Hello,
after updating the Driveworks version we noticed, that the recorded camera images look very pixelated or heavily compressed using the h264 output format. If the car does not move, the camera frames look quite good but if the car accelerates, more regions of the image get compressed.
Screenshot driving aprox. 70 km/h:
External Media
Our recorder configuration:
As we are using the 60° Sekonix camera, the camera-type was set to ar0231-rccb-ss3323, correct? In addition the buffersize was increased, but without any visible impact.
{
"version": "0.8",
"gpu-device": 0,
"path": "../recordings",
"log-level": "warn",
"file-buffer-size": 4194304,
"camera": {
"separate-thread": true,
"record-thread-priority": 0,
"write-file-pattern": "video_*",
"sensors": [
{
"protocol": "camera.gmsl",
"params": "camera-type=ar0231-rccb-ss3323,csi-port=ab,camera-count=1,async-record=1,fifo-size=6,output-format=h264",
"channel-names": [
"F60"
]
}
]
},
"can": {
"separate-thread": true,
"write-file-pattern": "can_*",
"sensors": [
{
"protocol": "can.socket",
"params": "device=can1",
"channel-name": "0"
}
]
},
"driveworks-version": {
"major": 0,
"minor": 6,
"patch": 67,
"hash": "51bd3aae95ffafdf5d76d618fb541f0599cccba8",
"extra": ""
}
}
One thing we noticed: the log.txt points out:
1544542398742292[W]: CameraGMSL: serializer bitrate not specified. Using 8000000.
1544542398818211[D]: Record file(sensor type = 0, channel = 0, path = '/media/nvidia/PXTurbo/recordingJohann/recordings/dw_2018_12_11_15:33:18_000911_monoF60CAN-2xBuff/video_F60.h264): Added to monitoring list
How can the recorder be configured, so that the image quality is not impaired?