src/tools/server_test.cc

   1 /*
   2     Copyright (C) 2012-2015 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 #include "lib/ratio.h"
  22 #include "lib/film.h"
  23 #include "lib/filter.h"
  24 #include "lib/util.h"
  25 #include "lib/encode_server.h"
  26 #include "lib/dcp_video.h"
  27 #include "lib/decoder.h"
  28 #include "lib/exceptions.h"
  29 #include "lib/file_log.h"
  30 #include "lib/video_decoder.h"
  31 #include "lib/player.h"
  32 #include "lib/player_video.h"
  33 #include "lib/encode_server_description.h"
  34 #include "lib/j2k_encoder_cpu_backend.h"
  35 #include "lib/j2k_encoder_remote_backend.h"
  36 #include <getopt.h>
  37 #include <iostream>
  38 #include <iomanip>
  39 #include <exception>
  40
  41 using std::cout;
  42 using std::cerr;
  43 using std::string;
  44 using std::pair;
  45 using std::vector;
  46 using boost::shared_ptr;
  47 using boost::optional;
  48 using boost::bind;
  49 #if BOOST_VERSION >= 106100
  50 using namespace boost::placeholders;
  51 #endif
  52 using dcp::Data;
  53
  54 static shared_ptr<Film> film;
  55 static EncodeServerDescription* server;
  56 static int frame_count = 0;
  57
  58 void
  59 process_video (shared_ptr<PlayerVideo> pvf)
  60 {
  61         shared_ptr<DCPVideo> local  (new DCPVideo (pvf, frame_count, film->video_frame_rate(), 250000000, RESOLUTION_2K));
  62         vector<shared_ptr<DCPVideo> > locals;
  63         locals.push_back (local);
  64         shared_ptr<DCPVideo> remote (new DCPVideo (pvf, frame_count, film->video_frame_rate(), 250000000, RESOLUTION_2K));
  65         vector<shared_ptr<DCPVideo> > remotes;
  66         remotes.push_back (remote);
  67
  68         cout << "Frame " << frame_count << ": ";
  69         cout.flush ();
  70
  71         ++frame_count;
  72
  73         J2KEncoderCPUBackend cpu_backend;
  74         Data local_encoded = cpu_backend.encode(locals).front();
  75         Data remote_encoded;
  76
  77         string remote_error;
  78         try {
  79                 J2KEncoderRemoteBackend remote_backend(*server);
  80                 remote_encoded = remote_backend.encode(remotes).front();
  81         } catch (NetworkError& e) {
  82                 remote_error = e.what ();
  83         }
  84
  85         if (!remote_error.empty ()) {
  86                 cout << "\033[0;31mnetwork problem: " << remote_error << "\033[0m\n";
  87                 return;
  88         }
  89
  90         if (local_encoded.size() != remote_encoded.size()) {
  91                 cout << "\033[0;31msizes differ\033[0m\n";
  92                 return;
  93         }
  94
  95         uint8_t* p = local_encoded.data().get ();
  96         uint8_t* q = remote_encoded.data().get ();
  97         for (int i = 0; i < local_encoded.size(); ++i) {
  98                 if (*p++ != *q++) {
  99                         cout << "\033[0;31mdata differ\033[0m at byte " << i << "\n";
 100                         return;
 101                 }
 102         }
 103
 104         cout << "\033[0;32mgood\033[0m\n";
 105 }
 106
 107 static void
 108 help (string n)
 109 {
 110         cerr << "Syntax: " << n << " [--help] --film <film> --server <host>\n";
 111         exit (EXIT_FAILURE);
 112 }
 113
 114 int
 115 main (int argc, char* argv[])
 116 {
 117         boost::filesystem::path film_dir;
 118         string server_host;
 119
 120         while (true) {
 121                 static struct option long_options[] = {
 122                         { "help", no_argument, 0, 'h'},
 123                         { "server", required_argument, 0, 's'},
 124                         { "film", required_argument, 0, 'f'},
 125                         { 0, 0, 0, 0 }
 126                 };
 127
 128                 int option_index = 0;
 129                 int c = getopt_long (argc, argv, "hs:f:", long_options, &option_index);
 130
 131                 if (c == -1) {
 132                         break;
 133                 }
 134
 135                 switch (c) {
 136                 case 'h':
 137                         help (argv[0]);
 138                         exit (EXIT_SUCCESS);
 139                 case 's':
 140                         server_host = optarg;
 141                         break;
 142                 case 'f':
 143                         film_dir = optarg;
 144                         break;
 145                 }
 146         }
 147
 148         if (server_host.empty() || film_dir.string().empty()) {
 149                 help (argv[0]);
 150                 exit (EXIT_FAILURE);
 151         }
 152
 153         dcpomatic_setup ();
 154
 155         try {
 156                 server = new EncodeServerDescription (server_host, 1, SERVER_LINK_VERSION);
 157                 film.reset (new Film (film_dir));
 158                 film->read_metadata ();
 159
 160                 shared_ptr<Player> player (new Player(film));
 161                 player->Video.connect (bind (&process_video, _1));
 162                 while (!player->pass ()) {}
 163         } catch (std::exception& e) {
 164                 cerr << "Error: " << e.what() << "\n";
 165         }
 166
 167         return 0;
 168 }