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Get notified about when to revisit this page for updates by copying and pasting this URL: https://docs.microsoft.com/api/search/rss?search=%22Azure+Media+Services+v3+release+notes%22&locale=en-us into your RSS feed reader.

To stay up-to-date with the most recent developments, this article provides you with information about:

  • The latest releases
  • Known issues
  • Bug fixes
  • Deprecated functionality

Known issues

Note

You can use the Azure portal to manage v3 live events, view v3 assets and jobs, get info about accessing APIs, encrypt content. For all other management tasks (for example, manage transforms and jobs), use the REST API, CLI, or one of the supported SDKs.

For details, see: the Azure portal limitations for Media Services v3.

August 2020

Dynamic Encryption

Support for the legacy PlayReady Protected Interoperable File Format (PIFF 1.1) encryption is now available in the Dynamic Packager. This provides support for legacy Smart TV sets from Samsung and LG that implemented the early drafts of the Common Encryption standard (CENC) published by Microsoft. The PIFF 1.1 format is also known as the encryption format that was previously supported by the Silverlight client library. Today, the only use case scenario for this encryption format is to target the legacy Smart TV market where there remains a non-trivial number of Smart TVs in some regions that only support Smooth Streaming with PIFF 1.1 encryption.

To use the new PIFF 1.1 encryption support, change the encryption value to 'piff' in the URL path of the Streaming Locator. For more details, see the Content Protection overview.For Example: https://amsv3account-usw22.streaming.media.azure.net/00000000-0000-0000-0000-000000000000/ignite.ism/manifest(encryption=piff)|

Note

PIFF 1.1 support is provided as a backwards compatible solution for Smart TV (Samsung, LG) that implemented the early 'Silverlight' version of Common Encryption. It is recommended to only use the PIFF format where needed for support of legacy Samsung or LG Smart TVs shipped between 2009-2015 that supported the PIFF 1.1 version of PlayReady encryption.

July 2020

Live transcriptions

Live Transcriptions now supports 19 languages and 8 regions.

Protecting your content with Media Services and Azure AD

We published a tutorial called End-to-End content protection using Azure AD.

High availability

We published a High Availability with Media Services and Video on Demand (VOD) overview and sample.

June 2020

Live Video Analytics on IoT Edge preview release

The preview of Live Video Analytics on IoT Edge went public. For more information, see release notes.

Live Video Analytics on IoT Edge is an expansion to the Media Service family. It enables you to analyze live video with AI models of your choice on your own edge devices, and optionally capture and record that video. You can now build apps with real-time video analytics at the edge without worrying about the complexity of building and operating a live video pipeline.

May 2020

Azure Media Services is now generally available in the following regions: 'Germany North', 'Germany West Central', 'Switzerland North', and 'Switzerland West'. Customers can deploy Media Services to these regions using the Azure portal.

April 2020

Improvements in documentation

Azure Media Player docs were migrated to the Azure documentation.

January 2020

Improvements in media processors

  • Improved support for interlaced sources in Video Analysis – such content is now de-interlaced correctly before being sent to inference engines.
  • When generating thumbnails with the 'Best' mode, the encoder now searches beyond 30 seconds to select a frame that is not monochromatic.

Azure Government cloud updates

Media Services GA'ed in the following Azure Government regions: USGov Arizona and USGov Texas.

December 2019

Added CDN support for Origin-Assist Prefetch headers for both live and video on-demand streaming; available for customers who have direct contract with Akamai CDN. Origin-Assist CDN-Prefetch feature involves the following HTTP header exchanges between Akamai CDN and Azure Media Services origin:

HTTP headerValuesSenderReceiverPurpose
CDN-Origin-Assist-Prefetch-Enabled1 (default) or 0CDNOriginTo indicate CDN is prefetch enabled
CDN-Origin-Assist-Prefetch-PathExample:
Fragments(video=1400000000,format=mpd-time-cmaf)
OriginCDNTo provide prefetch path to CDN
CDN-Origin-Assist-Prefetch-Request1 (prefetch request) or 0 (regular request)CDNOriginTo indicate the request from CDN is a prefetch

To see part of the header exchange in action, you can try the following steps:

  1. Use Postman or curl to issue a request to Media Services origin for an audio or video segment or fragment. Make sure to add the header CDN-Origin-Assist-Prefetch-Enabled: 1 in the request.
  2. In the response, you should see the header CDN-Origin-Assist-Prefetch-Path with a relative path as its value.

November 2019

Live transcription Preview

Live transcription is now in public preview and available for use in the West US 2 region.

Live transcription is designed to work in conjunction with live events as an add-on capability. It is supported on both pass-through and Standard or Premium encoding live events. When this feature is enabled, the service uses the Speech-To-Text feature of Cognitive Services to transcribe the spoken words in the incoming audio into text. This text is then made available for delivery along with video and audio in MPEG-DASH and HLS protocols. Billing is based on a new add-on meter that is additional cost to the live event when it is in the 'Running' state. For details on Live transcription and billing, see Live transcription

Note

Currently, live transcription is only available as a preview feature in the West US 2 region. It supports transcription of spoken words in English (en-us) only at this time.

Content protection

The Token Replay Prevention feature released in limited regions back in September is now available in all regions.Media Services customers can now set a limit on the number of times the same token can be used to request a key or a license. For more information, see Token Replay Prevention.

New recommended live encoder partners

Added support for the following new recommended partner encoders for RTMP live streaming:

File Encoding enhancements

  • A new Content Aware Encoding preset is now available. It produces a set of GOP-aligned MP4s by using content-aware encoding. Given any input content, the service performs an initial lightweight analysis of the input content. It uses those results to determine the optimal number of layers, appropriate bit rate, and resolution settings for delivery by adaptive streaming. This preset is particularly effective for low-complexity and medium-complexity videos, where the output files are at lower bit rates but at a quality that still delivers a good experience to viewers. The output will contain MP4 files with video and audio interleaved. For more information, see the open API specs.
  • Improved performance and multi-threading for the resizer in Standard Encoder. Under specific conditions, customer should see a performance boost between 5-40% VOD encoding. Low complexity content encoded into multiple bit-rates will see the highest performance increases.
  • Standard encoding now maintains a regular GOP cadence for variable frame rate (VFR) contents during VOD encoding when using the time-based GOP setting. This means that customer submitting mixed frame rate content that varies between 15-30 fps, for example, should now see regular GOP distances calculated on output to adaptive bitrate streaming MP4 files. This will improve the ability to switch seamlessly between tracks when delivering over HLS or DASH.
  • Improved AV sync for variable frame rate (VFR) source content

Video Indexer, Video analytics

  • Keyframes extracted using the VideoAnalyzer preset are now in the original resolution of the video instead of being resized. High-resolution keyframe extraction gives you original quality images and allows you to make use of the image-based artificial intelligence models provided by the Microsoft Computer Vision and Custom Vision services to gain even more insights from your video.

September 2019

Media Services v3

Live linear encoding of live events

Media Services v3 is announcing the preview of 24 hrs x 365 days of live linear encoding of live events.

Media Services v2

Deprecation of media processors

We are announcing deprecation of Azure Media Indexer and Azure Media Indexer 2 Preview. For the retirement dates, see the legacy components article. Azure Media Services Video Indexer replaces these legacy media processors.

For more information, see Migrate from Azure Media Indexer and Azure Media Indexer 2 to Azure Media Services Video Indexer.

August 2019

Media Services v3

South Africa regional pair is open for Media Services

Media Services is now available in South Africa North and South Africa West regions.

For more information, see Clouds and regions in which Media Services v3 exists.

Media Services v2

Deprecation of media processors

We are announcing deprecation of the Windows Azure Media Encoder (WAME) and Azure Media Encoder (AME) media processors, which are being retired. For the retirement dates, see this legacy components article.

For details, see Migrate WAME to Media Encoder Standard and Migrate AME to Media Encoder Standard.

July 2019

Content protection

When streaming content protected with token restriction, end users need to obtain a token that is sent as part of the key delivery request. The Token Replay Prevention feature allows Media Services customers to set a limit on how many times the same token can be used to request a key or a license. For more information, see Token Replay Prevention.

As of July, the preview feature was only available in US Central and US West Central.

June 2019

Video subclipping

You can now trim or subclip a video when encoding it using a Job.

This functionality works with any Transform that is built using either the BuiltInStandardEncoderPreset presets, or the StandardEncoderPreset presets.

See examples:

May 2019

Azure Monitor support for Media Services diagnostic logs and metrics

You can now use Azure Monitor to view telemetry data emitted by Media Services.

  • Use the Azure Monitor diagnostic logs to monitor requests sent by the Media Services Key Delivery endpoint.
  • Monitor metrics emitted by Media Services Streaming Endpoints.

For details, see Monitor Media Services metrics and diagnostic logs.

Multi audio tracks support in Dynamic Packaging

When streaming Assets that have multiple audio tracks with multiple codecs and languages, Dynamic Packaging now supports multi audio tracks for the HLS output (version 4 or above).

Korea regional pair is open for Media Services

Media Services is now available in Korea Central and Korea South regions.

For more information, see Clouds and regions in which Media Services v3 exists.

Performance improvements

Added updates that include Media Services performance improvements.

  • The maximum file size supported for processing was updated. See, Quotas, and limits.
  • Encoding speeds improvements.

April 2019

New presets

  • FaceDetectorPreset was added to the built-in analyzer presets.
  • ContentAwareEncodingExperimental was added to the built-in encoder presets. For more information, see Content-aware encoding.

March 2019

Dynamic Packaging now supports Dolby Atmos. For more information, see Audio codecs supported by dynamic packaging.

You can now specify a list of asset or account filters, which would apply to your Streaming Locator. For more information, see Associate filters with Streaming Locator.

February 2019

Media Services v3 is now supported in Azure national clouds. Not all features are available in all clouds yet. For details, see Clouds and regions in which Azure Media Services v3 exists.

Microsoft.Media.JobOutputProgress event was added to the Azure Event Grid schemas for Media Services.

January 2019

Media Encoder Standard and MPI files

When encoding with Media Encoder Standard to produce MP4 file(s), a new .mpi file is generated and added to the output Asset. This MPI file is intended to improve performance for dynamic packaging and streaming scenarios.

You should not modify or remove the MPI file, or take any dependency in your service on the existence (or not) of such a file.

December 2018

Updates from the GA release of the V3 API include:

  • The PresentationTimeRange properties are no longer 'required' for Asset Filters and Account Filters.
  • The $top and $skip query options for Jobs and Transforms have been removed and $orderby was added. As part of adding the new ordering functionality, it was discovered that the $top and $skip options had accidentally been exposed previously even though they are not implemented.
  • Enumeration extensibility was re-enabled. This feature was enabled in the preview versions of the SDK and got accidentally disabled in the GA version.
  • Two predefined streaming policies have been renamed. SecureStreaming is now MultiDrmCencStreaming. SecureStreamingWithFairPlay is now Predefined_MultiDrmStreaming.

November 2018

The CLI 2.0 module is now available for Azure Media Services v3 GA – v 2.0.50.

New commands

  • az ams account mru - enables you to manage Media Reserved Units. For more information, see Scale Media Reserved Units.

New features and breaking changes

Ams Any Video To Mp4 2 0 0

Asset commands

  • --storage-account and --container arguments added.
  • Default values for expiry time (Now+23h) and permissions (Read) in az ams asset get-sas-url command added.

Job commands

  • --correlation-data and --label arguments added
  • --output-asset-names renamed to --output-assets. Now it accepts a space-separated list of assets in 'assetName=label' format. An asset without label can be sent like this: 'assetName='.

Streaming Locator commands

  • az ams streaming locator base command replaced with az ams streaming-locator.
  • --streaming-locator-id and --alternative-media-id support arguments added.
  • --content-keys argument argument updated.
  • --content-policy-name renamed to --content-key-policy-name.

Streaming Policy commands

  • az ams streaming policy base command replaced with az ams streaming-policy.
  • Encryption parameters support in az ams streaming-policy create added.

Transform commands

Ams Any Video To Mp4 2 0 0

Asset commands

  • --storage-account and --container arguments added.
  • Default values for expiry time (Now+23h) and permissions (Read) in az ams asset get-sas-url command added.

Job commands

  • --correlation-data and --label arguments added
  • --output-asset-names renamed to --output-assets. Now it accepts a space-separated list of assets in 'assetName=label' format. An asset without label can be sent like this: 'assetName='.

Streaming Locator commands

  • az ams streaming locator base command replaced with az ams streaming-locator.
  • --streaming-locator-id and --alternative-media-id support arguments added.
  • --content-keys argument argument updated.
  • --content-policy-name renamed to --content-key-policy-name.

Streaming Policy commands

  • az ams streaming policy base command replaced with az ams streaming-policy.
  • Encryption parameters support in az ams streaming-policy create added.

Transform commands

  • --preset-names argument replaced with --preset. Now you can only set 1 output/preset at a time (to add more you have to run az ams transform output add). Also, you can set custom StandardEncoderPreset by passing the path to your custom JSON.
  • az ams transform output remove can be performed by passing the output index to remove.
  • --relative-priority, --on-error, --audio-language and --insights-to-extract arguments added in az ams transform create and az ams transform output add commands.

October 2018 - GA

This section describes Azure Media Services (AMS) October updates.

REST v3 GA release

The REST v3 GA release includes more APIs for Live, Account/Asset level manifest filters, and DRM support.

Azure Resource Management

Support for Azure Resource Management enables unified management and operations API (now everything in one place).

Starting with this release, you can use Resource Manager templates to create Live Events.

Improvement of Asset operations

The following improvements were introduced:

  • Ingest from HTTP(s) URLs or Azure Blob Storage SAS URLs.
  • Specify you own container names for Assets.
  • Easier output support to create custom workflows with Azure Functions.

New Transform object

The new Transform object simplifies the Encoding model. The new object makes it easy to create and share encoding Resource Manager templates and presets.

Azure Active Directory authentication and RBAC

Azure AD Authentication and Role-Based Access Control (RBAC) enable secure Transforms, LiveEvents, Content Key Policies, or Assets by Role or Users in Azure AD.

Client SDKs

Languages supported in Media Services v3: .NET Core, Java, Node.js, Ruby, Typescript, Python, Go.

Live encoding updates

The following live encoding updates are introduced:

  • New low latency mode for live (10 seconds end-to-end).

  • Improved RTMP support (increased stability and more source encoder support).

  • RTMPS secure ingest.

    When you create a Live Event, you now get 4 ingest URLs. The 4 ingest URLs are almost identical, have the same streaming token (AppId), only the port number part is different. Two of the URLs are primary and backup for RTMPS.

  • 24-hour transcoding support.

  • Improved ad-signaling support in RTMP via SCTE35.

Improved Event Grid support

You can see the following Event Grid support improvements:

  • Azure Event Grid integration for easier development with Logic Apps and Azure Functions.
  • Subscribe for events on Encoding, Live Channels, and more.

CMAF support

CMAF and 'cbcs' encryption support for Apple HLS (iOS 11+) and MPEG-DASH players that support CMAF.

Video Indexer

Video Indexer GA release was announced in August. For new information about currently supported features, see What is Video Indexer.

Plans for changes

Azure CLI 2.0

The Azure CLI 2.0 module that includes operations on all features (including Live, Content Key Policies, Account/Asset Filters, Streaming Policies) is coming soon.

Known issues

Only customers that used the preview API for Asset or AccountFilters are impacted by the following issue.

If you created Assets or Account Filters between 09/28 and 10/12 with Media Services v3 CLI or APIs, you need to remove all Asset and AccountFilters and re-create them due to a version conflict.

May 2018 - Preview

.NET SDK

The following features are present in the .NET SDK:

  • Transforms and Jobs to encode or analyze media content. For examples, see Stream files and Analyze.
  • Streaming Locators for publishing and streaming content to end-user devices
  • Streaming Policies and Content Key Policies to configure key delivery and content protection (DRM) when delivering content.
  • Live Events and Live Outputs to configure the ingest and archiving of live streaming content.
  • Assets to store and publish media content in Azure Storage.
  • Streaming Endpoints to configure and scale dynamic packaging, encryption, and streaming for both live and on-demand media content.

Known issues

  • When submitting a job, you can specify to ingest your source video using HTTPS URLs, SAS URLs, or paths to files located in Azure Blob storage. Currently, Media Services v3 does not support chunked transfer encoding over HTTPS URLs.

Ask questions, give feedback, get updates

Check out the Azure Media Services community article to see different ways you can ask questions, give feedback, and get updates about Media Services.

See also

Migration guidance for moving from Media Services v2 to v3.

Next steps

Jun 25,2019 • Filed to: Convert MP4 • Proven solutions

In simplest terms, an HD video is a video with higher resolution as well as quality in comparison to standard definition videos. Generally, a video with 1280 X 720 or 1920 X 1800 resolution is considered to be an HD video. These formats offer a 16:9 widescreen ratio and offers fps between 24 to 60. HD files offer crisp, bright, and enhanced video watching experience but the device on which you intend to play these files must be compatible. Thus in a number of situations, the need to convert MP4 to HD and vice-versa arises.

Part 1. Best HD to MP4 Video Converter to Convert HD to MP4

To convert your MP4 files to HD and vice versa we recommend Aimersoft Video Converter Ultimate as the best software. This HD to MP4 video converter facilitates high-quality file conversion at fast speed. With a wide range of format supports the software support conversion of all types. Files to be converted can be added from the computer or directly from the device. Converted files can be transferred to a number of devices as well. Let's see the main features of it below.

Aimersoft Video Converter Ultimate

  • MP4 to HD and vice versa conversion supported without losing file quality
  • High speed (90X) conversion facilitated
  • Batch processing facilitates converting multiple files at a time
  • Personalize your videos with features like trim, effect, crop, watermark, and other features
  • Video transfer to an array of devices supported like iPhone, Android smartphone, external USB drive, and others
  • Video download from YouTube, Vimeo, Vevo, and other 1000 sites supported. The software allows downloading the entire YouTube playlist as well.
  • Additional features include video compression, GIF making, video recording, and more others
  • Windows and Mac OS support to all latest versions

How to convert HD to MP4 with Aimersoft HD to MP4 Video Converter

01 Launch HD to MP4 video converter and load files

Free download and run Aimersoft Video Converter Ultimate software on your PC. Load HD files on your computer by clicking on the +Add Files on the Convert tab. You can also drag and drop the files.

Optional: File editing can be done by clicking on one of the icons present under the added file thumbnail image. Make the changes from the pop-up edit window and click on the OK button to confirm the same.

02 Choose MP4 as the target format

At the top-right corner, click on the drop-down icon at Convert all files to: tab and from the pop-up window select MP4 as the target format from the Video list. Also, select the desired file resolution.

03 Convert HD to MP4

At Output tab, choose the location on PC where you want to save the converted files. Click on the Convert All button to proceed with the conversion process. After a few seconds, you can find the MP4 files in the Converted tab. That is how you can convert HD video to MP4 easily!

Part 2. How to Convert MP4 to HD

Well, if you want to convert MP4 to HD format, Aimersoft Video Converter Ultimate can also help you with that. See the steps here:

How to convert VTS to MP4 with Aimersoft Video Converter Ultimate

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01 Run MP4 to HD converter and add files

Download, install and then launch the Aimersoft Video Converter Ultimate software. Select the Convert tab and then click on the +Add Files button to browse and load local MP4 videos. Files from the camcorder and other devices can also be added directly to the interface. For batch conversion, you can add multiple files at one time.

Files once added appear on the interface with details and thumbnail image. To edit the files, click on one of the editing icons under the added thumbnail image.

02 Choose HD format

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The list of supported formats appears as you open the drop-down icon at Convert all files to: tab present on the top-right corner of the interface. From the Video tab, choose the desired HD format and the file resolution needed.

Youtube To Mp4

03 Convert MP4 to HD

Clicking on the Convert All button will start processing and converting your files to the desired HD format. On your PC, the files can be located from the location selected at the Output tab. On the software interface, the converted files can be managed and transferred from the Converted tab.

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So no matter whether you are looking to convert MP4 files to HD or HD files to MP4 format, Aimersoft Video Converter Ultimate is the best conversion tool to use.





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