Recap multi-camera API from Android Dev Summit 2018

Talk about what we can do with multi-camera API on Android Pie

Transcript

1. Recap multi-camera API from Android Dev Summit 2018 Chanoma, inc. Tomoaki Imai
2. https://chomp.app/ Located in Bay Area since 2016 Author of Android アプリ設計パターン⼊入⾨門
3. https://youtu.be/u38wOv2a_dA
4. What’s new in Android P? • Physical cameras are exposed to third-party app developers Pre-Pie Pie and beyond
5. What’s new? • Open multiple physical cameras in one session ‣ Developers can retrieve and replace two camera streams simultaneously
6. What’s new? • Open multiple physical camera in one session Camera1 Camera2 Pre-Pie
7. What’s new? • Open multiple physical camera in one session PhysicalCamera0 PhysicalCamera1 Pie and beyond
8. What’s new? • Open multiple physical camera in one session PhysicalCamera0 PhysicalCamera1
9. What’s new? • Open multiple physical camera in one session PhysicalCamera0 PhysicalCamera1
10. What’s new? • Open multiple physical camera in one session PhysicalCamera0 PhysicalCamera1
11. What can we do with this? • Usage ‣ Calculate depth map using 2 cameras ‣ Zoom using 2 cameras depending on focal length
12. Restriction • Physical cameras should be in the same logical group
13. Restriction • Physical cameras should be in the same logical group
14. Restriction • Physical cameras should be in the same logical group Pixel3 [0] : BACK_CAMERA [1] : LOGICAL_CAMERA(FRONT) [2] : PHYSCIAL_CAMERA_1 [3] : PHYSCIAL_CAMERA_2
15. Restriction
16. Restriction • Very few supported device as of Dec, 2018 ‣ Pixel 3 ‣ Huawei Mate 20 Series
17. How does the process change? setup camera ID start Preview open Camera
18. How does the process change? setup camera ID start Preview open Camera
19. How does the process change? setup camera ID start Preview start Camera
20. How does the process change? setup camera ID start Preview open Camera
21. Demo https://github.com/tomoima525/ MultiCameraSample
22. Future of Camera on Android • More devices to support multi-camera API https://source.android.com/compatibility/android-cdd#7_5_4_camera_api_behavior
23. Future of Camera on Android • Less fragmentation ‣ Project Treble https://android-developers.googleblog.com/2018/11/an-update-on-project- treble.html Understand the impact of Generic System Images (GSI) (Android Dev Summit '18) https://youtu.be/Y-HmCIHD63w
24. Future of Camera on Android • Less frustration? ‣ Might become a part of Jetpack?? https://youtu.be/FV3iN4PIB5U?t=2757 (46:00)
25. What should we catch up? • Understand the basic functionality of Camera ‣ WTF focus? ‣ WTF Aperture? ‣ WTF white balance?
26. What should we catch up? • Understand the basic functionality of Camera https://youtu.be/QEVm5MMBluk
27. What should we catch up? • Learn Camera2 Framework ‣ WTF CameraCaptureSession?? ‣ WTF CameraCharacteristics? ‣ WTF with Camera2 API?
28. What should we catch up? • Learn Camera2 Framework https://youtu.be/WU1tzOIpmFw https://speakerdeck.com/tomoima525/camera2-api-and-beyond
29. Wrap up • multi-camera support allows us to control multiple stream simpler • Not many devices are supported as of December 2018