add recipe for vad

runtime/examples/silero_vad/.gitignore

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+data

runtime/examples/silero_vad/local/build.sh

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+ANDROID_NDK=/workspace/zhanghui/android-sdk/android-ndk-r25c
+ANDROID_TOOLCHAIN=clang
+FASTDEPLOY_INSTALL_DIR=./fdlib/fastdeploy-android-1.0.3-shared/
+TOOLCHAIN_FILE=${ANDROID_NDK}/build/cmake/android.toolchain.cmake
+
+cmake -B build  -DCMAKE_TOOLCHAIN_FILE=${TOOLCHAIN_FILE} \
+         -DCMAKE_BUILD_TYPE=Release \
+         -DANDROID_ABI="arm64-v8a" \
+         -DANDROID_NDK=${ANDROID_NDK} \
+         -DANDROID_PLATFORM="android-21" \
+         -DANDROID_STL=c++_shared \
+         -DANDROID_TOOLCHAIN=${ANDROID_TOOLCHAIN} \
+         -DFASTDEPLOY_INSTALL_DIR=${FASTDEPLOY_INSTALL_DIR} \
+         -Wno-dev

runtime/examples/silero_vad/local/build_android.sh

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+ANDROID_NDK=/workspace/zhanghui/android-sdk/android-ndk-r25c
+FASTDEPLOY_INSTALL_DIR=./fdlib/fastdeploy-android-1.0.4-shared/
+
+# Setting up Android toolchanin
+ANDROID_ABI=arm64-v8a  # 'arm64-v8a', 'armeabi-v7a'
+ANDROID_PLATFORM="android-21"  # API >= 21
+ANDROID_STL=c++_shared  # 'c++_shared', 'c++_static'
+ANDROID_TOOLCHAIN=clang  # 'clang' only
+TOOLCHAIN_FILE=${ANDROID_NDK}/build/cmake/android.toolchain.cmake
+
+# Create build directory
+BUILD_ROOT=build/Android
+BUILD_DIR=${BUILD_ROOT}/${ANDROID_ABI}-api-21
+#FASDEPLOY_INSTALL_DIR="${BUILD_DIR}/install"
+#mkdir build && mkdir ${BUILD_ROOT} && mkdir ${BUILD_DIR}
+mkdir -p ${BUILD_DIR}
+cd ${BUILD_DIR}
+
+# CMake configuration with Android toolchain
+cmake -DCMAKE_TOOLCHAIN_FILE=${TOOLCHAIN_FILE} \
+      -DCMAKE_BUILD_TYPE=MinSizeRel \
+      -DANDROID_ABI=${ANDROID_ABI} \
+      -DANDROID_NDK=${ANDROID_NDK} \
+      -DANDROID_PLATFORM=${ANDROID_PLATFORM} \
+      -DANDROID_STL=${ANDROID_STL} \
+      -DANDROID_TOOLCHAIN=${ANDROID_TOOLCHAIN} \
+      -DFASTDEPLOY_INSTALL_DIR=${FASTDEPLOY_INSTALL_DIR} \
+      -Wno-dev ../../..
+
+# Build FastDeploy Android C++ SDK
+make -j8

runtime/examples/silero_vad/local/download.sh

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+#!/bin/bash
+
+mkdir -p data
+cd data
+
+wget -c https://bj.bcebos.com/paddlehub/fastdeploy/silero_vad.tgz
+
+test -e silero_vad || tar zxvf silero_vad.tgz
+
+wget -c https://bj.bcebos.com/paddlehub/fastdeploy/silero_vad_sample.wav

runtime/examples/silero_vad/path.sh

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+# This contains the locations of binarys build required for running the examples.
+
+unset GREP_OPTIONS
+
+ENGINE_ROOT=$PWD/../../../
+ENGINE_BUILD=$ENGINE_ROOT/build/engine/asr
+
+ENGINE_TOOLS=$ENGINE_ROOT/tools
+TOOLS_BIN=$ENGINE_TOOLS/valgrind/install/bin
+
+[ -d $ENGINE_BUILD ] || { echo "Error: 'build/runtime' directory not found. please ensure that the project build successfully"; }
+
+export LC_AL=C
+
+export PATH=$PATH:$TOOLS_BIN:$ENGINE_BUILD/nnet:$ENGINE_BUILD/decoder:$ENGINE_BUILD/../common/frontend/audio:$ENGINE_BUILD/recognizer
+
+#PADDLE_LIB_PATH=$(python -c "import os; import paddle; include_dir=paddle.sysconfig.get_include(); paddle_dir=os.path.split(include_dir)[0]; libs_dir=os.path.join(paddle_dir, 'libs'); fluid_dir=os.path.join(paddle_dir, 'fluid'); out=':'.join([libs_dir, fluid_dir]); print(out);")
+export LD_LIBRARY_PATH=$PADDLE_LIB_PATH:$LD_LIBRARY_PATH

runtime/examples/silero_vad/run.sh

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+#!/bin/bash
+set -e
+
+. path.sh
+
+nj=40
+stage=-1
+stop_stage=100
+
+. utils/parse_options.sh
+
+# input
+data=data
+exp=exp
+mkdir -p $exp $data
+
+# 1. compile
+if [ ! -d ${SPEECHX_BUILD} ]; then
+    pushd ${SPEECHX_ROOT} 
+    bash build.sh
+
+    # build for android armv8/armv7
+    # bash build_android.sh
+    popd
+fi
+
+ckpt_dir=$data/silero_vad
+wav=$data/silero_vad_sample.wav
+
+if [ ${stage} -le 0 ] && [ ${stop_stage} -ge 0 ];then
+    ./local/download.sh
+fi
+
+
+if [ ${stage} -le 1 ] && [ ${stop_stage} -ge 1 ]; then
+    ./local/decode.sh 
+fi
+

runtime/examples/silero_vad/utils

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+../../../utils