7f72c13d9a
* Don't reset model state and feature extractor on endpointing * support passing decoding_method from commandline * Add modified_beam_search to Python API * fix C API example * Fix style issues
89 lines
2.0 KiB
C++
89 lines
2.0 KiB
C++
// sherpa-onnx/csrc/display.h
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//
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// Copyright (c) 2022-2023 Xiaomi Corporation
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#ifndef SHERPA_ONNX_CSRC_DISPLAY_H_
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#define SHERPA_ONNX_CSRC_DISPLAY_H_
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#include <stdio.h>
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#include <string>
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namespace sherpa_onnx {
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class Display {
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public:
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explicit Display(int32_t max_word_per_line = 60)
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: max_word_per_line_(max_word_per_line) {}
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void Print(int32_t segment_id, const std::string &s) {
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#ifdef _MSC_VER
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if (segment_id != -1) {
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fprintf(stderr, "%d:%s\n", segment_id, s.c_str());
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} else {
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fprintf(stderr, "%s\n", s.c_str());
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}
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return;
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#endif
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if (last_segment_ == segment_id) {
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Clear();
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} else {
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if (last_segment_ != -1) {
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fprintf(stderr, "\n\r");
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}
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last_segment_ = segment_id;
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num_previous_lines_ = 0;
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}
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if (segment_id != -1) {
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fprintf(stderr, "\r%d:", segment_id);
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}
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int32_t i = 0;
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for (size_t n = 0; n < s.size();) {
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if (s[n] > 0 && s[n] < 0x7f) {
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fprintf(stderr, "%c", s[n]);
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++n;
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} else {
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// Each Chinese character occupies 3 bytes for UTF-8 encoding.
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std::string tmp(s.begin() + n, s.begin() + n + 3);
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fprintf(stderr, "%s", tmp.data());
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n += 3;
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}
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++i;
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if (i >= max_word_per_line_ && n + 1 < s.size() &&
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(s[n] == ' ' || s[n] < 0)) {
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fprintf(stderr, "\n\r ");
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++num_previous_lines_;
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i = 0;
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}
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}
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}
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private:
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// Clear the output for the current segment
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void Clear() {
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ClearCurrentLine();
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while (num_previous_lines_ > 0) {
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GoUpOneLine();
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ClearCurrentLine();
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--num_previous_lines_;
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}
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}
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// Clear the current line
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void ClearCurrentLine() const { fprintf(stderr, "\33[2K\r"); }
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// Move the cursor to the previous line
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void GoUpOneLine() const { fprintf(stderr, "\033[1A\r"); }
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private:
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int32_t max_word_per_line_;
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int32_t num_previous_lines_ = 0;
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int32_t last_segment_ = -1;
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};
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} // namespace sherpa_onnx
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#endif // SHERPA_ONNX_CSRC_DISPLAY_H_
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