说明：此文用来记录整合在学习Multimedia（LCD，Camera等）过程中涉及的方方面面，包括但不限于技术资料，工作经验等。
update 20200422 23:10PM
Android 10 Camera
Android Docs
- Overview
- Camera HAL3
- HAL Subsystem
- Metadata and Controls
- 3A Modes and State Transition
- Request Creation and Submission
- Stream Configurations
- Error and Stream Handling
- Output streams and cropping
- Session Parameters
- Single Producer Multiple Consumer Camera Buffer Transport
- Camera HAL3 Buffer Management APIs
- HEIF Imaging
- Motion Tracking
- Monochrome Cameras
- Multi-Camera Support
- External USB Cameras
- Version Support
Linux V4L2
