When a video stream is started, a device using the protocol sends an RTSP request to the media server that initiates the setup process. It was designed to control the streams without downloading any files. It was described as a “network remote control” for media servers. RTSP is conceptually similar to HTTP in function and was easily compatible with existing HTTP networks when it was first developed. Most of the IP cameras are released with RTSP support. RTSP is the most used protocol in IP camera streaming. Variant Formats : RTMPT (tunneled through HTTP), RTMPE (encrypted), RTMPTE (tunneled and encrypted), RTMPS (encrypted over SSL), RTMFP (layered over UDP instead of TCP).Drawbacks: Not optimized for quality of experience or scalability.Benefits: Low latency and minimal buffering.No longer accepted by iOS, Android, most browsers, and most embeddable players.Limited to Flash Player, Adobe AIR, RTMP-compatible players.Playback Compatibility: Not widely supported anymore.Video Codecs: H.264, VP8, VP6, Sorenson Spark®, Screen Video v1 & v2.Audio Codecs: AAC, AAC-LC, HE-AAC+ v1 & v2, MP3, Speex.However, the most efficient way is to use HTML5 streaming protocols for both cases. In this part, the RTMP live streaming protocol is used to send data from a server to a video device using a Flash player.Īs video streaming with RTMP is no longer supported by all devices, RTMP streaming is not used for last-mile delivery and has been replaced by HTML5 streaming protocols. It is the part where an RTMP stream is used to pull the video from IP cameras to a server. When the server responds (second handshake), the initiator acknowledges it (third handshake) and a reliable connection is established. Here’s the method: the initiator asks the server to start a connection (first handshake). Since RTMP uses the Transmission Control Protocol (TCP), it uses a three-way handshake when moving data. RTMP streaming provides a stable connection between the player client and the server, allowing the protocol to act as a channel and quickly move video data to the viewer’s device. RTMP can be used to capture streams from the camera in IP camera streaming. ![]() RTMP and RTSP can be used to capture streams from the IP camera. Now let’s see how much latency different protocols provide and which is the most suitable for your IP camera streaming needs. Ant Media Server has developed different solutions for different latency needs. However, these setups were causing 10-12 second delays. IP camera streaming generally used “RTMP to HLS” and “RTSP to HLS” setups.
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