#include?“audiorecorder.h“
#include?

struct?HEADER
{
?char?RIFFNAME[4];
?unsigned?long?nRIFFLength;
?char?WAVNAME[4];
?char?FMTNAME[4];
?unsigned?long?nFMTLength;
?unsigned?short?nAudioFormat;
?unsigned?short?nChannleNumber;
?//unsigned?short?nSampleRate;
?unsigned?long?nSampleRate;
?unsigned?long?nBytesPerSecond;
?unsigned?short?nBytesPerSample;
?unsigned?short????nBitsPerSample;
?char????DATANAME[4];
?unsigned?long???nDataLength;
};

AudioRecorder::AudioRecorder（QWidget?*parent）
????:?QWidget（parent）
{
????start?=?new?QPushButton（tr（“start“））;
????stop?=?new?QPushButton（tr（“stop“））;
????play?=?new?QPushButton（tr（“play“））;
????save?=?new?QPushButton（tr（“save“））;
????stop->setDisabled（true）;
????play->setDisabled（true）;
????save->setDisabled（true）;

????debugInfo?=?new?QTextEdit（）;

????QHBoxLayout?*hlayout?=?new?QHBoxLayout（）;
????hlayout->addWidget（start）;
????hlayout->addWidget（stop）;
????hlayout->addWidget（play）;
????hlayout->addWidget（save）;

???//?QHBoxLayout?*hlayout1?=?new?QHBoxLayout（）;


????QVBoxLayout?*layout?=?new?QVBoxLayout（）;
????layout->addLayout（hlayout）;
????layout->addWidget（debugInfo）;

????this->setLayout（layout）;

????outputFile?=?new?QFile（）;
????outputFile->setFileName（tr（“record.raw“））;

????format.setFrequency（8000）;
????format.setChannels（1）;
????format.setSampleSize（16）;
????format.setSampleType（QAudioFormat::SignedInt）;
????format.setByteOrder（QAudioFormat::LittleEndian）;
????format.setCodec（“audio/pcm“）;

????QAudioDeviceInfo?info（QAudioDeviceInfo::defaultInputDevice（））;
????if?（!info.isFormatSupported（format））?{
????????qWarning（“input?default?format?not?supported?try?to?use?nearest“）;
????????format?=?info.nearestFormat（format）;
????}



????QAudioDeviceInfo?info1（QAudioDeviceInfo::defaultOutputDevice（））;
????if?（!info1.isFormatSupported（format））?{
???????????qWarning（）?<//???????????format?=?info.nearestFormat（m_format）;
???????????qWarning（）?<???????????return;
????}

????if（format.sampleSize（）?!=?16）?{
????????qWarning（“audio?device?doesn‘t?support?16?bit?support?%d?bit?samples?example?cannot?run“?format.sampleSize（））;
????????audioInput?=?0;
????????return;
????}

????audioInput?=?NULL;
????audioOutput?=?NULL;

????connect（start?SIGNAL（clicked（））?thisSLOT（recordStart（）））;
????connect（stop?SIGNAL（clicked（））?thisSLOT（recordStop（）））;
????connect（play?SIGNAL（clicked（））?thisSLOT（recordPlay（）））;
????connect（save?SIGNAL（clicked（））?thisSLOT（recordSave（）））;
}

AudioRecorder::~AudioRecorder（）
{

}

void?AudioRecorder::recordStart（）
{
????outputFile->open（QIODevice::WriteOnly?|?QIODevice::Truncate）;
????audioInput?=?new?QAudioInput（format?this）;
????audioInput->start（outputFile）;
????debugInfo->append（tr（“start?record!“））;????
????start->setDisabled（true）;
????stop->setDisabled（false）;
????play-

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????6998??2010-08-26?11:49??audioRecorder\audiorecorder.cpp

?????文件????????818??2010-08-26?11:30??audioRecorder\audiorecorder.h

?????文件????????578??2010-08-26?17:08??audioRecorder\audioRecorder.pro

?????文件??????14336??2014-07-05?09:51??audioRecorder\audioRecorder.pro.user

?????文件????????255??2010-08-24?15:41??audioRecorder\main.cpp

?????目錄??????????0??2014-07-05?09:52??audioRecorder

-----------?---------??----------?-----??----

????????????????22985????????????????????6