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-rw-r--r--Examples/OldMain/main.cpp684
1 files changed, 684 insertions, 0 deletions
diff --git a/Examples/OldMain/main.cpp b/Examples/OldMain/main.cpp
new file mode 100644
index 0000000..6e991b7
--- /dev/null
+++ b/Examples/OldMain/main.cpp
@@ -0,0 +1,684 @@
+#include "whisper.h"
+
+// third-party utilities
+// use your favorite implementations
+#define DR_WAV_IMPLEMENTATION
+#include "dr_wav.h"
+
+#include <cmath>
+#include <fstream>
+#include <cstdio>
+#include <string>
+#include <thread>
+#include <vector>
+
+// Terminal color map. 10 colors grouped in ranges [0.0, 0.1, ..., 0.9]
+// Lowest is red, middle is yellow, highest is green.
+const std::vector<std::string> k_colors = {
+ "\033[38;5;196m", "\033[38;5;202m", "\033[38;5;208m", "\033[38;5;214m", "\033[38;5;220m",
+ "\033[38;5;226m", "\033[38;5;190m", "\033[38;5;154m", "\033[38;5;118m", "\033[38;5;82m",
+};
+
+// 500 -> 00:05.000
+// 6000 -> 01:00.000
+std::string to_timestamp(int64_t t, bool comma = false) {
+ int64_t msec = t * 10;
+ int64_t hr = msec / (1000 * 60 * 60);
+ msec = msec - hr * (1000 * 60 * 60);
+ int64_t min = msec / (1000 * 60);
+ msec = msec - min * (1000 * 60);
+ int64_t sec = msec / 1000;
+ msec = msec - sec * 1000;
+
+ char buf[32];
+ snprintf(buf, sizeof(buf), "%02d:%02d:%02d%s%03d", (int) hr, (int) min, (int) sec, comma ? "," : ".", (int) msec);
+
+ return std::string(buf);
+}
+
+int timestamp_to_sample(int64_t t, int n_samples) {
+ return std::max(0, std::min((int) n_samples - 1, (int) ((t*WHISPER_SAMPLE_RATE)/100)));
+}
+
+// helper function to replace substrings
+void replace_all(std::string & s, const std::string & search, const std::string & replace) {
+ for (size_t pos = 0; ; pos += replace.length()) {
+ pos = s.find(search, pos);
+ if (pos == std::string::npos) break;
+ s.erase(pos, search.length());
+ s.insert(pos, replace);
+ }
+}
+
+// command-line parameters
+struct whisper_params {
+ int32_t n_threads = std::min(4, (int32_t) std::thread::hardware_concurrency());
+ int32_t n_processors = 1;
+ int32_t offset_t_ms = 0;
+ int32_t offset_n = 0;
+ int32_t duration_ms = 0;
+ int32_t max_context = -1;
+ int32_t max_len = 0;
+
+ float word_thold = 0.01f;
+
+ bool speed_up = false;
+ bool translate = false;
+ bool diarize = false;
+ bool output_txt = false;
+ bool output_vtt = false;
+ bool output_srt = false;
+ bool output_wts = false;
+ bool print_special = false;
+ bool print_colors = false;
+ bool print_progress = false;
+ bool no_timestamps = false;
+
+ std::string language = "en";
+ std::string prompt;
+ std::string model = "models/ggml-base.en.bin";
+
+ std::vector<std::string> fname_inp = {};
+};
+
+void whisper_print_usage(int argc, char ** argv, const whisper_params & params);
+
+bool whisper_params_parse(int argc, char ** argv, whisper_params & params) {
+ for (int i = 1; i < argc; i++) {
+ std::string arg = argv[i];
+
+ if (arg[0] != '-') {
+ params.fname_inp.push_back(arg);
+ continue;
+ }
+
+ if (arg == "-h" || arg == "--help") {
+ whisper_print_usage(argc, argv, params);
+ exit(0);
+ }
+ else if (arg == "-t" || arg == "--threads") { params.n_threads = std::stoi(argv[++i]); }
+ else if (arg == "-p" || arg == "--processors") { params.n_processors = std::stoi(argv[++i]); }
+ else if (arg == "-ot" || arg == "--offset-t") { params.offset_t_ms = std::stoi(argv[++i]); }
+ else if (arg == "-on" || arg == "--offset-n") { params.offset_n = std::stoi(argv[++i]); }
+ else if (arg == "-d" || arg == "--duration") { params.duration_ms = std::stoi(argv[++i]); }
+ else if (arg == "-mc" || arg == "--max-context") { params.max_context = std::stoi(argv[++i]); }
+ else if (arg == "-ml" || arg == "--max-len") { params.max_len = std::stoi(argv[++i]); }
+ else if (arg == "-wt" || arg == "--word-thold") { params.word_thold = std::stof(argv[++i]); }
+ else if (arg == "-su" || arg == "--speed-up") { params.speed_up = true; }
+ else if (arg == "-tr" || arg == "--translate") { params.translate = true; }
+ else if (arg == "-di" || arg == "--diarize") { params.diarize = true; }
+ else if (arg == "-otxt" || arg == "--output-txt") { params.output_txt = true; }
+ else if (arg == "-ovtt" || arg == "--output-vtt") { params.output_vtt = true; }
+ else if (arg == "-osrt" || arg == "--output-srt") { params.output_srt = true; }
+ else if (arg == "-owts" || arg == "--output-words") { params.output_wts = true; }
+ else if (arg == "-ps" || arg == "--print-special") { params.print_special = true; }
+ else if (arg == "-pc" || arg == "--print-colors") { params.print_colors = true; }
+ else if (arg == "-pp" || arg == "--print-progress") { params.print_progress = true; }
+ else if (arg == "-nt" || arg == "--no-timestamps") { params.no_timestamps = true; }
+ else if (arg == "-l" || arg == "--language") { params.language = argv[++i]; }
+ else if ( arg == "--prompt") { params.prompt = argv[++i]; }
+ else if (arg == "-m" || arg == "--model") { params.model = argv[++i]; }
+ else if (arg == "-f" || arg == "--file") { params.fname_inp.emplace_back(argv[++i]); }
+ else {
+ fprintf(stderr, "error: unknown argument: %s\n", arg.c_str());
+ whisper_print_usage(argc, argv, params);
+ exit(0);
+ }
+ }
+
+ return true;
+}
+
+void whisper_print_usage(int /*argc*/, char ** argv, const whisper_params & params) {
+ fprintf(stderr, "\n");
+ fprintf(stderr, "usage: %s [options] file0.wav file1.wav ...\n", argv[0]);
+ fprintf(stderr, "\n");
+ fprintf(stderr, "options:\n");
+ fprintf(stderr, " -h, --help [default] show this help message and exit\n");
+ fprintf(stderr, " -t N, --threads N [%-7d] number of threads to use during computation\n", params.n_threads);
+ fprintf(stderr, " -p N, --processors N [%-7d] number of processors to use during computation\n", params.n_processors);
+ fprintf(stderr, " -ot N, --offset-t N [%-7d] time offset in milliseconds\n", params.offset_t_ms);
+ fprintf(stderr, " -on N, --offset-n N [%-7d] segment index offset\n", params.offset_n);
+ fprintf(stderr, " -d N, --duration N [%-7d] duration of audio to process in milliseconds\n", params.duration_ms);
+ fprintf(stderr, " -mc N, --max-context N [%-7d] maximum number of text context tokens to store\n", params.max_context);
+ fprintf(stderr, " -ml N, --max-len N [%-7d] maximum segment length in characters\n", params.max_len);
+ fprintf(stderr, " -wt N, --word-thold N [%-7.2f] word timestamp probability threshold\n", params.word_thold);
+ fprintf(stderr, " -su, --speed-up [%-7s] speed up audio by x2 (reduced accuracy)\n", params.speed_up ? "true" : "false");
+ fprintf(stderr, " -tr, --translate [%-7s] translate from source language to english\n", params.translate ? "true" : "false");
+ fprintf(stderr, " -di, --diarize [%-7s] stereo audio diarization\n", params.diarize ? "true" : "false");
+ fprintf(stderr, " -otxt, --output-txt [%-7s] output result in a text file\n", params.output_txt ? "true" : "false");
+ fprintf(stderr, " -ovtt, --output-vtt [%-7s] output result in a vtt file\n", params.output_vtt ? "true" : "false");
+ fprintf(stderr, " -osrt, --output-srt [%-7s] output result in a srt file\n", params.output_srt ? "true" : "false");
+ fprintf(stderr, " -owts, --output-words [%-7s] output script for generating karaoke video\n", params.output_wts ? "true" : "false");
+ fprintf(stderr, " -ps, --print-special [%-7s] print special tokens\n", params.print_special ? "true" : "false");
+ fprintf(stderr, " -pc, --print-colors [%-7s] print colors\n", params.print_colors ? "true" : "false");
+ fprintf(stderr, " -pp, --print-progress [%-7s] print progress\n", params.print_progress ? "true" : "false");
+ fprintf(stderr, " -nt, --no-timestamps [%-7s] do not print timestamps\n", params.no_timestamps ? "false" : "true");
+ fprintf(stderr, " -l LANG, --language LANG [%-7s] spoken language ('auto' for auto-detect)\n", params.language.c_str());
+ fprintf(stderr, " --prompt PROMPT [%-7s] initial prompt\n", params.prompt.c_str());
+ fprintf(stderr, " -m FNAME, --model FNAME [%-7s] model path\n", params.model.c_str());
+ fprintf(stderr, " -f FNAME, --file FNAME [%-7s] input WAV file path\n", "");
+ fprintf(stderr, "\n");
+}
+
+struct whisper_print_user_data {
+ const whisper_params * params;
+
+ const std::vector<std::vector<float>> * pcmf32s;
+};
+
+void whisper_print_segment_callback(struct whisper_context * ctx, int n_new, void * user_data) {
+ const auto & params = *((whisper_print_user_data *) user_data)->params;
+ const auto & pcmf32s = *((whisper_print_user_data *) user_data)->pcmf32s;
+
+ const int n_segments = whisper_full_n_segments(ctx);
+
+ // print the last n_new segments
+ const int s0 = n_segments - n_new;
+ if (s0 == 0) {
+ printf("\n");
+ }
+
+ for (int i = s0; i < n_segments; i++) {
+ if (params.no_timestamps) {
+ if (params.print_colors) {
+ for (int j = 0; j < whisper_full_n_tokens(ctx, i); ++j) {
+ if (params.print_special == false) {
+ const whisper_token id = whisper_full_get_token_id(ctx, i, j);
+ if (id >= whisper_token_eot(ctx)) {
+ continue;
+ }
+ }
+
+ const char * text = whisper_full_get_token_text(ctx, i, j);
+ const float p = whisper_full_get_token_p (ctx, i, j);
+
+ const int col = std::max(0, std::min((int) k_colors.size(), (int) (std::pow(p, 3)*float(k_colors.size()))));
+
+ printf("%s%s%s", k_colors[col].c_str(), text, "\033[0m");
+ }
+ } else {
+ const char * text = whisper_full_get_segment_text(ctx, i);
+ printf("%s", text);
+ }
+ fflush(stdout);
+ } else {
+ const int64_t t0 = whisper_full_get_segment_t0(ctx, i);
+ const int64_t t1 = whisper_full_get_segment_t1(ctx, i);
+
+ std::string speaker;
+
+ if (params.diarize && pcmf32s.size() == 2) {
+ const int64_t n_samples = pcmf32s[0].size();
+
+ const int64_t is0 = timestamp_to_sample(t0, n_samples);
+ const int64_t is1 = timestamp_to_sample(t1, n_samples);
+
+ double energy0 = 0.0f;
+ double energy1 = 0.0f;
+
+ for (int64_t j = is0; j < is1; j++) {
+ energy0 += fabs(pcmf32s[0][j]);
+ energy1 += fabs(pcmf32s[1][j]);
+ }
+
+ if (energy0 > 1.1*energy1) {
+ speaker = "(speaker 0)";
+ } else if (energy1 > 1.1*energy0) {
+ speaker = "(speaker 1)";
+ } else {
+ speaker = "(speaker ?)";
+ }
+
+ //printf("is0 = %lld, is1 = %lld, energy0 = %f, energy1 = %f, %s\n", is0, is1, energy0, energy1, speaker.c_str());
+ }
+
+ if (params.print_colors) {
+ printf("[%s --> %s] ", to_timestamp(t0).c_str(), to_timestamp(t1).c_str());
+ for (int j = 0; j < whisper_full_n_tokens(ctx, i); ++j) {
+ if (params.print_special == false) {
+ const whisper_token id = whisper_full_get_token_id(ctx, i, j);
+ if (id >= whisper_token_eot(ctx)) {
+ continue;
+ }
+ }
+
+ const char * text = whisper_full_get_token_text(ctx, i, j);
+ const float p = whisper_full_get_token_p (ctx, i, j);
+
+ const int col = std::max(0, std::min((int) k_colors.size(), (int) (std::pow(p, 3)*float(k_colors.size()))));
+
+ printf("%s%s%s%s", speaker.c_str(), k_colors[col].c_str(), text, "\033[0m");
+ }
+ printf("\n");
+ } else {
+ const char * text = whisper_full_get_segment_text(ctx, i);
+
+ printf("[%s --> %s] %s%s\n", to_timestamp(t0).c_str(), to_timestamp(t1).c_str(), speaker.c_str(), text);
+ }
+ }
+ }
+}
+
+bool output_txt(struct whisper_context * ctx, const char * fname) {
+ std::ofstream fout(fname);
+ if (!fout.is_open()) {
+ fprintf(stderr, "%s: failed to open '%s' for writing\n", __func__, fname);
+ return false;
+ }
+
+ fprintf(stderr, "%s: saving output to '%s'\n", __func__, fname);
+
+ const int n_segments = whisper_full_n_segments(ctx);
+ for (int i = 0; i < n_segments; ++i) {
+ const char * text = whisper_full_get_segment_text(ctx, i);
+ fout << text << "\n";
+ }
+
+ return true;
+}
+
+bool output_vtt(struct whisper_context * ctx, const char * fname) {
+ std::ofstream fout(fname);
+ if (!fout.is_open()) {
+ fprintf(stderr, "%s: failed to open '%s' for writing\n", __func__, fname);
+ return false;
+ }
+
+ fprintf(stderr, "%s: saving output to '%s'\n", __func__, fname);
+
+ fout << "WEBVTT\n\n";
+
+ const int n_segments = whisper_full_n_segments(ctx);
+ for (int i = 0; i < n_segments; ++i) {
+ const char * text = whisper_full_get_segment_text(ctx, i);
+ const int64_t t0 = whisper_full_get_segment_t0(ctx, i);
+ const int64_t t1 = whisper_full_get_segment_t1(ctx, i);
+
+ fout << to_timestamp(t0) << " --> " << to_timestamp(t1) << "\n";
+ fout << text << "\n\n";
+ }
+
+ return true;
+}
+
+bool output_srt(struct whisper_context * ctx, const char * fname, const whisper_params & params) {
+ std::ofstream fout(fname);
+ if (!fout.is_open()) {
+ fprintf(stderr, "%s: failed to open '%s' for writing\n", __func__, fname);
+ return false;
+ }
+
+ fprintf(stderr, "%s: saving output to '%s'\n", __func__, fname);
+
+ const int n_segments = whisper_full_n_segments(ctx);
+ for (int i = 0; i < n_segments; ++i) {
+ const char * text = whisper_full_get_segment_text(ctx, i);
+ const int64_t t0 = whisper_full_get_segment_t0(ctx, i);
+ const int64_t t1 = whisper_full_get_segment_t1(ctx, i);
+
+ fout << i + 1 + params.offset_n << "\n";
+ fout << to_timestamp(t0, true) << " --> " << to_timestamp(t1, true) << "\n";
+ fout << text << "\n\n";
+ }
+
+ return true;
+}
+
+// karaoke video generation
+// outputs a bash script that uses ffmpeg to generate a video with the subtitles
+// TODO: font parameter adjustments
+bool output_wts(struct whisper_context * ctx, const char * fname, const char * fname_inp, const whisper_params & /*params*/, float t_sec) {
+ std::ofstream fout(fname);
+
+ fprintf(stderr, "%s: saving output to '%s'\n", __func__, fname);
+
+ // TODO: become parameter
+ static const char * font = "/System/Library/Fonts/Supplemental/Courier New Bold.ttf";
+
+ fout << "#!/bin/bash" << "\n";
+ fout << "\n";
+
+ fout << "ffmpeg -i " << fname_inp << " -f lavfi -i color=size=1200x120:duration=" << t_sec << ":rate=25:color=black -vf \"";
+
+ for (int i = 0; i < whisper_full_n_segments(ctx); i++) {
+ const int64_t t0 = whisper_full_get_segment_t0(ctx, i);
+ const int64_t t1 = whisper_full_get_segment_t1(ctx, i);
+
+ const int n = whisper_full_n_tokens(ctx, i);
+
+ std::vector<whisper_token_data> tokens(n);
+ for (int j = 0; j < n; ++j) {
+ tokens[j] = whisper_full_get_token_data(ctx, i, j);
+ }
+
+ if (i > 0) {
+ fout << ",";
+ }
+
+ // background text
+ fout << "drawtext=fontfile='" << font << "':fontsize=24:fontcolor=gray:x=(w-text_w)/2:y=h/2:text='':enable='between(t," << t0/100.0 << "," << t0/100.0 << ")'";
+
+ bool is_first = true;
+
+ for (int j = 0; j < n; ++j) {
+ const auto & token = tokens[j];
+
+ if (tokens[j].id >= whisper_token_eot(ctx)) {
+ continue;
+ }
+
+ std::string txt_bg;
+ std::string txt_fg; // highlight token
+ std::string txt_ul; // underline
+
+ txt_bg = "> ";
+ txt_fg = "> ";
+ txt_ul = "\\ \\ ";
+
+ {
+ for (int k = 0; k < n; ++k) {
+ const auto & token2 = tokens[k];
+
+ if (tokens[k].id >= whisper_token_eot(ctx)) {
+ continue;
+ }
+
+ const std::string txt = whisper_token_to_str(ctx, token2.id);
+
+ txt_bg += txt;
+
+ if (k == j) {
+ for (int l = 0; l < (int) txt.size(); ++l) {
+ txt_fg += txt[l];
+ txt_ul += "_";
+ }
+ txt_fg += "|";
+ } else {
+ for (int l = 0; l < (int) txt.size(); ++l) {
+ txt_fg += "\\ ";
+ txt_ul += "\\ ";
+ }
+ }
+ }
+
+ ::replace_all(txt_bg, "'", "\u2019");
+ ::replace_all(txt_bg, "\"", "\\\"");
+ ::replace_all(txt_fg, "'", "\u2019");
+ ::replace_all(txt_fg, "\"", "\\\"");
+ }
+
+ if (is_first) {
+ // background text
+ fout << ",drawtext=fontfile='" << font << "':fontsize=24:fontcolor=gray:x=(w-text_w)/2:y=h/2:text='" << txt_bg << "':enable='between(t," << t0/100.0 << "," << t1/100.0 << ")'";
+ is_first = false;
+ }
+
+ // foreground text
+ fout << ",drawtext=fontfile='" << font << "':fontsize=24:fontcolor=lightgreen:x=(w-text_w)/2+8:y=h/2:text='" << txt_fg << "':enable='between(t," << token.t0/100.0 << "," << token.t1/100.0 << ")'";
+
+ // underline
+ fout << ",drawtext=fontfile='" << font << "':fontsize=24:fontcolor=lightgreen:x=(w-text_w)/2+8:y=h/2+16:text='" << txt_ul << "':enable='between(t," << token.t0/100.0 << "," << token.t1/100.0 << ")'";
+ }
+ }
+
+ fout << "\" -c:v libx264 -pix_fmt yuv420p -y " << fname_inp << ".mp4" << "\n";
+
+ fout << "\n\n";
+ fout << "echo \"Your video has been saved to " << fname_inp << ".mp4\"" << "\n";
+ fout << "\n";
+ fout << "echo \" ffplay " << fname_inp << ".mp4\"\n";
+ fout << "\n";
+
+ fout.close();
+
+ fprintf(stderr, "%s: run 'source %s' to generate karaoke video\n", __func__, fname);
+
+ return true;
+}
+
+int main(int argc, char ** argv) {
+ whisper_params params;
+
+ if (whisper_params_parse(argc, argv, params) == false) {
+ return 1;
+ }
+
+ if (params.fname_inp.empty()) {
+ fprintf(stderr, "error: no input files specified\n");
+ whisper_print_usage(argc, argv, params);
+ return 2;
+ }
+
+ if (params.language != "auto" && whisper_lang_id(params.language.c_str()) == -1) {
+ fprintf(stderr, "error: unknown language '%s'\n", params.language.c_str());
+ whisper_print_usage(argc, argv, params);
+ exit(0);
+ }
+
+ // whisper init
+
+ struct whisper_context * ctx = whisper_init(params.model.c_str());
+
+ if (ctx == nullptr) {
+ fprintf(stderr, "error: failed to initialize whisper context\n");
+ return 3;
+ }
+
+ // initial prompt
+ std::vector<whisper_token> prompt_tokens;
+
+ if (!params.prompt.empty()) {
+ prompt_tokens.resize(1024);
+ prompt_tokens.resize(whisper_tokenize(ctx, params.prompt.c_str(), prompt_tokens.data(), prompt_tokens.size()));
+
+ fprintf(stderr, "\n");
+ fprintf(stderr, "initial prompt: '%s'\n", params.prompt.c_str());
+ fprintf(stderr, "initial tokens: [ ");
+ for (int i = 0; i < (int) prompt_tokens.size(); ++i) {
+ fprintf(stderr, "%d ", prompt_tokens[i]);
+ }
+ fprintf(stderr, "]\n");
+ }
+
+ for (int f = 0; f < (int) params.fname_inp.size(); ++f) {
+ const auto fname_inp = params.fname_inp[f];
+
+ std::vector<float> pcmf32; // mono-channel F32 PCM
+ std::vector<std::vector<float>> pcmf32s; // stereo-channel F32 PCM
+
+ // WAV input
+ {
+ drwav wav;
+ std::vector<uint8_t> wav_data; // used for pipe input from stdin
+
+ if (fname_inp == "-") {
+ {
+ uint8_t buf[1024];
+ while (true)
+ {
+ const size_t n = fread(buf, 1, sizeof(buf), stdin);
+ if (n == 0) {
+ break;
+ }
+ wav_data.insert(wav_data.end(), buf, buf + n);
+ }
+ }
+
+ if (drwav_init_memory(&wav, wav_data.data(), wav_data.size(), nullptr) == false) {
+ fprintf(stderr, "error: failed to open WAV file from stdin\n");
+ return 4;
+ }
+
+ fprintf(stderr, "%s: read %zu bytes from stdin\n", __func__, wav_data.size());
+ }
+ else if (drwav_init_file(&wav, fname_inp.c_str(), nullptr) == false) {
+ fprintf(stderr, "error: failed to open '%s' as WAV file\n", fname_inp.c_str());
+ return 5;
+ }
+
+ if (wav.channels != 1 && wav.channels != 2) {
+ fprintf(stderr, "%s: WAV file '%s' must be mono or stereo\n", argv[0], fname_inp.c_str());
+ return 6;
+ }
+
+ if (params.diarize && wav.channels != 2 && params.no_timestamps == false) {
+ fprintf(stderr, "%s: WAV file '%s' must be stereo for diarization and timestamps have to be enabled\n", argv[0], fname_inp.c_str());
+ return 6;
+ }
+
+ if (wav.sampleRate != WHISPER_SAMPLE_RATE) {
+ fprintf(stderr, "%s: WAV file '%s' must be 16 kHz\n", argv[0], fname_inp.c_str());
+ return 8;
+ }
+
+ if (wav.bitsPerSample != 16) {
+ fprintf(stderr, "%s: WAV file '%s' must be 16-bit\n", argv[0], fname_inp.c_str());
+ return 9;
+ }
+
+ const uint64_t n = wav_data.empty() ? wav.totalPCMFrameCount : wav_data.size()/(wav.channels*wav.bitsPerSample/8);
+
+ std::vector<int16_t> pcm16;
+ pcm16.resize(n*wav.channels);
+ drwav_read_pcm_frames_s16(&wav, n, pcm16.data());
+ drwav_uninit(&wav);
+
+ // convert to mono, float
+ pcmf32.resize(n);
+ if (wav.channels == 1) {
+ for (uint64_t i = 0; i < n; i++) {
+ pcmf32[i] = float(pcm16[i])/32768.0f;
+ }
+ } else {
+ for (uint64_t i = 0; i < n; i++) {
+ pcmf32[i] = float(pcm16[2*i] + pcm16[2*i + 1])/65536.0f;
+ }
+ }
+
+ if (params.diarize) {
+ // convert to stereo, float
+ pcmf32s.resize(2);
+
+ pcmf32s[0].resize(n);
+ pcmf32s[1].resize(n);
+ for (uint64_t i = 0; i < n; i++) {
+ pcmf32s[0][i] = float(pcm16[2*i])/32768.0f;
+ pcmf32s[1][i] = float(pcm16[2*i + 1])/32768.0f;
+ }
+ }
+ }
+
+ // print system information
+ {
+ fprintf(stderr, "\n");
+ fprintf(stderr, "system_info: n_threads = %d / %d | %s\n",
+ params.n_threads*params.n_processors, std::thread::hardware_concurrency(), whisper_print_system_info());
+ }
+
+ // print some info about the processing
+ {
+ fprintf(stderr, "\n");
+ if (!whisper_is_multilingual(ctx)) {
+ if (params.language != "en" || params.translate) {
+ params.language = "en";
+ params.translate = false;
+ fprintf(stderr, "%s: WARNING: model is not multilingual, ignoring language and translation options\n", __func__);
+ }
+ }
+ fprintf(stderr, "%s: processing '%s' (%d samples, %.1f sec), %d threads, %d processors, lang = %s, task = %s, timestamps = %d ...\n",
+ __func__, fname_inp.c_str(), int(pcmf32.size()), float(pcmf32.size())/WHISPER_SAMPLE_RATE,
+ params.n_threads, params.n_processors,
+ params.language.c_str(),
+ params.translate ? "translate" : "transcribe",
+ params.no_timestamps ? 0 : 1);
+
+ fprintf(stderr, "\n");
+ }
+
+ // run the inference
+ {
+ whisper_full_params wparams = whisper_full_default_params(WHISPER_SAMPLING_GREEDY);
+
+ wparams.print_realtime = false;
+ wparams.print_progress = params.print_progress;
+ wparams.print_timestamps = !params.no_timestamps;
+ wparams.print_special = params.print_special;
+ wparams.translate = params.translate;
+ wparams.language = params.language.c_str();
+ wparams.n_threads = params.n_threads;
+ wparams.n_max_text_ctx = params.max_context >= 0 ? params.max_context : wparams.n_max_text_ctx;
+ wparams.offset_ms = params.offset_t_ms;
+ wparams.duration_ms = params.duration_ms;
+
+ wparams.token_timestamps = params.output_wts || params.max_len > 0;
+ wparams.thold_pt = params.word_thold;
+ wparams.max_len = params.output_wts && params.max_len == 0 ? 60 : params.max_len;
+
+ wparams.speed_up = params.speed_up;
+
+ wparams.prompt_tokens = prompt_tokens.empty() ? nullptr : prompt_tokens.data();
+ wparams.prompt_n_tokens = prompt_tokens.empty() ? 0 : prompt_tokens.size();
+
+ whisper_print_user_data user_data = { &params, &pcmf32s };
+
+ // this callback is called on each new segment
+ if (!wparams.print_realtime) {
+ wparams.new_segment_callback = whisper_print_segment_callback;
+ wparams.new_segment_callback_user_data = &user_data;
+ }
+
+ // example for abort mechanism
+ // in this example, we do not abort the processing, but we could if the flag is set to true
+ // the callback is called before every encoder run - if it returns false, the processing is aborted
+ {
+ static bool is_aborted = false; // NOTE: this should be atomic to avoid data race
+
+ wparams.encoder_begin_callback = [](struct whisper_context * /*ctx*/, void * user_data) {
+ bool is_aborted = *(bool*)user_data;
+ return !is_aborted;
+ };
+ wparams.encoder_begin_callback_user_data = &is_aborted;
+ }
+
+ if (whisper_full_parallel(ctx, wparams, pcmf32.data(), pcmf32.size(), params.n_processors) != 0) {
+ fprintf(stderr, "%s: failed to process audio\n", argv[0]);
+ return 10;
+ }
+ }
+
+ // output stuff
+ {
+ printf("\n");
+
+ // output to text file
+ if (params.output_txt) {
+ const auto fname_txt = fname_inp + ".txt";
+ output_txt(ctx, fname_txt.c_str());
+ }
+
+ // output to VTT file
+ if (params.output_vtt) {
+ const auto fname_vtt = fname_inp + ".vtt";
+ output_vtt(ctx, fname_vtt.c_str());
+ }
+
+ // output to SRT file
+ if (params.output_srt) {
+ const auto fname_srt = fname_inp + ".srt";
+ output_srt(ctx, fname_srt.c_str(), params);
+ }
+
+ // output to WTS file
+ if (params.output_wts) {
+ const auto fname_wts = fname_inp + ".wts";
+ output_wts(ctx, fname_wts.c_str(), fname_inp.c_str(), params, float(pcmf32.size() + 1000)/WHISPER_SAMPLE_RATE);
+ }
+ }
+ }
+
+ whisper_print_timings(ctx);
+ whisper_free(ctx);
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2026-06-01 23:59:31 +0000