X-Git-Url: https://git.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Futil.cc;h=7d0d2bf606c698d3a2a4881f2336c4e156456899;hp=e4f552c4d7c46177414b1db0e40352847f7bf705;hb=1a721b82d4094c00ee89574e17c58c23c0de8cdd;hpb=bcc4e2f7dc4cd5658e199ddacb7202b00ec72cf1 diff --git a/src/lib/util.cc b/src/lib/util.cc index e4f552c4d..7d0d2bf60 100644 --- a/src/lib/util.cc +++ b/src/lib/util.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2012-2020 Carl Hetherington + Copyright (C) 2012-2021 Carl Hetherington This file is part of DCP-o-matic. @@ -22,48 +22,62 @@ * @brief Some utility functions and classes. */ -#include "util.h" -#include "exceptions.h" -#include "dcp_content_type.h" -#include "filter.h" + +#define UNICODE 1 + + +#include "audio_buffers.h" +#include "audio_processor.h" #include "cinema_sound_processor.h" +#include "compose.hpp" #include "config.h" -#include "ratio.h" -#include "job.h" #include "cross.h" -#include "video_content.h" -#include "rect.h" -#include "digester.h" -#include "audio_processor.h" #include "crypto.h" -#include "compose.hpp" -#include "audio_buffers.h" -#include "string_text.h" -#include "font.h" -#include "render_text.h" +#include "dcp_content_type.h" +#include "digester.h" +#include "exceptions.h" #include "ffmpeg_image_proxy.h" +#include "filter.h" +#include "font.h" #include "image.h" -#include "text_decoder.h" +#include "job.h" #include "job_manager.h" +#include "ratio.h" +#include "rect.h" +#include "render_text.h" +#include "string_text.h" +#include "text_decoder.h" +#include "util.h" +#include "video_content.h" +#include +#include #include -#include -#include #include +#include #include #include +#include +#include +LIBDCP_DISABLE_WARNINGS extern "C" { #include #include #include } +LIBDCP_ENABLE_WARNINGS #include #include #include +#include +#include +#include #include #include #include #include +LIBDCP_DISABLE_WARNINGS #include +LIBDCP_ENABLE_WARNINGS #ifdef DCPOMATIC_WINDOWS #include #include @@ -81,24 +95,23 @@ extern "C" { #include "i18n.h" -using std::string; -using std::wstring; -using std::setfill; -using std::ostream; + +using std::bad_alloc; +using std::cout; using std::endl; -using std::vector; -using std::min; -using std::max; -using std::map; -using std::list; -using std::multimap; using std::istream; +using std::list; +using std::make_pair; +using std::make_shared; +using std::map; +using std::min; +using std::ostream; using std::pair; -using std::cout; -using std::bad_alloc; using std::set_terminate; -using std::make_pair; -using boost::shared_ptr; +using std::shared_ptr; +using std::string; +using std::vector; +using std::wstring; using boost::thread; using boost::optional; using boost::lexical_cast; @@ -109,6 +122,7 @@ using dcp::raw_convert; using dcp::locale_convert; using namespace dcpomatic; + /** Path to our executable, required by the stacktrace stuff and filled * in during App::onInit(). */ @@ -228,6 +242,7 @@ addr2line (void const * const addr) return system(addr2line_cmd); } +LIBDCP_DISABLE_WARNINGS /** This is called when C signals occur on Windows (e.g. SIGSEGV) * (NOT C++ exceptions!). We write a backtrace to backtrace_file by dark means. * Adapted from code here: http://spin.atomicobject.com/2013/01/13/exceptions-stack-traces-c/ @@ -235,9 +250,11 @@ addr2line (void const * const addr) LONG WINAPI exception_handler(struct _EXCEPTION_POINTERS * info) { - FILE* f = fopen_boost (backtrace_file, "w"); - fprintf (f, "C-style exception %d\n", info->ExceptionRecord->ExceptionCode); - fclose(f); + dcp::File f(backtrace_file, "w"); + if (f) { + fprintf(f.get(), "C-style exception %d\n", info->ExceptionRecord->ExceptionCode); + f.close(); + } if (info->ExceptionRecord->ExceptionCode != EXCEPTION_STACK_OVERFLOW) { CONTEXT* context = info->ContextRecord; @@ -284,6 +301,7 @@ exception_handler(struct _EXCEPTION_POINTERS * info) return EXCEPTION_CONTINUE_SEARCH; } +LIBDCP_ENABLE_WARNINGS #endif void @@ -354,14 +372,18 @@ dcpomatic_setup () SetUnhandledExceptionFilter(exception_handler); #endif +#ifdef DCPOMATIC_HAVE_AVREGISTER +LIBDCP_DISABLE_WARNINGS av_register_all (); avfilter_register_all (); +LIBDCP_ENABLE_WARNINGS +#endif #ifdef DCPOMATIC_OSX /* Add our library directory to the libltdl search path so that xmlsec can find xmlsec1-openssl. */ - boost::filesystem::path lib = app_contents (); + auto lib = directory_containing_executable().parent_path(); lib /= "Frameworks"; setenv ("LTDL_LIBRARY_PATH", lib.c_str (), 1); #endif @@ -370,31 +392,30 @@ dcpomatic_setup () #ifdef DCPOMATIC_WINDOWS putenv ("PANGOCAIRO_BACKEND=fontconfig"); - putenv (String::compose("FONTCONFIG_PATH=%1", shared_path().string()).c_str()); + putenv (String::compose("FONTCONFIG_PATH=%1", resources_path().string()).c_str()); #endif #ifdef DCPOMATIC_OSX setenv ("PANGOCAIRO_BACKEND", "fontconfig", 1); - setenv ("FONTCONFIG_PATH", shared_path().string().c_str(), 1); + setenv ("FONTCONFIG_PATH", resources_path().string().c_str(), 1); #endif Pango::init (); - dcp::init (); + dcp::init (libdcp_resources_path()); #if defined(DCPOMATIC_WINDOWS) || defined(DCPOMATIC_OSX) /* Render something to fontconfig to create its cache */ list subs; dcp::SubtitleString ss( - optional(), false, false, false, dcp::Colour(), 42, 1, dcp::Time(), dcp::Time(), 0, dcp::HALIGN_CENTER, 0, dcp::VALIGN_CENTER, dcp::DIRECTION_LTR, - "Hello dolly", dcp::NONE, dcp::Colour(), dcp::Time(), dcp::Time() + optional(), false, false, false, dcp::Colour(), 42, 1, dcp::Time(), dcp::Time(), 0, dcp::HAlign::CENTER, 0, dcp::VAlign::CENTER, dcp::Direction::LTR, + "Hello dolly", dcp::Effect::NONE, dcp::Colour(), dcp::Time(), dcp::Time(), 0 ); subs.push_back (StringText(ss, 0)); - render_text (subs, list >(), dcp::Size(640, 480), DCPTime(), 24); + render_text (subs, list>(), dcp::Size(640, 480), DCPTime(), 24); #endif Ratio::setup_ratios (); PresetColourConversion::setup_colour_conversion_presets (); - VideoContentScale::setup_scales (); DCPContentType::setup_dcp_content_types (); Filter::setup_filters (); CinemaSoundProcessor::setup_cinema_sound_processors (); @@ -471,16 +492,15 @@ digest_head_tail (vector files, boost::uintmax_t size) char* p = buffer.get (); int i = 0; while (i < int64_t (files.size()) && to_do > 0) { - FILE* f = fopen_boost (files[i], "rb"); + dcp::File f(files[i], "rb"); if (!f) { throw OpenFileError (files[i].string(), errno, OpenFileError::READ); } boost::uintmax_t this_time = min (to_do, boost::filesystem::file_size (files[i])); - checked_fread (p, this_time, f, files[i]); + f.checked_read(p, this_time); p += this_time; to_do -= this_time; - fclose (f); ++i; } @@ -491,17 +511,16 @@ digest_head_tail (vector files, boost::uintmax_t size) p = buffer.get (); i = files.size() - 1; while (i >= 0 && to_do > 0) { - FILE* f = fopen_boost (files[i], "rb"); + dcp::File f(files[i], "rb"); if (!f) { throw OpenFileError (files[i].string(), errno, OpenFileError::READ); } boost::uintmax_t this_time = min (to_do, boost::filesystem::file_size (files[i])); - dcpomatic_fseek (f, -this_time, SEEK_END); - checked_fread (p, this_time, f, files[i]); + f.seek(-this_time, SEEK_END); + f.checked_read(p, this_time); p += this_time; to_do -= this_time; - fclose (f); --i; } @@ -510,19 +529,14 @@ digest_head_tail (vector files, boost::uintmax_t size) return digester.get (); } -/** Round a number up to the nearest multiple of another number. - * @param c Index. - * @param stride Array of numbers to round, indexed by c. - * @param t Multiple to round to. - * @return Rounded number. - */ -int -stride_round_up (int c, int const * stride, int t) + +string +simple_digest (vector paths) { - int const a = stride[c] + (t - 1); - return a - (a % t); + return digest_head_tail(paths, 1000000) + raw_convert(boost::filesystem::file_size(paths.front())); } + /** Trip an assert if the caller is not in the UI thread */ void ensure_ui_thread () @@ -583,7 +597,7 @@ short_audio_channel_name (int c) _("BsR"), _("DBP"), _("DBS"), - "", + _("Sign"), "" }; @@ -598,13 +612,13 @@ valid_image_file (boost::filesystem::path f) return false; } - string ext = f.extension().string(); + auto ext = f.extension().string(); transform (ext.begin(), ext.end(), ext.begin(), ::tolower); return ( ext == ".tif" || ext == ".tiff" || ext == ".jpg" || ext == ".jpeg" || ext == ".png" || ext == ".bmp" || ext == ".tga" || ext == ".dpx" || ext == ".j2c" || ext == ".j2k" || ext == ".jp2" || ext == ".exr" || - ext == ".jpf" + ext == ".jpf" || ext == ".psd" ); } @@ -615,7 +629,7 @@ valid_sound_file (boost::filesystem::path f) return false; } - string ext = f.extension().string(); + auto ext = f.extension().string(); transform (ext.begin(), ext.end(), ext.begin(), ::tolower); return (ext == ".wav" || ext == ".mp3" || ext == ".aif" || ext == ".aiff"); } @@ -623,7 +637,7 @@ valid_sound_file (boost::filesystem::path f) bool valid_j2k_file (boost::filesystem::path f) { - string ext = f.extension().string(); + auto ext = f.extension().string(); transform (ext.begin(), ext.end(), ext.begin(), ::tolower); return (ext == ".j2k" || ext == ".j2c" || ext == ".jp2"); } @@ -645,16 +659,6 @@ fit_ratio_within (float ratio, dcp::Size full_frame) return dcp::Size (full_frame.width, lrintf (full_frame.width / ratio)); } -void * -wrapped_av_malloc (size_t s) -{ - void* p = av_malloc (s); - if (!p) { - throw bad_alloc (); - } - return p; -} - map split_get_request (string url) { @@ -727,6 +731,21 @@ audio_asset_filename (shared_ptr asset, int reel_index, int ree return Config::instance()->dcp_asset_filename_format().get(values, "_" + asset->id() + ".mxf"); } + +string +atmos_asset_filename (shared_ptr asset, int reel_index, int reel_count, optional summary) +{ + dcp::NameFormat::Map values; + values['t'] = "atmos"; + values['r'] = raw_convert (reel_index + 1); + values['n'] = raw_convert (reel_count); + if (summary) { + values['c'] = careful_string_filter (summary.get()); + } + return Config::instance()->dcp_asset_filename_format().get(values, "_" + asset->id() + ".mxf"); +} + + float relaxed_string_to_float (string s) { @@ -747,28 +766,33 @@ careful_string_filter (string s) Safety first and all that. */ - wstring ws = boost::locale::conv::utf_to_utf(s); - - string out; - string const allowed = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_%.+"; - for (size_t i = 0; i < ws.size(); ++i) { + /* First transliterate using libicu to try to remove accents in a "nice" way */ + auto transliterated = icu::UnicodeString::fromUTF8(icu::StringPiece(s)); + auto status = U_ZERO_ERROR; + auto transliterator = icu::Transliterator::createInstance("NFD; [:M:] Remove; NFC", UTRANS_FORWARD, status); + transliterator->transliterate(transliterated); - wchar_t c = ws[i]; + /* Some things are missed by ICU's transliterator */ + std::map replacements = { + { L'ł', L'l' }, + { L'Ł', L'L' } + }; - /* Remove some accents */ - if (wstring(L"áàâ").find(c) != string::npos) { - c = 'a'; - } - if (wstring(L"éèêë").find(c) != string::npos) { - c = 'e'; - } - if (wstring(L"ö").find(c) != string::npos) { - c = 'o'; - } - if (wstring(L"ü").find(c) != string::npos) { - c = 'u'; + icu::UnicodeString transliterated_more; + for (int i = 0; i < transliterated.length(); ++i) { + auto replacement = replacements.find(transliterated[i]); + if (replacement != replacements.end()) { + transliterated_more += replacement->second; + } else { + transliterated_more += transliterated[i]; } + } + /* Then remove anything that's not in a very limited character set */ + wstring out; + wstring const allowed = L"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_%.+"; + for (size_t i = 0; i < transliterated_more.length(); ++i) { + wchar_t c = transliterated_more[i]; if (allowed.find(c) != string::npos) { out += c; } @@ -787,29 +811,31 @@ audio_channel_types (list mapped, int channels) int non_lfe = 0; int lfe = 0; - BOOST_FOREACH (int i, mapped) { + for (auto i: mapped) { if (i >= channels) { /* This channel is mapped but is not included in the DCP */ continue; } switch (static_cast(i)) { - case dcp::LFE: + case dcp::Channel::LFE: ++lfe; break; - case dcp::LEFT: - case dcp::RIGHT: - case dcp::CENTRE: - case dcp::LS: - case dcp::RS: - case dcp::LC: - case dcp::RC: - case dcp::BSL: - case dcp::BSR: + case dcp::Channel::LEFT: + case dcp::Channel::RIGHT: + case dcp::Channel::CENTRE: + case dcp::Channel::LS: + case dcp::Channel::RS: + case dcp::Channel::BSL: + case dcp::Channel::BSR: ++non_lfe; break; - case dcp::HI: - case dcp::VI: + case dcp::Channel::HI: + case dcp::Channel::VI: + case dcp::Channel::MOTION_DATA: + case dcp::Channel::SYNC_SIGNAL: + case dcp::Channel::SIGN_LANGUAGE: + case dcp::Channel::CHANNEL_COUNT: break; } } @@ -820,17 +846,19 @@ audio_channel_types (list mapped, int channels) shared_ptr remap (shared_ptr input, int output_channels, AudioMapping map) { - shared_ptr mapped (new AudioBuffers (output_channels, input->frames())); + auto mapped = make_shared(output_channels, input->frames()); mapped->make_silent (); - for (int i = 0; i < map.input_channels(); ++i) { + int to_do = min (map.input_channels(), input->channels()); + + for (int i = 0; i < to_do; ++i) { for (int j = 0; j < mapped->channels(); ++j) { - if (map.get (i, static_cast (j)) > 0) { - mapped->accumulate_channel ( + if (map.get(i, j) > 0) { + mapped->accumulate_channel( input.get(), i, - static_cast (j), - map.get (i, static_cast (j)) + j, + map.get(i, j) ); } } @@ -842,42 +870,13 @@ remap (shared_ptr input, int output_channels, AudioMapping m Eyes increment_eyes (Eyes e) { - if (e == EYES_LEFT) { - return EYES_RIGHT; + if (e == Eyes::LEFT) { + return Eyes::RIGHT; } - return EYES_LEFT; + return Eyes::LEFT; } -void -checked_fwrite (void const * ptr, size_t size, FILE* stream, boost::filesystem::path path) -{ - size_t N = fwrite (ptr, 1, size, stream); - if (N != size) { - if (ferror(stream)) { - fclose (stream); - throw FileError (String::compose("fwrite error %1", errno), path); - } else { - fclose (stream); - throw FileError ("Unexpected short write", path); - } - } -} - -void -checked_fread (void* ptr, size_t size, FILE* stream, boost::filesystem::path path) -{ - size_t N = fread (ptr, 1, size, stream); - if (N != size) { - if (ferror(stream)) { - fclose (stream); - throw FileError (String::compose("fread error %1", errno), path); - } else { - fclose (stream); - throw FileError ("Unexpected short read", path); - } - } -} size_t utf8_strlen (string s) @@ -927,32 +926,32 @@ emit_subtitle_image (ContentTimePeriod period, dcp::SubtitleImage sub, dcp::Size { /* XXX: this is rather inefficient; decoding the image just to get its size */ FFmpegImageProxy proxy (sub.png_image()); - shared_ptr image = proxy.image().first; + auto image = proxy.image(Image::Alignment::PADDED).image; /* set up rect with height and width */ dcpomatic::Rect rect(0, 0, image->size().width / double(size.width), image->size().height / double(size.height)); /* add in position */ switch (sub.h_align()) { - case dcp::HALIGN_LEFT: + case dcp::HAlign::LEFT: rect.x += sub.h_position(); break; - case dcp::HALIGN_CENTER: + case dcp::HAlign::CENTER: rect.x += 0.5 + sub.h_position() - rect.width / 2; break; - case dcp::HALIGN_RIGHT: + case dcp::HAlign::RIGHT: rect.x += 1 - sub.h_position() - rect.width; break; } switch (sub.v_align()) { - case dcp::VALIGN_TOP: + case dcp::VAlign::TOP: rect.y += sub.v_position(); break; - case dcp::VALIGN_CENTER: + case dcp::VAlign::CENTER: rect.y += 0.5 + sub.v_position() - rect.height / 2; break; - case dcp::VALIGN_BOTTOM: + case dcp::VAlign::BOTTOM: rect.y += 1 - sub.v_position() - rect.height; break; } @@ -969,7 +968,7 @@ show_jobs_on_console (bool progress) dcpomatic_sleep_seconds (5); - list > jobs = JobManager::instance()->get(); + auto jobs = JobManager::instance()->get(); if (!first && progress) { for (size_t i = 0; i < jobs.size(); ++i) { @@ -980,7 +979,7 @@ show_jobs_on_console (bool progress) first = false; - BOOST_FOREACH (shared_ptr i, jobs) { + for (auto i: jobs) { if (progress) { cout << i->name(); if (!i->sub_name().empty()) { @@ -1017,170 +1016,132 @@ show_jobs_on_console (bool progress) /** XXX: could use mmap? */ void -copy_in_bits (boost::filesystem::path from, boost::filesystem::path to, boost::function progress) +copy_in_bits (boost::filesystem::path from, boost::filesystem::path to, std::function progress) { - FILE* f = fopen_boost (from, "rb"); + dcp::File f(from, "rb"); if (!f) { throw OpenFileError (from, errno, OpenFileError::READ); } - FILE* t = fopen_boost (to, "wb"); + dcp::File t(to, "wb"); if (!t) { - fclose (f); throw OpenFileError (to, errno, OpenFileError::WRITE); } /* on the order of a second's worth of copying */ boost::uintmax_t const chunk = 20 * 1024 * 1024; - uint8_t* buffer = static_cast (malloc(chunk)); - if (!buffer) { - throw std::bad_alloc (); - } + std::vector buffer(chunk); boost::uintmax_t const total = boost::filesystem::file_size (from); boost::uintmax_t remaining = total; while (remaining) { boost::uintmax_t this_time = min (chunk, remaining); - size_t N = fread (buffer, 1, chunk, f); + size_t N = f.read(buffer.data(), 1, chunk); if (N < this_time) { - fclose (f); - fclose (t); - free (buffer); throw ReadFileError (from, errno); } - N = fwrite (buffer, 1, this_time, t); + N = t.write(buffer.data(), 1, this_time); if (N < this_time) { - fclose (f); - fclose (t); - free (buffer); throw WriteFileError (to, errno); } progress (1 - float(remaining) / total); remaining -= this_time; } - - fclose (f); - fclose (t); - free (buffer); } -#ifdef DCPOMATIC_VARIANT_SWAROOP -/* Make up a key from the machine UUID */ -dcp::Data -key_from_uuid () +dcp::Size +scale_for_display (dcp::Size s, dcp::Size display_container, dcp::Size film_container, PixelQuanta quanta) { - dcp::Data key (dcpomatic::crypto_key_length()); - memset (key.data().get(), 0, key.size()); - string const magic = command_and_read ("dcpomatic2_uuid"); - strncpy ((char *) key.data().get(), magic.c_str(), dcpomatic::crypto_key_length()); - return key; -} - -/* swaroop chain file format: - * - * 0 [int16_t] IV length - * 2 [int16_t] cert #1 length, or 0 for none - * 4 [int16_t] cert #2 length, or 0 for none - * 6 [int16_t] cert #3 length, or 0 for none - * 8 [int16_t] cert #4 length, or 0 for none - * 10 [int16_t] cert #5 length, or 0 for none - * 12 [int16_t] cert #6 length, or 0 for none - * 14 [int16_t] cert #7 length, or 0 for none - * 16 [int16_t] cert #8 length, or 0 for none - * 16 [int16_t] private key length - * 20 IV - * cert #1 - * cert #2 - * cert #3 - * cert #4 - * cert #5 - * cert #6 - * cert #7 - * cert #8 - * private key - */ + /* Now scale it down if the display container is smaller than the film container */ + if (display_container != film_container) { + float const scale = min ( + float (display_container.width) / film_container.width, + float (display_container.height) / film_container.height + ); + + s.width = lrintf (s.width * scale); + s.height = lrintf (s.height * scale); + s = quanta.round (s); + } -struct __attribute__ ((packed)) Header_ { - int16_t iv_length; - int16_t cert_length[8]; - int16_t private_key_length; -}; + return s; +} -typedef struct Header_ Header; -shared_ptr -read_swaroop_chain (boost::filesystem::path path) +dcp::DecryptedKDM +decrypt_kdm_with_helpful_error (dcp::EncryptedKDM kdm) { - dcp::Data data (path); - Header* header = (Header *) data.data().get(); - uint8_t* p = data.data().get() + sizeof(Header); - - dcp::Data iv (p, header->iv_length); - p += iv.size(); - - shared_ptr cc (new dcp::CertificateChain()); - for (int i = 0; i < 8; ++i) { - if (header->cert_length[i] == 0) { - break; + try { + return dcp::DecryptedKDM (kdm, Config::instance()->decryption_chain()->key().get()); + } catch (dcp::KDMDecryptionError& e) { + /* Try to flesh out the error a bit */ + auto const kdm_subject_name = kdm.recipient_x509_subject_name(); + bool on_chain = false; + auto dc = Config::instance()->decryption_chain(); + for (auto i: dc->root_to_leaf()) { + if (i.subject() == kdm_subject_name) { + on_chain = true; + } + } + if (!on_chain) { + throw KDMError (_("This KDM was not made for DCP-o-matic's decryption certificate."), e.what()); + } else if (kdm_subject_name != dc->leaf().subject()) { + throw KDMError (_("This KDM was made for DCP-o-matic but not for its leaf certificate."), e.what()); + } else { + throw; } - dcp::Data c(p, header->cert_length[i]); - p += c.size(); - cc->add (dcp::Certificate(dcpomatic::decrypt(c, key_from_uuid(), iv))); } - - dcp::Data k (p, header->private_key_length); - cc->set_key (dcpomatic::decrypt(k, key_from_uuid(), iv)); - return cc; } -void -write_swaroop_chain (shared_ptr chain, boost::filesystem::path output) -{ - scoped_array buffer (new uint8_t[65536]); - Header* header = (Header *) buffer.get(); - memset (header, 0, sizeof(Header)); - uint8_t* p = buffer.get() + sizeof(Header); - dcp::Data iv = dcpomatic::random_iv (); - header->iv_length = iv.size (); - memcpy (p, iv.data().get(), iv.size()); - p += iv.size(); +boost::filesystem::path +default_font_file () +{ + boost::filesystem::path liberation_normal; + try { + liberation_normal = resources_path() / "LiberationSans-Regular.ttf"; + if (!boost::filesystem::exists (liberation_normal)) { + /* Hack for unit tests */ + liberation_normal = resources_path() / "fonts" / "LiberationSans-Regular.ttf"; + } + } catch (boost::filesystem::filesystem_error& e) { - int N = 0; - BOOST_FOREACH (dcp::Certificate i, chain->root_to_leaf()) { - dcp::Data e = dcpomatic::encrypt (i.certificate(true), key_from_uuid(), iv); - memcpy (p, e.data().get(), e.size()); - p += e.size(); - DCPOMATIC_ASSERT (N < 8); - header->cert_length[N] = e.size (); - ++N; } - dcp::Data k = dcpomatic::encrypt (chain->key().get(), key_from_uuid(), iv); - memcpy (p, k.data().get(), k.size()); - p += k.size(); - header->private_key_length = k.size (); + if (!boost::filesystem::exists(liberation_normal)) { + liberation_normal = "/usr/share/fonts/truetype/liberation/LiberationSans-Regular.ttf"; + } - FILE* f = fopen_boost (output, "wb"); - checked_fwrite (buffer.get(), p - buffer.get(), f, output); - fclose (f); + return liberation_normal; } -#endif -double -db_to_linear (double db) +string +to_upper (string s) { - return pow(10, db / 20); + transform (s.begin(), s.end(), s.begin(), ::toupper); + return s; } -double -linear_to_db (double linear) + +/* Set to 1 to print the IDs of some of our threads to stdout on creation */ +#define DCPOMATIC_DEBUG_THREADS 0 + +#if DCPOMATIC_DEBUG_THREADS +void +start_of_thread (string name) { - return 20 * log10(linear); + std::cout << "THREAD:" << name << ":" << std::hex << pthread_self() << "\n"; } +#else +void +start_of_thread (string) +{ + +} +#endif