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132 lines
4.2 KiB
C++
132 lines
4.2 KiB
C++
#include "soundrecorder.h"
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#include <QDir>
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#include <QMediaDevices>
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#include "model/data.h"
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#include "toast.h"
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/////////////////////////////////////////////
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/// 单例模式
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/////////////////////////////////////////////
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SoundRecorder* SoundRecorder::instance = nullptr;
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SoundRecorder *SoundRecorder::getInstance()
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{
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if (instance == nullptr) {
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instance = new SoundRecorder();
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}
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return instance;
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}
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// 播放参考 https://www.cnblogs.com/tony-yang-flutter/p/16477212.html
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// 录制参考 https://doc.qt.io/qt-6/qaudiosource.html
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SoundRecorder::SoundRecorder(QObject *parent)
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: QObject{parent}
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{
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// 1. 创建目录
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QDir soundRootPath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation));
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soundRootPath.mkdir("sound");
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// 2. 初始化录制模块
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soundFile.setFileName(RECORD_PATH);
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QAudioFormat inputFormat;
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inputFormat.setSampleRate(16000);
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inputFormat.setChannelCount(1);
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inputFormat.setSampleFormat(QAudioFormat::Int16);
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QAudioDevice info = QMediaDevices::defaultAudioInput();
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if (!info.isFormatSupported(inputFormat)) {
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//LOG() << "录制设备, 格式不支持!";
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LOG() << "指定格式不支持，尝试使用设备的最佳格式进行录音";
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inputFormat = info.preferredFormat();
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QAudioFormat preferredFormat = inputFormat;
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// 打印查看详细的格式信息
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//LOG() << "设备首选格式详情:";
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//LOG() << " 采样率 (SampleRate):" << preferredFormat.sampleRate() << "Hz";48000hz
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//LOG() << " 声道数 (ChannelCount):" << preferredFormat.channelCount(); 2
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//LOG() << " 样本格式 (SampleFormat):" << preferredFormat.sampleFormat(); FLOAT
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// 确保至少是单声道
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/*if (inputFormat.channelCount() > 1) {
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inputFormat.setChannelCount(1);
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}*/
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//return;
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}
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audioSource = new QAudioSource(inputFormat, this);
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connect(audioSource, &QAudioSource::stateChanged, this, [=](QtAudio::State state) {
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if (state == QtAudio::StoppedState) {
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// 录制完毕
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if (audioSource->error() != QAudio::NoError) {
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LOG() << audioSource->error();
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}
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}
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});
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// 3. 初始化播放模块
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outputDevices = new QMediaDevices(this);
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outputDevice = outputDevices->defaultAudioOutput();
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QAudioFormat outputFormat;
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outputFormat.setSampleRate(16000);
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outputFormat.setChannelCount(1);
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outputFormat.setSampleFormat(QAudioFormat::Int16);
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if (!outputDevice.isFormatSupported(outputFormat)) {
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//LOG() << "播放设备, 格式不支持";
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LOG() << "指定格式不支持，尝试使用设备的最佳格式进行播放";
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outputFormat = outputDevice.preferredFormat();
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// 确保至少是单声道
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/*if (outputFormat.channelCount() > 1) {
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outputFormat.setChannelCount(1);
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}*/
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//return;
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}
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audioSink = new QAudioSink(outputDevice, outputFormat);
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connect(audioSink, &QAudioSink::stateChanged, this, [=](QtAudio::State state) {
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if (state == QtAudio::IdleState) {
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LOG() << "IdleState";
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this->stopPlay();
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emit this->soundPlayDone();
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} else if (state == QAudio::ActiveState) {
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LOG() << "ActiveState";
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} else if (state == QAudio::StoppedState) {
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LOG() << "StoppedState";
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if (audioSink->error() != QtAudio::NoError) {
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LOG() << audioSink->error();
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}
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}
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});
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}
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void SoundRecorder::startRecord() {
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soundFile.open( QIODevice::WriteOnly | QIODevice::Truncate );
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audioSource->start(&soundFile);
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}
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void SoundRecorder::stopRecord() {
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audioSource->stop();
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soundFile.close();
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emit this->soundRecordDone(RECORD_PATH);
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}
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void SoundRecorder::startPlay(const QByteArray& content) {
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if (content.isEmpty()) {
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Toast::showMessage("数据加载中, 请稍后播放");
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return;
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}
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// 1. 把数据写入到临时文件
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model::writeByteArrayToFile(PLAY_PATH, content);
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// 2. 播放语音
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inputFile.setFileName(PLAY_PATH);
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inputFile.open(QIODevice::ReadOnly);
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audioSink->start(&inputFile);
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}
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void SoundRecorder::stopPlay() {
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audioSink->stop();
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inputFile.close();
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}
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