/*
- 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/util.cc
- * @brief Utility methods.
+ * @brief Utility methods and classes
*/
-#include <stdexcept>
-#include <sstream>
-#include <iostream>
-#include <iomanip>
-#include <boost/filesystem.hpp>
-#include <boost/lexical_cast.hpp>
-#include <openssl/sha.h>
-#include <libxml++/nodes/element.h>
-#include <libxml++/document.h>
+
+#include "certificate.h"
+#include "compose.hpp"
+#include "dcp_assert.h"
+#include "exceptions.h"
+#include "file.h"
+#include "filesystem.h"
+#include "language_tag.h"
+#include "openjpeg_image.h"
+#include "rating.h"
+#include "types.h"
+#include "util.h"
+#include <openjpeg.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 "KM_util.h"
-#include "KM_fileio.h"
-#include "AS_DCP.h"
-#include "util.h"
-#include "exceptions.h"
-#include "types.h"
-#include "argb_frame.h"
-#include "certificates.h"
-#include "gamma_lut.h"
-#include "xyz_frame.h"
+#include <xmlsec/crypto.h>
+#include <libxml++/nodes/element.h>
+#include <libxml++/document.h>
+#include <openssl/sha.h>
+#include <boost/algorithm/string.hpp>
+#if BOOST_VERSION >= 106100
+#include <boost/dll/runtime_symbol_info.hpp>
+#endif
+#include <boost/filesystem.hpp>
+#include <stdexcept>
+#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::setw;
using std::setfill;
-using boost::shared_ptr;
-using boost::lexical_cast;
-using namespace libdcp;
-
-/** Create a UUID.
- * @return UUID.
+using std::ostream;
+using std::shared_ptr;
+using std::vector;
+using boost::shared_array;
+using boost::optional;
+using boost::function;
+using boost::algorithm::trim;
+using namespace dcp;
+
+
+/* Some ASDCP objects store this as a *&, for reasons which are not
+ * at all clear, so we have to keep this around forever.
*/
+ASDCP::Dictionary const* dcp::asdcp_smpte_dict = nullptr;
+
+
string
-libdcp::make_uuid ()
+dcp::make_uuid ()
{
char buffer[64];
Kumu::UUID id;
}
-/** Create a digest for a file.
- * @param filename File name.
- * @param progress Pointer to a progress reporting function, or 0. The function will be called
- * with a progress value between 0 and 1.
- * @return Digest.
- */
string
-libdcp::make_digest (string filename, boost::function<void (float)>* progress)
+dcp::make_digest (ArrayData data)
+{
+ SHA_CTX sha;
+ SHA1_Init (&sha);
+ SHA1_Update (&sha, data.data(), data.size());
+ byte_t byte_buffer[SHA_DIGEST_LENGTH];
+ SHA1_Final (byte_buffer, &sha);
+ char digest[64];
+ return Kumu::base64encode (byte_buffer, SHA_DIGEST_LENGTH, digest, 64);
+}
+
+
+string
+dcp::make_digest(boost::filesystem::path filename, function<void (int64_t, int64_t)> progress)
{
Kumu::FileReader reader;
- if (ASDCP_FAILURE (reader.OpenRead (filename.c_str ()))) {
- boost::throw_exception (FileError ("could not open file to compute digest", filename));
+ auto r = reader.OpenRead(dcp::filesystem::fix_long_path(filename).string().c_str());
+ if (ASDCP_FAILURE(r)) {
+ boost::throw_exception (FileError("could not open file to compute digest", filename, r));
}
-
+
SHA_CTX sha;
SHA1_Init (&sha);
Kumu::fsize_t done = 0;
Kumu::fsize_t const size = reader.Size ();
- while (1) {
+ while (true) {
ui32_t read = 0;
- Kumu::Result_t r = reader.Read (read_buffer.Data(), read_buffer.Capacity(), &read);
-
+ auto r = reader.Read (read_buffer.Data(), read_buffer.Capacity(), &read);
+
if (r == Kumu::RESULT_ENDOFFILE) {
break;
} else if (ASDCP_FAILURE (r)) {
- boost::throw_exception (FileError ("could not read file to compute digest", filename));
+ boost::throw_exception (FileError("could not read file to compute digest", filename, r));
}
-
+
SHA1_Update (&sha, read_buffer.Data(), read);
if (progress) {
- (*progress) (float (done) / size);
+ progress(done, size);
done += read;
}
}
- byte_t byte_buffer[20];
+ byte_t byte_buffer[SHA_DIGEST_LENGTH];
SHA1_Final (byte_buffer, &sha);
char digest[64];
- return Kumu::base64encode (byte_buffer, 20, digest, 64);
+ return Kumu::base64encode (byte_buffer, SHA_DIGEST_LENGTH, digest, 64);
}
-/** Convert a content kind to a string which can be used in a
- * <ContentKind> node.
- * @param kind ContentKind.
- * @return string.
- */
-string
-libdcp::content_kind_to_string (ContentKind kind)
+
+void
+dcp::init (optional<boost::filesystem::path> given_resources_directory)
{
- switch (kind) {
- case FEATURE:
- return "feature";
- case SHORT:
- return "short";
- case TRAILER:
- return "trailer";
- case TEST:
- return "test";
- case TRANSITIONAL:
- return "transitional";
- case RATING:
- return "rating";
- case TEASER:
- return "teaser";
- case POLICY:
- return "policy";
- case PUBLIC_SERVICE_ANNOUNCEMENT:
- return "psa";
- case ADVERTISEMENT:
- return "advertisement";
+ if (xmlSecInit() < 0) {
+ throw MiscError ("could not initialise xmlsec");
+ }
+
+#ifdef XMLSEC_CRYPTO_DYNAMIC_LOADING
+ if (xmlSecCryptoDLLoadLibrary(BAD_CAST "openssl") < 0) {
+ throw MiscError ("unable to load openssl xmlsec-crypto library");
+ }
+#endif
+
+ if (xmlSecCryptoAppInit(0) < 0) {
+ throw MiscError ("could not initialise crypto");
+ }
+
+ if (xmlSecCryptoInit() < 0) {
+ throw MiscError ("could not initialise xmlsec-crypto");
}
- assert (false);
+ OpenSSL_add_all_algorithms();
+
+ asdcp_smpte_dict = &ASDCP::DefaultSMPTEDict();
+
+ auto res = given_resources_directory.get_value_or(resources_directory());
+
+ load_language_tag_lists (res / "tags");
+ load_rating_list (res / "ratings");
}
-/** Convert a string from a <ContentKind> node to a libdcp ContentKind.
- * Reasonably tolerant about varying case.
- * @param type Content kind string.
- * @return libdcp ContentKind.
- */
-libdcp::ContentKind
-libdcp::content_kind_from_string (string type)
+
+int
+dcp::base64_decode (string const & in, unsigned char* out, int out_length)
{
- /* XXX: should probably just convert type to lower-case and have done with it */
-
- if (type == "feature") {
- return FEATURE;
- } else if (type == "short") {
- return SHORT;
- } else if (type == "trailer" || type == "Trailer") {
- return TRAILER;
- } else if (type == "test") {
- return TEST;
- } else if (type == "transitional") {
- return TRANSITIONAL;
- } else if (type == "rating") {
- return RATING;
- } else if (type == "teaser" || type == "Teaser") {
- return TEASER;
- } else if (type == "policy") {
- return POLICY;
- } else if (type == "psa") {
- return PUBLIC_SERVICE_ANNOUNCEMENT;
- } else if (type == "advertisement") {
- return ADVERTISEMENT;
+ auto b64 = BIO_new (BIO_f_base64());
+
+ /* This means the input should have no newlines */
+ BIO_set_flags (b64, BIO_FLAGS_BASE64_NO_NL);
+
+ /* Copy our input string, removing newlines */
+ char in_buffer[in.size() + 1];
+ char* p = in_buffer;
+ for (size_t i = 0; i < in.size(); ++i) {
+ if (in[i] != '\n' && in[i] != '\r') {
+ *p++ = in[i];
+ }
}
- assert (false);
+ auto bmem = BIO_new_mem_buf (in_buffer, p - in_buffer);
+ bmem = BIO_push (b64, bmem);
+ int const N = BIO_read (bmem, out, out_length);
+ BIO_free_all (bmem);
+
+ return N;
}
-/** 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 XYZ image.
- */
-shared_ptr<libdcp::XYZFrame>
-libdcp::decompress_j2k (uint8_t* data, int64_t size, int reduce)
+
+optional<boost::filesystem::path>
+dcp::relative_to_root (boost::filesystem::path root, boost::filesystem::path file)
{
- opj_dinfo_t* decoder = opj_create_decompress (CODEC_J2K);
- 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);
- opj_image_t* image = opj_decode (decoder, cio);
- if (!image) {
- opj_destroy_decompress (decoder);
- opj_cio_close (cio);
- boost::throw_exception (DCPReadError ("could not decode JPEG2000 codestream of " + lexical_cast<string> (size) + " bytes."));
+ auto i = root.begin ();
+ auto j = file.begin ();
+
+ while (i != root.end() && j != file.end() && *i == *j) {
+ ++i;
+ ++j;
+ }
+
+ if (i != root.end()) {
+ return {};
}
- opj_cio_close (cio);
+ boost::filesystem::path rel;
+ while (j != file.end()) {
+ rel /= *j++;
+ }
- image->x1 = rint (float(image->x1) / pow (2, reduce));
- image->y1 = rint (float(image->y1) / pow (2, reduce));
- return shared_ptr<XYZFrame> (new XYZFrame (image));
+ return rel;
}
-/** @param s A string.
- * @return true if the string contains only space, newline or tab characters, or is empty.
- */
+
bool
-libdcp::empty_or_white_space (string s)
+dcp::ids_equal (string a, string b)
{
- for (size_t i = 0; i < s.length(); ++i) {
- if (s[i] != ' ' && s[i] != '\n' && s[i] != '\t') {
- return false;
- }
+ transform (a.begin(), a.end(), a.begin(), ::tolower);
+ transform (b.begin(), b.end(), b.begin(), ::tolower);
+ trim (a);
+ trim (b);
+ return a == b;
+}
+
+
+string
+dcp::file_to_string (boost::filesystem::path p, uintmax_t max_length)
+{
+ auto len = filesystem::file_size(p);
+ if (len > max_length) {
+ throw MiscError (String::compose("Unexpectedly long file (%1)", p.string()));
+ }
+
+ File f(p, "r");
+ if (!f) {
+ throw FileError ("could not open file", p, errno);
}
- return true;
+ std::vector<char> buffer(len);
+ /* This may read less than `len' if we are on Windows and we have CRLF in the file */
+ int const N = f.read(buffer.data(), 1, len);
+ return string(buffer.data(), N);
}
+
void
-libdcp::init ()
+dcp::write_string_to_file(string const& string, boost::filesystem::path const& path)
{
- if (xmlSecInit() < 0) {
- throw MiscError ("could not initialise xmlsec");
+ File file(path, "w");
+ if (!file) {
+ throw FileError("could not open file", path, errno);
}
-#ifdef XMLSEC_CRYPTO_DYNAMIC_LOADING
- if (xmlSecCryptoDLLoadLibrary(BAD_CAST XMLSEC_CRYPTO) < 0) {
- throw MiscError ("unable to load default xmlsec-crypto library");
- }
-#endif
+ file.write(string.c_str(), string.length(), 1);
+}
- if (xmlSecCryptoAppInit(0) < 0) {
- throw MiscError ("could not initialise crypto");
- }
- if (xmlSecCryptoInit() < 0) {
- throw MiscError ("could not initialise xmlsec-crypto");
- }
+string
+dcp::private_key_fingerprint (string key)
+{
+ boost::replace_all (key, "-----BEGIN RSA PRIVATE KEY-----\n", "");
+ boost::replace_all (key, "\n-----END RSA PRIVATE KEY-----\n", "");
+ boost::replace_all (key, "-----BEGIN PRIVATE KEY-----\n", "");
+ boost::replace_all (key, "\n-----END PRIVATE KEY-----\n", "");
+
+ unsigned char buffer[4096];
+ int const N = base64_decode (key, buffer, sizeof (buffer));
+
+ SHA_CTX sha;
+ SHA1_Init (&sha);
+ SHA1_Update (&sha, buffer, N);
+ uint8_t digest[20];
+ SHA1_Final (digest, &sha);
+
+ char digest_base64[64];
+ return Kumu::base64encode (digest, 20, digest_base64, 64);
}
-/** Sign an XML node. This function takes a certificate chain (to prove that the sender is bona fide) and
- * a private key with which to sign the node.
- *
- * @param parent Node to sign.
- * @param certificates Certificate chain for the signer.
- * @param signer_key Filename of the private key of the signer.
- * @param ns Namespace to use for the signature XML nodes.
- */
-void
-libdcp::add_signature_value (xmlpp::Element* parent, CertificateChain const & certificates, boost::filesystem::path signer_key, string const & ns)
+
+xmlpp::Node *
+dcp::find_child (xmlpp::Node const * node, string name)
{
- parent->add_child("SignatureValue", ns);
-
- /* Add the certificate chain to a KeyInfo child node of parent */
- xmlpp::Element* key_info = parent->add_child("KeyInfo", ns);
- list<shared_ptr<Certificate> > c = certificates.leaf_to_root ();
- for (list<shared_ptr<Certificate> >::iterator i = c.begin(); i != c.end(); ++i) {
- xmlpp::Element* data = key_info->add_child("X509Data", ns);
-
- {
- xmlpp::Element* serial = data->add_child("X509IssuerSerial", ns);
- serial->add_child("X509IssuerName", ns)->add_child_text((*i)->issuer ());
- serial->add_child("X509SerialNumber", ns)->add_child_text((*i)->serial ());
- }
-
- data->add_child("X509Certificate", ns)->add_child_text((*i)->certificate());
+ auto c = node->get_children ();
+ auto i = c.begin();
+ while (i != c.end() && (*i)->get_name() != name) {
+ ++i;
}
- xmlSecDSigCtxPtr signature_context = xmlSecDSigCtxCreate (0);
- if (signature_context == 0) {
- throw MiscError ("could not create signature context");
- }
+ DCP_ASSERT (i != c.end ());
+ return *i;
+}
- signature_context->signKey = xmlSecCryptoAppKeyLoad (signer_key.c_str(), xmlSecKeyDataFormatPem, 0, 0, 0);
- if (signature_context->signKey == 0) {
- throw FileError ("could not load private key file", signer_key);
- }
- /* XXX: set key name to the file name: is this right? */
- if (xmlSecKeySetName (signature_context->signKey, reinterpret_cast<const xmlChar *> (signer_key.c_str())) < 0) {
- throw MiscError ("could not set key name");
+string
+dcp::remove_urn_uuid (string raw)
+{
+ if (raw.substr(0, 9) != "urn:uuid:") {
+ throw BadURNUUIDError(raw);
}
- if (xmlSecDSigCtxSign (signature_context, parent->cobj ()) < 0) {
- throw MiscError ("could not sign");
- }
+ return raw.substr (9);
+}
+
- xmlSecDSigCtxDestroy (signature_context);
+string
+dcp::openjpeg_version ()
+{
+ return opj_version ();
}
-void
-libdcp::add_signer (xmlpp::Element* parent, CertificateChain const & certificates, string const & ns)
+string
+dcp::spaces (int n)
{
- xmlpp::Element* signer = parent->add_child("Signer");
-
- {
- xmlpp::Element* data = signer->add_child("X509Data", ns);
-
- {
- xmlpp::Element* serial_element = data->add_child("X509IssuerSerial", ns);
- serial_element->add_child("X509IssuerName", ns)->add_child_text (certificates.leaf()->issuer());
- serial_element->add_child("X509SerialNumber", ns)->add_child_text (certificates.leaf()->serial());
- }
-
- data->add_child("X509SubjectName", ns)->add_child_text (certificates.leaf()->subject());
+ string s = "";
+ for (int i = 0; i < n; ++i) {
+ s += " ";
}
+ return s;
}
-/** @param signer_key Filename of private key to sign with */
+
void
-libdcp::sign (xmlpp::Element* parent, CertificateChain const & certificates, boost::filesystem::path signer_key, bool interop)
+dcp::indent (xmlpp::Element* element, int initial)
{
- add_signer (parent, certificates, "dsig");
-
- xmlpp::Element* signature = parent->add_child("Signature", "dsig");
-
- {
- xmlpp::Element* signed_info = signature->add_child ("SignedInfo", "dsig");
- signed_info->add_child("CanonicalizationMethod", "dsig")->set_attribute ("Algorithm", "http://www.w3.org/TR/2001/REC-xml-c14n-20010315");
-
- if (interop) {
- signed_info->add_child("SignatureMethod", "dsig")->set_attribute("Algorithm", "http://www.w3.org/2000/09/xmldsig#rsa-sha1");
- } else {
- signed_info->add_child("SignatureMethod", "dsig")->set_attribute("Algorithm", "http://www.w3.org/2001/04/xmldsig-more#rsa-sha256");
- }
-
- {
- xmlpp::Element* reference = signed_info->add_child("Reference", "dsig");
- reference->set_attribute ("URI", "");
- {
- xmlpp::Element* transforms = reference->add_child("Transforms", "dsig");
- transforms->add_child("Transform", "dsig")->set_attribute (
- "Algorithm", "http://www.w3.org/2000/09/xmldsig#enveloped-signature"
- );
- }
- reference->add_child("DigestMethod", "dsig")->set_attribute("Algorithm", "http://www.w3.org/2000/09/xmldsig#sha1");
- /* This will be filled in by the signing later */
- reference->add_child("DigestValue", "dsig");
+ xmlpp::Node* last = nullptr;
+ for (auto n: element->get_children()) {
+ auto e = dynamic_cast<xmlpp::Element*>(n);
+ if (e) {
+ element->add_child_text_before (e, "\n" + spaces(initial + 2));
+ indent (e, initial + 2);
+ last = n;
}
}
-
- add_signature_value (signature, certificates, signer_key, "dsig");
+ if (last) {
+ element->add_child_text (last, "\n" + spaces(initial));
+ }
}
-bool libdcp::operator== (libdcp::Size const & a, libdcp::Size const & b)
-{
- return (a.width == b.width && a.height == b.height);
-}
-bool libdcp::operator!= (libdcp::Size const & a, libdcp::Size const & b)
+bool
+dcp::day_less_than_or_equal (LocalTime a, LocalTime b)
{
- return !(a == b);
+ if (a.year() != b.year()) {
+ return a.year() < b.year();
+ }
+
+ if (a.month() != b.month()) {
+ return a.month() < b.month();
+ }
+
+ return a.day() <= b.day();
}
-/** The base64 decode routine in KM_util.cpp gives different values to both
- * this and the command-line base64 for some inputs. Not sure why.
- */
-int
-libdcp::base64_decode (string const & in, unsigned char* out, int out_length)
+
+bool
+dcp::day_greater_than_or_equal (LocalTime a, LocalTime b)
{
- BIO* b64 = BIO_new (BIO_f_base64 ());
+ if (a.year() != b.year()) {
+ return a.year() > b.year();
+ }
- /* This means the input should have no newlines */
- BIO_set_flags (b64, BIO_FLAGS_BASE64_NO_NL);
+ if (a.month() != b.month()) {
+ return a.month() > b.month();
+ }
- /* Copy our input string, removing newlines */
- char in_buffer[in.size() + 1];
- char* p = in_buffer;
- for (size_t i = 0; i < in.size(); ++i) {
- if (in[i] != '\n' && in[i] != '\r') {
- *p++ = in[i];
+ return a.day() >= b.day();
+}
+
+
+string
+dcp::unique_string (vector<string> existing, string base)
+{
+ int const max_tries = existing.size() + 1;
+ for (int i = 0; i < max_tries; ++i) {
+ string trial = String::compose("%1%2", base, i);
+ if (find(existing.begin(), existing.end(), trial) == existing.end()) {
+ return trial;
}
}
-
- BIO* bmem = BIO_new_mem_buf (in_buffer, p - in_buffer);
- bmem = BIO_push (b64, bmem);
- int const N = BIO_read (bmem, out, out_length);
- BIO_free_all (bmem);
- return N;
+ DCP_ASSERT (false);
}
-string
-libdcp::tm_to_string (struct tm* tm)
+
+ASDCPErrorSuspender::ASDCPErrorSuspender ()
+ : _old (Kumu::DefaultLogSink())
{
- char buffer[64];
- strftime (buffer, 64, "%Y-%m-%dT%I:%M:%S", tm);
+ _sink = new Kumu::EntryListLogSink(_log);
+ Kumu::SetDefaultLogSink (_sink);
+}
- int offset = 0;
-#ifdef LIBDCP_POSIX
- offset = tm->tm_gmtoff / 60;
-#else
- TIME_ZONE_INFORMATION tz;
- GetTimeZoneInformation (&tz);
- offset = tz.Bias;
-#endif
-
- return string (buffer) + utc_offset_to_string (offset);
+ASDCPErrorSuspender::~ASDCPErrorSuspender ()
+{
+ Kumu::SetDefaultLogSink (&_old);
+ delete _sink;
}
-/** @param b Offset from UTC to local time in minutes.
- * @return string of the form e.g. -01:00.
- */
-string
-libdcp::utc_offset_to_string (int b)
+
+boost::filesystem::path dcp::directory_containing_executable ()
{
- bool const negative = (b < 0);
- b = negative ? -b : b;
+#if BOOST_VERSION >= 106100
+ return filesystem::canonical(boost::dll::program_location().parent_path());
+#else
+ char buffer[PATH_MAX];
+ ssize_t N = readlink ("/proc/self/exe", buffer, PATH_MAX);
+ return boost::filesystem::path(string(buffer, N)).parent_path();
+#endif
+}
- int const hours = b / 60;
- int const minutes = b % 60;
- stringstream o;
- if (negative) {
- o << "-";
- } else {
- o << "+";
+boost::filesystem::path dcp::resources_directory ()
+{
+ /* We need a way to specify the tags directory for running un-installed binaries */
+ char* prefix = getenv("LIBDCP_RESOURCES");
+ if (prefix) {
+ return prefix;
}
- o << setw(2) << setfill('0') << hours << ":" << setw(2) << setfill('0') << minutes;
- return o.str ();
+#if defined(LIBDCP_OSX)
+ return directory_containing_executable().parent_path() / "Resources";
+#elif defined(LIBDCP_WINDOWS)
+ return directory_containing_executable().parent_path();
+#else
+ return directory_containing_executable().parent_path() / "share" / "libdcp";
+#endif
}
-string
-libdcp::ptime_to_string (boost::posix_time::ptime t)
-{
- struct tm t_tm = boost::posix_time::to_tm (t);
- return tm_to_string (&t_tm);
-}
+
projects / libdcp.git / blobdiff