![]() ![]() As segment size decreases manifest size increases. So the longer the live window, the bigger the playlist file. Under the hood, this translates into the number of segments that must be kept in the playlist file. The amount of time a viewer can go backwards in time in the live stream to view video. The paths in the playlist file can use URLs relative to the playlist, which can save significant space in the file - usually greater than 50%. The location of the playlist file to be used in calculations. Sometimes also referred to as the manifest file. Sends audio and video as a series of small files called media segment files.Ī parameter within the Media Playlist that specifies a maximum duration for any of the media segments.Īn index file that provides an ordered list of the URLs of the media segment files. To be sure a baseline knowledge exists of live streaming and information needed by the calculator, some terms are defined here: Term The calculator at the bottom of this document provides a rough estimate of overhead bandwidth based on live stream configuration. Brightcove Player can only play what is sent, and there are no Brightcove Player adjustments that can compensate for incorrect live stream configuration. The live stream configuration is done in conjunction with your CDN and/or encoder. The goal of the document is to make you aware how incorrect configuration can impact the user experience for a live stream, rendering it nearly unplayable. Live Stream Configuration In this topic, you will learn how live stream configuration affects the bandwidth available for media playback. Viewing the Brightcove System Status Page.Adding Captions to Videos Programmatically.Step-by-Step: Brightcove Player Debugger.Brightcove Player Troubleshooting Guide.Responsive Sizing for the Brightcove Player.Bulk Updating Brightcove Default Player.Options for Standard (iframe) Embed Code.Options for Advanced (in-page) Embed Code.Assigning Video to Player Programmatically.Adding an Application ID to the Player Embed Code.Using a Screen Reader with the Brightcove Player.Implementing Cue Points Programmatically.Signed URLs and Token Auth with a Live Stream.Restricting Video Playback Using IP Address.Creating a DASH DRM Manifest for the Brightcove Player.Configuring Player Content Restrictions.Step-by-Step: Video.js Plugin Generator.Reporting on Brightcove Player Configurations.Using Wireshark to Track Network Traffic.Identify and Delete Low Performing Videos.Using Player Enhancements for Live SSAI.Using DFP Premium with Brightcove Player. ![]() Testing Pre-Release Advertising Plugins.Known Issues: Server-Side Ad Insertion (SSAI).Client-Side Pre-roll Ads with Live SSAI.Advertising with SSAI and Open Measurement.Advertising with Server-Side Ads (SSAI).Training: Developing with the Brightcove Player.In both ways, you'll be able to serve ABR (adaptive bitrate) streams to your users. When streaming to Kaltura, you can send either a single bitrate (using cloud transcoding) or send multiple bitrate streams (using passthrough) directly from your encoder to your live entry RTMP endpoints (primary & secondary). Single Bitrate vs Multiple Bitrate Ingest See the article Endpoints for Kaltura Live Streaming for information on how to obtain the SRT endpoints and stream IDs for your live entry. You will need to configure SRT endpoints and stream IDs on your encoder. See the article Endpoints for Kaltura Live Streaming for information on how to obtain the RTMP endpoint URLs and stream name for your live entry. In addition to video encoding configuration, you will need to configure the RTMP endpoint URLs and stream name on your encoder.Obtaining RTMP Endpoint URLs and Stream Name Audio Sample Rate: AC3 Dolby Digital Audio with 48khz, and 320kbps.Video frames per second (FPS): 60 or 30.Strict CBR encoding recommended for optimal Adaptive bit-rate performance.Audio Codec: AAC or MP3 (AAC recommended).Video frames per second (FPS): based on your capture device capabilities.Please configure your encoder according to the following recommendations: HD Encoding Guidelines Kaltura Live Stream Requirements Guide Expand/Collapse AllĪ good source stream is essential for live streaming to work properly. ![]()
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