自 2025 年 3 月 27 日起,我们建议您使用 android-latest-release
而非 aosp-main
构建 AOSP 并为其做出贡献。如需了解详情,请参阅 AOSP 的变更。
使用集合让一切井井有条
根据您的偏好保存内容并对其进行分类。
vehicle_camera_module_t 结构体参考文档
#include <
vehicle_camera.h
>
每个硬件模块都必须有一个名为 HAL_MODULE_INFO_SYM 的数据结构,并且此数据结构的字段必须以
hw_module_t
开头,后跟模块专用信息。
定义位于文件
vehicle_camera.h
的
92
行。
const uint32_t*(* get_camera_device_list)(uint32_t *num_cameras)
|
查询车辆上安装的摄像头的硬件
-
参数
-
num_cameras
|
- 可用的摄像头设备数量。如果返回 0,则表示发生了错误,并且返回指针应为 NULL。
|
-
返回值
-
指向 vehicle_camera_type_t 数组的指针,用于指明安装了哪些摄像头。此指针仅在加载车辆 HAL 时有效。如果指针为 NULL,则表示发生了错误,并且 num_cameras 应为 0。
定义位于文件
vehicle_camera.h
的
105
行。
此结构体的文档是根据以下文件生成的:
本页面上的内容和代码示例受内容许可部分所述许可的限制。Java 和 OpenJDK 是 Oracle 和/或其关联公司的注册商标。
最后更新时间 (UTC):2025-07-26。
[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC):2025-07-26。"],[],[],null,["# Android Hardware Abstraction Layer: vehicle_camera_module_t Struct Reference\n\nvehicle_camera_module_t Struct Reference\n========================================\n\n[Data Fields](#pub-attribs) \nvehicle_camera_module_t Struct Reference \n\n`\n#include \u003c\n`[vehicle_camera.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/vehicle_camera.h)`\n\u003e\n`\n\n|----------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------|\n| Data Fields ----------- ||\n| struct [hw_module_t](/reference/hal/structhw__module__t) | [common](/reference/hal/structvehicle__camera__module__t#a71ea01183b3998cad6a2301a37a42fc7) |\n| ||\n| const uint32_t \\*(\\* | [get_camera_device_list](/reference/hal/structvehicle__camera__module__t#abe4cdad4fc42a1a1fdee2f35eecedbaa) )(uint32_t \\*num_cameras) |\n| ||\n\n\nDetailed Description\n--------------------\n\n\nEvery hardware module must have a data structure named HAL_MODULE_INFO_SYM and the fields of this data structure must begin with\n[hw_module_t](/reference/hal/structhw__module__t)\nfollowed by module specific information.\n\n\nDefinition at line\n[92](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/vehicle_camera.h)\nof file\n[vehicle_camera.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/vehicle_camera.h)\n.\n\nField Documentation\n-------------------\n\n\n|-----------------------------------------------------------------|\n| struct [hw_module_t](/reference/hal/structhw__module__t) common |\n\n\nDefinition at line\n[93](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/vehicle_camera.h)\nof file\n[vehicle_camera.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/vehicle_camera.h)\n.\n\n|---------------------------------------------------------------------|\n| const uint32_t\\*(\\* get_camera_device_list)(uint32_t \\*num_cameras) |\n\n\nQueries the HW for the cameras installed on the vehicle\n\n\nParameters\n:\n\n |-------------|---------------------------------------------------------------------------------------------------------------------|\n | num_cameras | - number of camera devices available. If 0 is returned, an error has occurred and the return pointer shall be NULL. |\n\n\nReturns\n:\n pointer to an array of vehicle_camera_type_t to denote which cameras are installed. This pointer is only valid while the vehicle hal is loaded. If the pointer is NULL, then an error has occurred and num_cameras shall be 0.\n\n\nDefinition at line\n[105](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/vehicle_camera.h)\nof file\n[vehicle_camera.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/vehicle_camera.h)\n.\n\n*** ** * ** ***\n\nThe documentation for this struct was generated from the following file:\n\n- hardware/libhardware/include/hardware/ [vehicle_camera.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/vehicle_camera.h)"]]