Axis Communications 214 PTZ 214 PTZ - User's Manual - Page 13

Other methods of accessing the video stream, Using Motion JPEG, Using MPEG-4

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Page 13 highlights

AXIS 214 PTZ 13 Other methods of accessing the video stream Video/images from the AXIS 214 PTZ can also be accessed in the following ways: • If supported by the client, the AXIS 214 PTZ can use Motion JPEG server push to display video. This option maintains an open HTTP connection to the browser and sends data as and when required, for as long as required. • As single JPEG images in a browser. Enter e.g. the path: http:///axis-cgi/jpg/image.cgi?resolution=CIF • Windows Media Player. This requires AMC and the MPEG-4 decoder to be installed. The paths that can be used are listed below, in the order of preference. • Unicast via RTP: axrtpu:///mpeg4/media.amp • Unicast via RTSP:axrtsp:///mpeg4/media.amp • Unicast via RTSP, tunnelled via HTTP: axrtsphttp:///mpeg4/media.amp • Unicast via RTSP, tunnelled via HTTPS: axrtsphttps:///mpeg4/media.amp • Multicast: axrtpm:///mpeg4/media.amp Other MPEG-4 clients Although it may be possible to use other clients to view the MPEG-4 stream, this is not guaranteed by Axis. For some other clients, e.g. QuickTime™ the Video Object Type must be set to Simple. It may also be necessary to adjust the advanced MPEG-4 settings. To assess the video stream from e.g. QuickTime™ the following path can be used: rtsp:///mpeg4/media.amp This path is for all supported methods, and the client will negotiate with the AXIS 214 PTZ to determine exactly which transport protocol to use. Audio transmission methods The audio stream can be accessed in the Live View page when viewing either Motion JPEG or MPEG. Using Motion JPEG The basic transmission method of audio used in conjunction with Motion JPEG video streaming is transmission over HTTP. The video and audio streams are not synchronized when using Motion JPEG so the streams may be slightly out of sync. The latency in any stream should be low, but this will depend on the network infrastructure. Using MPEG-4 When using MPEG-4, audio is streamed using the same protocol as the video stream. When audio is transmitted using MPEG-4, the Axis product sends synchronization information along with the streams to the client performing the synchronization. Audio is streamed from the client to the server over HTTP when using both Motion JPEG and MPEG-4. Accessing the Audio Streams In addition to accessing audio in the Live View page using AMC, audio from the camera can also be accessed in the following ways: • HTTP-API - Read about accessing audio for the other protocols through the HTTP-API at http://www.axis.com/techsup • QuickTime/Windows Media Player - these can be used to listen to the audio stream using the same methods as for accessing video streams.

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13
AXIS 214 PTZ
Other methods of accessing the video stream
Video/images from the AXIS 214 PTZ can also be accessed in the following ways:
•
If supported by the client, the AXIS 214 PTZ can use Motion JPEG server push to display video.
This option maintains an open HTTP connection to the browser and sends data as and when
required, for as long as required.
•
As single JPEG images in a browser.
Enter e.g. the path: http://<IP address>/axis-cgi/jpg/image.cgi?resolution=CIF
•
Windows Media Player. This requires AMC and the MPEG-4 decoder to be installed. The paths that
can be used are listed below, in the order of preference.
• Unicast via RTP: axrtpu://<IP address>/mpeg4/media.amp
• Unicast via RTSP:axrtsp://<IP address>/mpeg4/media.amp
• Unicast via RTSP, tunnelled via HTTP:
axrtsphttp://<IP address>/mpeg4/media.amp
• Unicast via RTSP, tunnelled via HTTPS:
axrtsphttps://<IP address>/mpeg4/media.amp
• Multicast: axrtpm://<IP address>/mpeg4/media.amp
Other MPEG-4 clients
Although it may be possible to use other clients to view the MPEG-4 stream, this is not guaranteed by Axis.
For some other clients, e.g. QuickTime™ the Video Object Type must be set to
Simple
. It may also be
necessary to adjust the advanced MPEG-4 settings. To assess the video stream from e.g. QuickTime™ the
following path can be used:
rtsp://<ip address>/mpeg4/media.amp
This path is for all supported methods, and the client will negotiate with the AXIS 214 PTZ to determine
exactly which transport protocol to use.
Audio transmission methods
The audio stream can be accessed in the
Live View
page when viewing either Motion JPEG or MPEG.
Using Motion JPEG
The basic transmission method of audio used in conjunction with Motion JPEG video streaming is
transmission over HTTP. The video and audio streams are not synchronized when using Motion JPEG so the
streams may be slightly out of sync. The latency in any stream should be low, but this will depend on the
network infrastructure.
Using MPEG-4
When using MPEG-4, audio is streamed using the same protocol as the video stream.
When audio is transmitted using MPEG-4, the Axis product sends synchronization information along with
the streams to the client performing the synchronization.
Audio is streamed from the client to the server over HTTP when using both Motion JPEG and MPEG-4.
Accessing the Audio Streams
In addition to accessing audio in the
Live View
page using AMC, audio from the camera can also be
accessed in the following ways:
•
HTTP-API - Read about accessing audio for the other protocols through the HTTP-API at
•
QuickTime/Windows Media Player - these can be used to listen to the audio stream using the same
methods as for accessing video streams.