src/tools/server_test.cc

   1 /*
   2     Copyright (C) 2012-2021 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 #include "lib/dcp_video.h"
  23 #include "lib/decoder.h"
  24 #include "lib/encode_server.h"
  25 #include "lib/encode_server_description.h"
  26 #include "lib/exceptions.h"
  27 #include "lib/file_log.h"
  28 #include "lib/film.h"
  29 #include "lib/filter.h"
  30 #include "lib/player.h"
  31 #include "lib/player_video.h"
  32 #include "lib/j2k_encoder_cpu_backend.h"
  33 #include "lib/j2k_encoder_remote_backend.h"
  34 #include "lib/ratio.h"
  35 #include "lib/util.h"
  36 #include "lib/video_decoder.h"
  37 #include <getopt.h>
  38 #include <exception>
  39 #include <iomanip>
  40 #include <iostream>
  41
  42
  43 using std::cerr;
  44 using std::cout;
  45 using std::make_shared;
  46 using std::shared_ptr;
  47 using std::string;
  48 using boost::optional;
  49 using boost::bind;
  50 #if BOOST_VERSION >= 106100
  51 using namespace boost::placeholders;
  52 #endif
  53 using dcp::ArrayData;
  54 using namespace dcpomatic;
  55
  56
  57 static shared_ptr<Film> film;
  58 static EncodeServerDescription* server;
  59 static int frame_count = 0;
  60
  61
  62 void
  63 process_video (shared_ptr<PlayerVideo> pvf)
  64 {
  65         DCPVideo local(pvf, frame_count, film->video_frame_rate(), 250000000, Resolution::TWO_K);
  66         DCPVideo remote(pvf, frame_count, film->video_frame_rate(), 250000000, Resolution::TWO_K);
  67
  68         cout << "Frame " << frame_count << ": ";
  69         cout.flush ();
  70
  71         ++frame_count;
  72
  73         J2KEncoderCPUBackend cpu_backend;
  74         auto local_encoded = cpu_backend.encode(local);
  75         optional<ArrayData> remote_encoded;
  76
  77         string remote_error;
  78         J2KEncoderRemoteBackend remote_backend(*server);
  79         try {
  80                 remote_encoded = remote_backend.encode(remote);
  81         } catch (NetworkError& e) {
  82                 remote_error = e.what ();
  83         }
  84
  85         DCPOMATIC_ASSERT (remote_encoded);
  86
  87         if (!remote_error.empty()) {
  88                 cout << "\033[0;31mnetwork problem: " << remote_error << "\033[0m\n";
  89                 return;
  90         }
  91
  92         if (local_encoded->size() != remote_encoded->size()) {
  93                 cout << "\033[0;31msizes differ\033[0m\n";
  94                 return;
  95         }
  96
  97         auto p = local_encoded->data();
  98         auto q = remote_encoded->data();
  99         for (int i = 0; i < local_encoded->size(); ++i) {
 100                 if (*p++ != *q++) {
 101                         cout << "\033[0;31mdata differ\033[0m at byte " << i << "\n";
 102                         return;
 103                 }
 104         }
 105
 106         cout << "\033[0;32mgood\033[0m\n";
 107 }
 108
 109
 110 static void
 111 help (string n)
 112 {
 113         cerr << "Syntax: " << n << " [--help] --film <film> --server <host>\n";
 114         exit (EXIT_FAILURE);
 115 }
 116
 117
 118 int
 119 main (int argc, char* argv[])
 120 {
 121         boost::filesystem::path film_dir;
 122         string server_host;
 123
 124         while (true) {
 125                 static struct option long_options[] = {
 126                         { "help", no_argument, 0, 'h'},
 127                         { "server", required_argument, 0, 's'},
 128                         { "film", required_argument, 0, 'f'},
 129                         { 0, 0, 0, 0 }
 130                 };
 131
 132                 int option_index = 0;
 133                 int c = getopt_long (argc, argv, "hs:f:", long_options, &option_index);
 134
 135                 if (c == -1) {
 136                         break;
 137                 }
 138
 139                 switch (c) {
 140                 case 'h':
 141                         help (argv[0]);
 142                         exit (EXIT_SUCCESS);
 143                 case 's':
 144                         server_host = optarg;
 145                         break;
 146                 case 'f':
 147                         film_dir = optarg;
 148                         break;
 149                 }
 150         }
 151
 152         if (server_host.empty() || film_dir.string().empty()) {
 153                 help (argv[0]);
 154                 exit (EXIT_FAILURE);
 155         }
 156
 157         dcpomatic_setup ();
 158
 159         try {
 160                 server = new EncodeServerDescription (server_host, 1, SERVER_LINK_VERSION);
 161                 film = make_shared<Film>(film_dir);
 162                 film->read_metadata ();
 163
 164                 auto player = make_shared<Player>(film, Image::Alignment::COMPACT);
 165                 player->Video.connect (bind(&process_video, _1));
 166                 while (!player->pass ()) {}
 167         } catch (std::exception& e) {
 168                 cerr << "Error: " << e.what() << "\n";
 169         }
 170
 171         return 0;
 172 }