#include <libavcodec/avcodec.h>
#include <libavfilter/avfilter.h>
}
+#include <dcp/image.h>
#include "util.h"
-#include "ffmpeg_compatibility.h"
+#include "position.h"
+#include "position_image.h"
class Scaler;
-class RGBFrameImage;
-class SimpleImage;
-
-/** @class Image
- * @brief Parent class for wrappers of some image, in some format, that
- * can present a set of components and a size in pixels.
- *
- * This class also has some conversion / processing methods.
- *
- * The main point of this class (and its subclasses) is to abstract
- * details of FFmpeg's memory management and varying data formats.
- */
-class Image
+
+class Image : public dcp::Image
{
public:
- Image (AVPixelFormat p)
- : _pixel_format (p)
- {}
+ Image (AVPixelFormat, dcp::Size, bool);
+ Image (AVFrame *);
+ Image (Image const &);
+ Image (boost::shared_ptr<const Image>, bool);
+ Image& operator= (Image const &);
+ ~Image ();
- virtual ~Image () {}
-
- /** @return Array of pointers to arrays of the component data */
- virtual uint8_t ** data () const = 0;
-
- /** @return Array of sizes of the data in each line, in bytes (without any alignment padding bytes) */
- virtual int * line_size () const = 0;
-
- /** @return Array of strides for each line (including any alignment padding bytes) */
- virtual int * stride () const = 0;
-
- /** @return Size of the image, in pixels */
- virtual libdcp::Size size () const = 0;
-
- virtual bool aligned () const = 0;
+ uint8_t ** data () const;
+ int * line_size () const;
+ int * stride () const;
+ dcp::Size size () const;
+ bool aligned () const;
int components () const;
+ int line_factor (int) const;
int lines (int) const;
- boost::shared_ptr<Image> scale_and_convert_to_rgb (libdcp::Size out_size, int padding, Scaler const * scaler, bool aligned) const;
- boost::shared_ptr<Image> scale (libdcp::Size, Scaler const *, bool aligned) const;
- boost::shared_ptr<Image> post_process (std::string, bool aligned) const;
- void alpha_blend (boost::shared_ptr<const Image> image, Position pos);
+ boost::shared_ptr<Image> scale (dcp::Size, Scaler const *, AVPixelFormat, bool aligned) const;
boost::shared_ptr<Image> crop (Crop c, bool aligned) const;
+
+ boost::shared_ptr<Image> crop_scale_window (Crop c, dcp::Size, dcp::Size, Scaler const *, AVPixelFormat, bool aligned) const;
void make_black ();
+ void make_transparent ();
+ void alpha_blend (boost::shared_ptr<const Image> image, Position<int> pos);
+ void copy (boost::shared_ptr<const Image> image, Position<int> pos);
void read_from_socket (boost::shared_ptr<Socket>);
void write_to_socket (boost::shared_ptr<Socket>) const;
return _pixel_format;
}
-protected:
- virtual void swap (Image &);
- float bytes_per_pixel (int) const;
-
-private:
- void yuv_16_black (uint16_t);
- static uint16_t swap_16 (uint16_t);
-
- AVPixelFormat _pixel_format; ///< FFmpeg's way of describing the pixel format of this Image
-};
-
-/** @class FilterBufferImage
- * @brief An Image that is held in an AVFilterBufferRef.
- */
-class FilterBufferImage : public Image
-{
-public:
- FilterBufferImage (AVPixelFormat, AVFilterBufferRef *);
- ~FilterBufferImage ();
-
- uint8_t ** data () const;
- int * line_size () const;
- int * stride () const;
- libdcp::Size size () const;
- bool aligned () const;
+ std::string digest () const;
private:
- /* Not allowed */
- FilterBufferImage (FilterBufferImage const &);
- FilterBufferImage& operator= (FilterBufferImage const &);
+ friend class pixel_formats_test;
- AVFilterBufferRef* _buffer;
- int* _line_size;
-};
-
-/** @class SimpleImage
- * @brief An Image for which memory is allocated using a `simple' av_malloc().
- */
-class SimpleImage : public Image
-{
-public:
- SimpleImage (AVPixelFormat, libdcp::Size, bool);
- SimpleImage (SimpleImage const &);
- SimpleImage (boost::shared_ptr<const Image>);
- SimpleImage& operator= (SimpleImage const &);
- ~SimpleImage ();
-
- uint8_t ** data () const;
- int * line_size () const;
- int * stride () const;
- libdcp::Size size () const;
- bool aligned () const;
-
-protected:
void allocate ();
- void swap (SimpleImage &);
+ void swap (Image &);
+ float bytes_per_pixel (int) const;
+ void yuv_16_black (uint16_t, bool);
+ static uint16_t swap_16 (uint16_t);
-private:
- libdcp::Size _size; ///< size in pixels
+ AVPixelFormat _pixel_format; ///< FFmpeg's way of describing the pixel format of this Image
uint8_t** _data; ///< array of pointers to components
int* _line_size; ///< array of sizes of the data in each line, in pixels (without any alignment padding bytes)
int* _stride; ///< array of strides for each line (including any alignment padding bytes)
bool _aligned;
};
-class RGBPlusAlphaImage : public SimpleImage
-{
-public:
- RGBPlusAlphaImage (boost::shared_ptr<const Image>);
- ~RGBPlusAlphaImage ();
-
- uint8_t* alpha () const {
- return _alpha;
- }
-
-private:
- uint8_t* _alpha;
-};
+extern PositionImage merge (std::list<PositionImage> images);
#endif