fc1380edfc9b32391fcef17707543b427322daea
[goodguy/history.git] / cinelerra-5.1 / cinelerra / proxy.C
1
2 /*
3  * CINELERRA
4  * Copyright (C) 2015 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 "assets.h"
23 #include "audiodevice.h"
24 #include "bcsignals.h"
25 #include "cache.h"
26 #include "clip.h"
27 #include "cstrdup.h"
28 #include "edl.h"
29 #include "edlsession.h"
30 #include "errorbox.h"
31 #include "file.h"
32 #include "filesystem.h"
33 #include "formattools.h"
34 #include "language.h"
35 #include "mainerror.h"
36 #include "mainindexes.h"
37 #include "mainprogress.h"
38 #include "mainundo.h"
39 #include "mutex.h"
40 #include "mwindow.h"
41 #include "mwindowgui.h"
42 #include "overlayframe.h"
43 #include "preferences.h"
44 #include "proxy.h"
45 #include "renderengine.h"
46 #include "theme.h"
47 #include "transportque.h"
48 #include "vrender.h"
49
50 #define WIDTH 400
51 #define HEIGHT 330
52 #define MAX_SCALE 16
53
54 ProxyMenuItem::ProxyMenuItem(MWindow *mwindow)
55  : BC_MenuItem(_("Proxy settings..."),  _("Alt-r"), 'r')
56 {
57         this->mwindow = mwindow;
58         set_alt();
59         dialog = 0;
60 }
61 ProxyMenuItem::~ProxyMenuItem()
62 {
63         delete dialog;
64 }
65
66 void ProxyMenuItem::create_objects()
67 {
68         dialog = new ProxyDialog(mwindow);
69 }
70
71 int ProxyMenuItem::handle_event()
72 {
73         mwindow->gui->unlock_window();
74         dialog->start();
75         mwindow->gui->lock_window("ProxyMenuItem::handle_event");
76
77         return 1;
78 }
79
80 ProxyDialog::ProxyDialog(MWindow *mwindow)
81 {
82         this->mwindow = mwindow;
83         gui = 0;
84         asset = new Asset;
85         bzero(size_text, sizeof(char*) * MAX_SIZES);
86         bzero(size_factors, sizeof(int) * MAX_SIZES);
87         size_text[0] = cstrdup(_("Original size"));
88         size_factors[0] = 1;
89         total_sizes = 1;
90 }
91
92 ProxyDialog::~ProxyDialog()
93 {
94         close_window();
95         for( int i=0; i<MAX_SIZES; ++i ) delete [] size_text[i];
96         asset->remove_user();
97 }
98
99 BC_Window* ProxyDialog::new_gui()
100 {
101         asset->format = FILE_FFMPEG;
102         asset->load_defaults(mwindow->defaults, "PROXY_", 1, 1, 0, 0, 0);
103         mwindow->gui->lock_window("ProxyDialog::new_gui");
104         int cx, cy;
105         mwindow->gui->get_abs_cursor(cx, cy);
106         gui = new ProxyWindow(mwindow, this, cx - WIDTH/2, cy - HEIGHT/2);
107         gui->create_objects();
108         mwindow->gui->unlock_window();
109         return gui;
110 }
111
112 void ProxyDialog::scale_to_text(char *string, int scale)
113 {
114         strcpy(string, size_text[0]);
115         for( int i = 0; i < total_sizes; i++ ) {
116                 if( scale == size_factors[i] ) {
117                         strcpy(string, size_text[i]);
118                         break;
119                 }
120         }
121 }
122
123
124 void ProxyDialog::calculate_sizes()
125 {
126         for( int i=1; i<total_sizes; ++i ) {
127                 delete [] size_text[i];
128                 size_text[i] = 0;
129                 size_factors[i] = 0;
130         }
131         total_sizes = 1;
132
133         int orig_w = mwindow->edl->session->output_w * orig_scale;
134         int orig_h = mwindow->edl->session->output_h * orig_scale;
135
136         if( !use_scaler ) {
137 // w,h should stay even for yuv
138                 int ow = orig_w, oh = orig_h;
139                 if( BC_CModels::is_yuv(mwindow->edl->session->color_model) ) {
140                         ow /= 2;  oh /= 2;
141                 }
142                 for( int i=2; i<MAX_SCALE; ++i ) {
143                         if( (ow % i) != 0 ) continue;
144                         if( (oh % i) != 0 ) continue;
145                         size_factors[total_sizes++] = i;
146                 }
147         }
148         else {
149                 size_factors[total_sizes++] = 2;   size_factors[total_sizes++] = 3;
150                 size_factors[total_sizes++] = 8;   size_factors[total_sizes++] = 12;
151                 size_factors[total_sizes++] = 16;  size_factors[total_sizes++] = 24;
152                 size_factors[total_sizes++] = 32;
153         }
154         for( int i=1; i<total_sizes; ++i ) {
155                 char string[BCTEXTLEN];
156                 sprintf(string, "1/%d", size_factors[i]);
157                 size_text[i] = cstrdup(string);
158         }
159 }
160
161 void ProxyDialog::handle_close_event(int result)
162 {
163         if( result ) return;
164         mwindow->edl->session->proxy_use_scaler = use_scaler;
165         mwindow->edl->session->proxy_auto_scale = auto_scale;
166         mwindow->edl->session->proxy_beep = beep;
167         mwindow->edl->session->proxy_disabled_scale = 1;
168         asset->save_defaults(mwindow->defaults, "PROXY_", 1, 1, 0, 0, 0); 
169         result = mwindow->to_proxy(asset, new_scale);
170         if( result >= 0 && beep && new_scale != 1 ) {
171                 static struct { double freq, secs, gain; }
172                     tone[2] = { { 2000., 1.5, 0.5 }, { 4000., 0.25, 0.5 } };
173                 int i = result > 0 ? 0 : 1;
174                 mwindow->beep(tone[i].freq, tone[i].secs, tone[i].gain);
175         }
176 }
177
178 void ProxyRender::to_proxy_path(char *new_path, Indexable *indexable, int scale)
179 {
180 // path is already a proxy
181         if( strstr(indexable->path, ".proxy") ) return;
182         strcpy(new_path, indexable->path);
183         char prxy[BCSTRLEN];
184         int n = sprintf(prxy, ".proxy%d", scale);
185 // insert proxy, path.sfx => path.proxy#-sfx.ext
186         char *ep = new_path + strlen(new_path);
187         char *sfx = strrchr(new_path, '.');
188         if( sfx ) {
189                 char *bp = ep, *cp = (ep += n);
190                 while( --bp > sfx ) *--cp = *bp;
191                 *--cp = '-';
192         }
193         else {
194                 sfx = ep;  ep += n;
195         }
196         for( char *cp=prxy; --n>=0; ++cp ) *sfx++ = *cp;
197         *ep++ = '.';
198         const char *ext = indexable->get_video_frames() < 0 ?  "png" :
199                 format_asset->format == FILE_FFMPEG ?
200                         format_asset->fformat :
201                         File::get_tag(format_asset->format);
202         while( *ext ) *ep++ = *ext++;
203         *ep = 0;
204 //printf("ProxyRender::to_proxy_path %d %s %s\n", __LINE__, new_path), asset->path);
205 }
206
207 int ProxyRender::from_proxy_path(char *new_path, Indexable *indexable, int scale)
208 {
209         char prxy[BCTEXTLEN];
210         int n = sprintf(prxy, ".proxy%d", scale);
211         strcpy(new_path, indexable->path);
212         char *ptr = strstr(new_path, prxy);
213         if( !ptr || (ptr[n] != '-' && ptr[n] != '.') ) return 1;
214 // remove proxy, path.proxy#-sfx.ext => path.sfx
215         char *ext = strrchr(ptr, '.');
216         if( !ext ) ext = ptr + strlen(ptr);
217         char *cp = ptr + n;
218         for( *cp='.'; cp<ext; ++cp ) *ptr++ = *cp;
219         *ptr = 0;
220         return 0;
221 }
222
223 ProxyRender::ProxyRender(MWindow *mwindow, Asset *format_asset)
224 {
225         this->mwindow = mwindow;
226         this->format_asset = format_asset;
227         progress = 0;
228         counter_lock = new Mutex("ProxyDialog::counter_lock");
229         total_rendered = 0;
230         failed = 0;  canceled = 0;
231 }
232
233 ProxyRender::~ProxyRender()
234 {
235         delete progress;
236         delete counter_lock;
237
238         for( int i=0,n=orig_idxbls.size(); i<n; ++i ) orig_idxbls[i]->remove_user();
239         for( int i=0,n=orig_proxies.size(); i<n; ++i ) orig_proxies[i]->remove_user();
240         for( int i=0,n=needed_idxbls.size(); i<n; ++i ) needed_idxbls[i]->remove_user();
241         for( int i=0,n=needed_proxies.size(); i<n; ++i ) needed_proxies[i]->remove_user();
242 }
243
244 Asset *ProxyRender::add_original(Indexable *idxbl, int new_scale)
245 {
246         if( !idxbl->have_video() ) return 0;
247 // don't proxy proxies
248         if( strstr(idxbl->path,".proxy") ) return 0;
249         char new_path[BCTEXTLEN];
250         to_proxy_path(new_path, idxbl, new_scale);
251 // don't proxy if not readable
252         if( idxbl->is_asset && access(idxbl->path, R_OK) ) return 0;
253 // add to orig_idxbls & orig_proxies if it isn't already there.
254         int got_it = 0;
255         for( int i = 0; !got_it && i<orig_proxies.size(); ++i )
256                 got_it = !strcmp(orig_proxies[i]->path, new_path);
257         if( got_it ) return 0;
258         Assets *edl_assets = mwindow->edl->assets;
259         Asset *proxy = edl_assets->get_asset(new_path);
260         if( !proxy ) {
261                 proxy = new Asset(new_path);
262 // new compression parameters
263                 int64_t video_length = idxbl->get_video_frames();
264                 if( video_length < 0 ) {
265                         proxy->format = FILE_PNG;
266                         proxy->png_use_alpha = 1;
267                         proxy->video_length = 1;
268                 }
269                 else {
270                         proxy->copy_format(format_asset, 0);
271                         proxy->video_length = video_length;
272                 }
273                 proxy->awindow_folder = AW_PROXY_FOLDER;
274                 proxy->audio_data = 0;
275                 proxy->video_data = 1;
276                 proxy->layers = 1;
277                 proxy->width = idxbl->get_w() / new_scale;
278                 if( proxy->width & 1 ) ++proxy->width;
279                 proxy->actual_width = proxy->width;
280                 proxy->height = idxbl->get_h() / new_scale;
281                 if( proxy->height & 1 ) ++proxy->height;
282                 proxy->actual_height = proxy->height;
283                 proxy->frame_rate = idxbl->get_frame_rate();
284                 edl_assets->append(proxy);
285         }
286         proxy->add_user();
287         orig_proxies.append(proxy);
288         idxbl->add_user();
289         orig_idxbls.append(idxbl);
290         return proxy;
291 }
292
293 void ProxyRender::add_needed(Indexable *idxbl, Asset *proxy)
294 {
295         needed_idxbls.append(idxbl);
296         idxbl->add_user();
297         needed_proxies.append(proxy);
298         proxy->add_user();
299 }
300
301 void ProxyRender::update_progress()
302 {
303         counter_lock->lock();
304         ++total_rendered;
305         counter_lock->unlock();
306         progress->update(total_rendered);
307 }
308
309 int ProxyRender::is_canceled()
310 {
311         return progress->is_cancelled();
312 }
313
314 int ProxyRender::create_needed_proxies(int new_scale)
315 {
316         if( !needed_proxies.size() ) return 0;
317         total_rendered = 0;
318         failed = 0;  canceled = 0;
319
320 // create proxy assets which don't already exist
321         int64_t total_len = 0;
322         for( int i = 0; i < needed_idxbls.size(); i++ ) {
323                 total_len += needed_idxbls[i]->get_video_frames();
324         }
325
326 // start progress bar.  MWindow is locked inside this
327         progress = mwindow->mainprogress->
328                 start_progress(_("Creating proxy files..."), total_len);
329
330         ProxyFarm engine(mwindow, this, &needed_idxbls, &needed_proxies);
331         engine.process_packages();
332 printf("failed=%d canceled=%d\n", failed, progress->is_cancelled());
333
334 // stop progress bar
335         canceled = progress->is_cancelled();
336         progress->stop_progress();
337         delete progress;  progress = 0;
338
339         if( failed && !canceled ) {
340                 eprintf("Error making proxy.");
341         }
342         return !failed && !canceled ? 0 : 1;
343 }
344
345
346 ProxyWindow::ProxyWindow(MWindow *mwindow, ProxyDialog *dialog, int x, int y)
347  : BC_Window(_(PROGRAM_NAME ": Proxy settings"), x, y, WIDTH, HEIGHT,
348                 -1, -1, 0, 0, 1)
349 {
350         this->mwindow = mwindow;
351         this->dialog = dialog;
352         format_tools = 0;
353 }
354
355 ProxyWindow::~ProxyWindow()
356 {
357         lock_window("ProxyWindow::~ProxyWindow");
358         delete format_tools;
359         unlock_window();
360 }
361
362
363 void ProxyWindow::create_objects()
364 {
365         lock_window("ProxyWindow::create_objects");
366         int margin = mwindow->theme->widget_border;
367
368         dialog->use_scaler = mwindow->edl->session->proxy_use_scaler;
369         dialog->orig_scale = mwindow->edl->session->proxy_scale;
370         dialog->auto_scale = mwindow->edl->session->proxy_auto_scale;
371         dialog->beep = mwindow->edl->session->proxy_beep;
372         dialog->new_scale = dialog->orig_scale;
373
374         int x = margin;
375         int y = margin+10;
376         add_subwindow(use_scaler = new ProxyUseScaler(this, x, y));
377         y += use_scaler->get_h() + margin;
378
379         BC_Title *text;
380         add_subwindow(text = new BC_Title(x, y, _("Scale factor:")));
381         x += text->get_w() + margin;
382
383         int popupmenu_w = BC_PopupMenu::calculate_w(get_text_width(MEDIUMFONT, dialog->size_text[0]));
384         add_subwindow(scale_factor = new ProxyMenu(mwindow, this, x, y, popupmenu_w, ""));
385         scale_factor->update_sizes();
386         x += scale_factor->get_w() + margin;
387
388         ProxyTumbler *tumbler;
389         add_subwindow(tumbler = new ProxyTumbler(mwindow, this, x, y));
390         y += tumbler->get_h() + margin;
391
392         x = margin;
393         add_subwindow(text = new BC_Title(x, y, _("New media dimensions: ")));
394         x += text->get_w() + margin;
395         add_subwindow(new_dimensions = new BC_Title(x, y, ""));
396         y += new_dimensions->get_h() + margin;
397
398         x = margin;
399         add_subwindow(text = new BC_Title(x, y, _("Active Scale: ")));
400         x += text->get_w() + margin;
401         add_subwindow(active_scale = new BC_Title(x, y, ""));
402         y += active_scale->get_h() + margin;
403
404         x = margin;  y += 25;
405         format_tools = new ProxyFormatTools(mwindow, this, dialog->asset);
406         format_tools->create_objects(x, y, 0, 1, 0, 0, 0, 1, 0, 1, // skip the path
407                 0, 0);
408
409         x = margin;
410         add_subwindow(auto_scale = new ProxyAutoScale(this, x, y));
411         y += auto_scale->get_h() + margin;
412         add_subwindow(beep_on_done = new ProxyBeepOnDone(this, x, y));
413         y += beep_on_done->get_h() + margin;
414
415         update();
416
417         add_subwindow(new BC_OKButton(this));
418         add_subwindow(new BC_CancelButton(this));
419         show_window(1);
420         unlock_window();
421 }
422
423 ProxyFormatTools::ProxyFormatTools(MWindow *mwindow, ProxyWindow *pwindow, Asset *asset)
424  : FormatTools(mwindow, pwindow, asset)
425 {
426         this->pwindow = pwindow;
427 }
428
429 void ProxyFormatTools::update_format()
430 {
431         FormatTools::update_format();
432         pwindow->use_scaler->update();
433 }
434
435 void ProxyWindow::update()
436 {
437         char string[BCSTRLEN];
438         int orig_w = mwindow->edl->session->output_w * dialog->orig_scale;
439         int orig_h = mwindow->edl->session->output_h * dialog->orig_scale;
440         int new_w = orig_w / dialog->new_scale;
441         if( new_w & 1 ) ++new_w;
442         int new_h = orig_h / dialog->new_scale;
443         if( new_h & 1 ) ++new_h;
444         sprintf(string, "%dx%d", new_w, new_h);
445         new_dimensions->update(string);
446         dialog->scale_to_text(string, dialog->new_scale);
447         scale_factor->set_text(string);
448         use_scaler->update();
449         auto_scale->update();
450         int scale = mwindow->edl->session->proxy_scale;
451         if( scale == 1 ) scale = mwindow->edl->session->proxy_disabled_scale;
452         sprintf(string, scale>1 ? "1/%d" : "%d", scale);
453         active_scale->update(string);
454 }
455
456
457 ProxyUseScaler::ProxyUseScaler(ProxyWindow *pwindow, int x, int y)
458  : BC_CheckBox(x, y, pwindow->dialog->use_scaler, _("Use scaler   (FFMPEG only)"))
459 {
460         this->pwindow = pwindow;
461 }
462
463 void ProxyUseScaler::update()
464 {
465         ProxyDialog *dialog = pwindow->dialog;
466         if( dialog->asset->format != FILE_FFMPEG ) dialog->use_scaler = 0;
467         BC_CheckBox::update(dialog->use_scaler);
468         int scaler_avail = dialog->asset->format == FILE_FFMPEG ? 1 : 0;
469         if( !scaler_avail &&  enabled ) disable();
470         if( scaler_avail  && !enabled ) enable();
471 }
472
473 int ProxyUseScaler::handle_event()
474 {
475         pwindow->dialog->use_scaler = get_value();
476         pwindow->scale_factor->update_sizes();
477         pwindow->update();
478         return 1;
479 }
480
481 ProxyAutoScale::ProxyAutoScale(ProxyWindow *pwindow, int x, int y)
482  : BC_CheckBox(x, y, pwindow->dialog->auto_scale, _("Auto proxy/scale media loads"))
483 {
484         this->pwindow = pwindow;
485 }
486
487 void ProxyAutoScale::update()
488 {
489         ProxyDialog *dialog = pwindow->dialog;
490         if( dialog->new_scale == 1 ) dialog->auto_scale = 0;
491         BC_CheckBox::update(dialog->auto_scale);
492         int can_auto_proxy = dialog->new_scale != 1 ? 1 : 0;
493         if( !can_auto_proxy &&  enabled ) disable();
494         if( can_auto_proxy  && !enabled ) enable();
495 }
496
497 int ProxyAutoScale::handle_event()
498 {
499         pwindow->dialog->auto_scale = get_value();
500         pwindow->update();
501         return 1;
502 }
503
504 ProxyBeepOnDone::ProxyBeepOnDone(ProxyWindow *pwindow, int x, int y)
505  : BC_CheckBox(x, y, pwindow->dialog->beep, _("Beep on done"))
506 {
507         this->pwindow = pwindow;
508 }
509
510 int ProxyBeepOnDone::handle_event()
511 {
512         pwindow->dialog->beep = get_value();
513         pwindow->update();
514         return 1;
515 }
516
517
518 ProxyMenu::ProxyMenu(MWindow *mwindow, ProxyWindow *pwindow,
519                 int x, int y, int w, const char *text)
520  : BC_PopupMenu(x, y, w, text, 1)
521 {
522         this->mwindow = mwindow;
523         this->pwindow = pwindow;
524 }
525
526 void ProxyMenu::update_sizes()
527 {
528         while( total_items() > 0 ) del_item(0);
529         ProxyDialog *dialog = pwindow->dialog;
530         dialog->calculate_sizes();
531         for( int i=0; i < dialog->total_sizes; i++ )
532                 add_item(new BC_MenuItem(dialog->size_text[i]));
533 }
534
535 int ProxyMenu::handle_event()
536 {
537         ProxyDialog *dialog = pwindow->dialog;
538         for( int i = 0; i < dialog->total_sizes; i++ ) {
539                 if( !strcmp(get_text(), pwindow->dialog->size_text[i]) ) {
540                         dialog->new_scale = pwindow->dialog->size_factors[i];
541                         if( dialog->new_scale == 1 ) dialog->use_scaler = 0;
542                         pwindow->update();
543                         break;
544                 }
545         }
546         return 1;
547 }
548
549
550 ProxyTumbler::ProxyTumbler(MWindow *mwindow, ProxyWindow *pwindow, int x, int y)
551  : BC_Tumbler(x, y, 0)
552 {
553         this->mwindow = mwindow;
554         this->pwindow = pwindow;
555 }
556
557 int ProxyTumbler::handle_up_event()
558 {
559         if( pwindow->dialog->new_scale > 1 ) {
560                 int i;
561                 for( i = 0; i < pwindow->dialog->total_sizes; i++ ) {
562                         if( pwindow->dialog->new_scale == pwindow->dialog->size_factors[i] ) {
563                                 i--;
564                                 pwindow->dialog->new_scale = pwindow->dialog->size_factors[i];
565                                 pwindow->update();
566                                 return 1;
567                         }
568                 }               
569         }
570
571         return 0;
572 }
573
574 int ProxyTumbler::handle_down_event()
575 {
576         int i;
577         for( i = 0; i < pwindow->dialog->total_sizes - 1; i++ ) {
578                 if( pwindow->dialog->new_scale == pwindow->dialog->size_factors[i] ) {
579                         i++;
580                         pwindow->dialog->new_scale = pwindow->dialog->size_factors[i];
581                         pwindow->update();
582                         return 1;
583                 }
584         }
585
586         return 0;
587 }
588
589
590
591 ProxyPackage::ProxyPackage()
592  : LoadPackage()
593 {
594 }
595
596 ProxyClient::ProxyClient(MWindow *mwindow,
597                 ProxyRender *proxy_render, ProxyFarm *server)
598  : LoadClient(server)
599 {
600         this->mwindow = mwindow;
601         this->proxy_render = proxy_render;
602         render_engine = 0;
603         video_cache = 0;
604         src_file = 0;
605 }
606 ProxyClient::~ProxyClient()
607 {
608         delete render_engine;
609         delete video_cache;
610         delete src_file;
611 }
612
613 void ProxyClient::process_package(LoadPackage *ptr)
614 {
615         if( proxy_render->failed ) return;
616         if( proxy_render->is_canceled() ) return;
617
618         EDL *edl = mwindow->edl;
619         Preferences *preferences = mwindow->preferences;
620         ProxyPackage *package = (ProxyPackage*)ptr;
621         Indexable *orig = package->orig_idxbl;
622         Asset *proxy = package->proxy_asset;
623 //printf("%s %s\n", orig->path, proxy->path);
624         VRender *vrender = 0;
625         int jobs = proxy_render->needed_proxies.size();
626         int processors = preferences->project_smp / jobs + 1, result = 0;
627
628         if( orig->is_asset ) {
629                 src_file = new File;
630                 src_file->set_processors(processors);
631                 src_file->set_preload(edl->session->playback_preload);
632                 src_file->set_subtitle(edl->session->decode_subtitles ? 
633                         edl->session->subtitle_number : -1);
634                 src_file->set_interpolate_raw(edl->session->interpolate_raw);
635                 src_file->set_white_balance_raw(edl->session->white_balance_raw);
636                 if( src_file->open_file(preferences, (Asset*)orig, 1, 0) != FILE_OK )
637                         result = 1;
638         }
639         else {
640                 TransportCommand command;
641                 command.command = CURRENT_FRAME;
642                 command.get_edl()->copy_all((EDL *)orig);
643                 command.change_type = CHANGE_ALL;
644                 command.realtime = 0;
645                 render_engine = new RenderEngine(0, preferences, 0, 0);
646                 render_engine->set_vcache(video_cache = new CICache(preferences));
647                 render_engine->arm_command(&command);
648                 if( !(vrender = render_engine->vrender) )
649                         result = 1;
650         }
651         if( result ) {
652 // go to the next asset if the reader fails
653 //              proxy_render->failed = 1;
654                 return;
655         }
656
657         File dst_file;
658         dst_file.set_processors(processors);
659         result = dst_file.open_file(preferences, proxy, 0, 1);
660         if( result ) {
661                 proxy_render->failed = 1;
662                 return;
663         }
664
665         dst_file.start_video_thread(1, edl->session->color_model,
666                         processors > 1 ? 2 : 1, 0);
667
668         int src_w = orig->get_w(), src_h = orig->get_h();
669         VFrame src_frame(src_w,src_h, edl->session->color_model);
670
671         OverlayFrame scaler(processors);
672         int64_t video_length = orig->get_video_frames();
673         if( video_length < 0 ) video_length = 1;
674
675         for( int64_t i=0; i<video_length &&
676              !proxy_render->failed && !proxy_render->is_canceled(); ++i ) {
677                 if( orig->is_asset ) {
678                         src_file->set_video_position(i, 0);
679                         result = src_file->read_frame(&src_frame);
680                 }
681                 else
682                         result = vrender->process_buffer(&src_frame, i, 0);
683 //printf("result=%d\n", result);
684
685                 if( result ) {
686 // go to the next asset if the reader fails
687 //                      proxy_render->failed = 1;
688                         break;
689                 }
690
691 // have to write after getting the video buffer or it locks up
692                 VFrame ***dst_frames = dst_file.get_video_buffer();
693                 VFrame *dst_frame = dst_frames[0][0];
694                 int dst_w = dst_frame->get_w(), dst_h = dst_frame->get_h();
695                 scaler.overlay(dst_frame, &src_frame,
696                         0,0, src_w,src_h, 0,0, dst_w,dst_h,
697                         1.0, TRANSFER_REPLACE, NEAREST_NEIGHBOR);
698                 result = dst_file.write_video_buffer(1);
699                 if( result ) {
700 // only fail if the writer fails
701                         proxy_render->failed = 1;
702                         break;
703                 }
704                 proxy_render->update_progress();
705         }
706         if( !proxy_render->failed && !proxy_render->is_canceled() ) {
707                 Asset *asset = mwindow->edl->assets->update(proxy);
708                 mwindow->mainindexes->add_next_asset(0, asset);
709                 mwindow->mainindexes->start_build();
710         }
711 }
712
713
714 ProxyFarm::ProxyFarm(MWindow *mwindow, ProxyRender *proxy_render,
715                 ArrayList<Indexable*> *orig_idxbls,
716                 ArrayList<Asset*> *proxy_assets)
717  : LoadServer(MIN(mwindow->preferences->processors, proxy_assets->size()), 
718         proxy_assets->size())
719 {
720         this->mwindow = mwindow;
721         this->proxy_render = proxy_render;
722         this->orig_idxbls = orig_idxbls;
723         this->proxy_assets = proxy_assets;
724 }
725
726 void ProxyFarm::init_packages()
727 {
728         for( int i = 0; i < get_total_packages(); i++ ) {
729                 ProxyPackage *package = (ProxyPackage*)get_package(i);
730                 package->proxy_asset = proxy_assets->get(i);
731                 package->orig_idxbl = orig_idxbls->get(i);
732         }
733 }
734
735 LoadClient* ProxyFarm::new_client()
736 {
737         return new ProxyClient(mwindow, proxy_render, this);
738 }
739
740 LoadPackage* ProxyFarm::new_package()
741 {
742         return new ProxyPackage;
743 }
744
745
746 ProxyBeep::ProxyBeep(MWindow *mwindow)
747  : Thread(1, 0, 0)
748 {
749         this->mwindow = mwindow;
750         audio = new AudioDevice(mwindow);
751         playing_audio = 0;
752         interrupted = -1;
753 }
754
755 ProxyBeep::~ProxyBeep()
756 {
757         stop(0);
758         delete audio;
759 }
760
761 void ProxyBeep::run()
762 {
763         int channels = 2;
764         int64_t bfrsz = BEEP_SAMPLE_RATE;
765         EDL *edl = mwindow->edl;
766         EDLSession *session = edl->session;
767         AudioOutConfig *aconfig = session->playback_config->aconfig;
768         audio->open_output(aconfig, BEEP_SAMPLE_RATE, bfrsz, channels, 0);
769         audio->start_playback();
770
771         double out0[bfrsz], out1[bfrsz], *out[2] = { out0, out1 };
772         const double two_pi = 2*M_PI;
773         int64_t audio_len = BEEP_SAMPLE_RATE * secs;
774         const double dt = two_pi * freq/BEEP_SAMPLE_RATE;
775         double th = 0;
776
777         audio_pos = 0;
778         playing_audio = 1;
779         while( !interrupted ) {
780                 int len = audio_len - audio_pos;
781                 if( len <= 0 ) break;
782                 if( len > bfrsz ) len = bfrsz;
783                 int k = audio_pos;
784                 for( int i=0; i<len; ++i,++k,th+=dt ) {
785                         double t = th - two_pi;
786                         if( t >= 0 ) th = t;
787                         out0[i] = out1[i] = sin(th) * gain;
788                 }
789                 audio->write_buffer(out, channels, len);
790                 audio_pos = k;
791         }
792
793         if( !interrupted )
794                 audio->set_last_buffer();
795         audio->stop_audio(interrupted ? 0 : 1);
796         playing_audio = 0;
797
798         audio->close_all();
799 }
800
801 void ProxyBeep::start()
802 {
803         if( running() ) return;
804         audio_pos = -1;
805         interrupted = 0;
806         Thread::start();
807 }
808
809 void ProxyBeep::stop(int wait)
810 {
811         if( running() && !interrupted ) {
812                 interrupted = 1;
813                 audio->stop_audio(wait);
814         }
815         Thread::join();
816 }
817
818 void ProxyBeep::tone(double freq, double secs, double gain)
819 {
820         stop(0);
821         this->freq = freq;
822         this->secs = secs;
823         this->gain = gain;
824         start();
825 }
826