Stop live streaming of a session, and to check the Starting and stopping live streaming broadcasts Streams published from Safari show up as audio-only in live streaming broadcasts. 1-channel AAC audio at 128 Kbps and a 48-Khz sample rate.2 Mbps constant bit rate (CBR), with a keyframe interval of 2 seconds.OpenTok RTMP streams have the following specifications: Player in browsers that do not provide direct HLS support). However, there are a number of plugins, such asįlowplayer, that provide cross-browser support (using Flash HLS playback is not supported in all browsers. For more information, see The OpenTok Media Router and Media The HLS and RTMP streaming feature is only available for routed sessions (sessions that use the However,Įach the RTMP delivery platform (such as YouTube Live or Facebook) will add additional latencyīased on their processing of the video before publishing it. To clients until the HLS or RTMP stream is available.įor an RTMP stream, the OpenTok platform introduces a latency of approximately 5 seconds. The initial delay, the broadcast stream is not available. If the session includes more than 16 video streams concurrently, the extra streams will not be included in the broadcast.Īn HLS is delayed 15 to 20 seconds behind the live streams in the OpenTok session. RTMP streams, such as YouTube Live or Facebook.Īlso, clients that do not support WebRTC can view the HLS or RTMP stream.Ī broadcast can include up to 16 video streams from the session (and up to 50 audio streams). You can use the RTMP streaming feature to provide a video stream to a platform that supports RTMP streams are limited by the number of viewers supported by the RTMP provider. HLS streams support an unlimited number of viewers. For example, you may provideĪn HLS stream to a client if the OpenTok session has reached the 15,000-connection limit for OpenTok More clients can simultaneously view an HLS stream than can view an OpenTok live interactive Getting information about live streaming broadcasts.Using HLS timestamp metadata to synchronize events.Enabling DVR functionality in HLS broadcasts.Selecting streams to be included in a live streaming broadcast.
Dynamically changing the layout type during a live streaming broadcast.Configuring video layout for OpenTok live streaming broadcasts.Starting and stopping live streaming broadcasts.This page includes the following sections: The Vonage Video API live streaming feature lets you broadcast a video session to a large audience using HTTP live streaming (HLS) or an RTMP stream.
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