[B! JNI] mikurassã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

mikurass id:mikurass

JNIã«é–¢ã™ã‚‹mikurassã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (7)

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Android JNIãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã‚’ã‚¼ãƒã‹ã‚‰ä½œã‚‹(UsefullCode.net)
UsefullCode.net Visual Studio 2005/2008/2010ã‚„android SDK/NDKã§ã®é–‹ç™ºè€…å‘ã‘ã«ä¾¿åˆ©ãªã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’æä¾› This site provide you with useful source codes under 'USEFULLCODE license'. å‰å›žã¯Android NDKã«å«ã¾ã‚Œã‚‹JNIã‚µãƒ³ãƒ—ãƒ«ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã€ŒHello-jniã€ã‚’ãƒ“ãƒ«ãƒ‰å®Ÿè¡Œã—ãŸã€‚ä»Šå›žã¯Android JNIãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã®æ§‹é€ ã‚’çŸ¥ã‚‹ãŸã‚ã«ã€ã€ŒHello-jniã€ã¨ã¾ã£ãŸãåŒã˜ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã‚’ã‚¼ãƒã‹ã‚‰ä½œæˆã—ã¦ã¿ã‚‹ã€‚ Eclipseã‚’èµ·å‹•ã—ãŸã‚‰ã€ã€ŒFileã€ãƒ¡ãƒ‹ãƒ¥ãƒ¼ã‹ã‚‰ã€ŒAndroid Projectã€ã‚’ä½œæˆã™ã‚‹ã€‚ ä»Šå›žã¯ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆåã‚’ã€ŒTest102Prjã€ã€ã‚¿ãƒ¼ã‚²ãƒƒãƒˆã‚’ã€ŒAndroid 2.3ã€ã€ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸åã‚’ã€Œcom.test102ã€ã€ã‚¢ã‚¯ãƒ†ã‚£ãƒ“ãƒ†ã‚£åã‚’
mikurass 2012/08/16
jni

Android

ä½œæˆ
ãƒªãƒ³ã‚¯
JNIãƒ¡ãƒ¢(Hishidama's Java native interface Memo)
Solarisã®ä¾‹ï¼š % cc -G -I /usr/java/include -I /usr/java/include/solaris JniJikken.c -o libJniJikken.so Solarisã§ã®makefileã®ä¾‹ï¼š all: libJniJikken.so lib%.so: %.c %.h cc -G $< -I /usr/java/include -I /usr/java/include/solaris -o $@ %.h: %.class javah $* %.class: %.java javac $< â†‘ã“ã®ä¾‹ã®å ´åˆã€javaã®ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ãƒ»javahã§ã®ç”Ÿæˆã¾ã§å«ã‚“ã§ã„ã‚‹ã€‚ VC++ã®ä¾‹ï¼š ã‚¤ãƒ³ã‚¯ãƒ«ãƒ¼ãƒ‰ãƒ‘ã‚¹ã®è¿½åŠ æ–¹æ³•å‚ç…§ã€‚ â†“JDK1.6ã®å ´åˆ C:\Program Files\Java\jdk1.6.0\include,C:\Program Files\
mikurass 2012/08/15
java

.so

include

native

C++

JNI
ãƒªãƒ³ã‚¯
http://www.xn--rhq6sw9f0w7aevaf9ak89m.jp/android/androidLecture/firstNDKApplication/firstNDKApplication.html
mikurass 2012/08/15
ndk

android

makefile

c++

JNI

android ndk

C
ãƒªãƒ³ã‚¯
Androidã®NDK 1.5ã§HelloJNIã‚’å‹•ã‹ã™æ‰‹é † - Android(ã‚¢ãƒ³ãƒ‰ãƒã‚¤ãƒ‰)æƒ…å ±-ãƒ–ãƒªãƒªã‚¢ãƒ³ãƒˆã‚µãƒ¼ãƒ“ã‚¹
å…ˆæ—¥ç™ºè¡¨ã•ã‚ŒãŸAndroidã®NDK(Native Development Kit)ã®ãŠé™°ã§apkãƒ•ã‚¡ã‚¤ãƒ«ã«ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’åŒæ¢±ã™ã‚‹ãŸã‚ã«ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’ã™ã¹ã¦ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã™ã‚‹å¿…è¦ãŒãªããªã£ãŸä¸Šã«ã€Windowsã ã‘ã§ã‚‚ä½œæ¥ã§ãã‚‹ã‚ˆã†ã«ãªã‚Šã€é–‹ç™ºãŒã‹ãªã‚Šæ¥½ã«ãªã‚Šã¾ã—ãŸã€‚ ä»Šå›žã¯NDKã«ä»˜å±žã—ã¦ã„ã‚‹hello-jniã¨ã„ã†å˜ç´”ãªã‚µãƒ³ãƒ—ãƒ«ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã‚’Windowsä¸Šã§ãƒ“ãƒ«ãƒ‰ã€å®Ÿè¡Œã™ã‚‹ã¾ã§ã®æ‰‹é †ã‚’ã¾ã¨ã‚ã¦ã¿ã¾ã—ãŸã€‚ æº–å‚™ cygwinã®ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã€ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« ã“ã“ã‹ã‚‰ã®ã‚¢ã‚¤ã‚³ãƒ³ã‚’ã‚¯ãƒªãƒƒã‚¯ã—ã¦setup.exeã‚’ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã—ã¾ã™ã€‚ setup.exeã‚’å®Ÿè¡Œã™ã‚‹ã¨ä»¥ä¸‹ã®ã‚ˆã†ãªç”»é¢ã«ãªã‚‹ã®ã§ã€ã€Œæ¬¡ã¸(N)ã€ã‚’æŠ¼ã—ã¦å…ˆã«é€²ã¿ã¾ã™ã€‚ ã•ã‚‰ã«ã€Œæ¬¡ã¸(N)ã€ã‚’æŠ¼ã—ã¦å…ˆã«é€²ã¿ã¾ã™ã€‚ cygwinã®rootãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚’å¤‰æ›´ã™ã‚‹å¿…è¦ãŒãªã‘ã‚Œã°ã€ä½•ã‚‚å¤‰æ›´ã›ãšã«ã€Œæ¬¡ã¸(N)ã€ã‚’æŠ¼ã—ã¦å…ˆã«é€²ã¿ã¾ã™ã€‚ cygwinãƒ‘ãƒƒ
mikurass 2012/08/10
Android

ndk

cygwin

JNI

é–‹ç™º
ãƒªãƒ³ã‚¯
Android NDKã§libjpegã‚’ãƒ“ãƒ«ãƒ‰ã—ã¦åˆ©ç”¨ã™ã‚‹(UsefullCode.net)
UsefullCode.net Visual Studio 2005/2008/2010ã‚„android SDK/NDKã§ã®é–‹ç™ºè€…å‘ã‘ã«ä¾¿åˆ©ãªã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’æä¾› This site provide you with useful source codes under 'USEFULLCODE license'. ä»Šå›žã¯IJGã®JPEGãƒ©ã‚¤ãƒ–ãƒ©ãƒªï¼ˆlibjpegã€jpeglibï¼‰ã‚’Android NDKã‹ã‚‰åˆ©ç”¨ã—ã¦Jpgãƒ•ã‚¡ã‚¤ãƒ«ã‚’è¡¨ç¤ºã™ã‚‹ã€‚ ã¾ãšIndependent JPEG Groupã‹ã‚‰JPEGãƒ©ã‚¤ãƒ–ãƒ©ãƒªã®ã‚½ãƒ¼ã‚¹ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã™ã‚‹ã€‚ã€Œjpegsr8c.zipã€ã¨ã„ã†ãƒ•ã‚¡ã‚¤ãƒ«ã ã£ãŸã€‚ EasyProjectGenerator for Androidã§é››å½¢ã¨ãªã‚‹Android ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã‚’ä½œæˆã™ã‚‹ã€‚ä»Šå›žã¯C++ã§NativeViewã‚’åˆ©ç”¨ã™ã‚‹ã€‚ ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã—ãŸJPEGãƒ©ã‚¤ãƒ–ãƒ©ãƒªã®
mikurass 2012/03/13
libjpeg

jpeg

JNI

android

NDK
ãƒªãƒ³ã‚¯
ã€ŽAndroid Cè¨€èªžã‚’è§¦ã‚‹ï¼ˆJNI, NDK ãªã©åŸºç¤ŽçŸ¥è˜ï¼‰ã€
ç”»åƒå‡¦ç†ã§ã¯RGBå½¢å¼ã®ä»–ã«YUVå½¢å¼ãŒã‚ã‚‹ã€‚ YUVå½¢å¼ã®ãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆã¯ä¸€èˆ¬ã«Planar, Semi-Planar, Interleavedã®ï¼“ã¤ã‚ã‚‹ã€‚ å°šã“ã“ã§Cr == Vã€Cv == Uã€€ã¨åŒã˜æ„å‘³ã§ã‚ã‚‹ã“ã¨ã«æ³¨æ„ã€‚ planarã¯ãã‚Œãžã‚Œã®YUVã®ãƒãƒ£ãƒ³ãƒãƒ«æ¯Žã«ã¾ã¨ã‚ã¦ãƒ‡ãƒ¼ã‚¿ãŒç½®ã‹ã‚Œã¦ã„ã‚‹ã€‚ semi-planarã¯Yã ã‘ãƒ‡ãƒ¼ã‚¿ãŒç½®ã‹ã‚Œã¦ãŠã‚Šã€UVã¯äº¤äº’ã«ä¸¦ã‚“ã§ã„ã‚‹ã€‚ interleavedã¯YUVãŒäº¤äº’ã«ä¸¦ã‚“ã§ç½®ã‹ã‚Œã¦ã„ã‚‹ã€‚ 444ã§ã‚ã‚Œã°ã€ãã‚Œãžã‚Œã®ãƒãƒ£ãƒ³ãƒãƒ«ã¯ãƒ•ãƒ«ã§ã‚µã‚¤ã‚ºåˆ†ã‚‚ã£ã¦ãŠã‚Šã€ 422ã§ã‚ã‚Œã°Yã ã‘ãƒ•ãƒ«ã€U, Vã¯1/2ãšã¤ã€ 420(åˆ¥å411)ã¯Yã ã‘ãƒ•ãƒ«ã€U, Vã¯1/4ãšã¤æŒã¤ã€‚ 422, 420ã«ã™ã‚‹ç†ç”±ã¯ãƒ‡ãƒ¼ã‚¿é‡åœ§ç¸®ã®ãŸã‚ã§ã‚ã‚‹ã€‚ Androidã«ãŠã„ã¦ã‚«ãƒ¡ãƒ©ãƒ‡ãƒã‚¤ã‚¹ã‹ã‚‰æ¥ã‚‹ãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆã¯Androidã¯420 semiplanar( 420SP )ã§
mikurass 2012/03/09
Android

NDK

JNI

C

Cè¨€èªž

é«˜é€ŸåŒ–

ç”»åƒ
ãƒªãƒ³ã‚¯
JNIã‚ˆã‚Šç°¡å˜ã«Javaã¨C/C++ã‚’ã¤ãªãã€ŒJNAã€ã¨ã¯ï¼ˆ1/4ï¼‰ï¼ï¼ IT
ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã®æ™®åŠã«åŠ ãˆã¦ã€ãƒªãƒƒãƒã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆï¼RIAã®ç™ºå±•ã¨ã¨ã‚‚ã«ã€ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®å½¢æ…‹ã¯ã€C/Sï¼ˆã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆ/ã‚µãƒ¼ãƒï¼‰ã‚·ã‚¹ãƒ†ãƒ ã‹ã‚‰ã€Webã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚·ã‚¹ãƒ†ãƒ ã«ã‚·ãƒ•ãƒˆã—ã¦ã„ã¾ã™ã€‚ä¸€èˆ¬ã®æƒ…å ±ç™ºä¿¡ã‚·ã‚¹ãƒ†ãƒ ã ã‘ã§ã¯ãªãã€ä¼æ¥ã®åŸºå¹¹æƒ…å ±ã‚·ã‚¹ãƒ†ãƒ ã¾ã§ã€ç››ã‚“ã«Webã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã§æ§‹ç¯‰ã™ã‚‹ã‚ˆã†ã«ãªã‚Šã¾ã—ãŸã€‚ ã“ã®å¤‰åŒ–ã®ä¸»å½¹ã§ã‚ã‚‹ã¨ã„ã‚ã‚Œã‚‹ã€Java æŠ€è¡“ã¯ã€Webã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚·ã‚¹ãƒ†ãƒ ã®ç™ºå±•ã¨ã¨ã‚‚ã«ã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®è¦ªå’Œæ€§ã‚„ã€ãƒ—ãƒ©ãƒƒãƒˆãƒ•ã‚©ãƒ¼ãƒ é©ç”¨ã®å¤šæ§˜æ€§ã§ã€åºƒãå—ã‘å…¥ã‚Œã‚‰ã‚Œã¦ã€Webã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚·ã‚¹ãƒ†ãƒ é–‹ç™ºã®åŸºç›¤æŠ€è¡“ã«ãªã£ã¦ã„ã¾ã™ã€‚ ã“ã‚Œã¾ã§ã®C/Sã‚·ã‚¹ãƒ†ãƒ ã§ã¯ã€ã‚µãƒ¼ãƒãƒã‚¸ãƒƒã‚¯ã¯C/C++ã§å®Ÿè£…ã•ã‚Œã‚‹ã‚±ãƒ¼ã‚¹ãŒä¸€èˆ¬çš„ã§ã—ãŸã€‚C/Sã‚·ã‚¹ãƒ†ãƒ ã‹ã‚‰Webã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚·ã‚¹ãƒ†ãƒ ã«ã‚·ãƒ•ãƒˆã™ã‚‹éš›ã«ã€Java æŠ€è¡“ã‚’å°Žå…¥ã™ã‚‹ã“ã¨ã‚’æ±ºã‚ãŸå ´åˆã€Java æŠ€è¡“ã§ã€ã™ã¹ã¦æ–°è¦é–‹ç™ºã™ã‚‹ã®ã¯1ã¤ã®é¸æŠžè‚¢ã§ã™ãŒã€
mikurass 2010/12/10
c

c++

java

JNI

JNA

é€£æº

programming

api
ãƒªãƒ³ã‚¯
1