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PDAF Library

What is a PDAF Library

PDAF Library converts phase difference data from image sensor into defocus.
PDAF gets defocus from PDAF Library and notify defocus to HybridAF.
HybridAF controls PDAF and ContrastAF to get fine focus in short time.
Software components of PDAF, ContrastAF and HybridAF are assumed to be
developed by user. For detail, please refer to
specification document.

Repository structure

Folder and file structure of this repository is the following list.

root/  
    src/                           // Folder contains source code  
         PdafLibrary.c             // Source code of PDAF Library  
         PdafLibrary.h             // Header file of PDAF Library  
         PdafMathFunc.c            // Source code of math function  
         PdafMathFunc.h            // Header file of math function  
    docs/                          // Folder contains document  
         PDAF_Library_API_Specification.pdf // Specification document  
    LICENSE                        // License file  
    README.md                      // This file  
    RELEASENOTE.md                 // Release note

How to build PDAF Library

Please build PDAF Library on your environment in which you want.

The following example is simple "Application.mk" and "Android.mk"
to build shared library on Android NDK.
Please put PDAF Library source code and "Application.mk" and "Android.mk"
on same directory named "jni".
And command "ndk-build".

#Application.mk 
APP_ABI        := arm64-v8a 
APP_OPTIM      := release 
APP_PLATFROM   := android-23   # Android 6.0  
#Android.mk  
include $(CLEAR_VARS)  
LOCAL_PATH        := .  
LOCAL_MODULE      := PdafLibrary  
LOCAL_SRC_FILES   := PdafLibrary.c PdafMathfunc.c  
include $(BUILD_SHARED_LIBRARY)

How to use PDAF Library

Please see the following documentation.

Support platforms

  • android
  • windows 10 mobile

Release Notes

Please see the following link.

License

The BSD-3-Clause license.

See LICENSE for details.