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