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PayloadAPP/Src/Video/ffmpegvideodlg.cpp

192 lines
5.6 KiB
C++

#include "ffmpegvideodlg.h"
#include "ui_ffmpegvideodlg.h"
#include <QMessageBox>
ffmpegvideoDlg::ffmpegvideoDlg(QWidget *parent)
: QWidget(parent), ui(new Ui::ffmpegvideoDlg) {
ui->setupUi(this);
ffmpegPushStream = nullptr;
pushStreamThread = nullptr;
// iniWindow();
m_flowType = "";
}
ffmpegvideoDlg::~ffmpegvideoDlg() {
stop();
if (!ffmpeg)
ffmpeg->deleteLater();
delete ui;
if (ffmpegPushStream != nullptr)
ffmpegPushStream->deleteLater();
if (pushStreamThread != nullptr) {
pushStreamThread->quit();
pushStreamThread->wait();
pushStreamThread->deleteLater();
}
}
void ffmpegvideoDlg::setVedioSaveFileDirPath(QString saveDirPath) {
videoSaveDirPath = saveDirPath;
}
/**
* @brief ffmpegvideoDlg::play
* @param url 拉流地址
*/
void ffmpegvideoDlg::play(QString url) {
if (!m_PlayStatus) {
m_PlayStatus = true;
ffmpeg = new Cffmpeg_decode;
ffmpeg->setSaveFileDirPath(videoSaveDirPath);
ffmpeg->setStreamUrl(url); // 设置拉流URL
ffmpeg->IsstopPlay = false;
ffmpeg->setPlayVideo(this->m_bVideoPlayFlag); // 设置是否播放视频
ffmpeg->setFlowType(m_flowType);
ffmpeg->moveToThread(&workerThread);
connect(&workerThread, &QThread::finished, ffmpeg,
&QObject::deleteLater); // 线程发送结束标志
connect(this, &ffmpegvideoDlg::operate, ffmpeg,
&Cffmpeg_decode::run); // 线程开始处理数据
// connect(this, &ffmpegvideoDlg::setUrlSign, ffmpeg,
// &Cffmpeg_decode::setUrl); // 设置URL
connect(ffmpeg, SIGNAL(sendQImage(QImage)), this,
SLOT(receiveQImage(QImage))); // 发送解析的图片
connect(ffmpeg, SIGNAL(sendConnectFail(int)), this,
SLOT(showMessagBox(int))); // 发送错误信息提示
workerThread.start();
emit this->operate(); // 启用线程信号,开始拉流
}
}
/**
* @brief 停止拉流
*/
void ffmpegvideoDlg::stop() {
if (m_PlayStatus) {
ffmpeg->stopPull();
ffmpeg->stop();
m_PlayStatus = false;
ffmpeg->IsstopPlay = true; // 线程结束标志
workerThread.quit(); // 线程退出时自动delete线程里的类
workerThread.wait();
img.fill(Qt::black);
}
}
// 绘图事件
void ffmpegvideoDlg::paintEvent(QPaintEvent *) {
QPainter painter(this);
// 开启抗锯齿
painter.setRenderHint(QPainter::Antialiasing, true);
painter.drawImage(m_ax, m_ay, img);
}
// 区域大小改变事件
void ffmpegvideoDlg::resizeEvent(QResizeEvent *event) {
// 区域1920*1080自适应
double VideoAreaHeight = this->height();
double VideoAreaWidth = this->width();
// 高度值相对比较大
if (VideoAreaHeight * 16 > VideoAreaWidth * 9) {
m_setVideoAreaWidth = VideoAreaWidth;
m_setVideoAreaHeight = VideoAreaWidth * 9 / 16;
m_ax = 0;
m_ay = 0.5 * (VideoAreaHeight - m_setVideoAreaHeight);
}
// 宽度值相对比较大
else {
m_setVideoAreaHeight = VideoAreaHeight;
m_setVideoAreaWidth = VideoAreaHeight * 16 / 9;
m_ax = 0.5 * (VideoAreaWidth - m_setVideoAreaWidth);
m_ay = 0;
}
}
void ffmpegvideoDlg::receiveQImage(const QImage &rImg) {
// img = rImg.scaled(this->size());
QSize imgsize(m_setVideoAreaWidth, m_setVideoAreaHeight);
// 使用平滑缩放模式来减少图像模糊
img = rImg.scaled(imgsize, Qt::KeepAspectRatio, Qt::SmoothTransformation);
update();
}
// 显示不同提示消息
void ffmpegvideoDlg::showMessagBox(int type) {
switch (type) {
case 1:
QMessageBox::information(NULL, tr("提示"), "获取视频失败", QMessageBox::Ok);
break;
default:
break;
}
}
bool ffmpegvideoDlg::Isplay(bool IsstopPlay) {
return ffmpeg->IsstopPlay = IsstopPlay;
}
/**
* @brief 设置拉流地址
* @param streamURL
*/
void ffmpegvideoDlg::setStreamIP(QString streamURL) { m_streamIP = streamURL; }
// 设置推流地址
void ffmpegvideoDlg::setPushStreamIP(QString pushStreamURL) {
m_pushStreamIP = pushStreamURL;
}
// 开始推流
void ffmpegvideoDlg::setPushStream(bool bPush) {
this->m_bPushStreamFlag = bPush;
if (this->m_bPushStreamFlag) {
this->play(m_streamIP);
// QThread::msleep(500);
// 创建推流任务对象
if (ffmpegPushStream == nullptr) {
ffmpegPushStream = new FFmpegPushStream;
ffmpegPushStream->setRemoteIP(m_pushStreamIP); // 设置推流地址
}
// 推流线程开启
if (pushStreamThread == nullptr) {
pushStreamThread = new QThread;
pushStreamThread->start();
ffmpegPushStream->moveToThread(pushStreamThread);
}
if (ffmpeg) {
connect(ffmpeg, &Cffmpeg_decode::sendInitPushStream_Signal,
ffmpegPushStream, &FFmpegPushStream::openNetworkStream,
Qt::UniqueConnection);
connect(ffmpeg, &Cffmpeg_decode::sendStreamData_Signal, ffmpegPushStream,
&FFmpegPushStream::pushStream, Qt::UniqueConnection);
connect(ffmpeg, &Cffmpeg_decode::sendStopPushStream_Signal,
ffmpegPushStream, &FFmpegPushStream::stopPush,
Qt::UniqueConnection);
// ffmpeg->bPushStreamFlag = true;
}
// qDebug() << "video threadID:" << QThread::currentThreadId();
ffmpeg->setPushStream(true);
} else { // 停止推流
ffmpeg->setPushStream(false);
if (!this->m_bVideoPlayFlag && !this->m_bPushStreamFlag)
this->stop();
}
}
/**
* @brief 视频播放
* @param bPlay: 是否播放
*/
void ffmpegvideoDlg::setPlayVideo(bool bPlay) {
if (m_PlayStatus && ffmpeg) {
// emit startPlayVideoSignal(bPlay);
ffmpeg->setPlayVideo(bPlay);
}
m_bVideoPlayFlag = bPlay;
if (!m_streamIP.isEmpty())
this->play(m_streamIP);
if (!this->m_bVideoPlayFlag && !this->m_bPushStreamFlag)
this->stop();
}