From 94de39dde2e616a01683c518023d0fab72b4e103 Mon Sep 17 00:00:00 2001
From: 游雁 <zhifu.gzf@alibaba-inc.com>
Date: 星期一, 19 二月 2024 22:21:50 +0800
Subject: [PATCH] aishell example
---
runtime/websocket/bin/websocket-server-2pass.cpp | 60 +++++++++++++++++++++++++++++++++++++++++++++---------------
1 files changed, 45 insertions(+), 15 deletions(-)
diff --git a/runtime/websocket/bin/websocket-server-2pass.cpp b/runtime/websocket/bin/websocket-server-2pass.cpp
index bd0c590..8c8cab4 100644
--- a/runtime/websocket/bin/websocket-server-2pass.cpp
+++ b/runtime/websocket/bin/websocket-server-2pass.cpp
@@ -18,6 +18,7 @@
extern std::unordered_map<std::string, int> hws_map_;
extern int fst_inc_wts_;
+extern float global_beam_, lattice_beam_, am_scale_;
context_ptr WebSocketServer::on_tls_init(tls_mode mode,
websocketpp::connection_hdl hdl,
@@ -80,6 +81,19 @@
jsonresult["timestamp"] = tmp_stamp_msg;
}
+ std::string tmp_stamp_sents = FunASRGetStampSents(result);
+ if (tmp_stamp_sents != "") {
+ try{
+ nlohmann::json json_stamp = nlohmann::json::parse(tmp_stamp_sents);
+ LOG(INFO) << "offline stamp_sents : " << json_stamp;
+ jsonresult["stamp_sents"] = json_stamp;
+ }catch (std::exception const &e)
+ {
+ LOG(ERROR)<< tmp_stamp_sents << e.what();
+ jsonresult["stamp_sents"] = "";
+ }
+ }
+
return jsonresult;
}
// feed buffer to asr engine for decoder
@@ -96,10 +110,11 @@
bool itn,
int audio_fs,
std::string wav_format,
- FUNASR_HANDLE& tpass_online_handle) {
+ FUNASR_HANDLE& tpass_online_handle,
+ FUNASR_DEC_HANDLE& decoder_handle) {
// lock for each connection
- scoped_lock guard(thread_lock);
if(!tpass_online_handle){
+ scoped_lock guard(thread_lock);
LOG(INFO) << "tpass_online_handle is free, return";
msg["access_num"]=(int)msg["access_num"]-1;
return;
@@ -125,13 +140,15 @@
subvector.data(), subvector.size(),
punc_cache, false, audio_fs,
wav_format, (ASR_TYPE)asr_mode_,
- hotwords_embedding, itn);
+ hotwords_embedding, itn, decoder_handle);
} else {
+ scoped_lock guard(thread_lock);
msg["access_num"]=(int)msg["access_num"]-1;
return;
}
} catch (std::exception const& e) {
+ scoped_lock guard(thread_lock);
LOG(ERROR) << e.what();
msg["access_num"]=(int)msg["access_num"]-1;
return;
@@ -160,12 +177,14 @@
buffer.data(), buffer.size(), punc_cache,
is_final, audio_fs,
wav_format, (ASR_TYPE)asr_mode_,
- hotwords_embedding, itn);
+ hotwords_embedding, itn, decoder_handle);
} else {
+ scoped_lock guard(thread_lock);
msg["access_num"]=(int)msg["access_num"]-1;
return;
}
} catch (std::exception const& e) {
+ scoped_lock guard(thread_lock);
LOG(ERROR) << e.what();
msg["access_num"]=(int)msg["access_num"]-1;
return;
@@ -192,7 +211,7 @@
if(wav_format != "pcm" && wav_format != "PCM"){
websocketpp::lib::error_code ec;
nlohmann::json jsonresult;
- jsonresult["text"] = "ERROR. Real-time transcription service ONLY SUPPORT wav_format pcm.";
+ jsonresult["text"] = "ERROR. Real-time transcription service ONLY SUPPORT PCM stream.";
jsonresult["wav_name"] = wav_name;
jsonresult["is_final"] = true;
if (is_ssl) {
@@ -209,6 +228,7 @@
} catch (std::exception const& e) {
std::cerr << "Error: " << e.what() << std::endl;
}
+ scoped_lock guard(thread_lock);
msg["access_num"]=(int)msg["access_num"]-1;
}
@@ -227,9 +247,12 @@
data_msg->msg["wav_name"] = "wav-default-id";
data_msg->msg["mode"] = "2pass";
data_msg->msg["itn"] = true;
- data_msg->msg["audio_fs"] = 16000;
+ data_msg->msg["audio_fs"] = 16000; // default is 16k
data_msg->msg["access_num"] = 0; // the number of access for this object, when it is 0, we can free it saftly
data_msg->msg["is_eof"]=false; // if this connection is closed
+ FUNASR_DEC_HANDLE decoder_handle =
+ FunASRWfstDecoderInit(tpass_handle, ASR_TWO_PASS, global_beam_, lattice_beam_, am_scale_);
+ data_msg->decoder_handle = decoder_handle;
data_msg->punc_cache =
std::make_shared<std::vector<std::vector<std::string>>>(2);
data_msg->strand_ = std::make_shared<asio::io_context::strand>(io_decoder_);
@@ -256,6 +279,9 @@
// finished and avoid access freed tpass_online_handle
unique_lock guard_decoder(*(data_msg->thread_lock));
if (data_msg->msg["access_num"]==0 && data_msg->msg["is_eof"]==true) {
+ FunWfstDecoderUnloadHwsRes(data_msg->decoder_handle);
+ FunASRWfstDecoderUninit(data_msg->decoder_handle);
+ data_msg->decoder_handle = nullptr;
FunTpassOnlineUninit(data_msg->tpass_online_handle);
data_msg->tpass_online_handle = nullptr;
data_map.erase(hdl);
@@ -313,7 +339,7 @@
data_msg->msg["is_eof"]=true;
guard_decoder.unlock();
to_remove.push_back(hdl);
- LOG(INFO)<<"connection is closed: "<<e.what();
+ LOG(INFO)<<"connection is closed.";
}
iter++;
@@ -383,7 +409,7 @@
}
// hotwords: fst/nn
- if(msg_data->hotwords_embedding == NULL){
+ if(msg_data->hotwords_embedding == nullptr){
std::unordered_map<std::string, int> merged_hws_map;
std::string nn_hotwords = "";
@@ -420,7 +446,7 @@
nn_hotwords += " " + pair.first;
LOG(INFO) << pair.first << " : " << pair.second;
}
- // FunWfstDecoderLoadHwsRes(msg_data->decoder_handle, fst_inc_wts_, merged_hws_map);
+ FunWfstDecoderLoadHwsRes(msg_data->decoder_handle, fst_inc_wts_, merged_hws_map);
// nn
std::vector<std::vector<float>> new_hotwords_embedding = CompileHotwordEmbedding(tpass_handle, nn_hotwords, ASR_TWO_PASS);
@@ -432,7 +458,7 @@
msg_data->msg["audio_fs"] = jsonresult["audio_fs"];
}
if (jsonresult.contains("chunk_size")) {
- if (msg_data->tpass_online_handle == NULL) {
+ if (msg_data->tpass_online_handle == nullptr) {
std::vector<int> chunk_size_vec =
jsonresult["chunk_size"].get<std::vector<int>>();
// check chunk_size_vec
@@ -452,7 +478,9 @@
LOG(INFO) << "jsonresult=" << jsonresult
<< ", msg_data->msg=" << msg_data->msg;
if ((jsonresult["is_speaking"] == false ||
- jsonresult["is_finished"] == true) && msg_data->msg["is_eof"] != true) {
+ jsonresult["is_finished"] == true) &&
+ msg_data->msg["is_eof"] != true &&
+ msg_data->hotwords_embedding != nullptr) {
LOG(INFO) << "client done";
// if it is in final message, post the sample_data to decode
@@ -470,7 +498,8 @@
msg_data->msg["itn"],
msg_data->msg["audio_fs"],
msg_data->msg["wav_format"],
- std::ref(msg_data->tpass_online_handle)));
+ std::ref(msg_data->tpass_online_handle),
+ std::ref(msg_data->decoder_handle)));
msg_data->msg["access_num"]=(int)(msg_data->msg["access_num"])+1;
}
catch (std::exception const &e)
@@ -503,9 +532,9 @@
try{
// post to decode
- if (msg_data->msg["is_eof"] != true) {
+ if (msg_data->msg["is_eof"] != true && msg_data->hotwords_embedding != nullptr) {
std::vector<std::vector<float>> hotwords_embedding_(*(msg_data->hotwords_embedding));
- msg_data->strand_->post(
+ msg_data->strand_->post(
std::bind(&WebSocketServer::do_decoder, this,
std::move(subvector), std::move(hdl),
std::ref(msg_data->msg),
@@ -517,7 +546,8 @@
msg_data->msg["itn"],
msg_data->msg["audio_fs"],
msg_data->msg["wav_format"],
- std::ref(msg_data->tpass_online_handle)));
+ std::ref(msg_data->tpass_online_handle),
+ std::ref(msg_data->decoder_handle)));
msg_data->msg["access_num"]=(int)(msg_data->msg["access_num"])+1;
}
}
--
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