This topic describes the release notes for ApsaraVideo Live and provides links to the relevant references.

2021-10

Update type Feature Description References
New The IP address check feature is supported. This feature can be used to check whether an IP address belongs to an Alibaba Cloud CDN node. IP address check
New The live recording data can be queried in the ApsaraVideo Live console. The number of live recording channels and container format conversions can be queried by calling the DescribeLiveDomainRecordUsageData operation. DescribeLiveDomainRecordUsageData
New An entry to the Product Updates page is added to the console. The release notes of new features are displayed in the console. You can go to the Product Updates page to view the details about a new feature. None
New The Tools menu item is added to the left-side navigation pane of the console. URL Generator and IP Address Check can be used.
Upgrade The documents about limits are organized. The documents about limits on common features are organized to facilitate user search. Limits
New The best practices about how to create an alert rule for concurrent stream ingest channels in the CloudMonitor console are added. An alert is triggered when the maximum number of concurrent stream ingest channels has been reached to avoid unexpected losses. Create an alert rule for concurrent stream ingest channels
New

Stream pulling can be triggered when you call the RealTimeRecordCommand operation. Submit a ticket to enable the stream pulling feature.

The live recording feature is enhanced. Stream pulling can be triggered when you call the RealTimeRecordCommand operation. RealTimeRecordCommand
Upgrade Push SDK V4.3.0 is released. The audio 3A algorithm is supported, and the sound quality in music scenes is improved. SDK download and release notes

2021-09

Update type Feature Description References
New DescribeLiveStreamState The status of a single stream can be queried in real time by calling the DescribeLiveStreamState operation. DescribeLiveStreamState
Upgrade Console:
  • The Resource Plan and Recommended Configurations sections are added to the Overview page.
  • RTS Web player is used in the production studio.
This helps you get started with live streaming in a more efficient manner. It also improves user experience. Overview
Upgrade Production studio:
  • Up to 12 channels are supported for input sources. Multiple media files can be added.
  • Features such as audio mixer, real-time subtitles, and multi-view are optimized and adjusted to provide user-friendly operations.
  • Scenario-based configurations are provided to help you get started with production studio.
The production studio is optimized to improve user experience. Functional areas
Upgrade SDK:
  • Push SDK V4.2.1 for mobile clients is released.
  • RTS NET SDK V1.9.0 is released.
Push SDK V4.2.1 for mobile clients:
  • The performance and package size of the underlying architecture are optimized.
  • Some bugs are fixed.
RTS NET SDK V1.9.0:
  • Stuttering in videos is reduced.
  • The time that is required to display the first frame is reduced.
  • Different modes of frame synchronization are supported: fast synchronization, slow synchronization, and non-synchronization.
  • HE-AAC is supported.

2021-08

Update type Feature Description References
New The Specify, Query, and Delete API operations for live stream transfer are supported. The streams can be ingested to the origin server or to multiple platforms that enable acceleration service. DescribeLiveEdgeTransfer
New The authentication feature is added to the status callback of live stream ingest. The risk of unauthorized access in the stream ingest callback is avoided. You can enable and customize the authentication key. SetLiveStreamsNotifyUrlConfig
Upgrade The minimum number of digits for an authentication key is increased to 16. The security of URL authentication is enhanced. URL signing
New EdgeScript is released. You can use EdgeScript in the console. Some custom scenarios, such as authentication, custom response headers, rewriting, A/B testing, and blocking, can be implemented by using simple programming. EdgeScript
Upgrade SDK:
  • Push SDK V4.2.0 for mobile clients is released.
  • RTS Web SDK V2.0.0 is released.
  • Push SDK V1.2.1 for PC clients is released.
  • RTS Web SDK V2.0.0 is released in ApsaraVideo Player SDK for Web V2.9.14.
  • Push SDK V4.2.0 for mobile clients: The package size is reduced. The Narrowband HD™ feature is supported for ingesting screen recordings.
  • RTS Web SDK V2.0.0: Stream ingest over RTS on web clients is supported. Stream ingest and pulling over RTS in HTML 5 are supported.
  • Push SDK V1.2.1 for PC clients: Supplemental Enhancement Information (SEI), statistics information, local logs, and full-link latency statistics over Real-Time Messaging Protocol (RTMP) are added.
  • RTS Web SDK V2.0.0 in ApsaraVideo Player SDK for Web V2.9.14: WeChat on Android devices that uses Tencent X5 kernel is supported.

2021-07

Update type Feature Description References
New API operations:
  • DescribeLiveDomainRecordUsageData
  • The number of live recording channels and container format conversions can be queried by calling the DescribeLiveDomainRecordUsageData operation.
Upgrade Digital rights management (DRM) encryption The DRM encryption feature is in commercial use. You can enable the DRM encryption feature in the console. The one-stop addition and management features are added to ensure the security of copyrighted videos. Only the Singapore (Singapore) region is supported. Use the DRM encryption feature
Upgrade SDKs:
  • RTS NET SDK V1.8.0 is released.
RTS NET SDK V1.8.0:
  • The full-link latency sampling for stream ingest over RTMP and Real-time Transport Protocol (RTP) is supported.
  • The resolution can be changed during stream pulling.
  • Stream ingest and pulling that use the H.265 codec are supported.
  • RTS NET SDK V1.8.0 for PC clients is released.
Upgrade The basic retouching effects are released in the production studio. Skin smoothing and whitening for source videos are supported. None

2021-06

Update type Feature Description References
New The feature that prohibits streaming RTMP, Flash Video (FLV), and HTTP Live Streaming (HLS) videos is released. Live stream management is enhanced. Configure protocol prohibition
Upgrade Recordings can be managed. Object Storage Service (OSS) recordings can be queried based on the application name and stream name. This way, you can query recordings under a specified domain name within a specified period. Manage recordings
New Bandwidth throttling in response to sudden traffic spikes If the traffic growth reaches a specified threshold within one minute, throttling is triggered for users in tier GC 0 to GC 3. Limits
Upgrade Production studio: The background color and latency configuration are added to the subtitle component. More features are released to improve live streaming experience. Manage components

2021-05

Update type Feature Description References
Modification Rules that are used to bring domain names offline If a domain name has an invalid ICP number, the system stops resolving domain names after 30 days. Before the update, the system stops resolving domain names after seven days. Domain names that have overdue payments are automatically restored after you settle the overdue payments. Announcement on new rules for disabling live domains
Upgrade Billing Monthly 95th percentile bandwidth, transcoding, snapshots, and recordings can be billed by domain name. None
Modification Minimum number of digits for a cryptographic key The minimum number of digits for an authentication key is changed from 8 to 16. This improves the security of authentication keys. Configure URL signing
Upgrade Production studio:
  • Third-party push (single channel) is released.
  • A tip is added to the subtitle component to configure subheaders.
  • Improved live streaming experience: A message for the standby video is added, and stream interruption prompts are improved to prevent unexpected costs.
More features are released to improve live streaming experience. Manage components

2021-04

Update type Feature Description References
Modification Rules that are used to bring domain names offline The rules that are used to manually bring domain names offline and the rules that are used to stop services due to violations, overdue payments, or invalid ICP filing are added. Announcement on new rules for disabling live domains
New Stream ingest over RTS Stream ingest over RTS can be enabled in the console. None
New Bandwidth and traffic usage by using RTS can be queried. This feature helps you query data and use features in a more convenient manner. Usage statistics
Upgrade TLS V1.3 certificates are added. TLS V1.3 is added to meet the requirements of users outside mainland China. Configure TLS version control
New Modification of the fixed pull configuration The fixed pull configuration can be modified. Modify the configurations of stream pulling
Upgrade Production studio:
  • Operations in the console are optimized.
  • A streaming URL can be entered as an input source.
  • Skin whitening and smoothing effects are added.
This feature allows you to configure the settings in an efficient manner.

Add video sources

2021-03

Update type Feature Description References
New Triggered stream pulling is supported. The stream pulling feature is enhanced. Configure triggered stream pulling
New The specifications of the RTS signaling protocol are released. This feature can be used to develop a client that is used to ingest or pull streams. Specifications of the RTS signaling protocol
Upgrade The maximum time shifting duration is extended to 24 hours. The content that is streamed over the last 24 hours can be played back. Time shifting

2021-02

Update type Feature Description References
Upgrade The RTS feature can be enabled in the ApsaraVideo Live console. The procedure to enable the RTS feature is simplified. You can enable the feature on your own. Overview
Upgrade HTTPS-based secure acceleration is supported for ingest domains. The secure acceleration feature is enhanced. Secure acceleration

2021-01

Update type Feature References
Upgrade Throttling rules on traffic spikes are added. Limits

2018-06

Update type Feature References
Upgrade The ApsaraVideo Live console is upgraded to the latest version.
  • Stream ingest at the edge, hotlink protection, IP address blacklist, HTTPS-based secure acceleration, and HTTP request header settings are supported.
  • The procedures to activate ApsaraVideo Live and obtain ingest and streaming URLs are improved.
  • ApsaraVideo Live can be connected to CloudMonitor to monitor the resource usage.
Access control, HTTP configuration, Secure acceleration, and Data statistics

2018-05

Update type Feature References
Modification The billing rules for the outbound traffic and bandwidth vary based on the regions outside mainland China. Fees of ApsaraVideo Live

2018-03

Update type Feature References
Upgrade Recording rules can be configured for live streams. Live stream recording

2018-01

Update type Feature References
Upgrade URL authentication is enabled by default for new users. Configure URL signing
Upgrade Active ingest endpoints, activity logs, and disabled ingest endpoints can be displayed in pagination mode. Manage streams

2017-12

Update type Feature References
New Recorded live streams can be stored in ApsaraVideo VOD. Live stream recording and Store live recordings in ApsaraVideo VOD

2017-09

Update type Feature References
New Custom configurations for stream ingest at the edge is supported. Edge ingest

2017-08

Update type Feature References
New A live center of ApsaraVideo Live is launched in the China (Beijing) region. Supported regions

2017-05

Update type Feature References
New ApsaraVideo Live is released on the Alibaba Cloud International site (alibabacloud.com). A live center of ApsaraVideo Live is launched in the Singapore (Singapore) region. Supported regions

2017-02

Update type Feature References
Upgrade Callbacks for live stream recording can be configured. You can record the live streams in the MP4 and FLV formats. Callbacks for live stream recording and Live stream recording

2016-12

Update type Feature References
New Live streams can be transcoded into high resolution (1440p) and high frame rate (60 FPS) streams in real time. Live stream transcoding

2016-11

Update type Feature References
Upgrade The stream monitoring feature is supported. You can use this feature to monitor the frame rate of ingested streams and bandwidth usage. Resource monitoring

2016-10

Update type Feature References
Upgrade The stream ingest monitoring feature is supported. More metrics are supported for live resource monitoring. Resource monitoring and Real-time monitoring

2016-09

Update type Feature References
New The snapshot feature is supported. Manage snapshots
New Live streams can be recorded. You can create an index file for the recorded streams. Live stream recording and Manage recordings

2016-04

Update type Feature References
New Domain names for CDN can be added and queried in the ApsaraVideo Live console. Manage domain names and Add a domain name
New The URL authentication feature is supported. Configure URL signing
New Live streams can be queried and managed. Manage streams