12.16. VOΒΆ
Debugging Information
# cat /proc/cvitek/vo -------------------------------DEVICE CONFIG------------------------------ DevID DevEn IntfType IntfSync BkClr DevFrt # 0 Y MIPI 720x1280@60 3FF 106 -------------------------------VIDEO LAYER STATUS 1----------------------- LayerId VideoEn PixFmt ImgW ImgH DispX DispY DispW DispH DispFrt # 0 Y YUV_PLANAR_420 720 1280 0 0 720 1280 25 -------------------------------VIDEO LAYER STATUS 2 (continue)------------ LayerId DevId EnChNum Luma Cont Hue Satu BufLen # 0 0 1 128 128 0 128 3 -------------------------------CHN BASIC INFO----------------------------- LayerId ChnId ChnEn Prio ChnX ChnY ChnW ChnH RotAngle # 0 # 0 Y 0 0 0 720 1280 90 -------------------------------CHN PLAY INFO------------------------------ LayerId ChnId Show Pause Thrshd ChnFrt ChnGap(us) DispPts PreDonePts # 0 # 0 N N 3 24 41666 1580552617 1580472618 Debugging Information Analysis
recordcurrentVOUsestatusanditsAttributeConfiguration, includingDeviceStatus, Video layerStatusandChannelStatus. canused to dynamicGetcurrentVOUseStatuswithtodebugorTest.
Parameter Description
Parameter | Description | |
|---|---|---|
DEVICE CONFIG | DevID | DeviceID. Value Range: [0,VO_MAX_DEV_NUM) |
DevEn | DeviceWhether to enable. N: prohibited; Y: Enable. | |
IntfType | InterfaceType. Value Range: CVBS, YPBPR, VGA, BT656, BT1120, LCD, LCD_18BIT, LCD_24BIT, LCD_30BIT, MIPI, MIPI_SLAVE, HDMI, I80 | |
IntfSync | Interfacetiming. Value Range: [0,VO_OUTPUT_BUTT). | |
BkClr | Devicebackground color. RGB888Format. | |
DevFrt | DeviceFrame rate, that isflush, withtimingRelated. | |
VIDEO LAYER STATUS 1 | LayerId | Video layerID. Value Range: [0,VO_MAX_LAYER_NUM). |
VideoEn | Video layerWhether to enable. N: prohibited; Y: Enable. | |
PixFmt | InputImagePixel format. | |
ImgW | Video layercanvasWidth. | |
ImgH | Video layercanvasHeight. | |
DispX | DisplayRegionstartHorizontal coordinate. | |
DispY | DisplayRegionstartVertical coordinate. | |
DispW | DisplayRegionWidth. | |
DispH | DisplayRegionHeight. | |
DispFrt | Video layerDisplayFrame rate. | |
VIDEO LAYER STATUS 2(continue) | LayerId | Video layerID. Value Range: [0,VO_MAX_LAYER_NUM). |
DevId | Video layerBindDeviceID. Value Range: [0,VO_MAX_DEV_NUM). | |
EnChNum | Channelmake cannumber. that isthisVideo layerhasmultiple itemChanneltoEnableStatus. Value Range: [0,VO_MAX_CHN_NUM). | |
Luma | Brightness. Value Range: [0, 255]. | |
Cont | Contrast. Value Range: [0, 255]. | |
Hue | hue. Value Range: [0, 255]. | |
Satu | Saturation. Value Range: [0, 255]. | |
BufLen | DisplaybufferLength. | |
CHN BASIC INFO | LayerId | Video layerID. Value Range: [0,VO_MAX_LAYER_NUM). |
ChnId | ChannelID. Value Range: [0,VO_MAX_CHN_NUM). | |
ChnEn | ChannelWhether to enable. Y: is; N:. | |
Prio | Channelpriority. Value Range: [0,VO_MAX_CHN_NUM). | |
ChnX | ChannelstartHorizontal coordinate. | |
ChnY | ChannelstartVertical coordinate. | |
ChnW | ChannelWidth. | |
ChnH | ChannelHeight. | |
RotAngle | Channel rotation angle. value range area: [0,ROTATION_BUTT) | |
CHN PLAY INFO | LayerId | Video layerID. Value Range: [0,VO_MAX_LAYER_NUM). |
ChnId | ChannelID. Value Range: [0,VO_MAX_CHN_NUM). | |
Show | ChannelWhetherDisplay. N: hide; Y: Display. | |
Pause | ChannelWhethercurrently. N: prohibited; Y: Enable. | |
Thrshd | Channel MaximumcanReceiveImageFramenumber. | |
ChnFrt | ChannelFrame rate. Channelplayback canthroughthisnumbervalue. | |
ChnGap(us) | ChannelFrame. withChannel Frame rate. Unit: us. | |
DispPts | currentcurrentlyinDisplay FrameTimestamp. Unit: us. | |
PreDonePts | beforeoneframecompleteDisplay FrameTimestamp. Unit: us. |