test/ffmpeg_decoder_seek_test.cc

   1 /*
   2     Copyright (C) 2014-2021 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/ffmpeg_decoder_seek_test.cc
  23  *  @brief Check seek() with FFmpegDecoder.
  24  *  @ingroup selfcontained
  25  *
  26  *  This doesn't check that the contents of those frames are right, which
  27  *  it probably should.
  28  */
  29
  30
  31 #include "lib/content_video.h"
  32 #include "lib/ffmpeg_content.h"
  33 #include "lib/ffmpeg_decoder.h"
  34 #include "lib/film.h"
  35 #include "lib/null_log.h"
  36 #include "lib/video_decoder.h"
  37 #include "test.h"
  38 #include <boost/filesystem.hpp>
  39 #include <boost/test/unit_test.hpp>
  40 #include <iostream>
  41 #include <vector>
  42
  43
  44 using std::cerr;
  45 using std::cout;
  46 using std::list;
  47 using std::make_shared;
  48 using std::shared_ptr;
  49 using std::vector;
  50 using boost::optional;
  51 #if BOOST_VERSION >= 106100
  52 using namespace boost::placeholders;
  53 #endif
  54 using namespace dcpomatic;
  55
  56
  57 static optional<ContentVideo> stored;
  58 static bool
  59 store (ContentVideo v)
  60 {
  61         stored = v;
  62         return true;
  63 }
  64
  65
  66 static void
  67 check (shared_ptr<FFmpegDecoder> decoder, ContentTime time)
  68 {
  69         BOOST_REQUIRE (decoder->ffmpeg_content()->video_frame_rate ());
  70         decoder->seek(time, true);
  71         stored = optional<ContentVideo> ();
  72         while (!decoder->pass() && !stored) {}
  73         BOOST_CHECK(stored->time <= time);
  74 }
  75
  76
  77 static void
  78 test (boost::filesystem::path file, vector<ContentTime> times)
  79 {
  80         auto path = TestPaths::private_data() / file;
  81         BOOST_REQUIRE (boost::filesystem::exists (path));
  82
  83         auto film = new_test_film ("ffmpeg_decoder_seek_test_" + file.string());
  84         auto content = make_shared<FFmpegContent>(path);
  85         film->examine_and_add_content (content);
  86         BOOST_REQUIRE (!wait_for_jobs());
  87         auto decoder = make_shared<FFmpegDecoder>(film, content, false);
  88         decoder->video->Data.connect (bind (&store, _1));
  89
  90         for (auto i: times) {
  91                 check (decoder, i);
  92         }
  93 }
  94
  95
  96 BOOST_AUTO_TEST_CASE (ffmpeg_decoder_seek_test)
  97 {
  98         test(
  99                 "boon_telly.mkv",
 100                 {
 101                         ContentTime::from_frames(0, 29.97),
 102                         ContentTime::from_frames(42, 29.97),
 103                         ContentTime::from_frames(999, 29.97),
 104                         ContentTime::from_frames(0, 29.97),
 105                 }
 106             );
 107
 108         test(
 109                 "Sintel_Trailer1.480p.DivX_Plus_HD.mkv",
 110                 {
 111                         ContentTime::from_frames(0, 24),
 112                         ContentTime::from_frames(42, 24),
 113                         ContentTime::from_frames(999, 24),
 114                         ContentTime::from_frames(0, 24),
 115                 }
 116             );
 117
 118         test(
 119                 "prophet_long_clip.mkv",
 120                 {
 121                         ContentTime::from_frames(15, 23.976),
 122                         ContentTime::from_frames(42, 23.976),
 123                         ContentTime::from_frames(999, 23.976),
 124                         ContentTime::from_frames(15, 23.976)
 125                 }
 126             );
 127
 128         test(
 129                 "dolby_aurora.vob",
 130                 {
 131                         ContentTime::from_frames(0, 25),
 132                         ContentTime::from_frames(125, 25),
 133                         ContentTime::from_frames(250, 25),
 134                         ContentTime::from_frames(41, 25)
 135                 }
 136             );
 137 }