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