test/subtitle_language_test.cc

   1 /*
   2     Copyright (C) 2020-2021 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21
  22 /** @file  test/subtitle_language_test.cc
  23  *  @brief Test that subtitle language information is correctly written to DCPs.
  24  */
  25
  26
  27 #include "lib/content.h"
  28 #include "lib/content_factory.h"
  29 #include "lib/film.h"
  30 #include "lib/text_content.h"
  31 #include "test.h"
  32 #include <dcp/language_tag.h>
  33 #include <boost/test/unit_test.hpp>
  34 #include <vector>
  35
  36
  37 using std::string;
  38 using std::vector;
  39
  40
  41 BOOST_AUTO_TEST_CASE (subtitle_language_interop_test)
  42 {
  43         string const name = "subtitle_language_interop_test";
  44         auto fr = content_factory("test/data/frames.srt");
  45         auto film = new_test_film2 (name, fr);
  46
  47         fr[0]->only_text()->set_language(dcp::LanguageTag("fr"));
  48         film->set_interop (true);
  49         film->set_audio_channels(6);
  50
  51         make_and_verify_dcp (
  52                 film,
  53                 {
  54                         dcp::VerificationNote::Code::INVALID_STANDARD,
  55                         dcp::VerificationNote::Code::INVALID_SUBTITLE_SPACING,
  56                         dcp::VerificationNote::Code::INVALID_SUBTITLE_DURATION
  57                 },
  58                 false,
  59                 /* clairmeta raises errors about subtitle spacing/duration */
  60                 false
  61                 );
  62
  63         check_dcp(String::compose("test/data/%1", name), String::compose("build/test/%1/%2", name, film->dcp_name()));
  64 }
  65
  66
  67 BOOST_AUTO_TEST_CASE (subtitle_language_smpte_test)
  68 {
  69         string const name = "subtitle_language_smpte_test";
  70         auto fr = content_factory("test/data/frames.srt");
  71         auto film = new_test_film2 (name, fr);
  72
  73         fr[0]->only_text()->set_language(dcp::LanguageTag("fr"));
  74         film->set_interop (false);
  75
  76         make_and_verify_dcp (
  77                 film,
  78                 {
  79                         dcp::VerificationNote::Code::MISSING_SUBTITLE_LANGUAGE,
  80                         dcp::VerificationNote::Code::INVALID_SUBTITLE_FIRST_TEXT_TIME,
  81                         dcp::VerificationNote::Code::INVALID_SUBTITLE_DURATION,
  82                         dcp::VerificationNote::Code::INVALID_SUBTITLE_SPACING,
  83                         dcp::VerificationNote::Code::MISSING_CPL_METADATA
  84                 });
  85
  86         /* This test is concerned with the subtitles, so we'll ignore any
  87          * differences in sound between the DCP and the reference to avoid test
  88          * failures for unrelated reasons.
  89          */
  90         check_dcp(String::compose("test/data/%1", name), String::compose("build/test/%1/%2", name, film->dcp_name()), true);
  91 }
  92
  93
  94 BOOST_AUTO_TEST_CASE(subtitle_language_in_cpl_test)
  95 {
  96         auto subs = content_factory("test/data/frames.srt")[0];
  97         auto video1 = content_factory("test/data/flat_red.png")[0];
  98         auto video2 = content_factory("test/data/flat_red.png")[0];
  99         auto film = new_test_film2(boost::unit_test::framework::current_test_unit().full_name(), { subs, video1, video2 });
 100         video2->set_position(film, dcpomatic::DCPTime::from_seconds(5));
 101         film->set_reel_type(ReelType::BY_VIDEO_CONTENT);
 102         subs->only_text()->set_language(dcp::LanguageTag("fr"));
 103
 104         make_and_verify_dcp(
 105                 film,
 106                 {
 107                         dcp::VerificationNote::Code::INVALID_SUBTITLE_FIRST_TEXT_TIME,
 108                         dcp::VerificationNote::Code::INVALID_SUBTITLE_DURATION,
 109                         dcp::VerificationNote::Code::INVALID_SUBTITLE_SPACING
 110                 });
 111
 112         cxml::Document cpl("CompositionPlaylist");
 113         cpl.read_file(find_file(film->dir(film->dcp_name()), "cpl_"));
 114
 115         for (auto reel: cpl.node_child("ReelList")->node_children("Reel")) {
 116                 auto subtitle = reel->node_child("AssetList")->node_child("MainSubtitle");
 117                 BOOST_REQUIRE(subtitle);
 118                 BOOST_CHECK(subtitle->optional_node_child("Language"));
 119         }
 120 }
 121