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"
44 using boost::shared_ptr;
45 using boost::dynamic_pointer_cast;
46 using boost::lexical_cast;
47 using namespace libdcp;
49 PictureAsset::PictureAsset (string directory, string mxf_name, boost::signals2::signal<void (float)>* progress, int fps, int intrinsic_duration)
50 : MXFAsset (directory, mxf_name, progress, fps, intrinsic_duration)
56 PictureAsset::write_to_cpl (ostream& s) const
58 s << " <MainPicture>\n"
59 << " <Id>urn:uuid:" << _uuid << "</Id>\n"
60 << " <AnnotationText>" << _file_name << "</AnnotationText>\n"
61 << " <EditRate>" << _fps << " 1</EditRate>\n"
62 << " <IntrinsicDuration>" << _intrinsic_duration << "</IntrinsicDuration>\n"
63 << " <EntryPoint>" << _entry_point << "</EntryPoint>\n"
64 << " <Duration>" << _duration << "</Duration>\n"
65 << " <FrameRate>" << _fps << " 1</FrameRate>\n"
66 << " <ScreenAspectRatio>" << _size.width << " " << _size.height << "</ScreenAspectRatio>\n"
67 << " </MainPicture>\n";
71 PictureAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt, list<string>& notes) const
73 if (!MXFAsset::equals (other, opt, notes)) {
77 ASDCP::JP2K::MXFReader reader_A;
78 if (ASDCP_FAILURE (reader_A.OpenRead (path().string().c_str()))) {
79 throw MXFFileError ("could not open MXF file for reading", path().string());
82 ASDCP::JP2K::MXFReader reader_B;
83 if (ASDCP_FAILURE (reader_B.OpenRead (other->path().string().c_str()))) {
84 throw MXFFileError ("could not open MXF file for reading", path().string());
87 ASDCP::JP2K::PictureDescriptor desc_A;
88 if (ASDCP_FAILURE (reader_A.FillPictureDescriptor (desc_A))) {
89 throw DCPReadError ("could not read video MXF information");
91 ASDCP::JP2K::PictureDescriptor desc_B;
92 if (ASDCP_FAILURE (reader_B.FillPictureDescriptor (desc_B))) {
93 throw DCPReadError ("could not read video MXF information");
97 desc_A.EditRate != desc_B.EditRate ||
98 desc_A.ContainerDuration != desc_B.ContainerDuration ||
99 desc_A.SampleRate != desc_B.SampleRate ||
100 desc_A.StoredWidth != desc_B.StoredWidth ||
101 desc_A.StoredHeight != desc_B.StoredHeight ||
102 desc_A.AspectRatio != desc_B.AspectRatio ||
103 desc_A.Rsize != desc_B.Rsize ||
104 desc_A.Xsize != desc_B.Xsize ||
105 desc_A.Ysize != desc_B.Ysize ||
106 desc_A.XOsize != desc_B.XOsize ||
107 desc_A.YOsize != desc_B.YOsize ||
108 desc_A.XTsize != desc_B.XTsize ||
109 desc_A.YTsize != desc_B.YTsize ||
110 desc_A.XTOsize != desc_B.XTOsize ||
111 desc_A.YTOsize != desc_B.YTOsize ||
112 desc_A.Csize != desc_B.Csize
113 // desc_A.CodingStyleDefault != desc_B.CodingStyleDefault ||
114 // desc_A.QuantizationDefault != desc_B.QuantizationDefault
117 notes.push_back ("video MXF picture descriptors differ");
121 // for (unsigned int j = 0; j < ASDCP::JP2K::MaxComponents; ++j) {
122 // if (desc_A.ImageComponents[j] != desc_B.ImageComponents[j]) {
123 // notes.pack_start ("video MXF picture descriptors differ");
131 MonoPictureAsset::MonoPictureAsset (
132 boost::function<string (int)> get_path,
135 boost::signals2::signal<void (float)>* progress,
137 int intrinsic_duration,
139 : PictureAsset (directory, mxf_name, progress, fps, intrinsic_duration)
142 construct (get_path);
145 MonoPictureAsset::MonoPictureAsset (
146 vector<string> const & files,
149 boost::signals2::signal<void (float)>* progress,
151 int intrinsic_duration,
153 : PictureAsset (directory, mxf_name, progress, fps, intrinsic_duration)
156 construct (boost::bind (&MonoPictureAsset::path_from_list, this, _1, files));
159 MonoPictureAsset::MonoPictureAsset (string directory, string mxf_name, int fps, int intrinsic_duration)
160 : PictureAsset (directory, mxf_name, 0, fps, intrinsic_duration)
162 ASDCP::JP2K::MXFReader reader;
163 if (ASDCP_FAILURE (reader.OpenRead (path().string().c_str()))) {
164 throw MXFFileError ("could not open MXF file for reading", path().string());
167 ASDCP::JP2K::PictureDescriptor desc;
168 if (ASDCP_FAILURE (reader.FillPictureDescriptor (desc))) {
169 throw DCPReadError ("could not read video MXF information");
172 _size.width = desc.StoredWidth;
173 _size.height = desc.StoredHeight;
177 MonoPictureAsset::construct (boost::function<string (int)> get_path)
179 ASDCP::JP2K::CodestreamParser j2k_parser;
180 ASDCP::JP2K::FrameBuffer frame_buffer (4 * Kumu::Megabyte);
181 if (ASDCP_FAILURE (j2k_parser.OpenReadFrame (get_path(0).c_str(), frame_buffer))) {
182 throw FileError ("could not open JPEG2000 file for reading", get_path (0));
185 ASDCP::JP2K::PictureDescriptor picture_desc;
186 j2k_parser.FillPictureDescriptor (picture_desc);
187 picture_desc.EditRate = ASDCP::Rational (_fps, 1);
189 ASDCP::WriterInfo writer_info;
190 fill_writer_info (&writer_info);
192 ASDCP::JP2K::MXFWriter mxf_writer;
193 if (ASDCP_FAILURE (mxf_writer.OpenWrite (path().string().c_str(), writer_info, picture_desc))) {
194 throw MXFFileError ("could not open MXF file for writing", path().string());
197 for (int i = 0; i < _intrinsic_duration; ++i) {
199 string const path = get_path (i);
201 if (ASDCP_FAILURE (j2k_parser.OpenReadFrame (path.c_str(), frame_buffer))) {
202 throw FileError ("could not open JPEG2000 file for reading", path);
205 /* XXX: passing 0 to WriteFrame ok? */
206 if (ASDCP_FAILURE (mxf_writer.WriteFrame (frame_buffer, 0, 0))) {
207 throw MiscError ("error in writing video MXF");
211 (*_progress) (0.5 * float (i) / _intrinsic_duration);
215 if (ASDCP_FAILURE (mxf_writer.Finalize())) {
216 throw MiscError ("error in finalising video MXF");
221 MonoPictureAsset::path_from_list (int f, vector<string> const & files) const
226 shared_ptr<const MonoPictureFrame>
227 MonoPictureAsset::get_frame (int n) const
229 return shared_ptr<const MonoPictureFrame> (new MonoPictureFrame (path().string(), n + _entry_point));
234 MonoPictureAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt, list<string>& notes) const
236 if (!PictureAsset::equals (other, opt, notes)) {
240 shared_ptr<const MonoPictureAsset> other_picture = dynamic_pointer_cast<const MonoPictureAsset> (other);
241 assert (other_picture);
243 for (int i = 0; i < _intrinsic_duration; ++i) {
244 shared_ptr<const MonoPictureFrame> frame_A = get_frame (i);
245 shared_ptr<const MonoPictureFrame> frame_B = other_picture->get_frame (i);
247 if (!frame_buffer_equals (
249 frame_A->j2k_frame()->RoData(), frame_A->j2k_frame()->Size(),
250 frame_B->j2k_frame()->RoData(), frame_B->j2k_frame()->Size()
260 StereoPictureAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt, list<string>& notes) const
262 if (!PictureAsset::equals (other, opt, notes)) {
266 shared_ptr<const StereoPictureAsset> other_picture = dynamic_pointer_cast<const StereoPictureAsset> (other);
267 assert (other_picture);
269 for (int i = 0; i < _intrinsic_duration; ++i) {
270 shared_ptr<const StereoPictureFrame> frame_A = get_frame (i);
271 shared_ptr<const StereoPictureFrame> frame_B = other_picture->get_frame (i);
273 if (!frame_buffer_equals (
275 frame_A->j2k_frame()->Left.RoData(), frame_A->j2k_frame()->Left.Size(),
276 frame_B->j2k_frame()->Left.RoData(), frame_B->j2k_frame()->Left.Size()
281 if (!frame_buffer_equals (
283 frame_A->j2k_frame()->Right.RoData(), frame_A->j2k_frame()->Right.Size(),
284 frame_B->j2k_frame()->Right.RoData(), frame_B->j2k_frame()->Right.Size()
294 PictureAsset::frame_buffer_equals (
295 int frame, EqualityOptions opt, list<string>& notes, uint8_t const * data_A, unsigned int size_A, uint8_t const * data_B, unsigned int size_B
298 if (size_A == size_B && memcmp (data_A, data_B, size_A) == 0) {
299 /* Easy result; the J2K data is identical */
303 /* Decompress the images to bitmaps */
304 opj_image_t* image_A = decompress_j2k (const_cast<uint8_t*> (data_A), size_A, 0);
305 opj_image_t* image_B = decompress_j2k (const_cast<uint8_t*> (data_B), size_B, 0);
309 if (image_A->numcomps != image_B->numcomps) {
310 notes.push_back ("image component counts for frame " + lexical_cast<string>(frame) + " differ");
314 vector<int> abs_diffs (image_A->comps[0].w * image_A->comps[0].h * image_A->numcomps);
318 for (int c = 0; c < image_A->numcomps; ++c) {
320 if (image_A->comps[c].w != image_B->comps[c].w || image_A->comps[c].h != image_B->comps[c].h) {
321 notes.push_back ("image sizes for frame " + lexical_cast<string>(frame) + " differ");
325 int const pixels = image_A->comps[c].w * image_A->comps[c].h;
326 for (int j = 0; j < pixels; ++j) {
327 int const t = abs (image_A->comps[c].data[j] - image_B->comps[c].data[j]);
329 max_diff = max (max_diff, t);
334 for (vector<int>::iterator j = abs_diffs.begin(); j != abs_diffs.end(); ++j) {
338 double const mean = double (total) / abs_diffs.size ();
340 uint64_t total_squared_deviation = 0;
341 for (vector<int>::iterator j = abs_diffs.begin(); j != abs_diffs.end(); ++j) {
342 total_squared_deviation += pow (*j - mean, 2);
345 double const std_dev = sqrt (double (total_squared_deviation) / abs_diffs.size());
347 if (mean > opt.max_mean_pixel_error || std_dev > opt.max_std_dev_pixel_error) {
348 notes.push_back ("mean or standard deviation out of range for " + lexical_cast<string>(frame));
352 opj_image_destroy (image_A);
353 opj_image_destroy (image_B);
359 StereoPictureAsset::StereoPictureAsset (string directory, string mxf_name, int fps, int intrinsic_duration)
360 : PictureAsset (directory, mxf_name, 0, fps, intrinsic_duration)
362 ASDCP::JP2K::MXFSReader reader;
363 if (ASDCP_FAILURE (reader.OpenRead (path().string().c_str()))) {
364 throw MXFFileError ("could not open MXF file for reading", path().string());
367 ASDCP::JP2K::PictureDescriptor desc;
368 if (ASDCP_FAILURE (reader.FillPictureDescriptor (desc))) {
369 throw DCPReadError ("could not read video MXF information");
372 _size.width = desc.StoredWidth;
373 _size.height = desc.StoredHeight;
376 shared_ptr<const StereoPictureFrame>
377 StereoPictureAsset::get_frame (int n) const
379 return shared_ptr<const StereoPictureFrame> (new StereoPictureFrame (path().string(), n + _entry_point));