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