void prepare ();
boost::shared_ptr<Image> image (boost::function<AVPixelFormat (AVPixelFormat)> pixel_format, bool aligned, bool fast) const;
- static AVPixelFormat always_rgb (AVPixelFormat);
+ static AVPixelFormat force (AVPixelFormat, AVPixelFormat);
static AVPixelFormat keep_xyz_or_rgb (AVPixelFormat);
void add_metadata (xmlpp::Node* node) const;