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