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mention 32 bit color depth and make it preferred

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Andy Bauer
2016-12-20 08:16:10 -06:00
parent 4e89298183
commit 09937e87f7
1 changed files with 3 additions and 3 deletions
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6
docs/userguide/definemonitor.rst
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@@ -97,7 +97,7 @@ Device Path/Channel
Device Format
Enter the video format of the video stream. This is defined in various system files (e.g. /usr/include/linux/videodev.h) but the two most common are 0 for PAL and 1 for NTSC.
Capture Palette
Finally for the video part of the configuration enter the colour depth. ZoneMinder supports a handful of the most common palettes, so choose one here. If in doubt try grey first, and then 24 bit colour. If neither of these work very well then YUV420P or one of the others probably will. There is a slight performance penalty when using palettes other than grey or 24 bit colour as an internal conversion is involved. These other formats are intended to be supported natively in a future version but for now if you have the choice choose one of grey or 24 bit colour.
Finally for the video part of the configuration enter the colour depth. ZoneMinder supports a handful of the most common palettes, so choose one here. If in doubt try 32 bit colour first, then 24 bit colour, then grey. If none of these work very well, and your camera is local, then YUV420P or one of the others probably will. There is a slight performance penalty when using palettes other than 32, 24, or grey palettes as an internal conversion is involved. Recent versions of ZoneMinder support 32bit colour. This capture palette provides a performance boost when used on all modern Intel-based processors.
Capture Width/Height
The dimensions of the video stream your camera will supply. If your camera supports several just enter the one you'll want to use for this application, you can always change it later. However I would recommend starting with no larger than 320x240 or 384x288 and then perhaps increasing and seeing how performance is affected. This size should be adequate in most cases. Some cameras are quite choosy about the sizes you can use here so unusual sizes such as 197x333 should be avoided initially.
Keep aspect ratio
@@ -109,7 +109,7 @@ Remote
^^^^^^
Remote Host/Port/Path
Use these fields to enter the full URL of the camera. Basically if your camera is at http://camserver.home.net:8192/cameras/camera1.jpg then these fields will be camserver.home.net, 8192 and /cameras/camera1.jpg respectively. Leave the port at 80 if there is no special port required. If you require authentication to access your camera then add this onto the host name in the form <username>:<password>@<hostname>.com. This will usually be 24 bit colour even if the image looks black and white. Look in Supported Hardware > Network Cameras section, how to obtain these strings that may apply to your camera.
Use these fields to enter the full URL of the camera. Basically if your camera is at http://camserver.home.net:8192/cameras/camera1.jpg then these fields will be camserver.home.net, 8192 and /cameras/camera1.jpg respectively. Leave the port at 80 if there is no special port required. If you require authentication to access your camera then add this onto the host name in the form <username>:<password>@<hostname>.com. This will usually be 32 or 24 bit colour even if the image looks black and white. Look in Supported Hardware > Network Cameras section, how to obtain these strings that may apply to your camera.
Remote Image Colours
Specify the amount of colours in the captured image. Unlike with local cameras changing this has no controlling effect on the remote camera itself so ensure that your camera is actually capturing to this palette beforehand.
Capture Width/Height
@@ -127,7 +127,7 @@ File
File Path
Enter the full path to the file to be used as the image source.
File Colours
Specify the amount of colours in the image. Usually 24 bit colour.
Specify the amount of colours in the image. Usually 32 bit colour.
Capture Width/Height
As per local devices.
Keep aspect ratio