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/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#include "footageviewer.h"
#include <QDrag>
#include <QMimeData>
#include "config/config.h"
#include "project/project.h"
OLIVE_NAMESPACE_ENTER
FootageViewerWidget::FootageViewerWidget(QWidget *parent) :
ViewerWidget(parent),
footage_(nullptr)
{
video_node_ = new VideoInput();
audio_node_ = new AudioInput();
viewer_node_ = new ViewerOutput();
connect(display_widget(), &ViewerDisplayWidget::DragStarted, this, &FootageViewerWidget::StartFootageDrag);
controls_->SetAudioVideoDragButtonsVisible(true);
connect(controls_, &PlaybackControls::VideoPressed, this, &FootageViewerWidget::StartVideoDrag);
connect(controls_, &PlaybackControls::AudioPressed, this, &FootageViewerWidget::StartAudioDrag);
}
Footage *FootageViewerWidget::GetFootage() const
{
return footage_;
}
void FootageViewerWidget::SetFootage(Footage *footage)
{
if (footage_) {
cached_timestamps_.insert(footage_, GetTimestamp());
ConnectViewerNode(nullptr);
NodeParam::DisconnectEdge(video_node_->output(), viewer_node_->texture_input());
NodeParam::DisconnectEdge(audio_node_->output(), viewer_node_->samples_input());
}
footage_ = footage;
if (footage_) {
VideoStreamPtr video_stream = nullptr;
AudioStreamPtr audio_stream = nullptr;
foreach (StreamPtr s, footage_->streams()) {
if (!audio_stream && s->type() == Stream::kAudio) {
audio_stream = std::static_pointer_cast<AudioStream>(s);
}
if (!video_stream
&& (s->type() == Stream::kVideo || s->type() == Stream::kImage)) {
video_stream = std::static_pointer_cast<VideoStream>(s);
}
if (audio_stream && video_stream) {
break;
}
}
viewer_node_->set_media_name(footage_->name());
if (video_stream) {
video_node_->SetFootage(video_stream);
viewer_node_->set_video_params(VideoParams(video_stream->width(),
video_stream->height(),
video_stream->frame_rate().flipped(),
static_cast<PixelFormat::Format>(Config::Current()["DefaultSequencePreviewFormat"].toInt()),
VideoParams::generate_auto_divider(video_stream->width(), video_stream->height())));
NodeParam::ConnectEdge(video_node_->output(), viewer_node_->texture_input());
} else {
int width = Config::Current()["DefaultSequenceWidth"].toInt();
int height = Config::Current()["DefaultSequenceHeight"].toInt();
viewer_node_->set_video_params(VideoParams(width,
height,
Config::Current()["DefaultSequenceFrameRate"].value<rational>(),
static_cast<PixelFormat::Format>(Config::Current()["DefaultSequencePreviewFormat"].toInt()),
VideoParams::generate_auto_divider(width, height)));
}
if (audio_stream) {
audio_node_->SetFootage(audio_stream);
viewer_node_->set_audio_params(AudioParams(audio_stream->sample_rate(), audio_stream->channel_layout(), SampleFormat::kInternalFormat));
NodeParam::ConnectEdge(audio_node_->output(), viewer_node_->samples_input());
} else {
viewer_node_->set_audio_params(AudioParams(Config::Current()["DefaultSequenceAudioFrequency"].toInt(),
Config::Current()["DefaultSequenceAudioLayout"].toULongLong(),
SampleFormat::kInternalFormat));
}
ConnectViewerNode(viewer_node_, footage_->project()->color_manager());
SetTimestamp(cached_timestamps_.value(footage_, 0));
}
}
TimelinePoints *FootageViewerWidget::ConnectTimelinePoints()
{
return footage_;
}
Project *FootageViewerWidget::GetTimelinePointsProject()
{
return footage_->project();
}
void FootageViewerWidget::StartFootageDragInternal(bool enable_video, bool enable_audio)
{
if (!GetFootage()) {
return;
}
QDrag* drag = new QDrag(this);
QMimeData* mimedata = new QMimeData();
QByteArray encoded_data;
QDataStream stream(&encoded_data, QIODevice::WriteOnly);
quint64 enabled_stream_flags = GetFootage()->get_enabled_stream_flags();
// Disable streams that have been disabled
if (!enable_video || !enable_audio) {
quint64 stream_disabler = 0x1;
foreach (StreamPtr s, GetFootage()->streams()) {
if ((s->type() == Stream::kVideo && !enable_video)
|| (s->type() == Stream::kAudio && !enable_audio)) {
enabled_stream_flags &= ~stream_disabler;
}
stream_disabler <<= 1;
}
}
stream << enabled_stream_flags << -1 << reinterpret_cast<quintptr>(GetFootage());
mimedata->setData("application/x-oliveprojectitemdata", encoded_data);
drag->setMimeData(mimedata);
drag->exec();
}
void FootageViewerWidget::StartFootageDrag()
{
StartFootageDragInternal(true, true);
}
void FootageViewerWidget::StartVideoDrag()
{
StartFootageDragInternal(true, false);
}
void FootageViewerWidget::StartAudioDrag()
{
StartFootageDragInternal(false, true);
}
OLIVE_NAMESPACE_EXIT
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