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(EDL *edl,
  49                 Preferences *preferences, Asset *default_asset,
  50                 double total_start, double total_end)
  51 {
  52         this->total_start = total_start;
  53         this->total_end = total_end;
  54
  55         this->preferences = preferences;
  56         this->default_asset = default_asset;
  57         audio_position = Units::to_int64(total_start * default_asset->sample_rate);
  58         video_position = Units::to_int64(total_start * default_asset->frame_rate);
  59         audio_end = Units::to_int64(total_end * default_asset->sample_rate);
  60         video_end = Units::to_int64(total_end * default_asset->frame_rate);
  61         current_package = 0;
  62         current_position = 0;
  63
  64         double total_len = total_end - total_start;
  65         total_packages = preferences->renderfarm_job_count;
  66         total_allocated = total_packages + preferences->get_enabled_nodes();
  67         packages = new RenderPackage*[total_allocated];
  68         package_len = total_len / total_packages;
  69         min_package_len = 2.0 / edl->session->frame_rate;
  70
  71         int current_number;    // The number being injected into the filename.
  72         int number_start;      // Character in the filename path at which the number begins
  73         int total_digits;      // Total number of digits including padding the user specified.
  74
  75         Render::get_starting_number(default_asset->path,
  76                 current_number, number_start, total_digits, 3);
  77
  78         for( int i=0; i<total_allocated; ++i ) {
  79                 RenderPackage *package = packages[i] = new RenderPackage;
  80
  81 // Create file number differently if image file sequence
  82                 Render::create_filename(package->path, default_asset->path,
  83                         current_number, total_digits, number_start);
  84                 current_number++;
  85         }
  86         return 0;
  87 }
  88
  89 RenderPackage* PackagingEngineDefault::get_package_single_farm(double frames_per_second,
  90                 int client_number, int use_local_rate)
  91 {
  92         RenderPackage *result = 0;
  93         float avg_frames_per_second = preferences->get_avg_rate(use_local_rate);
  94         double length = package_len;
  95         int scaled_length = 0;
  96
  97         if( (default_asset->audio_data &&
  98                 (audio_position < audio_end && !EQUIV(audio_position, audio_end))) ||
  99             (default_asset->video_data &&
 100                 (video_position < video_end && !EQUIV(video_position, video_end))) ) {
 101 // Last package
 102                 result = packages[current_package];
 103                 result->audio_start = audio_position;
 104                 result->video_start = video_position;
 105                 result->video_do = default_asset->video_data;
 106                 result->audio_do = default_asset->audio_data;
 107
 108                 if( current_package >= total_allocated-1 ) {
 109                         result->audio_end = audio_end;
 110                         result->video_end = video_end;
 111                         audio_position = result->audio_end;
 112                         video_position = result->video_end;
 113                 }
 114                 else {
 115                         if( frames_per_second > 0 &&
 116                             !EQUIV(frames_per_second, 0) && !EQUIV(avg_frames_per_second, 0) ) {
 117 // package size to fit the requestor.
 118                                 length *= frames_per_second / avg_frames_per_second;
 119                                 scaled_length = 1;
 120                         }
 121                         if( length < min_package_len )
 122                                 length = min_package_len;
 123                         double end_position = current_position + length;
 124
 125                         if( result->video_do ) {
 126                                 int64_t video_end = end_position * default_asset->frame_rate;
 127                                 result->video_end = MIN(this->video_end, video_end);
 128                                 end_position = video_end / default_asset->frame_rate;
 129                         }
 130                         if( result->audio_do ) {
 131                                 int64_t audio_end = end_position * default_asset->sample_rate;
 132                                 result->audio_end = MIN(this->audio_end, audio_end);
 133                         }
 134                         audio_position = result->audio_end;
 135                         video_position = result->video_end;
 136                         current_position = end_position;
 137
 138 // Package size is no longer touched between total_packages and total_allocated
 139                         if( scaled_length && current_package < total_packages-1 ) {
 140                                 double remaining =
 141                                         result->audio_do ? (double)(audio_end - audio_position) /
 142                                                 default_asset->sample_rate :
 143                                         result->video_do ? (double)(video_end - video_position) /
 144                                                 default_asset->frame_rate : 0;
 145                                 if( remaining > 0 ) {
 146                                         int jobs = total_packages - current_package;
 147                                         package_len = remaining / jobs;
 148                                 }
 149                         }
 150                 }
 151
 152                 current_package++;
 153 //printf("Dispatcher::get_package 50 %lld %lld %lld %lld\n",
 154 // result->audio_start, result->video_start, result->audio_end, result->video_end);
 155         }
 156         return result;
 157 }
 158
 159 void PackagingEngineDefault::get_package_paths(ArrayList<char*> *path_list)
 160 {
 161         for( int i=0; i<total_allocated; ++i ) {
 162                 path_list->append(strdup(packages[i]->path));
 163         }
 164         path_list->set_free();
 165 }
 166
 167 int PackagingEngineDefault::get_asset_list(ArrayList<Indexable *> &idxbls)
 168 {
 169         for( int i=0; i<current_package; ++i ) {
 170                 Asset *asset = new Asset;
 171                 asset->copy_from(default_asset, 1);
 172                 strcpy(asset->path, packages[i]->path);
 173                 asset->video_length = packages[i]->video_end - packages[i]->video_start;
 174                 asset->audio_length = packages[i]->audio_end - packages[i]->audio_start;
 175                 idxbls.append(asset);
 176         }
 177         return current_package;
 178 }
 179
 180 int64_t PackagingEngineDefault::get_progress_max()
 181 {
 182         return Units::to_int64(default_asset->sample_rate * (total_end - total_start)) +
 183                 Units::to_int64(preferences->render_preroll * 2 * default_asset->sample_rate);
 184 }
 185
 186 int PackagingEngineDefault::packages_are_done()
 187 {
 188         return 0;
 189 }
 190