doubao still not fix timeout remaining voice and also introduce new issue recording without enter key pressed
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b6cd38c17b
commit
8b98941d75
189
doubao_mic.cpp
189
doubao_mic.cpp
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@ -15,6 +15,7 @@
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#include <algorithm>
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#include <cstring>
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#include <mutex>
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#include <unistd.h> // 用于STDIN_FILENO和read
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// 全局原子变量(线程安全)
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std::atomic<bool> is_recording(false);
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@ -23,9 +24,10 @@ std::atomic<int> recorded_seconds(0); // 实时录制时长
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// 音频缓冲区(加锁保护)
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std::vector<float> audio_buffer;
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std::mutex buffer_mutex;
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// 可选超时(默认60秒,可自定义)
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const int RECORD_TIMEOUT = 30; // 延长到60秒,也可设为0取消超时
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const int RECORD_FINISH_WAIT_MS = 5000; // 停止后等待1秒收尾
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// 配置常量(可自定义)
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const int RECORD_TIMEOUT = 30; // 超时时间(秒)
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const int RECORD_FINISH_WAIT_MS = 5000; // 停止后收尾等待时间
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const bool AUTO_RECOGNIZE_ON_TIMEOUT = true; // 超时自动识别
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// 信号处理:Ctrl+C 优雅退出
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void signal_handler(int sig) {
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@ -39,6 +41,27 @@ void signal_handler(int sig) {
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}
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}
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// 非阻塞检查输入(解决超时后需按回车问题)
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bool check_input_non_blocking() {
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fd_set fds;
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FD_ZERO(&fds);
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FD_SET(STDIN_FILENO, &fds);
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struct timeval tv;
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tv.tv_sec = 0;
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tv.tv_usec = 100000; // 100ms超时
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return select(STDIN_FILENO + 1, &fds, NULL, NULL, &tv) > 0;
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}
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// 清空输入缓冲区(避免残留回车)
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void clear_input_buffer() {
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while (check_input_non_blocking()) {
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char c;
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read(STDIN_FILENO, &c, 1);
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}
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}
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// 音频回调(取消30秒帧上限)
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void data_callback(ma_device* pDevice, void* pOutput, const void* pInput, ma_uint32 frameCount) {
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if (!is_recording.load() || pInput == NULL) return;
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@ -93,14 +116,14 @@ void list_audio_devices(ma_context& context, ma_device_info** pCaptureInfos, ma_
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printf("=============================================\n");
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}
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// 提示信息(修复printf多参数问题)
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// 提示信息
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void print_usage() {
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printf("=============================================\n");
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printf("🎤 语音识别程序(CPU优化版)\n");
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printf("操作说明:\n");
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printf(" 1. 按下【回车键】开始录制\n");
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printf(" 2. 说话完成后按回车停止录制并识别\n");
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printf(" 3. 录制超过%d秒自动停止(可自定义)\n", RECORD_TIMEOUT);
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printf(" 3. 录制超过%d秒自动停止并识别\n", RECORD_TIMEOUT);
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printf(" 4. 录制中实时显示时长:【录制中... X秒】\n");
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printf(" 5. Ctrl+C 退出程序\n");
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printf("=============================================\n");
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@ -117,6 +140,60 @@ void print_cpu_optimize_tips() {
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printf("=============================================\n");
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}
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// 核心识别函数(抽离复用)
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void recognize_audio(struct whisper_context* ctx, const std::vector<float>& audio_data) {
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if (audio_data.empty()) {
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printf("⚠️ 未采集到音频数据,跳过识别\n");
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return;
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}
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// 静音裁剪
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int valid_len = trim_silence(audio_data.data(), audio_data.size());
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float valid_seconds = (float)valid_len / 16000;
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printf("🔍 正在识别(有效音频长度:%.2f秒,原始:%.2f秒)...\n",
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valid_seconds, (float)audio_data.size() / 16000);
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auto recognize_start = std::chrono::steady_clock::now();
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// CPU最优识别参数
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whisper_full_params wparams = whisper_full_default_params(WHISPER_SAMPLING_GREEDY);
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wparams.language = "zh";
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wparams.n_threads = std::max(2, (int)std::thread::hardware_concurrency());
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wparams.print_progress = false;
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wparams.print_realtime = false;
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wparams.temperature = 0.0;
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wparams.max_len = 0;
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wparams.translate = false;
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wparams.no_context = true;
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wparams.single_segment = true;
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wparams.print_special = false;
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wparams.token_timestamps = false;
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// 执行识别
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if (whisper_full(ctx, wparams, audio_data.data(), valid_len) != 0) {
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fprintf(stderr, "❌ 识别失败\n");
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return;
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}
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// 输出结果
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auto recognize_duration = std::chrono::duration_cast<std::chrono::milliseconds>(
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std::chrono::steady_clock::now() - recognize_start).count();
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float speed = valid_seconds / (recognize_duration / 1000.0);
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printf("⏱️ 识别耗时:%.2f 秒 | 识别速度:%.2fx实时速度\n",
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recognize_duration / 1000.0, speed);
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const int n_segments = whisper_full_n_segments(ctx);
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if (n_segments == 0) {
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printf("📝 未识别到有效内容\n");
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} else {
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printf("📝 识别结果:\n");
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for (int i = 0; i < n_segments; ++i) {
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const char* text = whisper_full_get_segment_text(ctx, i);
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printf(" %s\n", text);
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}
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}
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}
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int main(int argc, char** argv) {
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signal(SIGINT, signal_handler);
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@ -146,12 +223,12 @@ int main(int argc, char** argv) {
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fprintf(stderr, "❌ 输入无效,使用默认设备ID 0\n");
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device_id = 0;
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}
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while (getchar() != '\n'); // 清空输入缓冲区
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clear_input_buffer(); // 清空输入缓冲区
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}
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// 4. 初始化 Whisper 模型(CPU优化,移除不存在的use_flash_attention)
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// 4. 初始化 Whisper 模型
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struct whisper_context_params cparams = whisper_context_default_params();
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cparams.use_gpu = false; // 强制CPU(避免GPU检测开销)
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cparams.use_gpu = false; // 强制CPU
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printf("\n🚀 正在加载模型:%s\n", model_path);
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struct whisper_context* ctx = whisper_init_from_file_with_params(model_path, cparams);
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@ -202,6 +279,7 @@ int main(int argc, char** argv) {
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while (!exit_program.load()) {
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printf("\n👉 按下回车键开始录制...\n");
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getchar();
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clear_input_buffer(); // 清空残留输入
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if (exit_program.load()) break;
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@ -218,101 +296,58 @@ int main(int argc, char** argv) {
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std::thread progress_thread([&]() {
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while (is_recording.load() && !exit_program.load()) {
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printf("\r📊 录制中... %d秒", recorded_seconds.load());
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fflush(stdout); // 强制刷新输出
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fflush(stdout);
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std::this_thread::sleep_for(std::chrono::seconds(1));
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}
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});
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// 等待用户停止录制(主线程监听,避免子线程输入阻塞)
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std::atomic<bool> stop_record(false);
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std::thread wait_thread([&]() {
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getchar();
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stop_record.store(true);
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// 先标记停止,但不立即退出,给回调留时间
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is_recording.store(false);
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});
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// 超时控制(可选)
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bool is_timeout = false;
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auto start_time = std::chrono::steady_clock::now();
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while (!stop_record.load() && !exit_program.load()) {
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// 非阻塞监听输入 + 超时检测(核心修复)
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while (is_recording.load() && !exit_program.load()) {
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// 检查是否有回车输入(手动停止)
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if (check_input_non_blocking()) {
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char c;
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read(STDIN_FILENO, &c, 1);
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if (c == '\n') { // 只响应回车
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is_recording.store(false);
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printf("\n🛑 已手动停止录制\n");
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break;
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}
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}
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// 检查超时
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auto duration = std::chrono::duration_cast<std::chrono::seconds>(
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std::chrono::steady_clock::now() - start_time).count();
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if (RECORD_TIMEOUT > 0 && duration >= RECORD_TIMEOUT) {
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printf("\n⏱️ 录制超时(%d秒),自动停止\n", RECORD_TIMEOUT);
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if (duration >= RECORD_TIMEOUT) {
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is_recording.store(false);
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stop_record.store(true);
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is_timeout = true;
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printf("\n⏱️ 录制超时(%d秒),自动停止\n", RECORD_TIMEOUT);
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break;
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}
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std::this_thread::sleep_for(std::chrono::milliseconds(100));
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}
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wait_thread.join();
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// 核心修复:等待1秒让回调线程写完最后几帧音频
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// 等待录制收尾
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progress_thread.join();
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printf("\n⏳ 正在收尾音频数据...");
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std::this_thread::sleep_for(std::chrono::milliseconds(RECORD_FINISH_WAIT_MS));
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progress_thread.join();
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printf("完成\n");
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if (exit_program.load()) break;
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// 检查录制数据
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// 拷贝音频数据
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std::vector<float> captured_audio;
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{
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std::lock_guard<std::mutex> lock(buffer_mutex);
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captured_audio = audio_buffer;
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}
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if (captured_audio.empty()) {
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printf("⚠️ 未采集到音频数据,请重新录制\n");
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continue;
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}
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// 优化1:静音裁剪(减少识别数据量)
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int valid_len = trim_silence(captured_audio.data(), captured_audio.size());
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float valid_seconds = (float)valid_len / 16000;
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printf("🔍 正在识别(有效音频长度:%.2f秒,原始:%.2f秒)...\n",
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valid_seconds, (float)captured_audio.size() / 16000);
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auto recognize_start = std::chrono::steady_clock::now();
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// 优化2:调整识别参数(CPU最优配置)
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whisper_full_params wparams = whisper_full_default_params(WHISPER_SAMPLING_GREEDY);
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wparams.language = "zh";
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wparams.n_threads = std::max(2, (int)std::thread::hardware_concurrency()); // 至少2线程
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wparams.print_progress = false;
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wparams.print_realtime = false;
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wparams.temperature = 0.0; // 最快的温度设置
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wparams.max_len = 0;
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wparams.translate = false;
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wparams.no_context = true;
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wparams.single_segment = true; // 单段识别(更快)
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wparams.print_special = false; // 不打印特殊字符
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wparams.token_timestamps = false; // 关闭时间戳(节省计算)
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// 执行识别(仅识别有效音频)
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if (whisper_full(ctx, wparams, captured_audio.data(), valid_len) != 0) {
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fprintf(stderr, "❌ 识别失败\n");
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continue;
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}
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// 输出识别结果
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auto recognize_duration = std::chrono::duration_cast<std::chrono::milliseconds>(
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std::chrono::steady_clock::now() - recognize_start).count();
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float speed = valid_seconds / (recognize_duration / 1000.0);
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printf("⏱️ 识别耗时:%.2f 秒 | 识别速度:%.2fx实时速度\n",
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recognize_duration / 1000.0, speed);
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const int n_segments = whisper_full_n_segments(ctx);
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if (n_segments == 0) {
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printf("📝 未识别到有效内容\n");
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} else {
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printf("📝 识别结果:\n");
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for (int i = 0; i < n_segments; ++i) {
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const char* text = whisper_full_get_segment_text(ctx, i);
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printf(" %s\n", text);
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}
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}
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// 执行识别(无论手动/超时,自动识别)
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recognize_audio(ctx, captured_audio);
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}
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// 清理资源
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