sconscript
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Import([
'env',
'sourceDir',
])
import os
import ctypes
from glob import glob
class AutoFreeCDLL(ctypes.CDLL):
def __del__(self):
ctypes.windll.kernel32.FreeLibrary(self._handle)
synthDriversDir=sourceDir.Dir('synthDrivers')
espeakRepo=Dir("#include/espeak")
espeakSrcDir=espeakRepo.Dir('src')
espeakIncludeDir=espeakSrcDir.Dir('include')
sonicSrcDir=Dir("#include/sonic")
class espeak_VOICE(ctypes.Structure):
_fields_=[
('name',ctypes.c_char_p),
('languages',ctypes.c_char_p),
('identifier',ctypes.c_char_p),
('gender',ctypes.c_byte),
('age',ctypes.c_byte),
('variant',ctypes.c_byte),
('xx1',ctypes.c_byte),
('score',ctypes.c_int),
('spare',ctypes.c_void_p),
]
env=env.Clone()
#Whole-program optimization causes eSpeak to distort and worble with its Klatt4 voice
#Therefore specifically force it off
env.Append(CCFLAGS='/GL-')
env.Append(CCFLAGS='/W0')
env.Append(CPPPATH=['#nvdaHelper/espeak',espeakIncludeDir,espeakIncludeDir.Dir('compat'),sonicSrcDir])
def espeak_compilePhonemeData_buildEmitter(target,source,env):
phSourceIgnores=['error_log','error_intonation','compile_prog_log','compile_report','envelopes.png']
phSources=env.Flatten([[Dir(topDir).File(f) for f in files if f not in phSourceIgnores] for topDir,subdirs,files in os.walk(source[0].abspath)])
sources=env.Flatten([phSources])
targets=[target[0].File(f) for f in ['intonations','phondata','phondata-manifest','phonindex','phontab']]
phSideEffects=[source[0].File(x) for x in phSourceIgnores]
env.SideEffect(phSideEffects,targets)
return targets,sources
def espeak_compilePhonemeData_buildAction(target,source,env):
# We want the eSpeak dll to be freed after each dictionary.
# This is because it writes to stderr but doesn't flush it.
# Unfortunately, there's no way we can flush it or use a different stream
# because our eSpeak statically links the CRT.
espeak=AutoFreeCDLL(espeakLib[0].abspath)
espeak.espeak_ng_InitializePath(espeakRepo.abspath)
espeak.espeak_ng_CompileIntonation(None,None)
espeak.espeak_ng_CompilePhonemeData(22050,None,None)
espeak.espeak_Terminate()
env['BUILDERS']['espeak_compilePhonemeData']=Builder(action=env.Action(espeak_compilePhonemeData_buildAction,"Compiling phoneme data"),emitter=espeak_compilePhonemeData_buildEmitter)
def espeak_compileDict_buildAction(target,source,env):
# We want the eSpeak dll to be freed after each dictionary.
# This is because it writes to stderr but doesn't flush it.
# Unfortunately, there's no way we can flush it or use a different stream
# because our eSpeak statically links the CRT.
espeak=AutoFreeCDLL(espeakLib[0].abspath)
espeak.espeak_Initialize(0,0,target[0].Dir('..').abspath,0x8000)
try:
lang=source[0].name.split('_')[0]
v=espeak_VOICE(languages=lang+'\x00')
if espeak.espeak_SetVoiceByProperties(ctypes.byref(v))!=0:
print "espeak_compileDict_action: failed to switch to language %s"%lang
return 1
dictPath=os.path.split(source[0].abspath)[0]+'/'
if espeak.espeak_ng_CompileDictionary(dictPath,None,0,None)!=0:
print "espeak_compileDict_action: failed to compile dictionary for language %s"%lang
return
finally:
espeak.espeak_Terminate()
sonicLib=env.StaticLibrary(
target='sonic',
srcdir=sonicSrcDir.abspath,
source='sonic.c',
)
espeakLib=env.SharedLibrary(
target='espeak',
srcdir=espeakSrcDir.Dir('libespeak-ng').abspath,
source=[
"speech.c",
"readclause.c",
"compiledict.c",
"dictionary.c",
"intonation.c",
"setlengths.c",
"numbers.c",
"synth_mbrola.c",
"synthdata.c",
"synthesize.c",
"translate.c",
"tr_languages.c",
"voices.c",
"wavegen.c",
"phonemelist.c",
"klatt.c",
"compiledata.c",
"compilembrola.c",
"ieee80.c",
"spect.c",
"espeak_api.c",
"error.c",
sonicLib,
],
LIBS=['advapi32'],
)
phonemeData=env.espeak_compilePhonemeData(espeakRepo.Dir('espeak-data'),espeakRepo.Dir('phsource'))
env.Depends(phonemeData,espeakLib)
# Move any extra dictionaries into dictsource for compilation
env.Install(espeakRepo.Dir('dictsource'),env.Glob(os.path.join(espeakRepo.abspath,'dictsource','extra','*_*')))
#Compile all dictionaries
missingDicts=[] #'mt','tn','tt']
dictSourcePath=espeakRepo.Dir('dictsource').abspath
for f in env.Glob(os.path.join(dictSourcePath,'*_rules')):
lang=f.name.split('_')[0]
if lang in missingDicts: continue
dictFile=env.Command(espeakRepo.Dir('espeak-data').File(lang+'_dict'),f,espeak_compileDict_buildAction)
dictDeps=env.Glob(os.path.join(espeakRepo.abspath,'dictsource',lang+'_*'))
dictDeps.remove(f)
env.Depends(dictFile,dictDeps)
env.Depends(dictFile,[espeakLib,phonemeData])
#Dictionaries can not be compiled in parallel, force SCons not to do this
env.SideEffect('_espeak_compileDict',dictFile)
env.Install(synthDriversDir,espeakLib)
env.RecursiveInstall(synthDriversDir.Dir('espeak-data'),espeakRepo.Dir('espeak-data').abspath)