X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Futil.cc;h=40e9d9c2eed730795a8f8476533ae16290c403c0;hp=ddc0a297459cef504b49300b25f874752ec2ba64;hb=854f2e5bbb7ffb9758b823af87034033033f3cb8;hpb=bdbb254c18b100f8fa66a3707f6b515309d05685 diff --git a/src/lib/util.cc b/src/lib/util.cc index ddc0a2974..40e9d9c2e 100644 --- a/src/lib/util.cc +++ b/src/lib/util.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2012 Carl Hetherington + Copyright (C) 2012-2014 Carl Hetherington Copyright (C) 2000-2007 Paul Davis This program is free software; you can redistribute it and/or modify @@ -27,6 +27,7 @@ #include #include #include +#include #ifdef DCPOMATIC_POSIX #include #include @@ -45,18 +46,18 @@ #include #include #include +#include #include #include -#include -#include -#include -#include +#include +#include +#include +#include extern "C" { #include #include #include #include -#include #include } #include "util.h" @@ -69,6 +70,8 @@ extern "C" { #include "ratio.h" #include "job.h" #include "cross.h" +#include "video_content.h" +#include "rect.h" #ifdef DCPOMATIC_WINDOWS #include "stack.hpp" #endif @@ -88,16 +91,19 @@ using std::min; using std::max; using std::list; using std::multimap; +using std::map; using std::istream; using std::numeric_limits; using std::pair; using std::cout; +using std::bad_alloc; using std::streampos; +using std::set_terminate; using boost::shared_ptr; using boost::thread; using boost::lexical_cast; using boost::optional; -using libdcp::Size; +using dcp::Size; static boost::thread::id ui_thread; static boost::filesystem::path backtrace_file; @@ -233,25 +239,6 @@ ffmpeg_version_to_string (int v) return s.str (); } -/** Return a user-readable string summarising the versions of our dependencies */ -string -dependency_version_summary () -{ - stringstream 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_("libpostproc ") << ffmpeg_version_to_string (postproc_version()) << N_(", ") - << N_("libswscale ") << ffmpeg_version_to_string (swscale_version()) << N_(", ") - << MagickVersion << N_(", ") - << N_("libssh ") << ssh_version (0) << N_(", ") - << N_("libdcp ") << libdcp::version << N_(" git ") << libdcp::git_commit; - - return s.str (); -} - double seconds (struct timeval t) { @@ -271,6 +258,33 @@ LONG WINAPI exception_handler(struct _EXCEPTION_POINTERS *) } #endif +/* From http://stackoverflow.com/questions/2443135/how-do-i-find-where-an-exception-was-thrown-in-c */ +void +terminate () +{ + static bool tried_throw = false; + + try { + // try once to re-throw currently active exception + if (!tried_throw++) { + throw; + } + } + catch (const std::exception &e) { + std::cerr << __FUNCTION__ << " caught unhandled exception. what(): " + << e.what() << std::endl; + } + catch (...) { + std::cerr << __FUNCTION__ << " caught unknown/unhandled exception." + << std::endl; + } + +#ifdef DCPOMATIC_POSIX + stacktrace (cout, 50); +#endif + 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. */ @@ -307,11 +321,15 @@ dcpomatic_setup () boost::filesystem::path lib = app_contents (); lib /= "lib"; setenv ("LTDL_LIBRARY_PATH", lib.c_str (), 1); -#endif +#endif + + set_terminate (terminate); - libdcp::init (); + Pango::init (); + dcp::init (); Ratio::setup_ratios (); + VideoContentScale::setup_scales (); DCPContentType::setup_dcp_content_types (); Scaler::setup_scalers (); Filter::setup_filters (); @@ -350,6 +368,8 @@ dcpomatic_setup_gettext_i18n (string lang) putenv (cmd); snprintf (cmd, sizeof(cmd), "LANG=%s", lang.c_str ()); putenv (cmd); + snprintf (cmd, sizeof(cmd), "LC_ALL=%s", lang.c_str ()); + putenv (cmd); } setlocale (LC_ALL, ""); @@ -455,33 +475,6 @@ md5_digest (vector files, shared_ptr job) return s.str (); } -static bool -about_equal (float a, float b) -{ - /* A film of F seconds at f FPS will be Ff frames; - Consider some delta FPS d, so if we run the same - film at (f + d) FPS it will last F(f + d) seconds. - - Hence the difference in length over the length of the film will - be F(f + d) - Ff frames - = Ff + Fd - Ff frames - = Fd frames - = Fd/f seconds - - So if we accept a difference of 1 frame, ie 1/f seconds, we can - say that - - 1/f = Fd/f - ie 1 = Fd - ie d = 1/F - - So for a 3hr film, ie F = 3 * 60 * 60 = 10800, the acceptable - FPS error is 1/F ~= 0.0001 ~= 10-e4 - */ - - return (fabs (a - b) < 1e-4); -} - /** @param An arbitrary audio frame rate. * @return The appropriate DCP-approved frame rate (48kHz or 96kHz). */ @@ -539,7 +532,7 @@ Socket::connect (boost::asio::ip::tcp::endpoint endpoint) } while (ec == boost::asio::error::would_block); if (ec) { - throw NetworkError (ec.message ()); + throw NetworkError (String::compose (_("error during async_connect (%1)"), ec.value ())); } if (!_socket.is_open ()) { @@ -563,7 +556,7 @@ Socket::accept (int port) _acceptor = 0; if (ec) { - throw NetworkError (ec.message ()); + throw NetworkError (String::compose (_("error during async_accept (%1)"), ec.value ())); } } @@ -584,7 +577,7 @@ Socket::write (uint8_t const * data, int size) } while (ec == boost::asio::error::would_block); if (ec) { - throw NetworkError (ec.message ()); + throw NetworkError (String::compose (_("error during async_write (%1)"), ec.value ())); } } @@ -612,7 +605,7 @@ Socket::read (uint8_t* data, int size) } while (ec == boost::asio::error::would_block); if (ec) { - throw NetworkError (ec.message ()); + throw NetworkError (String::compose (_("error during async_read (%1)"), ec.value ())); } } @@ -741,24 +734,14 @@ ensure_ui_thread () assert (boost::this_thread::get_id() == ui_thread); } -/** @param v Content video frame. - * @param audio_sample_rate Source audio sample rate. - * @param frames_per_second Number of video frames per second. - * @return Equivalent number of audio frames for `v'. - */ -int64_t -video_frames_to_audio_frames (VideoContent::Frame v, float audio_sample_rate, float frames_per_second) -{ - return ((int64_t) v * audio_sample_rate / frames_per_second); -} - string audio_channel_name (int c) { - assert (MAX_AUDIO_CHANNELS == 6); + assert (MAX_AUDIO_CHANNELS == 12); /* TRANSLATORS: these are the names of audio channels; Lfe (sub) is the low-frequency - enhancement channel (sub-woofer). + 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"), @@ -767,49 +750,17 @@ audio_channel_name (int c) _("Lfe (sub)"), _("Left surround"), _("Right surround"), + _("Hearing impaired"), + _("Visually impaired"), + _("Left centre"), + _("Right centre"), + _("Left rear surround"), + _("Right rear surround"), }; return channels[c]; } -FrameRateConversion::FrameRateConversion (float source, int dcp) - : skip (false) - , repeat (1) - , change_speed (false) -{ - if (fabs (source / 2.0 - dcp) < fabs (source - dcp)) { - /* The difference between source and DCP frame rate will be lower - (i.e. better) if we skip. - */ - skip = true; - } else if (fabs (source * 2 - dcp) < fabs (source - dcp)) { - /* The difference between source and DCP frame rate would be better - if we repeated each frame once; it may be better still if we - repeated more than once. Work out the required repeat. - */ - repeat = round (dcp / source); - } - - change_speed = !about_equal (source * factor(), dcp); - - if (!skip && repeat == 1 && !change_speed) { - description = _("Content and DCP have the same rate.\n"); - } else { - if (skip) { - description = _("DCP will use every other frame of the content.\n"); - } else if (repeat == 2) { - description = _("Each content frame will be doubled in the DCP.\n"); - } else if (repeat > 2) { - description = String::compose (_("Each content frame will be repeated %1 more times in the DCP.\n"), repeat - 1); - } - - if (change_speed) { - float const pc = dcp * 100 / (source * factor()); - description += String::compose (_("DCP will run at %1%% of the content speed.\n"), pc); - } - } -} - LocaleGuard::LocaleGuard () : _old (0) { @@ -852,7 +803,7 @@ tidy_for_filename (string f) return t; } -shared_ptr +shared_ptr make_signer () { boost::filesystem::path const sd = Config::instance()->signer_chain_directory (); @@ -872,45 +823,172 @@ make_signer () if (!boost::filesystem::exists (p)) { boost::filesystem::remove_all (sd); boost::filesystem::create_directories (sd); - libdcp::make_signer_chain (sd, openssl_path ()); + dcp::make_signer_chain (sd, openssl_path ()); break; } ++i; } - libdcp::CertificateChain chain; + dcp::CertificateChain chain; { boost::filesystem::path p (sd); p /= "ca.self-signed.pem"; - chain.add (shared_ptr (new libdcp::Certificate (p))); + chain.add (shared_ptr (new dcp::Certificate (p))); } { boost::filesystem::path p (sd); p /= "intermediate.signed.pem"; - chain.add (shared_ptr (new libdcp::Certificate (p))); + chain.add (shared_ptr (new dcp::Certificate (p))); } { boost::filesystem::path p (sd); p /= "leaf.signed.pem"; - chain.add (shared_ptr (new libdcp::Certificate (p))); + chain.add (shared_ptr (new dcp::Certificate (p))); } boost::filesystem::path signer_key (sd); signer_key /= "leaf.key"; - return shared_ptr (new libdcp::Signer (chain, signer_key)); + return shared_ptr (new dcp::Signer (chain, signer_key)); +} + +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; + } + } + + if (state == VALUE) { + r.insert (make_pair (k, v)); + } + + return r; } -libdcp::Size -fit_ratio_within (float ratio, libdcp::Size full_frame) +dcp::Size +fit_ratio_within (float ratio, dcp::Size full_frame) { if (ratio < full_frame.ratio ()) { - return libdcp::Size (rint (full_frame.height * ratio), full_frame.height); + return dcp::Size (rint (full_frame.height * ratio), full_frame.height); } - return libdcp::Size (full_frame.width, rint (full_frame.width / ratio)); + return dcp::Size (full_frame.width, rint (full_frame.width / ratio)); +} + +void * +wrapped_av_malloc (size_t s) +{ + void* p = av_malloc (s); + if (!p) { + throw bad_alloc (); + } + return p; +} + +string +entities_to_text (string e) +{ + boost::algorithm::replace_all (e, "%3A", ":"); + boost::algorithm::replace_all (e, "%2F", "/"); + return e; +} + +int64_t +divide_with_round (int64_t a, int64_t b) +{ + if (a % b >= (b / 2)) { + return (a + b - 1) / b; + } else { + return a / b; + } +} + +/** Return a user-readable string summarising the versions of our dependencies */ +string +dependency_version_summary () +{ + stringstream 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; + + return s.str (); +} + +ScopedTemporary::ScopedTemporary () + : _open (0) +{ + _file = boost::filesystem::temp_directory_path() / boost::filesystem::unique_path (); +} + +ScopedTemporary::~ScopedTemporary () +{ + close (); + boost::system::error_code ec; + boost::filesystem::remove (_file, ec); +} + +char const * +ScopedTemporary::c_str () const +{ + return _file.string().c_str (); +} + +FILE* +ScopedTemporary::open (char const * params) +{ + _open = fopen (c_str(), params); + return _open; +} + +void +ScopedTemporary::close () +{ + if (_open) { + fclose (_open); + _open = 0; + } }