X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fimage.h;h=f83bf6998111defbb49fcd49d67dea6703099992;hb=21e8238484af35ac207b01defe406e73445632be;hp=7c118f338c84f0c52998dda9d814871354c90677;hpb=288e7e64e9be84b8dbe11f5acb490e64a29d9378;p=dcpomatic.git diff --git a/src/lib/image.h b/src/lib/image.h index 7c118f338..f83bf6998 100644 --- a/src/lib/image.h +++ b/src/lib/image.h @@ -21,8 +21,8 @@ * @brief A set of classes to describe video images. */ -#ifndef DVDOMATIC_IMAGE_H -#define DVDOMATIC_IMAGE_H +#ifndef DCPOMATIC_IMAGE_H +#define DCPOMATIC_IMAGE_H #include #include @@ -31,50 +31,40 @@ extern "C" { #include #include } +#include #include "util.h" +#include "position.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 libdcp::Image { public: - Image (AVPixelFormat p) - : _pixel_format (p) - {} + Image (AVPixelFormat, libdcp::Size, bool); + Image (AVFrame *); + Image (Image const &); + Image (boost::shared_ptr, 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 Size size () const = 0; + uint8_t ** data () const; + int * line_size () const; + int * stride () const; + libdcp::Size size () const; + bool aligned () const; int components () const; + int line_factor (int) const; int lines (int) const; - boost::shared_ptr scale_and_convert_to_rgb (Size, int, Scaler const *) const; - boost::shared_ptr scale (Size, Scaler const *) const; - boost::shared_ptr post_process (std::string) const; - void alpha_blend (boost::shared_ptr image, Position pos); + + boost::shared_ptr scale (libdcp::Size, Scaler const *, AVPixelFormat, bool aligned) const; + boost::shared_ptr crop (Crop c, bool aligned) const; + + boost::shared_ptr crop_scale_window (Crop c, libdcp::Size, libdcp::Size, Scaler const *, AVPixelFormat, bool aligned) const; void make_black (); + void alpha_blend (boost::shared_ptr image, Position pos); + void copy (boost::shared_ptr image, Position pos); void read_from_socket (boost::shared_ptr); void write_to_socket (boost::shared_ptr) const; @@ -83,68 +73,22 @@ public: return _pixel_format; } -private: - 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; - Size size () const; + std::string digest () const; private: - AVFilterBufferRef* _buffer; -}; - -/** @class SimpleImage - * @brief An Image for which memory is allocated using a `simple' av_malloc(). - */ -class SimpleImage : public Image -{ -public: - SimpleImage (AVPixelFormat, Size, boost::function rounder); - ~SimpleImage (); - - uint8_t ** data () const; - int * line_size () const; - int * stride () const; - Size size () const; + friend class pixel_formats_test; -private: + void allocate (); + void swap (Image &); + float bytes_per_pixel (int) const; + void yuv_16_black (uint16_t, bool); + static uint16_t swap_16 (uint16_t); - 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) -}; - -/** @class AlignedImage - * @brief An image whose pixel data is padded so that rows always start on 32-byte boundaries. - */ -class AlignedImage : public SimpleImage -{ -public: - AlignedImage (AVPixelFormat, Size); - AlignedImage (boost::shared_ptr); -}; - -/** @class CompactImage - * @brief An image whose pixel data is not padded, so rows may start at any pixel alignment. - */ -class CompactImage : public SimpleImage -{ -public: - CompactImage (AVPixelFormat, Size); - CompactImage (boost::shared_ptr); + bool _aligned; }; #endif