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/*
Copyright (C) 2012 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
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,
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.
*/
/** @file src/picture_asset.cc
* @brief An asset made up of JPEG2000 files
*/
#include <list>
#include <stdexcept>
#include <iostream>
#include <sstream>
#include <boost/filesystem.hpp>
#include <boost/lexical_cast.hpp>
#include "AS_DCP.h"
#include "KM_fileio.h"
#include "picture_asset.h"
#include "util.h"
#include "exceptions.h"
using namespace std;
using namespace boost;
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)
{
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)
{
}
string
PictureAsset::path_from_list (int f, vector<string> const & files) const
{
return files[f];
}
void
PictureAsset::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 (mxf_path().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);
if (ASDCP_FAILURE (j2k_parser.OpenReadFrame (path.c_str(), frame_buffer))) {
throw FileError ("could not open JPEG2000 file for reading", path);
}
/* XXX: passing 0 to WriteFrame ok? */
if (ASDCP_FAILURE (mxf_writer.WriteFrame (frame_buffer, 0, 0))) {
throw MiscError ("error in writing video MXF");
}
(*_progress) (0.5 * float (i) / _length);
}
if (ASDCP_FAILURE (mxf_writer.Finalize())) {
throw MiscError ("error in finalising video MXF");
}
}
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, EqualityFlags flags) const
{
list<string> notes = Asset::equals (other, flags);
if (flags & MXF_INSPECT) {
ASDCP::JP2K::MXFReader reader_A;
if (ASDCP_FAILURE (reader_A.OpenRead (mxf_path().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().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
) {
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");
}
if (buffer_A.Size() != buffer_B.Size()) {
notes.push_back ("sizes of video data for frame " + lexical_cast<string>(i) + " differ");
continue;
}
if (memcmp (buffer_A.RoData(), buffer_B.RoData(), buffer_A.Size()) != 0) {
notes.push_back ("J2K data for frame " + lexical_cast<string>(i) + " differ");
continue;
}
}
}
return notes;
}
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