itsmattkc
f3f81eb2be
Since users will most likely be working with a divider most of the time, there's no reason to waste memory space with undivided frames considering the dividing process is quite fast.
145 lines
3.5 KiB
C++
145 lines
3.5 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 VIDEOPARAMS_H
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#define VIDEOPARAMS_H
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#include "common/rational.h"
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#include "pixelformat.h"
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#include "rendermodes.h"
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OLIVE_NAMESPACE_ENTER
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class VideoParams {
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public:
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enum Interlacing {
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kInterlaceNone,
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kInterlacedTopFirst,
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kInterlacedBottomFirst
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};
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VideoParams();
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VideoParams(const int& width, const int& height, const PixelFormat::Format& format,
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const rational& pixel_aspect_ratio = 1,
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const Interlacing& interlacing = kInterlaceNone, const int& divider = 1);
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VideoParams(const int& width, const int& height, const rational& time_base,
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const PixelFormat::Format& format, const rational& pixel_aspect_ratio = 1,
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const Interlacing& interlacing = kInterlaceNone, const int& divider = 1);
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const int& width() const
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{
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return width_;
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}
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const int& height() const
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{
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return height_;
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}
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const rational& time_base() const
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{
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return time_base_;
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}
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const int& divider() const
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{
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return divider_;
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}
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const int& effective_width() const
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{
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return effective_width_;
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}
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const int& effective_height() const
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{
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return effective_height_;
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}
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const PixelFormat::Format& format() const
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{
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return format_;
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}
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const rational& pixel_aspect_ratio() const
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{
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return pixel_aspect_ratio_;
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}
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Interlacing interlacing() const
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{
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return interlacing_;
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}
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static int generate_auto_divider(qint64 width, qint64 height);
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bool is_valid() const;
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bool operator==(const VideoParams& rhs) const;
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bool operator!=(const VideoParams& rhs) const;
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static const rational kPixelAspectSquare;
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static const rational kPixelAspectNTSCStandard;
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static const rational kPixelAspectNTSCWidescreen;
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static const rational kPixelAspectPALStandard;
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static const rational kPixelAspectPALWidescreen;
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static const rational kPixelAspect1080Anamorphic;
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static const QVector<rational> kSupportedFrameRates;
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static const QVector<rational> kStandardPixelAspects;
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static const QVector<int> kSupportedDividers;
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/**
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* @brief Convert rational frame rate (i.e. flipped timebase) to a user-friendly string
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*/
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static QString FrameRateToString(const rational& frame_rate);
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static QStringList GetStandardPixelAspectRatioNames();
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static QString FormatPixelAspectRatioString(const QString& format, const rational& ratio);
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static int GetScaledDimension(int dim, int divider);
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private:
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void calculate_effective_size();
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void validate_pixel_aspect_ratio();
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int width_;
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int height_;
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rational time_base_;
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PixelFormat::Format format_;
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rational pixel_aspect_ratio_;
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Interlacing interlacing_;
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int divider_;
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int effective_width_;
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int effective_height_;
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};
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OLIVE_NAMESPACE_EXIT
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Q_DECLARE_METATYPE(OLIVE_NAMESPACE::VideoParams)
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Q_DECLARE_METATYPE(OLIVE_NAMESPACE::VideoParams::Interlacing)
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#endif // VIDEOPARAMS_H
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