12.7. JPEGEΒΆ
Debugging Information
# cat /proc/cvitek/jpege Module: [JPEGE] System Build Time [#1 SMP PREEMPT Sat Jan 23 02:50:26 CST 2021] -----MODULE PARAM------------------------------------------------- OnePack: 0 JpegeMiniBufMode: 0 JpegClearStreamBuf: 0 JpegeDeringMode: 0 -----CHN ATTR----------------------------------------------------- ID: 0 bMjpeg: Y PicType: YUV422 MaxWidth: 3840 MaxHeight: 2160 Width: 3840 Height: 2160 BufSize: 0 ByFrm: 1 MCU: 1 Qfactor: 0 C2GEn: 0 DcfEn: 0 Debugging Information Analysis
recordJPEG Encodingprocessin, eachChannelEncodingAttribute, Status.
Parameter Description
Parameter | Description | |
|---|---|---|
MODULEPARAM | OnePack | obtain a streamMode 0: Obtain a stream in multi-packet mode. 1: Obtain a stream in single-packet mode. |
JpegeMiniBufMode | allocateDatastreamBufferMode 0: DatastreamBufferAccording toresolutionperform allocate. 1: DatastreamBufferSizeunderis 32KB. The user must ensure that the allocated stream buffer is large enough. | |
JpegClearStreamBuf | Set JPEG Encoding channelAttributetimeWhetherClearstreamBuffer. 0: DatastreamBufferandonundernumberberetain. 1: DatastreamBufferandonundernumberbeClear. | |
JpegeDeringMode | Enable JPEG Encoding channelgoeffectiveMode 0: Disable 1: Enable insamequantizationTableand Qfactorunder, canreduce, ImageFileSizealsocan. butalsowilloneImageand. | |
CHN ATTR | ID | Channel number |
bMjpeg | MJPEG encoding No: JPEG Yes: MJPEG Encoding | |
PicType | ImageType YVU422 or YVU420 | |
MaxWidth | Encoding channelMaximumWidth (Unit: pixels) | |
MaxHeight | Encoding channelMaximumHeight (Unit: pixels) | |
Width | imageWidth | |
Height | imageHeight | |
BufSize | DatastreamBufferSize (Unit: bytes) | |
MCU | eachinform RISC-V system (ECS) inMinimumEncodingsingle (MCU) Quantity | |
ByFrm | WhetherpressFrameGetDatastream Values: {0, 1} | |
Qfactor | Channel Qfactor | |
C2GEn | EnableConversionFunction Values: {0, 1} | |
DcfEn | JPEG ImageWhetherhasFigure Values: {0, 1} |