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本帖最后由 做个好菜鸟 于 2018-12-18 11:09 编辑 大家好,在3536c的板子上现在想要开两路VDEC Chn进行解码,流程如下: vdec->vpss->vo Vdec->vpss->vo(pip) 一路VDEC通道时log信息如下: /boot/userbin # cat /proc/umap/vdec [VDEC] Version: [Hi3536C_MPP_V2.0.0.1 B010 Release], Build Time[Apr 14 2017, 09:00:19] -----MODULE PARAM-------------------------------------------------------------- obey_minCR MiniBufMode VBSource 0 0 0 -----CHN ATTR & PARAMS------------------------------------------------------- ID TYPE Prior MaxW MaxH Width Height StrmInputMode Compress STATE 0 H264 10 1920 1080 1920 1080 STREAM/NOBLOCK N START ID VfmwID RefNum MvpEnable DispNum BufSize MaxSlice MaxSPS MaxPPS MaxVPS DisplayMode 0 0 16 Yes 2 3110400 16 2 2 0 PlayBack ID ErrThr StrmThr DecMode OutMode SetUserPic Rotate PicPoolId PmvPoolId PriVbCnt 0 100 0 IPB Disp N 0 -1 -1 -1 -----CHN STATE----------------------------------------------------------------- ID PrtclErr StrmUnSP StrmError RefNumErr PicSizeErr fmterror PicBufSizeErr StrmNotRls Notify 0 0 0 0 0 0 0 0 0 31752 ID fps TimerCnt BufFLen DataLen UsrFLen UsrLen ptsBufF ptsBufU StreamEnd 0 25 48955 4149216 0 4064 0 39 0 0 ----- Detail Stream STATE ----------------------------------------------------------- ID MpiSndNum MpiSndLen VdecNum VdecLen FmGetNum FmGetLen FmRlsNum FmRlsLen FmLstGet FmRlsFail 0 9831 245336842 0 0 9890 245336842 9890 245336842 14910 0 ----- Detail FrameStore STATE ----------------------------------------------------------- ID FmNewPic GetFromFm Discard UsrSnd KerSnd KerRls MeetEnd FrmInVdec CurPicPts RedDiff MaxRedDiff DecDiff Maxf 0 12228 12228 0 0 12228 12225 9831 0 0 0 0 0 0 ID FreeNode VfmwNode VgsNode VgsWorkingNode BusyNode UserNode RefNum IsAvalible VbCnt MaxVbCnt GetPicVbFail GetMvpVbFail 0 35 2 0 0 0 3 1 0 5 19 19384 21547 ----- Detail UserData STATE ----------------------------------------------------------- ID MpiGet MpiGetLen MpiRls MpiRlsLen Discard DiscardLen GetFromFm GetFromFmLen UsrFLen UsrLen 0 0 0 0 0 0 0 0 0 4064 0 /boot/userbin # cat /proc/umap/vpss [VPSS] Version: [Hi3536C_MPP_V2.0.0.1 B010 Release], Build Time[Apr 14 2017, 09:00:19] -------------------------MODULE PARAM----------------------------------- vpss_vb_source 0 -------------------------VPSS GRP ATTR----------------------------------- GrpID MaxW MaxH PixFmt DieMode DciEn NrEn IeEn HistEn EsEn preMode 0 1920 1080 SP420 auto 0 1 1 0 0 VPSS -----------------------VPSS GRP FRAME CONTROL INFO------------------------- GrpID bFilter Width Height SrcFRate DstFRate bUserCtrl 0 0 0 0 -1 -1 Y -------------------------VPSS GRP PARAM----------------------------------- GrpID Cont IeStr SfStr TfStr CfStr CTfStr CvbsStr mdz HtfRe edz WtfRe DeMotion DieStr 0 8 4 24 12 12 16 24 6 52 63 36 0 0 -------------------------VPSS CHN PARAM--------------------------------- GrpID ChnID ChnSp 0 2 40 -----------------------VPSS GRP PRESCALE INFO------------------------- GrpID bPreScl Width Height -------------------------VPSS CHN ATTR----------------------------------- GrpId PhyChnId Enable SpEn UVInvert FrmWkEn LW RW TW BW Color OverlayMask 0 2 1 0 0 0 0 0 0 0 0 ff -------------------------VPSS CROP INFO----------------------------------- GrpId CropEn CoorType CoorX CoorY Width Height OriW OriH TrimWid TrimHgt 0 0 RIT 0 0 0 0 1920 1080 1920 1080 -------------------------VPSS GRP PIC QUEUE------------------------- GrpID FreeLen BusyLen Delay Backup 0 5 2 0 1 -----------------------VPSS GRP WORK STATUS------------------------- GrpID RecvPic ViLost VdecLost NewDo OldDo NewUnDo OldUnDo StartFl bStart 0 12932 0 0 12930 0 0 62246 0 1 -----------------------VPSS CHN WORK STATUS------------------------- GrpID ChnID WorkMode Depth SendOk bConfident SrcFRate DstFRate bDouble 0 2 AUTO 0 12930 1 -1 -1 0 ----------------------VPSS CHN OUTPUT RESOLUTION----------------------- GrpID ChnID Enable Width Height pixfmt cmpMode AspectRatio videoX videoY videoW videoH BgColor Rotation FrameRate 0 2 1 1920 1080 SP420 NONE NONE 0 0 1920 1080 0 0 25 -------------------------DRV WORK STATUS----------------------------------- StartSuc0 LinkInt StartErr0 NodeIdErr0 BusErr 12930 12930 0 0 0 -------------------------DRV NODE QUEUE----------------------------------- FreeNum WaitNum OrderWaitNum Busy00 Busy01 Sel0 457 0 0 0 0 0 /boot/userbin # cat /proc/umap/sys [SYS] Version: [Hi3536C_MPP_V2.0.0.1 B010 Release], Build Time[Apr 14 2017, 09:00:18] System State: 0 (0: initialized; 1: exiting; 2: exited) System Align: 16 -----MEM TABLE-------------------------------------------------------- MOD MODNAME DEV CHN MMZNAME -----BIND RELATION TABLE-------------------------------------------------------- FirMod FirDev FirChn SecMod SecDev SecChn TirMod TirDev TirChn SendCnt rstCnt vdec 0 0 vpss 0 2 vo 0 0 13546 0 vpss 0 2 vo 0 0 null 0 0 0 0 两路时log信息如下: /boot/userbin # cat /proc/umap/vdec [VDEC] Version: [Hi3536C_MPP_V2.0.0.1 B010 Release], Build Time[Apr 14 2017, 09:00:19] -----MODULE PARAM-------------------------------------------------------------- obey_minCR MiniBufMode VBSource 0 0 0 -----CHN ATTR & PARAMS------------------------------------------------------- ID TYPE Prior MaxW MaxH Width Height StrmInputMode Compress STATE 0 H264 10 1920 1080 1920 1080 STREAM/NOBLOCK N START 1 H264 1 1920 1080 1920 1088 STREAM/NOBLOCK N START ID VfmwID RefNum MvpEnable DispNum BufSize MaxSlice MaxSPS MaxPPS MaxVPS DisplayMode 0 0 16 Yes 2 3110400 16 2 2 0 PlayBack 1 1 16 Yes 2 3110400 16 2 2 0 PlayBack ID ErrThr StrmThr DecMode OutMode SetUserPic Rotate PicPoolId PmvPoolId PriVbCnt 0 100 0 IPB Disp N 0 -1 -1 -1 1 30 0 IPB Disp N 0 -1 -1 -1 -----CHN STATE----------------------------------------------------------------- ID PrtclErr StrmUnSP StrmError RefNumErr PicSizeErr fmterror PicBufSizeErr StrmNotRls Notify 0 0 0 0 0 0 0 0 0 38602 1 0 0 0 0 0 0 0 0 332 ID fps TimerCnt BufFLen DataLen UsrFLen UsrLen ptsBufF ptsBufU StreamEnd 0 26 59046 4149216 0 4064 0 39 0 0 1 0 221 2797032 0 4064 0 39 0 0 ----- Detail Stream STATE ----------------------------------------------------------- ID MpiSndNum MpiSndLen VdecNum VdecLen FmGetNum FmGetLen FmRlsNum FmRlsLen FmLstGet FmRlsFail 0 11849 295913348 0 0 11920 295913348 11920 295913348 27304 0 1 73 4112893 0 0 73 4112893 49 2760709 56341 0 ----- Detail FrameStore STATE ----------------------------------------------------------- ID FmNewPic GetFromFm Discard UsrSnd KerSnd KerRls MeetEnd FrmInVdec CurPicPts RedDiff MaxRedDiff DecDiff Maxf 0 14751 14751 0 0 14751 14748 11849 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 ID FreeNode VfmwNode VgsNode VgsWorkingNode BusyNode UserNode RefNum IsAvalible VbCnt MaxVbCnt GetPicVbFail GetMvpVbFail 0 35 2 0 0 0 3 1 0 5 19 25751 26955 1 40 0 0 0 0 0 0 0 0 19 216 130 ----- Detail UserData STATE ----------------------------------------------------------- ID MpiGet MpiGetLen MpiRls MpiRlsLen Discard DiscardLen GetFromFm GetFromFmLen UsrFLen UsrLen 0 0 0 0 0 0 0 0 0 4064 0 1 0 0 0 0 0 0 0 0 4064 0 /boot/userbin # cat /proc/umap/vpss [VPSS] Version: [Hi3536C_MPP_V2.0.0.1 B010 Release], Build Time[Apr 14 2017, 09:00:19] -------------------------MODULE PARAM----------------------------------- vpss_vb_source 0 -------------------------VPSS GRP ATTR----------------------------------- GrpID MaxW MaxH PixFmt DieMode DciEn NrEn IeEn HistEn EsEn preMode 0 1920 1080 SP420 auto 0 1 1 0 0 VPSS 1 1920 1080 SP422 nodie 0 1 1 0 0 VPSS -----------------------VPSS GRP FRAME CONTROL INFO------------------------- GrpID bFilter Width Height SrcFRate DstFRate bUserCtrl 0 0 0 0 -1 -1 Y 1 0 0 0 -1 -1 Y -------------------------VPSS GRP PARAM----------------------------------- GrpID Cont IeStr SfStr TfStr CfStr CTfStr CvbsStr mdz HtfRe edz WtfRe DeMotion DieStr 0 8 4 24 12 12 16 24 6 52 63 36 0 0 1 8 4 24 12 12 16 24 6 52 63 36 0 0 -------------------------VPSS CHN PARAM--------------------------------- GrpID ChnID ChnSp 0 2 40 1 0 40 -----------------------VPSS GRP PRESCALE INFO------------------------- GrpID bPreScl Width Height -------------------------VPSS CHN ATTR----------------------------------- GrpId PhyChnId Enable SpEn UVInvert FrmWkEn LW RW TW BW Color OverlayMask 0 2 1 0 0 0 0 0 0 0 0 ff 1 0 1 0 0 1 2 2 2 2 ffffff ff -------------------------VPSS CROP INFO----------------------------------- GrpId CropEn CoorType CoorX CoorY Width Height OriW OriH TrimWid TrimHgt 0 0 RIT 0 0 0 0 1920 1080 1920 1080 1 0 RIT 0 0 0 0 0 0 0 0 -------------------------VPSS GRP PIC QUEUE------------------------- GrpID FreeLen BusyLen Delay Backup 0 5 2 0 1 1 8 0 0 1 -----------------------VPSS GRP WORK STATUS------------------------- GrpID RecvPic ViLost VdecLost NewDo OldDo NewUnDo OldUnDo StartFl bStart 0 15422 0 0 15420 0 0 74215 0 1 1 0 0 0 0 0 0 0 0 1 -----------------------VPSS CHN WORK STATUS------------------------- GrpID ChnID WorkMode Depth SendOk bConfident SrcFRate DstFRate bDouble 0 2 AUTO 0 15420 1 -1 -1 0 1 0 AUTO 0 0 0 -1 -1 -- ----------------------VPSS CHN OUTPUT RESOLUTION----------------------- GrpID ChnID Enable Width Height pixfmt cmpMode AspectRatio videoX videoY videoW videoH BgColor Rotation FrameRate 0 2 1 1920 1080 SP420 NONE NONE 0 0 1920 1080 0 0 25 1 0 1 0 0 - NONE NONE 0 0 0 0 0 0 0 -------------------------DRV WORK STATUS----------------------------------- StartSuc0 LinkInt StartErr0 NodeIdErr0 BusErr 15420 15420 0 0 0 -------------------------DRV NODE QUEUE----------------------------------- FreeNum WaitNum OrderWaitNum Busy00 Busy01 Sel0 457 0 0 0 0 0 /boot/userbin # cat /proc/umap/sys [SYS] Version: [Hi3536C_MPP_V2.0.0.1 B010 Release], Build Time[Apr 14 2017, 09:00:18] :) System State: 0 (0: initialized; 1: exiting; 2: exited) System Align: 16 -----MEM TABLE-------------------------------------------------------- MOD MODNAME DEV CHN MMZNAME -----BIND RELATION TABLE-------------------------------------------------------- FirMod FirDev FirChn SecMod SecDev SecChn TirMod TirDev TirChn SendCnt rstCnt vdec 0 0 vpss 0 2 vo 0 0 16176 0 vdec 0 1 vpss 1 0 vo 2 1 0 0 vpss 0 2 vo 0 0 null 0 0 0 0 vpss 1 0 vo 2 1 null 0 0 0 0 请问有哪位大神知道什么问题导致的吗?谢谢。 【问题已解决】 感谢@zhuangweiye 庄工回复指导,确实是vb分配不足导致的 更改为PrivateVB 模式或者增加vb个数均可以解决:)2018-12-145 0 4661
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本帖最后由 做个好菜鸟 于 2018-12-14 16:01 编辑 大家好,最近在做ONVIF协议,已经可以搜索到IPC设备,并且可以鉴权、获取能力集以及Meida URI等, 但是在想要控制云台时调用soap_call___tptz__ContinuousMove接口,返回错误码12 SOAP_FAULT 12 An exception raised by the service , 对接的是海康IPC. 请问有遇到过同样问题的吗?谢谢 根据log信息已调试通过2018-11-281 0 3320
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本帖最后由 做个好菜鸟 于 2018-11-8 12:02 编辑 大家好,现在有一块3536C的板子,板子引出了uart0与uart2,在使用uart2时需要在内核中添加支持,在之前用的3531中是修改/arch/arm/mach-godnet/core.c就可以,但在3536C中/arch/arm/mach-hisi/目录下并没有core.c文件,请问大家有知道3536c想要使用UART2需要修改内核哪个地方吗?谢谢! 解决方式: 针对3536c想要添加串口1与串口2支持,只需在/arch/arm/boot/dts/hi3536c-demb.dts中按照 &uart0 { status = "okay"; }; 的格式添加 &uart1 { status = "okay"; }; &uart2 { status = "okay"; };之后重新编译内核, mknod /dev/ttyAMA1 c 204 65 mknod /dev/ttyAMA2 c 204 66 利用himm 工具复用为uart就可以进行操作了, 感谢@zhuangweiye 庄工指导 :)2018-11-077 1 3218
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[i=s] 本帖最后由 做个好菜鸟 于 2018-1-23 11:59 编辑 [/i] 各位前辈好,我现在在3531上使用mkfs.ext4进行硬盘格式化时出现了下列信息: #mkfs.ext4 /dev/sda1 mke2fs 1.41.11 (14-Mar-2010) /dev/sda1: Memory allocation failed while setting up superblock 硬盘分区信息如下: 请问大家有遇到过这个问题吗?我在另一块开发板中格式化也是提示这个,这个是由硬盘造成的吗?希望了解的前辈能给点解决意见,谢谢!2018-01-235 0 4251
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在HI3531平台下进行录像回访时,实现后退功能时要继续播放几秒钟才可以后退到指定位置开始播放,cat /proc/umap/vdec 后发现 FrmInVdec 的值不为0,请问vdec中的待解码的Frm缓存如何清除,我解绑vdec与vpss之后再进行绑定还是会继续播放几秒钟,请问有什么办法直接将vdec中待解吗的Frm缓存清除掉吗?2017-08-2410 1 4351
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本帖最后由 做个好菜鸟 于 2018-1-24 13:16 编辑 在海思3531上利用QT做GUI界面,解码播放视频时有时会报BUS error 总线错误,有时很正常无报错,网上搜了下说总线错误是由于未对齐的读写造成的,但这个要怎么定位呢?用GDB进行调试的话也不太现实(主要是不确定什么时候会报错),请问有人遇到过同类的问题知道怎么解决吗??:)2017-08-1710 0 4208
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大家好,现在想要通过QT GUI层实现对视频实时流的控制。通过VI->vpss->venc->文件(h264),可以实现实时流的采集录制工作,现在想要通过QT实现录制的同时进行播放控制(比如暂停/恢复、进度条拖动等),是不是可以通过VI->vpss->venc->文件(h264)->vdec->vo这样来实现?2017-07-2115 1 3873
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各位好,楼主接触海思不久,现在想要通过HI3531实时采集1080P50帧数据,看手册视频输入模块中典型应用场景: 上面说可以4 路 1080P/30fp 输入, 那么请问海思HI3531可以实现1080P50帧数据的采集吗?如果可以的话要怎么实现?求大神解答!:)2017-07-201 0 2354
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使用HI3531解码H264可以通过VGA显示视频,结合QT实现视频的控制时,点击功能按钮实现后退2S有时可达到效果,但更多时候是点击之后当前输出画面并没有跳转,而是静止状态,一段时间之后就又继续播放,并没有后退。 后退功能的实现思路如下:将每一帧对应的PTS与数据包起始位置保存至本地文件,点击后退按钮之后获取当前帧PTS,之后根据当前帧PTS与后退时间确定最新的PTS与帧起始地址.根据现象推测是点击后退按钮之后解码通道在解码,并且是从新的帧地址解码,但并没有显示,调试信息如下: # cat /proc/umap/vo [VOU] Version: [Hi3531_MPP_V2.0.B.0 ], Build Time[Nov 30 2013, 18:28:56] -----MODULE PARAM-------------------------------------------------------------- detectCycle -----DEV CONFIG---------------------------------------------------------------- DevId DevEn Mux1 Mux2 Mux3 InfSync BkClr DevFrt DispFrt DoubFrm Toleration Vtth 0 Y VGA 720P@50 0 50 25 N 10000000 240 -----DEV VDAC STATUS---------------------------------------------------------- DevId VDAC 0 - -----DEV VIDEO STATUS---------------------------------------------------------- DevId VideoEn PiP PixFmt ImgW ImgH DispW DispH 0 Y N 420 1280 720 1280 720 -----DEV VIDEO STATUS 2-------------------------------------------------------- DevId VideoEn PiP EnChNum Matrix Luma Cont Hue Satu 0 Y N 1 0 50 50 50 50 -----DEV VIDEO STATUS 3-------------------------------------------------------- DevId SetBeg SetEnd WBCEn bCasCfg bCasEn bCasSlv CasRgn CasMode CasPatn 0 N N N N N N 0 -----GRP STATUS---------------------------------------------------------------- GrpId OnDev ChNum FulFr TgtFr Start Resrv GrpGap BasePts -----CHN BASE INFO------------------------------------------------------------- DevId ChnId ChnEn Prio DeFlk ChnX ChnY ChnW ChnH DispX DispY bSnap Field DoubFrm bCas CcPos 0 0 Y 0 N 0 0 1280 720 -1 -1 N both N N 0 -----CHN PLAY INFO------------------------------------------------------------- DevId ChnId Batch Show Pause Step Revrs Refsh Thrshd ChnFrt ChnGap 0 0 N Y N N N N 3 25 40000 -----CHN PLAY INFO------------------------------------------------------------- DevId ChnId DisplayPts PrePts CurrPts ScalePts SetPts 0 0 3000000 3000000 2800000 3040000 -1 -----HD CHN STATUS1------------------------------------------------------------ DevId ChnId QCnt NewDo OldDo LCnt SCnt ChRpt BusyN ShouD Dsped Area AreaT 0 0 2846 76 0 45 76 590 0 1 570 0 0 -----HD CHN STATUS2------------------------------------------------------------ DevId ChnId Buf1 Buf2 Buf3 Buf4 DBuf Stat1 Stat2 QNodeAddr SNodeAddr DispAddr 0 0 F F F UseF 4 end end 86200800 86200800 86200800 -----SD CHN STATUS------------------------------------------------------------- DevId ChnId Job Task LCnt SCnt ChRpt DRpt CBusy DBusy ShouD Dsped b2Scl ChnAddr DispAddr -----CHN OTHER INFO------------------------------------------------------------ DevId ChnId bZoom ZmTyp ZoomX ZoomY ZoomW ZoomH SrcW SrcH FltTp HFlt VlFlt VcFlt 0 0 N 0 0 0 0 0 0 0 0 0 0 0 -----WBC INFO------------------------------------------------------------------ DevId WbcW WbcH PixFmt FrmRat RealRat Mode DataSrc Depth NotFin -----GRAPHICS LAYER------------------------------------------------------------- Layer BindDev G4 0 HC0 0 HC1 2 -----LAYER CSC PARAM----------------------------------------------------------------- LAYERID Matrix Luma Cont Hue Satu 0 5 50 50 50 50 4 5 50 50 50 50 5 5 50 50 50 50 -----VGA PARAM----------------------------------------------------------------- DevId Matrix Luma Cont Hue Satu Gain 0 3 50 50 50 50 10 -----DEV Int Status---------------------------------------------------------------- DevId IntRate IntTime MaxIntT TimePrM IntGapT MaxGapT 0 50.0 34 51 421 20008 28881 cat /proc/umap/vdec [VDEC] Version: [Hi3531_MPP_V2.0.B.0 ], Build Time[Nov 30 2013, 18:28:55] -----MODULE PARAM-------------------------------------------------------------- obey_minCR 0 -----CHN ATTR & PARAMS------------------------------------------------------- ID TYPE Prior MaxW MaxH Width Height StrmInputMode STATE 0 H264 1 1920 1080 1280 720 FRAME/BLOCK START ID RefNum SupportB DispNum BufSize SCDBufSize MaxSlice MaxSPS MaxPPS 0 2 Yes 2 2073600 3110400 100 21 22 ID ErrThr StrmThr DecMode OutMode DnrDisp DnrTf 0 30 0 IP Dec N/A N/A -----CHN STATE----------------------------------------------------------------- ID PrtclErr StrmUnSP StrmError RefNumErr PicSizeErr fmterror PicBufSizeErr RlsFail Notify 0 0 0 0 0 0 0 0 0 259 ID fps TimerCnt BufFLen DataLen UsrFLen UsrLen ptsBufF ptsBufU 0 38 78053 3045855 0 5088 0 40 0 ----- Detail Stream STATE ----------------------------------------------------------- ID MpiSndNum MpiSndLen VdecNum VdecLen FmGetNum FmGetLen FmRlsNum FmRlsLen FmLstGet FmRlsFail 0 121 8467492 121 1815 123 8469307 122 8402234 67073 0 ----- Detail FrameStore STATE ----------------------------------------------------------- ID FmNewPic GetFromFm RlsToFm Discard UsrSnd KerSnd KerRls FreeNode BusyNode UserNode MeetEnd FrmInVdec 0 121 121 120 0 0 121 120 39 0 1 121 0 ----- Detail UserData STATE ----------------------------------------------------------- ID MpiGet MpiGetLen MpiRls MpiRlsLen Discard DiscardLen GetFromFm GetFromFmLen UsrFLen UsrLen 0 0 0 0 0 0 0 0 0 5088 02017-05-244 0 3556
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本帖最后由 做个好菜鸟 于 2018-1-24 13:16 编辑 HI3531 单独显示QT界面或者单独播放视频都是没有问题的,当二者同时显示时GUI层会遮挡住视频层,看论坛里有前辈说是设置ColorKey 可是HI3531只有视频层支持ColorKey,当设置叠加层alpha时代码如下图 当stAlpha.bAlphaEnable = HI_TRUE;时整个GUI层是半透明的但没有QT界面了. 当stAlpha.bAlphaEnable = HI_FALSE;时整个GUI界面是黑色的,请问有遇到同样问题知道怎么解决的吗???2017-05-1126 2 7959
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运行海思官方sample中的sample_vdec例程 可以解码例程文件夹中的.h264文件并通过VGA输出视频图像,但是网上下载了几个H264测试文件 有的可以正常输出 但有的h264文件无法输出,显示器上没有图像,显示全蓝色. 并且打印输出 HI_MPI_VPSS_UserGetGrpFrame err 0xa0088010 查看官方文档 说是VPSS未初始化 但是程序未修改,只是改变了解码的H264文件 这个是H264文件的问题吗?2017-05-048 0 2683
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请问在使用FastBoot3.1(BVT)烧写Uboot时 选择第三种烧写方式需要连接网线吗?? 第三种方式不是直接用串口就可以了吗?连接串口时使用了USB转串口对烧写有影响吗??问题有点多,希望有前辈解答,,2017-04-281 0 3011
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本帖最后由 做个好菜鸟 于 2018-11-28 15:08 编辑 第一次烧写Uboot时 在Windows下使用官方给的FastBoot3.1(BVT) 烧写时 一直提示烧写超时 进度条也没有。有人遇到多同样的问题吗?? 官方文档说可以用仿真器进行烧写 有人用过吗???急求大神解答!! 已解决:硬件问题2017-04-273 0 3166

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