Add a multiply by a Bradford matrix to rgb->xyz conversion.
[libdcp.git] / src / picture_asset.cc
index c59664d9cb263833c3c8b0179a3e3460f12468c2..8d3b0347fe144a9ef8c3f8acd4cfaa6f4800f631 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
 #include <stdexcept>
 #include <iostream>
 #include <sstream>
-#include <fstream>
 #include <boost/filesystem.hpp>
 #include <boost/lexical_cast.hpp>
 #include <openjpeg.h>
+#include <libxml++/nodes/element.h>
 #include "AS_DCP.h"
 #include "KM_fileio.h"
 #include "picture_asset.h"
 #include "util.h"
 #include "exceptions.h"
-
-using namespace std;
-using namespace boost;
+#include "xyz_frame.h"
+#include "picture_asset_writer.h"
+#include "raw_convert.h"
+
+using std::string;
+using std::ostream;
+using std::list;
+using std::vector;
+using std::max;
+using std::stringstream;
+using std::pair;
+using std::make_pair;
+using std::istream;
+using std::cout;
+using boost::shared_ptr;
+using boost::dynamic_pointer_cast;
+using boost::lexical_cast;
 using namespace libdcp;
 
-PictureAsset::PictureAsset (
-       sigc::slot<string, int> get_path,
-       string directory,
-       string mxf_name,
-       sigc::signal1<void, float>* progress,
-       int fps,
-       int length,
-       int width,
-       int height)
-       : Asset (directory, mxf_name, progress, fps, length)
-       , _width (width)
-       , _height (height)
+PictureAsset::PictureAsset (boost::filesystem::path directory, boost::filesystem::path mxf_name)
+       : MXFAsset (directory, mxf_name)
 {
-       construct (get_path);
-}
 
-PictureAsset::PictureAsset (
-       vector<string> const & files,
-       string directory,
-       string mxf_name,
-       sigc::signal1<void, float>* progress,
-       int fps,
-       int length,
-       int width,
-       int height)
-       : Asset (directory, mxf_name, progress, fps, length)
-       , _width (width)
-       , _height (height)
-{
-       construct (sigc::bind (sigc::mem_fun (*this, &PictureAsset::path_from_list), files));
 }
 
-PictureAsset::PictureAsset (string directory, string mxf_name, int fps, int length, int width, int height)
-       : Asset (directory, mxf_name, 0, fps, length)
-       , _width (width)
-       , _height (height)
+void
+PictureAsset::write_to_cpl (xmlpp::Element* node) const
 {
+       MXFAsset::write_to_cpl (node);
+       
+       xmlpp::Node::NodeList c = node->get_children ();
+       xmlpp::Node::NodeList::iterator i = c.begin();
+       while (i != c.end() && (*i)->get_name() != cpl_node_name ()) {
+               ++i;
+       }
+
+       assert (i != c.end ());
 
+       (*i)->add_child ("FrameRate")->add_child_text (raw_convert<string> (_edit_rate * edit_rate_factor ()) + " 1");
+       if (_interop) {
+               stringstream s;
+               s << std::fixed << std::setprecision (2) << (float (_size.width) / _size.height);
+               (*i)->add_child ("ScreenAspectRatio")->add_child_text (s.str ());
+       } else {
+               (*i)->add_child ("ScreenAspectRatio")->add_child_text (raw_convert<string> (_size.width) + " " + raw_convert<string> (_size.height));
+       }
 }
 
-string
-PictureAsset::path_from_list (int f, vector<string> const & files) const
+bool
+PictureAsset::descriptor_equals (
+       ASDCP::JP2K::PictureDescriptor const & a, ASDCP::JP2K::PictureDescriptor const & b, boost::function<void (NoteType, string)> note
+       ) const
 {
-       return files[f];
+       if (
+               a.EditRate != b.EditRate ||
+               a.SampleRate != b.SampleRate ||
+               a.StoredWidth != b.StoredWidth ||
+               a.StoredHeight != b.StoredHeight ||
+               a.AspectRatio != b.AspectRatio ||
+               a.Rsize != b.Rsize ||
+               a.Xsize != b.Xsize ||
+               a.Ysize != b.Ysize ||
+               a.XOsize != b.XOsize ||
+               a.YOsize != b.YOsize ||
+               a.XTsize != b.XTsize ||
+               a.YTsize != b.YTsize ||
+               a.XTOsize != b.XTOsize ||
+               a.YTOsize != b.YTOsize ||
+               a.Csize != b.Csize
+//             a.CodingStyleDefault != b.CodingStyleDefault ||
+//             a.QuantizationDefault != b.QuantizationDefault
+               ) {
+               
+               note (ERROR, "video MXF picture descriptors differ");
+               return false;
+       }
+
+       if (a.ContainerDuration != b.ContainerDuration) {
+               note (ERROR, "video container durations differ");
+       }
+       
+//             for (unsigned int j = 0; j < ASDCP::JP2K::MaxComponents; ++j) {
+//                     if (a.ImageComponents[j] != b.ImageComponents[j]) {
+//                             notes.pack_start ("video MXF picture descriptors differ");
+//                     }
+//             }
+
+       return true;
 }
 
-void
-PictureAsset::construct (sigc::slot<string, int> get_path)
+bool
+PictureAsset::frame_buffer_equals (
+       int frame, EqualityOptions opt, boost::function<void (NoteType, string)> note,
+       uint8_t const * data_A, unsigned int size_A, uint8_t const * data_B, unsigned int size_B
+       ) const
 {
-       ASDCP::JP2K::CodestreamParser j2k_parser;
-       ASDCP::JP2K::FrameBuffer frame_buffer (4 * Kumu::Megabyte);
-       if (ASDCP_FAILURE (j2k_parser.OpenReadFrame (get_path(0).c_str(), frame_buffer))) {
-               throw FileError ("could not open JPEG2000 file for reading", get_path (0));
+       if (size_A == size_B && memcmp (data_A, data_B, size_A) == 0) {
+               note (NOTE, "J2K identical");
+               /* Easy result; the J2K data is identical */
+               return true;
        }
+               
+       /* Decompress the images to bitmaps */
+       shared_ptr<XYZFrame> image_A = decompress_j2k (const_cast<uint8_t*> (data_A), size_A, 0);
+       shared_ptr<XYZFrame> image_B = decompress_j2k (const_cast<uint8_t*> (data_B), size_B, 0);
        
-       ASDCP::JP2K::PictureDescriptor picture_desc;
-       j2k_parser.FillPictureDescriptor (picture_desc);
-       picture_desc.EditRate = ASDCP::Rational (_fps, 1);
+       /* Compare them */
        
-       ASDCP::WriterInfo writer_info;
-       fill_writer_info (&writer_info);
+       vector<int> abs_diffs (image_A->size().width * image_A->size().height * 3);
+       int d = 0;
+       int max_diff = 0;
        
-       ASDCP::JP2K::MXFWriter mxf_writer;
-       if (ASDCP_FAILURE (mxf_writer.OpenWrite (mxf_path().string().c_str(), writer_info, picture_desc))) {
-               throw FileError ("could not open MXF file for writing", mxf_path().string());
-       }
-
-       for (int i = 0; i < _length; ++i) {
-
-               string const path = get_path (i);
+       for (int c = 0; c < 3; ++c) {
                
-               if (ASDCP_FAILURE (j2k_parser.OpenReadFrame (path.c_str(), frame_buffer))) {
-                       throw FileError ("could not open JPEG2000 file for reading", path);
+               if (image_A->size() != image_B->size()) {
+                       note (ERROR, "image sizes for frame " + lexical_cast<string>(frame) + " differ");
+                       return false;
                }
-
-               /* XXX: passing 0 to WriteFrame ok? */
-               if (ASDCP_FAILURE (mxf_writer.WriteFrame (frame_buffer, 0, 0))) {
-                       throw MiscError ("error in writing video MXF");
+               
+               int const pixels = image_A->size().width * image_A->size().height;
+               for (int j = 0; j < pixels; ++j) {
+                       int const t = abs (image_A->data(c)[j] - image_B->data(c)[j]);
+                       abs_diffs[d++] = t;
+                       max_diff = max (max_diff, t);
                }
+       }
                
-               (*_progress) (0.5 * float (i) / _length);
+       uint64_t total = 0;
+       for (vector<int>::iterator j = abs_diffs.begin(); j != abs_diffs.end(); ++j) {
+               total += *j;
        }
        
-       if (ASDCP_FAILURE (mxf_writer.Finalize())) {
-               throw MiscError ("error in finalising video MXF");
+       double const mean = double (total) / abs_diffs.size ();
+       
+       uint64_t total_squared_deviation = 0;
+       for (vector<int>::iterator j = abs_diffs.begin(); j != abs_diffs.end(); ++j) {
+               total_squared_deviation += pow (*j - mean, 2);
        }
-}
-
-void
-PictureAsset::write_to_cpl (ostream& s) const
-{
-       s << "        <MainPicture>\n"
-         << "          <Id>urn:uuid:" << _uuid << "</Id>\n"
-         << "          <AnnotationText>" << _mxf_name << "</AnnotationText>\n"
-         << "          <EditRate>" << _fps << " 1</EditRate>\n"
-         << "          <IntrinsicDuration>" << _length << "</IntrinsicDuration>\n"
-         << "          <EntryPoint>0</EntryPoint>\n"
-         << "          <Duration>" << _length << "</Duration>\n"
-         << "          <FrameRate>" << _fps << " 1</FrameRate>\n"
-         << "          <ScreenAspectRatio>" << _width << " " << _height << "</ScreenAspectRatio>\n"
-         << "        </MainPicture>\n";
-}
-
-list<string>
-PictureAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt) const
-{
-       list<string> notes = Asset::equals (other, opt);
-                    
-       if (opt.flags & MXF_INSPECT) {
-               ASDCP::JP2K::MXFReader reader_A;
-               if (ASDCP_FAILURE (reader_A.OpenRead (mxf_path().string().c_str()))) {
-                       throw FileError ("could not open MXF file for reading", mxf_path().string());
-               }
-
-               ASDCP::JP2K::MXFReader reader_B;
-               if (ASDCP_FAILURE (reader_B.OpenRead (other->mxf_path().string().c_str()))) {
-                       throw FileError ("could not open MXF file for reading", mxf_path().string());
-               }
-
-               ASDCP::JP2K::PictureDescriptor desc_A;
-               if (ASDCP_FAILURE (reader_A.FillPictureDescriptor (desc_A))) {
-                       throw DCPReadError ("could not read video MXF information");
-               }
-               ASDCP::JP2K::PictureDescriptor desc_B;
-               if (ASDCP_FAILURE (reader_B.FillPictureDescriptor (desc_B))) {
-                       throw DCPReadError ("could not read video MXF information");
-               }
-
-               if (
-                       desc_A.EditRate != desc_B.EditRate ||
-                       desc_A.ContainerDuration != desc_B.ContainerDuration ||
-                       desc_A.SampleRate != desc_B.SampleRate ||
-                       desc_A.StoredWidth != desc_B.StoredWidth ||
-                       desc_A.StoredHeight != desc_B.StoredHeight ||
-                       desc_A.AspectRatio != desc_B.AspectRatio ||
-                       desc_A.Rsize != desc_B.Rsize ||
-                       desc_A.Xsize != desc_B.Xsize ||
-                       desc_A.Ysize != desc_B.Ysize ||
-                       desc_A.XOsize != desc_B.XOsize ||
-                       desc_A.YOsize != desc_B.YOsize ||
-                       desc_A.XTsize != desc_B.XTsize ||
-                       desc_A.YTsize != desc_B.YTsize ||
-                       desc_A.XTOsize != desc_B.XTOsize ||
-                       desc_A.YTOsize != desc_B.YTOsize ||
-                       desc_A.Csize != desc_B.Csize
-//                     desc_A.CodingStyleDefault != desc_B.CodingStyleDefault ||
-//                     desc_A.QuantizationDefault != desc_B.QuantizationDefault
-                       ) {
+       
+       double const std_dev = sqrt (double (total_squared_deviation) / abs_diffs.size());
+       
+       note (NOTE, "mean difference " + lexical_cast<string> (mean) + ", deviation " + lexical_cast<string> (std_dev));
+       
+       if (mean > opt.max_mean_pixel_error) {
+               note (
+                       ERROR,
+                       "mean " + lexical_cast<string>(mean) +
+                       " out of range " + lexical_cast<string>(opt.max_mean_pixel_error) +
+                       " in frame " + lexical_cast<string>(frame)
+                       );
                
-                       notes.push_back ("video MXF picture descriptors differ");
-               }
-
-//             for (unsigned int j = 0; j < ASDCP::JP2K::MaxComponents; ++j) {
-//                     if (desc_A.ImageComponents[j] != desc_B.ImageComponents[j]) {
-//                             notes.pack_start ("video MXF picture descriptors differ");
-//                     }
-//             }
-                               
-
-               ASDCP::JP2K::FrameBuffer buffer_A (4 * Kumu::Megabyte);
-               ASDCP::JP2K::FrameBuffer buffer_B (4 * Kumu::Megabyte);
-
-               for (int i = 0; i < _length; ++i) {
-                       if (ASDCP_FAILURE (reader_A.ReadFrame (i, buffer_A))) {
-                               throw DCPReadError ("could not read video frame");
-                       }
-
-                       if (ASDCP_FAILURE (reader_B.ReadFrame (i, buffer_B))) {
-                               throw DCPReadError ("could not read video frame");
-                       }
-
-                       bool j2k_same = true;
-
-                       if (buffer_A.Size() != buffer_B.Size()) {
-                               notes.push_back ("sizes of video data for frame " + lexical_cast<string>(i) + " differ");
-                               j2k_same = false;
-                       } else if (memcmp (buffer_A.RoData(), buffer_B.RoData(), buffer_A.Size()) != 0) {
-                               notes.push_back ("J2K data for frame " + lexical_cast<string>(i) + " differ");
-                               j2k_same = false;
-                       }
-
-                       if (!j2k_same) {
-
-                               if (opt.verbose) {
-                                       cout << "J2K images for " << i << " differ; checking by pixel\n";
-                               }
-                               
-                               /* Decompress the images to bitmaps */
-                               opj_image_t* image_A = decompress_j2k (const_cast<uint8_t*> (buffer_A.RoData()), buffer_A.Size ());
-                               opj_image_t* image_B = decompress_j2k (const_cast<uint8_t*> (buffer_B.RoData()), buffer_B.Size ());
-
-                               /* Compare them */
-                               
-                               if (image_A->numcomps != image_B->numcomps) {
-                                       notes.push_back ("image component counts for frame " + lexical_cast<string>(i) + " differ");
-                               }
-
-                               vector<int> abs_diffs (image_A->comps[0].w * image_A->comps[0].h * image_A->numcomps);
-                               int d = 0;
-                               int max_diff = 0;
-
-                               for (int c = 0; c < image_A->numcomps; ++c) {
-
-                                       if (image_A->comps[c].w != image_B->comps[c].w || image_A->comps[c].h != image_B->comps[c].h) {
-                                               notes.push_back ("image sizes for frame " + lexical_cast<string>(i) + " differ");
-                                       }
-
-                                       int const pixels = image_A->comps[c].w * image_A->comps[c].h;
-                                       for (int j = 0; j < pixels; ++j) {
-                                               int const t = abs (image_A->comps[c].data[j] - image_B->comps[c].data[j]);
-                                               abs_diffs[d++] = t;
-                                               max_diff = max (max_diff, t);
-                                       }
-                               }
-
-                               uint64_t total = 0;
-                               for (vector<int>::iterator j = abs_diffs.begin(); j != abs_diffs.end(); ++j) {
-                                       total += *j;
-                               }
-
-                               double const mean = double (total) / abs_diffs.size ();
-
-                               uint64_t total_squared_deviation = 0;
-                               for (vector<int>::iterator j = abs_diffs.begin(); j != abs_diffs.end(); ++j) {
-                                       total_squared_deviation += pow (*j - mean, 2);
-                               }
-
-                               double const std_dev = sqrt (double (total_squared_deviation) / abs_diffs.size());
-
-                               if (mean > opt.max_mean_pixel_error || std_dev > opt.max_std_dev_pixel_error) {
-                                       notes.push_back ("mean or standard deviation out of range for " + lexical_cast<string>(i));
-                               }
-
-                               if (opt.verbose) {
-                                       cout << "\tmax pixel error " << max_diff << ", mean pixel error " << mean << ", standard deviation " << std_dev << "\n";
-                               }
+               return false;
+       }
 
-                               opj_image_destroy (image_A);
-                               opj_image_destroy (image_B);
-                       }
-               }
+       if (std_dev > opt.max_std_dev_pixel_error) {
+               note (
+                       ERROR,
+                       "standard deviation " + lexical_cast<string>(std_dev) +
+                       " out of range " + lexical_cast<string>(opt.max_std_dev_pixel_error) +
+                       " in frame " + lexical_cast<string>(frame)
+                       );
+               
+               return false;
        }
 
-       return notes;
+       return true;
 }
 
-opj_image_t *
-PictureAsset::decompress_j2k (uint8_t* data, int64_t size) const
+string
+PictureAsset::key_type () const
 {
-       opj_dinfo_t* decoder = opj_create_decompress (CODEC_J2K);
-       opj_dparameters_t parameters;
-       opj_set_default_decoder_parameters (&parameters);
-       opj_setup_decoder (decoder, &parameters);
-       opj_cio_t* cio = opj_cio_open ((opj_common_ptr) decoder, data, size);
-       opj_image_t* image = opj_decode (decoder, cio);
-       if (!image) {
-               opj_destroy_decompress (decoder);
-               opj_cio_close (cio);
-               throw DCPReadError ("could not decode JPEG2000 codestream");
-       }
-
-       opj_cio_close (cio);
-       return image;
+       return "MDIK";
 }
+
+
+