void PCMPlayer::timerEvent(QTimerEvent *)
{
if (isPaused)
{
return;
}
if (pcmPlayerState == ePcmPlayer_pausingState)
{
audioOutput->suspend();
}
if (pcmPlayerState == ePcmPlayer_playingState)
{
audioOutput->resume();
}
if (pcmPlayerState == ePcmPlayer_stopingState)
{
PCMPlayerDebug("stoping!");
audioOutput->stop();
PCMPlayerDebug("stoping finished!");
}
if (dataQueue->isQueueEmpty() && audioOutput->state() == QAudio::IdleState)
{
return;
}
qint64 dataFree = audioOutput->bytesFree();
if (dataFree >= dataQueue->getCurrentBufferSize()
&& !dataQueue->isQueueEmpty())
{
QByteArray disposeData = dataQueue->dequeue();
//soundTrack dispose and volume dispose
disposeData = disposeSoundTrack(disposeData);
disposeData = disposeVolume(disposeData);
qint64 writeSize = audioOutputIODevice->write(disposeData);
writeTotalSize += writeSize;
emit onBufferUsed();
// int *a = 0;
// *a = 1;
}
float musicTime = getMusicTime();
PCMPlayerDebug("musicTime is: %f", musicTime);
emit onMusicTime(musicTime);
}
//加载歌曲列表
void LoadMusicThread::loadMusicList( const QString &filePath )
{
//序号
QTableWidgetItem *rowItem = new QTableWidgetItem;
rowItem->setTextAlignment(Qt::AlignCenter);
rowItem->setFont(QFont("微软雅黑", 10));
//歌曲
QString fileName = QFileInfo(filePath).baseName();
QTableWidgetItem *fileNameItem = new QTableWidgetItem(fileName);
fileNameItem->setTextAlignment(Qt::AlignCenter);
fileNameItem->setFont(QFont("微软雅黑", 10));
//时间
WCHAR wFilePath[MAX_PATH];
astr_ustr(const_cast<char*>(filePath.toStdString().c_str()), wFilePath);
unsigned long nMusicTime = getMusicTime(wFilePath);
QTime time(0, nMusicTime / 60, nMusicTime % 60);
QTableWidgetItem *timeItem = new QTableWidgetItem(time.toString("mm:ss"));
timeItem->setTextAlignment(Qt::AlignCenter);
timeItem->setFont(QFont("微软雅黑", 10));
//插入播放列表
int currentRows = m_TableWidget->rowCount();//返回列表中的行数
m_TableWidget->insertRow(currentRows);//从播放列表中的当前行插入
rowItem->setText(QString::number(currentRows + 1));
m_TableWidget->setItem(currentRows, 0, rowItem);
m_TableWidget->setItem(currentRows, 1, fileNameItem);
m_TableWidget->setItem(currentRows, 2, timeItem);
//更改时间列间隔
if (currentRows + 1 <= 12)
{
m_TableWidget->horizontalHeader()->resizeSection(3, 80);
}
else
{
m_TableWidget->horizontalHeader()->resizeSection(3, 65);
}
//将音乐信息加入vector
m_mapMusicRows->insert(make_pair(fileName, currentRows));
m_mapMusicFilePath->insert(make_pair(fileName, filePath));
//放入数据库
DBModule::insertLine(fileName, time.toString("mm:ss"), filePath);
}
