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- 时间: 2026年04月20日 07:16
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渭南网站建设seo,重庆梁平网站建设公司,文章网站哪里建设好,手机平台网站开发平台 RK3566 Android 11 概述 UVC#xff1a; USB video class#xff08;又称为USB video device class or UVC#xff09;就是USB device class视频产品在不需要安装任何的驱动程序下即插即用#xff0c;包括摄像头、数字摄影机、模拟视频转换器、电视卡及静态视频相机…平台 RK3566 Android 11 概述 UVC USB video class又称为USB video device class or UVC就是USB device class视频产品在不需要安装任何的驱动程序下即插即用包括摄像头、数字摄影机、模拟视频转换器、电视卡及静态视频相机。 测试代码 Camera cam Camera.open(CAMERA_ID);Camera.Parameters param cam.getParameters();ListCamera.Size sizes param.getSupportedPreviewSizes();打印出来后显示支持的预览分辨率如下 D startPreview support preview 640x360 D startPreview support preview 640x480 D startPreview support preview 960x540 D startPreview support preview 800x600 D startPreview support preview 1280x720 D startPreview support preview 1280x960 D startPreview support preview 1920x1080 D startPreview support preview 1600x1200然而把摄像头接入到PC上不管是LINUX还是WINDOWS会发现实际支持的最大预览分辨率是3840x2160 缺少的分辨率哪去了 分析 摄像头部分的架构比较复杂整理几个相关的源码目录 # SDK 接口frameworks/base/core/java/android/hardware/Camera.javaframeworks/base/core/jni/android_hardware_Camera.cpp# 上层 Camera 服务frameworks/av/camera/# HAL层hardware/rockchip/camerahardware/interfaces/camera/# 配置文件对应USB和CSI之类的摄像头配置
包含了支持分辨率闪光灯等等的一些特性。device/rockchip/common/external_camera_config.xmlhardware/rockchip/camera/etc/camera/烧录到主板后相关的一些文件目录 rk3568_r:/ # ll /vendor/etc/camera/
total 948 -rw-r–r– 1 root root 3044 2023-04-18 09:55 README.txt -rw-r–r– 1 root root 152818 2023-04-18 09:55 camera3_profiles.xml -rw-r–r– 1 root root 166244 2023-04-18 09:55 camera3_profiles_default.xml -rw-r–r– 1 root root 14744 2023-04-18 09:55 camera3_profiles_rk1126.xml -rw-r–r– 1 root root 48811 2023-04-18 09:55 camera3_profiles_rk3126c.xml -rw-r–r– 1 root root 64987 2023-04-18 09:55 camera3_profiles_rk3288.xml -rw-r–r– 1 root root 61800 2023-04-18 09:55 camera3_profiles_rk3326.xml -rw-r–r– 1 root root 98549 2023-04-18 09:55 camera3_profiles_rk3368.xml -rw-r–r– 1 root root 64766 2023-04-18 09:55 camera3_profiles_rk3399.xml -rw-r–r– 1 root root 26451 2023-04-18 09:55 camera3_profiles_rk3399_1608.xml -rw-r–r– 1 root root 77820 2023-04-18 09:55 camera3_profiles_rk3399pro.xml -rw-r–r– 1 root root 152818 2023-04-18 09:55 camera3_profiles_rk356x.xml -rw-r–r– 1 root root 2875 2023-04-18 09:55 graph_descriptor.xml -rw-r–r– 1 root root 145 2023-04-18 09:55 reset_camera.sh drwxr-xr-x 2 root shell 4096 2023-04-18 09:55 rkisp1 drwxr-xr-x 2 root shell 4096 2023-04-18 09:55 rkisp2# UVC 的配置/vendor/etc/external_camera_config.xml先用v4l2 工具看下基本信息
当前的设备列表
rk3566:/ # ll /dev/video*
crw-rw—- 1 media camera 81, 0 2023-04-14 09:44 /dev/video0
crw-rw—- 1 media camera 81, 1 2023-04-14 09:44 /dev/video1
crw-rw—- 1 media camera 81, 10 2023-04-14 09:44 /dev/video10
crw-rw—- 1 media camera 81, 11 2023-04-14 09:44 /dev/video11
crw-rw—- 1 media camera 81, 12 2023-04-14 09:44 /dev/video12
crw-rw—- 1 media camera 81, 13 2023-04-14 09:44 /dev/video13
crw-rw—- 1 media camera 81, 14 2023-04-14 09:44 /dev/video14
crw-rw—- 1 media camera 81, 15 2023-04-14 09:44 /dev/video15
crw-rw—- 1 media camera 81, 2 2023-04-14 09:44 /dev/video2
crw-rw—- 1 media camera 81, 3 2023-04-14 09:44 /dev/video3
crw-rw—- 1 media camera 81, 4 2023-04-14 09:44 /dev/video4
crw-rw—- 1 media camera 81, 5 2023-04-14 09:44 /dev/video5
crw-rw—- 1 media camera 81, 6 2023-04-14 09:44 /dev/video6
crw-rw—- 1 media camera 81, 7 2023-04-14 09:44 /dev/video7
crw-rw—- 1 media camera 81, 8 2023-04-14 09:44 /dev/video8
crw-rw—- 1 media camera 81, 9 2023-04-14 09:44 /dev/video9# 设备信息
rk3566_r:/ # v4l2-ctl –list-devices
rkisp-statistics (platform: rkisp):/dev/video12/dev/video13rkcif (platform:rkcif_mipi_lvds):/dev/video0/dev/video1/dev/video2/dev/video3/dev/video4rkisp_mainpath (platform:rkisp-vir0):/dev/video5/dev/video6/dev/video7/dev/video8/dev/video9/dev/video10/dev/video11UC40A Audio: UC40A Video (usb-xhci-hcd.1.auto-1.3):/dev/video14/dev/video15# 查看指定设备信息
rk3566_r:/ # v4l2-ctl -D -d /dev/video15
Driver Info:Driver name : uvcvideoCard type : UC40A Audio: UC40A VideoBus info : usb-xhci-hcd.1.auto-1.3Driver version : 4.19.193Capabilities : 0x84a00001Video CaptureMetadata CaptureStreamingExtended Pix FormatDevice CapabilitiesDevice Caps : 0x04a00000Metadata CaptureStreamingExtended Pix Format
Media Driver Info:Driver name : uvcvideoModel : UC40A Audio: UC40A VideoSerial : 01.00.00Bus info : usb-xhci-hcd.1.auto-1.3Media version : 4.19.193Hardware revision: 0x00000902 (2306)Driver version : 4.19.193
Interface Info:ID : 0x03000005Type : V4L Video
Entity Info:ID : 0x00000004 (4)Name : UC40A Audio: UC40A VideoFunction : V4L2 I/O# 设备支持格式
rk3566_r:/ # v4l2-ctl -d /dev/video14 –list-formats
ioctl: VIDIOC_ENUM_FMTIndex : 0Type : Video CapturePixel Format: MJPG (compressed)Name : Motion-JPEGIndex : 1Type : Video CapturePixel Format: YUYVName : YUYV 4:2:2# 设备支持分辨率
rk3566_r:/ # v4l2-ctl -d /dev/video14 –list-framesizesYUYV
ioctl: VIDIOC_ENUM_FRAMESIZESSize: Discrete 2048x1536Size: Discrete 640x480Size: Discrete 3840x2160Size: Discrete 2592x1944Size: Discrete 2688x1512Size: Discrete 1920x1080Size: Discrete 1600x1200Size: Discrete 1280x960Size: Discrete 1280x720Size: Discrete 960x540Size: Discrete 800x600Size: Discrete 640x360结论硬件及驱动到HAL都是正常 忽略中间漫长的排查过程, 直奔主题: 预览的限制主要存在于HAL和framework层 至少RK的SDK是这样的其他平台请勿对号入座。
HAL /vendor/etc/external_camera_config.xml 中的 FpsList 注释List of maximum fps for various output sizes 解决的方法是增加对应缺少的分辨率如Limit width“3840” height“2160” fpsBound“30.0” / ExternalCameraProviderignore !– Internal video devices to be ignored by external camera HAL –!– id0/id – !– No leading/trailing spaces –/ignore/Provider!– See ExternalCameraUtils.cpp for default values of Device configurations below–Device!– Max JPEG buffer size in bytes–MaxJpegBufferSize bytes24883200/ !– 3MB (~ 1080p YUV420) –!– Size of v4l2 buffer queue when streaming 30fps –!– Larger value: more request can be cached pipeline (less janky) –!– Smaller value: use less memory –NumVideoBuffers count4/!– Size of v4l2 buffer queue when streaming 30fps –NumStillBuffers count2/!– List of maximum fps for various output sizes –!– Any image size smaller than the size listed in Limit row will reportfps (as minimum frame duration) up to the fpsBound value. –FpsList!– width/height must be increasing, fpsBound must be decreasing–Limit width176 height144 fpsBound60.0 /Limit width176 height144 fpsBound30.0 /Limit width176 height144 fpsBound20.0 /Limit width176 height144 fpsBound15.0 /Limit width320 height240 fpsBound60.0 /Limit width320 height240 fpsBound30.0 /Limit width320 height240 fpsBound20.0 /Limit width320 height240 fpsBound15.0 /Limit width352 height288 fpsBound30.0 /Limit width352 height288 fpsBound20.0 /Limit width352 height288 fpsBound15.0 /Limit width640 height480 fpsBound60.0 /Limit width640 height480 fpsBound30.0 /Limit width640 height480 fpsBound20.0 /Limit width640 height480 fpsBound15.0 /Limit width640 height480 fpsBound10.0 /Limit width800 height600 fpsBound30.0 /Limit width800 height600 fpsBound20.0 /Limit width800 height600 fpsBound15.0 /Limit width1024 height768 fpsBound30.0 /Limit width1024 height768 fpsBound20.0 /Limit width1024 height768 fpsBound15.0 /Limit width1024 height768 fpsBound10.0 /Limit width1280 height720 fpsBound60.0 /Limit width1280 height720 fpsBound30.0 /Limit width1280 height720 fpsBound20.0 /Limit width1280 height720 fpsBound15.0 /Limit width1280 height720 fpsBound10.0 /Limit width1280 height800 fpsBound30.0 /Limit width1280 height800 fpsBound20.0 /Limit width1280 height800 fpsBound15.0 /Limit width1280 height960 fpsBound30.0 /Limit width1280 height960 fpsBound20.0 /Limit width1280 height960 fpsBound15.0 /Limit width1280 height1024 fpsBound30.0 /Limit width1280 height1024 fpsBound20.0 /Limit width1280 height1024 fpsBound15.0 /Limit width1600 height1200 fpsBound30.0 /Limit width1600 height1200 fpsBound15.0 /Limit width1920 height1080 fpsBound30.0 /Limit width1920 height1080 fpsBound15.0 /Limit width2048 height1536 fpsBound30.0 /Limit width2592 height1944 fpsBound30.0 /Limit width2592 height1944 fpsBound15.0 /Limit width2592 height1944 fpsBound10.0 /Limit width2592 height1944 fpsBound5.0 /Limit width2688 height1512 fpsBound30.0 /Limit width3840 height2160 fpsBound30.0 /!– image size larger than the last entry will not be supported–/FpsList!– orientation –Orientation degree90//Device
/ExternalCamerahardware/interfaces/camera/device/3.4/default/RgaCropScale.cpp diff –git a/hardware/interfaces/camera/device/3.4/default/RgaCropScale.cpp b/hardware/interfaces/camera/device/3.4/default/RgaCropScale.cpp
index 23d018fb6d..4829d1d664 100644
— a/hardware/interfaces/camera/device/3.4/default/RgaCropScale.cppb/hardware/interfaces/camera/device/3.4/default/RgaCropScale.cpp-21,21 21,21 namespace android {namespace camera2 {-#if (defined(TARGET_RK32) || defined(TARGET_RK3368))
//#if (defined(TARGET_RK32) || defined(TARGET_RK3368))#define RGA_VER (2.0)#define RGA_ACTIVE_W (4096)#define RGA_VIRTUAL_W (4096)#define RGA_ACTIVE_H (4096)#define RGA_VIRTUAL_H (4096)-#else
-#define RGA_VER (1.0)
-#define RGA_ACTIVE_W (2048)
-#define RGA_VIRTUAL_W (4096)
-#define RGA_ACTIVE_H (2048)
-#define RGA_VIRTUAL_H (2048)
//#else
//#define RGA_VER (1.0)
//#define RGA_ACTIVE_W (2048)
//#define RGA_VIRTUAL_W (4096)
//#define RGA_ACTIVE_H (2048)
//#define RGA_VIRTUAL_H (2048)-#endif
//#endif
这部分不修改会导致以下问题
and…ternal-service E (dst_width RGA_VIRTUAL_W) || (dst_height RGA_VIRTUAL_H), switch to arm
and…ternal-service I uid1047(cameraserver) ExtCamOut identical 2 lines
and…ternal-service E (dst_width RGA_VIRTUAL_W) || (dst_height RGA_VIRTUAL_H), switch to arm
com…d.quickpreview I Background concurrent copying GC freed 306(35KB) AllocSpace objects, 3(35MB) LOS objects, 48% free, 25MB/49MB, paused 862us total 143.804ms
and…ternal-service E (dst_width RGA_VIRTUAL_W) || (dst_height RGA_VIRTUAL_H), switch to arm
and…ternal-service E (dst_width RGA_VIRTUAL_W) || (dst_height RGA_VIRTUAL_H), switch to arm
and…er2.1-service I [File] : hardware/rockchip/libgralloc/bifrost/src/core/mali_gralloc_formats.cpp; [Line] : 1858; [Func] : rk_gralloc_select_format;AFBC IS disabled for fb_target_layer.
and…ternal-service E (dst_width RGA_VIRTUAL_W) || (dst_height RGA_VIRTUAL_H), switch to arm
and…ternal-service I uid1047(cameraserver) ExtCamOut identical 2 lines
and…ternal-service E (dst_width RGA_VIRTUAL_W) || (dst_height RGA_VIRTUAL_H), switch to arm
and…ternal-service D debugShowFPS(1171): Camera 2176 Frames, 30.105 FPS
and…ternal-service E (dst_width RGA_VIRTUAL_W) || (dst_height RGA_VIRTUAL_H), switch to arm
and…ternal-service I uid1047(cameraserver) ExtCamOut identical 2 lines
and…ternal-service E (dst_width RGA_VIRTUAL_W) || (dst_height RGA_VIRTUAL_H), switch to arm
and…er2.1-service I [File] : hardware/rockchip/libgralloc/bifrost/src/core/mali_gralloc_formats.cpp; [Line] : 1858; [Func] : rk_gralloc_select_format;AFBC IS disabled for fb_target_layer.
and…ternal-service E (dst_width RGA_VIRTUAL_W) || (dst_height RGA_VIRTUAL_H), switch to arm
and…ternal-service I uid1047(cameraserver) ExtCamOut identical 4 lines
and…ternal-service E (dst_width RGA_VIRTUAL_W) || (dst_height RGA_VIRTUAL_H), switch to arm
and…er2.1-service I [File] : hardware/rockchip/libgralloc/bifrost/src/core/mali_gralloc_formats.cpp; [Line] : 1858; [Func] : rk_gralloc_select_format;AFBC IS disabled for fb_target_layer.Framework frameworks/av/services/camera/libcameraservice/api1/client2/Parameters.h 上层接口解除1080P的限制. diff –git a/frameworks/av/services/camera/libcameraservice/api1/client2/Parameters.h b/frameworks/av/services/camera/libcameraservice/api1/client2/Parameters.h
index 3a709c9791..2ee332a8c8 100644
— a/frameworks/av/services/camera/libcameraservice/api1/client2/Parameters.hb/frameworks/av/services/camera/libcameraservice/api1/client2/Parameters.h-199,11 199,11 struct Parameters {// Max preview size allowed// This is set to a 1:1 value to allow for any aspect ratio that has// a max long side of 1920 pixels
static const unsigned int MAX_PREVIEW_WIDTH 1920;
static const unsigned int MAX_PREVIEW_HEIGHT 1920;static const unsigned int MAX_PREVIEW_WIDTH 3840;static const unsigned int MAX_PREVIEW_HEIGHT 2160;// Initial max preview/recording size bound
static const int MAX_INITIAL_PREVIEW_WIDTH 1920;
static const int MAX_INITIAL_PREVIEW_HEIGHT 1080;static const int MAX_INITIAL_PREVIEW_WIDTH 3840;static const int MAX_INITIAL_PREVIEW_HEIGHT 2160;// Aspect ratio tolerancestatic const CONSTEXPR float ASPECT_RATIO_TOLERANCE 0.001;// Threshold for slow jpeg mode 编译验证
编译
mmm hardware/interfaces/camera/device/3.4/default/
push 到主板
#adb push out/target/product/rk3566_r/vendor/lib64/hw/camera.rk30board.so /vendor/lib64/hw/ #adb push out/target/product/rk3566_r/vendor/lib/hw/camera.rk30board.so /vendor/lib/hw/ adb push out/target/product/rk3566_r/vendor/lib/camera.device3.4-external-impl.so /vendor/lib/ adb push out/target/product/rk3566_r/vendor/lib64/camera.device3.4-external-impl.so /vendor/lib64/# 编译 mmm /disk4/anson/rk3568_a11/frameworks/av/services/camera/libcameraservice/:libcameraservice adb push out/target/product/rk3566_r/system/lib/libcameraservice.so /system/lib/ adb push out/target/product/rk3566_r/system/lib64/libcameraservice.so /system/lib64/小插曲 RK的Linux 烧录工具 # 低版本可以烧录 system.img
-s system.img
新版本的SDK中烧录super.img
Linux_Upgrade_Tool_v1.65/upgrade_tool DI -super super.img# 烧录完整固件 Linux_Upgrade_Tool_v1.65/upgrade_tool UF update.img参考 Ubuntu下查看usb摄像头不同压缩格式支持的分辨率
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