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/util.h"\r
  30 #include "../../ffmpeg/producer/muxer/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 \r
  36 #include <core/mixer/write_frame.h>\r
  37 #include <core/producer/frame/frame_transform.h>\r
  38 #include <core/producer/frame/frame_factory.h>\r
  39 \r
  40 #include <agents.h>\r
  41 #include <agents_extras.h>\r
  42 #include <ppl.h>\r
  43 \r
  44 #include <boost/algorithm/string.hpp>\r
  45 #include <boost/timer.hpp>\r
  46 \r
  47 #if defined(_MSC_VER)\r
  48 #pragma warning (push)\r
  49 #pragma warning (disable : 4244)\r
  50 #endif\r
  51 extern "C" \r
  52 {\r
  53         #define __STDC_CONSTANT_MACROS\r
  54         #define __STDC_LIMIT_MACROS\r
  55         #include <libavcodec/avcodec.h>\r
  56 }\r
  57 #if defined(_MSC_VER)\r
  58 #pragma warning (pop)\r
  59 #endif\r
  60 \r
  61 #pragma warning(push)\r
  62 #pragma warning(disable : 4996)\r
  63 \r
  64         #include <atlbase.h>\r
  65 \r
  66         #include <atlcom.h>\r
  67         #include <atlhost.h>\r
  68 \r
  69 #pragma warning(push)\r
  70 \r
  71 #include <algorithm>\r
  72 #include <functional>\r
  73 \r
  74 namespace caspar { namespace decklink {\r
  75                 \r
  76 typedef std::pair<CComPtr<IDeckLinkVideoInputFrame>, CComPtr<IDeckLinkAudioInputPacket>> frame_packet;\r
  77 \r
  78 class decklink_producer : boost::noncopyable, public IDeckLinkInputCallback\r
  79 {       \r
  80         Concurrency::ITarget<frame_packet>&     target_;\r
  81 \r
  82         CComPtr<IDeckLink>                                      decklink_;\r
  83         CComQIPtr<IDeckLinkInput>                       input_;\r
  84         \r
  85         const std::wstring                                      model_name_;\r
  86         const core::video_format_desc           format_desc_;\r
  87         const size_t                                            device_index_;\r
  88 \r
  89         safe_ptr<diagnostics::graph>            graph_;\r
  90         boost::timer                                            tick_timer_;\r
  91         boost::timer                                            frame_timer_;\r
  92 \r
  93 public:\r
  94         decklink_producer(Concurrency::ITarget<frame_packet>& target, const core::video_format_desc& format_desc, size_t device_index)\r
  95                 : target_(target)\r
  96                 , decklink_(get_device(device_index))\r
  97                 , input_(decklink_)\r
  98                 , model_name_(get_model_name(decklink_))\r
  99                 , format_desc_(format_desc)\r
 100                 , device_index_(device_index)\r
 101         {               \r
 102                 graph_->add_guide("tick-time", 0.5);\r
 103                 graph_->set_color("tick-time", diagnostics::color(0.0f, 0.6f, 0.9f));   \r
 104                 graph_->set_color("late-frame", diagnostics::color(0.6f, 0.3f, 0.3f));\r
 105                 graph_->set_color("frame-time", diagnostics::color(1.0f, 0.0f, 0.0f));\r
 106                 graph_->set_color("dropped-frame", diagnostics::color(0.3f, 0.6f, 0.3f));\r
 107                 graph_->set_color("output-buffer", diagnostics::color(0.0f, 1.0f, 0.0f));\r
 108                 graph_->set_text(narrow(print()));\r
 109                 diagnostics::register_graph(graph_);\r
 110 \r
 111                 auto display_mode = get_display_mode(input_, format_desc_.format, bmdFormat8BitYUV, bmdVideoInputFlagDefault);\r
 112                 \r
 113                 // NOTE: bmdFormat8BitARGB is currently not supported by any decklink card. (2011-05-08)\r
 114                 if(FAILED(input_->EnableVideoInput(display_mode, bmdFormat8BitYUV, 0))) \r
 115                         BOOST_THROW_EXCEPTION(caspar_exception() \r
 116                                                                         << msg_info(narrow(print()) + " Could not enable video input.")\r
 117                                                                         << boost::errinfo_api_function("EnableVideoInput"));\r
 118 \r
 119                 if(FAILED(input_->EnableAudioInput(bmdAudioSampleRate48kHz, bmdAudioSampleType32bitInteger, format_desc_.audio_channels))) \r
 120                         BOOST_THROW_EXCEPTION(caspar_exception() \r
 121                                                                         << msg_info(narrow(print()) + " Could not enable audio input.")\r
 122                                                                         << boost::errinfo_api_function("EnableAudioInput"));\r
 123                         \r
 124                 if (FAILED(input_->SetCallback(this)) != S_OK)\r
 125                         BOOST_THROW_EXCEPTION(caspar_exception() \r
 126                                                                         << msg_info(narrow(print()) + " Failed to set input callback.")\r
 127                                                                         << boost::errinfo_api_function("SetCallback"));\r
 128                         \r
 129                 if(FAILED(input_->StartStreams()))\r
 130                         BOOST_THROW_EXCEPTION(caspar_exception() \r
 131                                                                         << msg_info(narrow(print()) + " Failed to start input stream.")\r
 132                                                                         << boost::errinfo_api_function("StartStreams"));\r
 133 \r
 134                 CASPAR_LOG(info) << print() << L" Successfully Initialized.";\r
 135         }\r
 136 \r
 137         ~decklink_producer()\r
 138         {\r
 139                 Concurrency::scoped_oversubcription_token oversubscribe;\r
 140                 if(input_ != nullptr) \r
 141                 {\r
 142                         input_->StopStreams();\r
 143                         input_->DisableVideoInput();\r
 144                 }\r
 145         }\r
 146 \r
 147         virtual HRESULT STDMETHODCALLTYPE       QueryInterface (REFIID, LPVOID*)        {return E_NOINTERFACE;}\r
 148         virtual ULONG STDMETHODCALLTYPE         AddRef ()                                                       {return 1;}\r
 149         virtual ULONG STDMETHODCALLTYPE         Release ()                                                      {return 1;}\r
 150                 \r
 151         virtual HRESULT STDMETHODCALLTYPE VideoInputFormatChanged(BMDVideoInputFormatChangedEvents /*notificationEvents*/, IDeckLinkDisplayMode* newDisplayMode, BMDDetectedVideoInputFormatFlags /*detectedSignalFlags*/)\r
 152         {\r
 153                 return S_OK;\r
 154         }\r
 155 \r
 156         virtual HRESULT STDMETHODCALLTYPE VideoInputFrameArrived(IDeckLinkVideoInputFrame* video, IDeckLinkAudioInputPacket* audio)\r
 157         {       \r
 158                 if(!Concurrency::asend(target_, frame_packet(CComPtr<IDeckLinkVideoInputFrame>(video), CComPtr<IDeckLinkAudioInputPacket>(audio))))\r
 159                         graph_->add_tag("dropped-frame");\r
 160                 return S_OK;\r
 161         }\r
 162                 \r
 163         std::wstring print() const\r
 164         {\r
 165                 return model_name_ + L" [" + boost::lexical_cast<std::wstring>(device_index_) + L"]";\r
 166         }\r
 167 };\r
 168         \r
 169 class decklink_producer_proxy : public Concurrency::agent, public core::frame_producer\r
 170 {               \r
 171         safe_ptr<diagnostics::graph>                                                                                            graph_;\r
 172 \r
 173         Concurrency::unbounded_buffer<ffmpeg::frame_muxer2::video_source_element_t>     video_frames_;\r
 174         Concurrency::unbounded_buffer<ffmpeg::frame_muxer2::audio_source_element_t>     audio_buffers_;\r
 175         Concurrency::overwrite_buffer<ffmpeg::frame_muxer2::target_element_t>           muxed_frames_;\r
 176 \r
 177         const core::video_format_desc           format_desc_;\r
 178         const size_t                                            device_index_;\r
 179 \r
 180         safe_ptr<core::basic_frame>                     last_frame_;\r
 181         const int64_t                                           length_;\r
 182                         \r
 183         ffmpeg::frame_muxer2                            muxer_;\r
 184 \r
 185         mutable Concurrency::single_assignment<std::wstring> print_;\r
 186         \r
 187         tbb::atomic<bool> is_running_;\r
 188 public:\r
 189 \r
 190         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
 191                 : muxed_frames_(1)\r
 192                 , format_desc_(format_desc)\r
 193                 , device_index_(device_index)\r
 194                 , last_frame_(core::basic_frame::empty())\r
 195                 , length_(length)\r
 196                 , muxer_(&video_frames_, &audio_buffers_, muxed_frames_, format_desc.fps, frame_factory)\r
 197         {\r
 198                 diagnostics::register_graph(graph_);\r
 199                 is_running_ = true;\r
 200                 agent::start();\r
 201         }\r
 202 \r
 203         ~decklink_producer_proxy()\r
 204         {\r
 205                 is_running_ = false;\r
 206                 agent::wait(this);\r
 207         }\r
 208                                 \r
 209         virtual safe_ptr<core::basic_frame> receive(int)\r
 210         {\r
 211                 auto frame = core::basic_frame::late();\r
 212 \r
 213                 try\r
 214                 {\r
 215                         last_frame_ = frame = Concurrency::receive(muxed_frames_, 10).first;\r
 216                 }\r
 217                 catch(Concurrency::operation_timed_out&)\r
 218                 {               \r
 219                         graph_->add_tag("underflow");   \r
 220                 }\r
 221 \r
 222                 return frame;\r
 223         }\r
 224 \r
 225         virtual safe_ptr<core::basic_frame> last_frame() const\r
 226         {\r
 227                 return disable_audio(last_frame_);\r
 228         }\r
 229         \r
 230         virtual int64_t nb_frames() const \r
 231         {\r
 232                 return length_;\r
 233         }\r
 234         \r
 235         std::wstring print() const\r
 236         {\r
 237                 return print_.value();\r
 238         }\r
 239 \r
 240         virtual void run()\r
 241         {\r
 242                 try\r
 243                 {\r
 244                         struct co_init\r
 245                         {\r
 246                                 co_init()  {CoInitialize(NULL);}\r
 247                                 ~co_init() {CoUninitialize();}\r
 248                         } init;\r
 249                         \r
 250                         Concurrency::overwrite_buffer<frame_packet> input_buffer;\r
 251 \r
 252                         std::unique_ptr<decklink_producer> producer;\r
 253                         {                               \r
 254                                 Concurrency::scoped_oversubcription_token oversubscribe;\r
 255                                 producer.reset(new decklink_producer(input_buffer, format_desc_, device_index_));\r
 256                         }\r
 257 \r
 258                         Concurrency::send(print_, producer->print());\r
 259 \r
 260                         while(is_running_)\r
 261                         {\r
 262                                 auto packet = Concurrency::receive(input_buffer);\r
 263                                 auto video  = packet.first;\r
 264                                 auto audio  = packet.second;\r
 265                                 \r
 266                                 void* bytes = nullptr;\r
 267                                 if(FAILED(video->GetBytes(&bytes)) || !bytes)\r
 268                                         continue;\r
 269                         \r
 270                                 safe_ptr<AVFrame> av_frame(avcodec_alloc_frame(), av_free);     \r
 271                                 avcodec_get_frame_defaults(av_frame.get());\r
 272                                                 \r
 273                                 av_frame->data[0]                       = reinterpret_cast<uint8_t*>(bytes);\r
 274                                 av_frame->linesize[0]           = video->GetRowBytes();                 \r
 275                                 av_frame->format                        = PIX_FMT_UYVY422;\r
 276                                 av_frame->width                         = video->GetWidth();\r
 277                                 av_frame->height                        = video->GetHeight();\r
 278                                 av_frame->interlaced_frame      = format_desc_.field_mode != core::field_mode::progressive;\r
 279                                 av_frame->top_field_first       = format_desc_.field_mode == core::field_mode::upper ? 1 : 0;\r
 280                                         \r
 281                                 Concurrency::send(video_frames_, av_frame);                                     \r
 282                                 \r
 283                                 // It is assumed that audio is always equal or ahead of video.\r
 284                                 if(audio && SUCCEEDED(audio->GetBytes(&bytes)))\r
 285                                 {\r
 286                                         auto sample_frame_count = audio->GetSampleFrameCount();\r
 287                                         auto audio_data = reinterpret_cast<int32_t*>(bytes);\r
 288                                         Concurrency::send(audio_buffers_, make_safe<core::audio_buffer>(audio_data, audio_data + sample_frame_count*format_desc_.audio_channels));\r
 289                                 }\r
 290                                 else\r
 291                                         Concurrency::send(audio_buffers_, make_safe<core::audio_buffer>(format_desc_.audio_samples_per_frame, 0));      \r
 292                         }\r
 293 \r
 294                 }\r
 295                 catch(...)\r
 296                 {\r
 297                         CASPAR_LOG_CURRENT_EXCEPTION();\r
 298                 }\r
 299                 \r
 300                 CASPAR_LOG(info) << print() << L" Successfully Uninitialized."; \r
 301 \r
 302                 done();\r
 303         }\r
 304 };\r
 305 \r
 306 safe_ptr<core::frame_producer> create_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::vector<std::wstring>& params)\r
 307 {\r
 308         if(params.empty() || !boost::iequals(params[0], "decklink"))\r
 309                 return core::frame_producer::empty();\r
 310         \r
 311         std::vector<std::wstring> params2 = params;\r
 312         std::for_each(std::begin(params2), std::end(params2), std::bind(&boost::to_upper<std::wstring>, std::placeholders::_1, std::locale()));\r
 313 \r
 314         auto device_index       = core::get_param(L"DEVICE", params2, 1);\r
 315         auto filter_str         = core::get_param<std::wstring>(L"FILTER", params2, L"");       \r
 316         auto length                     = core::get_param(L"LENGTH", params2, std::numeric_limits<int64_t>::max());     \r
 317         \r
 318         boost::replace_all(filter_str, L"DEINTERLACE", L"YADIF=0:-1");\r
 319         boost::replace_all(filter_str, L"DEINTERLACE_BOB", L"YADIF=1:-1");\r
 320 \r
 321         auto format_desc        = core::video_format_desc::get(core::get_param<std::wstring>(L"FORMAT", params2, L"INVALID"));\r
 322 \r
 323         if(format_desc.format == core::video_format::invalid)\r
 324                 format_desc = frame_factory->get_video_format_desc();\r
 325                         \r
 326         return make_safe<decklink_producer_proxy>(frame_factory, format_desc, device_index, filter_str, length);\r
 327 }\r
 328 \r
 329 }}