very good result with one issue of 30seconds not reached and trunk
This commit is contained in:
parent
8146d4f030
commit
91958f1b0a
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@ -3,3 +3,5 @@ g++ -O3 minimal_mic.cpp \
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./build/src/libwhisper.so \
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-L/usr/local/cuda/lib64 -lcudart -lcublas \
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-lpthread -ldl -lm -lrt -o minimal_mic
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g++ -O3 doubao_mic.cpp -I. -I./include -I./ggml/include -I./examples ./build_gpu/src/libwhisper.so -L/usr/local/cuda/lib64 -lcudart -lcublas -lportaudio -lpthread -ldl -lm -lrt -o doubao_mic.exe
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491
doubao_mic.cpp
491
doubao_mic.cpp
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@ -1,299 +1,278 @@
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#include "whisper.h"
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#include <portaudio.h>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include <ctime>
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#include <iostream>
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#include <vector>
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#include <string>
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#include "common.h"
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// ====================== 1. 枚举并选择麦克风设备(纯PortAudio原生实现) ======================
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void enumerate_audio_devices() {
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PaError err = Pa_Initialize();
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if (err != paNoError) {
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fprintf(stderr, "❌ PortAudio初始化失败: %s\n", Pa_GetErrorText(err));
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#define MINIAUDIO_IMPLEMENTATION
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#include "miniaudio.h"
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#include <vector>
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#include <cstdio>
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#include <string>
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#include <atomic>
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#include <chrono>
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#include <thread>
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#include <csignal>
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#include <cstdlib>
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#include <algorithm>
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#include <cstring>
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#include <mutex> // 关键:补充缺失的mutex头文件
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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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std::atomic<bool> exit_program(false);
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// 音频缓冲区(加锁保护,避免多线程冲突)
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std::vector<float> audio_buffer;
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std::mutex buffer_mutex; // 现在有头文件支持,不会报错
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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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if (sig == SIGINT) {
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printf("\n\n🛑 收到退出信号,正在清理资源...\n");
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exit_program.store(true);
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is_recording.store(false);
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exit(0);
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}
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}
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// 音频回调(旧版 miniaudio 兼容)
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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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const float* pInputFloat = (const float*)pInput;
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if (pInputFloat == NULL) return;
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// 加锁操作缓冲区(避免主线程/回调线程冲突)
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std::lock_guard<std::mutex> lock(buffer_mutex);
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// 限制最大录制时长 30 秒(16000Hz)
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const size_t max_frames = 16000 * 30;
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const size_t available = max_frames - audio_buffer.size();
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if (available == 0) {
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is_recording.store(false);
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return;
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}
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int numDevices = Pa_GetDeviceCount();
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const size_t copy_frames = (frameCount > available) ? available : frameCount;
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audio_buffer.insert(audio_buffer.end(), pInputFloat, pInputFloat + copy_frames);
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}
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// 列出系统音频设备(兼容旧版 API)
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void list_audio_devices(ma_context& context, ma_device_info** pCaptureInfos, ma_uint32& captureCount) {
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printf("\n📜 系统可用麦克风设备列表:\n");
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printf("=============================================\n");
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for (int i = 0; i < numDevices; i++) {
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const PaDeviceInfo* pInfo = Pa_GetDeviceInfo(i);
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// 只显示输入设备(麦克风,至少1个输入声道)
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if (pInfo->maxInputChannels > 0) {
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printf("🔧 设备ID: %d | 名称: %s\n", i, pInfo->name);
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printf(" 最大输入声道: %d | 默认采样率: %.1f Hz\n",
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pInfo->maxInputChannels, pInfo->defaultSampleRate);
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printf("---------------------------------------------\n");
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}
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}
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printf("=============================================\n\n");
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Pa_Terminate();
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ma_result result = ma_context_get_devices(&context, NULL, NULL, pCaptureInfos, &captureCount);
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if (result != MA_SUCCESS) {
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fprintf(stderr, "❌ 获取设备列表失败,使用默认设备\n");
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*pCaptureInfos = NULL;
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captureCount = 0;
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return;
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}
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for (ma_uint32 i = 0; i < captureCount; ++i) {
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printf("🔧 设备ID: %u | 名称: %s\n", i, (*pCaptureInfos)[i].name);
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printf(" 声道数: 1 | 采样率: 16000 Hz\n"); // 固定 16000Hz 避免采样率冲突
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printf("---------------------------------------------\n");
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}
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printf("=============================================\n");
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}
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int select_mic_device() {
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int selected_id = -1;
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printf("👉 请输入你要使用的麦克风设备ID(比如苹果耳机对应的ID):");
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std::cin >> selected_id;
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// 验证设备ID有效性
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PaError err = Pa_Initialize();
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if (err != paNoError) {
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fprintf(stderr, "❌ PortAudio初始化失败: %s\n", Pa_GetErrorText(err));
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return -1;
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}
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int numDevices = Pa_GetDeviceCount();
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if (selected_id < 0 || selected_id >= numDevices) {
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fprintf(stderr, "❌ 设备ID无效!请输入列表中的有效ID\n");
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Pa_Terminate();
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return -1;
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}
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const PaDeviceInfo* pInfo = Pa_GetDeviceInfo(selected_id);
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if (pInfo->maxInputChannels == 0) {
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fprintf(stderr, "❌ 选择的设备不是麦克风(无输入声道)!\n");
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Pa_Terminate();
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return -1;
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}
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printf("\n✅ 已选择麦克风:\n");
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printf(" ID: %d | 名称: %s\n", selected_id, pInfo->name);
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printf(" 采样率: %.1f Hz | 声道数: %d\n\n",
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pInfo->defaultSampleRate, pInfo->maxInputChannels);
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Pa_Terminate();
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return selected_id;
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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(旧版兼容)\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30秒自动停止\n");
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printf(" 4. Ctrl+C 退出程序\n");
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printf("=============================================\n");
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}
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// ====================== 2. 音频采集函数(纯PortAudio原生实现) ======================
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int audio_record(short* buffer, int buffer_size, int sample_rate, int channels, int max_seconds, int device_id) {
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PaError err;
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PaStream* stream;
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PaStreamParameters input_params;
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// 初始化PortAudio
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err = Pa_Initialize();
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if (err != paNoError) {
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fprintf(stderr, "❌ PortAudio初始化失败: %s\n", Pa_GetErrorText(err));
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return -1;
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}
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// 配置输入参数(指定麦克风设备ID)
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input_params.device = device_id;
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input_params.channelCount = channels;
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input_params.sampleFormat = paInt16; // 16位深(Whisper要求)
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input_params.suggestedLatency = Pa_GetDeviceInfo(device_id)->defaultLowInputLatency;
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input_params.hostApiSpecificStreamInfo = NULL;
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// 打开音频流
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err = Pa_OpenStream(
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&stream,
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&input_params,
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NULL, // 无输出
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sample_rate,
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1024, // 缓冲区大小
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paClipOff, // 关闭裁剪
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NULL, // 无回调
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NULL
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);
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if (err != paNoError) {
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fprintf(stderr, "❌ 打开音频流失败: %s\n", Pa_GetErrorText(err));
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Pa_Terminate();
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return -1;
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}
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// 开始录制
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err = Pa_StartStream(stream);
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if (err != paNoError) {
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fprintf(stderr, "❌ 开始录制失败: %s\n", Pa_GetErrorText(err));
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Pa_CloseStream(stream);
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Pa_Terminate();
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return -1;
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}
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printf("🎙️ 录制中(按回车键停止,最长%d秒)...\n", max_seconds);
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int total_samples = 0;
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time_t start_time = time(NULL);
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// 录制逻辑:要么按回车停止,要么超时停止
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while (1) {
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// 读取音频数据
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int samples_to_read = buffer_size - total_samples;
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if (samples_to_read <= 0) break;
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err = Pa_ReadStream(stream, buffer + total_samples, 1024);
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if (err != paNoError) {
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fprintf(stderr, "❌ 读取音频失败: %s\n", Pa_GetErrorText(err));
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break;
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}
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total_samples += 1024;
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// 超时检查(max_seconds秒)
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if (difftime(time(NULL), start_time) >= max_seconds) {
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printf("\n⏰ 录制超时(%d秒),自动停止\n", max_seconds);
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break;
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}
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// 检查是否按了回车
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if (std::cin.rdbuf()->in_avail() > 0) {
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getchar();
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printf("\n🛑 用户停止录制\n");
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break;
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}
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}
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// 停止录制
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Pa_StopStream(stream);
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Pa_CloseStream(stream);
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Pa_Terminate();
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return total_samples;
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// GPU 状态提示(兼容旧版)
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void check_gpu_status() {
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printf("🔍 GPU加速配置说明:\n");
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printf(" ❌ 若识别速度慢,说明使用CPU运行\n");
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printf(" ✅ 启用GPU:重新编译whisper.cpp时添加 -DWHISPER_CUDA=ON\n");
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}
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// ====================== 3. 新增:short转float(Whisper要求) ======================
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void convert_short_to_float(const short* src, float* dst, int count) {
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// 16位short的范围是[-32768, 32767],归一化到float的[-1.0, 1.0]
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for (int i = 0; i < count; i++) {
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dst[i] = static_cast<float>(src[i]) / 32768.0f;
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}
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}
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int main(int argc, char** argv) {
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// 注册信号处理
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signal(SIGINT, signal_handler);
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// ====================== 4. 主函数(修正数据类型转换) ======================
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int main(int argc, char **argv) {
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// 检查参数
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if (argc < 2) {
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fprintf(stderr, "用法: %s 模型文件路径(如 ./models/ggml-medium.bin)\n", argv[0]);
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fprintf(stderr, "Usage: %s <model_path>\n", argv[0]);
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return 1;
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}
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const char* model_path = argv[1];
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// 步骤1:枚举并选择麦克风
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enumerate_audio_devices();
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int mic_device_id = select_mic_device();
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if (mic_device_id < 0) {
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fprintf(stderr, "❌ 麦克风选择失败,程序退出\n");
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// 1. 初始化音频上下文(旧版兼容)
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ma_context context;
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if (ma_context_init(NULL, 0, NULL, &context) != MA_SUCCESS) {
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fprintf(stderr, "❌ 初始化音频上下文失败\n");
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return 1;
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}
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// 步骤2:GPU加速配置说明
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printf("\n🔍 GPU加速配置说明...\n");
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printf(" 当前已启用GPU加速(use_gpu = true)\n");
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printf(" ✅ 如果编译时链接了CUDA库,模型会自动使用GPU\n");
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printf(" ❌ 如果识别速度很慢,说明实际使用CPU运行\n");
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printf(" 验证方法:观察识别耗时,GPU版本比CPU快5-10倍\n\n");
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// 2. 枚举麦克风设备
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ma_device_info* pCaptureInfos = NULL;
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ma_uint32 captureCount = 0;
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list_audio_devices(context, &pCaptureInfos, captureCount);
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// 步骤3:加载Whisper模型(启用GPU)
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printf("🚀 正在加载模型:%s\n", model_path);
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// 3. 选择麦克风设备
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ma_uint32 device_id = 0;
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if (captureCount > 0) {
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printf("\n👉 请输入要使用的麦克风设备ID:");
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if (scanf("%u", &device_id) != 1 || device_id >= captureCount) {
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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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// 清空输入缓冲区
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while (getchar() != '\n');
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}
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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 = true;
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cparams.gpu_device = 0;
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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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if (!ctx) {
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fprintf(stderr, "❌ 加载模型失败: %s\n", model_path);
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fprintf(stderr, "❌ 初始化Whisper模型失败\n");
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ma_context_uninit(&context);
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return 1;
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}
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// 打印模型信息
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whisper_print_system_info();
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// GPU 状态提示
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check_gpu_status();
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printf("✅ 模型加载成功!\n");
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printf(" 📌 若识别速度快(几秒内完成)= GPU运行\n");
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printf(" 📌 若识别速度慢(十几秒/分钟)= CPU运行\n");
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printf("=============================================\n");
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printf("🎤 语音识别程序(指定麦克风版)\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,再次按下【回车键】停止录制并识别\n");
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printf(" 3. 录制超过30秒会自动停止\n");
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printf(" 4. Ctrl+C 退出程序\n");
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printf("=============================================\n\n");
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// 步骤4:准备音频缓冲区
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const int sample_rate = 16000; // Whisper标准采样率
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const int channels = 1; // 单声道
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const int max_seconds = 30; // 最长录制30秒
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const int buffer_size = sample_rate * channels * max_seconds;
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// 原始音频缓冲区(short类型)
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short* buffer_short = (short*)malloc(buffer_size * sizeof(short));
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// Whisper输入缓冲区(float类型)
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float* buffer_float = (float*)malloc(buffer_size * sizeof(float));
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if (!buffer_short || !buffer_float) {
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fprintf(stderr, "❌ 分配音频缓冲区失败\n");
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free(buffer_short);
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free(buffer_float);
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whisper_free(ctx);
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return 1;
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}
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// 5. 初始化录音设备(旧版 miniaudio 核心兼容)
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ma_device_config deviceConfig = ma_device_config_init(ma_device_type_capture);
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deviceConfig.capture.format = ma_format_f32; // Whisper 要求 float32
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deviceConfig.capture.channels = 1; // 单声道
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deviceConfig.sampleRate = 16000; // 固定 16000Hz 避免采样率错误
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deviceConfig.dataCallback = data_callback; // 回调函数
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deviceConfig.pUserData = NULL;
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// 步骤5:等待用户开始录制
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printf("👉 按下回车键开始录制...\n");
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getchar();
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// 步骤6:录制音频(指定选择的麦克风)
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int samples_read = audio_record(buffer_short, buffer_size, sample_rate, channels, max_seconds, mic_device_id);
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if (samples_read <= 0) {
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fprintf(stderr, "❌ 录制音频失败\n");
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free(buffer_short);
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free(buffer_float);
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whisper_free(ctx);
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return 1;
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}
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// 步骤7:关键修正:short转float(Whisper要求)
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convert_short_to_float(buffer_short, buffer_float, samples_read);
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// 步骤8:语音识别(传入float缓冲区)
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printf("\n🔍 正在识别...\n");
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||||
clock_t start = clock();
|
||||
|
||||
struct whisper_full_params wparams = whisper_full_default_params(WHISPER_SAMPLING_GREEDY);
|
||||
wparams.language = "zh"; // 中文识别
|
||||
wparams.translate = false;
|
||||
wparams.print_special = false;
|
||||
wparams.print_progress = false;
|
||||
wparams.print_realtime = false;
|
||||
wparams.print_timestamps = false;
|
||||
|
||||
// 传入float类型的buffer_float,而非short类型的buffer_short
|
||||
if (whisper_full(ctx, wparams, buffer_float, samples_read) != 0) {
|
||||
fprintf(stderr, "❌ 识别音频失败\n");
|
||||
free(buffer_short);
|
||||
free(buffer_float);
|
||||
whisper_free(ctx);
|
||||
return 1;
|
||||
}
|
||||
|
||||
// 步骤9:输出结果
|
||||
clock_t end = clock();
|
||||
double elapsed = (double)(end - start) / CLOCKS_PER_SEC;
|
||||
printf("⏱️ 识别耗时:%.2f 秒\n", elapsed);
|
||||
|
||||
if (elapsed < 5.0) {
|
||||
printf(" 🎯 识别速度快,应该是GPU在运行!\n");
|
||||
// 指定选中的麦克风设备(旧版用 pDeviceID)
|
||||
if (captureCount > 0 && pCaptureInfos != NULL) {
|
||||
deviceConfig.capture.pDeviceID = &pCaptureInfos[device_id].id;
|
||||
printf("\n✅ 已选择麦克风:%s\n", pCaptureInfos[device_id].name);
|
||||
} else {
|
||||
printf(" ⚠️ 识别速度慢,当前使用CPU运行(需编译CUDA版本)\n");
|
||||
printf("\n✅ 使用默认麦克风设备\n");
|
||||
}
|
||||
|
||||
printf("📝 识别结果:\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);
|
||||
printf("%s\n ", text);
|
||||
ma_device device;
|
||||
if (ma_device_init(&context, &deviceConfig, &device) != MA_SUCCESS) {
|
||||
fprintf(stderr, "❌ 打开录音设备失败\n");
|
||||
whisper_free(ctx);
|
||||
ma_context_uninit(&context);
|
||||
return 1;
|
||||
}
|
||||
printf("\n");
|
||||
|
||||
// 步骤10:清理资源
|
||||
free(buffer_short);
|
||||
free(buffer_float);
|
||||
// 启动录音设备(仅初始化,不采集数据)
|
||||
if (ma_device_start(&device) != MA_SUCCESS) {
|
||||
fprintf(stderr, "❌ 启动录音设备失败\n");
|
||||
ma_device_uninit(&device);
|
||||
whisper_free(ctx);
|
||||
ma_context_uninit(&context);
|
||||
return 1;
|
||||
}
|
||||
|
||||
print_usage();
|
||||
|
||||
// 主循环
|
||||
while (!exit_program.load()) {
|
||||
// 等待用户按回车开始录制
|
||||
printf("\n👉 按下回车键开始录制...\n");
|
||||
getchar();
|
||||
|
||||
if (exit_program.load()) break;
|
||||
|
||||
// 重置录制状态
|
||||
is_recording.store(true);
|
||||
{
|
||||
std::lock_guard<std::mutex> lock(buffer_mutex);
|
||||
audio_buffer.clear();
|
||||
}
|
||||
printf("🎙️ 正在录制(按回车停止,最长30秒)...\n");
|
||||
|
||||
// 等待用户停止录制(子线程监听回车)
|
||||
std::thread wait_thread([&]() {
|
||||
getchar();
|
||||
is_recording.store(false);
|
||||
});
|
||||
|
||||
// 超时控制(30秒)
|
||||
auto start_time = std::chrono::steady_clock::now();
|
||||
while (is_recording.load() && !exit_program.load()) {
|
||||
auto duration = std::chrono::duration_cast<std::chrono::seconds>(
|
||||
std::chrono::steady_clock::now() - start_time).count();
|
||||
|
||||
if (duration >= 30) {
|
||||
printf("⏱️ 录制超时,自动停止\n");
|
||||
is_recording.store(false);
|
||||
break;
|
||||
}
|
||||
std::this_thread::sleep_for(std::chrono::milliseconds(100));
|
||||
}
|
||||
|
||||
wait_thread.join();
|
||||
is_recording.store(false);
|
||||
|
||||
if (exit_program.load()) break;
|
||||
|
||||
// 检查录制数据
|
||||
std::vector<float> captured_audio;
|
||||
{
|
||||
std::lock_guard<std::mutex> lock(buffer_mutex);
|
||||
captured_audio = audio_buffer; // 拷贝数据避免锁冲突
|
||||
}
|
||||
|
||||
if (captured_audio.empty()) {
|
||||
printf("⚠️ 未采集到音频数据,请重新录制\n");
|
||||
continue;
|
||||
}
|
||||
|
||||
// 开始识别
|
||||
printf("🔍 正在识别(音频长度:%.2f秒)...\n", (float)captured_audio.size() / 16000);
|
||||
auto recognize_start = std::chrono::steady_clock::now();
|
||||
|
||||
whisper_full_params wparams = whisper_full_default_params(WHISPER_SAMPLING_GREEDY);
|
||||
wparams.language = "zh";
|
||||
wparams.n_threads = std::max(1, (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;
|
||||
|
||||
if (whisper_full(ctx, wparams, captured_audio.data(), captured_audio.size()) != 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();
|
||||
printf("⏱️ 识别耗时:%.2f 秒\n", recognize_duration / 1000.0);
|
||||
|
||||
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);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// 清理资源
|
||||
ma_device_uninit(&device);
|
||||
ma_context_uninit(&context);
|
||||
whisper_free(ctx);
|
||||
|
||||
printf("✅ 资源清理完成,程序退出\n");
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue