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"BLEND"))
 620                 {
 621                         if (parameters().size() == 1)
 622                         {
 623                                 auto blend_mode = channel()->mixer().get_blend_mode(layer_index());
 624                                 SetReplyString(L"201 MIXER OK\r\n"
 625                                                 + boost::lexical_cast<std::wstring>(get_blend_mode(blend_mode))
 626                                                 + L"\r\n");
 627                                 return true;
 628                         }
 629
 630                         auto blend_str = parameters().at(1);
 631                         int layer = layer_index();
 632                         channel()->mixer().set_blend_mode(layer, get_blend_mode(blend_str));
 633                 }
 634                 else if(boost::iequals(parameters()[0], L"MASTERVOLUME"))
 635                 {
 636                         if (parameters().size() == 1)
 637                         {
 638                                 auto volume = channel()->mixer().get_master_volume();
 639                                 SetReplyString(L"201 MIXER OK\r\n"
 640                                                 + boost::lexical_cast<std::wstring>(volume)+L"\r\n");
 641                                 return true;
 642                         }
 643
 644                         float master_volume = boost::lexical_cast<float>(parameters().at(1));
 645                         channel()->mixer().set_master_volume(master_volume);
 646                 }
 647                 else if(boost::iequals(parameters()[0], L"BRIGHTNESS"))
 648                 {
 649                         if (parameters().size() == 1)
 650                                 return reply_value([](const frame_transform& t) { return t.image_transform.brightness; });
 651
 652                         auto value = boost::lexical_cast<double>(parameters().at(1));
 653                         int duration = parameters().size() > 2 ? boost::lexical_cast<int>(parameters()[2]) : 0;
 654                         std::wstring tween = parameters().size() > 3 ? parameters()[3] : L"linear";
 655                         transforms.push_back(stage::transform_tuple_t(layer_index(), [=](frame_transform transform) -> frame_transform
 656                         {
 657                                 transform.image_transform.brightness = value;
 658                                 return transform;
 659                         }, duration, tween));
 660                 }
 661                 else if(boost::iequals(parameters()[0], L"SATURATION"))
 662                 {
 663                         if (parameters().size() == 1)
 664                                 return reply_value([](const frame_transform& t) { return t.image_transform.saturation; });
 665
 666                         auto value = boost::lexical_cast<double>(parameters().at(1));
 667                         int duration = parameters().size() > 2 ? boost::lexical_cast<int>(parameters()[2]) : 0;
 668                         std::wstring tween = parameters().size() > 3 ? parameters()[3] : L"linear";
 669                         transforms.push_back(stage::transform_tuple_t(layer_index(), [=](frame_transform transform) -> frame_transform
 670                         {
 671                                 transform.image_transform.saturation = value;
 672                                 return transform;
 673                         }, duration, tween));
 674                 }
 675                 else if (boost::iequals(parameters()[0], L"CONTRAST"))
 676                 {
 677                         if (parameters().size() == 1)
 678                                 return reply_value([](const frame_transform& t) { return t.image_transform.contrast; });
 679
 680                         auto value = boost::lexical_cast<double>(parameters().at(1));
 681                         int duration = parameters().size() > 2 ? boost::lexical_cast<int>(parameters()[2]) : 0;
 682                         std::wstring tween = parameters().size() > 3 ? parameters()[3] : L"linear";
 683                         transforms.push_back(stage::transform_tuple_t(layer_index(), [=](frame_transform transform) -> frame_transform
 684                         {
 685                                 transform.image_transform.contrast = value;
 686                                 return transform;
 687                         }, duration, tween));
 688                 }
 689                 else if (boost::iequals(parameters()[0], L"ROTATION"))
 690                 {
 691                         static const double PI = 3.141592653589793;
 692
 693                         if (parameters().size() == 1)
 694                                 return reply_value([](const frame_transform& t) { return t.image_transform.angle / PI * 180.0; });
 695
 696                         auto value = boost::lexical_cast<double>(parameters().at(1)) * PI / 180.0;
 697                         int duration = parameters().size() > 2 ? boost::lexical_cast<int>(parameters()[2]) : 0;
 698                         std::wstring tween = parameters().size() > 3 ? parameters()[3] : L"linear";
 699                         transforms.push_back(stage::transform_tuple_t(layer_index(), [=](frame_transform transform) -> frame_transform
 700                         {
 701                                 transform.image_transform.angle = value;
 702                                 return transform;
 703                         }, duration, tween));
 704                 }
 705                 else if (boost::iequals(parameters()[0], L"LEVELS"))
 706                 {
 707                         if (parameters().size() == 1)
 708                         {
 709                                 auto levels = get_current_transform().image_transform.levels;
 710                                 SetReplyString(L"201 MIXER OK\r\n"
 711                                                 + boost::lexical_cast<std::wstring>(levels.min_input) + L" "
 712                                                 + boost::lexical_cast<std::wstring>(levels.max_input) + L" "
 713                                                 + boost::lexical_cast<std::wstring>(levels.gamma) + L" "
 714                                                 + boost::lexical_cast<std::wstring>(levels.min_output) + L" "
 715                                                 + boost::lexical_cast<std::wstring>(levels.max_output) + L"\r\n");
 716                                 return true;
 717                         }
 718
 719                         levels value;
 720                         value.min_input  = boost::lexical_cast<double>(parameters().at(1));
 721                         value.max_input  = boost::lexical_cast<double>(parameters().at(2));
 722                         value.gamma              = boost::lexical_cast<double>(parameters().at(3));
 723                         value.min_output = boost::lexical_cast<double>(parameters().at(4));
 724                         value.max_output = boost::lexical_cast<double>(parameters().at(5));
 725                         int duration = parameters().size() > 6 ? boost::lexical_cast<int>(parameters()[6]) : 0;
 726                         std::wstring tween = parameters().size() > 7 ? parameters()[7] : L"linear";
 727
 728                         transforms.push_back(stage::transform_tuple_t(layer_index(), [=](frame_transform transform) -> frame_transform
 729                         {
 730                                 transform.image_transform.levels = value;
 731                                 return transform;
 732                         }, duration, tween));
 733                 }
 734                 else if(boost::iequals(parameters()[0], L"VOLUME"))
 735                 {
 736                         if (parameters().size() == 1)
 737                                 return reply_value([](const frame_transform& t) { return t.audio_transform.volume; });
 738
 739                         int duration = parameters().size() > 2 ? boost::lexical_cast<int>(parameters()[2]) : 0;
 740                         std::wstring tween = parameters().size() > 3 ? parameters()[3] : L"linear";
 741                         double value = boost::lexical_cast<double>(parameters()[1]);
 742
 743                         transforms.push_back(stage::transform_tuple_t(layer_index(), [=](frame_transform transform) -> frame_transform
 744                         {
 745                                 transform.audio_transform.volume = value;
 746                                 return transform;
 747                         }, duration, tween));
 748                 }
 749                 else if(boost::iequals(parameters()[0], L"CLEAR"))
 750                 {
 751                         int layer = layer_index(std::numeric_limits<int>::max());
 752
 753                         if (layer == std::numeric_limits<int>::max())
 754                         {
 755                                 channel()->stage().clear_transforms();
 756                                 channel()->mixer().clear_blend_modes();
 757                         }
 758                         else
 759                         {
 760                                 channel()->stage().clear_transforms(layer);
 761                                 channel()->mixer().clear_blend_mode(layer);
 762                         }
 763                 }
 764                 else if(boost::iequals(parameters()[0], L"COMMIT"))
 765                 {
 766                         transforms = std::move(deferred_transforms[channel_index()]);
 767                 }
 768                 else
 769                 {
 770                         SetReplyString(L"404 MIXER ERROR\r\n");
 771                         return false;
 772                 }
 773
 774                 if(defer)
 775                 {
 776                         auto& defer_tranforms = deferred_transforms[channel_index()];
 777                         defer_tranforms.insert(defer_tranforms.end(), transforms.begin(), transforms.end());
 778                 }
 779                 else
 780                         channel()->stage().apply_transforms(transforms);
 781
 782                 SetReplyString(L"202 MIXER OK\r\n");
 783
 784                 return true;
 785         }
 786         catch(file_not_found&)
 787         {
 788                 CASPAR_LOG_CURRENT_EXCEPTION();
 789                 SetReplyString(L"404 MIXER ERROR\r\n");
 790                 return false;
 791         }
 792         catch(...)
 793         {
 794                 CASPAR_LOG_CURRENT_EXCEPTION();
 795                 SetReplyString(L"502 MIXER FAILED\r\n");
 796                 return false;
 797         }
 798 }
 799
 800 bool SwapCommand::DoExecute()
 801 {
 802         //Perform loading of the clip
 803         try
 804         {
 805                 if(layer_index(-1) != -1)
 806                 {
 807                         std::vector<std::string> strs;
 808                         boost::split(strs, parameters()[0], boost::is_any_of("-"));
 809
 810                         auto ch1 = channel();
 811                         auto ch2 = channels().at(boost::lexical_cast<int>(strs.at(0))-1);
 812
 813                         int l1 = layer_index();
 814                         int l2 = boost::lexical_cast<int>(strs.at(1));
 815
 816                         ch1->stage().swap_layer(l1, l2, ch2.channel->stage());
 817                 }
 818                 else
 819                 {
 820                         auto ch1 = channel();
 821                         auto ch2 = channels().at(boost::lexical_cast<int>(parameters()[0])-1);
 822                         ch1->stage().swap_layers(ch2.channel->stage());
 823                 }
 824
 825                 SetReplyString(L"202 SWAP OK\r\n");
 826
 827                 return true;
 828         }
 829         catch(file_not_found&)
 830         {
 831                 CASPAR_LOG_CURRENT_EXCEPTION();
 832                 SetReplyString(L"404 SWAP ERROR\r\n");
 833                 return false;
 834         }
 835         catch(...)
 836         {
 837                 CASPAR_LOG_CURRENT_EXCEPTION();
 838                 SetReplyString(L"502 SWAP FAILED\r\n");
 839                 return false;
 840         }
 841 }
 842
 843 bool AddCommand::DoExecute()
 844 {
 845         //Perform loading of the clip
 846         try
 847         {
 848                 //create_consumer still expects all parameters to be uppercase
 849                 for (auto& str : parameters())
 850                 {
 851                         boost::to_upper(str);
 852                 }
 853
 854                 core::diagnostics::scoped_call_context save;
 855                 core::diagnostics::call_context::for_thread().video_channel = channel_index() + 1;
 856
 857                 auto consumer = create_consumer(parameters(), &channel()->stage());
 858                 channel()->output().add(layer_index(consumer->index()), consumer);
 859
 860                 SetReplyString(L"202 ADD OK\r\n");
 861
 862                 return true;
 863         }
 864         catch(file_not_found&)
 865         {
 866                 CASPAR_LOG_CURRENT_EXCEPTION();
 867                 SetReplyString(L"404 ADD ERROR\r\n");
 868                 return false;
 869         }
 870         catch(...)
 871         {
 872                 CASPAR_LOG_CURRENT_EXCEPTION();
 873                 SetReplyString(L"502 ADD FAILED\r\n");
 874                 return false;
 875         }
 876 }
 877
 878 bool RemoveCommand::DoExecute()
 879 {
 880         //Perform loading of the clip
 881         try
 882         {
 883                 auto index = layer_index(std::numeric_limits<int>::min());
 884                 if(index == std::numeric_limits<int>::min())
 885                 {
 886                         //create_consumer still expects all parameters to be uppercase
 887                         for (auto& str : parameters())
 888                         {
 889                                 boost::to_upper(str);
 890                         }
 891
 892                         index = create_consumer(parameters(), &channel()->stage())->index();
 893                 }
 894
 895                 channel()->output().remove(index);
 896
 897                 SetReplyString(L"202 REMOVE OK\r\n");
 898
 899                 return true;
 900         }
 901         catch(file_not_found&)
 902         {
 903                 CASPAR_LOG_CURRENT_EXCEPTION();
 904                 SetReplyString(L"404 REMOVE ERROR\r\n");
 905                 return false;
 906         }
 907         catch(...)
 908         {
 909                 CASPAR_LOG_CURRENT_EXCEPTION();
 910                 SetReplyString(L"502 REMOVE FAILED\r\n");
 911                 return false;
 912         }
 913 }
 914
 915 bool LoadCommand::DoExecute()
 916 {
 917         //Perform loading of the clip
 918         try
 919         {
 920                 core::diagnostics::scoped_call_context save;
 921                 core::diagnostics::call_context::for_thread().video_channel = channel_index() + 1;
 922                 core::diagnostics::call_context::for_thread().layer = layer_index();
 923                 auto pFP = create_producer(channel()->frame_factory(), channel()->video_format_desc(), parameters());
 924                 channel()->stage().load(layer_index(), pFP, true);
 925
 926                 SetReplyString(L"202 LOAD OK\r\n");
 927
 928                 return true;
 929         }
 930         catch(file_not_found&)
 931         {
 932                 CASPAR_LOG_CURRENT_EXCEPTION();
 933                 SetReplyString(L"404 LOAD ERROR\r\n");
 934                 return false;
 935         }
 936         catch(...)
 937         {
 938                 CASPAR_LOG_CURRENT_EXCEPTION();
 939                 SetReplyString(L"502 LOAD FAILED\r\n");
 940                 return false;
 941         }
 942 }
 943
 944 bool LoadbgCommand::DoExecute()
 945 {
 946         transition_info transitionInfo;
 947
 948         // TRANSITION
 949
 950         std::wstring message;
 951         for(size_t n = 0; n < parameters().size(); ++n)
 952                 message += boost::to_upper_copy(parameters()[n]) + L" ";
 953
 954         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)?.*)");
 955         boost::wsmatch what;
 956         if(boost::regex_match(message, what, expr))
 957         {
 958                 auto transition = what["TRANSITION"].str();
 959                 transitionInfo.duration = boost::lexical_cast<size_t>(what["DURATION"].str());
 960                 auto direction = what["DIRECTION"].matched ? what["DIRECTION"].str() : L"";
 961                 auto tween = what["TWEEN"].matched ? what["TWEEN"].str() : L"";
 962                 transitionInfo.tweener = tween;
 963
 964                 if(transition == L"CUT")
 965                         transitionInfo.type = transition_type::cut;
 966                 else if(transition == L"MIX")
 967                         transitionInfo.type = transition_type::mix;
 968                 else if(transition == L"PUSH")
 969                         transitionInfo.type = transition_type::push;
 970                 else if(transition == L"SLIDE")
 971                         transitionInfo.type = transition_type::slide;
 972                 else if(transition == L"WIPE")
 973                         transitionInfo.type = transition_type::wipe;
 974
 975                 if(direction == L"FROMLEFT")
 976                         transitionInfo.direction = transition_direction::from_left;
 977                 else if(direction == L"FROMRIGHT")
 978                         transitionInfo.direction = transition_direction::from_right;
 979                 else if(direction == L"LEFT")
 980                         transitionInfo.direction = transition_direction::from_right;
 981                 else if(direction == L"RIGHT")
 982                         transitionInfo.direction = transition_direction::from_left;
 983         }
 984
 985         //Perform loading of the clip
 986         try
 987         {
 988                 std::shared_ptr<core::frame_producer> pFP;
 989
 990                 static boost::wregex expr(LR"(\[(?<CHANNEL>\d+)\])", boost::regex::icase);
 991
 992                 core::diagnostics::scoped_call_context save;
 993                 core::diagnostics::call_context::for_thread().video_channel = channel_index() + 1;
 994                 core::diagnostics::call_context::for_thread().layer = layer_index();
 995
 996                 boost::wsmatch what;
 997                 if(boost::regex_match(parameters().at(0), what, expr))
 998                 {
 999                         auto channel_index = boost::lexical_cast<int>(what["CHANNEL"].str());
1000                         pFP = reroute::create_producer(*channels().at(channel_index-1).channel);
1001                 }
1002                 else
1003                 {
1004                         pFP = create_producer(channel()->frame_factory(), channel()->video_format_desc(), parameters());
1005                 }
1006
1007                 if(pFP == frame_producer::empty())
1008                         CASPAR_THROW_EXCEPTION(file_not_found() << msg_info(parameters().size() > 0 ? parameters()[0] : L""));
1009
1010                 bool auto_play = contains_param(L"AUTO", parameters());
1011
1012                 auto pFP2 = create_transition_producer(channel()->video_format_desc().field_mode, spl::make_shared_ptr(pFP), transitionInfo);
1013                 if(auto_play)
1014                         channel()->stage().load(layer_index(), pFP2, false, transitionInfo.duration); // TODO: LOOP
1015                 else
1016                         channel()->stage().load(layer_index(), pFP2, false); // TODO: LOOP
1017
1018
1019                 SetReplyString(L"202 LOADBG OK\r\n");
1020
1021                 return true;
1022         }
1023         catch(file_not_found&)
1024         {
1025                 CASPAR_LOG(error) << L"File not found. No match found for parameters. Check syntax.";
1026                 SetReplyString(L"404 LOADBG ERROR\r\n");
1027                 return false;
1028         }
1029         catch(...)
1030         {
1031                 CASPAR_LOG_CURRENT_EXCEPTION();
1032                 SetReplyString(L"502 LOADBG FAILED\r\n");
1033                 return false;
1034         }
1035 }
1036
1037 bool PauseCommand::DoExecute()
1038 {
1039         try
1040         {
1041                 channel()->stage().pause(layer_index());
1042                 SetReplyString(L"202 PAUSE OK\r\n");
1043                 return true;
1044         }
1045         catch(...)
1046         {
1047                 SetReplyString(L"501 PAUSE FAILED\r\n");
1048         }
1049
1050         return false;
1051 }
1052
1053 bool PlayCommand::DoExecute()
1054 {
1055         try
1056         {
1057                 if(!parameters().empty())
1058                 {
1059                         LoadbgCommand lbg(*this);
1060
1061                         if(!lbg.Execute())
1062                                 throw std::exception();
1063                 }
1064
1065                 channel()->stage().play(layer_index());
1066
1067                 SetReplyString(L"202 PLAY OK\r\n");
1068                 return true;
1069         }
1070         catch(...)
1071         {
1072                 SetReplyString(L"501 PLAY FAILED\r\n");
1073         }
1074
1075         return false;
1076 }
1077
1078 bool StopCommand::DoExecute()
1079 {
1080         try
1081         {
1082                 channel()->stage().stop(layer_index());
1083                 SetReplyString(L"202 STOP OK\r\n");
1084                 return true;
1085         }
1086         catch(...)
1087         {
1088                 SetReplyString(L"501 STOP FAILED\r\n");
1089         }
1090
1091         return false;
1092 }
1093
1094 bool ClearCommand::DoExecute()
1095 {
1096         int index = layer_index(std::numeric_limits<int>::min());
1097         if(index != std::numeric_limits<int>::min())
1098                 channel()->stage().clear(index);
1099         else
1100                 channel()->stage().clear();
1101
1102         SetReplyString(L"202 CLEAR OK\r\n");
1103
1104         return true;
1105 }
1106
1107 bool PrintCommand::DoExecute()
1108 {
1109         channel()->output().add(create_consumer({ L"IMAGE" }, &channel()->stage()));
1110
1111         SetReplyString(L"202 PRINT OK\r\n");
1112
1113         return true;
1114 }
1115
1116 bool LogCommand::DoExecute()
1117 {
1118         if(boost::iequals(parameters().at(0), L"LEVEL"))
1119                 log::set_log_level(parameters().at(1));
1120
1121         SetReplyString(L"202 LOG OK\r\n");
1122
1123         return true;
1124 }
1125
1126 bool CGCommand::DoExecute()
1127 {
1128         try
1129         {
1130                 std::wstring command = boost::to_upper_copy(parameters()[0]);
1131                 if(command == L"ADD")
1132                         return DoExecuteAdd();
1133                 else if(command == L"PLAY")
1134                         return DoExecutePlay();
1135                 else if(command == L"STOP")
1136                         return DoExecuteStop();
1137                 else if(command == L"NEXT")
1138                         return DoExecuteNext();
1139                 else if(command == L"REMOVE")
1140                         return DoExecuteRemove();
1141                 else if(command == L"CLEAR")
1142                         return DoExecuteClear();
1143                 else if(command == L"UPDATE")
1144                         return DoExecuteUpdate();
1145                 else if(command == L"INVOKE")
1146                         return DoExecuteInvoke();
1147                 else if(command == L"INFO")
1148                         return DoExecuteInfo();
1149         }
1150         catch(...)
1151         {
1152                 CASPAR_LOG_CURRENT_EXCEPTION();
1153         }
1154
1155         SetReplyString(L"403 CG ERROR\r\n");
1156         return false;
1157 }
1158
1159 bool CGCommand::ValidateLayer(const std::wstring& layerstring) {
1160         int length = layerstring.length();
1161         for(int i = 0; i < length; ++i) {
1162                 if(!std::isdigit(layerstring[i])) {
1163                         return false;
1164                 }
1165         }
1166
1167         return true;
1168 }
1169
1170 bool CGCommand::DoExecuteAdd() {
1171         //CG 1 ADD 0 "template_folder/templatename" [STARTLABEL] 0/1 [DATA]
1172
1173         int layer = 0;                          //_parameters[1]
1174 //      std::wstring templateName;      //_parameters[2]
1175         std::wstring label;             //_parameters[3]
1176         bool bDoStart = false;          //_parameters[3] alt. _parameters[4]
1177 //      std::wstring data;                      //_parameters[4] alt. _parameters[5]
1178
1179         if(parameters().size() < 4)
1180         {
1181                 SetReplyString(L"402 CG ERROR\r\n");
1182                 return false;
1183         }
1184         unsigned int dataIndex = 4;
1185
1186         if(!ValidateLayer(parameters()[1]))
1187         {
1188                 SetReplyString(L"403 CG ERROR\r\n");
1189                 return false;
1190         }
1191
1192         layer = boost::lexical_cast<int>(parameters()[1]);
1193
1194         if(parameters()[3].length() > 1)
1195         {       //read label
1196                 label = parameters()[3];
1197                 ++dataIndex;
1198
1199                 if(parameters().size() > 4 && parameters()[4].length() > 0)     //read play-on-load-flag
1200                         bDoStart = (parameters()[4][0]==L'1') ? true : false;
1201                 else
1202                 {
1203                         SetReplyString(L"402 CG ERROR\r\n");
1204                         return false;
1205                 }
1206         }
1207         else if(parameters()[3].length() > 0) { //read play-on-load-flag
1208                 bDoStart = (parameters()[3][0]==L'1') ? true : false;
1209         }
1210         else
1211         {
1212                 SetReplyString(L"403 CG ERROR\r\n");
1213                 return false;
1214         }
1215
1216         const wchar_t* pDataString = 0;
1217         std::wstring dataFromFile;
1218         if(parameters().size() > dataIndex)
1219         {       //read data
1220                 const std::wstring& dataString = parameters()[dataIndex];
1221
1222                 if (dataString.at(0) == L'<' || dataString.at(0) == L'{') //the data is XML or Json
1223                         pDataString = dataString.c_str();
1224                 else
1225                 {
1226                         //The data is not an XML-string, it must be a filename
1227                         std::wstring filename = env::data_folder();
1228                         filename.append(dataString);
1229                         filename.append(L".ftd");
1230
1231                         auto found_file = find_case_insensitive(filename);
1232
1233                         if (found_file)
1234                         {
1235                                 dataFromFile = read_file(boost::filesystem::path(*found_file));
1236                                 pDataString = dataFromFile.c_str();
1237                         }
1238                 }
1239         }
1240
1241         auto filename = parameters()[2];
1242         auto proxy = cg_registry_->get_or_create_proxy(channel(), layer_index(core::cg_proxy::DEFAULT_LAYER), filename);
1243
1244         if (proxy == core::cg_proxy::empty())
1245         {
1246                 CASPAR_LOG(warning) << "Could not find template " << parameters()[2];
1247                 SetReplyString(L"404 CG ERROR\r\n");
1248         }
1249         else
1250         {
1251                 proxy->add(layer, filename, bDoStart, label, (pDataString != 0) ? pDataString : L"");
1252         }
1253
1254         return true;
1255 }
1256
1257 bool CGCommand::DoExecutePlay()
1258 {
1259         if(parameters().size() > 1)
1260         {
1261                 if(!ValidateLayer(parameters()[1]))
1262                 {
1263                         SetReplyString(L"403 CG ERROR\r\n");
1264                         return false;
1265                 }
1266                 int layer = boost::lexical_cast<int>(parameters()[1]);
1267                 cg_registry_->get_proxy(channel(), layer_index(core::cg_proxy::DEFAULT_LAYER))->play(layer);
1268         }
1269         else
1270         {
1271                 SetReplyString(L"402 CG ERROR\r\n");
1272                 return true;
1273         }
1274
1275         SetReplyString(L"202 CG OK\r\n");
1276         return true;
1277 }
1278
1279 bool CGCommand::DoExecuteStop()
1280 {
1281         if(parameters().size() > 1)
1282         {
1283                 if(!ValidateLayer(parameters()[1]))
1284                 {
1285                         SetReplyString(L"403 CG ERROR\r\n");
1286                         return false;
1287                 }
1288                 int layer = boost::lexical_cast<int>(parameters()[1]);
1289                 cg_registry_->get_proxy(channel(), layer_index(core::cg_proxy::DEFAULT_LAYER))->stop(layer, 0);
1290         }
1291         else
1292         {
1293                 SetReplyString(L"402 CG ERROR\r\n");
1294                 return true;
1295         }
1296
1297         SetReplyString(L"202 CG OK\r\n");
1298         return true;
1299 }
1300
1301 bool CGCommand::DoExecuteNext()
1302 {
1303         if(parameters().size() > 1)
1304         {
1305                 if(!ValidateLayer(parameters()[1]))
1306                 {
1307                         SetReplyString(L"403 CG ERROR\r\n");
1308                         return false;
1309                 }
1310
1311                 int layer = boost::lexical_cast<int>(parameters()[1]);
1312                 cg_registry_->get_proxy(channel(), layer_index(core::cg_proxy::DEFAULT_LAYER))->next(layer);
1313         }
1314         else
1315         {
1316                 SetReplyString(L"402 CG ERROR\r\n");
1317                 return true;
1318         }
1319
1320         SetReplyString(L"202 CG OK\r\n");
1321         return true;
1322 }
1323
1324 bool CGCommand::DoExecuteRemove()
1325 {
1326         if(parameters().size() > 1)
1327         {
1328                 if(!ValidateLayer(parameters()[1]))
1329                 {
1330                         SetReplyString(L"403 CG ERROR\r\n");
1331                         return false;
1332                 }
1333
1334                 int layer = boost::lexical_cast<int>(parameters()[1]);
1335                 cg_registry_->get_proxy(channel(), layer_index(core::cg_proxy::DEFAULT_LAYER))->remove(layer);
1336         }
1337         else
1338         {
1339                 SetReplyString(L"402 CG ERROR\r\n");
1340                 return true;
1341         }
1342
1343         SetReplyString(L"202 CG OK\r\n");
1344         return true;
1345 }
1346
1347 bool CGCommand::DoExecuteClear()
1348 {
1349         channel()->stage().clear(layer_index(core::cg_proxy::DEFAULT_LAYER));
1350         SetReplyString(L"202 CG OK\r\n");
1351         return true;
1352 }
1353
1354 bool CGCommand::DoExecuteUpdate()
1355 {
1356         try
1357         {
1358                 if(!ValidateLayer(parameters().at(1)))
1359                 {
1360                         SetReplyString(L"403 CG ERROR\r\n");
1361                         return false;
1362                 }
1363
1364                 std::wstring dataString = parameters().at(2);
1365                 if (dataString.at(0) != L'<' && dataString.at(0) != L'{')
1366                 {
1367                         //The data is not XML or Json, it must be a filename
1368                         std::wstring filename = env::data_folder();
1369                         filename.append(dataString);
1370                         filename.append(L".ftd");
1371
1372                         dataString = read_file(boost::filesystem::path(filename));
1373                 }
1374
1375                 int layer = boost::lexical_cast<int>(parameters()[1]);
1376                 cg_registry_->get_proxy(channel(), layer_index(core::cg_proxy::DEFAULT_LAYER))->update(layer, dataString);
1377         }
1378         catch(...)
1379         {
1380                 SetReplyString(L"402 CG ERROR\r\n");
1381                 return true;
1382         }
1383
1384         SetReplyString(L"202 CG OK\r\n");
1385         return true;
1386 }
1387
1388 bool CGCommand::DoExecuteInvoke()
1389 {
1390         std::wstringstream replyString;
1391         replyString << L"201 CG OK\r\n";
1392
1393         if(parameters().size() > 2)
1394         {
1395                 if(!ValidateLayer(parameters()[1]))
1396                 {
1397                         SetReplyString(L"403 CG ERROR\r\n");
1398                         return false;
1399                 }
1400                 int layer = boost::lexical_cast<int>(parameters()[1]);
1401                 auto result = cg_registry_->get_proxy(channel(), layer_index(core::cg_proxy::DEFAULT_LAYER))->invoke(layer, parameters()[2]);
1402                 replyString << result << L"\r\n";
1403         }
1404         else
1405         {
1406                 SetReplyString(L"402 CG ERROR\r\n");
1407                 return true;
1408         }
1409
1410         SetReplyString(replyString.str());
1411         return true;
1412 }
1413
1414 bool CGCommand::DoExecuteInfo()
1415 {
1416         std::wstringstream replyString;
1417         replyString << L"201 CG OK\r\n";
1418
1419         if(parameters().size() > 1)
1420         {
1421                 if(!ValidateLayer(parameters()[1]))
1422                 {
1423                         SetReplyString(L"403 CG ERROR\r\n");
1424                         return false;
1425                 }
1426
1427                 int layer = boost::lexical_cast<int>(parameters()[1]);
1428                 auto desc = cg_registry_->get_proxy(channel(), layer_index(core::cg_proxy::DEFAULT_LAYER))->description(layer);
1429
1430                 replyString << desc << L"\r\n";
1431         }
1432         else
1433         {
1434                 auto info = cg_registry_->get_proxy(channel(), layer_index(core::cg_proxy::DEFAULT_LAYER))->template_host_info();
1435                 replyString << info << L"\r\n";
1436         }
1437
1438         SetReplyString(replyString.str());
1439         return true;
1440 }
1441
1442 bool DataCommand::DoExecute()
1443 {
1444         std::wstring command = boost::to_upper_copy(parameters()[0]);
1445         if(command == L"STORE")
1446                 return DoExecuteStore();
1447         else if(command == L"RETRIEVE")
1448                 return DoExecuteRetrieve();
1449         else if(command == L"REMOVE")
1450                 return DoExecuteRemove();
1451         else if(command == L"LIST")
1452                 return DoExecuteList();
1453
1454         SetReplyString(L"403 DATA ERROR\r\n");
1455         return false;
1456 }
1457
1458 bool DataCommand::DoExecuteStore()
1459 {
1460         if(parameters().size() < 3)
1461         {
1462                 SetReplyString(L"402 DATA STORE ERROR\r\n");
1463                 return false;
1464         }
1465
1466         std::wstring filename = env::data_folder();
1467         filename.append(parameters()[1]);
1468         filename.append(L".ftd");
1469
1470         auto data_path = boost::filesystem::path(filename).parent_path().wstring();
1471         auto found_data_path = find_case_insensitive(data_path);
1472
1473         if (found_data_path)
1474                 data_path = *found_data_path;
1475
1476         if(!boost::filesystem::exists(data_path))
1477                 boost::filesystem::create_directories(data_path);
1478
1479         auto found_filename = find_case_insensitive(filename);
1480
1481         if (found_filename)
1482                 filename = *found_filename; // Overwrite case insensitive.
1483
1484         boost::filesystem::wofstream datafile(filename);
1485         if(!datafile)
1486         {
1487                 SetReplyString(L"501 DATA STORE FAILED\r\n");
1488                 return false;
1489         }
1490
1491         datafile << static_cast<wchar_t>(65279); // UTF-8 BOM character
1492         datafile << parameters()[2] << std::flush;
1493         datafile.close();
1494
1495         std::wstring replyString = L"202 DATA STORE OK\r\n";
1496         SetReplyString(replyString);
1497         return true;
1498 }
1499
1500 bool DataCommand::DoExecuteRetrieve()
1501 {
1502         if(parameters().size() < 2)
1503         {
1504                 SetReplyString(L"402 DATA RETRIEVE ERROR\r\n");
1505                 return false;
1506         }
1507
1508         std::wstring filename = env::data_folder();
1509         filename.append(parameters()[1]);
1510         filename.append(L".ftd");
1511
1512         std::wstring file_contents;
1513
1514         auto found_file = find_case_insensitive(filename);
1515
1516         if (found_file)
1517                 file_contents = read_file(boost::filesystem::path(*found_file));
1518
1519         if (file_contents.empty())
1520         {
1521                 SetReplyString(L"404 DATA RETRIEVE ERROR\r\n");
1522                 return false;
1523         }
1524
1525         std::wstringstream reply(L"201 DATA RETRIEVE OK\r\n");
1526
1527         std::wstringstream file_contents_stream(file_contents);
1528         std::wstring line;
1529
1530         bool firstLine = true;
1531         while(std::getline(file_contents_stream, line))
1532         {
1533                 if(firstLine)
1534                         firstLine = false;
1535                 else
1536                         reply << "\n";
1537
1538                 reply << line;
1539         }
1540
1541         reply << "\r\n";
1542         SetReplyString(reply.str());
1543         return true;
1544 }
1545
1546 bool DataCommand::DoExecuteRemove()
1547 {
1548         if (parameters().size() < 2)
1549         {
1550                 SetReplyString(L"402 DATA REMOVE ERROR\r\n");
1551                 return false;
1552         }
1553
1554         std::wstring filename = env::data_folder();
1555         filename.append(parameters()[1]);
1556         filename.append(L".ftd");
1557
1558         if (!boost::filesystem::exists(filename))
1559         {
1560                 SetReplyString(L"404 DATA REMOVE ERROR\r\n");
1561                 return false;
1562         }
1563
1564         if (!boost::filesystem::remove(filename))
1565         {
1566                 SetReplyString(L"403 DATA REMOVE ERROR\r\n");
1567                 return false;
1568         }
1569
1570         SetReplyString(L"201 DATA REMOVE OK\r\n");
1571
1572         return true;
1573 }
1574
1575 bool DataCommand::DoExecuteList()
1576 {
1577         std::wstringstream replyString;
1578         replyString << L"200 DATA LIST OK\r\n";
1579
1580         for (boost::filesystem::recursive_directory_iterator itr(env::data_folder()), end; itr != end; ++itr)
1581         {
1582                 if(boost::filesystem::is_regular_file(itr->path()))
1583                 {
1584                         if(!boost::iequals(itr->path().extension().wstring(), L".ftd"))
1585                                 continue;
1586
1587                         auto relativePath = boost::filesystem::path(itr->path().wstring().substr(env::data_folder().size()-1, itr->path().wstring().size()));
1588
1589                         auto str = relativePath.replace_extension(L"").generic_wstring();
1590                         if(str[0] == L'\\' || str[0] == L'/')
1591                                 str = std::wstring(str.begin() + 1, str.end());
1592
1593                         replyString << str << L"\r\n";
1594                 }
1595         }
1596
1597         replyString << L"\r\n";
1598
1599         SetReplyString(boost::to_upper_copy(replyString.str()));
1600         return true;
1601 }
1602
1603 bool CinfCommand::DoExecute()
1604 {
1605         std::wstringstream replyString;
1606
1607         try
1608         {
1609                 std::wstring info;
1610                 for (boost::filesystem::recursive_directory_iterator itr(env::media_folder()), end; itr != end && info.empty(); ++itr)
1611                 {
1612                         auto path = itr->path();
1613                         auto file = path.replace_extension(L"").filename().wstring();
1614                         if(boost::iequals(file, parameters().at(0)))
1615                                 info += MediaInfo(itr->path(), system_info_repo_) + L"\r\n";
1616                 }
1617
1618                 if(info.empty())
1619                 {
1620                         SetReplyString(L"404 CINF ERROR\r\n");
1621                         return false;
1622                 }
1623                 replyString << L"200 CINF OK\r\n";
1624                 replyString << info << "\r\n";
1625         }
1626         catch(...)
1627         {
1628                 CASPAR_LOG_CURRENT_EXCEPTION();
1629                 SetReplyString(L"404 CINF ERROR\r\n");
1630                 return false;
1631         }
1632
1633         SetReplyString(replyString.str());
1634         return true;
1635 }
1636
1637 void GenerateChannelInfo(int index, const spl::shared_ptr<core::video_channel>& pChannel, std::wstringstream& replyString)
1638 {
1639         replyString << index+1 << L" " << pChannel->video_format_desc().name << L" PLAYING\r\n";
1640 }
1641
1642 bool InfoCommand::DoExecute()
1643 {
1644         std::wstringstream replyString;
1645
1646         boost::property_tree::xml_writer_settings<std::wstring> w(' ', 3);
1647
1648         try
1649         {
1650                 if(parameters().size() >= 1 && boost::iequals(parameters()[0], L"TEMPLATE"))
1651                 {
1652                         replyString << L"201 INFO TEMPLATE OK\r\n";
1653
1654                         auto filename = parameters().at(1);
1655
1656                         std::wstringstream str;
1657                         str << u16(cg_registry_->read_meta_info(filename));
1658                         boost::property_tree::wptree info;
1659                         boost::property_tree::xml_parser::read_xml(str, info, boost::property_tree::xml_parser::trim_whitespace | boost::property_tree::xml_parser::no_comments);
1660
1661                         boost::property_tree::xml_parser::write_xml(replyString, info, w);
1662                 }
1663                 else if(parameters().size() >= 1 && boost::iequals(parameters()[0], L"CONFIG"))
1664                 {
1665                         replyString << L"201 INFO CONFIG OK\r\n";
1666
1667                         boost::property_tree::write_xml(replyString, caspar::env::properties(), w);
1668                 }
1669                 else if(parameters().size() >= 1 && boost::iequals(parameters()[0], L"PATHS"))
1670                 {
1671                         replyString << L"201 INFO PATHS OK\r\n";
1672
1673                         boost::property_tree::wptree info;
1674                         info.add_child(L"paths", caspar::env::properties().get_child(L"configuration.paths"));
1675                         info.add(L"paths.initial-path", boost::filesystem::initial_path().wstring() + L"/");
1676
1677                         boost::property_tree::write_xml(replyString, info, w);
1678                 }
1679                 else if(parameters().size() >= 1 && boost::iequals(parameters()[0], L"SYSTEM"))
1680                 {
1681                         replyString << L"201 INFO SYSTEM OK\r\n";
1682
1683                         boost::property_tree::wptree info;
1684
1685                         info.add(L"system.name",                                        caspar::system_product_name());
1686                         info.add(L"system.os.description",                      caspar::os_description());
1687                         info.add(L"system.cpu",                                         caspar::cpu_info());
1688
1689                         system_info_repo_->fill_information(info);
1690
1691                         boost::property_tree::write_xml(replyString, info, w);
1692                 }
1693                 else if(parameters().size() >= 1 && boost::iequals(parameters()[0], L"SERVER"))
1694                 {
1695                         replyString << L"201 INFO SERVER OK\r\n";
1696
1697                         boost::property_tree::wptree info;
1698
1699                         int index = 0;
1700                         for (auto& channel : channels())
1701                                 info.add_child(L"channels.channel", channel.channel->info())
1702                                         .add(L"index", ++index);
1703
1704                         boost::property_tree::write_xml(replyString, info, w);
1705                 }
1706                 else // channel
1707                 {
1708                         if(parameters().size() >= 1)
1709                         {
1710                                 replyString << L"201 INFO OK\r\n";
1711                                 boost::property_tree::wptree info;
1712
1713                                 std::vector<std::wstring> split;
1714                                 boost::split(split, parameters()[0], boost::is_any_of("-"));
1715
1716                                 int layer = std::numeric_limits<int>::min();
1717                                 int channel = boost::lexical_cast<int>(split[0]) - 1;
1718
1719                                 if(split.size() > 1)
1720                                         layer = boost::lexical_cast<int>(split[1]);
1721
1722                                 if(layer == std::numeric_limits<int>::min())
1723                                 {
1724                                         info.add_child(L"channel", channels().at(channel).channel->info())
1725                                                         .add(L"index", channel);
1726                                 }
1727                                 else
1728                                 {
1729                                         if(parameters().size() >= 2)
1730                                         {
1731                                                 if(boost::iequals(parameters()[1], L"B"))
1732                                                         info.add_child(L"producer", channels().at(channel).channel->stage().background(layer).get()->info());
1733                                                 else
1734                                                         info.add_child(L"producer", channels().at(channel).channel->stage().foreground(layer).get()->info());
1735                                         }
1736                                         else
1737                                         {
1738                                                 info.add_child(L"layer", channels().at(channel).channel->stage().info(layer).get())
1739                                                         .add(L"index", layer);
1740                                         }
1741                                 }
1742                                 boost::property_tree::xml_parser::write_xml(replyString, info, w);
1743                         }
1744                         else
1745                         {
1746                                 // This is needed for backwards compatibility with old clients
1747                                 replyString << L"200 INFO OK\r\n";
1748                                 for(size_t n = 0; n < channels().size(); ++n)
1749                                         GenerateChannelInfo(n, channels()[n].channel, replyString);
1750                         }
1751
1752                 }
1753         }
1754         catch(...)
1755         {
1756                 CASPAR_LOG_CURRENT_EXCEPTION();
1757                 SetReplyString(L"403 INFO ERROR\r\n");
1758                 return false;
1759         }
1760
1761         replyString << L"\r\n";
1762         SetReplyString(replyString.str());
1763         return true;
1764 }
1765
1766 bool ClsCommand::DoExecute()
1767 {
1768         try
1769         {
1770                 std::wstringstream replyString;
1771                 replyString << L"200 CLS OK\r\n";
1772                 replyString << ListMedia(system_info_repo_);
1773                 replyString << L"\r\n";
1774                 SetReplyString(boost::to_upper_copy(replyString.str()));
1775         }
1776         catch(...)
1777         {
1778                 CASPAR_LOG_CURRENT_EXCEPTION();
1779                 SetReplyString(L"501 CLS FAILED\r\n");
1780                 return false;
1781         }
1782
1783         return true;
1784 }
1785
1786 bool TlsCommand::DoExecute()
1787 {
1788         try
1789         {
1790                 std::wstringstream replyString;
1791                 replyString << L"200 TLS OK\r\n";
1792
1793                 replyString << ListTemplates(cg_registry_);
1794                 replyString << L"\r\n";
1795
1796                 SetReplyString(replyString.str());
1797         }
1798         catch(...)
1799         {
1800                 CASPAR_LOG_CURRENT_EXCEPTION();
1801                 SetReplyString(L"501 TLS FAILED\r\n");
1802                 return false;
1803         }
1804         return true;
1805 }
1806
1807 bool VersionCommand::DoExecute()
1808 {
1809         std::wstring replyString = L"201 VERSION OK\r\n" + env::version() + L"\r\n";
1810
1811         if (parameters().size() > 0 && !boost::iequals(parameters()[0], L"SERVER"))
1812         {
1813                 auto version = system_info_repo_->get_version(parameters().at(0));
1814
1815                 if (version.empty())
1816                         replyString = L"403 VERSION ERROR\r\n";
1817                 else
1818                         replyString = L"201 VERSION OK\r\n" + version + L"\r\n";
1819         }
1820
1821         SetReplyString(replyString);
1822         return true;
1823 }
1824
1825 bool ByeCommand::DoExecute()
1826 {
1827         client()->disconnect();
1828         return true;
1829 }
1830
1831 bool SetCommand::DoExecute()
1832 {
1833         try
1834         {
1835                 std::wstring name = boost::to_upper_copy(parameters()[0]);
1836                 std::wstring value = boost::to_upper_copy(parameters()[1]);
1837
1838                 if(name == L"MODE")
1839                 {
1840                         auto format_desc = core::video_format_desc(value);
1841                         if(format_desc.format != core::video_format::invalid)
1842                         {
1843                                 channel()->video_format_desc(format_desc);
1844                                 SetReplyString(L"202 SET MODE OK\r\n");
1845                         }
1846                         else
1847                                 SetReplyString(L"501 SET MODE FAILED\r\n");
1848                 }
1849                 else
1850                 {
1851                         this->SetReplyString(L"403 SET ERROR\r\n");
1852                 }
1853         }
1854         catch(...)
1855         {
1856                 CASPAR_LOG_CURRENT_EXCEPTION();
1857                 SetReplyString(L"501 SET FAILED\r\n");
1858                 return false;
1859         }
1860
1861         return true;
1862 }
1863
1864 bool LockCommand::DoExecute()
1865 {
1866         try
1867         {
1868                 auto it = parameters().begin();
1869
1870                 std::shared_ptr<caspar::IO::lock_container> lock;
1871                 try
1872                 {
1873                         int channel_index = boost::lexical_cast<int>(*it) - 1;
1874                         lock = channels().at(channel_index).lock;
1875                 }
1876                 catch(const boost::bad_lexical_cast&) {}
1877                 catch(...)
1878                 {
1879                         SetReplyString(L"401 LOCK ERROR\r\n");
1880                         return false;
1881                 }
1882
1883                 if(lock)
1884                         ++it;
1885
1886                 if(it == parameters().end())    //too few parameters
1887                 {
1888                         SetReplyString(L"402 LOCK ERROR\r\n");
1889                         return false;
1890                 }
1891
1892                 std::wstring command = boost::to_upper_copy(*it);
1893                 if(command == L"ACQUIRE")
1894                 {
1895                         ++it;
1896                         if(it == parameters().end())    //too few parameters
1897                         {
1898                                 SetReplyString(L"402 LOCK ACQUIRE ERROR\r\n");
1899                                 return false;
1900                         }
1901                         std::wstring lock_phrase = (*it);
1902
1903                         //TODO: read options
1904
1905                         if(lock)
1906                         {
1907                                 //just lock one channel
1908                                 if(!lock->try_lock(lock_phrase, client()))
1909                                 {
1910                                         SetReplyString(L"503 LOCK ACQUIRE FAILED\r\n");
1911                                         return false;
1912                                 }
1913                         }
1914                         else
1915                         {
1916                                 //TODO: lock all channels
1917                                 CASPAR_THROW_EXCEPTION(not_implemented());
1918                         }
1919                         SetReplyString(L"202 LOCK ACQUIRE OK\r\n");
1920
1921                 }
1922                 else if(command == L"RELEASE")
1923                 {
1924                         if(lock)
1925                         {
1926                                 lock->release_lock(client());
1927                         }
1928                         else
1929                         {
1930                                 //TODO: release all channels
1931                                 CASPAR_THROW_EXCEPTION(not_implemented());
1932                         }
1933                         SetReplyString(L"202 LOCK RELEASE OK\r\n");
1934                 }
1935                 else if(command == L"CLEAR")
1936                 {
1937                         std::wstring override_phrase = env::properties().get(L"configuration.lock-clear-phrase", L"");
1938                         std::wstring client_override_phrase;
1939                         if(!override_phrase.empty())
1940                         {
1941                                 ++it;
1942                                 if(it == parameters().end())
1943                                 {
1944                                         SetReplyString(L"402 LOCK CLEAR ERROR\r\n");
1945                                         return false;
1946                                 }
1947                                 client_override_phrase = (*it);
1948                         }
1949
1950                         if(lock)
1951                         {
1952                                 //just clear one channel
1953                                 if(client_override_phrase != override_phrase)
1954                                 {
1955                                         SetReplyString(L"503 LOCK CLEAR FAILED\r\n");
1956                                         return false;
1957                                 }
1958
1959                                 lock->clear_locks();
1960                         }
1961                         else
1962                         {
1963                                 //TODO: clear all channels
1964                                 CASPAR_THROW_EXCEPTION(not_implemented());
1965                         }
1966
1967                         SetReplyString(L"202 LOCK CLEAR OK\r\n");
1968                 }
1969                 else
1970                 {
1971                         SetReplyString(L"403 LOCK ERROR\r\n");
1972                         return false;
1973                 }
1974         }
1975         catch(not_implemented&)
1976         {
1977                 SetReplyString(L"600 LOCK FAILED\r\n");
1978                 return false;
1979         }
1980         catch(...)
1981         {
1982                 CASPAR_LOG_CURRENT_EXCEPTION();
1983                 SetReplyString(L"501 LOCK FAILED\r\n");
1984                 return false;
1985         }
1986
1987         return true;
1988 }
1989
1990 bool ThumbnailCommand::DoExecute()
1991 {
1992         std::wstring command = boost::to_upper_copy(parameters()[0]);
1993
1994         if (command == L"RETRIEVE")
1995                 return DoExecuteRetrieve();
1996         else if (command == L"LIST")
1997                 return DoExecuteList();
1998         else if (command == L"GENERATE")
1999                 return DoExecuteGenerate();
2000         else if (command == L"GENERATE_ALL")
2001                 return DoExecuteGenerateAll();
2002
2003         SetReplyString(L"403 THUMBNAIL ERROR\r\n");
2004         return false;
2005 }
2006
2007 bool ThumbnailCommand::DoExecuteRetrieve()
2008 {
2009         if(parameters().size() < 2)
2010         {
2011                 SetReplyString(L"402 THUMBNAIL RETRIEVE ERROR\r\n");
2012                 return false;
2013         }
2014
2015         std::wstring filename = env::thumbnails_folder();
2016         filename.append(parameters()[1]);
2017         filename.append(L".png");
2018
2019         std::wstring file_contents;
2020
2021         auto found_file = find_case_insensitive(filename);
2022
2023         if (found_file)
2024                 file_contents = read_file_base64(boost::filesystem::path(*found_file));
2025
2026         if (file_contents.empty())
2027         {
2028                 SetReplyString(L"404 THUMBNAIL RETRIEVE ERROR\r\n");
2029                 return false;
2030         }
2031
2032         std::wstringstream reply;
2033
2034         reply << L"201 THUMBNAIL RETRIEVE OK\r\n";
2035         reply << file_contents;
2036         reply << L"\r\n";
2037         SetReplyString(reply.str());
2038         return true;
2039 }
2040
2041 bool ThumbnailCommand::DoExecuteList()
2042 {
2043         std::wstringstream replyString;
2044         replyString << L"200 THUMBNAIL LIST OK\r\n";
2045
2046         for (boost::filesystem::recursive_directory_iterator itr(env::thumbnails_folder()), end; itr != end; ++itr)
2047         {
2048                 if(boost::filesystem::is_regular_file(itr->path()))
2049                 {
2050                         if(!boost::iequals(itr->path().extension().wstring(), L".png"))
2051                                 continue;
2052
2053                         auto relativePath = boost::filesystem::path(itr->path().wstring().substr(env::thumbnails_folder().size()-1, itr->path().wstring().size()));
2054
2055                         auto str = relativePath.replace_extension(L"").generic_wstring();
2056                         if(str[0] == '\\' || str[0] == '/')
2057                                 str = std::wstring(str.begin() + 1, str.end());
2058
2059                         auto mtime = boost::filesystem::last_write_time(itr->path());
2060                         auto mtime_readable = boost::posix_time::to_iso_wstring(boost::posix_time::from_time_t(mtime));
2061                         auto file_size = boost::filesystem::file_size(itr->path());
2062
2063                         replyString << L"\"" << str << L"\" " << mtime_readable << L" " << file_size << L"\r\n";
2064                 }
2065         }
2066
2067         replyString << L"\r\n";
2068
2069         SetReplyString(boost::to_upper_copy(replyString.str()));
2070         return true;
2071 }
2072
2073 bool ThumbnailCommand::DoExecuteGenerate()
2074 {
2075         if (parameters().size() < 2)
2076         {
2077                 SetReplyString(L"402 THUMBNAIL GENERATE ERROR\r\n");
2078                 return false;
2079         }
2080
2081         if (thumb_gen_)
2082         {
2083                 thumb_gen_->generate(parameters()[1]);
2084                 SetReplyString(L"202 THUMBNAIL GENERATE OK\r\n");
2085                 return true;
2086         }
2087         else
2088         {
2089                 SetReplyString(L"500 THUMBNAIL GENERATE ERROR\r\n");
2090                 return false;
2091         }
2092 }
2093
2094 bool ThumbnailCommand::DoExecuteGenerateAll()
2095 {
2096         if (thumb_gen_)
2097         {
2098                 thumb_gen_->generate_all();
2099                 SetReplyString(L"202 THUMBNAIL GENERATE_ALL OK\r\n");
2100                 return true;
2101         }
2102         else
2103         {
2104                 SetReplyString(L"500 THUMBNAIL GENERATE_ALL ERROR\r\n");
2105                 return false;
2106         }
2107 }
2108
2109 bool KillCommand::DoExecute()
2110 {
2111         shutdown_server_now_->set_value(false); //false for not attempting to restart
2112         SetReplyString(L"202 KILL OK\r\n");
2113         return true;
2114 }
2115
2116 bool RestartCommand::DoExecute()
2117 {
2118         shutdown_server_now_->set_value(true);  //true for attempting to restart
2119         SetReplyString(L"202 RESTART OK\r\n");
2120         return true;
2121 }
2122
2123 }       //namespace amcp
2124 }}      //namespace caspar