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
 93 //printf("PackageDispatcher::get_package %ld %ld %ld %ld\n", audio_position, video_position, audio_end, video_end);
 94
 95                 RenderPackage *result = 0;
 96                 float avg_frames_per_second = preferences->get_avg_rate(use_local_rate);
 97
 98                 if(audio_position < audio_end ||
 99                         video_position < video_end)
 100                 {
 101 // Last package
 102                         double scaled_len;
 103                         result = packages[current_package];
 104                         result->audio_start = audio_position;
 105                         result->video_start = video_position;
 106                         result->video_do = default_asset->video_data;
 107                         result->audio_do = default_asset->audio_data;
 108
 109                         if(current_package >= total_allocated - 1)
 110                         {
 111                                 result->audio_end = audio_end;
 112                                 result->video_end = video_end;
 113                                 audio_position = result->audio_end;
 114                                 video_position = result->video_end;
 115                         }
 116                         else
 117 // No useful speed data.  May get infinity for real fast jobs.
 118                         if(frames_per_second > 0x7fffff || frames_per_second < 0 ||
 119                                 EQUIV(frames_per_second, 0) ||
 120                                 EQUIV(avg_frames_per_second, 0))
 121                         {
 122                                 scaled_len = MAX(package_len, min_package_len);
 123
 124                                 result->audio_end = audio_position +
 125                                         Units::round(scaled_len * default_asset->sample_rate);
 126                                 result->video_end = video_position +
 127                                         Units::round(scaled_len * default_asset->frame_rate);
 128
 129 // If we get here without any useful speed data render the whole thing.
 130                                 if(current_package >= total_packages - 1)
 131                                 {
 132                                         result->audio_end = audio_end;
 133                                         result->video_end = video_end;
 134                                 }
 135                                 else
 136                                 {
 137                                         result->audio_end = MIN(audio_end, result->audio_end);
 138                                         result->video_end = MIN(video_end, result->video_end);
 139                                 }
 140
 141                                 audio_position = result->audio_end;
 142                                 video_position = result->video_end;
 143                         }
 144                         else
 145 // Useful speed data and future packages exist.  Scale the
 146 // package size to fit the requestor.
 147                         {
 148                                 scaled_len = package_len *
 149                                         frames_per_second /
 150                                         avg_frames_per_second;
 151                                 scaled_len = MAX(scaled_len, min_package_len);
 152
 153                                 result->audio_end = result->audio_start +
 154                                         Units::to_int64(scaled_len * default_asset->sample_rate);
 155                                 result->video_end = result->video_start +
 156                                         Units::to_int64(scaled_len * default_asset->frame_rate);
 157
 158                                 result->audio_end = MIN(audio_end, result->audio_end);
 159                                 result->video_end = MIN(video_end, result->video_end);
 160
 161                                 audio_position = result->audio_end;
 162                                 video_position = result->video_end;
 163
 164 // Package size is no longer touched between total_packages and total_allocated
 165                                 if(current_package < total_packages - 1)
 166                                 {
 167                                         package_len = (double)(audio_end - audio_position) /
 168                                                 (double)default_asset->sample_rate /
 169                                                 (double)(total_packages - current_package);
 170                                 }
 171
 172                         }
 173
 174                         current_package++;
 175 //printf("Dispatcher::get_package 50 %lld %lld %lld %lld\n",
 176 // result->audio_start, result->video_start, result->audio_end, result->video_end);
 177                 }
 178                 return result;
 179
 180 }
 181
 182 void PackagingEngineDefault::get_package_paths(ArrayList<char*> *path_list)
 183 {
 184         for( int i=0; i<total_allocated; ++i ) {
 185                 path_list->append(strdup(packages[i]->path));
 186         }
 187         path_list->set_free();
 188 }
 189
 190 int PackagingEngineDefault::get_asset_list(ArrayList<Indexable *> &idxbls)
 191 {
 192         for( int i=0; i<current_package; ++i ) {
 193                 Asset *asset = new Asset;
 194                 asset->copy_from(default_asset, 1);
 195                 strcpy(asset->path, packages[i]->path);
 196                 asset->video_length = packages[i]->video_end - packages[i]->video_start;
 197                 asset->audio_length = packages[i]->audio_end - packages[i]->audio_start;
 198                 idxbls.append(asset);
 199         }
 200         return current_package;
 201 }
 202
 203 int64_t PackagingEngineDefault::get_progress_max()
 204 {
 205         return Units::to_int64(default_asset->sample_rate * (total_end - total_start)) +
 206                 Units::to_int64(preferences->render_preroll * 2 * default_asset->sample_rate);
 207 }
 208
 209 int PackagingEngineDefault::packages_are_done()
 210 {
 211         return 0;
 212 }
 213