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Merge pull request #447 from zhuzizyf/main

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Update e2e-vad.h
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zhifu gao 2023-05-04 10:46:40 +08:00 committed by GitHub
commit 5d38777dc8
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1 changed files with 21 additions and 31 deletions
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52
funasr/runtime/onnxruntime/src/e2e-vad.h
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@ -1,6 +1,7 @@
/**
* Copyright FunASR (https://github.com/alibaba-damo-academy/FunASR). All Rights Reserved.
* MIT License (https://opensource.org/licenses/MIT)
* Collaborators: zhuzizyf(China Telecom Shanghai)
*/
#include <utility>
@ -381,10 +382,11 @@ private:
int max_end_sil_frame_cnt_thresh;
float speech_noise_thres;
std::vector<std::vector<float>> scores;
int idx_pre_chunk = 0;
bool max_time_out;
std::vector<float> decibel;
std::vector<float> data_buf;
std::vector<float> data_buf_all;
int data_buf_size = 0;
int data_buf_all_size = 0;
std::vector<float> waveform;
void AllResetDetection() {
@ -409,10 +411,11 @@ private:
max_end_sil_frame_cnt_thresh = vad_opts.max_end_silence_time - vad_opts.speech_to_sil_time_thres;
speech_noise_thres = vad_opts.speech_noise_thres;
scores.clear();
idx_pre_chunk = 0;
max_time_out = false;
decibel.clear();
data_buf.clear();
data_buf_all.clear();
int data_buf_size = 0;
int data_buf_all_size = 0;
waveform.clear();
ResetDetection();
}
@ -432,18 +435,17 @@ private:
void ComputeDecibel() {
int frame_sample_length = int(vad_opts.frame_length_ms * vad_opts.sample_rate / 1000);
int frame_shift_length = int(vad_opts.frame_in_ms * vad_opts.sample_rate / 1000);
if (data_buf_all.empty()) {
data_buf_all = waveform;
data_buf = data_buf_all;
if (data_buf_all_size == 0) {
data_buf_all_size = waveform.size();
data_buf_size = data_buf_all_size;
} else {
data_buf_all.insert(data_buf_all.end(), waveform.begin(), waveform.end());
data_buf_all_size += waveform.size();
}
for (int offset = 0; offset < waveform.size() - frame_sample_length + 1; offset += frame_shift_length) {
float sum = 0.0;
for (int i = 0; i < frame_sample_length; i++) {
sum += waveform[offset + i] * waveform[offset + i];
}
// float decibel = 10 * log10(sum + 0.000001);
this->decibel.push_back(10 * log10(sum + 0.000001));
}
}
@ -451,30 +453,17 @@ private:
void ComputeScores(const std::vector<std::vector<float>> &scores) {
vad_opts.nn_eval_block_size = scores.size();
frm_cnt += scores.size();
if (this->scores.empty()) {
this->scores = scores; // the first calculation
} else {
this->scores.insert(this->scores.end(), scores.begin(), scores.end());
}
this->scores = scores;
}
void PopDataBufTillFrame(int frame_idx) {
int frame_sample_length = int(vad_opts.frame_in_ms * vad_opts.sample_rate / 1000);
int start_pos=-1;
int data_length= data_buf.size();
while (data_buf_start_frame < frame_idx) {
if (data_length >= frame_sample_length) {
if (data_buf_size >= frame_sample_length) {
data_buf_start_frame += 1;
start_pos= data_buf_start_frame* frame_sample_length;
data_length=data_buf_all.size()-start_pos;
} else {
break;
data_buf_size = data_buf_all_size - data_buf_start_frame * frame_sample_length;
}
}
if (start_pos!=-1){
data_buf.resize(data_length);
std::copy(data_buf_all.begin() + start_pos, data_buf_all.end(), data_buf.begin());
}
}
void PopDataToOutputBuf(int start_frm, int frm_cnt, bool first_frm_is_start_point, bool last_frm_is_end_point,
@ -487,9 +476,9 @@ private:
expected_sample_number += int(extra_sample);
}
if (end_point_is_sent_end) {
expected_sample_number = std::max(expected_sample_number, int(data_buf.size()));
expected_sample_number = std::max(expected_sample_number, data_buf_size);
}
if (data_buf.size() < expected_sample_number) {
if (data_buf_size < expected_sample_number) {
std::cout << "error in calling pop data_buf\n";
}
if (output_data_buf.size() == 0 || first_frm_is_start_point) {
@ -510,10 +499,10 @@ private:
} else {
data_to_pop = int(frm_cnt * vad_opts.frame_in_ms * vad_opts.sample_rate / 1000);
}
if (data_to_pop > int(data_buf.size())) {
if (data_to_pop > data_buf_size) {
std::cout << "VAD data_to_pop is bigger than data_buf.size()!!!\n";
data_to_pop = (int) data_buf.size();
expected_sample_number = (int) data_buf.size();
data_to_pop = data_buf_size;
expected_sample_number = data_buf_size;
}
cur_seg.doa = 0;
for (int sample_cpy_out = 0; sample_cpy_out < data_to_pop; sample_cpy_out++) {
@ -619,7 +608,7 @@ private:
if (sil_pdf_ids.size() > 0) {
std::vector<float> sil_pdf_scores;
for (auto sil_pdf_id: sil_pdf_ids) {
sil_pdf_scores.push_back(scores[t][sil_pdf_id]);
sil_pdf_scores.push_back(scores[t - idx_pre_chunk][sil_pdf_id]);
}
sum_score = accumulate(sil_pdf_scores.begin(), sil_pdf_scores.end(), 0.0);
noise_prob = log(sum_score) * vad_opts.speech_2_noise_ratio;
@ -663,6 +652,7 @@ private:
frame_state = GetFrameState(frm_cnt - 1 - i);
DetectOneFrame(frame_state, frm_cnt - 1 - i, false);
}
idx_pre_chunk += scores.size();
return 0;
}