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