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#include?“histogramwidget.h“
#include?

HistogramWidget::HistogramWidget（QWidget?*parent）
????:?QWidget（parent）
?????m_levels（128）
?????m_isBusy（false）
{
????m_processor.moveToThread（&m_processorThread）;
????qRegistermetaType?>（“QVector“）;
????connect（&m_processor?SIGNAL（histogramReady（QVector））?SLOT（setHistogram（QVector）））;
????m_processorThread.start（QThread::LowestPriority）;
}

HistogramWidget::~HistogramWidget（）
{
????m_processorThread.quit（）;
????m_processorThread.wait（10000）;
}

void?HistogramWidget::processframe（QVideoframe?frame）
{
????if?（m_isBusy）
????????return;?//drop?frame

????m_isBusy?=?true;
????Qmetaobject::invokeMethod（&m_processor?“processframe“
??????????????????????????????Qt::QueuedConnection?Q_ARG（QVideoframe?frame）?Q_ARG（int?m_levels））;
}

void?HistogramWidget::setHistogram（QVector?histogram）
{
????m_isBusy?=?false;
????m_histogram?=?histogram;
????update（）;
}

void?HistogramWidget::paintEvent（QPaintEvent?*event）
{
????Q_UNUSED（event）;

????QP

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

?????文件???????5557??2015-06-30?04:53??player\histogramwidget.cpp

?????文件???????2782??2015-06-30?04:53??player\histogramwidget.h

?????文件???????2263??2015-06-30?04:53??player\main.cpp

?????文件??????14809??2015-06-30?04:53??player\player.cpp

?????文件???????3806??2015-06-30?04:53??player\player.h

?????文件????????500??2015-06-30?04:53??player\player.pro

?????文件??????33957??2017-02-03?16:37??player\player.pro.user

?????文件???????6343??2015-06-30?04:53??player\playercontrols.cpp

?????文件???????3157??2015-06-30?04:53??player\playercontrols.h

?????文件???????5241??2015-06-30?04:53??player\playlistmodel.cpp

?????文件???????3145??2015-06-30?04:53??player\playlistmodel.h

?????文件???????2906??2015-06-30?04:53??player\videowidget.cpp

?????文件???????2308??2015-06-30?04:53??player\videowidget.h

?????目錄??????????0??2017-02-03?16:37??player

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

????????????????86774????????????????????14