}intmain(intargc,char**argv){staticchar*dev_name;intwidth, height;staticintfd =-1;structstatst;structbuffer*buffers;staticunsignedintn_buffers;enumv4l2_buf_typetype;structv4l2_capabilitycap;structv4l2_formatfmt;
v4l2-ctl--help General/Common options:--all display all information available-C, --get-ctrl <ctrl>[,<ctrl>...]get the value of the controls [VIDIOC_G_EXT_CTRLS]-c, --set-ctrl <ctrl>=<val>[,<ctrl>=<val>...]set the value of the controls [VIDIOC_S_EXT_CTRLS]-D, --info s...
39、;,start_speed=<speed>, start_format=<none|gop> 发送命令到解码器 VIDIOC_DECODER_CMD; cmd=start|stop|pause|resume; flags=start_mute_audio|pause_to_black|stop_to_black| stop_immediately; -try-decoder-cmd=cmd=<cmd>,flags=<flags> 尝试解码命令VIDIOC_TRY_DECODER_CMD,查看-decoder-cmd 获取...
第二个错误是media-bus-format-names.h找不到,整个工程中也找不到,奇怪。在其他人的工作中有看到补充了这个文件:v4l-utils/media-bus-format-names.h at master · satur9nine/v4l-utils (github.com) 预计拷过来就能用,不过因为我只需要设置亮度,且是事后发现的,所以不折腾了,直接屏蔽: static const struct...
if(options[OptFixEdidChecksums]) 1565- fix_edid(&gedid); 1532+ if(doioctl(fd, VIDIOC_G_EDID, &gedid) ==0) 15661533 printedid(fout, &gedid, gformat); 1567- } 15681534 if(file_out && fout != stdout) 15691535 fclose(fout); 15701536 free(gedid.edid);...
$ v4l2-ctl --all -d /dev/video1 Driver Info (not using libv4l2): Driver name : v4l2 loopback Card type : Dummy video device (0x0000) Bus info : v4l2loopback:0 Driver version: 0.8.0 Capabilities : 0x05200001 Video Capture Read/Write Streaming Extended Pix Format Priority: 0 Video in...
至少可以说，处理大量的视频数据是具有挑战性的。流包含宝贵的实时数据，以在更合适的时间处理。在您获得...
(Not Supported) Standard Controls: 0 Private Controls: 0 Format ioctls: fail: ../../../v4l-utils-1.20.0/utils/v4l2-compliance/v4l2-test-formats.cpp(312): Video Capture cap set, but no Video Capture formats defined test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: FAIL fail: .....
Extended Pix FormatDev[ 1329.599126] SET = 0, FnV = 0ice CapabilitiesDevice Caps : 0x04204000Video Memory-[ 1329.607859] EA = 0, S1PTW = 0to-Memory MultiplanarStreamingExtended Pix FormatPriori[ 1329.616669] Data abort info:ty: 2[ 1329.625173] ISV = 0, ISS = 0x00000004[ 1329.629619] CM...
Video Capture Multiplanar Pixel Format: 'YM24' Name : Planar YUV 4:4:4 (N-C) Size: Stepwise 32x16 - 2112x1568 with step 8/8 Index : 11 Type : Video Capture Multiplanar Pixel Format: 'RGGB' Name : 8-bit Bayer RGRG/GBGB Size: Stepwise 32x16 - 2112x1568 with step 8/8 Index...