doubao still not fix timeout remaining voice and also introduce new issue recording without enter key pressed

This commit is contained in:
nick huang 2026-03-17 15:54:15 +08:00
parent b6cd38c17b
commit 8b98941d75
1 changed files with 112 additions and 77 deletions

View File

@ -15,6 +15,7 @@
#include <algorithm>
#include <cstring>
#include <mutex>
#include <unistd.h> // 用于STDIN_FILENO和read
// 全局原子变量(线程安全)
std::atomic<bool> is_recording(false);
@ -23,9 +24,10 @@ std::atomic<int> recorded_seconds(0); // 实时录制时长
// 音频缓冲区(加锁保护)
std::vector<float> audio_buffer;
std::mutex buffer_mutex;
// 可选超时默认60秒可自定义
const int RECORD_TIMEOUT = 30; // 延长到60秒也可设为0取消超时
const int RECORD_FINISH_WAIT_MS = 5000; // 停止后等待1秒收尾
// 配置常量(可自定义)
const int RECORD_TIMEOUT = 30; // 超时时间(秒)
const int RECORD_FINISH_WAIT_MS = 5000; // 停止后收尾等待时间
const bool AUTO_RECOGNIZE_ON_TIMEOUT = true; // 超时自动识别
// 信号处理Ctrl+C 优雅退出
void signal_handler(int sig) {
@ -39,6 +41,27 @@ void signal_handler(int sig) {
}
}
// 非阻塞检查输入(解决超时后需按回车问题)
bool check_input_non_blocking() {
fd_set fds;
FD_ZERO(&fds);
FD_SET(STDIN_FILENO, &fds);
struct timeval tv;
tv.tv_sec = 0;
tv.tv_usec = 100000; // 100ms超时
return select(STDIN_FILENO + 1, &fds, NULL, NULL, &tv) > 0;
}
// 清空输入缓冲区(避免残留回车)
void clear_input_buffer() {
while (check_input_non_blocking()) {
char c;
read(STDIN_FILENO, &c, 1);
}
}
// 音频回调取消30秒帧上限
void data_callback(ma_device* pDevice, void* pOutput, const void* pInput, ma_uint32 frameCount) {
if (!is_recording.load() || pInput == NULL) return;
@ -93,14 +116,14 @@ void list_audio_devices(ma_context& context, ma_device_info** pCaptureInfos, ma_
printf("=============================================\n");
}
// 提示信息修复printf多参数问题
// 提示信息
void print_usage() {
printf("=============================================\n");
printf("🎤 语音识别程序CPU优化版\n");
printf("操作说明:\n");
printf(" 1. 按下【回车键】开始录制\n");
printf(" 2. 说话完成后按回车停止录制并识别\n");
printf(" 3. 录制超过%d秒自动停止(可自定义)\n", RECORD_TIMEOUT);
printf(" 3. 录制超过%d秒自动停止并识别\n", RECORD_TIMEOUT);
printf(" 4. 录制中实时显示时长:【录制中... X秒】\n");
printf(" 5. Ctrl+C 退出程序\n");
printf("=============================================\n");
@ -117,6 +140,60 @@ void print_cpu_optimize_tips() {
printf("=============================================\n");
}
// 核心识别函数(抽离复用)
void recognize_audio(struct whisper_context* ctx, const std::vector<float>& audio_data) {
if (audio_data.empty()) {
printf("⚠️ 未采集到音频数据,跳过识别\n");
return;
}
// 静音裁剪
int valid_len = trim_silence(audio_data.data(), audio_data.size());
float valid_seconds = (float)valid_len / 16000;
printf("🔍 正在识别(有效音频长度:%.2f秒,原始:%.2f秒)...\n",
valid_seconds, (float)audio_data.size() / 16000);
auto recognize_start = std::chrono::steady_clock::now();
// CPU最优识别参数
whisper_full_params wparams = whisper_full_default_params(WHISPER_SAMPLING_GREEDY);
wparams.language = "zh";
wparams.n_threads = std::max(2, (int)std::thread::hardware_concurrency());
wparams.print_progress = false;
wparams.print_realtime = false;
wparams.temperature = 0.0;
wparams.max_len = 0;
wparams.translate = false;
wparams.no_context = true;
wparams.single_segment = true;
wparams.print_special = false;
wparams.token_timestamps = false;
// 执行识别
if (whisper_full(ctx, wparams, audio_data.data(), valid_len) != 0) {
fprintf(stderr, "❌ 识别失败\n");
return;
}
// 输出结果
auto recognize_duration = std::chrono::duration_cast<std::chrono::milliseconds>(
std::chrono::steady_clock::now() - recognize_start).count();
float speed = valid_seconds / (recognize_duration / 1000.0);
printf("⏱️ 识别耗时:%.2f 秒 | 识别速度:%.2fx实时速度\n",
recognize_duration / 1000.0, speed);
const int n_segments = whisper_full_n_segments(ctx);
if (n_segments == 0) {
printf("📝 未识别到有效内容\n");
} else {
printf("📝 识别结果:\n");
for (int i = 0; i < n_segments; ++i) {
const char* text = whisper_full_get_segment_text(ctx, i);
printf(" %s\n", text);
}
}
}
int main(int argc, char** argv) {
signal(SIGINT, signal_handler);
@ -146,12 +223,12 @@ int main(int argc, char** argv) {
fprintf(stderr, "❌ 输入无效使用默认设备ID 0\n");
device_id = 0;
}
while (getchar() != '\n'); // 清空输入缓冲区
clear_input_buffer(); // 清空输入缓冲区
}
// 4. 初始化 Whisper 模型CPU优化移除不存在的use_flash_attention
// 4. 初始化 Whisper 模型
struct whisper_context_params cparams = whisper_context_default_params();
cparams.use_gpu = false; // 强制CPU避免GPU检测开销
cparams.use_gpu = false; // 强制CPU
printf("\n🚀 正在加载模型:%s\n", model_path);
struct whisper_context* ctx = whisper_init_from_file_with_params(model_path, cparams);
@ -202,6 +279,7 @@ int main(int argc, char** argv) {
while (!exit_program.load()) {
printf("\n👉 按下回车键开始录制...\n");
getchar();
clear_input_buffer(); // 清空残留输入
if (exit_program.load()) break;
@ -218,101 +296,58 @@ int main(int argc, char** argv) {
std::thread progress_thread([&]() {
while (is_recording.load() && !exit_program.load()) {
printf("\r📊 录制中... %d秒", recorded_seconds.load());
fflush(stdout); // 强制刷新输出
fflush(stdout);
std::this_thread::sleep_for(std::chrono::seconds(1));
}
});
// 等待用户停止录制(主线程监听,避免子线程输入阻塞)
std::atomic<bool> stop_record(false);
std::thread wait_thread([&]() {
getchar();
stop_record.store(true);
// 先标记停止,但不立即退出,给回调留时间
is_recording.store(false);
});
// 超时控制(可选)
bool is_timeout = false;
auto start_time = std::chrono::steady_clock::now();
while (!stop_record.load() && !exit_program.load()) {
// 非阻塞监听输入 + 超时检测(核心修复)
while (is_recording.load() && !exit_program.load()) {
// 检查是否有回车输入(手动停止)
if (check_input_non_blocking()) {
char c;
read(STDIN_FILENO, &c, 1);
if (c == '\n') { // 只响应回车
is_recording.store(false);
printf("\n🛑 已手动停止录制\n");
break;
}
}
// 检查超时
auto duration = std::chrono::duration_cast<std::chrono::seconds>(
std::chrono::steady_clock::now() - start_time).count();
if (RECORD_TIMEOUT > 0 && duration >= RECORD_TIMEOUT) {
printf("\n⏱️ 录制超时(%d秒自动停止\n", RECORD_TIMEOUT);
if (duration >= RECORD_TIMEOUT) {
is_recording.store(false);
stop_record.store(true);
is_timeout = true;
printf("\n⏱️ 录制超时(%d秒自动停止\n", RECORD_TIMEOUT);
break;
}
std::this_thread::sleep_for(std::chrono::milliseconds(100));
}
wait_thread.join();
// 核心修复等待1秒让回调线程写完最后几帧音频
// 等待录制收尾
progress_thread.join();
printf("\n⏳ 正在收尾音频数据...");
std::this_thread::sleep_for(std::chrono::milliseconds(RECORD_FINISH_WAIT_MS));
progress_thread.join();
printf("完成\n");
if (exit_program.load()) break;
// 检查录制数据
// 拷贝音频数据
std::vector<float> captured_audio;
{
std::lock_guard<std::mutex> lock(buffer_mutex);
captured_audio = audio_buffer;
}
if (captured_audio.empty()) {
printf("⚠️ 未采集到音频数据,请重新录制\n");
continue;
}
// 优化1静音裁剪减少识别数据量
int valid_len = trim_silence(captured_audio.data(), captured_audio.size());
float valid_seconds = (float)valid_len / 16000;
printf("🔍 正在识别(有效音频长度:%.2f秒,原始:%.2f秒)...\n",
valid_seconds, (float)captured_audio.size() / 16000);
auto recognize_start = std::chrono::steady_clock::now();
// 优化2调整识别参数CPU最优配置
whisper_full_params wparams = whisper_full_default_params(WHISPER_SAMPLING_GREEDY);
wparams.language = "zh";
wparams.n_threads = std::max(2, (int)std::thread::hardware_concurrency()); // 至少2线程
wparams.print_progress = false;
wparams.print_realtime = false;
wparams.temperature = 0.0; // 最快的温度设置
wparams.max_len = 0;
wparams.translate = false;
wparams.no_context = true;
wparams.single_segment = true; // 单段识别(更快)
wparams.print_special = false; // 不打印特殊字符
wparams.token_timestamps = false; // 关闭时间戳(节省计算)
// 执行识别(仅识别有效音频)
if (whisper_full(ctx, wparams, captured_audio.data(), valid_len) != 0) {
fprintf(stderr, "❌ 识别失败\n");
continue;
}
// 输出识别结果
auto recognize_duration = std::chrono::duration_cast<std::chrono::milliseconds>(
std::chrono::steady_clock::now() - recognize_start).count();
float speed = valid_seconds / (recognize_duration / 1000.0);
printf("⏱️ 识别耗时:%.2f 秒 | 识别速度:%.2fx实时速度\n",
recognize_duration / 1000.0, speed);
const int n_segments = whisper_full_n_segments(ctx);
if (n_segments == 0) {
printf("📝 未识别到有效内容\n");
} else {
printf("📝 识别结果:\n");
for (int i = 0; i < n_segments; ++i) {
const char* text = whisper_full_get_segment_text(ctx, i);
printf(" %s\n", text);
}
}
// 执行识别(无论手动/超时,自动识别)
recognize_audio(ctx, captured_audio);
}
// 清理资源