git.sesse.net Git - casparcg/blob - modules/ffmpeg/producer/ffmpeg_producer.cpp

   1 /*\r
   2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>\r
   3 *\r
   4 * This file is part of CasparCG (www.casparcg.com).\r
   5 *\r
   6 * CasparCG is free software: you can redistribute it and/or modify\r
   7 * it under the terms of the GNU General Public License as published by\r
   8 * the Free Software Foundation, either version 3 of the License, or\r
   9 * (at your option) any later version.\r
  10 *\r
  11 * CasparCG is distributed in the hope that it will be useful,\r
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14 * GNU General Public License for more details.\r
  15 *\r
  16 * You should have received a copy of the GNU General Public License\r
  17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.\r
  18 *\r
  19 * Author: Robert Nagy, ronag89@gmail.com\r
  20 */\r
  21 \r
  22 #include "../stdafx.h"\r
  23 \r
  24 #include "ffmpeg_producer.h"\r
  25 \r
  26 #include "../ffmpeg_error.h"\r
  27 #include "../ffmpeg.h"\r
  28 \r
  29 #include "muxer/frame_muxer.h"\r
  30 #include "input/input.h"\r
  31 #include "util/util.h"\r
  32 #include "audio/audio_decoder.h"\r
  33 #include "video/video_decoder.h"\r
  34 \r
  35 #include <common/env.h>\r
  36 #include <common/utility/assert.h>\r
  37 #include <common/utility/param.h>\r
  38 #include <common/diagnostics/graph.h>\r
  39 \r
  40 #include <core/video_format.h>\r
  41 #include <core/producer/frame_producer.h>\r
  42 #include <core/producer/frame/frame_factory.h>\r
  43 #include <core/producer/frame/basic_frame.h>\r
  44 #include <core/producer/frame/frame_transform.h>\r
  45 \r
  46 #include <boost/algorithm/string.hpp>\r
  47 #include <boost/assign.hpp>\r
  48 #include <boost/timer.hpp>\r
  49 #include <boost/foreach.hpp>\r
  50 #include <boost/filesystem.hpp>\r
  51 #include <boost/range/algorithm/find_if.hpp>\r
  52 #include <boost/range/algorithm/find.hpp>\r
  53 #include <boost/regex.hpp>\r
  54 \r
  55 #include <tbb/parallel_invoke.h>\r
  56 \r
  57 #include <limits>\r
  58 #include <memory>\r
  59 #include <queue>\r
  60 \r
  61 namespace caspar { namespace ffmpeg {\r
  62                                 \r
  63 struct ffmpeg_producer : public core::frame_producer\r
  64 {\r
  65         const std::wstring                                                                                      filename_;\r
  66         \r
  67         const safe_ptr<diagnostics::graph>                                                      graph_;\r
  68         boost::timer                                                                                            frame_timer_;\r
  69                                         \r
  70         const safe_ptr<core::frame_factory>                                                     frame_factory_;\r
  71         const core::video_format_desc                                                           format_desc_;\r
  72 \r
  73         std::shared_ptr<void>                                                                           initial_logger_disabler_;\r
  74 \r
  75         input                                                                                                           input_; \r
  76         std::unique_ptr<video_decoder>                                                          video_decoder_;\r
  77         std::unique_ptr<audio_decoder>                                                          audio_decoder_; \r
  78         std::unique_ptr<frame_muxer>                                                            muxer_;\r
  79 \r
  80         const double                                                                                            fps_;\r
  81         const uint32_t                                                                                          start_;\r
  82         const uint32_t                                                                                          length_;\r
  83         const bool                                                                                                      thumbnail_mode_;\r
  84 \r
  85         safe_ptr<core::basic_frame>                                                                     last_frame_;\r
  86         \r
  87         std::queue<std::pair<safe_ptr<core::basic_frame>, size_t>>      frame_buffer_;\r
  88 \r
  89         int64_t                                                                                                         frame_number_;\r
  90         uint32_t                                                                                                        file_frame_number_;\r
  91         \r
  92 public:\r
  93         explicit ffmpeg_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& filename, const std::wstring& filter, bool loop, uint32_t start, uint32_t length, bool thumbnail_mode)\r
  94                 : filename_(filename)\r
  95                 , frame_factory_(frame_factory)         \r
  96                 , format_desc_(frame_factory->get_video_format_desc())\r
  97                 , initial_logger_disabler_(temporary_disable_logging_for_thread(thumbnail_mode))\r
  98                 , input_(graph_, filename_, loop, start, length, thumbnail_mode)\r
  99                 , fps_(read_fps(*input_.context(), format_desc_.fps))\r
 100                 , start_(start)\r
 101                 , length_(length)\r
 102                 , thumbnail_mode_(thumbnail_mode)\r
 103                 , last_frame_(core::basic_frame::empty())\r
 104                 , frame_number_(0)\r
 105         {\r
 106                 graph_->set_color("frame-time", diagnostics::color(0.1f, 1.0f, 0.1f));\r
 107                 graph_->set_color("underflow", diagnostics::color(0.6f, 0.3f, 0.9f));   \r
 108                 diagnostics::register_graph(graph_);\r
 109         \r
 110                 try\r
 111                 {\r
 112                         video_decoder_.reset(new video_decoder(input_.context()));\r
 113                         if (!thumbnail_mode_)\r
 114                                 CASPAR_LOG(info) << print() << L" " << video_decoder_->print();\r
 115                 }\r
 116                 catch(averror_stream_not_found&)\r
 117                 {\r
 118                         //CASPAR_LOG(warning) << print() << " No video-stream found. Running without video.";   \r
 119                 }\r
 120                 catch(...)\r
 121                 {\r
 122                         if (!thumbnail_mode_)\r
 123                         {\r
 124                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 125                                 CASPAR_LOG(warning) << print() << "Failed to open video-stream. Running without video.";        \r
 126                         }\r
 127                 }\r
 128 \r
 129                 if (!thumbnail_mode_)\r
 130                 {\r
 131                         try\r
 132                         {\r
 133                                 audio_decoder_.reset(new audio_decoder(input_.context(), frame_factory->get_video_format_desc()));\r
 134                                 CASPAR_LOG(info) << print() << L" " << audio_decoder_->print();\r
 135                         }\r
 136                         catch(averror_stream_not_found&)\r
 137                         {\r
 138                                 //CASPAR_LOG(warning) << print() << " No audio-stream found. Running without audio.";   \r
 139                         }\r
 140                         catch(...)\r
 141                         {\r
 142                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 143                                 CASPAR_LOG(warning) << print() << " Failed to open audio-stream. Running without audio.";               \r
 144                         }\r
 145                 }\r
 146 \r
 147                 if(!video_decoder_ && !audio_decoder_)\r
 148                         BOOST_THROW_EXCEPTION(averror_stream_not_found() << msg_info("No streams found"));\r
 149 \r
 150                 muxer_.reset(new frame_muxer(fps_, frame_factory, thumbnail_mode_, filter));\r
 151         }\r
 152 \r
 153         // frame_producer\r
 154         \r
 155         virtual safe_ptr<core::basic_frame> receive(int hints) override\r
 156         {\r
 157                 return render_frame(hints).first;\r
 158         }\r
 159 \r
 160         virtual safe_ptr<core::basic_frame> last_frame() const override\r
 161         {\r
 162                 return disable_audio(last_frame_);\r
 163         }\r
 164 \r
 165         std::pair<safe_ptr<core::basic_frame>, uint32_t> render_frame(int hints)\r
 166         {               \r
 167                 frame_timer_.restart();\r
 168                 auto disable_logging = temporary_disable_logging_for_thread(thumbnail_mode_);\r
 169                                 \r
 170                 for(int n = 0; n < 16 && frame_buffer_.size() < 2; ++n)\r
 171                         try_decode_frame(hints);\r
 172                 \r
 173                 graph_->set_value("frame-time", frame_timer_.elapsed()*format_desc_.fps*0.5);\r
 174                                 \r
 175                 if(frame_buffer_.empty() && input_.eof())\r
 176                         return std::make_pair(last_frame(), -1);\r
 177 \r
 178                 if(frame_buffer_.empty())\r
 179                 {\r
 180                         graph_->set_tag("underflow");   \r
 181                         return std::make_pair(core::basic_frame::late(), -1);\r
 182                 }\r
 183                 \r
 184                 auto frame = frame_buffer_.front(); \r
 185                 frame_buffer_.pop();\r
 186                 \r
 187                 ++frame_number_;\r
 188                 file_frame_number_ = frame.second;\r
 189 \r
 190                 graph_->set_text(print());\r
 191 \r
 192                 last_frame_ = frame.first;\r
 193 \r
 194                 return frame;\r
 195         }\r
 196 \r
 197         safe_ptr<core::basic_frame> render_specific_frame(uint32_t file_position, int hints)\r
 198         {\r
 199                 // Some trial and error and undeterministic stuff here\r
 200                 static const int NUM_RETRIES = 32;\r
 201                 \r
 202                 if (file_position > 0) // Assume frames are requested in sequential order,\r
 203                                            // therefore no seeking should be necessary for the first frame.\r
 204                 {\r
 205                         input_.seek(file_position > 1 ? file_position - 2: file_position).get();\r
 206                         boost::this_thread::sleep(boost::posix_time::milliseconds(40));\r
 207                 }\r
 208 \r
 209                 for (int i = 0; i < NUM_RETRIES; ++i)\r
 210                 {\r
 211                         boost::this_thread::sleep(boost::posix_time::milliseconds(40));\r
 212                 \r
 213                         auto frame = render_frame(hints);\r
 214 \r
 215                         if (frame.second == std::numeric_limits<uint32_t>::max())\r
 216                         {\r
 217                                 // Retry\r
 218                                 continue;\r
 219                         }\r
 220                         else if (frame.second == file_position + 1 || frame.second == file_position)\r
 221                                 return frame.first;\r
 222                         else if (frame.second > file_position + 1)\r
 223                         {\r
 224                                 CASPAR_LOG(trace) << print() << L" " << frame.second << L" received, wanted " << file_position + 1;\r
 225                                 int64_t adjusted_seek = file_position - (frame.second - file_position + 1);\r
 226 \r
 227                                 if (adjusted_seek > 1 && file_position > 0)\r
 228                                 {\r
 229                                         CASPAR_LOG(trace) << print() << L" adjusting to " << adjusted_seek;\r
 230                                         input_.seek(static_cast<uint32_t>(adjusted_seek) - 1).get();\r
 231                                         boost::this_thread::sleep(boost::posix_time::milliseconds(40));\r
 232                                 }\r
 233                                 else\r
 234                                         return frame.first;\r
 235                         }\r
 236                 }\r
 237 \r
 238                 CASPAR_LOG(trace) << print() << " Giving up finding frame at " << file_position;\r
 239                 return core::basic_frame::empty();\r
 240         }\r
 241 \r
 242         virtual safe_ptr<core::basic_frame> create_thumbnail_frame() override\r
 243         {\r
 244                 auto disable_logging = temporary_disable_logging_for_thread(thumbnail_mode_);\r
 245                 auto total_frames = nb_frames();\r
 246                 auto grid = env::properties().get(L"configuration.thumbnails.video-grid", 2);\r
 247 \r
 248                 if (grid < 1)\r
 249                 {\r
 250                         CASPAR_LOG(error) << L"configuration/thumbnails/video-grid cannot be less than 1";\r
 251                         BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("configuration/thumbnails/video-grid cannot be less than 1"));\r
 252                 }\r
 253 \r
 254                 if (grid == 1)\r
 255                 {\r
 256                         return render_specific_frame(total_frames / 2, 0/*DEINTERLACE_HINT*/);\r
 257                 }\r
 258 \r
 259                 auto num_snapshots = grid * grid;\r
 260 \r
 261                 std::vector<safe_ptr<core::basic_frame>> frames;\r
 262 \r
 263                 for (int i = 0; i < num_snapshots; ++i)\r
 264                 {\r
 265                         int x = i % grid;\r
 266                         int y = i / grid;\r
 267                         int desired_frame;\r
 268                         \r
 269                         if (i == 0)\r
 270                                 desired_frame = 0; // first\r
 271                         else if (i == num_snapshots - 1)\r
 272                                 desired_frame = total_frames - 1; // last\r
 273                         else\r
 274                                 // evenly distributed across the file.\r
 275                                 desired_frame = total_frames * i / (num_snapshots - 1);\r
 276 \r
 277                         auto frame = render_specific_frame(desired_frame, 0/*DEINTERLACE_HINT*/);\r
 278                         frame->get_frame_transform().fill_scale[0] = 1.0 / static_cast<double>(grid);\r
 279                         frame->get_frame_transform().fill_scale[1] = 1.0 / static_cast<double>(grid);\r
 280                         frame->get_frame_transform().fill_translation[0] = 1.0 / static_cast<double>(grid) * x;\r
 281                         frame->get_frame_transform().fill_translation[1] = 1.0 / static_cast<double>(grid) * y;\r
 282 \r
 283                         frames.push_back(frame);\r
 284                 }\r
 285 \r
 286                 return make_safe<core::basic_frame>(frames);\r
 287         }\r
 288 \r
 289         virtual uint32_t nb_frames() const override\r
 290         {\r
 291                 if(input_.loop())\r
 292                         return std::numeric_limits<uint32_t>::max();\r
 293 \r
 294                 uint32_t nb_frames = file_nb_frames();\r
 295 \r
 296                 nb_frames = std::min(length_, nb_frames);\r
 297                 nb_frames = muxer_->calc_nb_frames(nb_frames);\r
 298                 \r
 299                 return nb_frames > start_ ? nb_frames - start_ : 0;\r
 300         }\r
 301 \r
 302         uint32_t file_nb_frames() const\r
 303         {\r
 304                 uint32_t file_nb_frames = 0;\r
 305                 file_nb_frames = std::max(file_nb_frames, video_decoder_ ? video_decoder_->nb_frames() : 0);\r
 306                 file_nb_frames = std::max(file_nb_frames, audio_decoder_ ? audio_decoder_->nb_frames() : 0);\r
 307                 return file_nb_frames;\r
 308         }\r
 309         \r
 310         virtual boost::unique_future<std::wstring> call(const std::wstring& param) override\r
 311         {\r
 312                 boost::promise<std::wstring> promise;\r
 313                 promise.set_value(do_call(param));\r
 314                 return promise.get_future();\r
 315         }\r
 316                                 \r
 317         virtual std::wstring print() const override\r
 318         {\r
 319                 return L"ffmpeg[" + boost::filesystem::wpath(filename_).filename() + L"|" \r
 320                                                   + print_mode() + L"|" \r
 321                                                   + boost::lexical_cast<std::wstring>(file_frame_number_) + L"/" + boost::lexical_cast<std::wstring>(file_nb_frames()) + L"]";\r
 322         }\r
 323 \r
 324         boost::property_tree::wptree info() const override\r
 325         {\r
 326                 boost::property_tree::wptree info;\r
 327                 info.add(L"type",                               L"ffmpeg-producer");\r
 328                 info.add(L"filename",                   filename_);\r
 329                 info.add(L"width",                              video_decoder_ ? video_decoder_->width() : 0);\r
 330                 info.add(L"height",                             video_decoder_ ? video_decoder_->height() : 0);\r
 331                 info.add(L"progressive",                video_decoder_ ? video_decoder_->is_progressive() : false);\r
 332                 info.add(L"fps",                                fps_);\r
 333                 info.add(L"loop",                               input_.loop());\r
 334                 info.add(L"frame-number",               frame_number_);\r
 335                 auto nb_frames2 = nb_frames();\r
 336                 info.add(L"nb-frames",                  nb_frames2 == std::numeric_limits<int64_t>::max() ? -1 : nb_frames2);\r
 337                 info.add(L"file-frame-number",  file_frame_number_);\r
 338                 info.add(L"file-nb-frames",             file_nb_frames());\r
 339                 return info;\r
 340         }\r
 341 \r
 342         // ffmpeg_producer\r
 343 \r
 344         std::wstring print_mode() const\r
 345         {\r
 346                 return video_decoder_ ? ffmpeg::print_mode(video_decoder_->width(), video_decoder_->height(), fps_, !video_decoder_->is_progressive()) : L"";\r
 347         }\r
 348                                         \r
 349         std::wstring do_call(const std::wstring& param)\r
 350         {\r
 351                 static const boost::wregex loop_exp(L"LOOP\\s*(?<VALUE>\\d?)?", boost::regex::icase);\r
 352                 static const boost::wregex seek_exp(L"SEEK\\s+(?<VALUE>\\d+)", boost::regex::icase);\r
 353                 \r
 354                 boost::wsmatch what;\r
 355                 if(boost::regex_match(param, what, loop_exp))\r
 356                 {\r
 357                         if(!what["VALUE"].str().empty())\r
 358                                 input_.loop(boost::lexical_cast<bool>(what["VALUE"].str()));\r
 359                         return boost::lexical_cast<std::wstring>(input_.loop());\r
 360                 }\r
 361                 if(boost::regex_match(param, what, seek_exp))\r
 362                 {\r
 363                         input_.seek(boost::lexical_cast<uint32_t>(what["VALUE"].str()));\r
 364                         return L"";\r
 365                 }\r
 366 \r
 367                 BOOST_THROW_EXCEPTION(invalid_argument());\r
 368         }\r
 369 \r
 370         void try_decode_frame(int hints)\r
 371         {\r
 372                 std::shared_ptr<AVPacket> pkt;\r
 373 \r
 374                 for(int n = 0; n < 32 && ((video_decoder_ && !video_decoder_->ready()) || (audio_decoder_ && !audio_decoder_->ready())) && input_.try_pop(pkt); ++n)\r
 375                 {\r
 376                         if(video_decoder_)\r
 377                                 video_decoder_->push(pkt);\r
 378                         if(audio_decoder_)\r
 379                                 audio_decoder_->push(pkt);\r
 380                 }\r
 381                 \r
 382                 std::shared_ptr<AVFrame>                        video;\r
 383                 std::shared_ptr<core::audio_buffer> audio;\r
 384 \r
 385                 tbb::parallel_invoke(\r
 386                 [&]\r
 387                 {\r
 388                         if(!muxer_->video_ready() && video_decoder_)    \r
 389                                 video = video_decoder_->poll(); \r
 390                 },\r
 391                 [&]\r
 392                 {               \r
 393                         if(!muxer_->audio_ready() && audio_decoder_)            \r
 394                                 audio = audio_decoder_->poll();         \r
 395                 });\r
 396                 \r
 397                 muxer_->push(video, hints);\r
 398                 muxer_->push(audio);\r
 399 \r
 400                 if(!audio_decoder_)\r
 401                 {\r
 402                         if(video == flush_video())\r
 403                                 muxer_->push(flush_audio());\r
 404                         else if(!muxer_->audio_ready())\r
 405                                 muxer_->push(empty_audio());\r
 406                 }\r
 407 \r
 408                 if(!video_decoder_)\r
 409                 {\r
 410                         if(audio == flush_audio())\r
 411                                 muxer_->push(flush_video(), 0);\r
 412                         else if(!muxer_->video_ready())\r
 413                                 muxer_->push(empty_video(), 0);\r
 414                 }\r
 415                 \r
 416                 size_t file_frame_number = 0;\r
 417                 file_frame_number = std::max(file_frame_number, video_decoder_ ? video_decoder_->file_frame_number() : 0);\r
 418                 //file_frame_number = std::max(file_frame_number, audio_decoder_ ? audio_decoder_->file_frame_number() : 0);\r
 419 \r
 420                 for(auto frame = muxer_->poll(); frame; frame = muxer_->poll())\r
 421                         frame_buffer_.push(std::make_pair(make_safe_ptr(frame), file_frame_number));\r
 422         }\r
 423 };\r
 424 \r
 425 safe_ptr<core::frame_producer> create_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::vector<std::wstring>& params)\r
 426 {               \r
 427         static const std::vector<std::wstring> invalid_exts = boost::assign::list_of(L".png")(L".tga")(L".bmp")(L".jpg")(L".jpeg")(L".gif")(L".tiff")(L".tif")(L".jp2")(L".jpx")(L".j2k")(L".j2c")(L".swf")(L".ct");\r
 428         auto filename = probe_stem(env::media_folder() + L"\\" + params.at(0), invalid_exts);\r
 429 \r
 430         if(filename.empty())\r
 431                 return core::frame_producer::empty();\r
 432         \r
 433         auto loop               = boost::range::find(params, L"LOOP") != params.end();\r
 434         auto start              = get_param(L"SEEK", params, static_cast<uint32_t>(0));\r
 435         auto length             = get_param(L"LENGTH", params, std::numeric_limits<uint32_t>::max());\r
 436         auto filter_str = get_param(L"FILTER", params, L"");    \r
 437                 \r
 438         boost::replace_all(filter_str, L"DEINTERLACE", L"YADIF=0:-1");\r
 439         boost::replace_all(filter_str, L"DEINTERLACE_BOB", L"YADIF=1:-1");\r
 440         \r
 441         return create_producer_destroy_proxy(make_safe<ffmpeg_producer>(frame_factory, filename, filter_str, loop, start, length, false));\r
 442 }\r
 443 \r
 444 safe_ptr<core::frame_producer> create_thumbnail_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::vector<std::wstring>& params)\r
 445 {               \r
 446         static const std::vector<std::wstring> invalid_exts = boost::assign::list_of\r
 447                         (L".png")(L".tga")(L".bmp")(L".jpg")(L".jpeg")(L".gif")(L".tiff")(L".tif")(L".jp2")(L".jpx")(L".j2k")(L".j2c")(L".swf")(L".ct")\r
 448                         (L".wav")(L".mp3"); // audio shall not have thumbnails\r
 449         auto filename = probe_stem(env::media_folder() + L"\\" + params.at(0), invalid_exts);\r
 450 \r
 451         if(filename.empty())\r
 452                 return core::frame_producer::empty();\r
 453         \r
 454         auto loop               = false;\r
 455         auto start              = 0;\r
 456         auto length             = std::numeric_limits<uint32_t>::max();\r
 457         auto filter_str = L"";\r
 458                 \r
 459         return create_producer_destroy_proxy(make_safe<ffmpeg_producer>(frame_factory, filename, filter_str, loop, start, length, true));\r
 460 }\r
 461 \r
 462 }}