108 lines
3.4 KiB
C++
108 lines
3.4 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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#include "advancedvideodialog.h"
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#include <QDialogButtonBox>
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#include <QGridLayout>
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#include <QLabel>
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#include <QComboBox>
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#include <QDebug>
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extern "C" {
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#include <libavcodec/avcodec.h>
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#include <libavutil/pixdesc.h>
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}
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AdvancedVideoDialog::AdvancedVideoDialog(QWidget *parent,
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AVCodecID encoding_codec,
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VideoCodecParams &iparams) :
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QDialog(parent),
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params_(iparams)
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{
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setWindowTitle(tr("Advanced Video Settings"));
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// use variable for row to assist adding new fields to the grid layout
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int row = 0;
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// get encoder information for this codec from FFmpeg
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AVCodec* codec_info = avcodec_find_encoder(static_cast<AVCodecID>(encoding_codec));
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// set up grid layout for dialog
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QGridLayout* layout = new QGridLayout(this);
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// create row for codec pixel formats
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layout->addWidget(new QLabel(tr("Pixel Format:")), row, 0);
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pix_fmt_combo_ = new QComboBox();
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// loop through available pixel formats for this codec
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int pix_fmt_index = 0;
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while (codec_info->pix_fmts[pix_fmt_index] != -1) { // AVCodec->pix_fmts is terminated by "-1"
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// get the name of the pixel format and add it to the combobox (with the pixel format constant)
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pix_fmt_combo_->addItem(av_get_pix_fmt_name(codec_info->pix_fmts[pix_fmt_index]),
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codec_info->pix_fmts[pix_fmt_index]);
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// if the user has already selected a pixel format, set the combobox to it as well
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if (codec_info->pix_fmts[pix_fmt_index] == params_.pix_fmt) {
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pix_fmt_combo_->setCurrentIndex(pix_fmt_combo_->count()-1);
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}
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pix_fmt_index++;
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}
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layout->addWidget(pix_fmt_combo_, row, 1);
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row++;
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// create row for multithreading thread count
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layout->addWidget(new QLabel(tr("Threads:")), row, 0);
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thread_spinbox_ = new QSpinBox();
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// with the thread count, "0" is considered automatics
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thread_spinbox_->setMinimum(0);
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thread_spinbox_->setSpecialValueText("Auto");
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// load current thread value
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thread_spinbox_->setValue(params_.threads);
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layout->addWidget(thread_spinbox_);
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row++;
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// buttons
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QDialogButtonBox* buttons = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
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buttons->setCenterButtons(true);
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connect(buttons, SIGNAL(accepted()), this, SLOT(accept()));
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connect(buttons, SIGNAL(rejected()), this, SLOT(reject()));
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layout->addWidget(buttons, row, 0, 1, 2);
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}
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void AdvancedVideoDialog::accept() {
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// store settings back into struct
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params_.pix_fmt = pix_fmt_combo_->currentData().toInt();
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params_.threads = thread_spinbox_->value();
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QDialog::accept();
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}
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