460 lines
15 KiB
C++
460 lines
15 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2021 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 "import.h"
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#include <QCheckBox>
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#include <QMessageBox>
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#include <QMimeData>
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#include <QToolTip>
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#include "config/config.h"
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#include "common/qtutils.h"
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#include "core.h"
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#include "dialog/sequence/sequence.h"
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#include "node/audio/volume/volume.h"
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#include "node/distort/transform/transformdistortnode.h"
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#include "node/generator/matrix/matrix.h"
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#include "node/math/math/math.h"
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#include "node/project/sequence/sequence.h"
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#include "widget/nodeparamview/nodeparamviewundo.h"
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#include "widget/nodeview/nodeviewundo.h"
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#include "widget/timelinewidget/undo/timelineundopointer.h"
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#include "window/mainwindow/mainwindow.h"
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#include "window/mainwindow/mainwindowundo.h"
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namespace olive {
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ImportTool::ImportTool(TimelineWidget *parent) :
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TimelineTool(parent)
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{
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// Calculate width used for importing to give ghosts a slight lead-in so the ghosts aren't right on the cursor
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import_pre_buffer_ = QtUtils::QFontMetricsWidth(parent->fontMetrics(), "HHHHHHHH");
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}
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void ImportTool::DragEnter(TimelineViewMouseEvent *event)
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{
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QStringList mime_formats = event->GetMimeData()->formats();
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// Listen for MIME data from a ProjectViewModel
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if (mime_formats.contains(QStringLiteral("application/x-oliveprojectitemdata"))) {
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// Data is drag/drop data from a ProjectViewModel
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QByteArray model_data = event->GetMimeData()->data(QStringLiteral("application/x-oliveprojectitemdata"));
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// Use QDataStream to deserialize the data
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QDataStream stream(&model_data, QIODevice::ReadOnly);
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// Variables to deserialize into
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quintptr item_ptr;
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QVector<Track::Reference> enabled_streams;
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// Set drag start position
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drag_start_ = event->GetCoordinates();
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snap_points_.clear();
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while (!stream.atEnd()) {
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stream >> enabled_streams >> item_ptr;
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// Get Item object
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Node* item = reinterpret_cast<Node*>(item_ptr);
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// Check if Item is Footage
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ViewerOutput* f = dynamic_cast<ViewerOutput*>(item);
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if (f && f->GetTotalStreamCount()) {
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// If the Item is Footage, we can create a Ghost from it
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dragged_footage_.append({f, enabled_streams});
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}
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}
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PrepGhosts(drag_start_.GetFrame() - parent()->SceneToTime(import_pre_buffer_),
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drag_start_.GetTrack().index());
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if (parent()->HasGhosts() || !parent()->GetConnectedNode()) {
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event->accept();
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} else {
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event->ignore();
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}
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} else {
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// FIXME: Implement dropping from file
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event->ignore();
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}
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}
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void ImportTool::DragMove(TimelineViewMouseEvent *event)
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{
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if (!dragged_footage_.isEmpty()) {
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if (parent()->HasGhosts()) {
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rational time_movement = event->GetFrame() - drag_start_.GetFrame();
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int track_movement = event->GetTrack().index() - drag_start_.GetTrack().index();
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time_movement = ValidateTimeMovement(time_movement);
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track_movement = ValidateTrackMovement(track_movement, parent()->GetGhostItems());
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// If snapping is enabled, check for snap points
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if (Core::instance()->snapping()) {
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parent()->SnapPoint(snap_points_, &time_movement);
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time_movement = ValidateTimeMovement(time_movement);
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track_movement = ValidateTrackMovement(track_movement, parent()->GetGhostItems());
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}
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rational earliest_ghost = RATIONAL_MAX;
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// Move ghosts to the mouse cursor
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foreach (TimelineViewGhostItem* ghost, parent()->GetGhostItems()) {
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ghost->SetInAdjustment(time_movement);
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ghost->SetOutAdjustment(time_movement);
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ghost->SetTrackAdjustment(track_movement);
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earliest_ghost = qMin(earliest_ghost, ghost->GetAdjustedIn());
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}
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// Generate tooltip (showing earliest in point of imported clip)
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rational tooltip_timebase = parent()->GetTimebaseForTrackType(event->GetTrack().type());
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QString tooltip_text = Timecode::time_to_timecode(earliest_ghost,
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tooltip_timebase,
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Core::instance()->GetTimecodeDisplay());
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// Force tooltip to update (otherwise the tooltip won't move as written in the documentation, and could get in the way
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// of the cursor)
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QToolTip::hideText();
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QToolTip::showText(QCursor::pos(),
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tooltip_text,
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parent());
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}
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event->accept();
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} else {
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event->ignore();
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}
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}
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void ImportTool::DragLeave(QDragLeaveEvent* event)
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{
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if (!dragged_footage_.isEmpty()) {
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parent()->ClearGhosts();
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dragged_footage_.clear();
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event->accept();
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} else {
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event->ignore();
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}
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}
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void ImportTool::DragDrop(TimelineViewMouseEvent *event)
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{
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if (!dragged_footage_.isEmpty()) {
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DropGhosts(event->GetModifiers() & Qt::ControlModifier);
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event->accept();
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} else {
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event->ignore();
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}
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}
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void ImportTool::PlaceAt(const QVector<ViewerOutput *> &footage, const rational &start, bool insert)
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{
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DraggedFootageData refs;
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foreach (ViewerOutput* f, footage) {
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refs.append({f, f->GetEnabledStreamsAsReferences()});
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}
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PlaceAt(refs, start, insert);
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}
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void ImportTool::PlaceAt(const DraggedFootageData &footage, const rational &start, bool insert)
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{
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dragged_footage_ = footage;
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if (dragged_footage_.isEmpty()) {
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return;
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}
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PrepGhosts(start, 0);
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DropGhosts(insert);
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}
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void ImportTool::FootageToGhosts(rational ghost_start, const DraggedFootageData &sorted, const rational& dest_tb, const int& track_start)
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{
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for (auto it=sorted.cbegin(); it!=sorted.cend(); it++) {
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ViewerOutput* footage = it->first;
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if (footage == sequence() || (sequence() && sequence()->OutputsTo(footage, true))) {
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// Prevent cyclical dependency
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continue;
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}
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// Each stream is offset by one track per track "type", we keep track of them in this vector
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QVector<int> track_offsets(Track::kCount);
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track_offsets.fill(track_start);
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rational footage_duration;
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rational ghost_in;
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TimelineWorkArea* wk = footage->GetTimelinePoints()->workarea();
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if (wk->enabled()) {
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footage_duration = wk->length();
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ghost_in = wk->in();
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} else {
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footage_duration = footage->GetLength();
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if (footage_duration.isNull()) {
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// Fallback to still length if legngth was 0
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footage_duration = Config::Current()[QStringLiteral("DefaultStillLength")].value<rational>();
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}
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}
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// Snap footage duration to timebase
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rational snap_mvmt = SnapMovementToTimebase(footage_duration, 0, dest_tb);
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if (!snap_mvmt.isNull()) {
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footage_duration += snap_mvmt;
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}
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// Create ghosts
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foreach (const Track::Reference& ref, it->second) {
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Track::Type track_type = ref.type();
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TimelineViewGhostItem* ghost = new TimelineViewGhostItem();
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ghost->SetIn(ghost_start);
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ghost->SetOut(ghost_start + footage_duration);
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ghost->SetMediaIn(ghost_in);
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ghost->SetTrack(Track::Reference(track_type, track_offsets.at(track_type)));
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snap_points_.append(ghost->GetIn());
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snap_points_.append(ghost->GetOut());
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// Increment track count for this track type
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track_offsets[track_type]++;
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TimelineViewGhostItem::AttachedFootage af = {it->first, ref.ToString()};
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ghost->SetData(TimelineViewGhostItem::kAttachedFootage, QVariant::fromValue(af));
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ghost->SetMode(Timeline::kMove);
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parent()->AddGhost(ghost);
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}
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// Stack each ghost one after the other
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ghost_start += footage_duration;
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}
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}
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void ImportTool::PrepGhosts(const rational& frame, const int& track_index)
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{
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if (parent()->GetConnectedNode()) {
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FootageToGhosts(frame,
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dragged_footage_,
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parent()->GetConnectedNode()->GetVideoParams().time_base(),
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track_index);
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}
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}
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void ImportTool::DropGhosts(bool insert)
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{
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MultiUndoCommand* command = new MultiUndoCommand();
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NodeGraph* dst_graph = nullptr;
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Sequence* sequence = this->sequence();
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bool open_sequence = false;
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if (sequence) {
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dst_graph = sequence->parent();
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} else {
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// There's no active timeline here, ask the user what to do
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DropWithoutSequenceBehavior behavior = static_cast<DropWithoutSequenceBehavior>(Config::Current()["DropWithoutSequenceBehavior"].toInt());
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if (behavior == kDWSAsk) {
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QCheckBox* dont_ask_again_box = new QCheckBox(QCoreApplication::translate("ImportTool", "Don't ask me again"));
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QMessageBox mbox(parent());
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mbox.setIcon(QMessageBox::Question);
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mbox.setWindowTitle(QCoreApplication::translate("ImportTool", "No Active Sequence"));
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mbox.setText(QCoreApplication::translate("ImportTool", "No sequence is currently open. Would you like to create one?"));
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mbox.setCheckBox(dont_ask_again_box);
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QPushButton* auto_params_btn = mbox.addButton(QCoreApplication::translate("ImportTool", "Automatically Detect Parameters From Footage"), QMessageBox::YesRole);
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QPushButton* manual_params_btn = mbox.addButton(QCoreApplication::translate("ImportTool", "Set Parameters Manually"), QMessageBox::NoRole);
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mbox.addButton(QMessageBox::Cancel);
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mbox.exec();
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if (mbox.clickedButton() == auto_params_btn) {
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behavior = kDWSAuto;
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} else if (mbox.clickedButton() == manual_params_btn) {
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behavior = kDWSManual;
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} else {
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behavior = kDWSDisable;
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}
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if (behavior != kDWSDisable && dont_ask_again_box->isChecked()) {
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Config::Current()["DropWithoutSequenceBehavior"] = behavior;
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}
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}
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if (behavior != kDWSDisable) {
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Project* active_project = Core::instance()->GetActiveProject();
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if (active_project) {
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Sequence* new_sequence = Core::instance()->CreateNewSequenceForProject(active_project);
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new_sequence->set_default_parameters();
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bool sequence_is_valid = true;
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// Even if the user selected manual, set from footage anyway so the user has a useful
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// starting point
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QVector<ViewerOutput*> footage_only;
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for (auto it=dragged_footage_.cbegin(); it!=dragged_footage_.cend(); it++) {
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if (!footage_only.contains(it->first)) {
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footage_only.append(it->first);
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}
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}
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new_sequence->set_parameters_from_footage(footage_only);
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// If the user selected manual, show them a dialog with parameters
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if (behavior == kDWSManual) {
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SequenceDialog sd(new_sequence, SequenceDialog::kNew, parent());
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sd.SetUndoable(false);
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if (sd.exec() != QDialog::Accepted) {
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sequence_is_valid = false;
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}
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}
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if (sequence_is_valid) {
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dst_graph = Core::instance()->GetActiveProject();
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command->add_child(new NodeAddCommand(dst_graph, new_sequence));
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command->add_child(new FolderAddChild(Core::instance()->GetSelectedFolderInActiveProject(), new_sequence));
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command->add_child(new NodeSetPositionCommand(new_sequence, new_sequence, QPointF(0, 0), false));
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new_sequence->add_default_nodes(command);
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FootageToGhosts(0, dragged_footage_, new_sequence->GetVideoParams().time_base(), 0);
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sequence = new_sequence;
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// Set this as the sequence to open
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open_sequence = true;
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} else {
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// If the sequence is valid, ownership is passed to AddItemCommand.
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// Otherwise, we're responsible for deleting it.
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delete new_sequence;
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}
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}
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}
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}
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if (dst_graph) {
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QVector<Block*> block_items(parent()->GetGhostItems().size());
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// Check if we're inserting (only valid if we're not creating this sequence ourselves)
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if (insert && !open_sequence) {
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InsertGapsAtGhostDestination(command);
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}
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for (int i=0;i<parent()->GetGhostItems().size();i++) {
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TimelineViewGhostItem* ghost = parent()->GetGhostItems().at(i);
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TimelineViewGhostItem::AttachedFootage footage_stream = ghost->GetData(TimelineViewGhostItem::kAttachedFootage).value<TimelineViewGhostItem::AttachedFootage>();
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ClipBlock* clip = new ClipBlock();
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clip->set_media_in(ghost->GetMediaIn());
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clip->set_length_and_media_out(ghost->GetLength());
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clip->SetLabel(footage_stream.footage->GetLabel());
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command->add_child(new NodeAddCommand(dst_graph, clip));
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// Position clip in its own context
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command->add_child(new NodeSetPositionCommand(clip, clip, QPointF(0, 0), false));
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// Position footage in its context
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command->add_child(new NodeSetPositionCommand(footage_stream.footage, clip, QPointF(-3, 0), false));
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switch (Track::Reference::TypeFromString(footage_stream.output)) {
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case Track::kVideo:
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{
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TransformDistortNode* transform = new TransformDistortNode();
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command->add_child(new NodeAddCommand(dst_graph, transform));
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command->add_child(new NodeSetValueHintCommand(transform, TransformDistortNode::kTextureInput, -1, Node::ValueHint({NodeValue::kTexture}, footage_stream.output)));
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command->add_child(new NodeEdgeAddCommand(footage_stream.footage, NodeInput(transform, TransformDistortNode::kTextureInput)));
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command->add_child(new NodeEdgeAddCommand(transform, NodeInput(clip, ClipBlock::kBufferIn)));
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command->add_child(new NodeSetPositionCommand(transform, clip, QPointF(-2, 0), false));
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break;
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}
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case Track::kAudio:
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{
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VolumeNode* volume_node = new VolumeNode();
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command->add_child(new NodeAddCommand(dst_graph, volume_node));
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command->add_child(new NodeSetValueHintCommand(volume_node, VolumeNode::kSamplesInput, -1, Node::ValueHint({NodeValue::kSamples}, footage_stream.output)));
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command->add_child(new NodeEdgeAddCommand(footage_stream.footage, NodeInput(volume_node, VolumeNode::kSamplesInput)));
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command->add_child(new NodeEdgeAddCommand(volume_node, NodeInput(clip, ClipBlock::kBufferIn)));
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command->add_child(new NodeSetPositionCommand(volume_node, clip, QPointF(-2, 0), false));
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break;
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}
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default:
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break;
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}
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command->add_child(new TrackPlaceBlockCommand(sequence->track_list(ghost->GetAdjustedTrack().type()),
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ghost->GetAdjustedTrack().index(),
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clip,
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ghost->GetAdjustedIn()));
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block_items.replace(i, clip);
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// Link any clips so far that share the same Footage with this one
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for (int j=0;j<i;j++) {
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TimelineViewGhostItem::AttachedFootage footage_compare = parent()->GetGhostItems().at(j)->GetData(TimelineViewGhostItem::kAttachedFootage).value<TimelineViewGhostItem::AttachedFootage>();
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if (footage_compare.footage == footage_stream.footage) {
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Block::Link(block_items.at(j), clip);
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}
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}
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}
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}
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if (open_sequence) {
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command->add_child(new OpenSequenceCommand(sequence));
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}
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Core::instance()->undo_stack()->pushIfHasChildren(command);
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parent()->ClearGhosts();
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dragged_footage_.clear();
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}
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}
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