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