git.sesse.net Git - casparcg/blob - protocol/amcp/AMCPCommandsImpl.cpp

   1 /*
   2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
   3 *
   4 * This file is part of CasparCG (www.casparcg.com).
   5 *
   6 * CasparCG 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 3 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * CasparCG 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 CasparCG. If not, see <http://www.gnu.org/licenses/>.
  18 *
  19 * Author: Nicklas P Andersson
  20 */
  21
  22 #include "../StdAfx.h"
  23
  24 #if defined(_MSC_VER)
  25 #pragma warning (push, 1) // TODO: Legacy code, just disable warnings
  26 #endif
  27
  28 #include "AMCPCommandsImpl.h"
  29 #include "AMCPProtocolStrategy.h"
  30
  31 #include <common/env.h>
  32
  33 #include <common/log.h>
  34 #include <common/param.h>
  35 #include <common/os/system_info.h>
  36 #include <common/os/filesystem.h>
  37 #include <common/base64.h>
  38
  39 #include <core/producer/frame_producer.h>
  40 #include <core/video_format.h>
  41 #include <core/producer/transition/transition_producer.h>
  42 #include <core/frame/frame_transform.h>
  43 #include <core/producer/stage.h>
  44 #include <core/producer/layer.h>
  45 #include <core/mixer/mixer.h>
  46 #include <core/consumer/output.h>
  47 #include <core/thumbnail_generator.h>
  48 #include <core/producer/media_info/media_info.h>
  49 #include <core/producer/media_info/media_info_repository.h>
  50 #include <core/diagnostics/call_context.h>
  51 #include <core/diagnostics/osd_graph.h>
  52 #include <core/system_info_provider.h>
  53
  54 #include <modules/reroute/producer/reroute_producer.h>
  55
  56 #include <algorithm>
  57 #include <locale>
  58 #include <fstream>
  59 #include <memory>
  60 #include <cctype>
  61 #include <future>
  62
  63 #include <boost/date_time/posix_time/posix_time.hpp>
  64 #include <boost/lexical_cast.hpp>
  65 #include <boost/algorithm/string.hpp>
  66 #include <boost/filesystem.hpp>
  67 #include <boost/filesystem/fstream.hpp>
  68 #include <boost/regex.hpp>
  69 #include <boost/property_tree/xml_parser.hpp>
  70 #include <boost/locale.hpp>
  71 #include <boost/range/adaptor/transformed.hpp>
  72 #include <boost/range/algorithm/copy.hpp>
  73 #include <boost/archive/iterators/base64_from_binary.hpp>
  74 #include <boost/archive/iterators/insert_linebreaks.hpp>
  75 #include <boost/archive/iterators/transform_width.hpp>
  76
  77 #include <tbb/concurrent_unordered_map.h>
  78
  79 /* Return codes
  80
  81 102 [action]                    Information that [action] has happened
  82 101 [action]                    Information that [action] has happened plus one row of data
  83
  84 202 [command] OK                [command] has been executed
  85 201 [command] OK                [command] has been executed, plus one row of data
  86 200 [command] OK                [command] has been executed, plus multiple lines of data. ends with an empty line
  87
  88 400 ERROR                               the command could not be understood
  89 401 [command] ERROR             invalid/missing channel
  90 402 [command] ERROR             parameter missing
  91 403 [command] ERROR             invalid parameter
  92 404 [command] ERROR             file not found
  93
  94 500 FAILED                              internal error
  95 501 [command] FAILED    internal error
  96 502 [command] FAILED    could not read file
  97 503 [command] FAILED    access denied
  98
  99 600 [command] FAILED    [command] not implemented
 100 */
 101
 102 namespace caspar { namespace protocol {
 103
 104 using namespace core;
 105
 106 std::wstring read_file_base64(const boost::filesystem::path& file)
 107 {
 108         using namespace boost::archive::iterators;
 109
 110         boost::filesystem::ifstream filestream(file, std::ios::binary);
 111
 112         if (!filestream)
 113                 return L"";
 114
 115         auto length = boost::filesystem::file_size(file);
 116         std::vector<char> bytes;
 117         bytes.resize(length);
 118         filestream.read(bytes.data(), length);
 119
 120         std::string result(to_base64(bytes.data(), length));
 121         return std::wstring(result.begin(), result.end());
 122 }
 123
 124 std::wstring read_utf8_file(const boost::filesystem::path& file)
 125 {
 126         std::wstringstream result;
 127         boost::filesystem::wifstream filestream(file);
 128
 129         if (filestream)
 130         {
 131                 // Consume BOM first
 132                 filestream.get();
 133                 // read all data
 134                 result << filestream.rdbuf();
 135         }
 136
 137         return result.str();
 138 }
 139
 140 std::wstring read_latin1_file(const boost::filesystem::path& file)
 141 {
 142         boost::locale::generator gen;
 143         gen.locale_cache_enabled(true);
 144         gen.categories(boost::locale::codepage_facet);
 145
 146         std::stringstream result_stream;
 147         boost::filesystem::ifstream filestream(file);
 148         filestream.imbue(gen("en_US.ISO8859-1"));
 149
 150         if (filestream)
 151         {
 152                 // read all data
 153                 result_stream << filestream.rdbuf();
 154         }
 155
 156         std::string result = result_stream.str();
 157         std::wstring widened_result;
 158
 159         // The first 255 codepoints in unicode is the same as in latin1
 160         boost::copy(
 161                 result | boost::adaptors::transformed(
 162                                 [](char c) { return static_cast<unsigned char>(c); }),
 163                 std::back_inserter(widened_result));
 164
 165         return widened_result;
 166 }
 167
 168 std::wstring read_file(const boost::filesystem::path& file)
 169 {
 170         static const uint8_t BOM[] = {0xef, 0xbb, 0xbf};
 171
 172         if (!boost::filesystem::exists(file))
 173         {
 174                 return L"";
 175         }
 176
 177         if (boost::filesystem::file_size(file) >= 3)
 178         {
 179                 boost::filesystem::ifstream bom_stream(file);
 180
 181                 char header[3];
 182                 bom_stream.read(header, 3);
 183                 bom_stream.close();
 184
 185                 if (std::memcmp(BOM, header, 3) == 0)
 186                         return read_utf8_file(file);
 187         }
 188
 189         return read_latin1_file(file);
 190 }
 191
 192 std::wstring MediaInfo(const boost::filesystem::path& path, const spl::shared_ptr<media_info_repository>& media_info_repo)
 193 {
 194         if (!boost::filesystem::is_regular_file(path))
 195                 return L"";
 196
 197         auto media_info = media_info_repo->get(path.wstring());
 198
 199         if (!media_info)
 200                 return L"";
 201
 202         auto is_not_digit = [](char c){ return std::isdigit(c) == 0; };
 203
 204         auto relativePath = boost::filesystem::path(path.wstring().substr(env::media_folder().size() - 1, path.wstring().size()));
 205
 206         auto writeTimeStr = boost::posix_time::to_iso_string(boost::posix_time::from_time_t(boost::filesystem::last_write_time(path)));
 207         writeTimeStr.erase(std::remove_if(writeTimeStr.begin(), writeTimeStr.end(), is_not_digit), writeTimeStr.end());
 208         auto writeTimeWStr = std::wstring(writeTimeStr.begin(), writeTimeStr.end());
 209
 210         auto sizeStr = boost::lexical_cast<std::wstring>(boost::filesystem::file_size(path));
 211         sizeStr.erase(std::remove_if(sizeStr.begin(), sizeStr.end(), is_not_digit), sizeStr.end());
 212         auto sizeWStr = std::wstring(sizeStr.begin(), sizeStr.end());
 213
 214         auto str = relativePath.replace_extension(L"").generic_wstring();
 215         if (str[0] == '\\' || str[0] == '/')
 216                 str = std::wstring(str.begin() + 1, str.end());
 217
 218         return std::wstring()
 219                 + L"\"" + str +
 220                 + L"\" " + media_info->clip_type +
 221                 + L" " + sizeStr +
 222                 + L" " + writeTimeWStr +
 223                 + L" " + boost::lexical_cast<std::wstring>(media_info->duration) +
 224                 + L" " + boost::lexical_cast<std::wstring>(media_info->time_base.numerator()) + L"/" + boost::lexical_cast<std::wstring>(media_info->time_base.denominator())
 225                 + L"\r\n";
 226 }
 227
 228 std::wstring ListMedia(const spl::shared_ptr<media_info_repository>& media_info_repo)
 229 {
 230         std::wstringstream replyString;
 231         for (boost::filesystem::recursive_directory_iterator itr(env::media_folder()), end; itr != end; ++itr)
 232                 replyString << MediaInfo(itr->path(), media_info_repo);
 233
 234         return boost::to_upper_copy(replyString.str());
 235 }
 236
 237 std::wstring ListTemplates(const spl::shared_ptr<core::cg_producer_registry>& cg_registry)
 238 {
 239         std::wstringstream replyString;
 240
 241         for (boost::filesystem::recursive_directory_iterator itr(env::template_folder()), end; itr != end; ++itr)
 242         {
 243                 if(boost::filesystem::is_regular_file(itr->path()) && cg_registry->is_cg_extension(itr->path().extension().wstring()))
 244                 {
 245                         auto relativePath = boost::filesystem::path(itr->path().wstring().substr(env::template_folder().size()-1, itr->path().wstring().size()));
 246
 247                         auto writeTimeStr = boost::posix_time::to_iso_string(boost::posix_time::from_time_t(boost::filesystem::last_write_time(itr->path())));
 248                         writeTimeStr.erase(std::remove_if(writeTimeStr.begin(), writeTimeStr.end(), [](char c){ return std::isdigit(c) == 0;}), writeTimeStr.end());
 249                         auto writeTimeWStr = std::wstring(writeTimeStr.begin(), writeTimeStr.end());
 250
 251                         auto sizeStr = boost::lexical_cast<std::string>(boost::filesystem::file_size(itr->path()));
 252                         sizeStr.erase(std::remove_if(sizeStr.begin(), sizeStr.end(), [](char c){ return std::isdigit(c) == 0;}), sizeStr.end());
 253
 254                         auto sizeWStr = std::wstring(sizeStr.begin(), sizeStr.end());
 255
 256                         auto dir = relativePath.parent_path();
 257                         auto file = boost::to_upper_copy(relativePath.filename().wstring());
 258                         relativePath = dir / file;
 259
 260                         auto str = relativePath.replace_extension(L"").generic_wstring();
 261                         boost::trim_if(str, boost::is_any_of("\\/"));
 262
 263                         replyString << L"\"" << str
 264                                                 << L"\" " << sizeWStr
 265                                                 << L" " << writeTimeWStr
 266                                                 << L"\r\n";
 267                 }
 268         }
 269         return replyString.str();
 270 }
 271
 272 namespace amcp {
 273
 274 void AMCPCommand::SendReply()
 275 {
 276         if(replyString_.empty())
 277                 return;
 278
 279         client_->send(std::move(replyString_));
 280 }
 281
 282 bool DiagnosticsCommand::DoExecute()
 283 {
 284         try
 285         {
 286                 core::diagnostics::osd::show_graphs(true);
 287
 288                 SetReplyString(L"202 DIAG OK\r\n");
 289
 290                 return true;
 291         }
 292         catch(...)
 293         {
 294                 CASPAR_LOG_CURRENT_EXCEPTION();
 295                 SetReplyString(L"502 DIAG FAILED\r\n");
 296                 return false;
 297         }
 298 }
 299
 300 bool ChannelGridCommand::DoExecute()
 301 {
 302         int index = 1;
 303         auto self = channels().back().channel;
 304
 305         core::diagnostics::scoped_call_context save;
 306         core::diagnostics::call_context::for_thread().video_channel = channels().size();
 307
 308         std::vector<std::wstring> params;
 309         params.push_back(L"SCREEN");
 310         params.push_back(L"0");
 311         params.push_back(L"NAME");
 312         params.push_back(L"Channel Grid Window");
 313         auto screen = create_consumer(params, &self->stage());
 314
 315         self->output().add(screen);
 316
 317         for (auto& channel : channels())
 318         {
 319                 if(channel.channel != self)
 320                 {
 321                         core::diagnostics::call_context::for_thread().layer = index;
 322                         auto producer = reroute::create_producer(*channel.channel);
 323                         self->stage().load(index, producer, false);
 324                         self->stage().play(index);
 325                         index++;
 326                 }
 327         }
 328
 329         int n = channels().size()-1;
 330         double delta = 1.0/static_cast<double>(n);
 331         for(int x = 0; x < n; ++x)
 332         {
 333                 for(int y = 0; y < n; ++y)
 334                 {
 335                         int index = x+y*n+1;
 336                         auto transform = [=](frame_transform transform) -> frame_transform
 337                         {
 338                                 transform.image_transform.fill_translation[0]   = x*delta;
 339                                 transform.image_transform.fill_translation[1]   = y*delta;
 340                                 transform.image_transform.fill_scale[0]                 = delta;
 341                                 transform.image_transform.fill_scale[1]                 = delta;
 342                                 transform.image_transform.clip_translation[0]   = x*delta;
 343                                 transform.image_transform.clip_translation[1]   = y*delta;
 344                                 transform.image_transform.clip_scale[0]                 = delta;
 345                                 transform.image_transform.clip_scale[1]                 = delta;
 346                                 return transform;
 347                         };
 348                         self->stage().apply_transform(index, transform);
 349                 }
 350         }
 351
 352         return true;
 353 }
 354
 355 bool CallCommand::DoExecute()
 356 {
 357         //Perform loading of the clip
 358         try
 359         {
 360                 auto result = channel()->stage().call(layer_index(), parameters());
 361
 362                 // TODO: because of std::async deferred timed waiting does not work
 363
 364                 /*auto wait_res = result.wait_for(std::chrono::seconds(2));
 365                 if (wait_res == std::future_status::timeout)
 366                         CASPAR_THROW_EXCEPTION(timed_out());*/
 367
 368                 std::wstringstream replyString;
 369                 if(result.get().empty())
 370                         replyString << L"202 CALL OK\r\n";
 371                 else
 372                         replyString << L"201 CALL OK\r\n" << result.get() << L"\r\n";
 373
 374                 SetReplyString(replyString.str());
 375
 376                 return true;
 377         }
 378         catch(...)
 379         {
 380                 CASPAR_LOG_CURRENT_EXCEPTION();
 381                 SetReplyString(L"502 CALL FAILED\r\n");
 382                 return false;
 383         }
 384 }
 385
 386 tbb::concurrent_unordered_map<int, std::vector<stage::transform_tuple_t>> deferred_transforms;
 387
 388 core::frame_transform MixerCommand::get_current_transform()
 389 {
 390         return channel()->stage().get_current_transform(layer_index()).get();
 391 }
 392
 393 bool MixerCommand::DoExecute()
 394 {
 395         //Perform loading of the clip
 396         try
 397         {
 398                 bool defer = boost::iequals(parameters().back(), L"DEFER");
 399                 if(defer)
 400                         parameters().pop_back();
 401
 402                 std::vector<stage::transform_tuple_t> transforms;
 403
 404                 if(boost::iequals(parameters()[0], L"KEYER") || boost::iequals(parameters()[0], L"IS_KEY"))
 405                 {
 406                         if (parameters().size() == 1)
 407                                 return reply_value([](const frame_transform& t) { return t.image_transform.is_key ? 1 : 0; });
 408
 409                         bool value = boost::lexical_cast<int>(parameters().at(1));
 410                         transforms.push_back(stage::transform_tuple_t(layer_index(), [=](frame_transform transform) -> frame_transform
 411                         {
 412                                 transform.image_transform.is_key = value;
 413                                 return transform;
 414                         }, 0, L"linear"));
 415                 }
 416                 else if(boost::iequals(parameters()[0], L"OPACITY"))
 417                 {
 418                         if (parameters().size() == 1)
 419                                 return reply_value([](const frame_transform& t) { return t.image_transform.opacity; });
 420
 421                         int duration = parameters().size() > 2 ? boost::lexical_cast<int>(parameters()[2]) : 0;
 422                         std::wstring tween = parameters().size() > 3 ? parameters()[3] : L"linear";
 423
 424                         double value = boost::lexical_cast<double>(parameters().at(1));
 425
 426                         transforms.push_back(stage::transform_tuple_t(layer_index(), [=](frame_transform transform) -> frame_transform
 427                         {
 428                                 transform.image_transform.opacity = value;
 429                                 return transform;
 430                         }, duration, tween));
 431                 }
 432                 else if (boost::iequals(parameters()[0], L"ANCHOR"))
 433                 {
 434                         if (parameters().size() == 1)
 435                         {
 436                                 auto transform = get_current_transform().image_transform;
 437                                 auto anchor = transform.anchor;
 438                                 SetReplyString(
 439                                                 L"201 MIXER OK\r\n"
 440                                                 + boost::lexical_cast<std::wstring>(anchor[0]) + L" "
 441                                                 + boost::lexical_cast<std::wstring>(anchor[1]) + L"\r\n");
 442                                 return true;
 443                         }
 444
 445                         int duration = parameters().size() > 3 ? boost::lexical_cast<int>(parameters()[3]) : 0;
 446                         std::wstring tween = parameters().size() > 4 ? parameters()[4] : L"linear";
 447                         double x = boost::lexical_cast<double>(parameters().at(1));
 448                         double y = boost::lexical_cast<double>(parameters().at(2));
 449
 450                         transforms.push_back(stage::transform_tuple_t(layer_index(), [=](frame_transform transform) mutable -> frame_transform
 451                         {
 452                                 transform.image_transform.anchor[0] = x;
 453                                 transform.image_transform.anchor[1] = y;
 454                                 return transform;
 455                         }, duration, tween));
 456                 }
 457                 else if (boost::iequals(parameters()[0], L"FILL") || boost::iequals(parameters()[0], L"FILL_RECT"))
 458                 {
 459                         if (parameters().size() == 1)
 460                         {
 461                                 auto transform = get_current_transform().image_transform;
 462                                 auto translation = transform.fill_translation;
 463                                 auto scale = transform.fill_scale;
 464                                 SetReplyString(
 465                                                 L"201 MIXER OK\r\n"
 466                                                 + boost::lexical_cast<std::wstring>(translation[0]) + L" "
 467                                                 + boost::lexical_cast<std::wstring>(translation[1]) + L" "
 468                                                 + boost::lexical_cast<std::wstring>(scale[0]) + L" "
 469                                                 + boost::lexical_cast<std::wstring>(scale[1]) + L"\r\n");
 470                                 return true;
 471                         }
 472
 473                         int duration = parameters().size() > 5 ? boost::lexical_cast<int>(parameters()[5]) : 0;
 474                         std::wstring tween = parameters().size() > 6 ? parameters()[6] : L"linear";
 475                         double x        = boost::lexical_cast<double>(parameters().at(1));
 476                         double y        = boost::lexical_cast<double>(parameters().at(2));
 477                         double x_s      = boost::lexical_cast<double>(parameters().at(3));
 478                         double y_s      = boost::lexical_cast<double>(parameters().at(4));
 479
 480                         transforms.push_back(stage::transform_tuple_t(layer_index(), [=](frame_transform transform) mutable -> frame_transform
 481                         {
 482                                 transform.image_transform.fill_translation[0]   = x;
 483                                 transform.image_transform.fill_translation[1]   = y;
 484                                 transform.image_transform.fill_scale[0]                 = x_s;
 485                                 transform.image_transform.fill_scale[1]                 = y_s;
 486                                 return transform;
 487                         }, duration, tween));
 488                 }
 489                 else if(boost::iequals(parameters()[0], L"CLIP") || boost::iequals(parameters()[0], L"CLIP_RECT"))
 490                 {
 491                         if (parameters().size() == 1)
 492                         {
 493                                 auto transform = get_current_transform().image_transform;
 494                                 auto translation = transform.clip_translation;
 495                                 auto scale = transform.clip_scale;
 496                                 SetReplyString(
 497                                                 L"201 MIXER OK\r\n"
 498                                                 + boost::lexical_cast<std::wstring>(translation[0]) + L" "
 499                                                 + boost::lexical_cast<std::wstring>(translation[1]) + L" "
 500                                                 + boost::lexical_cast<std::wstring>(scale[0]) + L" "
 501                                                 + boost::lexical_cast<std::wstring>(scale[1]) + L"\r\n");
 502                                 return true;
 503                         }
 504
 505                         int duration = parameters().size() > 5 ? boost::lexical_cast<int>(parameters()[5]) : 0;
 506                         std::wstring tween = parameters().size() > 6 ? parameters()[6] : L"linear";
 507                         double x        = boost::lexical_cast<double>(parameters().at(1));
 508                         double y        = boost::lexical_cast<double>(parameters().at(2));
 509                         double x_s      = boost::lexical_cast<double>(parameters().at(3));
 510                         double y_s      = boost::lexical_cast<double>(parameters().at(4));
 511
 512                         transforms.push_back(stage::transform_tuple_t(layer_index(), [=](frame_transform transform) -> frame_transform
 513                         {
 514                                 transform.image_transform.clip_translation[0]   = x;
 515                                 transform.image_transform.clip_translation[1]   = y;
 516                                 transform.image_transform.clip_scale[0]                 = x_s;
 517                                 transform.image_transform.clip_scale[1]                 = y_s;
 518                                 return transform;
 519                         }, duration, tween));
 520                 }
 521                 else if (boost::iequals(parameters()[0], L"CROP"))
 522                 {
 523                         if (parameters().size() == 1)
 524                         {
 525                                 auto crop = get_current_transform().image_transform.crop;
 526                                 SetReplyString(
 527                                         L"201 MIXER OK\r\n"
 528                                         + boost::lexical_cast<std::wstring>(crop.ul[0]) + L" "
 529                                         + boost::lexical_cast<std::wstring>(crop.ul[1]) + L" "
 530                                         + boost::lexical_cast<std::wstring>(crop.lr[0]) + L" "
 531                                         + boost::lexical_cast<std::wstring>(crop.lr[1]) + L"\r\n");
 532                                 return true;
 533                         }
 534
 535                         int duration = parameters().size() > 5 ? boost::lexical_cast<int>(parameters()[5]) : 0;
 536                         std::wstring tween = parameters().size() > 6 ? parameters()[6] : L"linear";
 537                         double ul_x = boost::lexical_cast<double>(parameters().at(1));
 538                         double ul_y = boost::lexical_cast<double>(parameters().at(2));
 539                         double lr_x = boost::lexical_cast<double>(parameters().at(3));
 540                         double lr_y = boost::lexical_cast<double>(parameters().at(4));
 541
 542                         transforms.push_back(stage::transform_tuple_t(layer_index(), [=](frame_transform transform) -> frame_transform
 543                         {
 544                                 transform.image_transform.crop.ul[0] = ul_x;
 545                                 transform.image_transform.crop.ul[1] = ul_y;
 546                                 transform.image_transform.crop.lr[0] = lr_x;
 547                                 transform.image_transform.crop.lr[1] = lr_y;
 548                                 return transform;
 549                         }, duration, tween));
 550                 }
 551                 else if (boost::iequals(parameters()[0], L"PERSPECTIVE"))
 552                 {
 553                         if (parameters().size() == 1)
 554                         {
 555                                 auto perspective = get_current_transform().image_transform.perspective;
 556                                 SetReplyString(
 557                                                 L"201 MIXER OK\r\n"
 558                                                 + boost::lexical_cast<std::wstring>(perspective.ul[0]) + L" "
 559                                                 + boost::lexical_cast<std::wstring>(perspective.ul[1]) + L" "
 560                                                 + boost::lexical_cast<std::wstring>(perspective.ur[0]) + L" "
 561                                                 + boost::lexical_cast<std::wstring>(perspective.ur[1]) + L" "
 562                                                 + boost::lexical_cast<std::wstring>(perspective.lr[0]) + L" "
 563                                                 + boost::lexical_cast<std::wstring>(perspective.lr[1]) + L" "
 564                                                 + boost::lexical_cast<std::wstring>(perspective.ll[0]) + L" "
 565                                                 + boost::lexical_cast<std::wstring>(perspective.ll[1]) + L"\r\n");
 566                                 return true;
 567                         }
 568
 569                         int duration = parameters().size() > 9 ? boost::lexical_cast<int>(parameters()[9]) : 0;
 570                         std::wstring tween = parameters().size() > 10 ? parameters()[10] : L"linear";
 571                         double ul_x = boost::lexical_cast<double>(parameters().at(1));
 572                         double ul_y = boost::lexical_cast<double>(parameters().at(2));
 573                         double ur_x = boost::lexical_cast<double>(parameters().at(3));
 574                         double ur_y = boost::lexical_cast<double>(parameters().at(4));
 575                         double lr_x = boost::lexical_cast<double>(parameters().at(5));
 576                         double lr_y = boost::lexical_cast<double>(parameters().at(6));
 577                         double ll_x = boost::lexical_cast<double>(parameters().at(7));
 578                         double ll_y = boost::lexical_cast<double>(parameters().at(8));
 579
 580                         transforms.push_back(stage::transform_tuple_t(layer_index(), [=](frame_transform transform) -> frame_transform
 581                         {
 582                                 transform.image_transform.perspective.ul[0] = ul_x;
 583                                 transform.image_transform.perspective.ul[1] = ul_y;
 584                                 transform.image_transform.perspective.ur[0] = ur_x;
 585                                 transform.image_transform.perspective.ur[1] = ur_y;
 586                                 transform.image_transform.perspective.lr[0] = lr_x;
 587                                 transform.image_transform.perspective.lr[1] = lr_y;
 588                                 transform.image_transform.perspective.ll[0] = ll_x;
 589                                 transform.image_transform.perspective.ll[1] = ll_y;
 590                                 return transform;
 591                         }, duration, tween));
 592                 }
 593                 else if (boost::iequals(parameters()[0], L"GRID"))
 594                 {
 595                         int duration = parameters().size() > 2 ? boost::lexical_cast<int>(parameters()[2]) : 0;
 596                         std::wstring tween = parameters().size() > 3 ? parameters()[3] : L"linear";
 597                         int n = boost::lexical_cast<int>(parameters().at(1));
 598                         double delta = 1.0/static_cast<double>(n);
 599                         for(int x = 0; x < n; ++x)
 600                         {
 601                                 for(int y = 0; y < n; ++y)
 602                                 {
 603                                         int index = x+y*n+1;
 604                                         transforms.push_back(stage::transform_tuple_t(index, [=](frame_transform transform) -> frame_transform
 605                                         {
 606                                                 transform.image_transform.fill_translation[0]   = x*delta;
 607                                                 transform.image_transform.fill_translation[1]   = y*delta;
 608                                                 transform.image_transform.fill_scale[0]                 = delta;
 609                                                 transform.image_transform.fill_scale[1]                 = delta;
 610                                                 transform.image_transform.clip_translation[0]   = x*delta;
 611                                                 transform.image_transform.clip_translation[1]   = y*delta;
 612                                                 transform.image_transform.clip_scale[0]                 = delta;
 613                                                 transform.image_transform.clip_scale[1]                 = delta;
 614                                                 return transform;
 615                                         }, duration, tween));
 616                                 }
 617                         }
 618                 }
 619                 else if (boost::iequals(parameters()[0], L"MIPMAP"))
 620                 {
 621                         if (parameters().size() == 1)
 622                                 return reply_value([](const frame_transform& t) { return t.image_transform.use_mipmap ? 1 : 0; });
 623
 624                         bool value = boost::lexical_cast<int>(parameters().at(1));
 625                         transforms.push_back(stage::transform_tuple_t(layer_index(), [=](frame_transform transform) -> frame_transform
 626                         {
 627                                 transform.image_transform.use_mipmap = value;
 628                                 return transform;
 629                         }, 0, L"linear"));
 630                 }
 631                 else if(boost::iequals(parameters()[0], L"BLEND"))
 632                 {
 633                         if (parameters().size() == 1)
 634                         {
 635                                 auto blend_mode = channel()->mixer().get_blend_mode(layer_index());
 636                                 SetReplyString(L"201 MIXER OK\r\n"
 637                                                 + boost::lexical_cast<std::wstring>(get_blend_mode(blend_mode))
 638                                                 + L"\r\n");
 639                                 return true;
 640                         }
 641
 642                         auto blend_str = parameters().at(1);
 643                         int layer = layer_index();
 644                         channel()->mixer().set_blend_mode(layer, get_blend_mode(blend_str));
 645                 }
 646                 else if(boost::iequals(parameters()[0], L"MASTERVOLUME"))
 647                 {
 648                         if (parameters().size() == 1)
 649                         {
 650                                 auto volume = channel()->mixer().get_master_volume();
 651                                 SetReplyString(L"201 MIXER OK\r\n"
 652                                                 + boost::lexical_cast<std::wstring>(volume)+L"\r\n");
 653                                 return true;
 654                         }
 655
 656                         float master_volume = boost::lexical_cast<float>(parameters().at(1));
 657                         channel()->mixer().set_master_volume(master_volume);
 658                 }
 659                 else if(boost::iequals(parameters()[0], L"BRIGHTNESS"))
 660                 {
 661                         if (parameters().size() == 1)
 662                                 return reply_value([](const frame_transform& t) { return t.image_transform.brightness; });
 663
 664                         auto value = boost::lexical_cast<double>(parameters().at(1));
 665                         int duration = parameters().size() > 2 ? boost::lexical_cast<int>(parameters()[2]) : 0;
 666                         std::wstring tween = parameters().size() > 3 ? parameters()[3] : L"linear";
 667                         transforms.push_back(stage::transform_tuple_t(layer_index(), [=](frame_transform transform) -> frame_transform
 668                         {
 669                                 transform.image_transform.brightness = value;
 670                                 return transform;
 671                         }, duration, tween));
 672                 }
 673                 else if(boost::iequals(parameters()[0], L"SATURATION"))
 674                 {
 675                         if (parameters().size() == 1)
 676                                 return reply_value([](const frame_transform& t) { return t.image_transform.saturation; });
 677
 678                         auto value = boost::lexical_cast<double>(parameters().at(1));
 679                         int duration = parameters().size() > 2 ? boost::lexical_cast<int>(parameters()[2]) : 0;
 680                         std::wstring tween = parameters().size() > 3 ? parameters()[3] : L"linear";
 681                         transforms.push_back(stage::transform_tuple_t(layer_index(), [=](frame_transform transform) -> frame_transform
 682                         {
 683                                 transform.image_transform.saturation = value;
 684                                 return transform;
 685                         }, duration, tween));
 686                 }
 687                 else if (boost::iequals(parameters()[0], L"CONTRAST"))
 688                 {
 689                         if (parameters().size() == 1)
 690                                 return reply_value([](const frame_transform& t) { return t.image_transform.contrast; });
 691
 692                         auto value = boost::lexical_cast<double>(parameters().at(1));
 693                         int duration = parameters().size() > 2 ? boost::lexical_cast<int>(parameters()[2]) : 0;
 694                         std::wstring tween = parameters().size() > 3 ? parameters()[3] : L"linear";
 695                         transforms.push_back(stage::transform_tuple_t(layer_index(), [=](frame_transform transform) -> frame_transform
 696                         {
 697                                 transform.image_transform.contrast = value;
 698                                 return transform;
 699                         }, duration, tween));
 700                 }
 701                 else if (boost::iequals(parameters()[0], L"ROTATION"))
 702                 {
 703                         static const double PI = 3.141592653589793;
 704
 705                         if (parameters().size() == 1)
 706                                 return reply_value([](const frame_transform& t) { return t.image_transform.angle / PI * 180.0; });
 707
 708                         auto value = boost::lexical_cast<double>(parameters().at(1)) * PI / 180.0;
 709                         int duration = parameters().size() > 2 ? boost::lexical_cast<int>(parameters()[2]) : 0;
 710                         std::wstring tween = parameters().size() > 3 ? parameters()[3] : L"linear";
 711                         transforms.push_back(stage::transform_tuple_t(layer_index(), [=](frame_transform transform) -> frame_transform
 712                         {
 713                                 transform.image_transform.angle = value;
 714                                 return transform;
 715                         }, duration, tween));
 716                 }
 717                 else if (boost::iequals(parameters()[0], L"LEVELS"))
 718                 {
 719                         if (parameters().size() == 1)
 720                         {
 721                                 auto levels = get_current_transform().image_transform.levels;
 722                                 SetReplyString(L"201 MIXER OK\r\n"
 723                                                 + boost::lexical_cast<std::wstring>(levels.min_input) + L" "
 724                                                 + boost::lexical_cast<std::wstring>(levels.max_input) + L" "
 725                                                 + boost::lexical_cast<std::wstring>(levels.gamma) + L" "
 726                                                 + boost::lexical_cast<std::wstring>(levels.min_output) + L" "
 727                                                 + boost::lexical_cast<std::wstring>(levels.max_output) + L"\r\n");
 728                                 return true;
 729                         }
 730
 731                         levels value;
 732                         value.min_input  = boost::lexical_cast<double>(parameters().at(1));
 733                         value.max_input  = boost::lexical_cast<double>(parameters().at(2));
 734                         value.gamma              = boost::lexical_cast<double>(parameters().at(3));
 735                         value.min_output = boost::lexical_cast<double>(parameters().at(4));
 736                         value.max_output = boost::lexical_cast<double>(parameters().at(5));
 737                         int duration = parameters().size() > 6 ? boost::lexical_cast<int>(parameters()[6]) : 0;
 738                         std::wstring tween = parameters().size() > 7 ? parameters()[7] : L"linear";
 739
 740                         transforms.push_back(stage::transform_tuple_t(layer_index(), [=](frame_transform transform) -> frame_transform
 741                         {
 742                                 transform.image_transform.levels = value;
 743                                 return transform;
 744                         }, duration, tween));
 745                 }
 746                 else if(boost::iequals(parameters()[0], L"VOLUME"))
 747                 {
 748                         if (parameters().size() == 1)
 749                                 return reply_value([](const frame_transform& t) { return t.audio_transform.volume; });
 750
 751                         int duration = parameters().size() > 2 ? boost::lexical_cast<int>(parameters()[2]) : 0;
 752                         std::wstring tween = parameters().size() > 3 ? parameters()[3] : L"linear";
 753                         double value = boost::lexical_cast<double>(parameters()[1]);
 754
 755                         transforms.push_back(stage::transform_tuple_t(layer_index(), [=](frame_transform transform) -> frame_transform
 756                         {
 757                                 transform.audio_transform.volume = value;
 758                                 return transform;
 759                         }, duration, tween));
 760                 }
 761                 else if(boost::iequals(parameters()[0], L"CLEAR"))
 762                 {
 763                         int layer = layer_index(std::numeric_limits<int>::max());
 764
 765                         if (layer == std::numeric_limits<int>::max())
 766                         {
 767                                 channel()->stage().clear_transforms();
 768                                 channel()->mixer().clear_blend_modes();
 769                         }
 770                         else
 771                         {
 772                                 channel()->stage().clear_transforms(layer);
 773                                 channel()->mixer().clear_blend_mode(layer);
 774                         }
 775                 }
 776                 else if(boost::iequals(parameters()[0], L"COMMIT"))
 777                 {
 778                         transforms = std::move(deferred_transforms[channel_index()]);
 779                 }
 780                 else
 781                 {
 782                         SetReplyString(L"404 MIXER ERROR\r\n");
 783                         return false;
 784                 }
 785
 786                 if(defer)
 787                 {
 788                         auto& defer_tranforms = deferred_transforms[channel_index()];
 789                         defer_tranforms.insert(defer_tranforms.end(), transforms.begin(), transforms.end());
 790                 }
 791                 else
 792                         channel()->stage().apply_transforms(transforms);
 793
 794                 SetReplyString(L"202 MIXER OK\r\n");
 795
 796                 return true;
 797         }
 798         catch(file_not_found&)
 799         {
 800                 CASPAR_LOG_CURRENT_EXCEPTION();
 801                 SetReplyString(L"404 MIXER ERROR\r\n");
 802                 return false;
 803         }
 804         catch(...)
 805         {
 806                 CASPAR_LOG_CURRENT_EXCEPTION();
 807                 SetReplyString(L"502 MIXER FAILED\r\n");
 808                 return false;
 809         }
 810 }
 811
 812 bool SwapCommand::DoExecute()
 813 {
 814         //Perform loading of the clip
 815         try
 816         {
 817                 if(layer_index(-1) != -1)
 818                 {
 819                         std::vector<std::string> strs;
 820                         boost::split(strs, parameters()[0], boost::is_any_of("-"));
 821
 822                         auto ch1 = channel();
 823                         auto ch2 = channels().at(boost::lexical_cast<int>(strs.at(0))-1);
 824
 825                         int l1 = layer_index();
 826                         int l2 = boost::lexical_cast<int>(strs.at(1));
 827
 828                         ch1->stage().swap_layer(l1, l2, ch2.channel->stage());
 829                 }
 830                 else
 831                 {
 832                         auto ch1 = channel();
 833                         auto ch2 = channels().at(boost::lexical_cast<int>(parameters()[0])-1);
 834                         ch1->stage().swap_layers(ch2.channel->stage());
 835                 }
 836
 837                 SetReplyString(L"202 SWAP OK\r\n");
 838
 839                 return true;
 840         }
 841         catch(file_not_found&)
 842         {
 843                 CASPAR_LOG_CURRENT_EXCEPTION();
 844                 SetReplyString(L"404 SWAP ERROR\r\n");
 845                 return false;
 846         }
 847         catch(...)
 848         {
 849                 CASPAR_LOG_CURRENT_EXCEPTION();
 850                 SetReplyString(L"502 SWAP FAILED\r\n");
 851                 return false;
 852         }
 853 }
 854
 855 bool AddCommand::DoExecute()
 856 {
 857         //Perform loading of the clip
 858         try
 859         {
 860                 //create_consumer still expects all parameters to be uppercase
 861                 for (auto& str : parameters())
 862                 {
 863                         boost::to_upper(str);
 864                 }
 865
 866                 core::diagnostics::scoped_call_context save;
 867                 core::diagnostics::call_context::for_thread().video_channel = channel_index() + 1;
 868
 869                 auto consumer = create_consumer(parameters(), &channel()->stage());
 870                 channel()->output().add(layer_index(consumer->index()), consumer);
 871
 872                 SetReplyString(L"202 ADD OK\r\n");
 873
 874                 return true;
 875         }
 876         catch(file_not_found&)
 877         {
 878                 CASPAR_LOG_CURRENT_EXCEPTION();
 879                 SetReplyString(L"404 ADD ERROR\r\n");
 880                 return false;
 881         }
 882         catch(...)
 883         {
 884                 CASPAR_LOG_CURRENT_EXCEPTION();
 885                 SetReplyString(L"502 ADD FAILED\r\n");
 886                 return false;
 887         }
 888 }
 889
 890 bool RemoveCommand::DoExecute()
 891 {
 892         //Perform loading of the clip
 893         try
 894         {
 895                 auto index = layer_index(std::numeric_limits<int>::min());
 896                 if(index == std::numeric_limits<int>::min())
 897                 {
 898                         //create_consumer still expects all parameters to be uppercase
 899                         for (auto& str : parameters())
 900                         {
 901                                 boost::to_upper(str);
 902                         }
 903
 904                         index = create_consumer(parameters(), &channel()->stage())->index();
 905                 }
 906
 907                 channel()->output().remove(index);
 908
 909                 SetReplyString(L"202 REMOVE OK\r\n");
 910
 911                 return true;
 912         }
 913         catch(file_not_found&)
 914         {
 915                 CASPAR_LOG_CURRENT_EXCEPTION();
 916                 SetReplyString(L"404 REMOVE ERROR\r\n");
 917                 return false;
 918         }
 919         catch(...)
 920         {
 921                 CASPAR_LOG_CURRENT_EXCEPTION();
 922                 SetReplyString(L"502 REMOVE FAILED\r\n");
 923                 return false;
 924         }
 925 }
 926
 927 bool LoadCommand::DoExecute()
 928 {
 929         //Perform loading of the clip
 930         try
 931         {
 932                 core::diagnostics::scoped_call_context save;
 933                 core::diagnostics::call_context::for_thread().video_channel = channel_index() + 1;
 934                 core::diagnostics::call_context::for_thread().layer = layer_index();
 935                 auto pFP = create_producer(channel()->frame_factory(), channel()->video_format_desc(), parameters());
 936                 channel()->stage().load(layer_index(), pFP, true);
 937
 938                 SetReplyString(L"202 LOAD OK\r\n");
 939
 940                 return true;
 941         }
 942         catch(file_not_found&)
 943         {
 944                 CASPAR_LOG_CURRENT_EXCEPTION();
 945                 SetReplyString(L"404 LOAD ERROR\r\n");
 946                 return false;
 947         }
 948         catch(...)
 949         {
 950                 CASPAR_LOG_CURRENT_EXCEPTION();
 951                 SetReplyString(L"502 LOAD FAILED\r\n");
 952                 return false;
 953         }
 954 }
 955
 956 bool LoadbgCommand::DoExecute()
 957 {
 958         transition_info transitionInfo;
 959
 960         // TRANSITION
 961
 962         std::wstring message;
 963         for(size_t n = 0; n < parameters().size(); ++n)
 964                 message += boost::to_upper_copy(parameters()[n]) + L" ";
 965
 966         static const boost::wregex expr(LR"(.*(?<TRANSITION>CUT|PUSH|SLIDE|WIPE|MIX)\s*(?<DURATION>\d+)\s*(?<TWEEN>(LINEAR)|(EASE[^\s]*))?\s*(?<DIRECTION>FROMLEFT|FROMRIGHT|LEFT|RIGHT)?.*)");
 967         boost::wsmatch what;
 968         if(boost::regex_match(message, what, expr))
 969         {
 970                 auto transition = what["TRANSITION"].str();
 971                 transitionInfo.duration = boost::lexical_cast<size_t>(what["DURATION"].str());
 972                 auto direction = what["DIRECTION"].matched ? what["DIRECTION"].str() : L"";
 973                 auto tween = what["TWEEN"].matched ? what["TWEEN"].str() : L"";
 974                 transitionInfo.tweener = tween;
 975
 976                 if(transition == L"CUT")
 977                         transitionInfo.type = transition_type::cut;
 978                 else if(transition == L"MIX")
 979                         transitionInfo.type = transition_type::mix;
 980                 else if(transition == L"PUSH")
 981                         transitionInfo.type = transition_type::push;
 982                 else if(transition == L"SLIDE")
 983                         transitionInfo.type = transition_type::slide;
 984                 else if(transition == L"WIPE")
 985                         transitionInfo.type = transition_type::wipe;
 986
 987                 if(direction == L"FROMLEFT")
 988                         transitionInfo.direction = transition_direction::from_left;
 989                 else if(direction == L"FROMRIGHT")
 990                         transitionInfo.direction = transition_direction::from_right;
 991                 else if(direction == L"LEFT")
 992                         transitionInfo.direction = transition_direction::from_right;
 993                 else if(direction == L"RIGHT")
 994                         transitionInfo.direction = transition_direction::from_left;
 995         }
 996
 997         //Perform loading of the clip
 998         try
 999         {
1000                 std::shared_ptr<core::frame_producer> pFP;
1001
1002                 static boost::wregex expr(LR"(\[(?<CHANNEL>\d+)\])", boost::regex::icase);
1003
1004                 core::diagnostics::scoped_call_context save;
1005                 core::diagnostics::call_context::for_thread().video_channel = channel_index() + 1;
1006                 core::diagnostics::call_context::for_thread().layer = layer_index();
1007
1008                 boost::wsmatch what;
1009                 if(boost::regex_match(parameters().at(0), what, expr))
1010                 {
1011                         auto channel_index = boost::lexical_cast<int>(what["CHANNEL"].str());
1012                         pFP = reroute::create_producer(*channels().at(channel_index-1).channel);
1013                 }
1014                 else
1015                 {
1016                         pFP = create_producer(channel()->frame_factory(), channel()->video_format_desc(), parameters());
1017                 }
1018
1019                 if(pFP == frame_producer::empty())
1020                         CASPAR_THROW_EXCEPTION(file_not_found() << msg_info(parameters().size() > 0 ? parameters()[0] : L""));
1021
1022                 bool auto_play = contains_param(L"AUTO", parameters());
1023
1024                 auto pFP2 = create_transition_producer(channel()->video_format_desc().field_mode, spl::make_shared_ptr(pFP), transitionInfo);
1025                 if(auto_play)
1026                         channel()->stage().load(layer_index(), pFP2, false, transitionInfo.duration); // TODO: LOOP
1027                 else
1028                         channel()->stage().load(layer_index(), pFP2, false); // TODO: LOOP
1029
1030
1031                 SetReplyString(L"202 LOADBG OK\r\n");
1032
1033                 return true;
1034         }
1035         catch(file_not_found&)
1036         {
1037                 CASPAR_LOG(error) << L"File not found. No match found for parameters. Check syntax.";
1038                 SetReplyString(L"404 LOADBG ERROR\r\n");
1039                 return false;
1040         }
1041         catch(...)
1042         {
1043                 CASPAR_LOG_CURRENT_EXCEPTION();
1044                 SetReplyString(L"502 LOADBG FAILED\r\n");
1045                 return false;
1046         }
1047 }
1048
1049 bool PauseCommand::DoExecute()
1050 {
1051         try
1052         {
1053                 channel()->stage().pause(layer_index());
1054                 SetReplyString(L"202 PAUSE OK\r\n");
1055                 return true;
1056         }
1057         catch(...)
1058         {
1059                 SetReplyString(L"501 PAUSE FAILED\r\n");
1060         }
1061
1062         return false;
1063 }
1064
1065 bool PlayCommand::DoExecute()
1066 {
1067         try
1068         {
1069                 if(!parameters().empty())
1070                 {
1071                         LoadbgCommand lbg(*this);
1072
1073                         if(!lbg.Execute())
1074                                 throw std::exception();
1075                 }
1076
1077                 channel()->stage().play(layer_index());
1078
1079                 SetReplyString(L"202 PLAY OK\r\n");
1080                 return true;
1081         }
1082         catch(...)
1083         {
1084                 SetReplyString(L"501 PLAY FAILED\r\n");
1085         }
1086
1087         return false;
1088 }
1089
1090 bool StopCommand::DoExecute()
1091 {
1092         try
1093         {
1094                 channel()->stage().stop(layer_index());
1095                 SetReplyString(L"202 STOP OK\r\n");
1096                 return true;
1097         }
1098         catch(...)
1099         {
1100                 SetReplyString(L"501 STOP FAILED\r\n");
1101         }
1102
1103         return false;
1104 }
1105
1106 bool ClearCommand::DoExecute()
1107 {
1108         int index = layer_index(std::numeric_limits<int>::min());
1109         if(index != std::numeric_limits<int>::min())
1110                 channel()->stage().clear(index);
1111         else
1112                 channel()->stage().clear();
1113
1114         SetReplyString(L"202 CLEAR OK\r\n");
1115
1116         return true;
1117 }
1118
1119 bool PrintCommand::DoExecute()
1120 {
1121         channel()->output().add(create_consumer({ L"IMAGE" }, &channel()->stage()));
1122
1123         SetReplyString(L"202 PRINT OK\r\n");
1124
1125         return true;
1126 }
1127
1128 bool LogCommand::DoExecute()
1129 {
1130         if(boost::iequals(parameters().at(0), L"LEVEL"))
1131                 log::set_log_level(parameters().at(1));
1132
1133         SetReplyString(L"202 LOG OK\r\n");
1134
1135         return true;
1136 }
1137
1138 bool CGCommand::DoExecute()
1139 {
1140         try
1141         {
1142                 std::wstring command = boost::to_upper_copy(parameters()[0]);
1143                 if(command == L"ADD")
1144                         return DoExecuteAdd();
1145                 else if(command == L"PLAY")
1146                         return DoExecutePlay();
1147                 else if(command == L"STOP")
1148                         return DoExecuteStop();
1149                 else if(command == L"NEXT")
1150                         return DoExecuteNext();
1151                 else if(command == L"REMOVE")
1152                         return DoExecuteRemove();
1153                 else if(command == L"CLEAR")
1154                         return DoExecuteClear();
1155                 else if(command == L"UPDATE")
1156                         return DoExecuteUpdate();
1157                 else if(command == L"INVOKE")
1158                         return DoExecuteInvoke();
1159                 else if(command == L"INFO")
1160                         return DoExecuteInfo();
1161         }
1162         catch(...)
1163         {
1164                 CASPAR_LOG_CURRENT_EXCEPTION();
1165         }
1166
1167         SetReplyString(L"403 CG ERROR\r\n");
1168         return false;
1169 }
1170
1171 bool CGCommand::ValidateLayer(const std::wstring& layerstring) {
1172         int length = layerstring.length();
1173         for(int i = 0; i < length; ++i) {
1174                 if(!std::isdigit(layerstring[i])) {
1175                         return false;
1176                 }
1177         }
1178
1179         return true;
1180 }
1181
1182 bool CGCommand::DoExecuteAdd() {
1183         //CG 1 ADD 0 "template_folder/templatename" [STARTLABEL] 0/1 [DATA]
1184
1185         int layer = 0;                          //_parameters[1]
1186 //      std::wstring templateName;      //_parameters[2]
1187         std::wstring label;             //_parameters[3]
1188         bool bDoStart = false;          //_parameters[3] alt. _parameters[4]
1189 //      std::wstring data;                      //_parameters[4] alt. _parameters[5]
1190
1191         if(parameters().size() < 4)
1192         {
1193                 SetReplyString(L"402 CG ERROR\r\n");
1194                 return false;
1195         }
1196         unsigned int dataIndex = 4;
1197
1198         if(!ValidateLayer(parameters()[1]))
1199         {
1200                 SetReplyString(L"403 CG ERROR\r\n");
1201                 return false;
1202         }
1203
1204         layer = boost::lexical_cast<int>(parameters()[1]);
1205
1206         if(parameters()[3].length() > 1)
1207         {       //read label
1208                 label = parameters()[3];
1209                 ++dataIndex;
1210
1211                 if(parameters().size() > 4 && parameters()[4].length() > 0)     //read play-on-load-flag
1212                         bDoStart = (parameters()[4][0]==L'1') ? true : false;
1213                 else
1214                 {
1215                         SetReplyString(L"402 CG ERROR\r\n");
1216                         return false;
1217                 }
1218         }
1219         else if(parameters()[3].length() > 0) { //read play-on-load-flag
1220                 bDoStart = (parameters()[3][0]==L'1') ? true : false;
1221         }
1222         else
1223         {
1224                 SetReplyString(L"403 CG ERROR\r\n");
1225                 return false;
1226         }
1227
1228         const wchar_t* pDataString = 0;
1229         std::wstring dataFromFile;
1230         if(parameters().size() > dataIndex)
1231         {       //read data
1232                 const std::wstring& dataString = parameters()[dataIndex];
1233
1234                 if (dataString.at(0) == L'<' || dataString.at(0) == L'{') //the data is XML or Json
1235                         pDataString = dataString.c_str();
1236                 else
1237                 {
1238                         //The data is not an XML-string, it must be a filename
1239                         std::wstring filename = env::data_folder();
1240                         filename.append(dataString);
1241                         filename.append(L".ftd");
1242
1243                         auto found_file = find_case_insensitive(filename);
1244
1245                         if (found_file)
1246                         {
1247                                 dataFromFile = read_file(boost::filesystem::path(*found_file));
1248                                 pDataString = dataFromFile.c_str();
1249                         }
1250                 }
1251         }
1252
1253         auto filename = parameters()[2];
1254         auto proxy = cg_registry_->get_or_create_proxy(channel(), layer_index(core::cg_proxy::DEFAULT_LAYER), filename);
1255
1256         if (proxy == core::cg_proxy::empty())
1257         {
1258                 CASPAR_LOG(warning) << "Could not find template " << parameters()[2];
1259                 SetReplyString(L"404 CG ERROR\r\n");
1260         }
1261         else
1262         {
1263                 proxy->add(layer, filename, bDoStart, label, (pDataString != 0) ? pDataString : L"");
1264         }
1265
1266         return true;
1267 }
1268
1269 bool CGCommand::DoExecutePlay()
1270 {
1271         if(parameters().size() > 1)
1272         {
1273                 if(!ValidateLayer(parameters()[1]))
1274                 {
1275                         SetReplyString(L"403 CG ERROR\r\n");
1276                         return false;
1277                 }
1278                 int layer = boost::lexical_cast<int>(parameters()[1]);
1279                 cg_registry_->get_proxy(channel(), layer_index(core::cg_proxy::DEFAULT_LAYER))->play(layer);
1280         }
1281         else
1282         {
1283                 SetReplyString(L"402 CG ERROR\r\n");
1284                 return true;
1285         }
1286
1287         SetReplyString(L"202 CG OK\r\n");
1288         return true;
1289 }
1290
1291 bool CGCommand::DoExecuteStop()
1292 {
1293         if(parameters().size() > 1)
1294         {
1295                 if(!ValidateLayer(parameters()[1]))
1296                 {
1297                         SetReplyString(L"403 CG ERROR\r\n");
1298                         return false;
1299                 }
1300                 int layer = boost::lexical_cast<int>(parameters()[1]);
1301                 cg_registry_->get_proxy(channel(), layer_index(core::cg_proxy::DEFAULT_LAYER))->stop(layer, 0);
1302         }
1303         else
1304         {
1305                 SetReplyString(L"402 CG ERROR\r\n");
1306                 return true;
1307         }
1308
1309         SetReplyString(L"202 CG OK\r\n");
1310         return true;
1311 }
1312
1313 bool CGCommand::DoExecuteNext()
1314 {
1315         if(parameters().size() > 1)
1316         {
1317                 if(!ValidateLayer(parameters()[1]))
1318                 {
1319                         SetReplyString(L"403 CG ERROR\r\n");
1320                         return false;
1321                 }
1322
1323                 int layer = boost::lexical_cast<int>(parameters()[1]);
1324                 cg_registry_->get_proxy(channel(), layer_index(core::cg_proxy::DEFAULT_LAYER))->next(layer);
1325         }
1326         else
1327         {
1328                 SetReplyString(L"402 CG ERROR\r\n");
1329                 return true;
1330         }
1331
1332         SetReplyString(L"202 CG OK\r\n");
1333         return true;
1334 }
1335
1336 bool CGCommand::DoExecuteRemove()
1337 {
1338         if(parameters().size() > 1)
1339         {
1340                 if(!ValidateLayer(parameters()[1]))
1341                 {
1342                         SetReplyString(L"403 CG ERROR\r\n");
1343                         return false;
1344                 }
1345
1346                 int layer = boost::lexical_cast<int>(parameters()[1]);
1347                 cg_registry_->get_proxy(channel(), layer_index(core::cg_proxy::DEFAULT_LAYER))->remove(layer);
1348         }
1349         else
1350         {
1351                 SetReplyString(L"402 CG ERROR\r\n");
1352                 return true;
1353         }
1354
1355         SetReplyString(L"202 CG OK\r\n");
1356         return true;
1357 }
1358
1359 bool CGCommand::DoExecuteClear()
1360 {
1361         channel()->stage().clear(layer_index(core::cg_proxy::DEFAULT_LAYER));
1362         SetReplyString(L"202 CG OK\r\n");
1363         return true;
1364 }
1365
1366 bool CGCommand::DoExecuteUpdate()
1367 {
1368         try
1369         {
1370                 if(!ValidateLayer(parameters().at(1)))
1371                 {
1372                         SetReplyString(L"403 CG ERROR\r\n");
1373                         return false;
1374                 }
1375
1376                 std::wstring dataString = parameters().at(2);
1377                 if (dataString.at(0) != L'<' && dataString.at(0) != L'{')
1378                 {
1379                         //The data is not XML or Json, it must be a filename
1380                         std::wstring filename = env::data_folder();
1381                         filename.append(dataString);
1382                         filename.append(L".ftd");
1383
1384                         dataString = read_file(boost::filesystem::path(filename));
1385                 }
1386
1387                 int layer = boost::lexical_cast<int>(parameters()[1]);
1388                 cg_registry_->get_proxy(channel(), layer_index(core::cg_proxy::DEFAULT_LAYER))->update(layer, dataString);
1389         }
1390         catch(...)
1391         {
1392                 SetReplyString(L"402 CG ERROR\r\n");
1393                 return true;
1394         }
1395
1396         SetReplyString(L"202 CG OK\r\n");
1397         return true;
1398 }
1399
1400 bool CGCommand::DoExecuteInvoke()
1401 {
1402         std::wstringstream replyString;
1403         replyString << L"201 CG OK\r\n";
1404
1405         if(parameters().size() > 2)
1406         {
1407                 if(!ValidateLayer(parameters()[1]))
1408                 {
1409                         SetReplyString(L"403 CG ERROR\r\n");
1410                         return false;
1411                 }
1412                 int layer = boost::lexical_cast<int>(parameters()[1]);
1413                 auto result = cg_registry_->get_proxy(channel(), layer_index(core::cg_proxy::DEFAULT_LAYER))->invoke(layer, parameters()[2]);
1414                 replyString << result << L"\r\n";
1415         }
1416         else
1417         {
1418                 SetReplyString(L"402 CG ERROR\r\n");
1419                 return true;
1420         }
1421
1422         SetReplyString(replyString.str());
1423         return true;
1424 }
1425
1426 bool CGCommand::DoExecuteInfo()
1427 {
1428         std::wstringstream replyString;
1429         replyString << L"201 CG OK\r\n";
1430
1431         if(parameters().size() > 1)
1432         {
1433                 if(!ValidateLayer(parameters()[1]))
1434                 {
1435                         SetReplyString(L"403 CG ERROR\r\n");
1436                         return false;
1437                 }
1438
1439                 int layer = boost::lexical_cast<int>(parameters()[1]);
1440                 auto desc = cg_registry_->get_proxy(channel(), layer_index(core::cg_proxy::DEFAULT_LAYER))->description(layer);
1441
1442                 replyString << desc << L"\r\n";
1443         }
1444         else
1445         {
1446                 auto info = cg_registry_->get_proxy(channel(), layer_index(core::cg_proxy::DEFAULT_LAYER))->template_host_info();
1447                 replyString << info << L"\r\n";
1448         }
1449
1450         SetReplyString(replyString.str());
1451         return true;
1452 }
1453
1454 bool DataCommand::DoExecute()
1455 {
1456         std::wstring command = boost::to_upper_copy(parameters()[0]);
1457         if(command == L"STORE")
1458                 return DoExecuteStore();
1459         else if(command == L"RETRIEVE")
1460                 return DoExecuteRetrieve();
1461         else if(command == L"REMOVE")
1462                 return DoExecuteRemove();
1463         else if(command == L"LIST")
1464                 return DoExecuteList();
1465
1466         SetReplyString(L"403 DATA ERROR\r\n");
1467         return false;
1468 }
1469
1470 bool DataCommand::DoExecuteStore()
1471 {
1472         if(parameters().size() < 3)
1473         {
1474                 SetReplyString(L"402 DATA STORE ERROR\r\n");
1475                 return false;
1476         }
1477
1478         std::wstring filename = env::data_folder();
1479         filename.append(parameters()[1]);
1480         filename.append(L".ftd");
1481
1482         auto data_path = boost::filesystem::path(filename).parent_path().wstring();
1483         auto found_data_path = find_case_insensitive(data_path);
1484
1485         if (found_data_path)
1486                 data_path = *found_data_path;
1487
1488         if(!boost::filesystem::exists(data_path))
1489                 boost::filesystem::create_directories(data_path);
1490
1491         auto found_filename = find_case_insensitive(filename);
1492
1493         if (found_filename)
1494                 filename = *found_filename; // Overwrite case insensitive.
1495
1496         boost::filesystem::wofstream datafile(filename);
1497         if(!datafile)
1498         {
1499                 SetReplyString(L"501 DATA STORE FAILED\r\n");
1500                 return false;
1501         }
1502
1503         datafile << static_cast<wchar_t>(65279); // UTF-8 BOM character
1504         datafile << parameters()[2] << std::flush;
1505         datafile.close();
1506
1507         std::wstring replyString = L"202 DATA STORE OK\r\n";
1508         SetReplyString(replyString);
1509         return true;
1510 }
1511
1512 bool DataCommand::DoExecuteRetrieve()
1513 {
1514         if(parameters().size() < 2)
1515         {
1516                 SetReplyString(L"402 DATA RETRIEVE ERROR\r\n");
1517                 return false;
1518         }
1519
1520         std::wstring filename = env::data_folder();
1521         filename.append(parameters()[1]);
1522         filename.append(L".ftd");
1523
1524         std::wstring file_contents;
1525
1526         auto found_file = find_case_insensitive(filename);
1527
1528         if (found_file)
1529                 file_contents = read_file(boost::filesystem::path(*found_file));
1530
1531         if (file_contents.empty())
1532         {
1533                 SetReplyString(L"404 DATA RETRIEVE ERROR\r\n");
1534                 return false;
1535         }
1536
1537         std::wstringstream reply(L"201 DATA RETRIEVE OK\r\n");
1538
1539         std::wstringstream file_contents_stream(file_contents);
1540         std::wstring line;
1541
1542         bool firstLine = true;
1543         while(std::getline(file_contents_stream, line))
1544         {
1545                 if(firstLine)
1546                         firstLine = false;
1547                 else
1548                         reply << "\n";
1549
1550                 reply << line;
1551         }
1552
1553         reply << "\r\n";
1554         SetReplyString(reply.str());
1555         return true;
1556 }
1557
1558 bool DataCommand::DoExecuteRemove()
1559 {
1560         if (parameters().size() < 2)
1561         {
1562                 SetReplyString(L"402 DATA REMOVE ERROR\r\n");
1563                 return false;
1564         }
1565
1566         std::wstring filename = env::data_folder();
1567         filename.append(parameters()[1]);
1568         filename.append(L".ftd");
1569
1570         if (!boost::filesystem::exists(filename))
1571         {
1572                 SetReplyString(L"404 DATA REMOVE ERROR\r\n");
1573                 return false;
1574         }
1575
1576         if (!boost::filesystem::remove(filename))
1577         {
1578                 SetReplyString(L"403 DATA REMOVE ERROR\r\n");
1579                 return false;
1580         }
1581
1582         SetReplyString(L"201 DATA REMOVE OK\r\n");
1583
1584         return true;
1585 }
1586
1587 bool DataCommand::DoExecuteList()
1588 {
1589         std::wstringstream replyString;
1590         replyString << L"200 DATA LIST OK\r\n";
1591
1592         for (boost::filesystem::recursive_directory_iterator itr(env::data_folder()), end; itr != end; ++itr)
1593         {
1594                 if(boost::filesystem::is_regular_file(itr->path()))
1595                 {
1596                         if(!boost::iequals(itr->path().extension().wstring(), L".ftd"))
1597                                 continue;
1598
1599                         auto relativePath = boost::filesystem::path(itr->path().wstring().substr(env::data_folder().size()-1, itr->path().wstring().size()));
1600
1601                         auto str = relativePath.replace_extension(L"").generic_wstring();
1602                         if(str[0] == L'\\' || str[0] == L'/')
1603                                 str = std::wstring(str.begin() + 1, str.end());
1604
1605                         replyString << str << L"\r\n";
1606                 }
1607         }
1608
1609         replyString << L"\r\n";
1610
1611         SetReplyString(boost::to_upper_copy(replyString.str()));
1612         return true;
1613 }
1614
1615 bool CinfCommand::DoExecute()
1616 {
1617         std::wstringstream replyString;
1618
1619         try
1620         {
1621                 std::wstring info;
1622                 for (boost::filesystem::recursive_directory_iterator itr(env::media_folder()), end; itr != end && info.empty(); ++itr)
1623                 {
1624                         auto path = itr->path();
1625                         auto file = path.replace_extension(L"").filename().wstring();
1626                         if(boost::iequals(file, parameters().at(0)))
1627                                 info += MediaInfo(itr->path(), system_info_repo_) + L"\r\n";
1628                 }
1629
1630                 if(info.empty())
1631                 {
1632                         SetReplyString(L"404 CINF ERROR\r\n");
1633                         return false;
1634                 }
1635                 replyString << L"200 CINF OK\r\n";
1636                 replyString << info << "\r\n";
1637         }
1638         catch(...)
1639         {
1640                 CASPAR_LOG_CURRENT_EXCEPTION();
1641                 SetReplyString(L"404 CINF ERROR\r\n");
1642                 return false;
1643         }
1644
1645         SetReplyString(replyString.str());
1646         return true;
1647 }
1648
1649 void GenerateChannelInfo(int index, const spl::shared_ptr<core::video_channel>& pChannel, std::wstringstream& replyString)
1650 {
1651         replyString << index+1 << L" " << pChannel->video_format_desc().name << L" PLAYING\r\n";
1652 }
1653
1654 bool InfoCommand::DoExecute()
1655 {
1656         std::wstringstream replyString;
1657
1658         boost::property_tree::xml_writer_settings<std::wstring> w(' ', 3);
1659
1660         try
1661         {
1662                 if(parameters().size() >= 1 && boost::iequals(parameters()[0], L"TEMPLATE"))
1663                 {
1664                         replyString << L"201 INFO TEMPLATE OK\r\n";
1665
1666                         auto filename = parameters().at(1);
1667
1668                         std::wstringstream str;
1669                         str << u16(cg_registry_->read_meta_info(filename));
1670                         boost::property_tree::wptree info;
1671                         boost::property_tree::xml_parser::read_xml(str, info, boost::property_tree::xml_parser::trim_whitespace | boost::property_tree::xml_parser::no_comments);
1672
1673                         boost::property_tree::xml_parser::write_xml(replyString, info, w);
1674                 }
1675                 else if(parameters().size() >= 1 && boost::iequals(parameters()[0], L"CONFIG"))
1676                 {
1677                         replyString << L"201 INFO CONFIG OK\r\n";
1678
1679                         boost::property_tree::write_xml(replyString, caspar::env::properties(), w);
1680                 }
1681                 else if(parameters().size() >= 1 && boost::iequals(parameters()[0], L"PATHS"))
1682                 {
1683                         replyString << L"201 INFO PATHS OK\r\n";
1684
1685                         boost::property_tree::wptree info;
1686                         info.add_child(L"paths", caspar::env::properties().get_child(L"configuration.paths"));
1687                         info.add(L"paths.initial-path", boost::filesystem::initial_path().wstring() + L"/");
1688
1689                         boost::property_tree::write_xml(replyString, info, w);
1690                 }
1691                 else if(parameters().size() >= 1 && boost::iequals(parameters()[0], L"SYSTEM"))
1692                 {
1693                         replyString << L"201 INFO SYSTEM OK\r\n";
1694
1695                         boost::property_tree::wptree info;
1696
1697                         info.add(L"system.name",                                        caspar::system_product_name());
1698                         info.add(L"system.os.description",                      caspar::os_description());
1699                         info.add(L"system.cpu",                                         caspar::cpu_info());
1700
1701                         system_info_repo_->fill_information(info);
1702
1703                         boost::property_tree::write_xml(replyString, info, w);
1704                 }
1705                 else if(parameters().size() >= 1 && boost::iequals(parameters()[0], L"SERVER"))
1706                 {
1707                         replyString << L"201 INFO SERVER OK\r\n";
1708
1709                         boost::property_tree::wptree info;
1710
1711                         int index = 0;
1712                         for (auto& channel : channels())
1713                                 info.add_child(L"channels.channel", channel.channel->info())
1714                                         .add(L"index", ++index);
1715
1716                         boost::property_tree::write_xml(replyString, info, w);
1717                 }
1718                 else // channel
1719                 {
1720                         if(parameters().size() >= 1)
1721                         {
1722                                 replyString << L"201 INFO OK\r\n";
1723                                 boost::property_tree::wptree info;
1724
1725                                 std::vector<std::wstring> split;
1726                                 boost::split(split, parameters()[0], boost::is_any_of("-"));
1727
1728                                 int layer = std::numeric_limits<int>::min();
1729                                 int channel = boost::lexical_cast<int>(split[0]) - 1;
1730
1731                                 if(split.size() > 1)
1732                                         layer = boost::lexical_cast<int>(split[1]);
1733
1734                                 if(layer == std::numeric_limits<int>::min())
1735                                 {
1736                                         info.add_child(L"channel", channels().at(channel).channel->info())
1737                                                         .add(L"index", channel);
1738                                 }
1739                                 else
1740                                 {
1741                                         if(parameters().size() >= 2)
1742                                         {
1743                                                 if(boost::iequals(parameters()[1], L"B"))
1744                                                         info.add_child(L"producer", channels().at(channel).channel->stage().background(layer).get()->info());
1745                                                 else
1746                                                         info.add_child(L"producer", channels().at(channel).channel->stage().foreground(layer).get()->info());
1747                                         }
1748                                         else
1749                                         {
1750                                                 info.add_child(L"layer", channels().at(channel).channel->stage().info(layer).get())
1751                                                         .add(L"index", layer);
1752                                         }
1753                                 }
1754                                 boost::property_tree::xml_parser::write_xml(replyString, info, w);
1755                         }
1756                         else
1757                         {
1758                                 // This is needed for backwards compatibility with old clients
1759                                 replyString << L"200 INFO OK\r\n";
1760                                 for(size_t n = 0; n < channels().size(); ++n)
1761                                         GenerateChannelInfo(n, channels()[n].channel, replyString);
1762                         }
1763
1764                 }
1765         }
1766         catch(...)
1767         {
1768                 CASPAR_LOG_CURRENT_EXCEPTION();
1769                 SetReplyString(L"403 INFO ERROR\r\n");
1770                 return false;
1771         }
1772
1773         replyString << L"\r\n";
1774         SetReplyString(replyString.str());
1775         return true;
1776 }
1777
1778 bool ClsCommand::DoExecute()
1779 {
1780         try
1781         {
1782                 std::wstringstream replyString;
1783                 replyString << L"200 CLS OK\r\n";
1784                 replyString << ListMedia(system_info_repo_);
1785                 replyString << L"\r\n";
1786                 SetReplyString(boost::to_upper_copy(replyString.str()));
1787         }
1788         catch(...)
1789         {
1790                 CASPAR_LOG_CURRENT_EXCEPTION();
1791                 SetReplyString(L"501 CLS FAILED\r\n");
1792                 return false;
1793         }
1794
1795         return true;
1796 }
1797
1798 bool TlsCommand::DoExecute()
1799 {
1800         try
1801         {
1802                 std::wstringstream replyString;
1803                 replyString << L"200 TLS OK\r\n";
1804
1805                 replyString << ListTemplates(cg_registry_);
1806                 replyString << L"\r\n";
1807
1808                 SetReplyString(replyString.str());
1809         }
1810         catch(...)
1811         {
1812                 CASPAR_LOG_CURRENT_EXCEPTION();
1813                 SetReplyString(L"501 TLS FAILED\r\n");
1814                 return false;
1815         }
1816         return true;
1817 }
1818
1819 bool VersionCommand::DoExecute()
1820 {
1821         std::wstring replyString = L"201 VERSION OK\r\n" + env::version() + L"\r\n";
1822
1823         if (parameters().size() > 0 && !boost::iequals(parameters()[0], L"SERVER"))
1824         {
1825                 auto version = system_info_repo_->get_version(parameters().at(0));
1826
1827                 if (version.empty())
1828                         replyString = L"403 VERSION ERROR\r\n";
1829                 else
1830                         replyString = L"201 VERSION OK\r\n" + version + L"\r\n";
1831         }
1832
1833         SetReplyString(replyString);
1834         return true;
1835 }
1836
1837 bool ByeCommand::DoExecute()
1838 {
1839         client()->disconnect();
1840         return true;
1841 }
1842
1843 bool SetCommand::DoExecute()
1844 {
1845         try
1846         {
1847                 std::wstring name = boost::to_upper_copy(parameters()[0]);
1848                 std::wstring value = boost::to_upper_copy(parameters()[1]);
1849
1850                 if(name == L"MODE")
1851                 {
1852                         auto format_desc = core::video_format_desc(value);
1853                         if(format_desc.format != core::video_format::invalid)
1854                         {
1855                                 channel()->video_format_desc(format_desc);
1856                                 SetReplyString(L"202 SET MODE OK\r\n");
1857                         }
1858                         else
1859                                 SetReplyString(L"501 SET MODE FAILED\r\n");
1860                 }
1861                 else
1862                 {
1863                         this->SetReplyString(L"403 SET ERROR\r\n");
1864                 }
1865         }
1866         catch(...)
1867         {
1868                 CASPAR_LOG_CURRENT_EXCEPTION();
1869                 SetReplyString(L"501 SET FAILED\r\n");
1870                 return false;
1871         }
1872
1873         return true;
1874 }
1875
1876 bool LockCommand::DoExecute()
1877 {
1878         try
1879         {
1880                 auto it = parameters().begin();
1881
1882                 std::shared_ptr<caspar::IO::lock_container> lock;
1883                 try
1884                 {
1885                         int channel_index = boost::lexical_cast<int>(*it) - 1;
1886                         lock = channels().at(channel_index).lock;
1887                 }
1888                 catch(const boost::bad_lexical_cast&) {}
1889                 catch(...)
1890                 {
1891                         SetReplyString(L"401 LOCK ERROR\r\n");
1892                         return false;
1893                 }
1894
1895                 if(lock)
1896                         ++it;
1897
1898                 if(it == parameters().end())    //too few parameters
1899                 {
1900                         SetReplyString(L"402 LOCK ERROR\r\n");
1901                         return false;
1902                 }
1903
1904                 std::wstring command = boost::to_upper_copy(*it);
1905                 if(command == L"ACQUIRE")
1906                 {
1907                         ++it;
1908                         if(it == parameters().end())    //too few parameters
1909                         {
1910                                 SetReplyString(L"402 LOCK ACQUIRE ERROR\r\n");
1911                                 return false;
1912                         }
1913                         std::wstring lock_phrase = (*it);
1914
1915                         //TODO: read options
1916
1917                         if(lock)
1918                         {
1919                                 //just lock one channel
1920                                 if(!lock->try_lock(lock_phrase, client()))
1921                                 {
1922                                         SetReplyString(L"503 LOCK ACQUIRE FAILED\r\n");
1923                                         return false;
1924                                 }
1925                         }
1926                         else
1927                         {
1928                                 //TODO: lock all channels
1929                                 CASPAR_THROW_EXCEPTION(not_implemented());
1930                         }
1931                         SetReplyString(L"202 LOCK ACQUIRE OK\r\n");
1932
1933                 }
1934                 else if(command == L"RELEASE")
1935                 {
1936                         if(lock)
1937                         {
1938                                 lock->release_lock(client());
1939                         }
1940                         else
1941                         {
1942                                 //TODO: release all channels
1943                                 CASPAR_THROW_EXCEPTION(not_implemented());
1944                         }
1945                         SetReplyString(L"202 LOCK RELEASE OK\r\n");
1946                 }
1947                 else if(command == L"CLEAR")
1948                 {
1949                         std::wstring override_phrase = env::properties().get(L"configuration.lock-clear-phrase", L"");
1950                         std::wstring client_override_phrase;
1951                         if(!override_phrase.empty())
1952                         {
1953                                 ++it;
1954                                 if(it == parameters().end())
1955                                 {
1956                                         SetReplyString(L"402 LOCK CLEAR ERROR\r\n");
1957                                         return false;
1958                                 }
1959                                 client_override_phrase = (*it);
1960                         }
1961
1962                         if(lock)
1963                         {
1964                                 //just clear one channel
1965                                 if(client_override_phrase != override_phrase)
1966                                 {
1967                                         SetReplyString(L"503 LOCK CLEAR FAILED\r\n");
1968                                         return false;
1969                                 }
1970
1971                                 lock->clear_locks();
1972                         }
1973                         else
1974                         {
1975                                 //TODO: clear all channels
1976                                 CASPAR_THROW_EXCEPTION(not_implemented());
1977                         }
1978
1979                         SetReplyString(L"202 LOCK CLEAR OK\r\n");
1980                 }
1981                 else
1982                 {
1983                         SetReplyString(L"403 LOCK ERROR\r\n");
1984                         return false;
1985                 }
1986         }
1987         catch(not_implemented&)
1988         {
1989                 SetReplyString(L"600 LOCK FAILED\r\n");
1990                 return false;
1991         }
1992         catch(...)
1993         {
1994                 CASPAR_LOG_CURRENT_EXCEPTION();
1995                 SetReplyString(L"501 LOCK FAILED\r\n");
1996                 return false;
1997         }
1998
1999         return true;
2000 }
2001
2002 bool ThumbnailCommand::DoExecute()
2003 {
2004         std::wstring command = boost::to_upper_copy(parameters()[0]);
2005
2006         if (command == L"RETRIEVE")
2007                 return DoExecuteRetrieve();
2008         else if (command == L"LIST")
2009                 return DoExecuteList();
2010         else if (command == L"GENERATE")
2011                 return DoExecuteGenerate();
2012         else if (command == L"GENERATE_ALL")
2013                 return DoExecuteGenerateAll();
2014
2015         SetReplyString(L"403 THUMBNAIL ERROR\r\n");
2016         return false;
2017 }
2018
2019 bool ThumbnailCommand::DoExecuteRetrieve()
2020 {
2021         if(parameters().size() < 2)
2022         {
2023                 SetReplyString(L"402 THUMBNAIL RETRIEVE ERROR\r\n");
2024                 return false;
2025         }
2026
2027         std::wstring filename = env::thumbnails_folder();
2028         filename.append(parameters()[1]);
2029         filename.append(L".png");
2030
2031         std::wstring file_contents;
2032
2033         auto found_file = find_case_insensitive(filename);
2034
2035         if (found_file)
2036                 file_contents = read_file_base64(boost::filesystem::path(*found_file));
2037
2038         if (file_contents.empty())
2039         {
2040                 SetReplyString(L"404 THUMBNAIL RETRIEVE ERROR\r\n");
2041                 return false;
2042         }
2043
2044         std::wstringstream reply;
2045
2046         reply << L"201 THUMBNAIL RETRIEVE OK\r\n";
2047         reply << file_contents;
2048         reply << L"\r\n";
2049         SetReplyString(reply.str());
2050         return true;
2051 }
2052
2053 bool ThumbnailCommand::DoExecuteList()
2054 {
2055         std::wstringstream replyString;
2056         replyString << L"200 THUMBNAIL LIST OK\r\n";
2057
2058         for (boost::filesystem::recursive_directory_iterator itr(env::thumbnails_folder()), end; itr != end; ++itr)
2059         {
2060                 if(boost::filesystem::is_regular_file(itr->path()))
2061                 {
2062                         if(!boost::iequals(itr->path().extension().wstring(), L".png"))
2063                                 continue;
2064
2065                         auto relativePath = boost::filesystem::path(itr->path().wstring().substr(env::thumbnails_folder().size()-1, itr->path().wstring().size()));
2066
2067                         auto str = relativePath.replace_extension(L"").generic_wstring();
2068                         if(str[0] == '\\' || str[0] == '/')
2069                                 str = std::wstring(str.begin() + 1, str.end());
2070
2071                         auto mtime = boost::filesystem::last_write_time(itr->path());
2072                         auto mtime_readable = boost::posix_time::to_iso_wstring(boost::posix_time::from_time_t(mtime));
2073                         auto file_size = boost::filesystem::file_size(itr->path());
2074
2075                         replyString << L"\"" << str << L"\" " << mtime_readable << L" " << file_size << L"\r\n";
2076                 }
2077         }
2078
2079         replyString << L"\r\n";
2080
2081         SetReplyString(boost::to_upper_copy(replyString.str()));
2082         return true;
2083 }
2084
2085 bool ThumbnailCommand::DoExecuteGenerate()
2086 {
2087         if (parameters().size() < 2)
2088         {
2089                 SetReplyString(L"402 THUMBNAIL GENERATE ERROR\r\n");
2090                 return false;
2091         }
2092
2093         if (thumb_gen_)
2094         {
2095                 thumb_gen_->generate(parameters()[1]);
2096                 SetReplyString(L"202 THUMBNAIL GENERATE OK\r\n");
2097                 return true;
2098         }
2099         else
2100         {
2101                 SetReplyString(L"500 THUMBNAIL GENERATE ERROR\r\n");
2102                 return false;
2103         }
2104 }
2105
2106 bool ThumbnailCommand::DoExecuteGenerateAll()
2107 {
2108         if (thumb_gen_)
2109         {
2110                 thumb_gen_->generate_all();
2111                 SetReplyString(L"202 THUMBNAIL GENERATE_ALL OK\r\n");
2112                 return true;
2113         }
2114         else
2115         {
2116                 SetReplyString(L"500 THUMBNAIL GENERATE_ALL ERROR\r\n");
2117                 return false;
2118         }
2119 }
2120
2121 bool KillCommand::DoExecute()
2122 {
2123         shutdown_server_now_->set_value(false); //false for not attempting to restart
2124         SetReplyString(L"202 KILL OK\r\n");
2125         return true;
2126 }
2127
2128 bool RestartCommand::DoExecute()
2129 {
2130         shutdown_server_now_->set_value(true);  //true for attempting to restart
2131         SetReplyString(L"202 RESTART OK\r\n");
2132         return true;
2133 }
2134
2135 }       //namespace amcp
2136 }}      //namespace caspar