Add detailed video dialog

Show each and everything ffprobe can extract from a video file and
display it as a tree.

1 files changed, 98 insertions, 0 deletions

diff --git a/filedisplay.cpp b/filedisplay.cpp
index bce77d9..fe832b1 100644
--- a/filedisplay.cpp
+++ b/filedisplay.cpp
@@ -11,13 +11,23 @@
 #include <QPushButton>
 #include <QGroupBox>
 #include <QDir>
+#include <QTreeView>
+#include <QStandardItemModel>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonArray>
+#include <QSettings>
+#include <QHeaderView>
 
 #include "filedisplay.h"
+#include "helper.h"
 
 FileDisplay::FileDisplay(QWidget *parent, Qt::WindowFlags f) : QDialog(parent, f) {
     mTab = new QTabWidget;
     mDBData = new DBData;
+    mFileData = new FileData;
     mTab->addTab(mDBData, tr("Database"));
+    mTab->addTab(mFileData, tr("File"));
 
     //button layout
     QHBoxLayout *buttonL = new QHBoxLayout;
@@ -39,6 +49,7 @@ void FileDisplay::setFileData(const QString &fullPath, const QString &md5Sum) {
     mFullPath = fullPath;
     mMd5 = md5Sum;
     mDBData->setFileData(fullPath, md5Sum);
+    mFileData->setFileData(fullPath);
 }
 
 DBData::DBData(QWidget *parent, Qt::WindowFlags f) : QWidget(parent, f) {
@@ -153,3 +164,90 @@ void DBData::gatherData(){
     QString genresText = genres.join("\n");
     mGenres->setText(genresText);
 }
+
+FileData::FileData(QWidget *parent, Qt::WindowFlags f) : QWidget(parent, f){
+    mView = new QTreeView;
+    mModel = new QStandardItemModel;
+    mView->setModel(mModel);
+    QGroupBox *gb = new QGroupBox(tr("ffprobe Output"));
+    QHBoxLayout *gbLayout = new QHBoxLayout;
+    gbLayout->addWidget(mView);
+    gb->setLayout(gbLayout);
+    QVBoxLayout *mainLayout = new QVBoxLayout;
+    mainLayout->addWidget(gb);
+    setLayout(mainLayout);
+}
+
+FileData::~FileData(){
+    writeHeaderData();
+}
+
+void FileData::setFileData(const QString &fullPath){
+    mModel->clear();
+    mModel->setHorizontalHeaderLabels(QStringList() << tr("Key") << tr("Value"));
+    readHeaderData();
+    QJsonDocument jDoc = Helper::ffpmegData(fullPath);
+    QStandardItem *rootItem = mModel->invisibleRootItem();
+    rootItem->setColumnCount(2);
+    QStandardItem *streamItem = new QStandardItem(tr("Stream"));
+    streamItem->setEditable(false);
+    rootItem->appendRow(streamItem);
+    QStandardItem *formatItem = new QStandardItem(tr("Format"));
+    formatItem->setEditable(false);
+    rootItem->appendRow(formatItem);
+
+    QJsonObject jObject = jDoc.object();
+    FileDataRecursive(jObject.value("format"), formatItem);
+    QJsonArray streams = jObject.value("streams").toArray();
+    for(int i = 0; i < streams.size(); ++i){
+        QString itemName = QString(tr("Stream %1 [%2]")).arg(QString::number(i + 1)).arg(streams.at(i).toObject().value("codec_type").toString());
+        QStandardItem *item = new QStandardItem(itemName);
+        item->setEditable(false);
+        QStandardItem *item2 = new QStandardItem;
+        item2->setEditable(false);
+        streamItem->appendRow(QList<QStandardItem*>() << item << item2);
+        QStandardItem *next = streamItem->child(i, 0);
+        FileDataRecursive(streams.at(i), next);
+    }
+    QModelIndex i1 = mModel->indexFromItem(streamItem);
+    mView->expand(i1);
+    QModelIndex i2 = mModel->indexFromItem(formatItem);
+    mView->expand(i2);
+}
+
+void FileData::FileDataRecursive(QJsonValue start, QStandardItem *appendTo){
+    QJsonObject startObject = start.toObject();
+    QJsonObject::const_iterator it;
+    for(it = startObject.constBegin(); it != startObject.constEnd(); ++it){
+        QVariantList data = QVariantList() << it.key() << it.value().toVariant();
+        if(it.key() == "duration"){
+            qint64 seconds = it.value().toString().toDouble();
+            Helper::Duration dur(seconds);
+            data[1] = dur.toString();
+        }
+        if(it.key() == "bit_rate"){
+            qint64 br = it.value().toString().toInt() / 1000;
+            data[1] = QString("%1 kb/s").arg(QString::number(br));
+        }
+        QStandardItem *key = new QStandardItem(data.at(0).toString());
+        key->setEditable(false);
+        QStandardItem *value = new QStandardItem(data.at(1).toString());
+        value->setEditable(false);
+        appendTo->appendRow(QList<QStandardItem*>() << key << value);
+        QStandardItem *newItem = appendTo->child(0, 0);
+        FileDataRecursive(*it, newItem);
+    }
+}
+
+void FileData::writeHeaderData(){
+    QSettings s;
+    s.setValue("fd/fileheaders", mView->header()->saveState());
+}
+
+void FileData::readHeaderData(){
+    QSettings s;
+    QByteArray headers = s.value("fd/fileheaders").toByteArray();
+    if(!headers.isEmpty()){
+        mView->header()->restoreState(headers);
+    }
+}