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, Size size)
50 : MXFAsset (directory, mxf_name, progress, fps, intrinsic_duration)
57 PictureAsset::write_to_cpl (ostream& s) const
59 s << " <MainPicture>\n"
60 << " <Id>urn:uuid:" << _uuid << "</Id>\n"
61 << " <AnnotationText>" << _file_name << "</AnnotationText>\n"
62 << " <EditRate>" << _fps << " 1</EditRate>\n"
63 << " <IntrinsicDuration>" << _intrinsic_duration << "</IntrinsicDuration>\n"
64 << " <EntryPoint>" << _entry_point << "</EntryPoint>\n"
65 << " <Duration>" << _duration << "</Duration>\n"
66 << " <FrameRate>" << _fps << " 1</FrameRate>\n"
67 << " <ScreenAspectRatio>" << _size.width << " " << _size.height << "</ScreenAspectRatio>\n"
68 << " </MainPicture>\n";
72 PictureAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt, list<string>& notes) const
74 if (!MXFAsset::equals (other, opt, notes)) {
78 ASDCP::JP2K::MXFReader reader_A;
79 if (ASDCP_FAILURE (reader_A.OpenRead (path().string().c_str()))) {
80 throw MXFFileError ("could not open MXF file for reading", path().string());
83 ASDCP::JP2K::MXFReader reader_B;
84 if (ASDCP_FAILURE (reader_B.OpenRead (other->path().string().c_str()))) {
85 throw MXFFileError ("could not open MXF file for reading", path().string());
88 ASDCP::JP2K::PictureDescriptor desc_A;
89 if (ASDCP_FAILURE (reader_A.FillPictureDescriptor (desc_A))) {
90 throw DCPReadError ("could not read video MXF information");
92 ASDCP::JP2K::PictureDescriptor desc_B;
93 if (ASDCP_FAILURE (reader_B.FillPictureDescriptor (desc_B))) {
94 throw DCPReadError ("could not read video MXF information");
98 desc_A.EditRate != desc_B.EditRate ||
99 desc_A.ContainerDuration != desc_B.ContainerDuration ||
100 desc_A.SampleRate != desc_B.SampleRate ||
101 desc_A.StoredWidth != desc_B.StoredWidth ||
102 desc_A.StoredHeight != desc_B.StoredHeight ||
103 desc_A.AspectRatio != desc_B.AspectRatio ||
104 desc_A.Rsize != desc_B.Rsize ||
105 desc_A.Xsize != desc_B.Xsize ||
106 desc_A.Ysize != desc_B.Ysize ||
107 desc_A.XOsize != desc_B.XOsize ||
108 desc_A.YOsize != desc_B.YOsize ||
109 desc_A.XTsize != desc_B.XTsize ||
110 desc_A.YTsize != desc_B.YTsize ||
111 desc_A.XTOsize != desc_B.XTOsize ||
112 desc_A.YTOsize != desc_B.YTOsize ||
113 desc_A.Csize != desc_B.Csize
114 // desc_A.CodingStyleDefault != desc_B.CodingStyleDefault ||
115 // desc_A.QuantizationDefault != desc_B.QuantizationDefault
118 notes.push_back ("video MXF picture descriptors differ");
122 // for (unsigned int j = 0; j < ASDCP::JP2K::MaxComponents; ++j) {
123 // if (desc_A.ImageComponents[j] != desc_B.ImageComponents[j]) {
124 // notes.pack_start ("video MXF picture descriptors differ");
132 MonoPictureAsset::MonoPictureAsset (
133 boost::function<string (int)> get_path,
136 boost::signals2::signal<void (float)>* progress,
138 int intrinsic_duration,
140 : PictureAsset (directory, mxf_name, progress, fps, intrinsic_duration, size)
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, size)
155 construct (boost::bind (&MonoPictureAsset::path_from_list, this, _1, files));
158 MonoPictureAsset::MonoPictureAsset (string directory, string mxf_name, int fps, Size size)
159 : PictureAsset (directory, mxf_name, 0, fps, 0, size)
164 MonoPictureAsset::MonoPictureAsset (string directory, string mxf_name, int fps, int intrinsic_duration)
165 : PictureAsset (directory, mxf_name, 0, fps, intrinsic_duration, Size (0, 0))
167 ASDCP::JP2K::MXFReader reader;
168 if (ASDCP_FAILURE (reader.OpenRead (path().string().c_str()))) {
169 throw MXFFileError ("could not open MXF file for reading", path().string());
172 ASDCP::JP2K::PictureDescriptor desc;
173 if (ASDCP_FAILURE (reader.FillPictureDescriptor (desc))) {
174 throw DCPReadError ("could not read video MXF information");
177 _size.width = desc.StoredWidth;
178 _size.height = desc.StoredHeight;
182 MonoPictureAsset::construct (boost::function<string (int)> get_path)
184 ASDCP::JP2K::CodestreamParser j2k_parser;
185 ASDCP::JP2K::FrameBuffer frame_buffer (4 * Kumu::Megabyte);
186 if (ASDCP_FAILURE (j2k_parser.OpenReadFrame (get_path(0).c_str(), frame_buffer))) {
187 throw FileError ("could not open JPEG2000 file for reading", get_path (0));
190 ASDCP::JP2K::PictureDescriptor picture_desc;
191 j2k_parser.FillPictureDescriptor (picture_desc);
192 picture_desc.EditRate = ASDCP::Rational (_fps, 1);
194 ASDCP::WriterInfo writer_info;
195 fill_writer_info (&writer_info, _uuid);
197 ASDCP::JP2K::MXFWriter mxf_writer;
198 if (ASDCP_FAILURE (mxf_writer.OpenWrite (path().string().c_str(), writer_info, picture_desc))) {
199 throw MXFFileError ("could not open MXF file for writing", path().string());
202 for (int i = 0; i < _intrinsic_duration; ++i) {
204 string const path = get_path (i);
206 if (ASDCP_FAILURE (j2k_parser.OpenReadFrame (path.c_str(), frame_buffer))) {
207 throw FileError ("could not open JPEG2000 file for reading", path);
210 /* XXX: passing 0 to WriteFrame ok? */
211 if (ASDCP_FAILURE (mxf_writer.WriteFrame (frame_buffer, 0, 0))) {
212 throw MiscError ("error in writing video MXF");
216 (*_progress) (0.5 * float (i) / _intrinsic_duration);
220 if (ASDCP_FAILURE (mxf_writer.Finalize())) {
221 throw MiscError ("error in finalising video MXF");
226 MonoPictureAsset::path_from_list (int f, vector<string> const & files) const
231 shared_ptr<const MonoPictureFrame>
232 MonoPictureAsset::get_frame (int n) const
234 return shared_ptr<const MonoPictureFrame> (new MonoPictureFrame (path().string(), n + _entry_point));
239 MonoPictureAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt, list<string>& notes) const
241 if (!PictureAsset::equals (other, opt, notes)) {
245 shared_ptr<const MonoPictureAsset> other_picture = dynamic_pointer_cast<const MonoPictureAsset> (other);
246 assert (other_picture);
248 for (int i = 0; i < _intrinsic_duration; ++i) {
249 shared_ptr<const MonoPictureFrame> frame_A = get_frame (i);
250 shared_ptr<const MonoPictureFrame> frame_B = other_picture->get_frame (i);
252 if (!frame_buffer_equals (
254 frame_A->j2k_frame()->RoData(), frame_A->j2k_frame()->Size(),
255 frame_B->j2k_frame()->RoData(), frame_B->j2k_frame()->Size()
265 StereoPictureAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt, list<string>& notes) const
267 if (!PictureAsset::equals (other, opt, notes)) {
271 shared_ptr<const StereoPictureAsset> other_picture = dynamic_pointer_cast<const StereoPictureAsset> (other);
272 assert (other_picture);
274 for (int i = 0; i < _intrinsic_duration; ++i) {
275 shared_ptr<const StereoPictureFrame> frame_A = get_frame (i);
276 shared_ptr<const StereoPictureFrame> frame_B = other_picture->get_frame (i);
278 if (!frame_buffer_equals (
280 frame_A->j2k_frame()->Left.RoData(), frame_A->j2k_frame()->Left.Size(),
281 frame_B->j2k_frame()->Left.RoData(), frame_B->j2k_frame()->Left.Size()
286 if (!frame_buffer_equals (
288 frame_A->j2k_frame()->Right.RoData(), frame_A->j2k_frame()->Right.Size(),
289 frame_B->j2k_frame()->Right.RoData(), frame_B->j2k_frame()->Right.Size()
299 PictureAsset::frame_buffer_equals (
300 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
303 if (size_A == size_B && memcmp (data_A, data_B, size_A) == 0) {
304 /* Easy result; the J2K data is identical */
308 /* Decompress the images to bitmaps */
309 opj_image_t* image_A = decompress_j2k (const_cast<uint8_t*> (data_A), size_A, 0);
310 opj_image_t* image_B = decompress_j2k (const_cast<uint8_t*> (data_B), size_B, 0);
314 if (image_A->numcomps != image_B->numcomps) {
315 notes.push_back ("image component counts for frame " + lexical_cast<string>(frame) + " differ");
319 vector<int> abs_diffs (image_A->comps[0].w * image_A->comps[0].h * image_A->numcomps);
323 for (int c = 0; c < image_A->numcomps; ++c) {
325 if (image_A->comps[c].w != image_B->comps[c].w || image_A->comps[c].h != image_B->comps[c].h) {
326 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 opj_image_destroy (image_A);
358 opj_image_destroy (image_B);
364 StereoPictureAsset::StereoPictureAsset (string directory, string mxf_name, int fps, int intrinsic_duration)
365 : PictureAsset (directory, mxf_name, 0, fps, intrinsic_duration, Size (0, 0))
367 ASDCP::JP2K::MXFSReader reader;
368 if (ASDCP_FAILURE (reader.OpenRead (path().string().c_str()))) {
369 throw MXFFileError ("could not open MXF file for reading", path().string());
372 ASDCP::JP2K::PictureDescriptor desc;
373 if (ASDCP_FAILURE (reader.FillPictureDescriptor (desc))) {
374 throw DCPReadError ("could not read video MXF information");
377 _size.width = desc.StoredWidth;
378 _size.height = desc.StoredHeight;
381 shared_ptr<const StereoPictureFrame>
382 StereoPictureAsset::get_frame (int n) const
384 return shared_ptr<const StereoPictureFrame> (new StereoPictureFrame (path().string(), n + _entry_point));
387 shared_ptr<MonoPictureAssetWriter>
388 MonoPictureAsset::start_write ()
390 /* XXX: can't we use a shared_ptr here? */
391 return shared_ptr<MonoPictureAssetWriter> (new MonoPictureAssetWriter (this));
394 MonoPictureAssetWriter::MonoPictureAssetWriter (MonoPictureAsset* a)
395 : _frame_buffer (4 * Kumu::Megabyte)
397 , _frames_written (0)
404 MonoPictureAssetWriter::write (uint8_t* data, int size)
406 if (ASDCP_FAILURE (_j2k_parser.OpenReadFrame (data, size, _frame_buffer))) {
407 throw MiscError ("could not parse J2K frame");
410 if (_frames_written == 0) {
411 _j2k_parser.FillPictureDescriptor (_picture_descriptor);
412 _picture_descriptor.EditRate = ASDCP::Rational (_asset->frames_per_second(), 1);
414 MXFAsset::fill_writer_info (&_writer_info, _asset->uuid());
416 if (ASDCP_FAILURE (_mxf_writer.OpenWrite (_asset->path().c_str(), _writer_info, _picture_descriptor))) {
417 throw MXFFileError ("could not open MXF file for writing", _asset->path().string());
421 if (ASDCP_FAILURE (_mxf_writer.WriteFrame (_frame_buffer, 0, 0))) {
422 throw MiscError ("error in writing video MXF");
429 MonoPictureAssetWriter::finalize ()
431 if (ASDCP_FAILURE (_mxf_writer.Finalize())) {
432 throw MiscError ("error in finalizing video MXF");
436 _asset->set_intrinsic_duration (_frames_written);
439 MonoPictureAssetWriter::~MonoPictureAssetWriter ()