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Cloud Streaming Services
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    Features

    Last updated: 2024-10-14 14:32:41
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      This document provides a list of what you can do with CSS. You can find more information about each feature by reading their documents.

      Push

      Feature
      Description
      Supports RTMP, SRT, WebRTC, and RTMP over SRT protocols for push.
      Supports Tencent Cloud’s MLVB SDK (which comes in iOS, Android, and web editions) or third-party streaming software such as OBS, XSplit, and FMLE.
      Push device support
      Supports common third-party RTMP streaming devices, encoders, and set-top boxes.

      Playback

      Feature
      Description
      Supports RTMP, FLV, HLS, and WebRTC playback protocols.
      Supports Tencent Cloud’s MLVB SDK (which comes in iOS, Android, and web editions) or third-party FLV, RTMP, or HLS players.
      Playback control
      Plays the original stream or a stream transcoded in real time.

      Live Streaming Management

      Feature
      Description
      Management
      Manages live streams graphically in the console or using APIs.

      CSS console

      Section
      Description
      Overview
      Displays data such as traffic package usage or real-time bandwidth and traffic usage.
      Supports adding, modifying, disabling and deleting push and playback domains, as well as configuring CNAME, HTTPS certificates, and push and playback authentication.
      Query online streams, primary and secondary streams, historical streams, and blocked streams for live stream information.
      Supports querying usage statistics including bandwidth, traffic, requests, concurrent connections, screenshots, push channels, and recording channels.

      Security

      Feature
      Description
      Generates hotlink protection push URLs (you can use your own key and specify the expiration time).
      Generates hotlink protection playback URLs using IP allowlist/blocklist or the referer field; supports remote playback authentication.
      Encrypts videos based on DRM schemes including Widevine, FairPlay, or NormalAES to prevent unauthorized recording and hotlinking.

      APIs

      API Category
      Description
      Add, delete, query, enable, and disable push and playback domains, as well as modify playback domains.
      Delay playback, query delayed playbacks, and resume real-time playback.
      Create, delete, and end recording tasks, create, delete, query, and modify recording templates, as well as create, delete, and query recording rules.
      Create, delete, and query recording rules, as well as create, delete, query, and modify recording templates.
      Add, delete, query, and modify watermarks, as well as create, delete, and query watermark rules.
      Create, delete, and query callback rules, as well as create, delete, query, and modify callback templates.
      Add, delete, query, and modify pull configurations.
      Query disabled, ongoing, and historical streams, query push interruptions and stream status, stop streams, block streams, and resume streams.
      Create, delete, and query transcoding rules, as well as create, delete, query, and modify transcoding templates.
      Query billable bandwidth and traffic usage, query playback data by region and ISP, query HTTP status codes for playback requests, query domain-level playback data in real time, and query packages.
      Add, delete, bind, unbind, and query certificates, as well as query and change the domains bound with a certificate.
      Query and modify authentication keys for playback and push.
      Create, delete, query, and modify time shifting templates, create, delete, and query time shifting rules, as well as query time-shifted streams.
      Mix streams and cancel stream mixing.

      Value-added services

      Feature
      Description
      Transcodes a stream into different specifications.
      Records live streams (by calling an API) and saves the recording files to Tencent Cloud VOD or COS.
      Takes screenshots of a live stream (by calling an API) and saves them to Tencent Cloud VOD or COS.
      Supports the exciting live clip feature. Relying on the live time shift capability, you can select an exciting clip during or after the live streaming process to generate a time-shifted playback URL for easy secondary distribution of the exciting live clip.
      Recognizes pornographic content in live streams.
      Supports communication among participants with ultra-low latency (powered by Tencent Cloud TRTC).
      Plays ongoing streams from earlier time points.
      Supports the use of Tencent CSS services outside the Chinese Mainland.

      SDKs

      SDK
      Description
      MLVB SDK
      Offers capabilities including stream pushing, basic beautification, filters, playback, and time shifting.
      Offers capabilities including filters, beautification, stickers, and gesture recognition for different shooting scenarios (the SDK is a video processing solution developed jointly by Tencent Cloud, Pitu, and YouTu).

      LVC

      Feature
      Description
       LVC 
      Cloud switching of live streams, multi-screen custom layout with mixed streaming, and synchronous audio and video switching, enriching online service scenarios.

      Relay

      Feature
      Description
      Relay
      Offer a feature for pulling video live streams or on-demand files from third-party platforms and pushing them to CSS, enabling direct operations such as stream mixing and recording on the audio and video content, and easily achieving cross-platform distribution and VOD to live streaming capabilities.
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