--- /dev/null
+#!/bin/bash
+
+export LD_LIBRARY_PATH=build/src:build/asdcplib/src:$LD_LIBRARY_PATH
+if [ "$1" == "--debug" ]; then
+ shift
+ gdb --args build/tools/dcpdecryptmxf "$@"
+elif [ "$1" == "--valgrind" ]; then
+ shift
+ valgrind --tool="memcheck" --leak-check=full --show-reachable=yes build/tools/dcpdecryptmxf "$@"
+else
+ build/tools/dcpdecryptmxf "$@"
+fi
*/
#include "atmos_asset.h"
+#include "atmos_asset_reader.h"
+#include "atmos_asset_writer.h"
#include "exceptions.h"
#include <asdcp/AS_DCP.h>
using std::string;
+using boost::shared_ptr;
using namespace dcp;
+AtmosAsset::AtmosAsset (Fraction edit_rate, int first_frame, int max_channel_count, int max_object_count, string atmos_id, int atmos_version)
+ : _edit_rate (edit_rate)
+ , _intrinsic_duration (0)
+ , _first_frame (first_frame)
+ , _max_channel_count (max_channel_count)
+ , _max_object_count (max_object_count)
+ , _atmos_id (atmos_id)
+ , _atmos_version (atmos_version)
+{
+
+}
+
AtmosAsset::AtmosAsset (boost::filesystem::path file)
: Asset (file)
{
_first_frame = desc.FirstFrame;
_max_channel_count = desc.MaxChannelCount;
_max_object_count = desc.MaxObjectCount;
+
+ char id[64];
+ Kumu::bin2UUIDhex (desc.AtmosID, ASDCP::UUIDlen, id, sizeof (id));
+ _atmos_id = id;
+
+ _atmos_version = desc.AtmosVersion;
}
string
{
return "application/mxf";
}
+
+shared_ptr<AtmosAssetReader>
+AtmosAsset::start_read () const
+{
+ return shared_ptr<AtmosAssetReader> (new AtmosAssetReader (this, key ()));
+}
+
+shared_ptr<AtmosAssetWriter>
+AtmosAsset::start_write (boost::filesystem::path file)
+{
+ return shared_ptr<AtmosAssetWriter> (new AtmosAssetWriter (this, file));
+}
#include "asset.h"
#include "mxf.h"
+#include "atmos_asset_reader.h"
namespace dcp {
+class AtmosAssetWriter;
+
class AtmosAsset : public Asset, public MXF
{
public:
+ AtmosAsset (Fraction edit_rate, int first_frame, int max_channel_count, int max_object_count, std::string atmos_id, int atmos_version);
explicit AtmosAsset (boost::filesystem::path file);
+ boost::shared_ptr<AtmosAssetWriter> start_write (boost::filesystem::path file);
+ boost::shared_ptr<AtmosAssetReader> start_read () const;
+
std::string pkl_type (Standard) const;
Fraction edit_rate () const {
return _max_object_count;
}
+ std::string atmos_id () const {
+ return _atmos_id;
+ }
+
+ int atmos_version () const {
+ return _atmos_version;
+ }
+
private:
+ friend class AtmosAssetWriter;
+
Fraction _edit_rate;
int64_t _intrinsic_duration;
int _first_frame;
int _max_channel_count;
int _max_object_count;
+ std::string _atmos_id;
+ int _atmos_version;
};
}
--- /dev/null
+/*
+ Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
+
+ 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.
+
+ 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 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.
+*/
+
+#include "asset_reader.h"
+#include "atmos_frame.h"
+
+namespace dcp {
+
+typedef AssetReader<ASDCP::ATMOS::MXFReader, AtmosFrame> AtmosAssetReader;
+
+}
--- /dev/null
+/*
+ Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
+
+ 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.
+
+ 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 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.
+*/
+
+#include "atmos_asset_writer.h"
+#include "atmos_asset.h"
+#include "exceptions.h"
+#include "dcp_assert.h"
+#include "compose.hpp"
+#include "encryption_context.h"
+#include <asdcp/AS_DCP.h>
+
+using std::min;
+using std::max;
+using namespace dcp;
+
+struct AtmosAssetWriter::ASDCPState
+{
+ ASDCP::ATMOS::MXFWriter mxf_writer;
+ ASDCP::DCData::FrameBuffer frame_buffer;
+ ASDCP::WriterInfo writer_info;
+ ASDCP::ATMOS::AtmosDescriptor desc;
+};
+
+AtmosAssetWriter::AtmosAssetWriter (AtmosAsset* asset, boost::filesystem::path file)
+ : AssetWriter (asset, file, SMPTE)
+ , _state (new AtmosAssetWriter::ASDCPState)
+ , _asset (asset)
+{
+ _state->desc.EditRate = ASDCP::Rational (_asset->edit_rate().numerator, _asset->edit_rate().denominator);
+ _state->desc.FirstFrame = _asset->first_frame ();
+ _state->desc.MaxChannelCount = _asset->max_channel_count ();
+ _state->desc.MaxObjectCount = _asset->max_object_count ();
+
+ unsigned int c;
+ Kumu::hex2bin (_asset->atmos_id().c_str(), _state->desc.AtmosID, ASDCP::UUIDlen, &c);
+ DCP_ASSERT (c == ASDCP::UUIDlen);
+
+ _state->desc.AtmosVersion = 0;
+
+ _asset->fill_writer_info (&_state->writer_info, _asset->id(), SMPTE);
+}
+
+void
+AtmosAssetWriter::write (uint8_t const * data, int size)
+{
+ DCP_ASSERT (!_finalized);
+
+ if (!_started) {
+ Kumu::Result_t r = _state->mxf_writer.OpenWrite (_file.string().c_str(), _state->writer_info, _state->desc);
+ if (ASDCP_FAILURE (r)) {
+ boost::throw_exception (FileError ("could not open atmos MXF for writing", _file.string(), r));
+ }
+
+ _asset->set_file (_file);
+ _started = true;
+ }
+
+ _state->frame_buffer.Capacity (size);
+ _state->frame_buffer.Size (size);
+ memcpy (_state->frame_buffer.Data(), data, size);
+
+ ASDCP::Result_t const r = _state->mxf_writer.WriteFrame (_state->frame_buffer, _encryption_context->encryption(), _encryption_context->hmac());
+ if (ASDCP_FAILURE (r)) {
+ boost::throw_exception (MiscError (String::compose ("could not write atmos MXF frame (%1)", int (r))));
+ }
+
+ ++_frames_written;
+}
+
+bool
+AtmosAssetWriter::finalize ()
+{
+ if (_started && ASDCP_FAILURE (_state->mxf_writer.Finalize())) {
+ boost::throw_exception (MiscError ("could not finalise atmos MXF"));
+ }
+
+ _asset->_intrinsic_duration = _frames_written;
+ return AssetWriter::finalize ();
+}
--- /dev/null
+/*
+ Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
+
+ 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.
+
+ 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 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/atmos_asset_writer.h
+ * @brief AtmosAssetWriter class.
+ */
+
+#include "asset_writer.h"
+#include "types.h"
+#include "atmos_frame.h"
+#include <boost/shared_ptr.hpp>
+#include <boost/filesystem.hpp>
+
+namespace dcp {
+
+class AtmosAsset;
+
+/** @class AtmosAssetWriter
+ * @brief A helper class for writing to AtmosAssets.
+ *
+ * Objects of this class can only be created with AtmosAsset::start_write().
+ */
+class AtmosAssetWriter : public AssetWriter
+{
+public:
+ void write (uint8_t const * data, int size);
+ bool finalize ();
+
+private:
+ friend class AtmosAsset;
+
+ AtmosAssetWriter (AtmosAsset *, boost::filesystem::path);
+
+ /* do this with an opaque pointer so we don't have to include
+ ASDCP headers
+ */
+ struct ASDCPState;
+ boost::shared_ptr<ASDCPState> _state;
+
+ AtmosAsset* _asset;
+};
+
+}
--- /dev/null
+/*
+ Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
+
+ 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.
+
+ 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 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/atmos_frame.h
+ * @brief AtmosFrame class.
+ */
+
+#ifndef LIBDCP_ATMOS_FRAME_H
+#define LIBDCP_ATMOS_FRAME_H
+
+#include "frame.h"
+
+namespace dcp {
+
+typedef Frame<ASDCP::ATMOS::MXFReader, ASDCP::DCData::FrameBuffer> AtmosFrame;
+
+}
+
+#endif
files in the program, then also delete it here.
*/
+#ifndef LIBDCP_DECRYPTION_CONTEXT_H
+#define LIBDCP_DECRYPTION_CONTEXT_H
+
#include "key.h"
#include <boost/optional.hpp>
};
}
+
+#endif
files in the program, then also delete it here.
*/
+#ifndef LIBDCP_FRAME_H
+#define LIBDCP_FRAME_H
+
#include "decryption_context.h"
#include "exceptions.h"
#include <asdcp/KM_fileio.h>
};
}
+
+#endif
shared_ptr<MonoPictureAssetReader>
MonoPictureAsset::start_read () const
{
- return shared_ptr<MonoPictureAssetReader> (new MonoPictureAssetReader (this));
+ return shared_ptr<MonoPictureAssetReader> (new MonoPictureAssetReader (this, key ()));
}
string
shared_ptr<SoundAssetReader>
SoundAsset::start_read () const
{
- return shared_ptr<SoundAssetReader> (new SoundAssetReader (this));
+ return shared_ptr<SoundAssetReader> (new SoundAssetReader (this, key ()));
}
string
shared_ptr<StereoPictureAssetReader>
StereoPictureAsset::start_read () const
{
- return shared_ptr<StereoPictureAssetReader> (new StereoPictureAssetReader (this));
+ return shared_ptr<StereoPictureAssetReader> (new StereoPictureAssetReader (this, key ()));
}
bool
asset.cc
asset_writer.cc
atmos_asset.cc
+ atmos_asset_writer.cc
certificate_chain.cc
certificate.cc
colour_conversion.cc
asset_reader.h
asset_writer.h
atmos_asset.h
+ atmos_asset_reader.h
+ atmos_asset_writer.h
certificate_chain.h
certificate.h
chromaticity.h
--- /dev/null
+/*
+ Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
+
+ 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.
+
+ 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 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.
+*/
+
+#include "encrypted_kdm.h"
+#include "decrypted_kdm.h"
+#include "decryption_context.h"
+#include "key.h"
+#include "util.h"
+#include "atmos_asset.h"
+#include "atmos_frame.h"
+#include "atmos_asset_reader.h"
+#include "atmos_asset_writer.h"
+#include "exceptions.h"
+#include <asdcp/AS_DCP.h>
+#include <boost/foreach.hpp>
+#include <getopt.h>
+#include <string>
+
+using std::string;
+using std::cerr;
+using std::cout;
+using boost::optional;
+using boost::shared_ptr;
+
+static void
+help (string n)
+{
+ cerr << "Syntax: " << n << " [OPTION] <MXF>]\n"
+ << " -v, --version show DCP-o-matic version\n"
+ << " -h, --help show this help\n"
+ << " -o, --output output filename\n"
+ << " -k, --kdm KDM file\n"
+ << " -p, --private-key private key file\n";
+}
+
+int
+atmos (
+ ASDCP::ATMOS::MXFReader& reader,
+ boost::filesystem::path output_file,
+ dcp::DecryptedKDM kdm
+ )
+{
+ ASDCP::WriterInfo info;
+ if (ASDCP_FAILURE (reader.FillWriterInfo (info))) {
+ cerr << "Could not read ATMOS MXF information\n";
+ exit (EXIT_FAILURE);
+ }
+
+ if (!info.EncryptedEssence) {
+ cerr << "MXF is not encrypted!\n";
+ exit (EXIT_FAILURE);
+ }
+
+ char key_buffer[64];
+ Kumu::bin2UUIDhex (info.CryptographicKeyID, ASDCP::UUIDlen, key_buffer, sizeof (key_buffer));
+ string const key_id = key_buffer;
+
+ optional<dcp::Key> key;
+ BOOST_FOREACH (dcp::DecryptedKDMKey const & i, kdm.keys()) {
+ if (i.id() == key_id) {
+ key = i.key();
+ }
+ }
+
+ if (!key) {
+ cerr << "Could not find key in KDM.\n";
+ exit (EXIT_FAILURE);
+ }
+
+ dcp::DecryptionContext dc (key.get());
+
+ ASDCP::ATMOS::AtmosDescriptor desc;
+ if (ASDCP_FAILURE (reader.FillAtmosDescriptor (desc))) {
+ cerr << "could not read ATMOS descriptor.\n";
+ exit (EXIT_FAILURE);
+ }
+
+ ASDCP::DCData::FrameBuffer buffer (Kumu::Megabyte);
+
+ for (size_t i = 0; i < desc.ContainerDuration; ++i) {
+ reader.ReadFrame (i, buffer, dc.decryption(), 0);
+ }
+
+ return 0;
+}
+
+int
+main (int argc, char* argv[])
+{
+ optional<boost::filesystem::path> output_file;
+ optional<boost::filesystem::path> kdm_file;
+ optional<boost::filesystem::path> private_key_file;
+
+ int option_index = 0;
+ while (true) {
+ struct option long_options[] = {
+ { "version", no_argument, 0, 'v' },
+ { "help", no_argument, 0, 'h' },
+ { "output", required_argument, 0, 'o'},
+ { "kdm", required_argument, 0, 'k'},
+ { "private-key", required_argument, 0, 'p'},
+ { 0, 0, 0, 0 }
+ };
+
+ int c = getopt_long (argc, argv, "vho:k:p:", long_options, &option_index);
+
+ if (c == -1) {
+ break;
+ }
+
+ switch (c) {
+ case 'v':
+ cout << "libdcp version " << LIBDCP_VERSION << "\n";
+ exit (EXIT_SUCCESS);
+ case 'h':
+ help (argv[0]);
+ exit (EXIT_SUCCESS);
+ case 'o':
+ output_file = optarg;
+ break;
+ case 'k':
+ kdm_file = optarg;
+ break;
+ case 'p':
+ private_key_file = optarg;
+ break;
+ }
+ }
+
+ if (optind >= argc) {
+ help (argv[0]);
+ exit (EXIT_FAILURE);
+ }
+
+ boost::filesystem::path input_file = argv[optind];
+
+ if (!output_file) {
+ cerr << "You must specify -o or --output\n";
+ exit (EXIT_FAILURE);
+ }
+
+ if (!kdm_file) {
+ cerr << "You must specify -k or --kdm\n";
+ exit (EXIT_FAILURE);
+ }
+
+ if (!private_key_file) {
+ cerr << "You must specify -p or --private-key\n";
+ exit (EXIT_FAILURE);
+ }
+
+ dcp::EncryptedKDM encrypted_kdm (dcp::file_to_string (kdm_file.get ()));
+ dcp::DecryptedKDM decrypted_kdm (encrypted_kdm, dcp::file_to_string (private_key_file.get()));
+
+ try {
+ dcp::AtmosAsset in (input_file);
+ shared_ptr<dcp::AtmosAssetReader> reader = in.start_read ();
+ dcp::AtmosAsset out (
+ in.edit_rate(),
+ in.first_frame(),
+ in.max_channel_count(),
+ in.max_object_count(),
+ in.atmos_id(),
+ in.atmos_version()
+ );
+ shared_ptr<dcp::AtmosAssetWriter> writer = out.start_write (output_file.get());
+ for (int64_t i = 0; i < in.intrinsic_duration(); ++i) {
+ shared_ptr<const dcp::AtmosFrame> f = reader->get_frame (i);
+ writer->write (f->data(), f->size());
+ }
+ } catch (dcp::DCPReadError& e) {
+ cerr << "Unknown MXF format.\n";
+ return EXIT_FAILURE;
+ }
+
+ return 0;
+}
obj.uselib = 'OPENJPEG CXML OPENMP ASDCPLIB_CTH BOOST_FILESYSTEM LIBXML++ XMLSEC1 OPENSSL'
obj.source = 'dcpdumpsub.cc'
obj.target = 'dcpdumpsub'
+
+ obj = bld(features='cxx cxxprogram')
+ obj.use = ['libdcp%s' % bld.env.API_VERSION]
+ obj.uselib = 'OPENJPEG CXML OPENMP ASDCPLIB_CTH BOOST_FILESYSTEM LIBXML++ XMLSEC1 OPENSSL'
+ obj.source = 'dcpdecryptmxf.cc'
+ obj.target = 'dcpdecryptmxf'
projects / libdcp.git / commitdiff