feat:add windows ctc-decoders compile func

third_party/ctc_decoders/scorer.cpp

@@ -13,7 +13,8 @@
 #include "decoder_utils.h"
 
 using namespace lm::ngram;
-
+// if your platform is windows ,you need add the define
+#define    F_OK    0
 Scorer::Scorer(double alpha,
                double beta,
                const std::string& lm_path,

third_party/ctc_decoders/setup.py

@@ -89,10 +89,11 @@ FILES = [
                                or fn.endswith('unittest.cc'))
 ]
 # yapf: enable
-
-LIBS = ['stdc++']
+# LIBS = ['stdc++']
+LIBS = ['-static-libstdc++']
 if platform.system() != 'Darwin':
-    LIBS.append('rt')
+    # LIBS.append('rt')
+    pass
 
 ARGS = ['-O3', '-DNDEBUG', '-DKENLM_MAX_ORDER=6', '-std=c++11']
 
@@ -126,12 +127,12 @@ decoders_module = [
 ]
 
 setup(
-    name='paddlespeech_ctcdecoders',
+    name='paddlespeech_ldd_ctcdecoders',
     version='0.2.0',
     description="CTC decoders in paddlespeech",
-    author="PaddlePaddle Speech and Language Team",
-    author_email="paddlesl@baidu.com",
+    author="PaddlePaddle Speech user lidongdong compile for windows",
+    author_email="double_dongli@foxmail.com",
     url="https://github.com/PaddlePaddle/PaddleSpeech",
     license='Apache 2.0, GNU Lesser General Public License v3 (LGPLv3) (LGPL-3)',
     ext_modules=decoders_module,
-    py_modules=['paddlespeech_ctcdecoders'])
+    py_modules=['paddlespeech_ldd_ctcdecoders'])

third_party/install.bat

@@ -0,0 +1,24 @@
+@echo off
+
+cd ctc_decoders
+if not exist kenlm (
+    git clone https://github.com/Doubledongli/kenlm.git
+    cd kenlm/
+    git checkout df2d717e95183f79a90b2fa6e4307083a351ca6a
+    cd ..
+    @echo.
+)
+
+if not exist openfst-1.6.3 (
+    echo "Download and extract openfst ..."
+    git clone https://gitee.com/koala999/openfst.git
+    ren openfst openfst-1.6.3
+    @echo.
+)
+
+if not exist ThreadPool (
+    git clone https://github.com/progschj/ThreadPool.git
+    @echo.
+)
+echo "Install decoders ..."
+python setup.py install --num_processes 4