276 lines
7.2 KiB
C++
276 lines
7.2 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef EXPORTDIALOG_H
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#define EXPORTDIALOG_H
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#include <QDialog>
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#include <QComboBox>
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#include <QSpinBox>
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#include <QDoubleSpinBox>
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#include <QLabel>
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#include <QProgressBar>
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#include <QGroupBox>
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#include "timeline/sequence.h"
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#include "rendering/exportthread.h"
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/**
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* @brief The ExportDialog class
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*
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* The dialog to initiate an export. Requires a valid Sequence to be set in olive::ActiveSequence or the result is
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* defined (most likely a crash), so you should always do a `nullptr` check on olive::ActiveSequence before constructing
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* this dialog.
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*/
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class ExportDialog : public QDialog
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{
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Q_OBJECT
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public:
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/**
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* @brief ExportDialog Constructor
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*
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* @param parent
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*
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* QWidget parent. Usually MainWindow.
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*/
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explicit ExportDialog(QWidget *parent);
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private slots:
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/**
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* @brief Slot for when the user changes the format
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*
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* Used to populate the available codecs list for this format.
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*
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* @param index
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*
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* Current format index (corresponding to enum ExportFormats)
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*/
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void format_changed(int index);
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/**
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* @brief Slot for when the user clicks the Export button
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*
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* Asks the user for the file to save to.
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*/
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void StartExport();
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/**
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* @brief Slot for the export thread to update the progress bar's value
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*
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* @param value
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*
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* An value between 0 - 100. A percentage of the Sequence that has been exported so far.
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*
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* @param remaining_ms
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*
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* The estimated time in milliseconds that it will take to complete the rest of the Sequence.
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*/
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void update_progress_bar(int value, qint64 remaining_ms);
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/**
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* @brief Slot for the export thread completing (both succeeding and failing)
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*
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* Runs whenever the thread has finished. Determines whether the thread succeeded or not (and shows an error message
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* if not), cleans up the ExportThread object, sets the UI state back to normal.
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*
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* Connect to ExportThread::finished().
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*/
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void export_thread_finished();
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/**
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* @brief Slot for when the video codec changes
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*
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* Some video codecs require different settings. In the case of that, this function sorts through those.
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*
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* @param index
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*
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* Current vcodecCombobox index - its item data contains the AVCodecID.
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*/
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void vcodec_changed(int index);
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/**
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* @brief Slot for when the compression type changes
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*
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* Different UI objects should be displayed for different compression types.
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*
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* @param index
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*
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* Unused.
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*/
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void comp_type_changed(int index);
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/**
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* @brief Slot to open the Advanced Video Dialog
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*
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* Opens a dialog for setting more advanced video settings and passes a reference to vcodec_params to it.
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*/
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void open_advanced_video_dialog();
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private:
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/**
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* @brief Function to create UI objects.
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*/
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void setup_ui();
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/**
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* @brief Enables/disables certain UI objects based on the exporting state.
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*
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* Some UI controls don't need to be set while exporting. This function enables/disables them appropriately.
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*
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* @param r
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*
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* TRUE if we're exporting, FALSE if we finished.
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*/
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void prep_ui_for_render(bool r);
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/**
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* @brief Retrieves the human-readable name of an AVCodecID and adds it to a QComboBox
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*
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* Also sets that item's data to the AVCodecID so it can be retrieved directly from the QComboBox.
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*
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* @param box
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*
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* The QComboBox to add the item to.
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*
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* @param codec
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*
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* The codec to add to the QComboBox.
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*/
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void add_codec_to_combobox(QComboBox* box, enum AVCodecID codec);
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/**
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* @brief Internal array of human-readable names corresponding to enum ExportFormats
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*/
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QVector<QString> format_strings;
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/**
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* @brief Pointer to an ExportThread
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*
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* Set when exporting starts, and deleted by export_thread_finished() when the thread is complete.
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*/
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ExportThread* export_thread_;
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/**
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* @brief Struct for advanced video codec parameters.
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*
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* More advanced video encoding parameters to be sent to the ExportThread. These variables are not directly editable
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* in this dialog, instead calling open_advanced_video_dialog() will open an AdvancedVideoDialog for setting these
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* values directly. vcodec_changed() should also set these to the defaults for that codec where appropriate.
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*/
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VideoCodecParams vcodec_params;
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/**
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* @brief ComboBox for selecting the time range of the Sequence to export
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*/
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QComboBox* rangeCombobox;
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/**
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* @brief SpinBox for the exported video's width
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*/
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QSpinBox* widthSpinbox;
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/**
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* @brief SpinBox for the exported video's bitrate
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*/
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QDoubleSpinBox* videobitrateSpinbox;
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/**
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* @brief Label for the exported video's bitrate - changes depending on the compression type
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*/
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QLabel* videoBitrateLabel;
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/**
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* @brief SpinBox for the exported video's frame rate
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*/
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QDoubleSpinBox* framerateSpinbox;
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/**
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* @brief ComboBox for the exported video codec
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*/
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QComboBox* vcodecCombobox;
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/**
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* @brief ComboBox for the exported audio's codec
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*/
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QComboBox* acodecCombobox;
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/**
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* @brief SpinBox for the exported audio's sample rate
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*/
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QSpinBox* samplingRateSpinbox;
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/**
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* @brief SpinBox for the exported audio's bitrate
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*/
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QSpinBox* audiobitrateSpinbox;
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/**
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* @brief Progress bar for visually showing the export progress
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*/
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QProgressBar* progressBar;
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/**
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* @brief ComboBox for the exported video's format
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*/
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QComboBox* formatCombobox;
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/**
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* @brief SpinBox for the exported video's height
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*/
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QSpinBox* heightSpinbox;
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/**
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* @brief Export button to trigger the start of an export
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*/
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QPushButton* export_button;
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/**
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* @brief Dialog cancel button to close this dialog
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*/
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QPushButton* cancel_button;
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/**
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* @brief Cancel button to abort the export before completion
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*/
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QPushButton* renderCancel;
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/**
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* @brief GroupBox containing all video-related UI objects
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*/
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QGroupBox* videoGroupbox;
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/**
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* @brief GroupBox containing all audio-related UI objects
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*/
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QGroupBox* audioGroupbox;
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/**
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* @brief ComboBox for the exported video compression type
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*/
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QComboBox* compressionTypeCombobox;
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/**
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* @brief Time value set when exporting begins to determine the total duration of the export
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*/
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qint64 total_export_time_start;
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};
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#endif // EXPORTDIALOG_H
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