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#!/usr/bin/python
from optparse import OptionParser
from shutil import rmtree
import os
architecture = 'armeabi'
excludedHeaders = set(['hdf5.h', 'cap_ios.h', 'ios.h', 'eigen.hpp', 'cxeigen.hpp']) #TOREMOVE
systemIncludes = ['sources/cxx-stl/gnu-libstdc++/4.6/include', \
'/opt/android-ndk-r8c/platforms/android-8/arch-arm', # TODO: check if this one could be passed as command line arg
'sources/cxx-stl/gnu-libstdc++/4.6/libs/armeabi-v7a/include']
targetLibs = ['libopencv_java.so']
preamble = ['Eigen/Core']
# TODO: get gcc_options automatically
gcc_options = ['-fexceptions', '-frtti', '-Wno-psabi', '--sysroot=/opt/android-ndk-r8c/platforms/android-8/arch-arm', '-fpic', '-D__ARM_ARCH_5__', '-D__ARM_ARCH_5T__', '-D__ARM_ARCH_5E__', '-D__ARM_ARCH_5TE__', '-fsigned-char', '-march=armv5te', '-mtune=xscale', '-msoft-float', '-fdata-sections', '-ffunction-sections', '-Wa,--noexecstack ', '-W', '-Wall', '-Werror=return-type', '-Werror=address', '-Werror=sequence-point', '-Wformat', '-Werror=format-security', '-Wmissing-declarations', '-Wundef', '-Winit-self', '-Wpointer-arith', '-Wshadow', '-Wsign-promo', '-Wno-narrowing', '-fdiagnostics-show-option', '-fomit-frame-pointer', '-mthumb', '-fomit-frame-pointer', '-O3', '-DNDEBUG ', '-DNDEBUG']
excludedOptionsPrefix = '-W'
def GetHeaderFiles(root):
headers = []
for path in os.listdir(root):
if not os.path.isdir(os.path.join(root, path)) \
and os.path.splitext(path)[1] in ['.h', '.hpp'] \
and not path in excludedHeaders:
headers.append(os.path.join(root, path))
return sorted(headers)
def GetClasses(root, prefix):
classes = []
if ('' != prefix):
prefix = prefix + '.'
for path in os.listdir(root):
currentPath = os.path.join(root, path)
if (os.path.isdir(currentPath)):
classes += GetClasses(currentPath, prefix + path)
else:
name = str.split(path, '.')[0]
ext = str.split(path, '.')[1]
if (ext == 'class'):
classes.append(prefix + name)
return classes
def GetJavaHHeaders():
print('Generating JNI headers for Java API ...')
javahHeaders = os.path.join(managerDir, 'javah_generated_headers')
if os.path.exists(javahHeaders):
rmtree(javahHeaders)
os.makedirs(os.path.join(os.getcwd(), javahHeaders))
AndroidJavaDeps = os.path.join(SDK_path, 'platforms/android-11/android.jar')
classPath = os.path.join(managerDir, 'sdk/java/bin/classes')
if not os.path.exists(classPath):
print('Error: no Java classes found in \'%s\'' % classPath)
quit()
allJavaClasses = GetClasses(classPath, '')
if not allJavaClasses:
print('Error: no Java classes found')
quit()
for currentClass in allJavaClasses:
os.system('javah -d %s -classpath %s:%s %s' % (javahHeaders, classPath, \
AndroidJavaDeps, currentClass))
print('Building JNI headers list ...')
jniHeaders = GetHeaderFiles(javahHeaders)
return jniHeaders
def GetImmediateSubdirs(dir):
return [name for name in os.listdir(dir)
if os.path.isdir(os.path.join(dir, name))]
def GetOpenCVModules():
makefile = open(os.path.join(managerDir, 'sdk/native/jni/OpenCV.mk'), 'r')
makefileStr = makefile.read()
left = makefileStr.find('OPENCV_MODULES:=') + len('OPENCV_MODULES:=')
right = makefileStr[left:].find('\n')
modules = makefileStr[left:left+right].split()
modules = filter(lambda x: x != 'ts' and x != 'androidcamera', modules)
return modules
def FindHeaders(includeJni):
headers = []
print('Building Native OpenCV header list ...')
cppHeadersFolder = os.path.join(managerDir, 'sdk/native/jni/include/opencv2')
modulesFolders = GetImmediateSubdirs(cppHeadersFolder)
modules = GetOpenCVModules()
cppHeaders = []
for m in modules:
for f in modulesFolders:
moduleHeaders = []
if f == m:
moduleHeaders += GetHeaderFiles(os.path.join(cppHeadersFolder, f))
if m == 'flann':
flann = os.path.join(cppHeadersFolder, f, 'flann.hpp')
moduleHeaders.remove(flann)
moduleHeaders.insert(0, flann)
cppHeaders += moduleHeaders
cppHeaders += GetHeaderFiles(cppHeadersFolder)
headers += cppHeaders
cHeaders = GetHeaderFiles(os.path.join(managerDir, \
'sdk/native/jni/include/opencv'))
headers += cHeaders
if (includeJni):
headers += GetJavaHHeaders()
return headers
def FindLibraries():
libraries = []
for lib in targetLibs:
libraries.append(os.path.join(managerDir, 'sdk/native/libs', architecture, lib))
return libraries
def FindIncludes():
includes = [os.path.join(managerDir, 'sdk', 'native', 'jni', 'include'),
os.path.join(managerDir, 'sdk', 'native', 'jni', 'include', 'opencv'),
os.path.join(managerDir, 'sdk', 'native', 'jni', 'include', 'opencv2')]
for inc in systemIncludes:
includes.append(os.path.join(NDK_path, inc))
return includes
def FilterGCCOptions():
gcc = filter(lambda x: not x.startswith(excludedOptionsPrefix), gcc_options)
return sorted(gcc)
def WriteXml(version, headers, includes, libraries):
xmlName = version + '.xml'
print '\noutput file: ' + xmlName
try:
xml = open(xmlName, 'w')
except:
print 'Error: Cannot open output file "%s" for writing' % xmlName
quit()
xml.write('<descriptor>')
xml.write('\n\n<version>')
xml.write('\n\t%s' % version)
xml.write('\n</version>')
xml.write('\n\n<headers>')
xml.write('\n\t%s' % '\n\t'.join(headers))
xml.write('\n</headers>')
xml.write('\n\n<include_paths>')
xml.write('\n\t%s' % '\n\t'.join(includes))
xml.write('\n</include_paths>')
# TODO: uncomment when Eigen problem is solved
# xml.write('\n\n<include_preamble>')
# xml.write('\n\t%s' % '\n\t'.join(preamble))
# xml.write('\n</include_preamble>')
xml.write('\n\n<libs>')
xml.write('\n\t%s' % '\n\t'.join(libraries))
xml.write('\n</libs>')
xml.write('\n\n<gcc_options>')
xml.write('\n\t%s' % '\n\t'.join(gcc_options))
xml.write('\n</gcc_options>')
xml.write('\n\n</descriptor>')
if __name__ == '__main__':
usage = '%prog [options] <OpenCV_Manager install directory> <OpenCV_Manager version>'
parser = OptionParser(usage = usage)
parser.add_option('--exclude-jni', dest='excludeJni', action="store_true", default=False, metavar="EXCLUDE_JNI", help='Exclude headers for all JNI functions')
parser.add_option('--sdk', dest='sdk', default='~/NVPACK/android-sdk-linux', metavar="PATH", help='Android SDK path')
parser.add_option('--ndk', dest='ndk', default='/opt/android-ndk-r8c', metavar="PATH", help='Android NDK path')
parser.add_option('--java-api-level', dest='java_api_level', default='14', metavar="JAVA_API_LEVEL", help='Java API level for generating JNI headers')
(options, args) = parser.parse_args()
if 2 != len(args):
parser.print_help()
quit()
managerDir = args[0]
version = args[1]
include_jni = not options.excludeJni
print 'Include Jni headers: %s' % (include_jni)
NDK_path = options.ndk
print 'Using Android NDK from "%s"' % NDK_path
SDK_path = options.sdk
print 'Using Android SDK from "%s"' % SDK_path
headers = FindHeaders(include_jni)
includes = FindIncludes()
libraries = FindLibraries()
gcc_options = FilterGCCOptions()
WriteXml(version, headers, includes, libraries)
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