Re: [Motion-user] Grainy video only with motion

[MrDave <mot...@gm...>]

Looks like something inconsistent possibly in the logs, config, 
MotionPlus and camera.  The config posted seems to request that the 
image be scaled down to 800x600

* The full URL of the network camera stream.**
**netcam_url rtsp://xxxx:zzzzzzzz@10.10.6.23:554/12**
**
**#width 2560**
**#height 1920**
**width 800**
**height 600*


On 4/11/2023 7:12 PM, David Powell wrote:

> I have a fairly expensive (~$250) network camera that I'm using with 
> MotionPlus.  The video directly from the camera is great. However, 
> when I play back a video (.mp4) that was recorded by MotionPlus, it's 
> very grainy.  I don't know if I can attach a sample to this email, but 
> I'll try:
>
> (apparently images are not allowed, the whole post got binned)
>
> The associated .jpg image ("best") does not have this graininess 
> problem.  I'm sure it's caused by something I've configured 
> incorrectly, but I don't know what it is.
>
> The log shows this when MotionPlus starts:
>
> *[NTC][NET][14:nc14:gate] netcam_connect: Norm: Camera (gate) connected**
> **[NTC][NET][14:nc14:gate] netcam_connect: Norm: Netcam capture FPS is 
> 15.**
> **[NTC][NET][14:nc14:gate] netcam_connect: Norm: Unable to determine 
> the camera source FPS.**
> **[NTC][NET][06:ml06:gate] netcam_ntc: **
> **[NTC][NET][06:ml06:gate] netcam_ntc: 
> ********************************************************
> **[NTC][NET][06:ml06:gate] netcam_ntc: The network camera is sending 
> pictures at 0x0**
> **[NTC][NET][06:ml06:gate] netcam_ntc: resolution but config is 
> 2560x1920. If possible change**
> **[NTC][NET][06:ml06:gate] netcam_ntc: the netcam or config so that 
> the image height and**
> **[NTC][NET][06:ml06:gate] netcam_ntc: width are the same to lower the 
> CPU usage.**
> **[NTC][NET][06:ml06:gate] netcam_ntc: 
> ********************************************************
> **[NTC][NET][06:ml06:gate] netcam_ntc: **
> **[NTC][NET][06:ml06:gate] mlp_check_szimg: Substream not available.  
> Image sizes not modulo 16.**
> **[NTC][NET][15:nc15:gate] netcam_handler: High: Camera handler thread 
> [15] started**
> **[NTC][ALL][06:ml06:gate] mlp_ring_resize: Resizing buffer to 16 items*
>
> The low-res stream from the camera is 800x600, and I have it 
> configured as such.  The high-res stream is 2560x1920, which is the 
> value showing in the log excerpt above.  I don't see a way to specify 
> that in the configuration.  I don't know where MP is getting the 
> resolution to print in the log entry.
>
> I have several other cameras that MP is also using, and each one has 
> its own configuration file, with the common parameters in the main 
> configuration file. Only one other camera shows this graininess 
> problem, and it has a similar message in the log file. One other 
> camera has the log message but does not have the graininess. This one 
> is the only one that has the /*I*//*mage sizes not modulo 16*/ entry, 
> however (but the image size _/is/_ mod 16).
>
> Here is the configuration file for this camera:
>
> *# User defined name for the camera.**
> **device_name gate**
> **
> **# Target directory for pictures, snapshots and movies**
> **target_dir /var/www/html/cams/gate**
> **
> **# The full URL of the network camera stream.**
> **netcam_url rtsp://xxxx:zzzzzzzz@10.10.6.23:554/12**
> **
> **#width 2560**
> **#height 1920**
> **width 800**
> **height 600**
> **
> **# Optional high resolution URL for rtsp/rtmp cameras only.**
> **netcam_high_url rtsp://xxxxxx:zzzzzzzzz@10.10.6.23:554/21**
> **netcam_high_params capture_rate=pts**
> **
> **
> **# Maximum number of frames to be captured per second.**
> **framerate 15**
> **
> **# Frames per second for the webcontrol camera stream.**
> **stream_maxrate 3**
> **
> **# Text to be overlayed in the lower left corner of images**
> **text_left The Amazing GateCam!**
> **
> **# Threshold for number of changed pixels that triggers motion.**
> **threshold 1000**
> **
> **# Enable tuning of the threshold down if possible.**
> **threshold_tune on*
>
> Does anyone know what may be causing the graininess in the movies?
>
> Thanks
>
>
>
>
>
>
>
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