The First Stable libcamera Release: A Call for Public API Review
Talkat Open Source Summit Europe + Embedded Linux Conference Europe 2019 · on Tuesday, 2019-10-29· at 15:15· Forum 2·
summary
libcamera reaches one year and offers a concrete userspace camera stack with a C++ public API, V4L2 compatibility layer, and an explicit request-based capture model (generateConfigure → validate → allocate buffers → queue requests). It already supports Intel IPU3, Rockchip rk3399 and UVC devices, exposes per-request controls, signals for request-complete callbacks, and demoed live frame delivery using pipeline depth and buffer reuse. The project enters API stabilization now and opens a public API review starting tomorrow.
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chapters (43)
- 0:00Introduction
- 0:42About the team
- 1:20Supported platforms
- 2:35References
- 3:42Background
- 4:30Why libcamera
- 6:01The stack
- 7:19The API
- 8:35Presentation
- 9:49Camera Manager
- 11:56Camera Images
- 13:03Camera Streams
- 14:27Create a Camera
- 15:31Generate a Configuration
- 16:34Camera Configuration
- 17:11Print Configuration
- 17:27Viewfinder Configuration
- 18:20Configuration Validation
- 19:46Camera Unique Pointers
- 20:51Camera Config
- 21:45Prepare State
- 22:48Requests
- 24:48Buffer API
- 25:22Pushback
- 26:02Summary
- 27:03Callbacks
- 28:13Coalback
- 29:22Camera State
- 29:50Queue
- 30:31Event Loop
- 31:54Queue Request
- 33:39Queue Buffer
- 34:59Im not cheating
- 35:47Reusing requests
- 36:34Deleting requests
- 37:02Synchronization
- 39:30Metadata
- 41:31Validation
- 43:31Default Values
- 45:15Encoding
- 46:05Image Processing
- 47:05Control
- 47:32Lazy valuation
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