Ndk compilation Common Errors-you know

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Error:

Compile++ thumb  : AndroidCamera <= bufferqueue.cppjni/newBuffer/bufferqueue.cpp:10:17: fatal error: queue: No such file or directory

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Answer:

Add application. mk:

APP_CFLAGS += -fexceptionsAPP_STL := gnustl_static

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Error:

error: 'printf' was not declared in this scope

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Answer: Add a header

#include "stdio.h"

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Error:

/Users/ericyang/android-ndk-r8d/toolchains/arm-linux-androideabi-4.6/prebuilt/darwin-x86/bin/../lib/gcc/arm-linux-androideabi/4.6/../../../../arm-linux-androideabi/bin/ld: ./obj/local/armeabi/objs/AndroidCamera/newDecoder/DecodeLib.o: in function initDecode():jni/newDecoder/DecodeLib.cpp:29: error: undefined reference to 'avcodec_find_decoder'

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Answer:

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// Not in. find the method 'createqueue 'was not declared in this scope // not found in. c /. find the corresponding implementation androidcamera in CPP. CPP: 58: Error: Undefined reference to 'createqueue'

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Error:

/Users/ericyang/android-ndk-r8d/toolchains/arm-linux-androideabi-4.6/prebuilt/darwin-x86/bin/../lib/gcc/arm-linux-androideabi/4.6/../../../../arm-linux-androideabi/bin/ld: error: ./obj/local/armeabi/libavcodec.a: no archive symbol table (run ranlib)

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Answer:

victormatoiMac:newDecoder ericyang$ lipo -info libavcodec.a input file libavcodec.a is not a fat fileNon-fat file: libavcodec.a is architecture: armv7victormatoiMac:newDecoder ericyang$ lipo -info libavformat.a input file libavformat.a is not a fat fileNon-fat file: libavformat.a is architecture: armv7victormatoiMac:newDecoder ericyang$ lipo -info libavutil.a input file libavutil.a is not a fat fileNon-fat file: libavutil.a is architecture: armv7

victormatoiMac:TestCamera ericyang$ lipo -info jni/libx264.a lipo: archive with no architecture specification: jni/libx264.a (can't determine architecture for it)

victormatoiMac:TestCamera ericyang$ lipo -info jni/libCorePlot-CocoaTouch.a input file jni/libCorePlot-CocoaTouch.a is not a fat fileNon-fat file: jni/libCorePlot-CocoaTouch.a is architecture: armv7

victormatoiMac:newDecoder ericyang$ ranlib libavcodec.a victormatoiMac:newDecoder ericyang$ ranlib libavformat.a ranlib: file: libavformat.a(os_support.o) has no symbolsvictormatoiMac:newDecoder ericyang$ ranlib libavutil.a 

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Old archive libiary -- error --- 0.10.2 --

SharedLibrary  : libAndroidCamera.so/Users/ericyang/android-ndk-r8d/toolchains/arm-linux-androideabi-4.7/prebuilt/darwin-x86/bin/../lib/gcc/arm-linux-androideabi/4.7/../../../../arm-linux-androideabi/bin/ld: error: ./obj/local/armeabi/libavcodec.a: no archive symbol table (run ranlib)/Users/ericyang/android-ndk-r8d/toolchains/arm-linux-androideabi-4.7/prebuilt/darwin-x86/bin/../lib/gcc/arm-linux-androideabi/4.7/../../../../arm-linux-androideabi/bin/ld: error: ./obj/local/armeabi/libavutil.a: no archive symbol table (run ranlib)/Users/ericyang/android-ndk-r8d/toolchains/arm-linux-androideabi-4.7/prebuilt/darwin-x86/bin/../lib/gcc/arm-linux-androideabi/4.7/../../../../arm-linux-androideabi/bin/ld: error: ./obj/local/armeabi/libavformat.a: no archive symbol table (run ranlib)jni/newDecoder/DecodeLib.cpp:25: error: undefined reference to 'avcodec_register'jni/newDecoder/DecodeLib.cpp:29: error: undefined reference to 'avcodec_find_decoder'jni/newDecoder/DecodeLib.cpp:39: error: undefined reference to 'avcodec_alloc_context3'jni/newDecoder/DecodeLib.cpp:49: error: undefined reference to 'avcodec_alloc_frame'jni/newDecoder/DecodeLib.cpp:60: error: undefined reference to 'avcodec_open2'jni/newDecoder/DecodeLib.cpp:65: error: undefined reference to 'av_init_packet'jni/newDecoder/DecodeLib.cpp:68: error: undefined reference to 'ff_h264_decoder'jni/newDecoder/DecodeLib.cpp:74: error: undefined reference to 'avcodec_close'jni/newDecoder/DecodeLib.cpp:80: error: undefined reference to 'av_free'collect2: error: ld returned 1 exit status

Old archive libiary -- error --- 0.81 --

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In file included from /Users/ericyang/android-ndk-r8d/platforms/android-14/arch-arm/usr/include/stdlib.h:40:0,                 from jni/newDecoder/ffmpeg/libavutil/log.c:32:/Users/ericyang/android-ndk-r8d/platforms/android-14/arch-arm/usr/include/string.h:58:15: note: previous declaration of 'strncasecmp' was herejni/newDecoder/ffmpeg/libavutil/log.c: In function 'colored_fputs':jni/newDecoder/ffmpeg/libavutil/log.c:109:21: error: implicit declaration of function 'isatty' [-Werror=implicit-function-declaration]

** Remove werror

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/Users/ericyang/android-ndk-r8d/platforms/android-14/arch-arm/usr/include/string.h:58:15: note: previous declaration of 'strncasecmp' was hereIn file included from jni/newDecoder/ffmpeg/libavutil/parseutils.c:31:0:jni/newDecoder/ffmpeg/libavutil/parseutils.h:146:25: warning: 'struct tm' declared inside parameter list [enabled by default]jni/newDecoder/ffmpeg/libavutil/parseutils.h:146:25: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]jni/newDecoder/ffmpeg/libavutil/parseutils.c:450:74: warning: 'struct tm' declared inside parameter list [enabled by default]jni/newDecoder/ffmpeg/libavutil/parseutils.c: In function 'small_strptime':jni/newDecoder/ffmpeg/libavutil/parseutils.c:465:19: error: dereferencing pointer to incomplete typejni/newDecoder/ffmpeg/libavutil/parseutils.c:471:19: error: dereferencing pointer to incomplete typejni/newDecoder/ffmpeg/libavutil/parseutils.c:477:19: error: dereferencing pointer to incomplete typejni/newDecoder/ffmpeg/libavutil/parseutils.c:483:19: error: dereferencing pointer to incomplete typejni/newDecoder/ffmpeg/libavutil/parseutils.c:489:19: error: dereferencing pointer to incomplete typejni/newDecoder/ffmpeg/libavutil/parseutils.c:495:19: error: dereferencing pointer to incomplete type

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Error:

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Answer:

6.1 error: libavcodec/codec_names.h: no such file or directory

Source Document http://bbs.rosoo.net/thread-13749-1-1.html

Run in the FFMPEG directory

Cat libavcodec/avcodec. H | libavcodec/codec_names.sh config. h libavcodec/codec_names.h

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Compiled logs in about 10 minutes.

Install        : libAndroidCamera.so => libs/armeabi/libAndroidCamera.so

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Error:

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Answer:

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