git.sesse.net Git - casparcg/blob - modules/decklink/producer/decklink_producer.cpp

   1 /*\r
   2 * copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
   3 *\r
   4 *  This file is part of CasparCG.\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 */\r
  20  \r
  21 #include "../stdafx.h"\r
  22 \r
  23 #include "decklink_producer.h"\r
  24 \r
  25 #include "../interop/DeckLinkAPI_h.h"\r
  26 #include "../util/util.h"\r
  27 \r
  28 #include "../../ffmpeg/producer/filter/filter.h"\r
  29 #include "../../ffmpeg/producer/util.h"\r
  30 #include "../../ffmpeg/producer/frame_muxer.h"\r
  31 \r
  32 #include <common/log/log.h>\r
  33 #include <common/diagnostics/graph.h>\r
  34 #include <common/concurrency/com_context.h>\r
  35 #include <common/exception/exceptions.h>\r
  36 #include <common/memory/memclr.h>\r
  37 \r
  38 #include <core/mixer/write_frame.h>\r
  39 #include <core/producer/frame/frame_transform.h>\r
  40 #include <core/producer/frame/frame_factory.h>\r
  41 \r
  42 #include <agents.h>\r
  43 #include <agents_extras.h>\r
  44 #include <ppl.h>\r
  45 \r
  46 #include <boost/algorithm/string.hpp>\r
  47 #include <boost/foreach.hpp>\r
  48 #include <boost/timer.hpp>\r
  49 \r
  50 #if defined(_MSC_VER)\r
  51 #pragma warning (push)\r
  52 #pragma warning (disable : 4244)\r
  53 #endif\r
  54 extern "C" \r
  55 {\r
  56         #define __STDC_CONSTANT_MACROS\r
  57         #define __STDC_LIMIT_MACROS\r
  58         #include <libavcodec/avcodec.h>\r
  59 }\r
  60 #if defined(_MSC_VER)\r
  61 #pragma warning (pop)\r
  62 #endif\r
  63 \r
  64 #pragma warning(push)\r
  65 #pragma warning(disable : 4996)\r
  66 \r
  67         #include <atlbase.h>\r
  68 \r
  69         #include <atlcom.h>\r
  70         #include <atlhost.h>\r
  71 \r
  72 #pragma warning(push)\r
  73 \r
  74 #include <functional>\r
  75 \r
  76 namespace caspar { namespace decklink {\r
  77                 \r
  78 typedef std::pair<CComPtr<IDeckLinkVideoInputFrame>, CComPtr<IDeckLinkAudioInputPacket>> frame_packet;\r
  79 \r
  80 class decklink_producer : boost::noncopyable, public IDeckLinkInputCallback\r
  81 {       \r
  82         Concurrency::ITarget<frame_packet>&     target_;\r
  83 \r
  84         CComPtr<IDeckLink>                                      decklink_;\r
  85         CComQIPtr<IDeckLinkInput>                       input_;\r
  86         \r
  87         const std::wstring                                      model_name_;\r
  88         const core::video_format_desc           format_desc_;\r
  89         const size_t                                            device_index_;\r
  90 \r
  91         safe_ptr<diagnostics::graph>            graph_;\r
  92         boost::timer                                            tick_timer_;\r
  93         boost::timer                                            frame_timer_;\r
  94 \r
  95 public:\r
  96         decklink_producer(Concurrency::ITarget<frame_packet>& target, const core::video_format_desc& format_desc, size_t device_index)\r
  97                 : target_(target)\r
  98                 , decklink_(get_device(device_index))\r
  99                 , input_(decklink_)\r
 100                 , model_name_(get_model_name(decklink_))\r
 101                 , format_desc_(format_desc)\r
 102                 , device_index_(device_index)\r
 103                 , graph_ (diagnostics::create_graph("", false))\r
 104         {               \r
 105                 graph_->add_guide("tick-time", 0.5);\r
 106                 graph_->set_color("tick-time", diagnostics::color(0.0f, 0.6f, 0.9f));   \r
 107                 graph_->set_color("late-frame", diagnostics::color(0.6f, 0.3f, 0.3f));\r
 108                 graph_->set_color("frame-time", diagnostics::color(1.0f, 0.0f, 0.0f));\r
 109                 graph_->set_color("dropped-frame", diagnostics::color(0.3f, 0.6f, 0.3f));\r
 110                 graph_->set_color("output-buffer", diagnostics::color(0.0f, 1.0f, 0.0f));\r
 111                 graph_->update_text(narrow(print()));\r
 112 \r
 113                 auto display_mode = get_display_mode(input_, format_desc_.format, bmdFormat8BitYUV, bmdVideoInputFlagDefault);\r
 114                 \r
 115                 // NOTE: bmdFormat8BitARGB is currently not supported by any decklink card. (2011-05-08)\r
 116                 if(FAILED(input_->EnableVideoInput(display_mode, bmdFormat8BitYUV, 0))) \r
 117                         BOOST_THROW_EXCEPTION(caspar_exception() \r
 118                                                                         << msg_info(narrow(print()) + " Could not enable video input.")\r
 119                                                                         << boost::errinfo_api_function("EnableVideoInput"));\r
 120 \r
 121                 if(FAILED(input_->EnableAudioInput(bmdAudioSampleRate48kHz, bmdAudioSampleType32bitInteger, format_desc_.audio_channels))) \r
 122                         BOOST_THROW_EXCEPTION(caspar_exception() \r
 123                                                                         << msg_info(narrow(print()) + " Could not enable audio input.")\r
 124                                                                         << boost::errinfo_api_function("EnableAudioInput"));\r
 125                         \r
 126                 if (FAILED(input_->SetCallback(this)) != S_OK)\r
 127                         BOOST_THROW_EXCEPTION(caspar_exception() \r
 128                                                                         << msg_info(narrow(print()) + " Failed to set input callback.")\r
 129                                                                         << boost::errinfo_api_function("SetCallback"));\r
 130                         \r
 131                 if(FAILED(input_->StartStreams()))\r
 132                         BOOST_THROW_EXCEPTION(caspar_exception() \r
 133                                                                         << msg_info(narrow(print()) + " Failed to start input stream.")\r
 134                                                                         << boost::errinfo_api_function("StartStreams"));\r
 135 \r
 136                 CASPAR_LOG(info) << print() << L" Successfully Initialized.";\r
 137 \r
 138                 graph_->start();\r
 139         }\r
 140 \r
 141         ~decklink_producer()\r
 142         {\r
 143                 Concurrency::scoped_oversubcription_token oversubscribe;\r
 144                 if(input_ != nullptr) \r
 145                 {\r
 146                         input_->StopStreams();\r
 147                         input_->DisableVideoInput();\r
 148                 }\r
 149         }\r
 150 \r
 151         virtual HRESULT STDMETHODCALLTYPE       QueryInterface (REFIID, LPVOID*)        {return E_NOINTERFACE;}\r
 152         virtual ULONG STDMETHODCALLTYPE         AddRef ()                                                       {return 1;}\r
 153         virtual ULONG STDMETHODCALLTYPE         Release ()                                                      {return 1;}\r
 154                 \r
 155         virtual HRESULT STDMETHODCALLTYPE VideoInputFormatChanged(BMDVideoInputFormatChangedEvents /*notificationEvents*/, IDeckLinkDisplayMode* newDisplayMode, BMDDetectedVideoInputFormatFlags /*detectedSignalFlags*/)\r
 156         {\r
 157                 return S_OK;\r
 158         }\r
 159 \r
 160         virtual HRESULT STDMETHODCALLTYPE VideoInputFrameArrived(IDeckLinkVideoInputFrame* video, IDeckLinkAudioInputPacket* audio)\r
 161         {       \r
 162                 if(!Concurrency::asend(target_, frame_packet(CComPtr<IDeckLinkVideoInputFrame>(video), CComPtr<IDeckLinkAudioInputPacket>(audio))))\r
 163                         graph_->add_tag("dropped-frame");\r
 164                 return S_OK;\r
 165         }\r
 166                 \r
 167         std::wstring print() const\r
 168         {\r
 169                 return model_name_ + L" [" + boost::lexical_cast<std::wstring>(device_index_) + L"]";\r
 170         }\r
 171 };\r
 172         \r
 173 class decklink_producer_proxy : public Concurrency::agent, public core::frame_producer\r
 174 {               \r
 175         Concurrency::bounded_buffer<ffmpeg::video_message_t>    video_frames_;\r
 176         Concurrency::bounded_buffer<ffmpeg::audio_message_t>    audio_buffers_;\r
 177         Concurrency::bounded_buffer<ffmpeg::frame_message_t>    muxed_frames_;\r
 178 \r
 179         const core::video_format_desc           format_desc_;\r
 180         const size_t                                            device_index_;\r
 181 \r
 182         safe_ptr<core::basic_frame>                     last_frame_;\r
 183         const int64_t                                           length_;\r
 184 \r
 185         ffmpeg::filter                                          filter_;\r
 186                 \r
 187         ffmpeg::frame_muxer2                            muxer_;\r
 188 \r
 189         mutable Concurrency::single_assignment<std::wstring> print_;\r
 190 \r
 191         safe_ptr<Concurrency::semaphore> semaphore_;\r
 192 \r
 193         volatile bool is_running_;\r
 194 public:\r
 195 \r
 196         explicit decklink_producer_proxy(const safe_ptr<core::frame_factory>& frame_factory, const core::video_format_desc& format_desc, size_t device_index, const std::wstring& filter_str, int64_t length)\r
 197                 : video_frames_(1)\r
 198                 , audio_buffers_(1)\r
 199                 , muxed_frames_(1)\r
 200                 , format_desc_(format_desc)\r
 201                 , device_index_(device_index)\r
 202                 , last_frame_(core::basic_frame::empty())\r
 203                 , length_(length)\r
 204                 , filter_(filter_str)\r
 205                 , muxer_(&video_frames_, &audio_buffers_, muxed_frames_, ffmpeg::double_rate(filter_str) ? format_desc.fps * 2.0 : format_desc.fps, frame_factory)\r
 206                 , is_running_(true)\r
 207                 , semaphore_(make_safe<Concurrency::semaphore>(3))\r
 208         {\r
 209                 agent::start();\r
 210         }\r
 211 \r
 212         ~decklink_producer_proxy()\r
 213         {\r
 214                 is_running_ = false;\r
 215                 agent::wait(this);\r
 216         }\r
 217                                 \r
 218         virtual safe_ptr<core::basic_frame> receive(int)\r
 219         {\r
 220                 auto frame = core::basic_frame::late();\r
 221 \r
 222                 try\r
 223                 {\r
 224                         last_frame_ = frame = Concurrency::receive(muxed_frames_)->payload;\r
 225                 }\r
 226                 catch(Concurrency::operation_timed_out&)\r
 227                 {               \r
 228                         //graph_->add_tag("underflow"); \r
 229                 }\r
 230 \r
 231                 return frame;\r
 232         }\r
 233 \r
 234         virtual safe_ptr<core::basic_frame> last_frame() const\r
 235         {\r
 236                 return disable_audio(last_frame_);\r
 237         }\r
 238         \r
 239         virtual int64_t nb_frames() const \r
 240         {\r
 241                 return length_;\r
 242         }\r
 243         \r
 244         std::wstring print() const\r
 245         {\r
 246                 return print_.value();\r
 247         }\r
 248 \r
 249         virtual void run()\r
 250         {\r
 251                 try\r
 252                 {\r
 253                         struct co_init\r
 254                         {\r
 255                                 co_init()  {CoInitialize(NULL);}\r
 256                                 ~co_init() {CoUninitialize();}\r
 257                         } init;\r
 258                         \r
 259                         Concurrency::bounded_buffer<frame_packet> input_buffer(2);\r
 260 \r
 261                         std::unique_ptr<decklink_producer> producer;\r
 262                         {                               \r
 263                                 Concurrency::scoped_oversubcription_token oversubscribe;\r
 264                                 producer.reset(new decklink_producer(input_buffer, format_desc_, device_index_));\r
 265                         }\r
 266 \r
 267                         Concurrency::send(print_, producer->print());\r
 268 \r
 269                         while(is_running_)\r
 270                         {\r
 271                                 auto packet = Concurrency::receive(input_buffer);\r
 272                                 auto video  = packet.first;\r
 273                                 auto audio  = packet.second;\r
 274                                 \r
 275                                 void* bytes = nullptr;\r
 276                                 if(FAILED(video->GetBytes(&bytes)) || !bytes)\r
 277                                         continue;\r
 278                         \r
 279                                 safe_ptr<AVFrame> av_frame(avcodec_alloc_frame(), av_free);     \r
 280                                 avcodec_get_frame_defaults(av_frame.get());\r
 281                                                 \r
 282                                 av_frame->data[0]                       = reinterpret_cast<uint8_t*>(bytes);\r
 283                                 av_frame->linesize[0]           = video->GetRowBytes();                 \r
 284                                 av_frame->format                        = PIX_FMT_UYVY422;\r
 285                                 av_frame->width                         = video->GetWidth();\r
 286                                 av_frame->height                        = video->GetHeight();\r
 287                                 av_frame->interlaced_frame      = format_desc_.field_mode != core::field_mode::progressive;\r
 288                                 av_frame->top_field_first       = format_desc_.field_mode == core::field_mode::upper ? 1 : 0;\r
 289                                         \r
 290                                 filter_.push(av_frame);\r
 291 \r
 292                                 Concurrency::parallel_invoke(\r
 293                                 [&]\r
 294                                 {\r
 295                                         while(true)\r
 296                                         {\r
 297                                                 auto frame = filter_.poll();\r
 298                                                 if(!frame)\r
 299                                                         break;\r
 300                                                 Concurrency::send(video_frames_, ffmpeg::make_message(frame, std::make_shared<ffmpeg::token>(semaphore_)));\r
 301                                         }\r
 302                                 },\r
 303                                 [&]\r
 304                                 {                                                                                                       \r
 305                                         // It is assumed that audio is always equal or ahead of video.\r
 306                                         if(audio && SUCCEEDED(audio->GetBytes(&bytes)))\r
 307                                         {\r
 308                                                 auto sample_frame_count = audio->GetSampleFrameCount();\r
 309                                                 auto audio_data = reinterpret_cast<int32_t*>(bytes);\r
 310                                                 Concurrency::send(audio_buffers_, ffmpeg::make_message(std::make_shared<core::audio_buffer>(audio_data, audio_data + sample_frame_count*format_desc_.audio_channels), std::make_shared<ffmpeg::token>(semaphore_)));\r
 311                                         }\r
 312                                         else\r
 313                                                 Concurrency::send(audio_buffers_, ffmpeg::make_message(ffmpeg::empty_audio(), std::make_shared<ffmpeg::token>(semaphore_)));    \r
 314                                 });\r
 315                         }\r
 316 \r
 317                 }\r
 318                 catch(...)\r
 319                 {\r
 320                         CASPAR_LOG_CURRENT_EXCEPTION();\r
 321                 }\r
 322                 \r
 323                 CASPAR_LOG(info) << print() << L" Successfully Uninitialized."; \r
 324 \r
 325                 done();\r
 326         }\r
 327 };\r
 328 \r
 329 safe_ptr<core::frame_producer> create_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::vector<std::wstring>& params)\r
 330 {\r
 331         if(params.empty() || !boost::iequals(params[0], "decklink"))\r
 332                 return core::frame_producer::empty();\r
 333 \r
 334         auto device_index       = core::get_param(L"DEVICE", params, 1);\r
 335         auto filter_str         = core::get_param<std::wstring>(L"FILTER", params, L"");        \r
 336         auto length                     = core::get_param(L"LENGTH", params, std::numeric_limits<int64_t>::max());      \r
 337         \r
 338         boost::replace_all(filter_str, L"DEINTERLACE", L"YADIF=0:-1");\r
 339         boost::replace_all(filter_str, L"DEINTERLACE_BOB", L"YADIF=1:-1");\r
 340 \r
 341         auto format_desc        = core::video_format_desc::get(core::get_param<std::wstring>(L"FORMAT", params, L"INVALID"));\r
 342 \r
 343         if(format_desc.format == core::video_format::invalid)\r
 344                 format_desc = frame_factory->get_video_format_desc();\r
 345                         \r
 346         return make_safe<decklink_producer_proxy>(frame_factory, format_desc, device_index, filter_str, length);\r
 347 }\r
 348 \r
 349 }}