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