videoformat.h
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/* akvirtualcamera, virtual camera for Mac and Windows.
* Copyright (C) 2020 Gonzalo Exequiel Pedone
*
* akvirtualcamera 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.
*
* akvirtualcamera 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 akvirtualcamera. If not, see <http://www.gnu.org/licenses/>.
*
* Web-Site: http://webcamoid.github.io/
*/
#ifndef AKVCAMUTILS_VIDEOFORMAT_H
#define AKVCAMUTILS_VIDEOFORMAT_H
#include <string>
#include <vector>
#include "videoformattypes.h"
#include "fraction.h"
namespace AkVCam
{
class VideoFormat;
class VideoFormatPrivate;
using VideoFormats = std::vector<VideoFormat>;
class VideoFormat
{
public:
VideoFormat();
VideoFormat(FourCC fourcc,
int width,
int height,
const std::vector<Fraction> &frameRates={});
VideoFormat(const VideoFormat &other);
~VideoFormat();
VideoFormat &operator =(const VideoFormat &other);
bool operator ==(const VideoFormat &other) const;
bool operator !=(const VideoFormat &other) const;
operator bool() const;
FourCC fourcc() const;
FourCC &fourcc();
int width() const;
int &width();
int height() const;
int &height();
std::vector<Fraction> frameRates() const;
std::vector<Fraction> &frameRates();
std::vector<FractionRange> frameRateRanges() const;
Fraction minimumFrameRate() const;
size_t bpp() const;
size_t bypl(size_t plane) const;
size_t size() const;
size_t planes() const;
size_t offset(size_t plane) const;
size_t planeSize(size_t plane) const;
bool isValid() const;
void clear();
VideoFormat nearest(const std::vector<VideoFormat> &formats) const;
static void roundNearest(int width, int height,
int *owidth, int *oheight,
int align=32);
static FourCC fourccFromString(const std::string &fourccStr);
static std::string stringFromFourcc(FourCC fourcc);
private:
VideoFormatPrivate *d;
};
}
std::ostream &operator <<(std::ostream &os, const AkVCam::VideoFormat &format);
std::ostream &operator <<(std::ostream &os, const AkVCam::VideoFormats &formats);
#endif // AKVCAMUTILS_VIDEOFORMAT_H