git.sesse.net Git - casparcg/blob - modules/decklink/producer/decklink_producer.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: Robert Nagy, ronag89@gmail.com
  20 */
  21
  22 #include "../stdafx.h"
  23
  24 #include "decklink_producer.h"
  25
  26 #include "../interop/DeckLinkAPI_h.h"
  27 #include "../util/util.h"
  28
  29 #include "../../ffmpeg/producer/filter/filter.h"
  30 #include "../../ffmpeg/producer/util/util.h"
  31 #include "../../ffmpeg/producer/muxer/frame_muxer.h"
  32 #include "../../ffmpeg/producer/muxer/display_mode.h"
  33
  34 #include <common/executor.h>
  35 #include <common/diagnostics/graph.h>
  36 #include <common/except.h>
  37 #include <common/log.h>
  38 #include <common/param.h>
  39
  40 #include <core/frame/frame.h>
  41 #include <core/frame/draw_frame.h>
  42 #include <core/frame/frame_transform.h>
  43 #include <core/frame/frame_factory.h>
  44 #include <core/monitor/monitor.h>
  45 #include <core/mixer/audio/audio_mixer.h>
  46
  47 #include <tbb/concurrent_queue.h>
  48
  49 #include <boost/algorithm/string.hpp>
  50 #include <boost/property_tree/ptree.hpp>
  51 #include <boost/timer.hpp>
  52
  53 #if defined(_MSC_VER)
  54 #pragma warning (push)
  55 #pragma warning (disable : 4244)
  56 #endif
  57 extern "C"
  58 {
  59         #define __STDC_CONSTANT_MACROS
  60         #define __STDC_LIMIT_MACROS
  61         #include <libavcodec/avcodec.h>
  62 }
  63 #if defined(_MSC_VER)
  64 #pragma warning (pop)
  65 #endif
  66
  67 #pragma warning(push)
  68 #pragma warning(disable : 4996)
  69
  70         #include <atlbase.h>
  71
  72         #include <atlcom.h>
  73         #include <atlhost.h>
  74
  75 #pragma warning(push)
  76
  77 #include <functional>
  78
  79 namespace caspar { namespace decklink {
  80
  81 class decklink_producer : boost::noncopyable, public IDeckLinkInputCallback
  82 {
  83         const int                                                                               device_index_;
  84         core::monitor::subject                                                  monitor_subject_;
  85         spl::shared_ptr<diagnostics::graph>                             graph_;
  86         boost::timer                                                                    tick_timer_;
  87
  88         CComPtr<IDeckLink>                                                              decklink_                       = get_device(device_index_);
  89         CComQIPtr<IDeckLinkInput>                                               input_                          = decklink_;
  90         CComQIPtr<IDeckLinkAttributes >                                 attributes_                     = decklink_;
  91
  92         const std::wstring                                                              model_name_                     = get_model_name(decklink_);
  93         const std::wstring                                                              filter_;
  94
  95         core::video_format_desc                                                 in_format_desc_;
  96         core::video_format_desc                                                 out_format_desc_;
  97         std::vector<int>                                                                audio_cadence_          = out_format_desc_.audio_cadence;
  98         boost::circular_buffer<size_t>                                  sync_buffer_            { audio_cadence_.size() };
  99         spl::shared_ptr<core::frame_factory>                    frame_factory_;
 100         ffmpeg::frame_muxer                                                             muxer_                          { in_format_desc_.fps, frame_factory_, out_format_desc_, filter_ };
 101
 102         core::constraints                                                               constraints_            { in_format_desc_.width, in_format_desc_.height };
 103
 104         tbb::concurrent_bounded_queue<core::draw_frame> frame_buffer_;
 105
 106         std::exception_ptr                                                              exception_;
 107
 108 public:
 109         decklink_producer(
 110                         const core::video_format_desc& in_format_desc,
 111                         int device_index,
 112                         const spl::shared_ptr<core::frame_factory>& frame_factory,
 113                         const core::video_format_desc& out_format_desc,
 114                         const std::wstring& filter)
 115                 : device_index_(device_index)
 116                 , filter_(filter)
 117                 , in_format_desc_(in_format_desc)
 118                 , out_format_desc_(out_format_desc)
 119                 , frame_factory_(frame_factory)
 120         {
 121                 frame_buffer_.set_capacity(2);
 122
 123                 graph_->set_color("tick-time", diagnostics::color(0.0f, 0.6f, 0.9f));
 124                 graph_->set_color("late-frame", diagnostics::color(0.6f, 0.3f, 0.3f));
 125                 graph_->set_color("frame-time", diagnostics::color(1.0f, 0.0f, 0.0f));
 126                 graph_->set_color("dropped-frame", diagnostics::color(0.3f, 0.6f, 0.3f));
 127                 graph_->set_color("output-buffer", diagnostics::color(0.0f, 1.0f, 0.0f));
 128                 graph_->set_text(print());
 129                 diagnostics::register_graph(graph_);
 130
 131                 auto display_mode = get_display_mode(input_, in_format_desc.format, bmdFormat8BitYUV, bmdVideoInputFlagDefault);
 132
 133                 // NOTE: bmdFormat8BitARGB is currently not supported by any decklink card. (2011-05-08)
 134                 if(FAILED(input_->EnableVideoInput(display_mode, bmdFormat8BitYUV, 0)))
 135                         CASPAR_THROW_EXCEPTION(caspar_exception()
 136                                                                         << msg_info(print() + L" Could not enable video input.")
 137                                                                         << boost::errinfo_api_function("EnableVideoInput"));
 138
 139                 if(FAILED(input_->EnableAudioInput(bmdAudioSampleRate48kHz, bmdAudioSampleType32bitInteger, static_cast<int>(in_format_desc.audio_channels))))
 140                         CASPAR_THROW_EXCEPTION(caspar_exception()
 141                                                                         << msg_info(print() + L" Could not enable audio input.")
 142                                                                         << boost::errinfo_api_function("EnableAudioInput"));
 143
 144                 if (FAILED(input_->SetCallback(this)) != S_OK)
 145                         CASPAR_THROW_EXCEPTION(caspar_exception()
 146                                                                         << msg_info(print() + L" Failed to set input callback.")
 147                                                                         << boost::errinfo_api_function("SetCallback"));
 148
 149                 if(FAILED(input_->StartStreams()))
 150                         CASPAR_THROW_EXCEPTION(caspar_exception()
 151                                                                         << msg_info(print() + L" Failed to start input stream.")
 152                                                                         << boost::errinfo_api_function("StartStreams"));
 153
 154                 CASPAR_LOG(info) << print() << L" Initialized";
 155         }
 156
 157         ~decklink_producer()
 158         {
 159                 if(input_ != nullptr)
 160                 {
 161                         input_->StopStreams();
 162                         input_->DisableVideoInput();
 163                 }
 164         }
 165
 166         core::constraints& pixel_constraints()
 167         {
 168                 return constraints_;
 169         }
 170
 171         virtual HRESULT STDMETHODCALLTYPE       QueryInterface (REFIID, LPVOID*)        {return E_NOINTERFACE;}
 172         virtual ULONG STDMETHODCALLTYPE         AddRef ()                                                       {return 1;}
 173         virtual ULONG STDMETHODCALLTYPE         Release ()                                                      {return 1;}
 174
 175         virtual HRESULT STDMETHODCALLTYPE VideoInputFormatChanged(BMDVideoInputFormatChangedEvents /*notificationEvents*/, IDeckLinkDisplayMode* newDisplayMode, BMDDetectedVideoInputFormatFlags /*detectedSignalFlags*/)
 176         {
 177                 return S_OK;
 178         }
 179
 180         virtual HRESULT STDMETHODCALLTYPE VideoInputFrameArrived(IDeckLinkVideoInputFrame* video, IDeckLinkAudioInputPacket* audio)
 181         {
 182                 if(!video)
 183                         return S_OK;
 184
 185                 try
 186                 {
 187                         graph_->set_value("tick-time", tick_timer_.elapsed()*out_format_desc_.fps*0.5);
 188                         tick_timer_.restart();
 189
 190                         boost::timer frame_timer;
 191
 192                         // Video
 193
 194                         void* video_bytes = nullptr;
 195                         if(FAILED(video->GetBytes(&video_bytes)) || !video_bytes)
 196                                 return S_OK;
 197
 198                         auto video_frame = ffmpeg::create_frame();
 199
 200                         video_frame->data[0]                    = reinterpret_cast<uint8_t*>(video_bytes);
 201                         video_frame->linesize[0]                = video->GetRowBytes();
 202                         video_frame->format                             = PIX_FMT_UYVY422;
 203                         video_frame->width                              = video->GetWidth();
 204                         video_frame->height                             = video->GetHeight();
 205                         video_frame->interlaced_frame   = in_format_desc_.field_mode != core::field_mode::progressive;
 206                         video_frame->top_field_first    = in_format_desc_.field_mode == core::field_mode::upper ? 1 : 0;
 207
 208                         monitor_subject_
 209                                         << core::monitor::message("/file/name")                                 % model_name_
 210                                         << core::monitor::message("/file/path")                                 % device_index_
 211                                         << core::monitor::message("/file/video/width")                  % video->GetWidth()
 212                                         << core::monitor::message("/file/video/height")                 % video->GetHeight()
 213                                         << core::monitor::message("/file/video/field")                  % u8(!video_frame->interlaced_frame ? "progressive" : (video_frame->top_field_first ? "upper" : "lower"))
 214                                         << core::monitor::message("/file/audio/sample-rate")    % 48000
 215                                         << core::monitor::message("/file/audio/channels")               % 2
 216                                         << core::monitor::message("/file/audio/format")                 % u8(av_get_sample_fmt_name(AV_SAMPLE_FMT_S32))
 217                                         << core::monitor::message("/file/fps")                                  % in_format_desc_.fps;
 218
 219                         // Audio
 220
 221                         void* audio_bytes = nullptr;
 222                         if(FAILED(audio->GetBytes(&audio_bytes)) || !audio_bytes)
 223                                 return S_OK;
 224
 225                         auto audio_frame = ffmpeg::create_frame();
 226
 227                         audio_frame->data[0]            = reinterpret_cast<uint8_t*>(audio_bytes);
 228                         audio_frame->linesize[0]        = audio->GetSampleFrameCount()*out_format_desc_.audio_channels*sizeof(int32_t);
 229                         audio_frame->nb_samples         = audio->GetSampleFrameCount();
 230                         audio_frame->format                     = AV_SAMPLE_FMT_S32;
 231
 232                         // Note: Uses 1 step rotated cadence for 1001 modes (1602, 1602, 1601, 1602, 1601)
 233                         // This cadence fills the audio mixer most optimally.
 234
 235                         sync_buffer_.push_back(audio->GetSampleFrameCount());
 236                         if(!boost::range::equal(sync_buffer_, audio_cadence_))
 237                         {
 238                                 CASPAR_LOG(trace) << print() << L" Syncing audio.";
 239                                 return S_OK;
 240                         }
 241                         boost::range::rotate(audio_cadence_, std::begin(audio_cadence_)+1);
 242
 243                         // PUSH
 244
 245                         muxer_.push_video(video_frame);
 246                         muxer_.push_audio(audio_frame);
 247
 248                         // POLL
 249
 250                         auto frame = core::draw_frame::late();
 251                         if(!muxer_.empty())
 252                         {
 253                                 frame = std::move(muxer_.front());
 254                                 muxer_.pop();
 255
 256                                 if(!frame_buffer_.try_push(frame))
 257                                 {
 258                                         auto dummy = core::draw_frame::empty();
 259                                         frame_buffer_.try_pop(dummy);
 260                                         frame_buffer_.try_push(frame);
 261
 262                                         graph_->set_tag("dropped-frame");
 263                                 }
 264                         }
 265
 266                         graph_->set_value("frame-time", frame_timer.elapsed()*out_format_desc_.fps*0.5);
 267                         monitor_subject_ << core::monitor::message("/profiler/time") % frame_timer.elapsed() % out_format_desc_.fps;
 268
 269                         graph_->set_value("output-buffer", static_cast<float>(frame_buffer_.size())/static_cast<float>(frame_buffer_.capacity()));
 270                         monitor_subject_ << core::monitor::message("/buffer") % frame_buffer_.size() % frame_buffer_.capacity();
 271                 }
 272                 catch(...)
 273                 {
 274                         exception_ = std::current_exception();
 275                         return E_FAIL;
 276                 }
 277
 278                 return S_OK;
 279         }
 280
 281         core::draw_frame get_frame()
 282         {
 283                 if(exception_ != nullptr)
 284                         std::rethrow_exception(exception_);
 285
 286                 core::draw_frame frame = core::draw_frame::late();
 287                 if(!frame_buffer_.try_pop(frame))
 288                         graph_->set_tag("late-frame");
 289                 graph_->set_value("output-buffer", static_cast<float>(frame_buffer_.size())/static_cast<float>(frame_buffer_.capacity()));
 290                 return frame;
 291         }
 292
 293         std::wstring print() const
 294         {
 295                 return model_name_ + L" [" + boost::lexical_cast<std::wstring>(device_index_) + L"|" + in_format_desc_.name + L"]";
 296         }
 297
 298         core::monitor::subject& monitor_output()
 299         {
 300                 return monitor_subject_;
 301         }
 302 };
 303
 304 class decklink_producer_proxy : public core::frame_producer_base
 305 {
 306         std::unique_ptr<decklink_producer>      producer_;
 307         const uint32_t                                          length_;
 308         executor                                                        executor_;
 309 public:
 310         explicit decklink_producer_proxy(const core::video_format_desc& in_format_desc,
 311                                                                          const spl::shared_ptr<core::frame_factory>& frame_factory,
 312                                                                          const core::video_format_desc& out_format_desc,
 313                                                                          int device_index,
 314                                                                          const std::wstring& filter_str, uint32_t length)
 315                 : executor_(L"decklink_producer[" + boost::lexical_cast<std::wstring>(device_index) + L"]")
 316                 , length_(length)
 317         {
 318                 executor_.invoke([=]
 319                 {
 320                         CoInitialize(nullptr);
 321                         producer_.reset(new decklink_producer(in_format_desc, device_index, frame_factory, out_format_desc, filter_str));
 322                 });
 323         }
 324
 325         ~decklink_producer_proxy()
 326         {
 327                 executor_.invoke([=]
 328                 {
 329                         producer_.reset();
 330                         CoUninitialize();
 331                 });
 332         }
 333
 334         core::monitor::subject& monitor_output()
 335         {
 336                 return producer_->monitor_output();
 337         }
 338
 339         // frame_producer
 340
 341         core::draw_frame receive_impl() override
 342         {
 343                 return producer_->get_frame();
 344         }
 345
 346         core::constraints& pixel_constraints() override
 347         {
 348                 return producer_->pixel_constraints();
 349         }
 350
 351         uint32_t nb_frames() const override
 352         {
 353                 return length_;
 354         }
 355
 356         std::wstring print() const override
 357         {
 358                 return producer_->print();
 359         }
 360
 361         std::wstring name() const override
 362         {
 363                 return L"decklink";
 364         }
 365
 366         boost::property_tree::wptree info() const override
 367         {
 368                 boost::property_tree::wptree info;
 369                 info.add(L"type", L"decklink");
 370                 return info;
 371         }
 372 };
 373
 374 spl::shared_ptr<core::frame_producer> create_producer(const spl::shared_ptr<core::frame_factory>& frame_factory, const core::video_format_desc& out_format_desc, const std::vector<std::wstring>& params)
 375 {
 376         if(params.empty() || !boost::iequals(params[0], "decklink"))
 377                 return core::frame_producer::empty();
 378
 379         auto device_index       = get_param(L"DEVICE", params, -1);
 380         if(device_index == -1)
 381                 device_index = boost::lexical_cast<int>(params.at(1));
 382
 383         auto filter_str         = get_param(L"FILTER", params);
 384         auto length                     = get_param(L"LENGTH", params, std::numeric_limits<uint32_t>::max());
 385         auto in_format_desc = core::video_format_desc(get_param(L"FORMAT", params, L"INVALID"));
 386
 387         if(in_format_desc.format == core::video_format::invalid)
 388                 in_format_desc = out_format_desc;
 389
 390         return create_destroy_proxy(spl::make_shared<decklink_producer_proxy>(in_format_desc, frame_factory, out_format_desc, device_index, filter_str, length));
 391 }
 392
 393 }}