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base on xposed安卓虚拟摄像头 android virtual camera on xposed hook # android_virtual_cam
[简体中文](./README.md) | [繁體中文](./README_tc.md) | [English](./README_en.md)
基于Xposed的虚拟摄像头
# 请勿用于任何非法用途,所有后果自负。
### 中国大陆加速地址(Gitee平台): https://gitee.com/w2016561536/android_virtual_cam
## 支持平台:
- 安卓5.0+
## 使用方法
1. 安装此模块,并在Xposed中启用此模块,Lsposed等包含作用域的框架需要选择目标app,无需选择系统框架。
2. 在系统设置中,授予目标应用读取本地存储的权限,并强制结束目标应用程序。若应用程序未申请此权限,请见步骤3。
3. 打开目标应用,若应用未能获得读取存储的权限,则会以气泡消息提示,`Camera1`目录被重定向至应用程序私有目录`/[内部存储]/Android/data/[应用包名]/files/Camera1/`。若未提示,则默认`Camera1`目录为`/[内部存储]/DCIM/Camera1/`。若目录不存在,请手动创建。
> 注意:私有目录下的`Camera1`仅对该应用单独生效。
4. 在目标应用中打开相机预览,会以气泡消息提示“宽:……高:……”,需要根据此分辨率数据制作替换视频,放置于`Camera1`目录下,并命名为`virtual.mp4`,若打开相机并无提示消息,则无需调整视频分辨率。
5. 若在目标应用中拍照却显示真实图片,且出现气泡消息`发现拍照`和分辨率,则需根据此分辨率数据准备一张照片,命名为`1000.bmp`,放入`Camera1`目录下(支持其它格式改后缀为bmp)。如果拍照时无气泡消息提示,则`1000.bmp`无效。
6. 如果需要播放视频的声音,需在`/[内部存储]/DCIM/Camera1/`目录下创建`no-silent.jpg`文件。(全局实时生效)
7. 如果需要临时停用视频替换,需在`/[内部存储]/DCIM/Camera1/`目录下创建`disable.jpg`文件。(全局实时生效)
8. 如果觉得Toast消息烦,可以在`/[内部存储]/DCIM/Camera1/`目录下创建`no_toast.jpg`文件。(全局实时生效)
9. 目录重定向消息默认只显示一次,如果错过了目录重定向的Toast消息,可以在`/[内部存储]/DCIM/Camera1/`目录下创建`force_show.jpg`文件来覆盖默认设定。(全局实时生效)
10. 如果需要为每一个应用程序分配视频,可以在`/[内部存储]/DCIM/Camera1/`目录下创建`private_dir.jpg`强制使用应用程序私有目录。(全局实时生效)
> 注意:6~10的配置开关均在应用程序中,您可以快捷地在应用程序中配置,也可以手动创建文件。
## 常见问题
A1. 前置摄像头方向问题?
Q1. 大多数情况下,替换前置摄像头的视频需要水平翻转并右旋90度,并且视频***处理后***的分辨率应与气泡消息内分辨率相同。但有时这并不需要,具体请根据实际情况判断。
Q2. 画面黑屏,相机启动失败?
A2. 目前有些应用并不能成功替换(特别是系统相机)。或者是因为视频路径不对(是否创建了两级Camera1目录,如`./DCIM/Camera1/Camera1/virtual.mp4`,但只需要一级目录)。
Q3. 画面花屏?
A3. 视频分辨率不对。
Q4. 画面扭曲,变形?
A4. 请使用剪辑软件修改原视频来匹配屏幕。
Q5. 创建`disable.jpg`无效?
A5. 如果应用版本`<=4.0`,那么`[内部存储]/DCIM/Camera1`目录下的文件对**具有访问存储权限**的应用生效,其余无权限应用应在**私有目录**下创建
如果应用版本`>=4.1`,那么应在`[内部存储]/DCIM/Camera1`创建,无论目标应用是否具有权限。
## 反馈问题
请直接在issues中反馈,如果为BUG反馈,请附带Xposed**模块**日志信息。
## 致谢:
提供HOOK思路: https://github.com/wangwei1237/CameraHook
H264硬解码: https://github.com/zhantong/Android-VideoToImages
JPEG转YUV: https://blog.csdn.net/jacke121/article/details/73888732
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