Performance Considerations - Axis 01152-001 User Manual

AXIS M30 Series
Troubleshooting
No multicast H.264
displayed in the client
Poor rendering of H.264
images
Color saturation is different
in H.264 and Motion JPEG
Lower frame rate than
expected
Can't select H.265 encoding
in live view
Problems retrieving additional video streams
'Video Error' displayed in
AXIS Companion, or
'Stream: Error. Something
went wrong. Maybe there
are too many viewers.' in
Chrome/Firefox, or
'503 service unavailable'
error in Quick Time, or
'Camera not
available' displayed in
AXIS Camera Station, or
'Error reading video stream'
message in browser when
using the Java applet

Performance considerations

When setting up your system, it is important to consider how various settings and situations affect the performance. Some factors
affect the amount of bandwidth (the bitrate) required, others can affect the frame rate, and some affect both. If the load on the
CPU reaches its maximum, this also affects the frame rate.
The following factors are the most important to consider:
• High image resolution or lower compression levels result in images containing more data which in turn affects the
bandwidth.
• Access by large numbers of Motion JPEG or unicast H.264 clients affects the bandwidth.
• Simultaneous viewing of different streams (resolution, compression) by different clients affects both frame rate and
bandwidth.
Check with your network administrator that the multicast addresses used by the Axis product
are valid for your network.
Check with your network administrator to see if there is a firewall preventing viewing.
Ensure that your graphics card is using the latest driver. The latest drivers can usually be
downloaded from the manufacturer's website.
Modify the settings for your graphics adapter. Go to the adapter's documentation for more
information.
• See Performance considerations on page 17.
• Reduce the number of applications running on the client computer.
• Limit the number of simultaneous viewers.
• Check with the network administrator that there is enough bandwidth available.
• Lower the image resolution.
• In the product's webpage, set a capture mode that prioritizes frame rate. Changing the
capture mode to prioritize frame rate might lower the maximum resolution depending
on the product used and capture modes available.
• The maximum frames per second is dependent on the utility frequency (60/50 Hz) of
the Axis product.
Web browsers do not support H.265 decoding. Use a video management system or application
supporting H.265 decoding.
This camera is designed to deliver up to four different streams. If a fifth unique stream is requested,
the camera will not be able to provide it, and an error message is displayed. The error message
depends on the way the stream is requested. The streams are used on a first come, first served
basis. Examples of instances using a stream are:
• Live viewing in a web browser or other application
• While recording - continuous or motion triggered recording
• An event using images on the camera, for example an event sending an e-mail with an
image every hour
• An installed application, such as Axis Video Motion Detection, will always use a stream
regardless of whether it is used or not.
The camera can deliver more than four simultaneous streams provided the configuration of any
additional stream is identical to any of the first four streams. Identical configuration implies exactly
the same resolution, frame rate, compression, video format, rotation etc. For more information see
the white paper "Max number of unique video stream configurations", available at axis.com
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