2 Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 /** @file src/picture_asset.cc
21 * @brief An asset made up of JPEG2000 files
29 #include <boost/filesystem.hpp>
30 #include <boost/lexical_cast.hpp>
33 #include "KM_fileio.h"
34 #include "picture_asset.h"
36 #include "exceptions.h"
37 #include "picture_frame.h"
40 using namespace boost;
41 using namespace libdcp;
43 PictureAsset::PictureAsset (string directory, string mxf_name, sigc::signal1<void, float>* progress, int fps, int entry_point, int length)
44 : MXFAsset (directory, mxf_name, progress, fps, entry_point, length)
52 PictureAsset::write_to_cpl (ostream& s) const
54 s << " <MainPicture>\n"
55 << " <Id>urn:uuid:" << _uuid << "</Id>\n"
56 << " <AnnotationText>" << _file_name << "</AnnotationText>\n"
57 << " <EditRate>" << _fps << " 1</EditRate>\n"
58 << " <IntrinsicDuration>" << _length << "</IntrinsicDuration>\n"
59 << " <EntryPoint>0</EntryPoint>\n"
60 << " <Duration>" << _length << "</Duration>\n"
61 << " <FrameRate>" << _fps << " 1</FrameRate>\n"
62 << " <ScreenAspectRatio>" << _width << " " << _height << "</ScreenAspectRatio>\n"
63 << " </MainPicture>\n";
67 PictureAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt) const
69 list<string> notes = MXFAsset::equals (other, opt);
71 if (opt.flags & MXF_INSPECT) {
72 ASDCP::JP2K::MXFReader reader_A;
73 if (ASDCP_FAILURE (reader_A.OpenRead (path().string().c_str()))) {
74 throw MXFFileError ("could not open MXF file for reading", path().string());
77 ASDCP::JP2K::MXFReader reader_B;
78 if (ASDCP_FAILURE (reader_B.OpenRead (other->path().string().c_str()))) {
79 throw MXFFileError ("could not open MXF file for reading", path().string());
82 ASDCP::JP2K::PictureDescriptor desc_A;
83 if (ASDCP_FAILURE (reader_A.FillPictureDescriptor (desc_A))) {
84 throw DCPReadError ("could not read video MXF information");
86 ASDCP::JP2K::PictureDescriptor desc_B;
87 if (ASDCP_FAILURE (reader_B.FillPictureDescriptor (desc_B))) {
88 throw DCPReadError ("could not read video MXF information");
92 desc_A.EditRate != desc_B.EditRate ||
93 desc_A.ContainerDuration != desc_B.ContainerDuration ||
94 desc_A.SampleRate != desc_B.SampleRate ||
95 desc_A.StoredWidth != desc_B.StoredWidth ||
96 desc_A.StoredHeight != desc_B.StoredHeight ||
97 desc_A.AspectRatio != desc_B.AspectRatio ||
98 desc_A.Rsize != desc_B.Rsize ||
99 desc_A.Xsize != desc_B.Xsize ||
100 desc_A.Ysize != desc_B.Ysize ||
101 desc_A.XOsize != desc_B.XOsize ||
102 desc_A.YOsize != desc_B.YOsize ||
103 desc_A.XTsize != desc_B.XTsize ||
104 desc_A.YTsize != desc_B.YTsize ||
105 desc_A.XTOsize != desc_B.XTOsize ||
106 desc_A.YTOsize != desc_B.YTOsize ||
107 desc_A.Csize != desc_B.Csize
108 // desc_A.CodingStyleDefault != desc_B.CodingStyleDefault ||
109 // desc_A.QuantizationDefault != desc_B.QuantizationDefault
112 notes.push_back ("video MXF picture descriptors differ");
115 // for (unsigned int j = 0; j < ASDCP::JP2K::MaxComponents; ++j) {
116 // if (desc_A.ImageComponents[j] != desc_B.ImageComponents[j]) {
117 // notes.pack_start ("video MXF picture descriptors differ");
126 MonoPictureAsset::MonoPictureAsset (
127 sigc::slot<string, int> get_path,
130 sigc::signal1<void, float>* progress,
135 : PictureAsset (directory, mxf_name, progress, fps, 0, length)
139 construct (get_path);
142 MonoPictureAsset::MonoPictureAsset (
143 vector<string> const & files,
146 sigc::signal1<void, float>* progress,
151 : PictureAsset (directory, mxf_name, progress, fps, 0, length)
155 construct (sigc::bind (sigc::mem_fun (*this, &MonoPictureAsset::path_from_list), files));
158 MonoPictureAsset::MonoPictureAsset (string directory, string mxf_name, int fps, int entry_point, int length)
159 : PictureAsset (directory, mxf_name, 0, fps, entry_point, length)
161 ASDCP::JP2K::MXFReader reader;
162 if (ASDCP_FAILURE (reader.OpenRead (path().string().c_str()))) {
163 throw MXFFileError ("could not open MXF file for reading", path().string());
166 ASDCP::JP2K::PictureDescriptor desc;
167 if (ASDCP_FAILURE (reader.FillPictureDescriptor (desc))) {
168 throw DCPReadError ("could not read video MXF information");
171 _width = desc.StoredWidth;
172 _height = desc.StoredHeight;
176 MonoPictureAsset::construct (sigc::slot<string, int> get_path)
178 ASDCP::JP2K::CodestreamParser j2k_parser;
179 ASDCP::JP2K::FrameBuffer frame_buffer (4 * Kumu::Megabyte);
180 if (ASDCP_FAILURE (j2k_parser.OpenReadFrame (get_path(0).c_str(), frame_buffer))) {
181 throw FileError ("could not open JPEG2000 file for reading", get_path (0));
184 ASDCP::JP2K::PictureDescriptor picture_desc;
185 j2k_parser.FillPictureDescriptor (picture_desc);
186 picture_desc.EditRate = ASDCP::Rational (_fps, 1);
188 ASDCP::WriterInfo writer_info;
189 fill_writer_info (&writer_info);
191 ASDCP::JP2K::MXFWriter mxf_writer;
192 if (ASDCP_FAILURE (mxf_writer.OpenWrite (path().string().c_str(), writer_info, picture_desc))) {
193 throw MXFFileError ("could not open MXF file for writing", path().string());
196 for (int i = 0; i < _length; ++i) {
198 string const path = get_path (i);
200 if (ASDCP_FAILURE (j2k_parser.OpenReadFrame (path.c_str(), frame_buffer))) {
201 throw FileError ("could not open JPEG2000 file for reading", path);
204 /* XXX: passing 0 to WriteFrame ok? */
205 if (ASDCP_FAILURE (mxf_writer.WriteFrame (frame_buffer, 0, 0))) {
206 throw MiscError ("error in writing video MXF");
210 (*_progress) (0.5 * float (i) / _length);
214 if (ASDCP_FAILURE (mxf_writer.Finalize())) {
215 throw MiscError ("error in finalising video MXF");
220 MonoPictureAsset::path_from_list (int f, vector<string> const & files) const
225 shared_ptr<const MonoPictureFrame>
226 MonoPictureAsset::get_frame (int n) const
228 return shared_ptr<const MonoPictureFrame> (new MonoPictureFrame (path().string(), n + _entry_point));
233 MonoPictureAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt) const
235 list<string> notes = PictureAsset::equals (other, opt);
237 shared_ptr<const MonoPictureAsset> other_picture = dynamic_pointer_cast<const MonoPictureAsset> (other);
238 assert (other_picture);
240 for (int i = 0; i < _length; ++i) {
241 shared_ptr<const MonoPictureFrame> frame_A = get_frame (i);
242 shared_ptr<const MonoPictureFrame> frame_B = other_picture->get_frame (i);
244 list<string> n = frame_buffer_equals (
246 frame_A->j2k_frame()->RoData(), frame_A->j2k_frame()->Size(),
247 frame_B->j2k_frame()->RoData(), frame_B->j2k_frame()->Size()
257 StereoPictureAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt) const
259 list<string> notes = PictureAsset::equals (other, opt);
261 shared_ptr<const StereoPictureAsset> other_picture = dynamic_pointer_cast<const StereoPictureAsset> (other);
262 assert (other_picture);
264 for (int i = 0; i < _length; ++i) {
265 shared_ptr<const StereoPictureFrame> frame_A = get_frame (i);
266 shared_ptr<const StereoPictureFrame> frame_B = other_picture->get_frame (i);
268 list<string> n = frame_buffer_equals (
270 frame_A->j2k_frame()->Left.RoData(), frame_A->j2k_frame()->Left.Size(),
271 frame_B->j2k_frame()->Left.RoData(), frame_B->j2k_frame()->Left.Size()
276 n = frame_buffer_equals (
278 frame_A->j2k_frame()->Right.RoData(), frame_A->j2k_frame()->Right.Size(),
279 frame_B->j2k_frame()->Right.RoData(), frame_B->j2k_frame()->Right.Size()
289 PictureAsset::frame_buffer_equals (
290 int frame, EqualityOptions opt, uint8_t const * data_A, unsigned int size_A, uint8_t const * data_B, unsigned int size_B
295 bool j2k_same = true;
296 if (size_A != size_B) {
297 notes.push_back ("sizes of video data for frame " + lexical_cast<string>(frame) + " differ");
299 } else if (memcmp (data_A, data_B, size_A) != 0) {
300 notes.push_back ("J2K data for frame " + lexical_cast<string>(frame) + " differ");
307 cout << "J2K images for " << frame << " differ; checking by pixel\n";
310 /* Decompress the images to bitmaps */
311 opj_image_t* image_A = decompress_j2k (const_cast<uint8_t*> (data_A), size_A, 0);
312 opj_image_t* image_B = decompress_j2k (const_cast<uint8_t*> (data_B), size_B, 0);
316 if (image_A->numcomps != image_B->numcomps) {
317 notes.push_back ("image component counts for frame " + lexical_cast<string>(frame) + " differ");
320 vector<int> abs_diffs (image_A->comps[0].w * image_A->comps[0].h * image_A->numcomps);
324 for (int c = 0; c < image_A->numcomps; ++c) {
326 if (image_A->comps[c].w != image_B->comps[c].w || image_A->comps[c].h != image_B->comps[c].h) {
327 notes.push_back ("image sizes for frame " + lexical_cast<string>(frame) + " differ");
330 int const pixels = image_A->comps[c].w * image_A->comps[c].h;
331 for (int j = 0; j < pixels; ++j) {
332 int const t = abs (image_A->comps[c].data[j] - image_B->comps[c].data[j]);
334 max_diff = max (max_diff, t);
339 for (vector<int>::iterator j = abs_diffs.begin(); j != abs_diffs.end(); ++j) {
343 double const mean = double (total) / abs_diffs.size ();
345 uint64_t total_squared_deviation = 0;
346 for (vector<int>::iterator j = abs_diffs.begin(); j != abs_diffs.end(); ++j) {
347 total_squared_deviation += pow (*j - mean, 2);
350 double const std_dev = sqrt (double (total_squared_deviation) / abs_diffs.size());
352 if (mean > opt.max_mean_pixel_error || std_dev > opt.max_std_dev_pixel_error) {
353 notes.push_back ("mean or standard deviation out of range for " + lexical_cast<string>(frame));
357 cout << "\tmax pixel error " << max_diff << ", mean pixel error " << mean << ", standard deviation " << std_dev << "\n";
360 opj_image_destroy (image_A);
361 opj_image_destroy (image_B);
368 StereoPictureAsset::StereoPictureAsset (string directory, string mxf_name, int fps, int entry_point, int length)
369 : PictureAsset (directory, mxf_name, 0, fps, entry_point, length)
371 ASDCP::JP2K::MXFSReader reader;
372 if (ASDCP_FAILURE (reader.OpenRead (path().string().c_str()))) {
373 throw MXFFileError ("could not open MXF file for reading", path().string());
376 ASDCP::JP2K::PictureDescriptor desc;
377 if (ASDCP_FAILURE (reader.FillPictureDescriptor (desc))) {
378 throw DCPReadError ("could not read video MXF information");
381 _width = desc.StoredWidth;
382 _height = desc.StoredHeight;
385 shared_ptr<const StereoPictureFrame>
386 StereoPictureAsset::get_frame (int n) const
388 return shared_ptr<const StereoPictureFrame> (new StereoPictureFrame (path().string(), n + _entry_point));