276 lines
8.7 KiB
C++
276 lines
8.7 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2020 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 <QDir>
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#include <QFileInfo>
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#include "config/config.h"
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#include "core.h"
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#include "project/item/footage/footage.h"
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#include "widget/nodeview/nodeviewundo.h"
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namespace olive {
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ProjectImportTask::ProjectImportTask(ProjectViewModel *model, Folder *folder, const QStringList &filenames) :
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command_(nullptr),
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model_(model),
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folder_(folder)
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{
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foreach (const QString& f, filenames) {
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filenames_.append(f);
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}
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file_count_ = Core::CountFilesInFileList(filenames_);
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SetTitle(tr("Importing %1 file(s)").arg(file_count_));
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}
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const int &ProjectImportTask::GetFileCount() const
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{
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return file_count_;
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}
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bool ProjectImportTask::Run()
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{
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command_ = new MultiUndoCommand();
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int imported = 0;
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Import(folder_, filenames_, imported, command_);
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if (IsCancelled()) {
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delete command_;
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command_ = nullptr;
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return false;
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} else {
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return true;
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}
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}
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void ProjectImportTask::Import(Folder *folder, QFileInfoList import, int &counter, MultiUndoCommand* parent_command)
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{
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for (int i=0; i<import.size(); i++) {
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if (IsCancelled()) {
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break;
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}
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const QFileInfo& file_info = import.at(i);
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// Check if this file is a directory
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if (file_info.isDir()) {
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// QDir::entryList only returns filenames, we can use entryInfoList() to get full paths
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QFileInfoList entry_list = QDir(file_info.absoluteFilePath()).entryInfoList();
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// Strip out "." and ".." (for some reason QDir::NoDotAndDotDot doesn't work with entryInfoList, so we have to
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// check manually)
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for (int j=0;j<entry_list.size();j++) {
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if (entry_list.at(j).fileName() == QStringLiteral(".")
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|| entry_list.at(j).fileName() == QStringLiteral("..")) {
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entry_list.removeAt(j);
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j--;
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}
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}
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// Only proceed if the empty actually has files in it
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if (!entry_list.isEmpty()) {
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// Create a folder corresponding to the directory
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Folder* f = new Folder();
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f->moveToThread(folder->thread());
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f->SetLabel(file_info.fileName());
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// Create undoable command that adds the items to the model
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parent_command->add_child(new NodeAddCommand(folder->parent(), f));
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parent_command->add_child(new FolderAddChild(folder, f));
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// Recursively follow this path
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Import(f, entry_list, counter, parent_command);
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}
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} else {
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Footage* footage = new Footage(file_info.absoluteFilePath());
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footage->SetLabel(file_info.fileName());
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if (footage->IsValid()) {
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// Move footage to main thread
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footage->moveToThread(folder->thread());
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// See if this footage is an image sequence
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ValidateImageSequence(footage, import, i);
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// Create undoable command that adds the items to the model
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parent_command->add_child(new NodeAddCommand(folder->parent(), footage));
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parent_command->add_child(new FolderAddChild(folder, footage));
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} else {
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// Add to list so we can tell the user about it later
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invalid_files_.append(file_info.absoluteFilePath());
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delete footage;
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}
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counter++;
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emit ProgressChanged(static_cast<double>(counter) / static_cast<double>(file_count_));
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}
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}
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}
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void ProjectImportTask::ValidateImageSequence(Footage *footage, QFileInfoList& info_list, int index)
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{
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// Heuristically determine whether this file is part of an image sequence or not
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//
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// By this point we've established that video contains a single still image stream. Now we'll
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// see if it ends with numbers.
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if (Decoder::GetImageSequenceDigitCount(footage->filename()) > 0
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&& !image_sequence_ignore_files_.contains(footage->filename())) {
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VideoParams video_stream = footage->GetVideoParams(0);
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QSize dim(video_stream.width(), video_stream.height());
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int64_t ind = Decoder::GetImageSequenceIndex(footage->filename());
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// Check if files around exist around it with that follow a sequence
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QString previous_img_fn = Decoder::TransformImageSequenceFileName(footage->filename(), ind - 1);
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QString next_img_fn = Decoder::TransformImageSequenceFileName(footage->filename(), ind + 1);
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// See if the same decoder can retrieve surrounding files
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DecoderPtr decoder = Decoder::CreateFromID(footage->decoder());
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Footage* previous_file = new Footage(previous_img_fn);
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Footage* next_file = new Footage(next_img_fn);
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// Finally see if these files have the same dimensions
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if ((previous_file->IsValid() && CompareStillImageSize(previous_file, dim))
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|| (next_file->IsValid() && CompareStillImageSize(next_file, dim))) {
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// By this point, we've established this file is a still image with a number at the end of
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// the filename surrounded by adjacent numbers. It could be a still image! But let's ask the
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// user just in case...
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bool is_sequence;
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QMetaObject::invokeMethod(Core::instance(),
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"ConfirmImageSequence",
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Qt::BlockingQueuedConnection,
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Q_RETURN_ARG(bool, is_sequence),
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Q_ARG(QString, footage->filename()));
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int64_t seq_index = Decoder::GetImageSequenceIndex(footage->filename());
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// Heuristic to find the first and last images (users can always override this later in
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// FootagePropertiesDialog)
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int64_t start_index = GetImageSequenceLimit(footage->filename(), seq_index, false);
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int64_t end_index = GetImageSequenceLimit(footage->filename(), seq_index, true);
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// Depending on the user's choice, either remove them from the list or don't ask for the
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// remainders
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for (int64_t j=start_index; j<=end_index; j++) {
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QString entry_fn = Decoder::TransformImageSequenceFileName(footage->filename(), j);
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if (is_sequence) {
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// If this is part of the sequence we're importing here, remove it
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for (int i=index+1; i<info_list.size(); i++) {
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if (info_list.at(i).absoluteFilePath() == entry_fn) {
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if (is_sequence) {
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info_list.removeAt(i);
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}
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break;
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}
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}
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} else {
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image_sequence_ignore_files_.append(entry_fn);
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}
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}
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if (is_sequence) {
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// User has confirmed it is a still image, let's set it accordingly.
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video_stream.set_video_type(VideoParams::kVideoTypeImageSequence);
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rational default_timebase = Config::Current()[QStringLiteral("DefaultSequenceFrameRate")].value<rational>();
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video_stream.set_time_base(default_timebase);
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video_stream.set_frame_rate(default_timebase.flipped());
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video_stream.set_start_time(start_index);
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video_stream.set_duration(end_index - start_index + 1);
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footage->SetVideoParams(0, video_stream);
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}
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}
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delete previous_file;
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delete next_file;
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}
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}
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bool ProjectImportTask::ItemIsStillImageFootageOnly(Footage* footage)
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{
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if (footage->GetTotalStreamCount() != 1) {
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// Footage with more than one stream (usually video+audio) most likely isn't an image sequence
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return false;
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}
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VideoParams vp = footage->GetVideoParams(0);
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// Footage must be valid and video stream must be a still image to be an image sequence
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return vp.is_valid() && vp.video_type() == VideoParams::kVideoTypeStill;
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}
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bool ProjectImportTask::CompareStillImageSize(Footage* footage, const QSize &sz)
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{
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if (!ItemIsStillImageFootageOnly(footage)) {
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return false;
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}
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VideoParams stream = footage->GetVideoParams(0);
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return stream.width() == sz.width() && stream.height() == sz.height();
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}
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int64_t ProjectImportTask::GetImageSequenceLimit(const QString& start_fn, int64_t start, bool up)
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{
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QString test_filename;
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int test_index;
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forever {
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if (up) {
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test_index = start + 1;
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} else {
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test_index = start - 1;
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}
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test_filename = Decoder::TransformImageSequenceFileName(start_fn, test_index);
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if (!QFileInfo::exists(test_filename)) {
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// Reached end of index
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break;
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}
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start = test_index;
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}
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return start;
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}
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}
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