From 3372b13d24aceef7002cfa0fc8222b3085c15110 Mon Sep 17 00:00:00 2001
From: 雾聪 <wucong.lyb@alibaba-inc.com>
Date: 星期五, 02 六月 2023 22:02:31 +0800
Subject: [PATCH] add fsmn-vad-online
---
funasr/runtime/onnxruntime/src/audio.cpp | 78 ++++++++++++++++++++++++++++++++++++---
1 files changed, 72 insertions(+), 6 deletions(-)
diff --git a/funasr/runtime/onnxruntime/src/audio.cpp b/funasr/runtime/onnxruntime/src/audio.cpp
index 6d63d67..23d0010 100644
--- a/funasr/runtime/onnxruntime/src/audio.cpp
+++ b/funasr/runtime/onnxruntime/src/audio.cpp
@@ -176,12 +176,12 @@
{
if (speech_buff != NULL) {
free(speech_buff);
-
}
-
if (speech_data != NULL) {
-
free(speech_data);
+ }
+ if (speech_char != NULL) {
+ free(speech_char);
}
}
@@ -296,8 +296,47 @@
return false;
}
-bool Audio::LoadWav(const char* buf, int n_file_len, int32_t* sampling_rate)
+bool Audio::LoadWav2Char(const char *filename, int32_t* sampling_rate)
{
+ WaveHeader header;
+ if (speech_char != NULL) {
+ free(speech_char);
+ }
+ offset = 0;
+ std::ifstream is(filename, std::ifstream::binary);
+ is.read(reinterpret_cast<char *>(&header), sizeof(header));
+ if(!is){
+ LOG(ERROR) << "Failed to read " << filename;
+ return false;
+ }
+ if (!header.Validate()) {
+ return false;
+ }
+ header.SeekToDataChunk(is);
+ if (!is) {
+ return false;
+ }
+ if (!header.Validate()) {
+ return false;
+ }
+ header.SeekToDataChunk(is);
+ if (!is) {
+ return false;
+ }
+
+ *sampling_rate = header.sample_rate;
+ // header.subchunk2_size contains the number of bytes in the data.
+ // As we assume each sample contains two bytes, so it is divided by 2 here
+ speech_len = header.subchunk2_size / 2;
+ speech_char = (char *)malloc(header.subchunk2_size);
+ memset(speech_char, 0, header.subchunk2_size);
+ is.read(speech_char, header.subchunk2_size);
+
+ return true;
+}
+
+bool Audio::LoadWav(const char* buf, int n_file_len, int32_t* sampling_rate)
+{
WaveHeader header;
if (speech_data != NULL) {
free(speech_data);
@@ -441,6 +480,33 @@
}
+bool Audio::LoadPcmwav2Char(const char* filename, int32_t* sampling_rate)
+{
+ if (speech_char != NULL) {
+ free(speech_char);
+ }
+ offset = 0;
+
+ FILE* fp;
+ fp = fopen(filename, "rb");
+ if (fp == nullptr)
+ {
+ LOG(ERROR) << "Failed to read " << filename;
+ return false;
+ }
+ fseek(fp, 0, SEEK_END);
+ uint32_t n_file_len = ftell(fp);
+ fseek(fp, 0, SEEK_SET);
+
+ speech_len = (n_file_len) / 2;
+ speech_char = (char *)malloc(n_file_len);
+ memset(speech_char, 0, n_file_len);
+ fread(speech_char, sizeof(int16_t), n_file_len/2, fp);
+ fclose(fp);
+
+ return true;
+}
+
int Audio::FetchChunck(float *&dout, int len)
{
if (offset >= speech_align_len) {
@@ -541,7 +607,7 @@
}
-void Audio::Split(VadModel* vad_obj, vector<std::vector<int>>& vad_segments)
+void Audio::Split(VadModel* vad_obj, vector<std::vector<int>>& vad_segments, bool input_finished)
{
AudioFrame *frame;
@@ -552,7 +618,7 @@
frame = NULL;
std::vector<float> pcm_data(speech_data, speech_data+sp_len);
- vad_segments = vad_obj->Infer(pcm_data);
+ vad_segments = vad_obj->Infer(pcm_data, input_finished);
}
} // namespace funasr
\ No newline at end of file
--
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