Recap multi-camera API from Android Dev Summit 2018

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