/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of libdcp.
+
+ libdcp is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
- This program is distributed in the hope that it will be useful,
+ libdcp is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
+ along with libdcp. If not, see <http://www.gnu.org/licenses/>.
+
+ In addition, as a special exception, the copyright holders give
+ permission to link the code of portions of this program with the
+ OpenSSL library under certain conditions as described in each
+ individual source file, and distribute linked combinations
+ including the two.
+
+ You must obey the GNU General Public License in all respects
+ for all of the code used other than OpenSSL. If you modify
+ file(s) with this exception, you may extend this exception to your
+ version of the file(s), but you are not obligated to do so. If you
+ do not wish to do so, delete this exception statement from your
+ version. If you delete this exception statement from all source
+ files in the program, then also delete it here.
*/
+
/** @file src/picture_asset.cc
- * @brief An asset made up of JPEG2000 files
+ * @brief PictureAsset class
*/
-#include <list>
-#include <stdexcept>
-#include <iostream>
-#include <sstream>
-#include <fstream>
-#include <boost/filesystem.hpp>
-#include <boost/lexical_cast.hpp>
-#include <openjpeg.h>
-#include "AS_DCP.h"
-#include "KM_fileio.h"
+
#include "picture_asset.h"
#include "util.h"
#include "exceptions.h"
-#include "picture_frame.h"
+#include "openjpeg_image.h"
+#include "picture_asset_writer.h"
+#include "dcp_assert.h"
+#include "compose.hpp"
+#include "j2k.h"
+#include <asdcp/AS_DCP.h>
+#include <asdcp/KM_fileio.h>
+#include <libxml++/nodes/element.h>
+#include <boost/filesystem.hpp>
+#include <list>
+#include <stdexcept>
+
+
+using std::string;
+using std::list;
+using std::vector;
+using std::max;
+using std::pair;
+using std::make_pair;
+using std::shared_ptr;
+using namespace dcp;
-using namespace std;
-using namespace boost;
-using namespace libdcp;
-PictureAsset::PictureAsset (string directory, string mxf_name, sigc::signal1<void, float>* progress, int fps, int entry_point, int length)
- : MXFAsset (directory, mxf_name, progress, fps, entry_point, length)
- , _width (0)
- , _height (0)
+PictureAsset::PictureAsset (boost::filesystem::path file)
+ : Asset (file)
+ , _intrinsic_duration (0)
{
}
-void
-PictureAsset::write_to_cpl (ostream& s) const
+
+PictureAsset::PictureAsset (Fraction edit_rate, Standard standard)
+ : MXF (standard)
+ , _edit_rate (edit_rate)
+ , _intrinsic_duration (0)
{
- s << " <MainPicture>\n"
- << " <Id>urn:uuid:" << _uuid << "</Id>\n"
- << " <AnnotationText>" << _file_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";
+
}
-/* XXX: could use get_frame()? */
-list<string>
-PictureAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt) const
+
+void
+PictureAsset::read_picture_descriptor (ASDCP::JP2K::PictureDescriptor const & desc)
{
- list<string> notes = MXFAsset::equals (other, opt);
-
- if (opt.flags & MXF_INSPECT) {
- ASDCP::JP2K::MXFReader reader_A;
- if (ASDCP_FAILURE (reader_A.OpenRead (path().string().c_str()))) {
- throw MXFFileError ("could not open MXF file for reading", path().string());
- }
+ _size.width = desc.StoredWidth;
+ _size.height = desc.StoredHeight;
+ _edit_rate = Fraction (desc.EditRate.Numerator, desc.EditRate.Denominator);
+ _intrinsic_duration = desc.ContainerDuration;
+ _frame_rate = Fraction (desc.SampleRate.Numerator, desc.SampleRate.Denominator);
+ _screen_aspect_ratio = Fraction (desc.AspectRatio.Numerator, desc.AspectRatio.Denominator);
+}
- ASDCP::JP2K::MXFReader reader_B;
- if (ASDCP_FAILURE (reader_B.OpenRead (other->path().string().c_str()))) {
- throw MXFFileError ("could not open MXF file for reading", 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");
- }
+bool
+PictureAsset::descriptor_equals (
+ ASDCP::JP2K::PictureDescriptor const & a, ASDCP::JP2K::PictureDescriptor const & b, NoteHandler note
+ ) const
+{
+ 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 (NoteType::ERROR, "video MXF picture descriptors differ");
+ return false;
+ }
- 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
- ) {
-
- notes.push_back ("video MXF picture descriptors differ");
- }
+ if (a.ContainerDuration != b.ContainerDuration) {
+ note (NoteType::ERROR, "video container durations differ");
+ }
// for (unsigned int j = 0; j < ASDCP::JP2K::MaxComponents; ++j) {
-// if (desc_A.ImageComponents[j] != desc_B.ImageComponents[j]) {
+// if (a.ImageComponents[j] != 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 (), 0);
- opj_image_t* image_B = decompress_j2k (const_cast<uint8_t*> (buffer_B.RoData()), buffer_B.Size (), 0);
-
- /* 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";
- }
-
- opj_image_destroy (image_A);
- opj_image_destroy (image_B);
- }
- }
- }
- return notes;
+ return true;
}
-MonoPictureAsset::MonoPictureAsset (
- sigc::slot<string, int> get_path,
- string directory,
- string mxf_name,
- sigc::signal1<void, float>* progress,
- int fps,
- int length,
- int width,
- int height)
- : PictureAsset (directory, mxf_name, progress, fps, 0, length)
-{
- _width = width;
- _height = height;
- construct (get_path);
-}
-MonoPictureAsset::MonoPictureAsset (
- vector<string> const & files,
- string directory,
- string mxf_name,
- sigc::signal1<void, float>* progress,
- int fps,
- int length,
- int width,
- int height)
- : PictureAsset (directory, mxf_name, progress, fps, 0, length)
+bool
+PictureAsset::frame_buffer_equals (
+ int frame, EqualityOptions opt, NoteHandler note,
+ uint8_t const * data_A, unsigned int size_A, uint8_t const * data_B, unsigned int size_B
+ ) const
{
- _width = width;
- _height = height;
- construct (sigc::bind (sigc::mem_fun (*this, &MonoPictureAsset::path_from_list), files));
-}
-
-MonoPictureAsset::MonoPictureAsset (string directory, string mxf_name, int fps, int entry_point, int length)
- : PictureAsset (directory, mxf_name, 0, fps, entry_point, length)
-{
- ASDCP::JP2K::MXFReader reader;
- if (ASDCP_FAILURE (reader.OpenRead (path().string().c_str()))) {
- throw MXFFileError ("could not open MXF file for reading", path().string());
- }
-
- ASDCP::JP2K::PictureDescriptor desc;
- if (ASDCP_FAILURE (reader.FillPictureDescriptor (desc))) {
- throw DCPReadError ("could not read video MXF information");
+ if (size_A == size_B && memcmp (data_A, data_B, size_A) == 0) {
+ note (NoteType::NOTE, "J2K identical");
+ /* Easy result; the J2K data is identical */
+ return true;
}
- _width = desc.StoredWidth;
- _height = desc.StoredHeight;
-}
+ /* Decompress the images to bitmaps */
+ auto image_A = decompress_j2k (const_cast<uint8_t*>(data_A), size_A, 0);
+ auto image_B = decompress_j2k (const_cast<uint8_t*>(data_B), size_B, 0);
-void
-MonoPictureAsset::construct (sigc::slot<string, int> get_path)
-{
- 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));
- }
-
- ASDCP::JP2K::PictureDescriptor picture_desc;
- j2k_parser.FillPictureDescriptor (picture_desc);
- picture_desc.EditRate = ASDCP::Rational (_fps, 1);
-
- ASDCP::WriterInfo writer_info;
- fill_writer_info (&writer_info);
-
- ASDCP::JP2K::MXFWriter mxf_writer;
- if (ASDCP_FAILURE (mxf_writer.OpenWrite (path().string().c_str(), writer_info, picture_desc))) {
- throw MXFFileError ("could not open MXF file for writing", path().string());
- }
+ /* Compare them */
- for (int i = 0; i < _length; ++i) {
+ vector<int> abs_diffs (image_A->size().width * image_A->size().height * 3);
+ int d = 0;
+ int max_diff = 0;
- 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 (NoteType::ERROR, String::compose ("image sizes for frame %1 differ", frame));
+ 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);
}
+ }
- if (_progress) {
- (*_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 (auto j: abs_diffs) {
+ total_squared_deviation += pow (j - mean, 2);
}
-}
-string
-MonoPictureAsset::path_from_list (int f, vector<string> const & files) const
-{
- return files[f];
-}
+ auto const std_dev = sqrt (double (total_squared_deviation) / abs_diffs.size());
-shared_ptr<const MonoPictureFrame>
-MonoPictureAsset::get_frame (int n) const
-{
- return shared_ptr<const MonoPictureFrame> (new MonoPictureFrame (path().string(), n + _entry_point));
-}
+ note (NoteType::NOTE, String::compose("mean difference %1 deviation %2", mean, std_dev));
-StereoPictureAsset::StereoPictureAsset (string directory, string mxf_name, int fps, int entry_point, int length)
- : PictureAsset (directory, mxf_name, 0, fps, entry_point, length)
-{
- ASDCP::JP2K::MXFSReader reader;
- if (ASDCP_FAILURE (reader.OpenRead (path().string().c_str()))) {
- throw MXFFileError ("could not open MXF file for reading", path().string());
+ if (mean > opt.max_mean_pixel_error) {
+ note (
+ NoteType::ERROR,
+ String::compose ("mean %1 out of range %2 in frame %3", mean, opt.max_mean_pixel_error, frame)
+ );
+
+ return false;
}
-
- ASDCP::JP2K::PictureDescriptor desc;
- if (ASDCP_FAILURE (reader.FillPictureDescriptor (desc))) {
- throw DCPReadError ("could not read video MXF information");
+
+ if (std_dev > opt.max_std_dev_pixel_error) {
+ note (
+ NoteType::ERROR,
+ String::compose ("standard deviation %1 out of range %2 in frame %3", std_dev, opt.max_std_dev_pixel_error, frame)
+ );
+
+ return false;
}
- _width = desc.StoredWidth;
- _height = desc.StoredHeight;
+ return true;
}
-shared_ptr<const StereoPictureFrame>
-StereoPictureAsset::get_frame (int n) const
+
+string
+PictureAsset::static_pkl_type (Standard standard)
+{
+ switch (standard) {
+ case Standard::INTEROP:
+ return "application/x-smpte-mxf;asdcpKind=Picture";
+ case Standard::SMPTE:
+ return "application/mxf";
+ default:
+ DCP_ASSERT (false);
+ }
+}
+
+
+string
+PictureAsset::pkl_type (Standard standard) const
{
- return shared_ptr<const StereoPictureFrame> (new StereoPictureFrame (path().string(), n + _entry_point));
+ return static_pkl_type (standard);
}
projects / libdcp.git / blobdiff