94 lines
2.4 KiB
C++
94 lines
2.4 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 "footage.h"
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#include <QDebug>
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#include <QtMath>
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#include <QPainter>
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#include "io/previewgenerator.h"
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#include "project/clip.h"
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Footage::Footage() {
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ready = (false);
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preview_gen = (nullptr);
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invalid = (false);
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in = (0);
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out = (0);
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speed = (1.0);
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alpha_is_premultiplied = (false);
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proxy = (false);
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start_number = 0;
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ready_lock.lock();
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}
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Footage::~Footage() {
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reset();
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}
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void Footage::reset() {
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if (preview_gen != nullptr) {
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preview_gen->cancel();
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}
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video_tracks.clear();
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audio_tracks.clear();
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ready = false;
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}
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long Footage::get_length_in_frames(double frame_rate) {
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if (length >= 0) {
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return qFloor((double(length) / double(AV_TIME_BASE)) * frame_rate / speed);
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}
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return 0;
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}
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FootageStream* Footage::get_stream_from_file_index(bool video, int index) {
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if (video) {
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for (int i=0;i<video_tracks.size();i++) {
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if (video_tracks.at(i).file_index == index) {
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return &video_tracks[i];
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}
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}
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} else {
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for (int i=0;i<audio_tracks.size();i++) {
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if (audio_tracks.at(i).file_index == index) {
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return &audio_tracks[i];
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}
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}
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}
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return nullptr;
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}
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void FootageStream::make_square_thumb() {
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// generate square version for QListView?
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int square_size = qMax(video_preview.width(), video_preview.height());
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QPixmap pixmap(square_size, square_size);
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pixmap.fill(Qt::transparent);
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QPainter p(&pixmap);
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int diff = (video_preview.width() - video_preview.height())>>1;
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int sqx = (diff < 0) ? -diff : 0;
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int sqy = (diff > 0) ? diff : 0;
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p.drawImage(sqx, sqy, video_preview);
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p.end();
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video_preview_square = QIcon(pixmap);
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}
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