X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Ffilm.cc;h=590acedfd370f56dd04a5b2077c3a5758b78fc9f;hb=f98caf4af896e9be943046b84586da5c2e103f18;hp=14735d1b1048be4fa5c507e1fcf2f968eb4f6800;hpb=0da7c88a1afb221f97e2e96c159b1a984e4e2f71;p=dcpomatic.git diff --git a/src/lib/film.cc b/src/lib/film.cc index 14735d1b1..590acedfd 100644 --- a/src/lib/film.cc +++ b/src/lib/film.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2012-2014 Carl Hetherington + Copyright (C) 2012-2015 Carl Hetherington This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,25 +17,11 @@ */ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include +/** @file src/film.cc + * @brief A representation of some audio and video content, and details of + * how they should be presented in a DCP. + */ + #include "film.h" #include "job.h" #include "util.h" @@ -45,21 +31,41 @@ #include "log.h" #include "exceptions.h" #include "examine_content_job.h" -#include "scaler.h" #include "config.h" -#include "version.h" -#include "ui_signaller.h" #include "playlist.h" #include "player.h" #include "dcp_content_type.h" #include "ratio.h" #include "cross.h" #include "cinema.h" +#include "safe_stringstream.h" +#include "environment_info.h" +#include "raw_convert.h" +#include "audio_processor.h" +#include "md5_digester.h" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include #include "i18n.h" using std::string; -using std::stringstream; using std::multimap; using std::pair; using std::map; @@ -70,6 +76,7 @@ using std::make_pair; using std::endl; using std::cout; using std::list; +using std::set; using boost::shared_ptr; using boost::weak_ptr; using boost::dynamic_pointer_cast; @@ -77,9 +84,9 @@ using boost::to_upper_copy; using boost::ends_with; using boost::starts_with; using boost::optional; +using boost::is_any_of; using dcp::Size; using dcp::Signer; -using dcp::raw_convert; #define LOG_GENERAL(...) log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL); #define LOG_GENERAL_NC(...) log()->log (__VA_ARGS__, Log::TYPE_GENERAL); @@ -92,6 +99,8 @@ using dcp::raw_convert; * Use tag in rather than . * 8 -> 9 * DCI -> ISDCF + * 9 -> 10 + * Subtitle X and Y scale. * * Bumped to 32 for 2.0 branch; some times are expressed in Times rather * than frames now. @@ -109,8 +118,6 @@ Film::Film (boost::filesystem::path dir, bool log) , _dcp_content_type (Config::instance()->default_dcp_content_type ()) , _container (Config::instance()->default_container ()) , _resolution (RESOLUTION_2K) - , _scaler (Scaler::from_id ("bicubic")) - , _with_subtitles (false) , _signed (true) , _encrypted (false) , _j2k_bandwidth (Config::instance()->default_j2k_bandwidth ()) @@ -120,13 +127,15 @@ Film::Film (boost::filesystem::path dir, bool log) , _three_d (false) , _sequence_video (true) , _interop (false) + , _burn_subtitles (false) + , _audio_processor (0) , _state_version (current_state_version) , _dirty (false) { set_isdcf_date_today (); - _playlist->Changed.connect (bind (&Film::playlist_changed, this)); - _playlist->ContentChanged.connect (bind (&Film::playlist_content_changed, this, _1, _2)); + _playlist_changed_connection = _playlist->Changed.connect (bind (&Film::playlist_changed, this)); + _playlist_content_changed_connection = _playlist->ContentChanged.connect (bind (&Film::playlist_content_changed, this, _1, _2)); /* Make state.directory a complete path without ..s (where possible) (Code swiped from Adam Bowen on stackoverflow) @@ -146,7 +155,7 @@ Film::Film (boost::filesystem::path dir, bool log) } } - set_directory (result); + set_directory (result.make_preferred ()); if (log) { _log.reset (new FileLog (file ("log"))); } else { @@ -156,19 +165,25 @@ Film::Film (boost::filesystem::path dir, bool log) _playlist->set_sequence_video (_sequence_video); } +Film::~Film () +{ + for (list::const_iterator i = _job_connections.begin(); i != _job_connections.end(); ++i) { + i->disconnect (); + } +} + string Film::video_identifier () const { - assert (container ()); + DCPOMATIC_ASSERT (container ()); - stringstream s; + SafeStringStream s; s.imbue (std::locale::classic ()); s << container()->id() << "_" << resolution_to_string (_resolution) << "_" << _playlist->video_identifier() << "_" << _video_frame_rate - << "_" << scaler()->id() << "_" << j2k_bandwidth(); if (encrypted ()) { @@ -183,25 +198,25 @@ Film::video_identifier () const s << "_S"; } - if (_three_d) { - s << "_3D"; + if (_burn_subtitles) { + s << "_B"; } - if (_with_subtitles) { - s << "_WS"; + if (_three_d) { + s << "_3D"; } return s.str (); } -/** @return The path to the directory to write video frame info files to */ +/** @return The file to write video frame info to */ boost::filesystem::path -Film::info_dir () const +Film::info_file () const { boost::filesystem::path p; p /= "info"; p /= video_identifier (); - return dir (p); + return file (p); } boost::filesystem::path @@ -216,18 +231,6 @@ Film::internal_video_mxf_filename () const return video_identifier() + ".mxf"; } -boost::filesystem::path -Film::video_mxf_filename () const -{ - return filename_safe_name() + "_video.mxf"; -} - -boost::filesystem::path -Film::audio_mxf_filename () const -{ - return filename_safe_name() + "_audio.mxf"; -} - string Film::filename_safe_name () const { @@ -245,9 +248,28 @@ Film::filename_safe_name () const } boost::filesystem::path -Film::audio_analysis_dir () const +Film::audio_analysis_path (shared_ptr playlist) const { - return dir ("analysis"); + boost::filesystem::path p = dir ("analysis"); + + MD5Digester digester; + BOOST_FOREACH (shared_ptr i, playlist->content ()) { + shared_ptr ac = dynamic_pointer_cast (i); + if (!ac) { + continue; + } + + digester.add (ac->digest ()); + digester.add (ac->audio_mapping().digest ()); + digester.add (ac->audio_gain ()); + } + + if (audio_processor ()) { + digester.add (audio_processor()->id ()); + } + + p /= digester.get (); + return p; } /** Add suitable Jobs to the JobManager to create a DCP for this Film */ @@ -260,18 +282,7 @@ Film::make_dcp () throw BadSettingError (_("name"), _("cannot contain slashes")); } - /* It seems to make sense to auto-save metadata here, since the make DCP may last - a long time, and crashes/power failures are moderately likely. - */ - write_metadata (); - - LOG_GENERAL ("DCP-o-matic %1 git %2 using %3", dcpomatic_version, dcpomatic_git_commit, dependency_version_summary()); - - { - char buffer[128]; - gethostname (buffer, sizeof (buffer)); - LOG_GENERAL ("Starting to make DCP on %1", buffer); - } + environment_info (log ()); ContentList cl = content (); for (ContentList::const_iterator i = cl.begin(); i != cl.end(); ++i) { @@ -280,29 +291,6 @@ Film::make_dcp () LOG_GENERAL ("DCP video rate %1 fps", video_frame_rate()); LOG_GENERAL ("%1 threads", Config::instance()->num_local_encoding_threads()); LOG_GENERAL ("J2K bandwidth %1", j2k_bandwidth()); -#ifdef DCPOMATIC_DEBUG - LOG_GENERAL_NC ("DCP-o-matic built in debug mode."); -#else - LOG_GENERAL_NC ("DCP-o-matic built in optimised mode."); -#endif -#ifdef LIBDCP_DEBUG - LOG_GENERAL_NC ("libdcp built in debug mode."); -#else - LOG_GENERAL_NC ("libdcp built in optimised mode."); -#endif - -#ifdef DCPOMATIC_WINDOWS - OSVERSIONINFO info; - info.dwOSVersionInfoSize = sizeof (info); - GetVersionEx (&info); - LOG_GENERAL ("Windows version %1.%2.%3 SP %4", info.dwMajorVersion, info.dwMinorVersion, info.dwBuildNumber, info.szCSDVersion); -#endif - - LOG_GENERAL ("CPU: %1, %2 processors", cpu_info(), boost::thread::hardware_concurrency ()); - list > const m = mount_info (); - for (list >::const_iterator i = m.begin(); i != m.end(); ++i) { - LOG_GENERAL ("Mount: %1 %2", i->first, i->second); - } if (container() == 0) { throw MissingSettingError (_("container")); @@ -331,25 +319,6 @@ Film::send_dcp_to_tms () JobManager::instance()->add (j); } -/** Count the number of frames that have been encoded for this film. - * @return frame count. - */ -int -Film::encoded_frames () const -{ - if (container() == 0) { - return 0; - } - - int N = 0; - for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator (info_dir ()); i != boost::filesystem::directory_iterator(); ++i) { - ++N; - boost::this_thread::interruption_point (); - } - - return N; -} - shared_ptr Film::metadata () const { @@ -369,8 +338,6 @@ Film::metadata () const } root->add_child("Resolution")->add_child_text (resolution_to_string (_resolution)); - root->add_child("Scaler")->add_child_text (_scaler->id ()); - root->add_child("WithSubtitles")->add_child_text (_with_subtitles ? "1" : "0"); root->add_child("J2KBandwidth")->add_child_text (raw_convert (_j2k_bandwidth)); _isdcf_metadata.as_xml (root->add_child ("ISDCFMetadata")); root->add_child("VideoFrameRate")->add_child_text (raw_convert (_video_frame_rate)); @@ -379,9 +346,13 @@ Film::metadata () const root->add_child("ThreeD")->add_child_text (_three_d ? "1" : "0"); root->add_child("SequenceVideo")->add_child_text (_sequence_video ? "1" : "0"); root->add_child("Interop")->add_child_text (_interop ? "1" : "0"); + root->add_child("BurnSubtitles")->add_child_text (_burn_subtitles ? "1" : "0"); root->add_child("Signed")->add_child_text (_signed ? "1" : "0"); root->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0"); root->add_child("Key")->add_child_text (_key.hex ()); + if (_audio_processor) { + root->add_child("AudioProcessor")->add_child_text (_audio_processor->id ()); + } _playlist->as_xml (root->add_child ("Playlist")); return doc; @@ -441,22 +412,40 @@ Film::read_metadata () } _resolution = string_to_resolution (f.string_child ("Resolution")); - _scaler = Scaler::from_id (f.string_child ("Scaler")); - _with_subtitles = f.bool_child ("WithSubtitles"); _j2k_bandwidth = f.number_child ("J2KBandwidth"); _video_frame_rate = f.number_child ("VideoFrameRate"); _signed = f.optional_bool_child("Signed").get_value_or (true); _encrypted = f.bool_child ("Encrypted"); _audio_channels = f.number_child ("AudioChannels"); + /* We used to allow odd numbers (and zero) channels, but it's just not worth + the pain. + */ + if (_audio_channels == 0) { + _audio_channels = 2; + } else if ((_audio_channels % 2) == 1) { + _audio_channels++; + } _sequence_video = f.bool_child ("SequenceVideo"); _three_d = f.bool_child ("ThreeD"); _interop = f.bool_child ("Interop"); + if (_state_version >= 32) { + _burn_subtitles = f.bool_child ("BurnSubtitles"); + } _key = dcp::Key (f.string_child ("Key")); + if (f.optional_string_child ("AudioProcessor")) { + _audio_processor = AudioProcessor::from_id (f.string_child ("AudioProcessor")); + } else { + _audio_processor = 0; + } + list notes; /* This method is the only one that can return notes (so far) */ _playlist->set_from_xml (shared_from_this(), f.node_child ("Playlist"), _state_version, notes); + /* Write backtraces to this film's directory, until another film is loaded */ + set_backtrace_file (file ("backtrace.txt")); + _dirty = false; return notes; } @@ -495,19 +484,42 @@ Film::file (boost::filesystem::path f) const string Film::isdcf_name (bool if_created_now) const { - stringstream d; + SafeStringStream d; string raw_name = name (); + + /* Split the raw name up into words */ + vector words; + split (words, raw_name, is_any_of (" ")); + string fixed_name; - bool cap_next = true; - for (size_t i = 0; i < raw_name.length(); ++i) { - if (raw_name[i] == ' ') { - cap_next = true; - } else if (cap_next) { - fixed_name += toupper (raw_name[i]); - cap_next = false; - } else { - fixed_name += tolower (raw_name[i]); + + /* Add each word to fixed_name */ + for (vector::const_iterator i = words.begin(); i != words.end(); ++i) { + string w = *i; + + /* First letter is always capitalised */ + w[0] = toupper (w[0]); + + /* Count caps in w */ + size_t caps = 0; + for (size_t i = 0; i < w.size(); ++i) { + if (isupper (w[i])) { + ++caps; + } + } + + /* If w is all caps make the rest of it lower case, otherwise + leave it alone. + */ + if (caps == w.size ()) { + for (size_t i = 1; i < w.size(); ++i) { + w[i] = tolower (w[i]); + } + } + + for (size_t i = 0; i < w.size(); ++i) { + fixed_name += w[i]; } } @@ -560,18 +572,23 @@ Film::isdcf_name (bool if_created_now) const d << "_" << container()->isdcf_name(); } - /* XXX: this only works for content which has been scaled to a given ratio, - and uses the first bit of content only. - */ + ContentList cl = content (); + + /* XXX: this uses the first bit of content only */ /* The standard says we don't do this for trailers, for some strange reason */ if (dcp_content_type() && dcp_content_type()->libdcp_kind() != dcp::TRAILER) { - ContentList cl = content (); Ratio const * content_ratio = 0; - for (ContentList::const_iterator i = cl.begin(); i != cl.end(); ++i) { + for (ContentList::iterator i = cl.begin(); i != cl.end(); ++i) { shared_ptr vc = dynamic_pointer_cast (*i); - if (vc && (content_ratio == 0 || vc->scale().ratio() != content_ratio)) { - content_ratio = vc->scale().ratio(); + if (vc) { + /* Here's the first piece of video content */ + if (vc->scale().ratio ()) { + content_ratio = vc->scale().ratio (); + } else { + content_ratio = Ratio::from_ratio (vc->video_size().ratio ()); + } + break; } } @@ -596,25 +613,39 @@ Film::isdcf_name (bool if_created_now) const } } - switch (audio_channels ()) { - case 1: - d << "_10"; - break; - case 2: - d << "_20"; - break; - case 3: - d << "_30"; - break; - case 4: - d << "_40"; - break; - case 5: - d << "_50"; - break; - case 6: - d << "_51"; - break; + /* Find all mapped channels */ + + list mapped; + for (ContentList::const_iterator i = cl.begin(); i != cl.end(); ++i) { + shared_ptr ac = dynamic_pointer_cast (*i); + if (ac) { + list c = ac->audio_mapping().mapped_output_channels (); + copy (c.begin(), c.end(), back_inserter (mapped)); + } + } + + mapped.sort (); + mapped.unique (); + + /* Count them */ + + int non_lfe = 0; + int lfe = 0; + for (list::const_iterator i = mapped.begin(); i != mapped.end(); ++i) { + if (*i >= audio_channels()) { + /* This channel is mapped but is not included in the DCP */ + continue; + } + + if (static_cast (*i) == dcp::LFE) { + ++lfe; + } else { + ++non_lfe; + } + } + + if (non_lfe) { + d << "_" << non_lfe << lfe; } /* XXX: HI/VI */ @@ -656,13 +687,27 @@ Film::isdcf_name (bool if_created_now) const string Film::dcp_name (bool if_created_now) const { + string unfiltered; if (use_isdcf_name()) { - return isdcf_name (if_created_now); + unfiltered = isdcf_name (if_created_now); + } else { + unfiltered = name (); } - return name(); -} + /* Filter out `bad' characters which cause problems with some systems. + There's no apparent list of what really is allowed, so this is a guess. + */ + string filtered; + string const allowed = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_"; + for (size_t i = 0; i < unfiltered.size(); ++i) { + if (allowed.find (unfiltered[i]) != string::npos) { + filtered += unfiltered[i]; + } + } + + return filtered; +} void Film::set_directory (boost::filesystem::path d) @@ -706,20 +751,6 @@ Film::set_resolution (Resolution r) signal_changed (RESOLUTION); } -void -Film::set_scaler (Scaler const * s) -{ - _scaler = s; - signal_changed (SCALER); -} - -void -Film::set_with_subtitles (bool w) -{ - _with_subtitles = w; - signal_changed (WITH_SUBTITLES); -} - void Film::set_j2k_bandwidth (int b) { @@ -762,6 +793,20 @@ Film::set_interop (bool i) signal_changed (INTEROP); } +void +Film::set_burn_subtitles (bool b) +{ + _burn_subtitles = b; + signal_changed (BURN_SUBTITLES); +} + +void +Film::set_audio_processor (AudioProcessor const * processor) +{ + _audio_processor = processor; + signal_changed (AUDIO_PROCESSOR); +} + void Film::signal_changed (Property p) { @@ -779,9 +824,7 @@ Film::signal_changed (Property p) break; } - if (ui_signaller) { - ui_signaller->emit (boost::bind (boost::ref (Changed), p)); - } + emit (boost::bind (boost::ref (Changed), p)); } void @@ -790,32 +833,6 @@ Film::set_isdcf_date_today () _isdcf_date = boost::gregorian::day_clock::local_day (); } -boost::filesystem::path -Film::info_path (int f, Eyes e) const -{ - boost::filesystem::path p; - p /= info_dir (); - - stringstream s; - s.width (8); - s << setfill('0') << f; - - if (e == EYES_LEFT) { - s << ".L"; - } else if (e == EYES_RIGHT) { - s << ".R"; - } - - s << ".md5"; - - p /= s.str(); - - /* info_dir() will already have added any initial bit of the path, - so don't call file() on this. - */ - return p; -} - boost::filesystem::path Film::j2c_path (int f, Eyes e, bool t) const { @@ -823,7 +840,7 @@ Film::j2c_path (int f, Eyes e, bool t) const p /= "j2c"; p /= video_identifier (); - stringstream s; + SafeStringStream s; s.width (8); s << setfill('0') << f; @@ -843,7 +860,7 @@ Film::j2c_path (int f, Eyes e, bool t) const return file (p); } -/** Find all the DCPs in our directory that can be libdcp::DCP::read() and return details of their CPLs */ +/** Find all the DCPs in our directory that can be dcp::DCP::read() and return details of their CPLs */ vector Film::cpls () const { @@ -896,6 +913,13 @@ Film::set_encrypted (bool e) signal_changed (ENCRYPTED); } +void +Film::set_key (dcp::Key key) +{ + _key = key; + signal_changed (KEY); +} + shared_ptr Film::playlist () const { @@ -908,6 +932,13 @@ Film::content () const return _playlist->content (); } +void +Film::examine_content (shared_ptr c) +{ + shared_ptr j (new ExamineContentJob (shared_from_this(), c)); + JobManager::instance()->add (j); +} + void Film::examine_and_add_content (shared_ptr c) { @@ -916,7 +947,11 @@ Film::examine_and_add_content (shared_ptr c) } shared_ptr j (new ExamineContentJob (shared_from_this(), c)); - j->Finished.connect (bind (&Film::maybe_add_content, this, boost::weak_ptr (j), boost::weak_ptr (c))); + + _job_connections.push_back ( + j->Finished.connect (bind (&Film::maybe_add_content, this, boost::weak_ptr (j), boost::weak_ptr (c))) + ); + JobManager::instance()->add (j); } @@ -969,12 +1004,6 @@ Film::length () const return _playlist->length (); } -bool -Film::has_subtitles () const -{ - return _playlist->has_subtitles (); -} - int Film::best_video_frame_rate () const { @@ -992,17 +1021,18 @@ Film::playlist_content_changed (boost::weak_ptr c, int p) { if (p == VideoContentProperty::VIDEO_FRAME_RATE) { set_video_frame_rate (_playlist->best_dcp_frame_rate ()); - } - - if (ui_signaller) { - ui_signaller->emit (boost::bind (boost::ref (ContentChanged), c, p)); + } else if (p == AudioContentProperty::AUDIO_STREAMS) { + signal_changed (NAME); } + + emit (boost::bind (boost::ref (ContentChanged), c, p)); } void Film::playlist_changed () { signal_changed (CONTENT); + signal_changed (NAME); } int @@ -1031,7 +1061,7 @@ Film::full_frame () const return dcp::Size (4096, 2160); } - assert (false); + DCPOMATIC_ASSERT (false); return dcp::Size (); } @@ -1044,16 +1074,22 @@ Film::frame_size () const dcp::EncryptedKDM Film::make_kdm ( - shared_ptr target, + dcp::Certificate target, boost::filesystem::path cpl_file, dcp::LocalTime from, - dcp::LocalTime until + dcp::LocalTime until, + dcp::Formulation formulation ) const { shared_ptr cpl (new dcp::CPL (cpl_file)); + shared_ptr signer = Config::instance()->signer(); + if (!signer->valid ()) { + throw InvalidSignerError (); + } + return dcp::DecryptedKDM ( - cpl, from, until, "DCP-o-matic", cpl->content_title_text(), dcp::LocalTime().as_string() - ).encrypt (make_signer(), target); + cpl, key(), from, until, "DCP-o-matic", cpl->content_title_text(), dcp::LocalTime().as_string() + ).encrypt (signer, target, formulation); } list @@ -1061,13 +1097,16 @@ Film::make_kdms ( list > screens, boost::filesystem::path dcp, dcp::LocalTime from, - dcp::LocalTime until + dcp::LocalTime until, + dcp::Formulation formulation ) const { list kdms; for (list >::iterator i = screens.begin(); i != screens.end(); ++i) { - kdms.push_back (make_kdm ((*i)->certificate, dcp, from, until)); + if ((*i)->certificate) { + kdms.push_back (make_kdm ((*i)->certificate.get(), dcp, from, until, formulation)); + } } return kdms; @@ -1090,10 +1129,104 @@ Film::required_disk_space () const * Note: the decision made by this method isn't, of course, 100% reliable. */ bool -Film::should_be_enough_disk_space (double& required, double& available) const +Film::should_be_enough_disk_space (double& required, double& available, bool& can_hard_link) const { + /* Create a test file and see if we can hard-link it */ + boost::filesystem::path test = internal_video_mxf_dir() / "test"; + boost::filesystem::path test2 = internal_video_mxf_dir() / "test2"; + can_hard_link = true; + FILE* f = fopen_boost (test, "w"); + if (f) { + fclose (f); + boost::system::error_code ec; + boost::filesystem::create_hard_link (test, test2, ec); + if (ec) { + can_hard_link = false; + } + boost::filesystem::remove (test); + boost::filesystem::remove (test2); + } + boost::filesystem::space_info s = boost::filesystem::space (internal_video_mxf_dir ()); required = double (required_disk_space ()) / 1073741824.0f; + if (!can_hard_link) { + required *= 2; + } available = double (s.available) / 1073741824.0f; return (available - required) > 1; } + +string +Film::subtitle_language () const +{ + set languages; + + ContentList cl = content (); + BOOST_FOREACH (shared_ptr& c, cl) { + shared_ptr sc = dynamic_pointer_cast (c); + if (sc) { + languages.insert (sc->subtitle_language ()); + } + } + + string all; + BOOST_FOREACH (string s, languages) { + if (!all.empty ()) { + all += "/" + s; + } else { + all += s; + } + } + + return all; +} + +/** Change the gains of the supplied AudioMapping to make it a default + * for this film. The defaults are guessed based on what processor (if any) + * is in use and the number of input channels. + */ +void +Film::make_audio_mapping_default (AudioMapping& mapping) const +{ + if (audio_processor ()) { + audio_processor()->make_audio_mapping_default (mapping); + } else { + mapping.make_zero (); + if (mapping.input_channels() == 1) { + /* Mono -> Centre */ + mapping.set (0, static_cast (dcp::CENTRE), 1); + } else { + /* 1:1 mapping */ + for (int i = 0; i < min (mapping.input_channels(), mapping.output_channels()); ++i) { + mapping.set (i, i, 1); + } + } + } +} + +/** @return The names of the channels that audio contents' outputs are passed into; + * this is either the DCP or a AudioProcessor. + */ +vector +Film::audio_output_names () const +{ + if (audio_processor ()) { + return audio_processor()->input_names (); + } + + vector n; + n.push_back (_("L")); + n.push_back (_("R")); + n.push_back (_("C")); + n.push_back (_("Lfe")); + n.push_back (_("Ls")); + n.push_back (_("Rs")); + n.push_back (_("HI")); + n.push_back (_("VI")); + n.push_back (_("Lc")); + n.push_back (_("Rc")); + n.push_back (_("BsL")); + n.push_back (_("BsR")); + + return vector (n.begin(), n.begin() + audio_channels ()); +}