void prepare (std::function<AVPixelFormat (AVPixelFormat)> pixel_format, VideoRange video_range, bool aligned, bool fast, bool proxy_only);
std::shared_ptr<Image> image (std::function<AVPixelFormat (AVPixelFormat)> pixel_format, VideoRange video_range, bool aligned, bool fast) const;
void prepare (std::function<AVPixelFormat (AVPixelFormat)> pixel_format, VideoRange video_range, bool aligned, bool fast, bool proxy_only);
std::shared_ptr<Image> image (std::function<AVPixelFormat (AVPixelFormat)> pixel_format, VideoRange video_range, bool aligned, bool fast) const;