Category: wowza hosting

Which is better for live streaming, RTMP vs HLS

In summary, you cannot build a live streaming product/platform just based on rtmp stream as it does not address your maximum device coverage agenda.

RTMP – Low latency TCP-based protocol originally built for Flash

HLS – Proprietary Apple-backed protocol that is widely supported on many environments.

MPEG-Dash – Webstandard but carries the same faults as HLS

Both HLS & MPEG Dash are kind of medium to high latency protocols although there is scope to play with different latencies.

WebRTC – Low latency protocol, built on open standards works in almost all browsers. However it is not supported on several environments/browsers Viz. iOS, IE

In summary, you cannot build a live streaming product/platform just based on rtmp stream as it does not address your maximum device coverage agenda.

My recommendation is to use a combination of http based (HLS/MPEG-DASH) & rtmp server for input from the broadcaster and then the hls for the output to a HTML5 player, like this you have all protocols for building your solutions.

red5 hosting and wowza hosting news

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server streaming with wowza

Hosting Marketers has started offering on all its hosting plans including hybrid servers wowza hosting. Wowza has the advantage of red5 that it can stream to Apple devices, iphones and iPads.

Stream Types

In Wowza Media Server 3, MediaStreams represent an incoming or outgoing stream of video, audio or metadata. Wowza Server provides a mechanism for defining custom server-side MediaStream implementations or stream types. These stream types are configured using the Streams/StreamType property in the Application.xml file. The following table lists the more commonly used stream types and their intended use (for a complete list, consult the User’s Guide):

  • default: Video on demand streaming of static Flash media, H.264/AAC and MP3 content
  • record: Video recording
  • live: Publish and play live video content (best for one-to-many streaming of live events)
  • live-lowlatency: Publish and play live video content (best for one-to-one or one-to-few video/audio chat applications)
  • live-record: Same as live plus content will be recorded
  • shoutcast: Audio re-streaming of a SHOUTcast/Icecast MP3 or AAC+ audio stream
  • shoutcast-record: Same as shoutcast plus content will be recorded
  • liverepeater-origin: Origin stream type used by live stream repeater to deliver a single streaming using origin/edge configuration
  • liverepeater-edge: Edge stream type used by live stream repeater to deliver a single stream using origin/edge configuration
  • rtp-live: Re-streaming of an RTSP/RTP, native RTP or MPEG-TS stream
  • rtp-live-record: Same as rtp-live plus content will be recorded

 

Supported Media

Wowza Media Server 3 supports the following media file formats: FLV (Flash Video), MP4 (QuickTime container) and MP3 content (see table below for common file extensions). To play video on demand content, the proper prefix must be prepended to the file name to create a stream name. For example to play the MP4 file mycoolvideo.mov use the stream name mp4:mycoolvideo.mov. The following table lists the more common file type prefixes (for a complete list consult the User’s Guide):

  • flv: FLV (Flash Video – this is the default media type so the qualifier and the file extension can be omitted)

    Example: “flv:mycoolvideo.flv”

  • mp4: MP4 (QuickTime container – .mp4, .f4v, .mov, .m4v, .mp4a, .3gp, and .3g2)

    Example: “mp4:mycoolvideo.mov”

  • mp3: MP3 (.mp3)

    Example: “mp3:mycoolsong.mp3”

  • smil: SMIL (XML files used to configure multi-bitrate streams – .smil)

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