src/lib/grok/context.h

   1 /*
   2     Copyright (C) 2023 Grok Image Compression Inc.
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic 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 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic 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 DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21 #pragma once
  22
  23 #include "../config.h"
  24 #include "../dcp_video.h"
  25 #include "../log.h"
  26 #include "../dcpomatic_log.h"
  27 #include "../writer.h"
  28 #include "messenger.h"
  29
  30 class Film;
  31 using dcp::Data;
  32 using namespace dcpomatic;
  33
  34 static std::mutex launchMutex;
  35
  36 namespace grk_plugin
  37 {
  38
  39 struct GrokLogger : public MessengerLogger {
  40         explicit GrokLogger(const std::string &preamble) : MessengerLogger(preamble)
  41         {}
  42         virtual ~GrokLogger() = default;
  43         void info(const char* fmt, ...) override{
  44                 va_list arg;
  45                 va_start(arg, fmt);
  46                 dcpomatic_log->log(preamble_ + log_message(fmt, arg),LogEntry::TYPE_GENERAL);
  47                 va_end(arg);
  48         }
  49         void warn(const char* fmt, ...) override{
  50                 va_list arg;
  51                 va_start(arg, fmt);
  52                 dcpomatic_log->log(preamble_ + log_message(fmt, arg),LogEntry::TYPE_WARNING);
  53                 va_end(arg);
  54         }
  55         void error(const char* fmt, ...) override{
  56                 va_list arg;
  57                 va_start(arg, fmt);
  58                 dcpomatic_log->log(preamble_ + log_message(fmt, arg),LogEntry::TYPE_ERROR);
  59                 va_end(arg);
  60         }
  61 };
  62
  63 struct GrokInitializer {
  64         GrokInitializer(void) {
  65                 setMessengerLogger(new GrokLogger("[GROK] "));
  66         }
  67         ~GrokInitializer()  = default;
  68 };
  69
  70 struct FrameProxy {
  71         FrameProxy(int index, Eyes eyes, DCPVideo dcpv) : index_(index), eyes_(eyes), vf(dcpv)
  72         {}
  73         int index() const {
  74                 return index_;
  75         }
  76         Eyes eyes(void) const {
  77                 return eyes_;
  78         }
  79         int index_;
  80         Eyes eyes_;
  81         DCPVideo vf;
  82 };
  83
  84 struct DcpomaticContext {
  85         DcpomaticContext(std::shared_ptr<const Film> film, Writer& writer,
  86                                                 EventHistory &history, const std::string &location) :
  87                                                                         film_(film), writer_(writer),
  88                                                                         history_(history), location_(location),
  89                                                                         width_(0), height_(0)
  90         {}
  91         void setDimensions(uint32_t w, uint32_t h) {
  92                 width_ = w;
  93                 height_ = h;
  94         }
  95         std::shared_ptr<const Film> film_;
  96         Writer& writer_;
  97         EventHistory &history_;
  98         std::string location_;
  99         uint32_t width_;
 100         uint32_t height_;
 101 };
 102
 103 class GrokContext {
 104 public:
 105         explicit GrokContext(const DcpomaticContext &dcpomaticContext) :
 106                                                                 dcpomaticContext_(dcpomaticContext),
 107                                                                 messenger_(nullptr),
 108                                                                 launched_(false)
 109         {
 110                 struct CompressedData : public dcp::Data {
 111                         explicit CompressedData(int dataLen) : data_(new uint8_t[dataLen]), dataLen_(dataLen)
 112                         {}
 113                         ~CompressedData(void){
 114                                 delete[] data_;
 115                         }
 116                         uint8_t const * data () const override {
 117                                 return data_;
 118                         }
 119                         uint8_t * data () override {
 120                                 return data_;
 121                         }
 122                         int size () const override {
 123                                 return dataLen_;
 124                         }
 125                         uint8_t *data_;
 126                         int dataLen_;
 127                 };
 128                 if (Config::instance()->enable_gpu ())  {
 129                     boost::filesystem::path folder(dcpomaticContext_.location_);
 130                     boost::filesystem::path binaryPath = folder / "grk_compress";
 131                     if (!boost::filesystem::exists(binaryPath)) {
 132                         getMessengerLogger()->error("Invalid binary location %s",
 133                                         dcpomaticContext_.location_.c_str());
 134                                 return;
 135                     }
 136                         auto proc = [this](const std::string& str) {
 137                                 try {
 138                                         Msg msg(str);
 139                                         auto tag = msg.next();
 140                                         if(tag == GRK_MSGR_BATCH_SUBMIT_COMPRESSED)
 141                                         {
 142                                                 auto clientFrameId = msg.nextUint();
 143                                                 auto compressedFrameId = msg.nextUint();
 144                                                 (void)compressedFrameId;
 145                                                 auto compressedFrameLength = msg.nextUint();
 146                                                 auto  processor =
 147                                                                 [this](FrameProxy srcFrame, uint8_t* compressed, uint32_t compressedFrameLength)
 148                                                 {
 149                                                         auto compressedData = std::make_shared<CompressedData>(compressedFrameLength);
 150                                                         memcpy(compressedData->data_,compressed,compressedFrameLength );
 151                                                         dcpomaticContext_.writer_.write(compressedData, srcFrame.index(), srcFrame.eyes());
 152                                                         frame_done ();
 153                                                 };
 154                                                 int const minimum_size = 16384;
 155                                                 bool needsRecompression = compressedFrameLength < minimum_size;
 156                                                 messenger_->processCompressed(str, processor, needsRecompression);
 157                                                 if (needsRecompression) {
 158                                                         auto fp = messenger_->retrieve(clientFrameId);
 159                                                         if (!fp) {
 160                                                                 return;
 161                                                         }
 162
 163                                                         auto encoded = std::make_shared<dcp::ArrayData>(fp->vf.encode_locally());
 164                                                         dcpomaticContext_.writer_.write(encoded, fp->vf.index(), fp->vf.eyes());
 165                                                         frame_done ();
 166                                                 }
 167                                         }
 168                                 } catch (std::exception &ex){
 169                                         getMessengerLogger()->error("%s",ex.what());
 170                                 }
 171                         };
 172                         auto clientInit =
 173                                 MessengerInit(clientToGrokMessageBuf, clientSentSynch, grokReceiveReadySynch,
 174                                                           grokToClientMessageBuf, grokSentSynch, clientReceiveReadySynch, proc,
 175                                                           std::thread::hardware_concurrency());
 176                         messenger_ = new ScheduledMessenger<FrameProxy>(clientInit);
 177                 }
 178         }
 179         ~GrokContext(void) {
 180                 shutdown();
 181         }
 182         bool launch(DCPVideo dcpv, int device){
 183                 if (!messenger_ )
 184                         return false;
 185                 if (launched_)
 186                         return true;
 187                 std::unique_lock<std::mutex> lk_global(launchMutex);
 188                 if (!messenger_)
 189                         return false;
 190                 if (launched_)
 191                         return true;
 192                 if (MessengerInit::firstLaunch(true)) {
 193                         auto s = dcpv.get_size();
 194                         dcpomaticContext_.setDimensions(s.width, s.height);
 195                         auto config = Config::instance();
 196                         messenger_->launchGrok(dcpomaticContext_.location_,
 197                                         dcpomaticContext_.width_,dcpomaticContext_.width_,
 198                                         dcpomaticContext_.height_,
 199                                         3, 12, device,
 200                                         dcpomaticContext_.film_->resolution() == Resolution::FOUR_K,
 201                                         dcpomaticContext_.film_->video_frame_rate(),
 202                                         dcpomaticContext_.film_->j2k_bandwidth(),
 203                                         config->gpu_license_server(),
 204                                         config->gpu_license_port(),
 205                                         config->gpu_license());
 206                 }
 207                 launched_ =  messenger_->waitForClientInit();
 208
 209                 return launched_;
 210         }
 211         bool scheduleCompress(DCPVideo const& vf){
 212                 if (!messenger_)
 213                         return false;
 214
 215                 auto fp = FrameProxy(vf.index(), vf.eyes(), vf);
 216                 auto cvt = [this, &fp](BufferSrc src){
 217                         // xyz conversion
 218                         fp.vf.convert_to_xyz((uint16_t*)src.framePtr_);
 219                 };
 220                 return messenger_->scheduleCompress(fp, cvt);
 221         }
 222         void shutdown(void){
 223                 if (!messenger_)
 224                         return;
 225
 226                 std::unique_lock<std::mutex> lk_global(launchMutex);
 227                 if (!messenger_)
 228                         return;
 229                 if (launched_)
 230                         messenger_->shutdown();
 231                 delete messenger_;
 232                 messenger_ = nullptr;
 233         }
 234         void frame_done () {
 235                 dcpomaticContext_.history_.event ();
 236         }
 237 private:
 238         DcpomaticContext dcpomaticContext_;
 239         ScheduledMessenger<FrameProxy> *messenger_;
 240         bool launched_;
 241 };
 242
 243 }
 244