/*
Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic 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 2 of the License, or
(at your option) any later version.
- This program is distributed in the hope that it will be useful,
+ DCP-o-matic 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 this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DCPOMATIC_IMAGE_H
#define DCPOMATIC_IMAGE_H
+
+#include "crop.h"
#include "position.h"
#include "position_image.h"
-#include "types.h"
+#include "video_range.h"
extern "C" {
#include <libavutil/pixfmt.h>
}
+#include <dcp/array_data.h>
#include <dcp/colour_conversion.h>
-#include <boost/shared_ptr.hpp>
+
struct AVFrame;
class Socket;
-class Image
+
+class Image : public std::enable_shared_from_this<Image>
{
public:
- Image (AVPixelFormat, dcp::Size, bool, int extra_pixels = 0);
- Image (AVFrame *);
- Image (Image const &);
- Image (boost::shared_ptr<const Image>, bool);
+ enum class Alignment {
+ COMPACT,
+ PADDED
+ };
+
+ Image (AVPixelFormat p, dcp::Size s, Alignment alignment);
+ explicit Image (AVFrame const *, Alignment alignment);
+ explicit Image (Image const &);
+ Image (std::shared_ptr<const Image>, Alignment alignment);
Image& operator= (Image const &);
~Image ();
uint8_t * const * data () const;
+ /** @return array of sizes of the data in each line, in bytes (not including any alignment padding) */
int const * line_size () const;
+ /** @return array of sizes of the data in each line, in bytes (including any alignment padding) */
int const * stride () const;
dcp::Size size () const;
- bool aligned () const;
+ Alignment alignment () const;
int planes () const;
- int components () const;
- int line_factor (int) const;
+ int vertical_factor (int) const;
+ int horizontal_factor (int) const;
dcp::Size sample_size (int) const;
+ float bytes_per_pixel (int) const;
- boost::shared_ptr<Image> scale (dcp::Size, dcp::YUVToRGB yuv_to_rgb, AVPixelFormat, bool aligned, bool fast) const;
- boost::shared_ptr<Image> crop_scale_window (
- Crop c, dcp::Size, dcp::Size, dcp::YUVToRGB yuv_to_rgb, AVPixelFormat, bool aligned, bool fast)
- const;
+ std::shared_ptr<Image> convert_pixel_format (dcp::YUVToRGB yuv_to_rgb, AVPixelFormat out_format, Alignment alignment, bool fast) const;
+ std::shared_ptr<Image> scale (dcp::Size out_size, dcp::YUVToRGB yuv_to_rgb, AVPixelFormat out_format, Alignment alignment, bool fast) const;
+ std::shared_ptr<Image> crop_scale_window (
+ Crop crop,
+ dcp::Size inter_size,
+ dcp::Size out_size,
+ dcp::YUVToRGB yuv_to_rgb,
+ VideoRange video_range,
+ AVPixelFormat out_format,
+ VideoRange out_video_range,
+ Alignment alignment,
+ bool fast
+ ) 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 alpha_blend (std::shared_ptr<const Image> image, Position<int> pos);
+ void copy (std::shared_ptr<const Image> image, Position<int> pos);
void fade (float);
- void read_from_socket (boost::shared_ptr<Socket>);
- void write_to_socket (boost::shared_ptr<Socket>) const;
+ void read_from_socket (std::shared_ptr<Socket>);
+ void write_to_socket (std::shared_ptr<Socket>) const;
AVPixelFormat pixel_format () const {
return _pixel_format;
}
+ size_t memory_used () const;
+
+ static std::shared_ptr<const Image> ensure_alignment (std::shared_ptr<const Image> image, Alignment alignment);
+
private:
friend struct pixel_formats_test;
+ friend struct make_part_black_test;
void allocate ();
void swap (Image &);
- float bytes_per_pixel (int) const;
+ void make_part_black (int x, int w);
void yuv_16_black (uint16_t, bool);
static uint16_t swap_16 (uint16_t);
+ void video_range_to_full_range ();
dcp::Size _size;
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;
- int _extra_pixels;
+ int* _line_size; ///< array of sizes of the data in each line, in bytes (without any alignment padding bytes)
+ int* _stride; ///< array of strides for each line, in bytes (including any alignment padding bytes)
+ Alignment _alignment;
};
-extern PositionImage merge (std::list<PositionImage> images);
+extern PositionImage merge (std::list<PositionImage> images, Image::Alignment alignment);
extern bool operator== (Image const & a, Image const & b);
#endif