cinelerra-5.1/cinelerra/packagingengine.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program 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  * This program 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 this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "packagingengine.h"
  23 #include "preferences.h"
  24 #include "edlsession.h"
  25 #include "asset.h"
  26 #include "render.h"
  27 #include "clip.h"
  28
  29
  30 // Default packaging engine implementation, simply split the range up, and consider client's speed
  31
  32 PackagingEngineDefault::PackagingEngineDefault()
  33 {
  34         packages = 0;
  35 }
  36
  37 PackagingEngineDefault::~PackagingEngineDefault()
  38 {
  39         if(packages)
  40         {
  41                 for(int i = 0; i < total_packages; i++)
  42                         delete packages[i];
  43                 delete [] packages;
  44         }
  45 }
  46
  47
  48 int PackagingEngineDefault::create_packages_single_farm(
  49                 EDL *edl,
  50                 Preferences *preferences,
  51                 Asset *default_asset,
  52                 double total_start,
  53                 double total_end)
  54 {
  55         this->total_start = total_start;
  56         this->total_end = total_end;
  57
  58         this->preferences = preferences;
  59         this->default_asset = default_asset;
  60         audio_position = Units::to_int64(total_start * default_asset->sample_rate);
  61         video_position = Units::to_int64(total_start * default_asset->frame_rate);
  62         audio_end = Units::to_int64(total_end * default_asset->sample_rate);
  63         video_end = Units::to_int64(total_end * default_asset->frame_rate);
  64         current_package = 0;
  65
  66         double total_len = total_end - total_start;
  67         total_packages = preferences->renderfarm_job_count;
  68         total_allocated = total_packages + preferences->get_enabled_nodes();
  69         packages = new RenderPackage*[total_allocated];
  70         package_len = total_len / total_packages;
  71         min_package_len = 2.0 / edl->session->frame_rate;
  72
  73
  74 //printf("PackageDispatcher::create_packages: %f / %d = %f\n", total_len, total_packages, package_len);
  75         int current_number;    // The number being injected into the filename.
  76         int number_start;      // Character in the filename path at which the number begins
  77         int total_digits;      // Total number of digits including padding the user specified.
  78
  79         Render::get_starting_number(default_asset->path,
  80                 current_number,
  81                 number_start,
  82                 total_digits,
  83                 3);
  84
  85         for(int i = 0; i < total_allocated; i++)
  86         {
  87                 RenderPackage *package = packages[i] = new RenderPackage;
  88
  89 // Create file number differently if image file sequence
  90                 Render::create_filename(package->path,
  91                         default_asset->path,
  92                         current_number,
  93                         total_digits,
  94                         number_start);
  95                 current_number++;
  96         }
  97         return 0;
  98 }
  99
 100 RenderPackage* PackagingEngineDefault::get_package_single_farm(double frames_per_second,
 101                 int client_number,
 102                 int use_local_rate)
 103 {
 104
 105 //printf("PackageDispatcher::get_package %ld %ld %ld %ld\n", audio_position, video_position, audio_end, video_end);
 106
 107                 RenderPackage *result = 0;
 108                 float avg_frames_per_second = preferences->get_avg_rate(use_local_rate);
 109
 110                 if(audio_position < audio_end ||
 111                         video_position < video_end)
 112                 {
 113 // Last package
 114                         double scaled_len;
 115                         result = packages[current_package];
 116                         result->audio_start = audio_position;
 117                         result->video_start = video_position;
 118                         result->video_do = default_asset->video_data;
 119                         result->audio_do = default_asset->audio_data;
 120
 121                         if(current_package >= total_allocated - 1)
 122                         {
 123                                 result->audio_end = audio_end;
 124                                 result->video_end = video_end;
 125                                 audio_position = result->audio_end;
 126                                 video_position = result->video_end;
 127                         }
 128                         else
 129 // No useful speed data.  May get infinity for real fast jobs.
 130                         if(frames_per_second > 0x7fffff || frames_per_second < 0 ||
 131                                 EQUIV(frames_per_second, 0) ||
 132                                 EQUIV(avg_frames_per_second, 0))
 133                         {
 134                                 scaled_len = MAX(package_len, min_package_len);
 135
 136                                 result->audio_end = audio_position +
 137                                         Units::round(scaled_len * default_asset->sample_rate);
 138                                 result->video_end = video_position +
 139                                         Units::round(scaled_len * default_asset->frame_rate);
 140
 141 // If we get here without any useful speed data render the whole thing.
 142                                 if(current_package >= total_packages - 1)
 143                                 {
 144                                         result->audio_end = audio_end;
 145                                         result->video_end = video_end;
 146                                 }
 147                                 else
 148                                 {
 149                                         result->audio_end = MIN(audio_end, result->audio_end);
 150                                         result->video_end = MIN(video_end, result->video_end);
 151                                 }
 152
 153                                 audio_position = result->audio_end;
 154                                 video_position = result->video_end;
 155                         }
 156                         else
 157 // Useful speed data and future packages exist.  Scale the
 158 // package size to fit the requestor.
 159                         {
 160                                 scaled_len = package_len *
 161                                         frames_per_second /
 162                                         avg_frames_per_second;
 163                                 scaled_len = MAX(scaled_len, min_package_len);
 164
 165                                 result->audio_end = result->audio_start +
 166                                         Units::to_int64(scaled_len * default_asset->sample_rate);
 167                                 result->video_end = result->video_start +
 168                                         Units::to_int64(scaled_len * default_asset->frame_rate);
 169
 170                                 result->audio_end = MIN(audio_end, result->audio_end);
 171                                 result->video_end = MIN(video_end, result->video_end);
 172
 173                                 audio_position = result->audio_end;
 174                                 video_position = result->video_end;
 175
 176 // Package size is no longer touched between total_packages and total_allocated
 177                                 if(current_package < total_packages - 1)
 178                                 {
 179                                         package_len = (double)(audio_end - audio_position) /
 180                                                 (double)default_asset->sample_rate /
 181                                                 (double)(total_packages - current_package);
 182                                 }
 183
 184                         }
 185
 186                         current_package++;
 187 //printf("Dispatcher::get_package 50 %lld %lld %lld %lld\n",
 188 //result->audio_start,
 189 //result->video_start,
 190 //result->audio_end,
 191 //result->video_end);
 192                 }
 193                 return result;
 194
 195 }
 196
 197 void PackagingEngineDefault::get_package_paths(ArrayList<char*> *path_list)
 198 {
 199         for(int i = 0; i < total_allocated; i++)
 200         {
 201                 path_list->append(strdup(packages[i]->path));
 202         }
 203         path_list->set_free();
 204 }
 205
 206 int64_t PackagingEngineDefault::get_progress_max()
 207 {
 208         return Units::to_int64(default_asset->sample_rate *
 209                         (total_end - total_start)) +
 210                 Units::to_int64(preferences->render_preroll *
 211                         2 *
 212                         default_asset->sample_rate);
 213 }
 214
 215 int PackagingEngineDefault::packages_are_done()
 216 {
 217         return 0;
 218 }
 219
 220
 221
 222