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 "log.h"
  25 #include "dcpomatic_log.h"
  26 #include "writer.h"
  27 #include "grok_messenger.h"
  28
  29 class Film;
  30 using dcp::Data;
  31 using namespace dcpomatic;
  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(void) : FrameProxy(0,Eyes::LEFT,DCPVideo())
  71         {}
  72         FrameProxy(int index, Eyes eyes, DCPVideo dcpv) : index_(index), eyes_(eyes), vf(dcpv)
  73         {}
  74         int index() const {
  75                 return index_;
  76         }
  77         Eyes eyes(void) const {
  78                 return eyes_;
  79         }
  80         int index_;
  81         Eyes eyes_;
  82         DCPVideo vf;
  83 };
  84
  85 struct DcpomaticContext {
  86         DcpomaticContext(std::shared_ptr<const Film> film, Writer& writer,
  87                                                 EventHistory &history, const std::string &location) :
  88                                                                         film_(film), writer_(writer),
  89                                                                         history_(history), location_(location),
  90                                                                         width_(0), height_(0)
  91         {}
  92         void setDimensions(uint32_t w, uint32_t h) {
  93                 width_ = w;
  94                 height_ = h;
  95         }
  96         std::shared_ptr<const Film> film_;
  97         Writer& writer_;
  98         EventHistory &history_;
  99         std::string location_;
 100         uint32_t width_;
 101         uint32_t height_;
 102 };
 103
 104 class GrokContext {
 105 public:
 106         explicit GrokContext(const DcpomaticContext &dcpomaticContext) :
 107                                                                 dcpomaticContext_(dcpomaticContext),
 108                                                                 messenger_(nullptr),
 109                                                                 launched_(false)
 110         {
 111                 struct CompressedData : public dcp::Data {
 112                         explicit CompressedData(int dataLen) : data_(new uint8_t[dataLen]), dataLen_(dataLen)
 113                         {}
 114                         ~CompressedData(void){
 115                                 delete[] data_;
 116                         }
 117                         uint8_t const * data () const override {
 118                                 return data_;
 119                         }
 120                         uint8_t * data () override {
 121                                 return data_;
 122                         }
 123                         int size () const override {
 124                                 return dataLen_;
 125                         }
 126                         uint8_t *data_;
 127                         int dataLen_;
 128                 };
 129                 if (Config::instance()->enable_gpu ())  {
 130                     boost::filesystem::path folder(dcpomaticContext_.location_);
 131                     boost::filesystem::path binaryPath = folder / "grk_compress";
 132                     if (!boost::filesystem::exists(binaryPath)) {
 133                         getMessengerLogger()->error("Invalid binary location %s",
 134                                         dcpomaticContext_.location_.c_str());
 135                                 return;
 136                     }
 137                         auto proc = [this](const std::string& str) {
 138                                 try {
 139                                         Msg msg(str);
 140                                         auto tag = msg.next();
 141                                         if(tag == GRK_MSGR_BATCH_SUBMIT_COMPRESSED)
 142                                         {
 143                                                 auto clientFrameId = msg.nextUint();
 144                                                 auto compressedFrameId = msg.nextUint();
 145                                                 (void)compressedFrameId;
 146                                                 auto compressedFrameLength = msg.nextUint();
 147                                                 auto  processor =
 148                                                                 [this](FrameProxy srcFrame, uint8_t* compressed, uint32_t compressedFrameLength)
 149                                                 {
 150                                                         auto compressedData = std::make_shared<CompressedData>(compressedFrameLength);
 151                                                         memcpy(compressedData->data_,compressed,compressedFrameLength );
 152                                                         dcpomaticContext_.writer_.write(compressedData, srcFrame.index(), srcFrame.eyes());
 153                                                         frame_done ();
 154                                                 };
 155                                                 int const minimum_size = 16384;
 156                                                 bool needsRecompression = compressedFrameLength < minimum_size;
 157                                                 messenger_->processCompressed(str, processor, needsRecompression);
 158                                                 if (needsRecompression) {
 159                                                         bool success = false;
 160                                                         auto fp = messenger_->retrieve(clientFrameId, success);
 161                                                         if (!success)
 162                                                                 return;
 163
 164                                                         auto encoded = std::make_shared<dcp::ArrayData>(fp.vf.encode_locally());
 165                                                         dcpomaticContext_.writer_.write(encoded, fp.vf.index(), fp.vf.eyes());
 166                                                         frame_done ();
 167                                                 }
 168                                         }
 169                                 } catch (std::exception &ex){
 170                                         getMessengerLogger()->error("%s",ex.what());
 171                                 }
 172                         };
 173                         auto clientInit =
 174                                 MessengerInit(clientToGrokMessageBuf, clientSentSynch, grokReceiveReadySynch,
 175                                                           grokToClientMessageBuf, grokSentSynch, clientReceiveReadySynch, proc,
 176                                                           std::thread::hardware_concurrency());
 177                         messenger_ = new ScheduledMessenger<FrameProxy>(clientInit);
 178                 }
 179         }
 180         ~GrokContext(void) {
 181                 shutdown();
 182         }
 183         bool launch(DCPVideo dcpv, int device){
 184                 if (!messenger_ )
 185                         return false;
 186                 if (launched_)
 187                         return true;
 188                 std::unique_lock<std::mutex> lk_global(launchMutex);
 189                 if (!messenger_)
 190                         return false;
 191                 if (launched_)
 192                         return true;
 193                 if (MessengerInit::firstLaunch(true)) {
 194                         auto s = dcpv.get_size();
 195                         dcpomaticContext_.setDimensions(s.width, s.height);
 196                         auto config = Config::instance();
 197                         messenger_->launchGrok(dcpomaticContext_.location_,
 198                                         dcpomaticContext_.width_,dcpomaticContext_.width_,
 199                                         dcpomaticContext_.height_,
 200                                         3, 12, device,
 201                                         dcpomaticContext_.film_->resolution() == Resolution::FOUR_K,
 202                                         dcpomaticContext_.film_->video_frame_rate(),
 203                                         dcpomaticContext_.film_->j2k_bandwidth(),
 204                                         config->gpu_license_server(),
 205                                         config->gpu_license_port(),
 206                                         config->gpu_license());
 207                 }
 208                 launched_ =  messenger_->waitForClientInit();
 209
 210                 return launched_;
 211         }
 212         bool scheduleCompress(const DCPVideo &vf){
 213                 if (!messenger_)
 214                         return false;
 215
 216                 auto fp = FrameProxy(vf.index(),vf.eyes(),vf);
 217                 auto cvt = [this, &fp](BufferSrc src){
 218                         // xyz conversion
 219                         fp.vf.convert_to_xyz((uint16_t*)src.framePtr_);
 220                 };
 221                 return messenger_->scheduleCompress(fp, cvt);
 222         }
 223         void shutdown(void){
 224                 if (!messenger_)
 225                         return;
 226
 227                 std::unique_lock<std::mutex> lk_global(launchMutex);
 228                 if (!messenger_)
 229                         return;
 230                 if (launched_)
 231                         messenger_->shutdown();
 232                 delete messenger_;
 233                 messenger_ = nullptr;
 234         }
 235         void frame_done () {
 236                 dcpomaticContext_.history_.event ();
 237         }
 238 private:
 239         DcpomaticContext dcpomaticContext_;
 240         ScheduledMessenger<FrameProxy> *messenger_;
 241         bool launched_;
 242 };
 243
 244 }
 245