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vtransition.C

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00001 #include "assets.h"
00002 #include "autoconf.h"
00003 #include "bezierautos.h"
00004 #include "cache.h"
00005 #include "edit.h"
00006 #include "edits.h"
00007 #include "filexml.h"
00008 #include "floatautos.h"
00009 #include "mwindow.h"
00010 #include "patch.h"
00011 #include "trackcanvas.h"
00012 #include "tracks.h"
00013 #include "vedit.h"
00014 #include "vedits.h"
00015 #include "vframe.h"
00016 #include "vtrack.h"
00017 #include "datatype.h"
00018 
00019 VTrack::VTrack(MWindow *mwindow, Tracks *tracks) : Track(mwindow, tracks)
00020 {
00021         data_type = TRACK_VIDEO;
00022 }
00023 
00024 VTrack::~VTrack()
00025 {
00026         delete edits;
00027         delete camera_autos;
00028         delete projector_autos;
00029 }
00030 
00031 int VTrack::create_derived_objs(int flash)
00032 {
00033         int i;
00034         edits = new VEdits(mwindow, this);
00035         camera_autos = new BezierAutos(this, 
00036                                                                         WHITE, 
00037                                                                         0, 
00038                                                                         0, 
00039                                                                         1, 
00040                                                                         mwindow->track_w,
00041                                                                         mwindow->track_h);
00042         
00043         projector_autos = new BezierAutos(this,
00044                                                                         WHITE,
00045                                                                         0,
00046                                                                         0,
00047                                                                         1,
00048                                                                         mwindow->output_w,
00049                                                                         mwindow->output_h);
00050         
00051         fade_autos = new FloatAutos(this, LTGREY, -100, 100);
00052         fade_autos->create_objects();
00053 
00054         if(mwindow->gui)
00055         {
00056                 if(mwindow->session->tracks_vertical)
00057                 draw(pixel, mwindow->zoom_track, 0, tracks->canvas->h, flash);
00058                 else
00059                 draw(0, tracks->canvas->w, pixel, mwindow->zoom_track, flash);
00060         }
00061 }
00062 
00063 
00064 int VTrack::save_derived(FileXML *xml)
00065 {
00066         edits->save(xml);
00067 
00068         if(camera_autos->total())
00069         {
00070                 xml->tag.set_title("CAMERAAUTOS");
00071                 xml->append_tag();
00072                 xml->append_newline();
00073                 camera_autos->save(xml);
00074                 xml->tag.set_title("/CAMERAAUTOS");
00075                 xml->append_tag();
00076                 xml->append_newline();
00077         }
00078 
00079         if(projector_autos->total())
00080         {
00081                 xml->tag.set_title("PROJECTORAUTOS");
00082                 xml->append_tag();
00083                 xml->append_newline();
00084                 projector_autos->save(xml);
00085                 xml->tag.set_title("/PROJECTORAUTOS");
00086                 xml->append_tag();
00087                 xml->append_newline();
00088         }
00089 }
00090 
00091 int VTrack::load_derived(FileXML *xml, int automation_only, int edits_only, int load_all, int &output_channel)
00092 {
00093         if(xml->tag.title_is("CAMERAAUTOS"))
00094         {
00095                 camera_autos->load(xml, "/CAMERAAUTOS");
00096         }
00097         else
00098         if(xml->tag.title_is("PROJECTORAUTOS"))
00099         {
00100                 projector_autos->load(xml, "/PROJECTORAUTOS");
00101         }
00102 }
00103 
00104 long VTrack::length()
00105 {
00106         return tosamples(edits->end(), mwindow->sample_rate, mwindow->frame_rate);
00107 }
00108 
00109 int VTrack::get_dimensions(float &view_start, float &view_units, float &zoom_units)
00110 {
00111         view_start = toframes(mwindow->view_start, mwindow->sample_rate, mwindow->frame_rate);
00112         view_units = toframes(tracks->view_samples(), mwindow->sample_rate, mwindow->frame_rate);
00113         zoom_units = toframes(mwindow->zoom_sample, mwindow->sample_rate, mwindow->frame_rate);
00114 }
00115 
00116 long VTrack::samples_to_units(long &samples)
00117 {
00118         samples = toframes_round(samples, mwindow->sample_rate, mwindow->frame_rate);
00119 }
00120 
00121 int VTrack::copy_derived(long start, long end, FileXML *xml)
00122 {
00123 // automation is copied in the Track::copy
00124 }
00125 
00126 int VTrack::copy_automation_derived(AutoConf *auto_conf, long start, long end, FileXML *xml)
00127 {
00128 // used for copying only automation
00129         if(auto_conf->camera)
00130         {
00131                 xml->tag.set_title("CAMERAAUTOS");
00132                 xml->append_tag();
00133 
00134                 camera_autos->copy(start, end, xml, 1);
00135 
00136                 xml->tag.set_title("/CAMERAAUTOS");
00137                 xml->append_tag();
00138                 xml->append_newline();
00139         }
00140 
00141         if(auto_conf->projector)
00142         {
00143                 xml->tag.set_title("PROJECTORAUTOS");
00144                 xml->append_tag();
00145 
00146                 projector_autos->copy(start, end, xml, 1);
00147 
00148                 xml->tag.set_title("/PROJECTORAUTOS");
00149                 xml->append_tag();
00150                 xml->append_newline();
00151         }
00152 }
00153 
00154 int VTrack::paste_derived(long start, long end, long total_length, FileXML *xml, int &current_channel)
00155 {
00156         if(xml->tag.title_is("CAMERAAUTOS"))
00157         {
00158                 camera_autos->paste(start, end, total_length, xml, "/CAMERAAUTOS", 1);
00159         }
00160         else
00161         if(xml->tag.title_is("PROJECTORAUTOS"))
00162         {
00163                 projector_autos->paste(start, end, total_length, xml, "/PROJECTORAUTOS", 1);
00164         }
00165 }
00166 
00167 int VTrack::paste_output(long startproject, long endproject, long startsource, long endsource, int layer, Asset *asset)
00168 {
00169         int result = 0;
00170 
00171 //printf("VTrack::paste_output startproject %ld endproject %ld\n", startproject, endproject);
00172         //Track::samples_to_units(startproject, endproject);
00173 
00174         result = ((VEdits*)edits)->paste_edit(startproject, 
00175                                                 endproject, 
00176                                                 startsource, 
00177                                                 endsource - startsource, 
00178                                                 layer, 
00179                                                 0,
00180                                                 0,
00181                                                 1,
00182                                                 asset);
00183 
00184         //if(!result && mwindow->autos_follow_edits)
00185         //{
00186         //      paste_auto_silence(startproject, endproject);
00187         //}
00188         return result;
00189 }
00190 
00191 int VTrack::clear_derived(long start, long end)
00192 {
00193         if(mwindow->autos_follow_edits)
00194         {
00195                 camera_autos->clear(start, end, mwindow->autos_follow_edits, 1);
00196                 projector_autos->clear(start, end, mwindow->autos_follow_edits, 1);
00197         }
00198 }
00199 
00200 int VTrack::paste_automation_derived(long start, long end, long total_length, FileXML *xml, int shift_autos, int &current_pan)
00201 {
00202 // only used for pasting automation
00203         camera_autos->paste(start, end, total_length, xml, "/CAMERAUTOS", 1, shift_autos);
00204         projector_autos->paste(start, end, total_length, xml, "/PROJECTORAUTOS", 1, shift_autos);
00205 }
00206 
00207 int VTrack::clear_automation_derived(AutoConf *auto_conf, long start, long end, int shift_autos)
00208 {
00209         if(auto_conf->camera)
00210                 camera_autos->clear(start, end, mwindow->autos_follow_edits, shift_autos);
00211 
00212         if(auto_conf->projector)
00213                 projector_autos->clear(start, end, mwindow->autos_follow_edits, shift_autos);
00214 }
00215 
00216 int VTrack::paste_auto_silence_derived(long start, long end)
00217 {
00218         camera_autos->paste_silence(start, end);
00219         projector_autos->paste_silence(start, end);
00220 }
00221 
00222 int VTrack::draw_autos_derived(float view_start, float zoom_units, AutoConf *auto_conf)
00223 {
00224                 if(auto_conf->camera) 
00225                         camera_autos->draw(tracks->canvas, 
00226                                                         pixel,
00227                                                         mwindow->zoom_track, 
00228                                                         zoom_units, 
00229                                                         view_start, 
00230                                                         mwindow->session->tracks_vertical);
00231 
00232                 if(auto_conf->projector)
00233                         projector_autos->draw(tracks->canvas, 
00234                                                         pixel,
00235                                                         mwindow->zoom_track, 
00236                                                         zoom_units, 
00237                                                         view_start, 
00238                                                         mwindow->session->tracks_vertical);
00239 }
00240 
00241 int VTrack::select_translation(int cursor_x, int cursor_y)
00242 {
00243 // cursor position is relative to time
00244         int result = 0;
00245         float view_start, view_units, zoom_units;
00246         get_dimensions(view_start, view_units, zoom_units);
00247 
00248         if(cursor_y > pixel && cursor_y < pixel + mwindow->zoom_track)
00249         {
00250                 for(Edit* current = edits->first; current && !result; current = NEXT)
00251                 {
00252                         result = ((VEdit*)current)->select_translation(cursor_x, cursor_y, view_start, zoom_units);
00253                 }
00254         }
00255         return result;
00256 }
00257 
00258 int VTrack::update_translation(int cursor_x, int cursor_y, int shift_down)
00259 {
00260         int result = 0;
00261         float view_start, view_units, zoom_units;
00262         get_dimensions(view_start, view_units, zoom_units);
00263 
00264         for(Edit* current = edits->first; current && !result; current = NEXT)
00265         {
00266                 result = ((VEdit*)current)->update_translation(cursor_x, cursor_y, shift_down, view_start, zoom_units);
00267         }
00268         return result;
00269 }
00270 
00271 int VTrack::end_translation()
00272 {
00273         int result = 0;
00274         for(Edit* current = edits->first; current && !result; current = NEXT)
00275         {
00276                 result = ((VEdit*)current)->end_translation();
00277         }
00278         return result;
00279 }
00280 
00281 int VTrack::reset_translation(long start, long end)
00282 {
00283         int result = 0;
00284         Track::samples_to_units(start, end);
00285         for(Edit* current = edits->first; current && !result; current = NEXT)
00286         {
00287                 result = ((VEdit*)current)->reset_translation(start, end);
00288         }
00289         return result;
00290 }
00291 
00292 
00293 int VTrack::select_auto_derived(float zoom_units, float view_start, AutoConf *auto_conf, int cursor_x, int cursor_y)
00294 {
00295         int result = 0;
00296 
00297         if(auto_conf->camera) 
00298                 result = camera_autos->select_auto(tracks->canvas, 
00299                                                                                 pixel, 
00300                                                                                 mwindow->zoom_track, 
00301                                                                                 zoom_units, 
00302                                                                                 view_start, 
00303                                                                                 cursor_x, 
00304                                                                                 cursor_y, 
00305                                                                                 tracks->canvas->shift_down(),
00306                                                                                 tracks->canvas->ctrl_down(),
00307                                                                                 tracks->canvas->get_buttonpress(),
00308                                                                                 mwindow->session->tracks_vertical);
00309 
00310         if(auto_conf->projector && !result) 
00311                 result = projector_autos->select_auto(tracks->canvas, 
00312                                                                                 pixel, 
00313                                                                                 mwindow->zoom_track, 
00314                                                                                 zoom_units, 
00315                                                                                 view_start, 
00316                                                                                 cursor_x, 
00317                                                                                 cursor_y, 
00318                                                                                 tracks->canvas->shift_down(),
00319                                                                                 tracks->canvas->ctrl_down(),
00320                                                                                 tracks->canvas->get_buttonpress(),
00321                                                                                 mwindow->session->tracks_vertical);
00322 
00323         return result;
00324 }
00325 
00326 
00327 int VTrack::move_auto_derived(float zoom_units, float view_start, AutoConf *auto_conf, int cursor_x, int cursor_y, int shift_down)
00328 {
00329         int result;
00330         result = 0;
00331 
00332         if(auto_conf->camera)
00333                 result = camera_autos->move_auto(tracks->canvas, 
00334                                                                         pixel, 
00335                                                                         mwindow->zoom_track, 
00336                                                                         zoom_units, 
00337                                                                         view_start, 
00338                                                                         cursor_x, 
00339                                                                         cursor_y, 
00340                                                                         shift_down, 
00341                                                                         mwindow->session->tracks_vertical);
00342 
00343         if(auto_conf->projector && !result)
00344                 result = projector_autos->move_auto(tracks->canvas, 
00345                                                                         pixel, 
00346                                                                         mwindow->zoom_track, 
00347                                                                         zoom_units, 
00348                                                                         view_start, 
00349                                                                         cursor_x, 
00350                                                                         cursor_y, 
00351                                                                         shift_down, 
00352                                                                         mwindow->session->tracks_vertical);
00353 
00354         if(result)
00355         {
00356                 mwindow->tracks->hide_overlays(0);
00357                 draw_clear(0, tracks->canvas->w, 0, tracks->canvas->h, 0);
00358                 draw(0, tracks->canvas->w, 0, tracks->canvas->h, 0);
00359                 mwindow->tracks->show_overlays(0);
00360         }
00361 
00362         return result;
00363 }
00364 
00365 int VTrack::draw_floating_autos_derived(float view_start, float zoom_units, AutoConf *auto_conf, int flash)
00366 {
00367         if(auto_conf->camera) 
00368                 camera_autos->draw_floating_autos(tracks->canvas, 
00369                                                                 pixel, 
00370                                                                 mwindow->zoom_track, 
00371                                                                 zoom_units, 
00372                                                                 view_start, 
00373                                                                 mwindow->session->tracks_vertical, flash);
00374 
00375         if(auto_conf->projector) 
00376                 projector_autos->draw_floating_autos(tracks->canvas, 
00377                                                                 pixel, 
00378                                                                 mwindow->zoom_track, 
00379                                                                 zoom_units, 
00380                                                                 view_start, 
00381                                                                 mwindow->session->tracks_vertical, flash);
00382 }
00383 
00384 int VTrack::release_auto_derived()
00385 {
00386         int result;
00387         result = 0;
00388 
00389         result = camera_autos->release_auto();
00390         if(!result) result = projector_autos->release_auto();
00391                 
00392         return result;
00393 }
00394 
00395 int VTrack::scale_video(float camera_scale, float projector_scale, int *offsets)
00396 {
00397 // Fix the camera.
00398         for(VEdit *current = (VEdit*)edits->first; current; current = (VEdit*)NEXT)
00399         {
00400                 current->center_z *= camera_scale;
00401                 current->center_x = -offsets[0];
00402                 current->center_y = -offsets[1];
00403         }
00404 
00405 // Fix the projector.
00406         projector_autos->scale_video(projector_scale, &offsets[2]);
00407 }
00408 
00409 int VTrack::render(VFrame **output, long input_len, long input_position, float step)
00410 {
00411         BezierAuto *before[4], *after[4];     // for bounding box
00412         int i;
00413         for(i = 0; i < 4; i++) { before[i] = 0;  after[i] = 0; }
00414 
00415 // clear output buffer
00416 //      for(i = 0; i < input_len; i++)
00417 //      {
00418 //              output[i]->clear_frame();
00419 //      }
00420         output[0]->clear_frame();
00421 
00422 // Render from the last edit to the first edit to accomidate feathering
00423         for(VEdit *current = (VEdit*)edits->last; current; current = (VEdit*)PREVIOUS)
00424         {
00425 //if(current == (VEdit*)edits->first || current == (VEdit*)edits->first->next)
00426 //      printf("%d %d %d\n", input_position, current->startproject, current->startproject + current->length);
00427                 if(input_position < current->startproject + current->length + current->feather_right &&
00428                         input_position >= current->startproject)
00429                         current->render(output, 
00430                                 input_len, 
00431                                 input_position, 
00432                                 step, 
00433                                 before, 
00434                                 after, 
00435                                 get_patch_of()->automate);
00436         }
00437 }
00438 
00439 int VTrack::get_projection(float &in_x1, float &in_y1, float &in_x2, float &in_y2,
00440                                         float &out_x1, float &out_y1, float &out_x2, float &out_y2,
00441                                         int frame_w, int frame_h, long real_position,
00442                                         BezierAuto **before, BezierAuto **after)
00443 {
00444         static float center_x, center_y, center_z;
00445         static float x[4], y[4];
00446 
00447         projector_autos->get_center(center_x, center_y, center_z, (float)real_position, 0, before, after);
00448         x[0] = y[0] = 0;
00449         x[1] = frame_w;
00450         y[1] = frame_h;
00451 
00452         center_x += mwindow->output_w / 2;
00453         center_y += mwindow->output_h / 2;
00454 
00455         x[2] = center_x - (frame_w / 2) * center_z;
00456         y[2] = center_y - (frame_h / 2) * center_z;
00457         x[3] = x[2] + frame_w * center_z;
00458         y[3] = y[2] + frame_h * center_z;
00459 
00460         if(x[2] < 0)
00461         {
00462                 x[0] -= x[2] / center_z;
00463                 x[2] = 0;
00464         }
00465         if(y[2] < 0)
00466         {
00467                 y[0] -= y[2] / center_z;
00468                 y[2] = 0;
00469         }
00470         if(x[3] > mwindow->output_w)
00471         {
00472                 x[1] -= (x[3] - mwindow->output_w) / center_z;
00473                 x[3] = mwindow->output_w;
00474         }
00475         if(y[3] > mwindow->output_h)
00476         {
00477                 y[1] -= (y[3] - mwindow->output_h) / center_z;
00478                 y[3] = mwindow->output_h;
00479         }
00480         
00481         in_x1 = x[0];
00482         in_y1 = y[0];
00483         in_x2 = x[1];
00484         in_y2 = y[1];
00485         out_x1 = x[2];
00486         out_y1 = y[2];
00487         out_x2 = x[3];
00488         out_y2 = y[3];
00489 }
00490 
00491 int VTrack::scale_time_derived(float rate_scale, int scale_edits, int scale_autos, long start, long end)
00492 {
00493         camera_autos->scale_time(rate_scale, scale_edits, scale_autos, start, end);
00494         projector_autos->scale_time(rate_scale, scale_edits, scale_autos, start, end);
00495 }
00496 

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