321 lines
9.4 KiB
C++
321 lines
9.4 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 "sequence.h"
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#include <QCoreApplication>
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#include "config/config.h"
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#include "common/channellayout.h"
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#include "common/timecodefunctions.h"
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#include "common/xmlreadloop.h"
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#include "node/factory.h"
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#include "panel/panelmanager.h"
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#include "panel/node/node.h"
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#include "panel/curve/curve.h"
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#include "panel/param/param.h"
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#include "panel/timeline/timeline.h"
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#include "panel/viewer/viewer.h"
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#include "ui/icons/icons.h"
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Sequence::Sequence()
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{
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viewer_output_ = new ViewerOutput();
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viewer_output_->SetCanBeDeleted(false);
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AddNode(viewer_output_);
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}
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void Sequence::Load(QXmlStreamReader *reader, QHash<quintptr, StreamPtr> &, QList<NodeInput::FootageConnection>& footage_connections, const QAtomicInt *cancelled)
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{
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XMLAttributeLoop(reader, attr) {
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if (cancelled && *cancelled) {
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return;
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}
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if (attr.name() == "name") {
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set_name(attr.value().toString());
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// Currently the only thing we care about
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}
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}
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QHash<quintptr, NodeOutput*> output_ptrs;
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QList<NodeParam::SerializedConnection> desired_connections;
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XMLReadLoop(reader, "sequence") {
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if (cancelled && *cancelled) {
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return;
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}
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if (reader->isStartElement()) {
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if (reader->name() == "video") {
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int video_width, video_height;
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rational video_timebase;
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XMLReadLoop(reader, "video") {
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if (cancelled && *cancelled) {
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return;
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}
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if (reader->isStartElement()) {
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if (reader->name() == "width") {
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reader->readNext();
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video_width = reader->text().toInt();
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} else if (reader->name() == "height") {
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reader->readNext();
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video_height = reader->text().toInt();
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} else if (reader->name() == "timebase") {
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reader->readNext();
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video_timebase = rational::fromString(reader->text().toString());
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}
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}
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}
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set_video_params(VideoParams(video_width, video_height, video_timebase));
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} else if (reader->name() == "audio") {
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int rate;
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uint64_t layout;
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XMLReadLoop(reader, "audio") {
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if (reader->isStartElement()) {
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if (reader->name() == "rate") {
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reader->readNext();
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rate = reader->text().toInt();
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} else if (reader->name() == "layout") {
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reader->readNext();
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layout = reader->text().toULongLong();
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}
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}
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}
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set_audio_params(AudioParams(rate, layout));
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} else if (reader->name() == "node" || reader->name() == "viewer") {
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Node* node;
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if (reader->name() == "node") {
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QString node_id;
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XMLAttributeLoop(reader, attr) {
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if (attr.name() == "id") {
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node_id = attr.value().toString();
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// Currently the only thing we need
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break;
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}
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}
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if (node_id.isEmpty()) {
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qDebug() << "Found node with no ID";
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continue;
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}
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node = NodeFactory::CreateFromID(node_id);
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if (!node) {
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qDebug() << "Failed to load" << node_id << "- no node with that ID is installed";
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continue;
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}
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} else {
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node = viewer_output_;
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}
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if (node) {
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node->Load(reader, output_ptrs, desired_connections, footage_connections, cancelled, reader->name().toString());
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AddNode(node);
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}
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}
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}
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}
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// Make connections
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foreach (const NodeParam::SerializedConnection& con, desired_connections) {
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NodeParam::ConnectEdge(output_ptrs.value(con.output),
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con.input);
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}
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// Ensure this and all children are in the main thread
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// (FIXME: Weird place for this? This should probably be in ProjectLoadManager somehow)
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if (thread() != qApp->thread()) {
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moveToThread(qApp->thread());
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}
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}
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void Sequence::Save(QXmlStreamWriter *writer) const
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{
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writer->writeStartElement("sequence");
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writer->writeAttribute("name", name());
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writer->writeStartElement("video");
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writer->writeTextElement("width", QString::number(video_params().width()));
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writer->writeTextElement("height", QString::number(video_params().height()));
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writer->writeTextElement("timebase", video_params().time_base().toString());
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writer->writeEndElement(); // video
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writer->writeStartElement("audio");
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writer->writeTextElement("rate", QString::number(audio_params().sample_rate()));
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writer->writeTextElement("layout", QString::number(audio_params().channel_layout()));
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writer->writeEndElement(); // audio
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foreach (Node* node, nodes()) {
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if (node != viewer_output_) {
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node->Save(writer);
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}
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}
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viewer_output_->Save(writer, "viewer");
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writer->writeEndElement(); // sequence
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}
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void Sequence::Open(Sequence* sequence)
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{
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// FIXME: This is fairly "hardcoded" behavior and doesn't support infinite panels
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ViewerPanel* viewer_panel = PanelManager::instance()->MostRecentlyFocused<ViewerPanel>();
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TimelinePanel* timeline_panel = PanelManager::instance()->MostRecentlyFocused<TimelinePanel>();
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NodePanel* node_panel = PanelManager::instance()->MostRecentlyFocused<NodePanel>();
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viewer_panel->ConnectViewerNode(sequence->viewer_output_);
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timeline_panel->ConnectViewerNode(sequence->viewer_output_);
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node_panel->SetGraph(sequence);
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}
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void Sequence::add_default_nodes()
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{
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// Create tracks and connect them to the viewer
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Node* video_track_output = viewer_output_->track_list(Timeline::kTrackTypeVideo)->AddTrack();
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Node* audio_track_output = viewer_output_->track_list(Timeline::kTrackTypeAudio)->AddTrack();
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NodeParam::ConnectEdge(video_track_output->output(), viewer_output_->texture_input());
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NodeParam::ConnectEdge(audio_track_output->output(), viewer_output_->samples_input());
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}
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Item::Type Sequence::type() const
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{
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return kSequence;
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}
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QIcon Sequence::icon()
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{
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return icon::Sequence;
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}
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QString Sequence::duration()
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{
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rational timeline_length = viewer_output_->Length();
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int64_t timestamp = Timecode::time_to_timestamp(timeline_length, video_params().time_base());
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return Timecode::timestamp_to_timecode(timestamp, video_params().time_base(), Timecode::CurrentDisplay());
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}
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QString Sequence::rate()
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{
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return QCoreApplication::translate("Sequence", "%1 FPS").arg(video_params().time_base().flipped().toDouble());
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}
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const VideoParams &Sequence::video_params() const
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{
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return viewer_output_->video_params();
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}
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void Sequence::set_video_params(const VideoParams &vparam)
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{
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viewer_output_->set_video_params(vparam);
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}
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const AudioParams &Sequence::audio_params() const
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{
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return viewer_output_->audio_params();
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}
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void Sequence::set_audio_params(const AudioParams ¶ms)
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{
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viewer_output_->set_audio_params(params);
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}
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void Sequence::set_default_parameters()
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{
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set_video_params(VideoParams(Config::Current()["DefaultSequenceWidth"].toInt(),
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Config::Current()["DefaultSequenceHeight"].toInt(),
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Config::Current()["DefaultSequenceFrameRate"].value<rational>()));
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set_audio_params(AudioParams(Config::Current()["DefaultSequenceAudioFrequency"].toInt(),
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Config::Current()["DefaultSequenceAudioLayout"].toULongLong()));
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}
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void Sequence::set_parameters_from_footage(const QList<Footage *> footage)
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{
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bool found_video_params = false;
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bool found_audio_params = false;
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foreach (Footage* f, footage) {
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foreach (StreamPtr s, f->streams()) {
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if (!found_video_params) {
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if (s->type() == Stream::kVideo) {
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// If this is a video stream, use these parameters
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VideoStream* vs = static_cast<VideoStream*>(s.get());
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if (vs->frame_rate() != 0) {
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set_video_params(VideoParams(vs->width(), vs->height(), vs->frame_rate().flipped()));
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found_video_params = true;
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}
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} else if (s->type() == Stream::kImage) {
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// If this is an image stream, we'll use it's resolution but won't set `found_video_params` in case
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// something with a frame rate comes along which we'll prioritize
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ImageStream* is = static_cast<ImageStream*>(s.get());
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set_video_params(VideoParams(is->width(), is->height(), video_params().time_base()));
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}
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} else if (!found_audio_params && s->type() == Stream::kAudio) {
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AudioStream* as = static_cast<AudioStream*>(s.get());
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set_audio_params(AudioParams(as->sample_rate(), as->channel_layout()));
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found_audio_params = true;
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}
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if (found_video_params && found_audio_params) {
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break;
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}
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}
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if (found_video_params && found_audio_params) {
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break;
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}
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}
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}
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ViewerOutput *Sequence::viewer_output() const
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{
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return viewer_output_;
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}
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void Sequence::NameChangedEvent(const QString &name)
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{
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viewer_output_->set_media_name(name);
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}
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