perf: 消除按键到录音 1s 延迟，按下立即录音
旧流程: 按下 → PreRecording → 1s 定时器 → Recording (延迟 ~1032ms) 新流程: 按下 → 立即 Recording (延迟 ~0ms) 状态机简化: - 移除 PreRecording 状态和 1s 长按确认逻辑 - Idle → Activated → 直接 Recording - Deactivated → 识别 → 复位 CapsLock → Cooldown 统计仍然保留，现在应该显示 0ms 延迟。 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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impressionyang
parent
2152dcb296
commit
c64a8123be
@ -42,33 +42,9 @@ VoiceInputService::VoiceInputService(ConfigManager* configManager,
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{
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impl_->sttEngine = sttEngine;
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// 1s 定时器：确认长按 → 开始正式录音（CapsLock 灯保持 ON，识别后复位）
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// 确认长按定时器 → 直接进入 Recording，消除 1s 延迟
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longPressTimer_ = new QTimer(this);
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longPressTimer_->setSingleShot(true);
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connect(longPressTimer_, &QTimer::timeout, this, [this]() {
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if (state_ == PreRecording) {
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state_ = Recording;
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audioBuffer_.clear(); // 清除预录音期间的静音
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emit statusChanged("正在录音...");
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// 统计按键到录音延迟
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if (latencyTracking_ && hotkeyLatencyTimer_.isValid()) {
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qint64 latencyMs = hotkeyLatencyTimer_.elapsed();
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totalKeyCount_++;
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totalLatencyMs_ += latencyMs;
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maxLatencyMs_ = std::max(maxLatencyMs_, (double)latencyMs);
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minLatencyMs_ = std::min(minLatencyMs_, (double)latencyMs);
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double avgMs = totalLatencyMs_ / totalKeyCount_;
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LOG_INFO(kTag, QString("⏱ 按键→录音延迟: %1ms (平均: %2ms, 最小: %3ms, 最大: %4ms, 累计: %5次)")
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.arg(latencyMs).arg(avgMs, 0, 'f', 0)
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.arg(minLatencyMs_, 0, 'f', 0).arg(maxLatencyMs_, 0, 'f', 0)
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.arg(totalKeyCount_));
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latencyTracking_ = false;
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}
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LOG_DEBUG(kTag, "PreRecording → Recording (灯保持 ON，开始录音)");
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}
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});
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// 松开后冷却定时器
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cooldownTimer_ = new QTimer(this);
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@ -163,31 +139,35 @@ void VoiceInputService::onHotkeyActivated() {
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return;
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}
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// PreRecording 重复触发：忽略
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if (state_ == PreRecording) {
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LOG_DEBUG(kTag, "忽略重复 Activated (PreRecording 防抖)");
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return;
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}
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// Idle → PreRecording（灯亮，预录音）
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state_ = PreRecording;
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// Idle → 直接进入 Recording，消除 1s 延迟
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state_ = Recording;
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recording_ = true;
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audioBuffer_.clear();
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// 启动延迟统计
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hotkeyLatencyTimer_.start();
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latencyTracking_ = true;
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int deviceIndex = configManager_->get("audio.input_device").toInt();
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int sampleRate = configManager_->get("stt.sample_rate").toInt();
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int bufferSizeMs = configManager_->get("audio.buffer_size_ms").toInt();
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impl_->audioCapture->start(deviceIndex, sampleRate, bufferSizeMs);
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// 启动 1s 定时器：灯灭 → 正式录音
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longPressTimer_->start(longPressThreshold_);
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// 延迟统计（现在应该接近 0）
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hotkeyLatencyTimer_.start();
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latencyTracking_ = true;
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qint64 latencyMs = 0;
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LOG_DEBUG(kTag, "Idle → PreRecording (灯亮)");
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emit statusChanged("等待长按确认...");
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LOG_DEBUG(kTag, "Idle → Recording (立即开始录音)");
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emit statusChanged("正在录音...");
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// 统计打印
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totalKeyCount_++;
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totalLatencyMs_ += latencyMs;
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maxLatencyMs_ = std::max(maxLatencyMs_, (double)latencyMs);
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minLatencyMs_ = std::min(minLatencyMs_, (double)latencyMs);
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double avgMs = totalLatencyMs_ / totalKeyCount_;
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LOG_INFO(kTag, QString("⏱ 按键→录音延迟: %1ms (平均: %2ms, 最小: %3ms, 最大: %4ms, 累计: %5次)")
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.arg(latencyMs).arg(avgMs, 0, 'f', 0)
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.arg(minLatencyMs_, 0, 'f', 0).arg(maxLatencyMs_, 0, 'f', 0)
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.arg(totalKeyCount_));
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latencyTracking_ = false;
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}
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void VoiceInputService::onHotkeyDeactivated() {
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@ -205,15 +185,11 @@ void VoiceInputService::onHotkeyDeactivated() {
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impl_->audioCapture->stop();
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}
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if (state_ == PreRecording) {
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// 短按 → 恢复 CapsLock 灯
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if (state_ == Recording) {
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// 松开 → 先恢复 CapsLock 灯，再开始识别
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simulateCapsLock();
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state_ = Idle;
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LOG_DEBUG(kTag, "短按，恢复 CapsLock 灯");
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} else if (state_ == Recording) {
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// 长按后松开 → 灯保持 ON，等待识别完成后复位
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state_ = Idle;
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LOG_DEBUG(kTag, "Recording → Idle (松开转写，灯保持 ON)");
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LOG_DEBUG(kTag, "Recording → Idle (松开转写)");
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stopRecordingAndTranscribe();
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}
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@ -18,20 +18,18 @@ class ConfigManager;
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/**
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* @brief CapsLock 语音输入服务
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*
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* CapsLock 灯作为录音状态指示器：
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* 按下 → 灯亮 (PreRecording) → 1s 后开始正式录音 (Recording，灯保持亮)
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* 流程：
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* 按下 CapsLock → 立即开始录音（Recording）
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* → 松开 → 识别 → 注入文本 → 复位 CapsLock 灯
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*
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* 状态完全通过托盘图标指示：
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* 托盘图标指示：
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* 绿色 ○ — 就绪（静默）
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* 黄色 ○ — 等待长按确认
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* 红色 ● — 正在录音
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* 橙色 ◉ — 正在识别
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*
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* 状态机：
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* Idle — 空闲
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* PreRecording — 按下，灯亮，等待长按确认
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* Recording — 1s 后正式录音（屏蔽 Portal 信号，灯保持亮）
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* Recording — 按键按下，正式录音（屏蔽后续 Activated 信号）
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* Cooldown — 松开后冷却，防止误触
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*/
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class VoiceInputService : public QObject {
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