/*
Copyright (C) 2012-2014 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/util.cc
#include "openjpeg_image.h"
#include "dcp_assert.h"
#include "compose.hpp"
-#include "KM_util.h"
-#include "KM_fileio.h"
-#include "AS_DCP.h"
+#include <asdcp/KM_util.h>
+#include <asdcp/KM_fileio.h>
+#include <asdcp/AS_DCP.h>
#include <xmlsec/xmldsig.h>
#include <xmlsec/dl.h>
#include <xmlsec/app.h>
#include <boost/filesystem.hpp>
#include <boost/algorithm/string.hpp>
#include <stdexcept>
-#include <sstream>
#include <iostream>
#include <iomanip>
using std::string;
using std::wstring;
using std::cout;
-using std::stringstream;
using std::min;
using std::max;
using std::list;
using std::setfill;
using std::ostream;
using boost::shared_ptr;
+using boost::shared_array;
using boost::optional;
using boost::function;
using boost::algorithm::trim;
DCP_ASSERT (false);
}
-/** Decompress a JPEG2000 image to a bitmap.
- * @param data JPEG2000 data.
- * @param size Size of data in bytes.
- * @param reduce A power of 2 by which to reduce the size of the decoded image;
- * e.g. 0 reduces by (2^0 == 1), ie keeping the same size.
- * 1 reduces by (2^1 == 2), ie halving the size of the image.
- * This is useful for scaling 4K DCP images down to 2K.
- * @return OpenJPEGImage.
- */
-shared_ptr<dcp::OpenJPEGImage>
-dcp::decompress_j2k (uint8_t* data, int64_t size, int reduce)
-{
- uint8_t const jp2_magic[] = {
- 0x00,
- 0x00,
- 0x00,
- 0x0c,
- 'j',
- 'P',
- 0x20,
- 0x20
- };
-
- OPJ_CODEC_FORMAT format = CODEC_J2K;
- if (size >= int (sizeof (jp2_magic)) && memcmp (data, jp2_magic, sizeof (jp2_magic)) == 0) {
- format = CODEC_JP2;
- }
-
- opj_dinfo_t* decoder = opj_create_decompress (format);
- if (!decoder) {
- boost::throw_exception (DCPReadError ("could not create JPEG2000 decompresser"));
- }
- opj_dparameters_t parameters;
- opj_set_default_decoder_parameters (¶meters);
- parameters.cp_reduce = reduce;
- opj_setup_decoder (decoder, ¶meters);
- opj_cio_t* cio = opj_cio_open ((opj_common_ptr) decoder, data, size);
- if (!cio) {
- boost::throw_exception (DCPReadError ("could not create JPEG2000 memory stream"));
- }
- opj_image_t* image = opj_decode (decoder, cio);
- if (!image) {
- opj_destroy_decompress (decoder);
- opj_cio_close (cio);
- if (format == CODEC_J2K) {
- boost::throw_exception (DCPReadError (String::compose ("could not decode JPEG2000 codestream of %1 bytes.", size)));
- } else {
- boost::throw_exception (DCPReadError (String::compose ("could not decode JP2 file of %1 bytes.", size)));
- }
- }
-
- opj_destroy_decompress (decoder);
- opj_cio_close (cio);
-
- image->x1 = rint (float(image->x1) / pow (2, reduce));
- image->y1 = rint (float(image->y1) / pow (2, reduce));
- return shared_ptr<OpenJPEGImage> (new OpenJPEGImage (image));
-}
-
/** @param s A string.
* @return true if the string contains only space, newline or tab characters, or is empty.
*/
if (xmlSecCryptoInit() < 0) {
throw MiscError ("could not initialise xmlsec-crypto");
}
-}
-
-bool dcp::operator== (dcp::Size const & a, dcp::Size const & b)
-{
- return (a.width == b.width && a.height == b.height);
-}
-
-bool dcp::operator!= (dcp::Size const & a, dcp::Size const & b)
-{
- return !(a == b);
-}
-ostream& dcp::operator<< (ostream& s, dcp::Size const & a)
-{
- s << a.width << "x" << a.height;
- return s;
+ OpenSSL_add_all_algorithms();
}
/** Decode a base64 string. The base64 decode routine in KM_util.cpp
{
uintmax_t len = boost::filesystem::file_size (p);
if (len > max_length) {
- throw MiscError ("Unexpectedly long file");
+ throw MiscError (String::compose ("Unexpectedly long file (%1)", p.string()));
}
- char* c = new char[len + 1];
-
FILE* f = fopen_boost (p, "r");
if (!f) {
- return "";
+ throw FileError ("could not open file", p, errno);
}
- fread (c, 1, len, f);
+ char* c = new char[len];
+ /* This may read less than `len' if we are on Windows and we have CRLF in the file */
+ int const N = fread (c, 1, len, f);
fclose (f);
- c[len] = '\0';
- string s (c);
+ string s (c, N);
delete[] c;
return s;
DCP_ASSERT (i != c.end ());
return *i;
}
+
+string
+dcp::remove_urn_uuid (string raw)
+{
+ DCP_ASSERT (raw.substr(0, 9) == "urn:uuid:");
+ return raw.substr (9);
+}
projects / libdcp.git / blobdiff