X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Futil.cc;h=1f6fba96302b4f9b3dc8943374860221fcc7b1cf;hb=c4403784febdbdd42e9c32e67fadb147f11fe566;hp=3ab864c2ff5db919c31b5224dc5731dd52379444;hpb=59f63e2b6d0dba963faee7dfee54fbb48dee396a;p=dcpomatic.git diff --git a/src/lib/util.cc b/src/lib/util.cc index 3ab864c2f..1f6fba963 100644 --- a/src/lib/util.cc +++ b/src/lib/util.cc @@ -1,20 +1,20 @@ /* - Copyright (C) 2012-2014 Carl Hetherington - Copyright (C) 2000-2007 Paul Davis + Copyright (C) 2012-2019 Carl Hetherington - This program is free software; you can redistribute it and/or modify + This file is part of DCP-o-matic. + + DCP-o-matic 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, + DCP-o-matic 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 DCP-o-matic. If not, see . */ @@ -24,7 +24,6 @@ #include "util.h" #include "exceptions.h" -#include "scaler.h" #include "dcp_content_type.h" #include "filter.h" #include "cinema_sound_processor.h" @@ -34,36 +33,36 @@ #include "cross.h" #include "video_content.h" #include "rect.h" -#include "md5_digester.h" +#include "digester.h" #include "audio_processor.h" -#include "safe_stringstream.h" -#include +#include "crypto.h" +#include "compose.hpp" +#include "audio_buffers.h" +#include "string_text.h" +#include "font.h" +#include "render_text.h" +#include "ffmpeg_image_proxy.h" +#include "image.h" +#include "text_decoder.h" +#include #include -#include #include +#include +#include +#include extern "C" { -#include +#include #include -#include -#include -#include +#include } +#include #include -#include #include -#ifdef DCPOMATIC_IMAGE_MAGICK -#include -#else -#include -#include -#endif -#include -#include #include -#include -#include +#include #include #include +#include #ifdef DCPOMATIC_WINDOWS #include #include @@ -82,12 +81,14 @@ extern "C" { #include "i18n.h" using std::string; +using std::wstring; using std::setfill; using std::ostream; using std::endl; using std::vector; using std::min; using std::max; +using std::map; using std::list; using std::multimap; using std::istream; @@ -95,16 +96,23 @@ using std::pair; using std::cout; using std::bad_alloc; using std::set_terminate; +using std::make_pair; using boost::shared_ptr; using boost::thread; using boost::optional; +using boost::lexical_cast; +using boost::bad_lexical_cast; +using boost::scoped_array; using dcp::Size; 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(). */ string program_name; +bool is_batch_converter = false; static boost::thread::id ui_thread; static boost::filesystem::path backtrace_file; @@ -123,14 +131,25 @@ seconds_to_hms (int s) int h = m / 60; m -= (h * 60); - SafeStringStream hms; - hms << h << N_(":"); - hms.width (2); - hms << setfill ('0') << m << N_(":"); - hms.width (2); - hms << setfill ('0') << s; + char buffer[64]; + snprintf (buffer, sizeof(buffer), "%d:%02d:%02d", h, m, s); + return buffer; +} + +string +time_to_hmsf (DCPTime time, Frame rate) +{ + Frame f = time.frames_round (rate); + int s = f / rate; + f -= (s * rate); + int m = s / 60; + s -= m * 60; + int h = m / 60; + m -= h * 60; - return hms.str (); + char buffer[64]; + snprintf (buffer, sizeof(buffer), "%d:%02d:%02d.%d", h, m, s, static_cast(f)); + return buffer; } /** @param s Number of seconds. @@ -144,59 +163,51 @@ seconds_to_approximate_hms (int s) int h = m / 60; m -= (h * 60); - SafeStringStream ap; + string ap; - bool const hours = h > 0; - bool const minutes = h < 10 && m > 0; - bool const seconds = m < 10 && s > 0; + bool hours = h > 0; + bool minutes = h < 6 && m > 0; + bool seconds = h == 0 && m < 10 && s > 0; - if (hours) { - if (m > 30 && !minutes) { - /// TRANSLATORS: h here is an abbreviation for hours - ap << (h + 1) << _("h"); - } else { - /// TRANSLATORS: h here is an abbreviation for hours - ap << h << _("h"); + if (m > 30 && !minutes) { + /* round up the hours */ + ++h; + } + if (s > 30 && !seconds) { + /* round up the minutes */ + ++m; + if (m == 60) { + m = 0; + minutes = false; + ++h; } + } + + if (hours) { + /// TRANSLATORS: h here is an abbreviation for hours + ap += locale_convert(h) + _("h"); - if (minutes | seconds) { - ap << N_(" "); + if (minutes || seconds) { + ap += N_(" "); } } if (minutes) { - /* Minutes */ - if (s > 30 && !seconds) { - /// TRANSLATORS: m here is an abbreviation for minutes - ap << (m + 1) << _("m"); - } else { - /// TRANSLATORS: m here is an abbreviation for minutes - ap << m << _("m"); - } + /// TRANSLATORS: m here is an abbreviation for minutes + ap += locale_convert(m) + _("m"); if (seconds) { - ap << N_(" "); + ap += N_(" "); } } if (seconds) { /* Seconds */ /// TRANSLATORS: s here is an abbreviation for seconds - ap << s << _("s"); + ap += locale_convert(s) + _("s"); } - return ap.str (); -} - -/** @param v Version as used by FFmpeg. - * @return A string representation of v. - */ -static string -ffmpeg_version_to_string (int v) -{ - SafeStringStream s; - s << ((v & 0xff0000) >> 16) << N_(".") << ((v & 0xff00) >> 8) << N_(".") << (v & 0xff); - return s.str (); + return ap; } double @@ -212,7 +223,7 @@ int addr2line (void const * const addr) { char addr2line_cmd[512] = { 0 }; - sprintf (addr2line_cmd, "addr2line -f -p -e %.256s %p > %s", program_name.c_str(), addr, backtrace_file.string().c_str()); + sprintf (addr2line_cmd, "addr2line -f -p -e %.256s %p > %s", program_name.c_str(), addr, backtrace_file.string().c_str()); return system(addr2line_cmd); } @@ -226,19 +237,19 @@ 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); - + if (info->ExceptionRecord->ExceptionCode != EXCEPTION_STACK_OVERFLOW) { CONTEXT* context = info->ContextRecord; SymInitialize (GetCurrentProcess (), 0, true); - + STACKFRAME frame = { 0 }; - + /* setup initial stack frame */ #if _WIN64 frame.AddrPC.Offset = context->Rip; frame.AddrStack.Offset = context->Rsp; frame.AddrFrame.Offset = context->Rbp; -#else +#else frame.AddrPC.Offset = context->Eip; frame.AddrStack.Offset = context->Esp; frame.AddrFrame.Offset = context->Ebp; @@ -246,7 +257,7 @@ exception_handler(struct _EXCEPTION_POINTERS * info) frame.AddrPC.Mode = AddrModeFlat; frame.AddrStack.Mode = AddrModeFlat; frame.AddrFrame.Mode = AddrModeFlat; - + while ( StackWalk ( IMAGE_FILE_MACHINE_I386, @@ -263,13 +274,13 @@ exception_handler(struct _EXCEPTION_POINTERS * info) addr2line((void *) frame.AddrPC.Offset); } } else { -#ifdef _WIN64 +#ifdef _WIN64 addr2line ((void *) info->ContextRecord->Rip); -#else +#else addr2line ((void *) info->ContextRecord->Eip); -#endif +#endif } - + return EXCEPTION_CONTINUE_SEARCH; } #endif @@ -288,9 +299,8 @@ set_backtrace_file (boost::filesystem::path p) void terminate () { - static bool tried_throw = false; - try { + static bool tried_throw = false; // try once to re-throw currently active exception if (!tried_throw) { tried_throw = true; @@ -302,25 +312,17 @@ terminate () << e.what() << std::endl; } catch (...) { - std::cerr << __FUNCTION__ << " caught unknown/unhandled exception." + std::cerr << __FUNCTION__ << " caught unknown/unhandled exception." << std::endl; } abort(); } -/** Call the required functions to set up DCP-o-matic's static arrays, etc. - * Must be called from the UI thread, if there is one. - */ void -dcpomatic_setup () +dcpomatic_setup_path_encoding () { #ifdef DCPOMATIC_WINDOWS - boost::filesystem::path p = g_get_user_config_dir (); - p /= "backtrace.txt"; - set_backtrace_file (p); - SetUnhandledExceptionFilter(exception_handler); - /* Dark voodoo which, I think, gets boost::filesystem::path to correctly convert UTF-8 strings to paths, and also paths back to UTF-8 strings (on path::string()). @@ -335,32 +337,70 @@ dcpomatic_setup () */ std::locale::global (boost::locale::generator().generate ("")); boost::filesystem::path::imbue (std::locale ()); -#endif - +#endif +} + +/** Call the required functions to set up DCP-o-matic's static arrays, etc. + * Must be called from the UI thread, if there is one. + */ +void +dcpomatic_setup () +{ +#ifdef DCPOMATIC_WINDOWS + boost::filesystem::path p = g_get_user_config_dir (); + p /= "backtrace.txt"; + set_backtrace_file (p); + SetUnhandledExceptionFilter(exception_handler); +#endif + + av_register_all (); avfilter_register_all (); #ifdef DCPOMATIC_OSX - /* Add our lib directory to the libltdl search path so that + /* Add our library directory to the libltdl search path so that xmlsec can find xmlsec1-openssl. */ boost::filesystem::path lib = app_contents (); - lib /= "lib"; + lib /= "Frameworks"; setenv ("LTDL_LIBRARY_PATH", lib.c_str (), 1); #endif set_terminate (terminate); +#ifdef DCPOMATIC_WINDOWS + putenv ("PANGOCAIRO_BACKEND=fontconfig"); + putenv (String::compose("FONTCONFIG_PATH=%1", shared_path().string()).c_str()); +#endif + +#ifdef DCPOMATIC_OSX + setenv ("PANGOCAIRO_BACKEND", "fontconfig", 1); + setenv ("FONTCONFIG_PATH", shared_path().string().c_str(), 1); +#endif + Pango::init (); dcp::init (); - + +#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() + ); + subs.push_back (StringText(ss, 0)); + 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 (); - Scaler::setup_scalers (); Filter::setup_filters (); CinemaSoundProcessor::setup_cinema_sound_processors (); AudioProcessor::setup_audio_processors (); + curl_global_init (CURL_GLOBAL_ALL); + ui_thread = boost::this_thread::get_id (); } @@ -406,481 +446,606 @@ dcpomatic_setup_gettext_i18n (string lang) } setlocale (LC_ALL, ""); - textdomain ("libdcpomatic"); + textdomain ("libdcpomatic2"); #if defined(DCPOMATIC_WINDOWS) || defined(DCPOMATIC_OSX) - bindtextdomain ("libdcpomatic", mo_path().string().c_str()); - bind_textdomain_codeset ("libdcpomatic", "UTF8"); -#endif + bindtextdomain ("libdcpomatic2", mo_path().string().c_str()); + bind_textdomain_codeset ("libdcpomatic2", "UTF8"); +#endif #ifdef DCPOMATIC_LINUX - bindtextdomain ("libdcpomatic", POSIX_LOCALE_PREFIX); + bindtextdomain ("libdcpomatic2", LINUX_LOCALE_PREFIX); #endif } -/** @param s A string. - * @return Parts of the string split at spaces, except when a space is within quotation marks. - */ -vector -split_at_spaces_considering_quotes (string s) -{ - vector out; - bool in_quotes = false; - string c; - for (string::size_type i = 0; i < s.length(); ++i) { - if (s[i] == ' ' && !in_quotes) { - out.push_back (c); - c = N_(""); - } else if (s[i] == '"') { - in_quotes = !in_quotes; - } else { - c += s[i]; - } - } - - out.push_back (c); - return out; -} - -/** @param job Optional job for which to report progress */ +/** Compute a digest of the first and last `size' bytes of a set of files. */ string -md5_digest (vector files, shared_ptr job) +digest_head_tail (vector files, boost::uintmax_t size) { - boost::uintmax_t const buffer_size = 64 * 1024; - char buffer[buffer_size]; - - MD5Digester digester; - - vector sizes; - for (size_t i = 0; i < files.size(); ++i) { - sizes.push_back (boost::filesystem::file_size (files[i])); - } - - for (size_t i = 0; i < files.size(); ++i) { + boost::scoped_array buffer (new char[size]); + Digester digester; + + /* Head */ + boost::uintmax_t to_do = size; + char* p = buffer.get (); + int i = 0; + while (i < int64_t (files.size()) && to_do > 0) { FILE* f = fopen_boost (files[i], "rb"); if (!f) { - throw OpenFileError (files[i].string()); + throw OpenFileError (files[i].string(), errno, true); } - boost::uintmax_t const bytes = boost::filesystem::file_size (files[i]); - boost::uintmax_t remaining = bytes; + boost::uintmax_t this_time = min (to_do, boost::filesystem::file_size (files[i])); + checked_fread (p, this_time, f, files[i]); + p += this_time; + to_do -= this_time; + fclose (f); - while (remaining > 0) { - int const t = min (remaining, buffer_size); - int const r = fread (buffer, 1, t, f); - if (r != t) { - throw ReadFileError (files[i], errno); - } - digester.add (buffer, t); - remaining -= t; + ++i; + } + digester.add (buffer.get(), size - to_do); - if (job) { - job->set_progress ((float (i) + 1 - float(remaining) / bytes) / files.size ()); - } + /* Tail */ + to_do = size; + p = buffer.get (); + i = files.size() - 1; + while (i >= 0 && to_do > 0) { + FILE* f = fopen_boost (files[i], "rb"); + if (!f) { + throw OpenFileError (files[i].string(), errno, true); } + 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]); + p += this_time; + to_do -= this_time; fclose (f); + + --i; } + digester.add (buffer.get(), size - to_do); return digester.get (); } -/** @param An arbitrary audio frame rate. - * @return The appropriate DCP-approved frame rate (48kHz or 96kHz). +/** 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 -dcp_audio_frame_rate (int fs) +stride_round_up (int c, int const * stride, int t) { - if (fs <= 48000) { - return 48000; - } - - return 96000; + int const a = stride[c] + (t - 1); + return a - (a % t); } -Socket::Socket (int timeout) - : _deadline (_io_service) - , _socket (_io_service) - , _acceptor (0) - , _timeout (timeout) +/** Trip an assert if the caller is not in the UI thread */ +void +ensure_ui_thread () { - _deadline.expires_at (boost::posix_time::pos_infin); - check (); + DCPOMATIC_ASSERT (boost::this_thread::get_id() == ui_thread); } -Socket::~Socket () +string +audio_channel_name (int c) { - delete _acceptor; -} + DCPOMATIC_ASSERT (MAX_DCP_AUDIO_CHANNELS == 16); -void -Socket::check () -{ - if (_deadline.expires_at() <= boost::asio::deadline_timer::traits_type::now ()) { - if (_acceptor) { - _acceptor->cancel (); - } else { - _socket.close (); - } - _deadline.expires_at (boost::posix_time::pos_infin); - } + /// TRANSLATORS: these are the names of audio channels; Lfe (sub) is the low-frequency + /// enhancement channel (sub-woofer). + string const channels[] = { + _("Left"), + _("Right"), + _("Centre"), + _("Lfe (sub)"), + _("Left surround"), + _("Right surround"), + _("Hearing impaired"), + _("Visually impaired"), + _("Left centre"), + _("Right centre"), + _("Left rear surround"), + _("Right rear surround"), + _("D-BOX primary"), + _("D-BOX secondary"), + _("Unused"), + _("Unused") + }; - _deadline.async_wait (boost::bind (&Socket::check, this)); + return channels[c]; } -/** Blocking connect. - * @param endpoint End-point to connect to. - */ -void -Socket::connect (boost::asio::ip::tcp::endpoint endpoint) +string +short_audio_channel_name (int c) { - _deadline.expires_from_now (boost::posix_time::seconds (_timeout)); - boost::system::error_code ec = boost::asio::error::would_block; - _socket.async_connect (endpoint, boost::lambda::var(ec) = boost::lambda::_1); - do { - _io_service.run_one(); - } while (ec == boost::asio::error::would_block); + DCPOMATIC_ASSERT (MAX_DCP_AUDIO_CHANNELS == 16); - if (ec) { - throw NetworkError (String::compose (_("error during async_connect (%1)"), ec.value ())); - } + /// TRANSLATORS: these are short names of audio channels; Lfe is the low-frequency + /// enhancement channel (sub-woofer). HI is the hearing-impaired audio track and + /// VI is the visually-impaired audio track (audio describe). DBP is the D-BOX + /// primary channel and DBS is the D-BOX secondary channel. + string const channels[] = { + _("L"), + _("R"), + _("C"), + _("Lfe"), + _("Ls"), + _("Rs"), + _("HI"), + _("VI"), + _("Lc"), + _("Rc"), + _("BsL"), + _("BsR"), + _("DBP"), + _("DBS"), + "", + "" + }; - if (!_socket.is_open ()) { - throw NetworkError (_("connect timed out")); - } + return channels[c]; } -void -Socket::accept (int port) -{ - _acceptor = new boost::asio::ip::tcp::acceptor (_io_service, boost::asio::ip::tcp::endpoint (boost::asio::ip::tcp::v4(), port)); - - _deadline.expires_from_now (boost::posix_time::seconds (_timeout)); - boost::system::error_code ec = boost::asio::error::would_block; - _acceptor->async_accept (_socket, boost::lambda::var(ec) = boost::lambda::_1); - do { - _io_service.run_one (); - } while (ec == boost::asio::error::would_block); - delete _acceptor; - _acceptor = 0; - - if (ec) { - throw NetworkError (String::compose (_("error during async_accept (%1)"), ec.value ())); +bool +valid_image_file (boost::filesystem::path f) +{ + if (boost::starts_with (f.leaf().string(), "._")) { + return false; } + + string 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" + ); } -/** Blocking write. - * @param data Buffer to write. - * @param size Number of bytes to write. - */ -void -Socket::write (uint8_t const * data, int size) +bool +valid_sound_file (boost::filesystem::path f) { - _deadline.expires_from_now (boost::posix_time::seconds (_timeout)); - boost::system::error_code ec = boost::asio::error::would_block; - - boost::asio::async_write (_socket, boost::asio::buffer (data, size), boost::lambda::var(ec) = boost::lambda::_1); - - do { - _io_service.run_one (); - } while (ec == boost::asio::error::would_block); - - if (ec) { - throw NetworkError (String::compose (_("error during async_write (%1)"), ec.value ())); + if (boost::starts_with (f.leaf().string(), "._")) { + return false; } -} -void -Socket::write (uint32_t v) -{ - v = htonl (v); - write (reinterpret_cast (&v), 4); + string ext = f.extension().string(); + transform (ext.begin(), ext.end(), ext.begin(), ::tolower); + return (ext == ".wav" || ext == ".mp3" || ext == ".aif" || ext == ".aiff"); } -/** Blocking read. - * @param data Buffer to read to. - * @param size Number of bytes to read. - */ -void -Socket::read (uint8_t* data, int size) +bool +valid_j2k_file (boost::filesystem::path f) { - _deadline.expires_from_now (boost::posix_time::seconds (_timeout)); - boost::system::error_code ec = boost::asio::error::would_block; - - boost::asio::async_read (_socket, boost::asio::buffer (data, size), boost::lambda::var(ec) = boost::lambda::_1); - - do { - _io_service.run_one (); - } while (ec == boost::asio::error::would_block); - - if (ec) { - throw NetworkError (String::compose (_("error during async_read (%1)"), ec.value ())); - } + string ext = f.extension().string(); + transform (ext.begin(), ext.end(), ext.begin(), ::tolower); + return (ext == ".j2k" || ext == ".j2c" || ext == ".jp2"); } -uint32_t -Socket::read_uint32 () +string +tidy_for_filename (string f) { - uint32_t v; - read (reinterpret_cast (&v), 4); - return ntohl (v); + boost::replace_if (f, boost::is_any_of ("\\/:"), '_'); + return f; } -/** Round a number up to the nearest multiple of another number. - * @param c Index. - * @param s 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) +dcp::Size +fit_ratio_within (float ratio, dcp::Size full_frame) { - int const a = stride[c] + (t - 1); - return a - (a % t); + if (ratio < full_frame.ratio ()) { + return dcp::Size (lrintf (full_frame.height * ratio), full_frame.height); + } + + return dcp::Size (full_frame.width, lrintf (full_frame.width / ratio)); } -/** @param n A number. - * @param r Rounding `boundary' (must be a power of 2) - * @return n rounded to the nearest r - */ -int -round_to (float n, int r) +void * +wrapped_av_malloc (size_t s) { - DCPOMATIC_ASSERT (r == 1 || r == 2 || r == 4); - return int (n + float(r) / 2) &~ (r - 1); + void* p = av_malloc (s); + if (!p) { + throw bad_alloc (); + } + return p; } -/** Read a sequence of key / value pairs from a text stream; - * the keys are the first words on the line, and the values are - * the remainder of the line following the key. Lines beginning - * with # are ignored. - * @param s Stream to read. - * @return key/value pairs. - */ -multimap -read_key_value (istream &s) -{ - multimap kv; - - string line; - while (getline (s, line)) { - if (line.empty ()) { - continue; - } - - if (line[0] == '#') { - continue; - } - - if (line[line.size() - 1] == '\r') { - line = line.substr (0, line.size() - 1); - } - - size_t const s = line.find (' '); - if (s == string::npos) { - continue; +map +split_get_request (string url) +{ + enum { + AWAITING_QUESTION_MARK, + KEY, + VALUE + } state = AWAITING_QUESTION_MARK; + + map r; + string k; + string v; + for (size_t i = 0; i < url.length(); ++i) { + switch (state) { + case AWAITING_QUESTION_MARK: + if (url[i] == '?') { + state = KEY; + } + break; + case KEY: + if (url[i] == '=') { + v.clear (); + state = VALUE; + } else { + k += url[i]; + } + break; + case VALUE: + if (url[i] == '&') { + r.insert (make_pair (k, v)); + k.clear (); + state = KEY; + } else { + v += url[i]; + } + break; } + } - kv.insert (make_pair (line.substr (0, s), line.substr (s + 1))); + if (state == VALUE) { + r.insert (make_pair (k, v)); } - return kv; + return r; } string -get_required_string (multimap const & kv, string k) +video_asset_filename (shared_ptr asset, int reel_index, int reel_count, optional summary) { - if (kv.count (k) > 1) { - throw StringError (N_("unexpected multiple keys in key-value set")); - } - - multimap::const_iterator i = kv.find (k); - - if (i == kv.end ()) { - throw StringError (String::compose (_("missing key %1 in key-value set"), k)); + dcp::NameFormat::Map values; + values['t'] = "j2c"; + values['r'] = raw_convert (reel_index + 1); + values['n'] = raw_convert (reel_count); + if (summary) { + values['c'] = careful_string_filter (summary.get()); } - - return i->second; + return Config::instance()->dcp_asset_filename_format().get(values, "_" + asset->id() + ".mxf"); } -int -get_required_int (multimap const & kv, string k) +string +audio_asset_filename (shared_ptr asset, int reel_index, int reel_count, optional summary) { - string const v = get_required_string (kv, k); - return raw_convert (v); + dcp::NameFormat::Map values; + values['t'] = "pcm"; + 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 -get_required_float (multimap const & kv, string k) +relaxed_string_to_float (string s) { - string const v = get_required_string (kv, k); - return raw_convert (v); + try { + boost::algorithm::replace_all (s, ",", "."); + return lexical_cast (s); + } catch (bad_lexical_cast &) { + boost::algorithm::replace_all (s, ".", ","); + return lexical_cast (s); + } } string -get_optional_string (multimap const & kv, string k) +careful_string_filter (string s) { - if (kv.count (k) > 1) { - throw StringError (N_("unexpected multiple keys in key-value set")); - } + /* Filter out `bad' characters which `may' cause problems with some systems (either for DCP name or filename). + There's no apparent list of what really is allowed, so this is a guess. + Safety first and all that. + */ - multimap::const_iterator i = kv.find (k); - if (i == kv.end ()) { - return N_(""); - } + wstring ws = boost::locale::conv::utf_to_utf(s); - return i->second; -} + string out; + string const allowed = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_%.+"; + for (size_t i = 0; i < ws.size(); ++i) { -int -get_optional_int (multimap const & kv, string k) -{ - if (kv.count (k) > 1) { - throw StringError (N_("unexpected multiple keys in key-value set")); - } + wchar_t c = ws[i]; + + /* 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'; + } - multimap::const_iterator i = kv.find (k); - if (i == kv.end ()) { - return 0; + if (allowed.find(c) != string::npos) { + out += c; + } } - return raw_convert (i->second); + return boost::locale::conv::utf_to_utf(out); } -/** Trip an assert if the caller is not in the UI thread */ -void -ensure_ui_thread () +/** @param mapped List of mapped audio channels from a Film. + * @param channels Total number of channels in the Film. + * @return First: number of non-LFE channels, second: number of LFE channels. + */ +pair +audio_channel_types (list mapped, int channels) { - DCPOMATIC_ASSERT (boost::this_thread::get_id() == ui_thread); -} + int non_lfe = 0; + int lfe = 0; -string -audio_channel_name (int c) -{ - DCPOMATIC_ASSERT (MAX_DCP_AUDIO_CHANNELS == 12); + BOOST_FOREACH (int i, mapped) { + if (i >= channels) { + /* This channel is mapped but is not included in the DCP */ + continue; + } - /// TRANSLATORS: these are the names of audio channels; Lfe (sub) is the low-frequency - /// enhancement channel (sub-woofer). HI is the hearing-impaired audio track and - /// VI is the visually-impaired audio track (audio describe). - string const channels[] = { - _("Left"), - _("Right"), - _("Centre"), - _("Lfe (sub)"), - _("Left surround"), - _("Right surround"), - _("Hearing impaired"), - _("Visually impaired"), - _("Left centre"), - _("Right centre"), - _("Left rear surround"), - _("Right rear surround"), - }; + if (static_cast (i) == dcp::LFE) { + ++lfe; + } else { + ++non_lfe; + } + } - return channels[c]; + return make_pair (non_lfe, lfe); } -bool -valid_image_file (boost::filesystem::path f) +shared_ptr +remap (shared_ptr input, int output_channels, AudioMapping map) { - string 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" - ); + shared_ptr mapped (new AudioBuffers (output_channels, input->frames())); + mapped->make_silent (); + + for (int i = 0; i < map.input_channels(); ++i) { + for (int j = 0; j < mapped->channels(); ++j) { + if (map.get (i, static_cast (j)) > 0) { + mapped->accumulate_channel ( + input.get(), + i, + static_cast (j), + map.get (i, static_cast (j)) + ); + } + } + } + + return mapped; } -bool -valid_j2k_file (boost::filesystem::path f) +Eyes +increment_eyes (Eyes e) { - string ext = f.extension().string(); - transform (ext.begin(), ext.end(), ext.begin(), ::tolower); - return (ext == ".j2k" || ext == ".j2c"); + if (e == EYES_LEFT) { + return EYES_RIGHT; + } + + return EYES_LEFT; } -string -tidy_for_filename (string f) +void +checked_fwrite (void const * ptr, size_t size, FILE* stream, boost::filesystem::path path) { - string t; - for (size_t i = 0; i < f.length(); ++i) { - if (isalnum (f[i]) || f[i] == '_' || f[i] == '-') { - t += f[i]; + 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 { - t += '_'; + fclose (stream); + throw FileError ("Unexpected short write", path); } } - - return t; } -dcp::Size -fit_ratio_within (float ratio, dcp::Size full_frame, int round) +void +checked_fread (void* ptr, size_t size, FILE* stream, boost::filesystem::path path) { - if (ratio < full_frame.ratio ()) { - return dcp::Size (round_to (full_frame.height * ratio, round), full_frame.height); + 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); + } } - - return dcp::Size (full_frame.width, round_to (full_frame.width / ratio, round)); } -void * -wrapped_av_malloc (size_t s) +size_t +utf8_strlen (string s) { - void* p = av_malloc (s); - if (!p) { - throw bad_alloc (); + size_t const len = s.length (); + int N = 0; + for (size_t i = 0; i < len; ++i) { + unsigned char c = s[i]; + if ((c & 0xe0) == 0xc0) { + ++i; + } else if ((c & 0xf0) == 0xe0) { + i += 2; + } else if ((c & 0xf8) == 0xf0) { + i += 3; + } + ++N; } - return p; + return N; } - + string -entities_to_text (string e) +day_of_week_to_string (boost::gregorian::greg_weekday d) { - boost::algorithm::replace_all (e, "%3A", ":"); - boost::algorithm::replace_all (e, "%2F", "/"); - return e; + switch (d.as_enum()) { + case boost::date_time::Sunday: + return _("Sunday"); + case boost::date_time::Monday: + return _("Monday"); + case boost::date_time::Tuesday: + return _("Tuesday"); + case boost::date_time::Wednesday: + return _("Wednesday"); + case boost::date_time::Thursday: + return _("Thursday"); + case boost::date_time::Friday: + return _("Friday"); + case boost::date_time::Saturday: + return _("Saturday"); + } + + return d.as_long_string (); } -int64_t -divide_with_round (int64_t a, int64_t b) +/** @param size Size of picture that the subtitle will be overlaid onto */ +void +emit_subtitle_image (ContentTimePeriod period, dcp::SubtitleImage sub, dcp::Size size, shared_ptr decoder) { - if (a % b >= (b / 2)) { - return (a + b - 1) / b; - } else { - return a / b; + /* XXX: this is rather inefficient; decoding the image just to get its size */ + FFmpegImageProxy proxy (sub.png_image()); + shared_ptr image = proxy.image().first; + /* 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: + rect.x += sub.h_position(); + break; + case dcp::HALIGN_CENTER: + rect.x += 0.5 + sub.h_position() - rect.width / 2; + break; + case dcp::HALIGN_RIGHT: + rect.x += 1 - sub.h_position() - rect.width; + break; } + + switch (sub.v_align()) { + case dcp::VALIGN_TOP: + rect.y += sub.v_position(); + break; + case dcp::VALIGN_CENTER: + rect.y += 0.5 + sub.v_position() - rect.height / 2; + break; + case dcp::VALIGN_BOTTOM: + rect.y += 1 - sub.v_position() - rect.height; + break; + } + + decoder->emit_bitmap (period, image, rect); } -/** Return a user-readable string summarising the versions of our dependencies */ -string -dependency_version_summary () +#ifdef DCPOMATIC_VARIANT_SWAROOP + +/* Make up a key from the machine UUID */ +dcp::Data +key_from_uuid () +{ + 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 + */ + +struct __attribute__ ((packed)) Header_ { + int16_t iv_length; + int16_t cert_length[8]; + int16_t private_key_length; +}; + +typedef struct Header_ Header; + +shared_ptr +read_swaroop_chain (boost::filesystem::path path) { - SafeStringStream s; - s << N_("libopenjpeg ") << opj_version () << N_(", ") - << N_("libavcodec ") << ffmpeg_version_to_string (avcodec_version()) << N_(", ") - << N_("libavfilter ") << ffmpeg_version_to_string (avfilter_version()) << N_(", ") - << N_("libavformat ") << ffmpeg_version_to_string (avformat_version()) << N_(", ") - << N_("libavutil ") << ffmpeg_version_to_string (avutil_version()) << N_(", ") - << N_("libswscale ") << ffmpeg_version_to_string (swscale_version()) << N_(", ") - << MagickVersion << N_(", ") - << N_("libssh ") << ssh_version (0) << N_(", ") - << N_("libdcp ") << dcp::version << N_(" git ") << dcp::git_commit; + dcp::Data data (path); + Header* header = (Header *) data.data().get(); + uint8_t* p = data.data().get() + sizeof(Header); - return s.str (); + 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; + } + 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; } -ContentTimePeriod -subtitle_period (AVSubtitle const & sub) +void +write_swaroop_chain (shared_ptr chain, boost::filesystem::path output) { - ContentTime const packet_time = ContentTime::from_seconds (static_cast (sub.pts) / AV_TIME_BASE); + 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(); + + 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; + } - ContentTimePeriod period ( - packet_time + ContentTime::from_seconds (sub.start_display_time / 1e3), - packet_time + ContentTime::from_seconds (sub.end_display_time / 1e3) - ); + 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 (); - return period; + FILE* f = fopen_boost (output, "wb"); + checked_fwrite (buffer.get(), p - buffer.get(), f, output); + fclose (f); } + +#endif