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 #include <dcp/array_data.h>
  31
  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 FrameProxy {
  63         FrameProxy(int index, Eyes eyes, DCPVideo dcpv) : index_(index), eyes_(eyes), vf(dcpv)
  64         {}
  65         int index() const {
  66                 return index_;
  67         }
  68         Eyes eyes(void) const {
  69                 return eyes_;
  70         }
  71         int index_;
  72         Eyes eyes_;
  73         DCPVideo vf;
  74 };
  75
  76 struct DcpomaticContext {
  77         DcpomaticContext(std::shared_ptr<const Film> film, Writer& writer,
  78                                                 EventHistory &history, const std::string &location) :
  79                                                                         film_(film), writer_(writer),
  80                                                                         history_(history), location_(location),
  81                                                                         width_(0), height_(0)
  82         {}
  83         void setDimensions(uint32_t w, uint32_t h) {
  84                 width_ = w;
  85                 height_ = h;
  86         }
  87         std::shared_ptr<const Film> film_;
  88         Writer& writer_;
  89         EventHistory &history_;
  90         std::string location_;
  91         uint32_t width_;
  92         uint32_t height_;
  93 };
  94
  95 class GrokContext {
  96 public:
  97         explicit GrokContext(const DcpomaticContext &dcpomaticContext) :
  98                                                                 dcpomaticContext_(dcpomaticContext),
  99                                                                 messenger_(nullptr),
 100                                                                 launched_(false)
 101         {
 102                 if (Config::instance()->enable_gpu ())  {
 103                     boost::filesystem::path folder(dcpomaticContext_.location_);
 104                     boost::filesystem::path binaryPath = folder / "grk_compress";
 105                     if (!boost::filesystem::exists(binaryPath)) {
 106                         getMessengerLogger()->error("Invalid binary location %s",
 107                                         dcpomaticContext_.location_.c_str());
 108                                 return;
 109                     }
 110                         auto proc = [this](const std::string& str) {
 111                                 try {
 112                                         Msg msg(str);
 113                                         auto tag = msg.next();
 114                                         if(tag == GRK_MSGR_BATCH_SUBMIT_COMPRESSED)
 115                                         {
 116                                                 auto clientFrameId = msg.nextUint();
 117                                                 auto compressedFrameId = msg.nextUint();
 118                                                 (void)compressedFrameId;
 119                                                 auto compressedFrameLength = msg.nextUint();
 120                                                 auto  processor =
 121                                                                 [this](FrameProxy srcFrame, uint8_t* compressed, uint32_t compressedFrameLength)
 122                                                 {
 123                                                         auto compressed_data = std::make_shared<dcp::ArrayData>(compressed, compressedFrameLength);
 124                                                         dcpomaticContext_.writer_.write(compressed_data, srcFrame.index(), srcFrame.eyes());
 125                                                         frame_done ();
 126                                                 };
 127                                                 int const minimum_size = 16384;
 128                                                 bool needsRecompression = compressedFrameLength < minimum_size;
 129                                                 messenger_->processCompressed(str, processor, needsRecompression);
 130                                                 if (needsRecompression) {
 131                                                         auto fp = messenger_->retrieve(clientFrameId);
 132                                                         if (!fp) {
 133                                                                 return;
 134                                                         }
 135
 136                                                         auto encoded = std::make_shared<dcp::ArrayData>(fp->vf.encode_locally());
 137                                                         dcpomaticContext_.writer_.write(encoded, fp->vf.index(), fp->vf.eyes());
 138                                                         frame_done ();
 139                                                 }
 140                                         }
 141                                 } catch (std::exception &ex){
 142                                         getMessengerLogger()->error("%s",ex.what());
 143                                 }
 144                         };
 145                         auto clientInit =
 146                                 MessengerInit(clientToGrokMessageBuf, clientSentSynch, grokReceiveReadySynch,
 147                                                           grokToClientMessageBuf, grokSentSynch, clientReceiveReadySynch, proc,
 148                                                           std::thread::hardware_concurrency());
 149                         messenger_ = new ScheduledMessenger<FrameProxy>(clientInit);
 150                 }
 151         }
 152         ~GrokContext(void) {
 153                 shutdown();
 154         }
 155         bool launch(DCPVideo dcpv, int device){
 156                 if (!messenger_ )
 157                         return false;
 158                 if (launched_)
 159                         return true;
 160                 std::unique_lock<std::mutex> lk_global(launchMutex);
 161                 if (!messenger_)
 162                         return false;
 163                 if (launched_)
 164                         return true;
 165                 if (MessengerInit::firstLaunch(true)) {
 166                         auto s = dcpv.get_size();
 167                         dcpomaticContext_.setDimensions(s.width, s.height);
 168                         auto config = Config::instance();
 169                         messenger_->launchGrok(dcpomaticContext_.location_,
 170                                         dcpomaticContext_.width_,dcpomaticContext_.width_,
 171                                         dcpomaticContext_.height_,
 172                                         3, 12, device,
 173                                         dcpomaticContext_.film_->resolution() == Resolution::FOUR_K,
 174                                         dcpomaticContext_.film_->video_frame_rate(),
 175                                         dcpomaticContext_.film_->j2k_bandwidth(),
 176                                         config->gpu_license_server(),
 177                                         config->gpu_license_port(),
 178                                         config->gpu_license());
 179                 }
 180                 launched_ =  messenger_->waitForClientInit();
 181
 182                 return launched_;
 183         }
 184         bool scheduleCompress(DCPVideo const& vf){
 185                 if (!messenger_)
 186                         return false;
 187
 188                 auto fp = FrameProxy(vf.index(), vf.eyes(), vf);
 189                 auto cvt = [this, &fp](BufferSrc src){
 190                         // xyz conversion
 191                         fp.vf.convert_to_xyz((uint16_t*)src.framePtr_);
 192                 };
 193                 return messenger_->scheduleCompress(fp, cvt);
 194         }
 195         void shutdown(void){
 196                 if (!messenger_)
 197                         return;
 198
 199                 std::unique_lock<std::mutex> lk_global(launchMutex);
 200                 if (!messenger_)
 201                         return;
 202                 if (launched_)
 203                         messenger_->shutdown();
 204                 delete messenger_;
 205                 messenger_ = nullptr;
 206         }
 207         void frame_done () {
 208                 dcpomaticContext_.history_.event ();
 209         }
 210 private:
 211         DcpomaticContext dcpomaticContext_;
 212         ScheduledMessenger<FrameProxy> *messenger_;
 213         bool launched_;
 214 };
 215
 216 }
 217