mirror of https://github.com/tp4a/teleport
359 lines
12 KiB
C++
359 lines
12 KiB
C++
#include <QCoreApplication>
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#include <QDateTime>
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#include <QDebug>
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#include "thr_play.h"
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#include "thr_data.h"
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#include "record_format.h"
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#include "util.h"
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/*
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* 录像播放流程：
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* - 数据处理线程，该线程负责（下载）文件、解析文件，将数据准备成待播放队列；
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* + 数据处理线程维护待播放队列，少于500个则填充至1000个，每20ms检查一次队列是否少于500个。
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* - 播放线程从队列中取出一个数据，判断当前时间是否应该播放此数据，如果应该，则将此数据发送给主UI
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* + if( 播放速率 * (当前时间 - 播放时间) >= (当前数据包偏移时间 - 上个数据包偏移时间)) 则 播放
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* + 如选择“跳过无操作时间”，则数据包偏移时间差超过3秒的，视为3秒。
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*/
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ThrPlay::ThrPlay() {
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m_need_stop = false;
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m_need_pause = false;
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m_speed = 2;
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// m_res = res;
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// m_thr_data = nullptr;
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}
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ThrPlay::~ThrPlay() {
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stop();
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}
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void ThrPlay::stop() {
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if(!isRunning())
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return;
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// warning: never call stop() inside thread::run() loop.
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m_need_stop = true;
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wait();
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qDebug() << "play-thread end.";
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// if(m_thr_data) {
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// m_thr_data->stop();
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// qDebug("delete thrData.");
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// //m_thr_download->wait();
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// delete m_thr_data;
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// m_thr_data = nullptr;
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// }
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}
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void ThrPlay::_notify_message(const QString& msg) {
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UpdateData* _msg = new UpdateData(TYPE_MESSAGE);
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_msg->message(msg);
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emit signal_update_data(_msg);
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}
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void ThrPlay::_notify_error(const QString& msg) {
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UpdateData* _msg = new UpdateData(TYPE_ERROR);
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_msg->message(msg);
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emit signal_update_data(_msg);
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}
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void ThrPlay::run() {
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// http://127.0.0.1:7190/tp_1491560510_ca67fceb75a78c9d/211
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// E:\work\tp4a\teleport\server\share\replay\rdp\000000211
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//#ifdef __APPLE__
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// QString currentPath = QStandardPaths::writableLocation(QStandardPaths::DesktopLocation);
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// currentPath += "/tp-testdata/";
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//#else
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// QString currentPath = QCoreApplication::applicationDirPath() + "/testdata/";
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//#endif
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// /Users/apex/Library/Preferences/tp-player
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// qDebug() << "appdata:" << QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation);
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// /private/var/folders/_3/zggrxjdx1lxcdqnfsbgpcwzh0000gn/T
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//qDebug() << "tmp:" << QStandardPaths::writableLocation(QStandardPaths::TempLocation);
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// m_thr_data = new ThrData(this, m_res);
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// m_thr_data->start();
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// "正在准备录像数据，请稍候..."
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// _notify_message(LOCAL8BIT("正在准备录像数据，请稍候..."));
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#if 0
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// base of data path (include the .tpr file)
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QString path_base;
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QString _tmp_res = m_res.toLower();
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if(_tmp_res.startsWith("http")) {
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qDebug() << "DOWNLOAD";
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m_need_download = true;
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// "正在缓存录像数据，请稍候..."
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_notify_message("正在缓存录像数据，请稍候...");
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m_thr_data = new ThreadDownload(m_res);
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m_thr_data->start();
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QString msg;
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for(;;) {
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msleep(500);
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if(m_need_stop)
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return;
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if(!m_thr_data->prepare(path_base, msg)) {
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msg.sprintf("指定的文件或目录不存在！\n\n%s", _tmp_res.toStdString().c_str());
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_notify_error(msg);
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return;
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}
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if(path_base.length())
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break;
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}
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}
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else {
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{
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QFileInfo fi(m_res);
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if(fi.isSymLink())
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_tmp_res = fi.symLinkTarget();
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else
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_tmp_res = m_res;
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}
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QFileInfo fi(_tmp_res);
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if(!fi.exists()) {
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QString msg;
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msg.sprintf("指定的文件或目录不存在！\n\n%s", _tmp_res.toStdString().c_str());
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_notify_error(msg);
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return;
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}
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if(fi.isFile()) {
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path_base = fi.path();
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}
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else if(fi.isDir()) {
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path_base = m_res;
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}
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path_base += "/";
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}
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qint64 read_len = 0;
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uint32_t total_pkg = 0;
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uint32_t total_ms = 0;
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uint32_t file_count = 0;
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//======================================
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// 加载录像基本信息数据
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//======================================
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QString tpr_filename(path_base);
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tpr_filename += "tp-rdp.tpr";
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QFile f_hdr(tpr_filename);
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if(!f_hdr.open(QFile::ReadOnly)) {
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qDebug() << "Can not open " << tpr_filename << " for read.";
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QString msg;
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msg.sprintf("无法打开录像信息文件！\n\n%s", tpr_filename.toStdString().c_str());
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_notify_error(msg);
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return;
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}
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else {
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UpdateData* dat = new UpdateData(TYPE_HEADER_INFO);
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dat->alloc_data(sizeof(TS_RECORD_HEADER));
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read_len = f_hdr.read((char*)(dat->data_buf()), dat->data_len());
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if(read_len != sizeof(TS_RECORD_HEADER)) {
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delete dat;
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qDebug() << "invaid .tpr file.";
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QString msg;
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msg.sprintf("错误的录像信息文件！\n\n%s", tpr_filename.toStdString().c_str());
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_notify_error(msg);
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return;
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}
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TS_RECORD_HEADER* hdr = (TS_RECORD_HEADER*)dat->data_buf();
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if(hdr->info.ver != 4) {
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delete dat;
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qDebug() << "invaid .tpr file.";
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QString msg;
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msg.sprintf("不支持的录像文件版本 %d！\n\n此播放器支持录像文件版本 4。", hdr->info.ver);
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_notify_error(msg);
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return;
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}
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if(hdr->basic.width == 0 || hdr->basic.height == 0) {
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_notify_error("错误的录像信息，未记录窗口尺寸！");
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return;
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}
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if(hdr->info.dat_file_count == 0) {
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_notify_error("错误的录像信息，未记录数据文件数量！");
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return;
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}
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total_pkg = hdr->info.packages;
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total_ms = hdr->info.time_ms;
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file_count = hdr->info.dat_file_count;
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emit signal_update_data(dat);
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}
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//======================================
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// 加载录像文件数据并播放
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//======================================
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uint32_t pkg_count = 0;
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uint32_t time_pass = 0;
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uint32_t time_last_pass = 0;
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qint64 time_begin = QDateTime::currentMSecsSinceEpoch();
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QString msg;
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for(uint32_t fidx = 0; fidx < file_count; ++fidx) {
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if(m_need_stop) {
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qDebug() << "stop, user cancel 1.";
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break;
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}
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QString tpd_filename;
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tpd_filename.sprintf("%stp-rdp-%d.tpd", path_base.toStdString().c_str(), fidx+1);
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// // for test.
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// msg = QString::fromLocal8Bit("无法打开录像数据文件！\n\n");
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// //msg.sprintf("无法打开录像数据文件！\n\n%s", tpd_filename.toStdString().c_str());
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// msg += tpd_filename.toStdString().c_str();
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// _notify_message(msg);
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QFile f_dat(tpd_filename);
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if(!f_dat.open(QFile::ReadOnly)) {
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qDebug() << "Can not open " << tpd_filename << " for read.";
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// msg.sprintf("无法打开录像数据文件！\n\n%s", tpd_filename.toStdString().c_str());
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msg = QString::fromLocal8Bit("无法打开录像数据文件！\n\n");
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msg += tpd_filename.toStdString().c_str();
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_notify_error(msg);
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return;
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}
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for(;;) {
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if(m_need_stop) {
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qDebug() << "stop, user cancel 2.";
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break;
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}
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if(m_need_pause) {
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msleep(50);
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time_begin += 50;
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continue;
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}
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TS_RECORD_PKG pkg;
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read_len = f_dat.read((char*)(&pkg), sizeof(pkg));
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if(read_len == 0)
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break;
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if(read_len != sizeof(TS_RECORD_PKG)) {
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qDebug() << "invaid .tpd file (1).";
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// msg.sprintf("错误的录像数据文件！\n\n%s", tpd_filename.toStdString().c_str());
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msg = QString::fromLocal8Bit("错误的录像数据文件！\n\n");
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msg += tpd_filename.toStdString().c_str();
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_notify_error(msg);
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return;
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}
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if(pkg.type == TS_RECORD_TYPE_RDP_KEYFRAME) {
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qDebug("----key frame: %d", pkg.time_ms);
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}
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UpdateData* dat = new UpdateData(TYPE_DATA);
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dat->alloc_data(sizeof(TS_RECORD_PKG) + pkg.size);
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memcpy(dat->data_buf(), &pkg, sizeof(TS_RECORD_PKG));
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read_len = f_dat.read((char*)(dat->data_buf()+sizeof(TS_RECORD_PKG)), pkg.size);
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if(read_len != pkg.size) {
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delete dat;
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qDebug() << "invaid .tpd file.";
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// msg.sprintf("错误的录像数据文件！\n\n%s", tpd_filename.toStdString().c_str());
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msg = QString::fromLocal8Bit("错误的录像数据文件！\n\n");
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msg += tpd_filename.toStdString().c_str();
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_notify_error(msg);
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return;
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}
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pkg_count++;
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time_pass = (uint32_t)(QDateTime::currentMSecsSinceEpoch() - time_begin) * m_speed;
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if(time_pass > total_ms)
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time_pass = total_ms;
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if(time_pass - time_last_pass > 200) {
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UpdateData* _passed_ms = new UpdateData(TYPE_PLAYED_MS);
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_passed_ms->played_ms(time_pass);
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emit signal_update_data(_passed_ms);
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time_last_pass = time_pass;
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}
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if(time_pass >= pkg.time_ms) {
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emit signal_update_data(dat);
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continue;
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}
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// 需要等待
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uint32_t time_wait = pkg.time_ms - time_pass;
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uint32_t wait_this_time = 0;
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for(;;) {
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if(m_need_pause) {
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msleep(50);
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time_begin += 50;
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continue;
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}
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wait_this_time = time_wait;
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if(wait_this_time > 10)
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wait_this_time = 10;
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if(m_need_stop) {
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qDebug() << "stop, user cancel (2).";
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break;
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}
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msleep(wait_this_time);
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uint32_t _time_pass = (uint32_t)(QDateTime::currentMSecsSinceEpoch() - time_begin) * m_speed;
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if(_time_pass > total_ms)
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_time_pass = total_ms;
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if(_time_pass - time_last_pass > 200) {
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UpdateData* _passed_ms = new UpdateData(TYPE_PLAYED_MS);
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_passed_ms->played_ms(_time_pass);
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emit signal_update_data(_passed_ms);
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time_last_pass = _time_pass;
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}
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time_wait -= wait_this_time;
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if(time_wait == 0) {
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emit signal_update_data(dat);
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break;
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}
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}
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}
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}
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if(pkg_count < total_pkg) {
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qDebug() << "total-pkg:" << total_pkg << ", played:" << pkg_count;
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// msg.sprintf("录像数据文件有误！\n\n部分录像数据缺失！");
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msg = QString::fromLocal8Bit("录像数据文件有误！\n\n部分录像数据缺失！");
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_notify_message(msg);
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}
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#endif
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qDebug("play end.");
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UpdateData* _end = new UpdateData(TYPE_END);
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emit signal_update_data(_end);
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}
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