format or utilize dinamic packaging feature in WAMs. <a href="http://channel9.msdn.com/Series/Windows-Azure-Media-Services-Tutorials/Introduction-to-dynamic-packaging" rel="nofollow">http://channel9.msdn.com/Series/Windows-Azure-Media-Services-Tutorials/Introduction-to-dynamic-packaging</a>
<ul>
<li>Once you ready to stream your content you need to give user client playback url pointing to origin server. In order to do this you have to call WAMS REST API and create origin locator</li>
</ul></li>
</ul>

Assets are exposing ID and AlternativeID properties which you can use to map your metadata about content with WAMS assets and implement any additional Content Management logic.

You need to act as proxy if you have some user based authentication and don't want to have dedicate separate azure media account to one user. WAMS provides basic blocks for asset ingest, encode, package, ondemand delivery and in nearest future for live streaming.

It can be used as foundation for your cms system or you can act SSAS provider by adding additional authentication, authorization layer. Currently you can use third party offerings <a href="http://www.ezdrm.com/" rel="nofollow">http://www.ezdrm.com/</a> for playback DRM protection or your own license server <a href="http://msdn.microsoft.com/en-us/library/windowsazure/dn223278.aspx" rel="nofollow">http://msdn.microsoft.com/en-us/library/windowsazure/dn223278.aspx</a>.

entityMap|0|type|LINK|mutability|MUTABLE|data|url|https://github.com/Azure-Samples/media-services-v3-node-tutorials|blocks|key|b2en2|text|我现在有更多最新的基于Typescript的示例，用于使用我们最新的javascript+Node.js+SDK的AMS+v3+API。https://github.com/Azure-Samples/media-services-v3-node-tutorials|unstyled|depth|inlineStyleRanges|entityRanges|offset|length^0|1W|1T|0^^$0|$1|$2|3|4|5|6|$7|8]]]|9|@$A|B|C|D|2|E|F|K|G|@]|H|@$I|L|J|M|A|N]]|6|$]]]]

I have more recent Typescript based samples now for AMS v3 API using our latest javascript Node.js SDK here
<a href="https://github.com/Azure-Samples/media-services-v3-node-tutorials" rel="nofollow noreferrer">https://github.com/Azure-Samples/media-services-v3-node-tutorials</a>

I am in the middle of developing services that will deal with media files (audio/video) . These services are responsible for uploading and then streaming media files uploaded by client (IOS, Android but not limited to these devices/platforms).

We are using node.js with mongodb as database. In the near future our services will be part of Azure. (Portions of our backend are already there in Azure)

In that case i came across Azure media services. I know that it does't have any sdk to work with for Node.js so my only option here is to use REST Service from Azure Media Services.

My question are:

1) Whats the correct approach adapted in this scenario by developers already handling this scenario. I am open for approaches/practices here and change what i am planning to do currently. 

2)If i use Azure Media Services. How would my client calls my services (node.js) which acts as a proxy for calling REST Services for Azure Media Services. How will this exactly work and i have file in hand in my proxy to re-upload. Or i will internally direct my services so that internally it uploads to Media Services . 

3)How these media files uploaded in media services are related to a record in MongoDB. Like a record can have multiple media files.

I appreciate any pointers/explanations here.

Thanks,

Using Node.js for Azure Media Services/Handling Media Upload and Streaming

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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 我正在开发处理媒体文件(音频/视频)的服务。这些服务负责上传客户端(IOS、Android但不限于这些设备/平台)上传的流媒体文件。 我们使用node.js和mongodb作为数据库。在不久的将来，我们的服务将成为Azure的一部分。(我们的后端部分已经在Azure中了) 在这种情况下，我遇到了Azure媒体服务。我...

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