src/wx/player_stress_tester.cc

   1 /*
   2     Copyright (C) 2017-2020 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 "controls.h"
  23 #include "player_stress_tester.h"
  24 #include <dcp/raw_convert.h>
  25 #include <dcp/util.h>
  26 #include <wx/wx.h>
  27 #include <boost/algorithm/string.hpp>
  28 #include <boost/bind/bind.hpp>
  29 #include <iostream>
  30 #include <string>
  31 #include <vector>
  32
  33
  34 using std::cout;
  35 using std::string;
  36 using std::vector;
  37 using dcp::raw_convert;
  38 using boost::optional;
  39
  40
  41 /* Interval to check for things to do with the stress script (in milliseconds) */
  42 #define CHECK_INTERVAL 20
  43
  44
  45 Command::Command (string line)
  46         : type (NONE)
  47         , int_param (0)
  48 {
  49         vector<string> bits;
  50         boost::split (bits, line, boost::is_any_of(" "));
  51         if (bits[0] == "O") {
  52                 if (bits.size() != 2) {
  53                         return;
  54                 }
  55                 type = OPEN;
  56                 string_param = bits[1];
  57         } else if (bits[0] == "P") {
  58                 type = PLAY;
  59         } else if (bits[0] == "W") {
  60                 if (bits.size() != 2) {
  61                         return;
  62                 }
  63                 type = WAIT;
  64                 int_param = raw_convert<int>(bits[1]);
  65         } else if (bits[0] == "S") {
  66                 type = STOP;
  67         } else if (bits[0] == "K") {
  68                 if (bits.size() != 2) {
  69                         return;
  70                 }
  71                 type = SEEK;
  72                 int_param = raw_convert<int>(bits[1]);
  73         } else if (bits[0] == "E") {
  74                 type = EXIT;
  75         }
  76 }
  77
  78 PlayerStressTester::PlayerStressTester ()
  79         : _parent (0)
  80         , _controls (0)
  81         , _suspended (false)
  82 {
  83
  84 }
  85
  86
  87 void
  88 PlayerStressTester::setup (wxWindow* parent, Controls* controls)
  89 {
  90         _parent = parent;
  91         _controls = controls;
  92 }
  93
  94
  95 void
  96 PlayerStressTester::load_script (boost::filesystem::path file)
  97 {
  98         DCPOMATIC_ASSERT (_parent);
  99
 100         _timer.Bind (wxEVT_TIMER, boost::bind(&PlayerStressTester::check_commands, this));
 101         _timer.Start (CHECK_INTERVAL);
 102         vector<string> lines;
 103         string const script = dcp::file_to_string(file);
 104         boost::split (lines, script, boost::is_any_of("\n"));
 105         for (auto i: lines) {
 106                 _commands.push_back (Command(i));
 107         }
 108         _current_command = _commands.begin();
 109 }
 110
 111 void
 112 PlayerStressTester::check_commands ()
 113 {
 114         DCPOMATIC_ASSERT (_controls);
 115
 116         if (_suspended) {
 117                 return;
 118         }
 119
 120         if (_current_command == _commands.end()) {
 121                 _timer.Stop ();
 122                 cout << "ST: finished.\n";
 123                 return;
 124         }
 125
 126         switch (_current_command->type) {
 127                 case Command::OPEN:
 128                         LoadDCP(_current_command->string_param);
 129                         ++_current_command;
 130                         break;
 131                 case Command::PLAY:
 132                         cout << "ST: play\n";
 133                         _controls->play ();
 134                         ++_current_command;
 135                         break;
 136                 case Command::WAIT:
 137                         /* int_param here is the number of milliseconds to wait */
 138                         if (_wait_remaining) {
 139                                 _wait_remaining = *_wait_remaining - CHECK_INTERVAL;
 140                                 if (_wait_remaining < 0) {
 141                                         cout << "ST: wait done.\n";
 142                                         _wait_remaining = optional<int>();
 143                                         ++_current_command;
 144                                 }
 145                         } else {
 146                                 _wait_remaining = _current_command->int_param;
 147                                 cout << "ST: waiting for " << *_wait_remaining << ".\n";
 148                         }
 149                         break;
 150                 case Command::STOP:
 151                         cout << "ST: stop\n";
 152                         _controls->stop ();
 153                         ++_current_command;
 154                         break;
 155                 case Command::NONE:
 156                         ++_current_command;
 157                         break;
 158                 case Command::SEEK:
 159                         /* int_param here is a number between 0 and 4095, corresponding to the possible slider positions */
 160                         cout << "ST: seek to " << _current_command->int_param << "\n";
 161                         _controls->seek (_current_command->int_param);
 162                         ++_current_command;
 163                         break;
 164                 case Command::EXIT:
 165                         wxTheApp->GetTopWindow()->Destroy();
 166                         break;
 167         }
 168 }
 169