The Linux Kernel
5.18.0-rc3
Linux Media Infrastructure userspace API
Introduction
Part I - Video for Linux API
1. Common API Elements
1.1. Opening and Closing Devices
1.2. Querying Capabilities
1.3. Application Priority
1.4. Video Inputs and Outputs
1.5. Audio Inputs and Outputs
1.6. Tuners and Modulators
1.7. Video Standards
1.8. Digital Video (DV) Timings
1.9. User Controls
1.10. Extended Controls API
1.11. Camera Control Reference
1.12. Flash Control Reference
1.13. Image Source Control Reference
1.14. Image Process Control Reference
1.15. Codec Control Reference
1.16. Stateless Codec Control Reference
1.17. JPEG Control Reference
1.18. Digital Video Control Reference
1.19. RF Tuner Control Reference
1.20. FM Transmitter Control Reference
1.21. FM Receiver Control Reference
1.22. Detect Control Reference
1.23. Colorimetry Control Reference
1.24. Guidelines for Video4Linux pixel format 4CCs
1.25. Data Formats
1.26. Single- and multi-planar APIs
1.27. Cropping, composing and scaling – the SELECTION API
1.28. Image Cropping, Insertion and Scaling – the CROP API
1.29. Streaming Parameters
2. Image Formats
3. Input/Output
4. Interfaces
5. Libv4l Userspace Library
6. Changes
7. Function Reference
8. Common definitions for V4L2 and V4L2 subdev interfaces
9. Video For Linux Two Header File
10. Video Capture Example
11. Video Grabber example using libv4l
12. References
Revision and Copyright
Revision History
Part II - Digital TV API
Part III - Remote Controller API
Part IV - Media Controller API
Part V - Consumer Electronics Control API
Generic Error Codes
Glossary
GNU Free Documentation License
Video4Linux (V4L) driver-specific documentation
Media subsystem admin and user guide
Media subsystem kernel internal API
The Linux Kernel
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Linux Media Infrastructure userspace API
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Part I - Video for Linux API
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1.
Common API Elements
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1.27.
Cropping, composing and scaling – the SELECTION API
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1.27.
Cropping, composing and scaling – the SELECTION API
¶
1.27.1. Introduction
1.27.2. Selection targets
1.27.3. Configuration
1.27.4. Comparison with old cropping API
1.27.5. Examples