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android-opencl-sobel-filter's Introduction

Android OpenCL Sobel Filter:

This is a sobel filter on Android using OpenCL to accelerate. To compile this project,you should using Android NDK and OpenCV-Android. To run this application on your device,you should install OpenCV Manager first. This code is written by Zhangxi Yan,Shuai Wang and Tong Zhou from Xidian University. If you have any question,please contact me by e-mail: [email protected]. Enjoy!

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android-opencl-sobel-filter's Issues

clGetPlatformIDs() gets error

Hi, I build and run your code on my MI5 (Qualcomm 820, Adreno 530) with eclipse. The process of build is ok but I get some errors as follows when code run

Fatal signal 11 (SIGSEGV), code 1, fault addr 0x0 in tid 23010 (Thread-3)
*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
Build fingerprint: 'Xiaomi/gemini/gemini:7.0/NRD90M/7.7.20:user/release-keys'
Revision: '0'
ABI: 'arm'
pid: 22941, tid: 23010, name: Thread-3  >>> com.white.imagesobelfilter <<<
signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x0
    r0 00000001  r1 ce7e3180  r2 cd578f64  r3 00000000
    r4 e8eb1f8c  r5 e8eb2108  r6 e8eaf63c  r7 00000000
    r8 ea5f1d10  r9 00000100  sl 00000000  fp cd57911c
    ip eb414948  sp cd578f28  lr e8ead10f  pc 00000000  cpsr 200f0010
backtrace:
    #00 pc 00000000  <unknown>
    #01 pc 0000210d  /data/app/com.white.imagesobelfilter-1/lib/arm/libSobelFilter.so (_Z9GPU_SobelP9_IplImageS0_+140)
    #02 pc 0000258b  /data/app/com.white.imagesobelfilter-1/lib/arm/libSobelFilter.so (Java_com_white_imagesobelfilter_nativeSobelFilter_sobelFilter+186)
    #03 pc 000652cd  /data/app/com.white.imagesobelfilter-1/oat/arm/base.odex (offset 0x65000)

The failed code is

Android-OpenCL-Sobel-Filter/ImageSobelFilter/jni/ImageSobelFilter.cpp

Line 218 in 8539b26

status = clGetPlatformIDs(0, NULL, &numPlatforms);

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