Initial commit: FunASR Speech Recognition Toolkit

Add complete FunASR codebase including models, runtime, and documentation.
2026-07-09 22:38:58 +08:00
commit 6116b1f3c6
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+/**
+ * Copyright FunASR (https://github.com/alibaba-damo-academy/FunASR). All Rights
+ * Reserved. MIT License  (https://opensource.org/licenses/MIT)
+ */
+/* 2023 by burkliu(刘柏基) liubaiji@xverse.cn */
+
+#include <string>
+#include <thread>
+#include <mutex>
+#include <unistd.h>
+
+#include "grpcpp/server_builder.h"
+#include "paraformer.grpc.pb.h"
+#include "funasrruntime.h"
+#include "tclap/CmdLine.h"
+#include "com-define.h"
+#include "glog/logging.h"
+
+using paraformer::WavFormat;
+using paraformer::DecodeMode;
+using paraformer::Request;
+using paraformer::Response;
+using paraformer::ASR;
+
+typedef struct
+{
+  std::string msg;
+  float  snippet_time;
+} FUNASR_RECOG_RESULT;
+
+class GrpcEngine {
+ public:
+  GrpcEngine(grpc::ServerReaderWriter<Response, Request>* stream, std::shared_ptr<FUNASR_HANDLE> asr_handler);
+  void operator()();
+
+ private:
+  void DecodeThreadFunc();
+  void OnSpeechStart();
+  void OnSpeechData();
+  void OnSpeechEnd();
+
+  grpc::ServerReaderWriter<Response, Request>* stream_;
+  std::shared_ptr<Request> request_;
+  std::shared_ptr<Response> response_;
+  std::shared_ptr<FUNASR_HANDLE> asr_handler_;
+  std::string audio_buffer_;
+  std::shared_ptr<std::thread> decode_thread_ = nullptr;
+  bool is_start_ = false;
+  bool is_end_ = false;
+
+  std::vector<int> chunk_size_ = {5, 10, 5};
+  int sampling_rate_ = 16000;
+  std::string encoding_;
+  ASR_TYPE mode_ = ASR_TWO_PASS;
+  int step_duration_ms_ = 100;
+
+  std::unique_ptr<std::mutex> p_mutex_= std::make_unique<std::mutex>(); // mutex is not moveable
+};
+
+class GrpcService final : public ASR::Service {
+  public:
+    GrpcService(std::map<std::string, std::string>& config, int num_thread);
+    grpc::Status Recognize(grpc::ServerContext* context, grpc::ServerReaderWriter<Response, Request>* stream);
+
+  private:
+    std::map<std::string, std::string> config_;
+    std::shared_ptr<FUNASR_HANDLE> asr_handler_;
+};