66 lines
1.7 KiB
C++
66 lines
1.7 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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#ifndef PREVIEWGENERATOR_H
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#define PREVIEWGENERATOR_H
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#include <QThread>
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#include <QSemaphore>
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#include <QDir>
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#include "project/footage.h"
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#include "project/media.h"
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extern "C" {
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#include <libavformat/avformat.h>
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#include <libavcodec/avcodec.h>
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#include <libswscale/swscale.h>
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#include <libswresample/swresample.h>
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}
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class PreviewGenerator : public QThread
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{
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Q_OBJECT
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public:
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PreviewGenerator(Media*);
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void run();
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void cancel();
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static void AnalyzeMedia(Media*);
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private:
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void parse_media();
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bool retrieve_preview(const QString &hash);
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void generate_waveform();
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void finalize_media();
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void invalidate_media(const QString& error_msg);
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QString get_thumbnail_path(const QString &hash, const FootageStream &ms);
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QString get_waveform_path(const QString& hash, const FootageStream &ms);
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AVFormatContext* fmt_ctx_;
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Media* media_;
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Footage* footage_;
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bool retrieve_duration_;
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bool contains_still_image_;
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bool cancelled_;
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QDir data_dir_;
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};
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#endif // PREVIEWGENERATOR_H
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