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added real CFR support in h264

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This commit is contained in:
itsmattkc
2018-09-20 17:08:52 +10:00
parent 152a2662ec
commit 4e57b1c26d
6 changed files with 159 additions and 112 deletions
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dialogs/exportdialog.cpp
+39 -5
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@@ -84,7 +84,6 @@ ExportDialog::ExportDialog(QWidget *parent) :
ui->widthSpinbox->setValue(sequence->width);
ui->heightSpinbox->setValue(sequence->height);
ui->videobitrateSpinbox->setValue(qMax(0.5, (double) qRound((0.01528 * sequence->height) - 4.5)));
ui->samplingRateSpinbox->setValue(sequence->audio_frequency);
ui->framerateSpinbox->setValue(sequence->frame_rate);
}
@@ -484,7 +483,8 @@ void ExportDialog::on_pushButton_clicked() {
et->video_width = ui->widthSpinbox->value();
et->video_height = ui->heightSpinbox->value();
et->video_frame_rate = ui->framerateSpinbox->value();
et->video_bitrate = ui->videobitrateSpinbox->value();
et->video_compression_type = ui->compressionTypeCombobox->currentData().toInt();
et->video_bitrate = ui->videobitrateSpinbox->value();
}
et->audio_enabled = ui->audioGroupbox->isChecked();
if (et->audio_enabled) {
@@ -517,7 +517,41 @@ void ExportDialog::on_renderCancel_clicked() {
}
void ExportDialog::on_vcodecCombobox_currentIndexChanged(int index) {
bool vbrEnabled = (format_vcodecs.size() > 0 && format_vcodecs.at(index) == AV_CODEC_ID_H264);
ui->compressionTypeCombobox->setEnabled(vbrEnabled);
if (!vbrEnabled) ui->compressionTypeCombobox->setCurrentIndex(0);
ui->compressionTypeCombobox->clear();
if ((format_vcodecs.size() > 0 && format_vcodecs.at(index) == AV_CODEC_ID_H264)) {
ui->compressionTypeCombobox->setEnabled(true);
ui->compressionTypeCombobox->addItem("Quality-based (Constant Rate Factor)", COMPRESSION_TYPE_CFR);
// ui->compressionTypeCombobox->addItem("File size-based (Two-Pass)", COMPRESSION_TYPE_TARGETSIZE);
// ui->compressionTypeCombobox->addItem("Average bitrate (Two-Pass)", COMPRESSION_TYPE_TARGETBR);
} else {
ui->compressionTypeCombobox->addItem("Constant Bitrate", COMPRESSION_TYPE_CBR);
ui->compressionTypeCombobox->setCurrentIndex(0);
ui->compressionTypeCombobox->setEnabled(false);
}
}
void ExportDialog::on_compressionTypeCombobox_currentIndexChanged(int) {
ui->videobitrateSpinbox->setToolTip("");
ui->videobitrateSpinbox->setMinimum(0);
ui->videobitrateSpinbox->setMaximum(99.99);
switch (ui->compressionTypeCombobox->currentData().toInt()) {
case COMPRESSION_TYPE_CBR:
ui->videoBitrateLabel->setText("Bitrate (Mbps):");
ui->videobitrateSpinbox->setValue(qMax(0.5, (double) qRound((0.01528 * sequence->height) - 4.5)));
break;
case COMPRESSION_TYPE_CFR:
ui->videoBitrateLabel->setText("Quality (CRF):");
ui->videobitrateSpinbox->setValue(23);
ui->videobitrateSpinbox->setMaximum(51);
ui->videobitrateSpinbox->setToolTip("Quality Factor:\n\n0 = lossless\n17-18 = visually lossless (compressed, but unnoticeable)\n23 = default, high quality\n51 = lowest quality possible");
break;
case COMPRESSION_TYPE_TARGETSIZE:
ui->videoBitrateLabel->setText("Target File Size (MB):");
ui->videobitrateSpinbox->setValue(100);
break;
case COMPRESSION_TYPE_TARGETBR:
ui->videoBitrateLabel->setText("Target Bitrate (Mbps):");
ui->videobitrateSpinbox->setValue(100);
break;
}
}