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         }
  71 }
  72
  73 PlayerStressTester::PlayerStressTester ()
  74         : _parent (0)
  75         , _controls (0)
  76         , _suspended (false)
  77 {
  78
  79 }
  80
  81
  82 void
  83 PlayerStressTester::setup (wxWindow* parent, Controls* controls)
  84 {
  85         _parent = parent;
  86         _controls = controls;
  87 }
  88
  89
  90 void
  91 PlayerStressTester::load_script (boost::filesystem::path file)
  92 {
  93         DCPOMATIC_ASSERT (_parent);
  94
  95         _timer.Bind (wxEVT_TIMER, boost::bind(&PlayerStressTester::check_commands, this));
  96         _timer.Start (CHECK_INTERVAL);
  97         vector<string> lines;
  98         string const script = dcp::file_to_string(file);
  99         boost::split (lines, script, boost::is_any_of("\n"));
 100         BOOST_FOREACH (string i, lines) {
 101                 _commands.push_back (Command(i));
 102         }
 103         _current_command = _commands.begin();
 104 }
 105
 106 void
 107 PlayerStressTester::check_commands ()
 108 {
 109         DCPOMATIC_ASSERT (_controls);
 110
 111         if (_suspended) {
 112                 return;
 113         }
 114
 115         if (_current_command == _commands.end()) {
 116                 _timer.Stop ();
 117                 cout << "ST: finished.\n";
 118                 return;
 119         }
 120
 121         switch (_current_command->type) {
 122                 case Command::OPEN:
 123                         LoadDCP(_current_command->string_param);
 124                         ++_current_command;
 125                         break;
 126                 case Command::PLAY:
 127                         cout << "ST: play\n";
 128                         _controls->play ();
 129                         ++_current_command;
 130                         break;
 131                 case Command::WAIT:
 132                         /* int_param here is the number of milliseconds to wait */
 133                         if (_wait_remaining) {
 134                                 _wait_remaining = *_wait_remaining - CHECK_INTERVAL;
 135                                 if (_wait_remaining < 0) {
 136                                         cout << "ST: wait done.\n";
 137                                         _wait_remaining = optional<int>();
 138                                         ++_current_command;
 139                                 }
 140                         } else {
 141                                 _wait_remaining = _current_command->int_param;
 142                                 cout << "ST: waiting for " << *_wait_remaining << ".\n";
 143                         }
 144                         break;
 145                 case Command::STOP:
 146                         cout << "ST: stop\n";
 147                         _controls->stop ();
 148                         ++_current_command;
 149                         break;
 150                 case Command::NONE:
 151                         ++_current_command;
 152                         break;
 153                 case Command::SEEK:
 154                         /* int_param here is a number between 0 and 4095, corresponding to the possible slider positions */
 155                         cout << "ST: seek to " << _current_command->int_param << "\n";
 156                         _controls->seek (_current_command->int_param);
 157                         ++_current_command;
 158                         break;
 159         }
 160 }
 161