Axis 250S Instrukcja Użytkownika Strona 24

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maxlag=<int>
500,...
1
A number specifying at which lag (in ms) the server
should eliminate the lag by cutting the stream. A lag
could occur at the client due to clock differences
between the client computer and the server.
Note: This will be the maximum lag. The real lag
may be lower than the specified value. Values less
than 500 will be interpreted as 500. If the maxlag
parameter is left out, the maximum lag will be
determined by the available space in the server.
1
Product-dependent. Check the product specification.
5.3.2 MPEG-2 video response
When MPEG-2 video is requested, the server either returns the specified video stream, or an error message.
A field "X-Prebuffer-Length" is included in the HTTP header when responding to an MPEG-2 buffer request. This
entry specifies the length (in seconds) of the pre-buffer video that is included in the video stream response. This
length depends on what is specified in the request, and on a maximum value set by the server. If the requested
length is greater than or equal to the maximum value set by the server, the returned pre-buffer length will be
equal to the maximum value. If the requested length is shorter than the maximum value, the returned length
will be equal to the requested length.
HTTP/1.0 200 OK \r\n
Content-type: video/mpeg\r\n
[X-Prebuffer-Length: <floating number in seconds> \r\n]
\r\n
<MPEG stream>\r\n
Example:
HTTP/1.0 200 OK\r\n
Content-Type: video/mpeg\r\n
\r\n
Axis Communications - Network Camera Developer pages http://www.axis.com/techsup/cam_servers/dev/cam_http_api.php
24 of 72 5/21/10 15:42
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