/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ 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 <string>
-#include <boost/shared_ptr.hpp>
-#include <boost/function.hpp>
-extern "C" {
-#include <libavcodec/avcodec.h>
-#include <libavfilter/avfilter.h>
-}
-#include <dcp/image.h>
-#include "util.h"
#include "position.h"
#include "position_image.h"
+#include "types.h"
+extern "C" {
+#include <libavutil/pixfmt.h>
+}
+#include <dcp/array_data.h>
+#include <dcp/colour_conversion.h>
-class Scaler;
+struct AVFrame;
+class Socket;
-class Image : public dcp::Image
+class Image : public std::enable_shared_from_this<Image>
{
public:
- Image (AVPixelFormat, dcp::Size, bool);
- Image (AVFrame *);
- Image (Image const &);
- Image (boost::shared_ptr<const Image>, bool);
+ Image (AVPixelFormat p, dcp::Size s, bool aligned);
+ explicit Image (AVFrame *);
+ explicit Image (Image const &);
+ Image (std::shared_ptr<const Image>, bool);
Image& operator= (Image const &);
~Image ();
-
- uint8_t ** data () const;
- int * line_size () const;
- int * stride () const;
+
+ 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;
- int components () const;
- int line_factor (int) const;
- int lines (int) const;
+ int planes () 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, Scaler const *, AVPixelFormat, bool aligned) const;
- boost::shared_ptr<Image> crop (Crop c, bool aligned) const;
+ std::shared_ptr<Image> convert_pixel_format (dcp::YUVToRGB yuv_to_rgb, AVPixelFormat out_format, bool aligned, bool fast) const;
+ std::shared_ptr<Image> scale (dcp::Size out_size, dcp::YUVToRGB yuv_to_rgb, AVPixelFormat out_format, bool aligned, 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,
+ bool aligned,
+ bool fast
+ ) 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 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 video_range_to_full_range ();
+
+ void read_from_socket (std::shared_ptr<Socket>);
+ void write_to_socket (std::shared_ptr<Socket>) const;
- void read_from_socket (boost::shared_ptr<Socket>);
- void write_to_socket (boost::shared_ptr<Socket>) const;
-
AVPixelFormat pixel_format () const {
return _pixel_format;
}
- std::string digest () const;
+ size_t memory_used () const;
+
+ dcp::ArrayData as_png () const;
+
+ void png_error (char const * message);
+
+ static std::shared_ptr<const Image> ensure_aligned (std::shared_ptr<const Image> image);
private:
- friend class pixel_formats_test;
-
+ friend struct pixel_formats_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);
-
+
+ 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)
+ 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)
bool _aligned;
};
extern PositionImage merge (std::list<PositionImage> images);
+extern bool operator== (Image const & a, Image const & b);
#endif