smooth lines, motion51, opengl pbuffer bit typo, misc fixes
[goodguy/history.git] / cinelerra-5.1 / cinelerra / fileffmpeg.C
1
2 #include <stdio.h>
3 #include <stdint.h>
4 #include <stdlib.h>
5 #include <unistd.h>
6 #include <string.h>
7 // work around for __STDC_CONSTANT_MACROS
8 #include <lzma.h>
9
10 #include "asset.h"
11 #include "bcwindowbase.h"
12 #include "bitspopup.h"
13 #include "ctype.h"
14 #include "ffmpeg.h"
15 #include "filebase.h"
16 #include "file.h"
17 #include "fileffmpeg.h"
18 #include "filesystem.h"
19 #include "indexfile.h"
20 #include "language.h"
21 #include "mainerror.h"
22 #include "mainprogress.h"
23 #include "mutex.h"
24 #include "preferences.h"
25 #include "videodevice.inc"
26
27 FileFFMPEG::FileFFMPEG(Asset *asset, File *file)
28   : FileBase(asset, file)
29 {
30         ff = 0;
31         if(asset->format == FILE_UNKNOWN)
32                 asset->format = FILE_FFMPEG;
33 }
34
35 FileFFMPEG::~FileFFMPEG()
36 {
37         delete ff;
38 }
39
40
41 FFMpegConfigNum::FFMpegConfigNum(BC_Window *window,
42                 int x, int y, char *title_text, int *output)
43  : BC_TumbleTextBox(window, (int64_t)*output,
44         (int64_t)-1, (int64_t)25000000, 100, y, 100)
45 {
46         this->window = window;
47         this->x = x;  this->y = y;
48         this->title_text = title_text;
49         this->output = output;
50 }
51
52 FFMpegConfigNum::~FFMpegConfigNum()
53 {
54 }
55
56 void FFMpegConfigNum::create_objects()
57 {
58         window->add_subwindow(title = new BC_Title(x, y, title_text));
59         BC_TumbleTextBox::create_objects();
60 }
61
62 int FFMpegConfigNum::update_text(const char *text)
63 {
64         BC_TumbleTextBox::update(text);
65         return handle_event();
66 }
67
68 int FFMpegConfigNum::handle_event()
69 {
70         *output = atol(get_text());
71         return 1;
72 }
73
74 FFMpegAudioNum::FFMpegAudioNum(BC_Window *window,
75                 int x, int y, char *title_text, int *output)
76  : FFMpegConfigNum(window, x, y, title_text, output)
77 {
78 }
79
80 int FFMpegAudioBitrate::handle_event()
81 {
82         int ret = FFMpegAudioNum::handle_event();
83         return ret;
84 }
85
86 FFMpegVideoNum::FFMpegVideoNum(BC_Window *window,
87                 int x, int y, char *title_text, int *output)
88  : FFMpegConfigNum(window, x, y, title_text, output)
89 {
90 }
91
92 int FFMpegVideoBitrate::handle_event()
93 {
94         int ret = FFMpegVideoNum::handle_event();
95         Asset *asset = window()->asset;
96         if( asset->ff_video_bitrate )
97                 window()->quality->disable();
98         else
99                 window()->quality->enable();
100         return ret;
101 }
102
103 int FFMpegVideoQuality::handle_event()
104 {
105         int ret = FFMpegVideoNum::handle_event();
106         Asset *asset = window()->asset;
107         if( asset->ff_video_quality )
108                 window()->bitrate->disable();
109         else
110                 window()->bitrate->enable();
111         return ret;
112 }
113
114 void FileFFMPEG::set_parameters(char *cp, int len, const char *bp)
115 {
116         char *ep = cp + len-2, ch = 0;
117         while( cp < ep && *bp != 0 ) { ch = *bp++; *cp++ = ch; }
118         if( ch != '\n' ) *cp++ = '\n';
119         *cp = 0;
120 }
121
122 void FileFFMPEG::get_parameters(BC_WindowBase *parent_window,
123                 Asset *asset, BC_WindowBase *&format_window,
124                 int audio_options, int video_options)
125 {
126         if(audio_options) {
127                 FFMPEGConfigAudio *window = new FFMPEGConfigAudio(parent_window, asset);
128                 format_window = window;
129                 window->create_objects();
130                 if( !window->run_window() )
131                         set_parameters(asset->ff_audio_options, sizeof(asset->ff_audio_options),
132                                  window->audio_options->get_text());
133                 delete window;
134         }
135         else if(video_options) {
136                 FFMPEGConfigVideo *window = new FFMPEGConfigVideo(parent_window, asset);
137                 format_window = window;
138                 window->create_objects();
139                 if( !window->run_window() )
140                         set_parameters(asset->ff_video_options, sizeof(asset->ff_video_options),
141                                  window->video_options->get_text());
142                 delete window;
143         }
144 }
145
146 int FileFFMPEG::check_sig(Asset *asset)
147 {
148         char *ptr = strstr(asset->path, ".pcm");
149         if( ptr ) return 0;
150         ptr = strstr(asset->path, ".raw");
151         if( ptr ) return 0;
152
153         FFMPEG ffmpeg(0);
154         int ret = !ffmpeg.init_decoder(asset->path) &&
155                 !ffmpeg.open_decoder() ? 1 : 0;
156         return ret;
157 }
158
159 void FileFFMPEG::get_info(char *path, char *text, int len)
160 {
161         char *cp = text;
162         FFMPEG ffmpeg(0);
163         cp += sprintf(cp, _("file path: %s\n"), path);
164         struct stat st;
165         int ret = 0;
166         if( stat(path, &st) < 0 ) {
167                 cp += sprintf(cp, _(" err: %s\n"), strerror(errno));
168                 ret = 1;
169         }
170         else {
171                 cp += sprintf(cp, _("  %jd bytes\n"), st.st_size);
172         }
173         if( !ret ) ret = ffmpeg.init_decoder(path);
174         if( !ret ) ret = ffmpeg.open_decoder();
175         if( !ret ) {
176                 cp += sprintf(cp, _("info:\n"));
177                 ffmpeg.info(cp, len-(cp-text));
178         }
179         else
180                 sprintf(cp, _("== open failed\n"));
181 }
182
183 int FileFFMPEG::get_video_info(int track, int &pid, double &framerate,
184                 int &width, int &height, char *title)
185 {
186         if( !ff ) return -1;
187         pid = ff->ff_video_pid(track);
188         framerate = ff->ff_frame_rate(track);
189         width = ff->ff_video_width(track);
190         height = ff->ff_video_height(track);
191         if( title ) *title = 0;
192         return 0;
193 }
194
195 int FileFFMPEG::get_audio_for_video(int vstream, int astream, int64_t &channel_mask)
196 {
197         if( !ff ) return 1;
198         return ff->ff_audio_for_video(vstream, astream, channel_mask);
199 }
200
201 int FileFFMPEG::select_video_stream(Asset *asset, int vstream)
202 {
203         if( !ff || !asset->video_data ) return 1;
204         asset->width = ff->ff_video_width(vstream);
205         asset->height = ff->ff_video_height(vstream);
206         asset->video_length = ff->ff_video_frames(vstream);
207         if( (asset->video_length = ff->ff_video_frames(vstream)) < 2 )
208                 asset->video_length = asset->video_length < 0 ? 0 : -1;
209         asset->frame_rate = ff->ff_frame_rate(vstream);
210         return 0;
211 }
212
213 int FileFFMPEG::select_audio_stream(Asset *asset, int astream)
214 {
215         if( !ff || !asset->audio_data ) return 1;
216         asset->sample_rate = ff->ff_sample_rate(astream);
217         asset->audio_length = ff->ff_audio_samples(astream);
218         return 0;
219 }
220
221 int FileFFMPEG::open_file(int rd, int wr)
222 {
223         int result = 0;
224         if( ff ) return 1;
225         ff = new FFMPEG(this);
226
227         if( rd ) {
228                 result = ff->init_decoder(asset->path);
229                 if( !result ) result = ff->open_decoder();
230                 if( !result ) {
231                         int audio_channels = ff->ff_total_audio_channels();
232                         if( audio_channels > 0 ) {
233                                 asset->audio_data = 1;
234                                 asset->channels = audio_channels;
235                                 asset->sample_rate = ff->ff_sample_rate(0);
236                                 asset->audio_length = ff->ff_audio_samples(0);
237                         }
238                         int video_layers = ff->ff_total_video_layers();
239                         if( video_layers > 0 ) {
240                                 asset->video_data = 1;
241                                 if( !asset->layers ) asset->layers = video_layers;
242                                 asset->actual_width = ff->ff_video_width(0);
243                                 asset->actual_height = ff->ff_video_height(0);
244                                 if( !asset->width ) asset->width = asset->actual_width;
245                                 if( !asset->height ) asset->height = asset->actual_height;
246                                 if( !asset->video_length &&
247                                     (asset->video_length = ff->ff_video_frames(0)) < 2 )
248                                         asset->video_length = asset->video_length < 0 ? 0 : -1;
249                                 if( !asset->frame_rate ) asset->frame_rate = ff->ff_frame_rate(0);
250                         }
251                         IndexState *index_state = asset->index_state;
252                         index_state->read_markers(file->preferences->index_directory, asset->path);
253                 }
254         }
255         else if( wr ) {
256                 result = ff->init_encoder(asset->path);
257                 // must be in this order or dvdauthor will fail
258                 if( !result && asset->video_data )
259                         result = ff->open_encoder("video", asset->vcodec);
260                 if( !result && asset->audio_data )
261                         result = ff->open_encoder("audio", asset->acodec);
262         }
263         return result;
264 }
265
266 int FileFFMPEG::close_file()
267 {
268         delete ff;
269         ff = 0;
270         return 0;
271 }
272
273
274 int FileFFMPEG::write_samples(double **buffer, int64_t len)
275 {
276         if( !ff || len < 0 ) return -1;
277         int stream = 0;
278         int ret = ff->encode(stream, buffer, len);
279         return ret;
280 }
281
282 int FileFFMPEG::write_frames(VFrame ***frames, int len)
283 {
284         if( !ff ) return -1;
285         int ret = 0, layer = 0;
286         for(int i = 0; i < 1; i++) {
287                 for(int j = 0; j < len && !ret; j++) {
288                         VFrame *frame = frames[i][j];
289                         ret = ff->encode(layer, frame);
290                 }
291         }
292         return ret;
293 }
294
295
296 int FileFFMPEG::read_samples(double *buffer, int64_t len)
297 {
298         if( !ff || len < 0 ) return -1;
299         int ch = file->current_channel;
300         int64_t pos = file->current_sample;
301         int ret = ff->decode(ch, pos, buffer, len);
302         if( ret > 0 ) return 0;
303         memset(buffer,0,len*sizeof(*buffer));
304         return -1;
305 }
306
307 int FileFFMPEG::read_frame(VFrame *frame)
308 {
309         if( !ff ) return -1;
310         int layer = file->current_layer;
311         int64_t pos = asset->video_length >= 0 ? file->current_frame : 0;
312         int ret = ff->decode(layer, pos, frame);
313         frame->set_status(ret);
314         if( ret >= 0 ) return 0;
315         frame->clear_frame();
316         return -1;
317 }
318
319
320 int64_t FileFFMPEG::get_memory_usage()
321 {
322         return 0;
323 }
324
325 int FileFFMPEG::colormodel_supported(int colormodel)
326 {
327         return colormodel;
328 }
329
330 int FileFFMPEG::get_best_colormodel(Asset *asset, int driver)
331 {
332         switch(driver) {
333         case PLAYBACK_X11:
334                 return BC_RGB888;
335         case PLAYBACK_X11_XV:
336         case PLAYBACK_ASYNCHRONOUS:
337                 return BC_YUV888;
338         case PLAYBACK_X11_GL:
339                 return BC_YUV888;
340         case PLAYBACK_DV1394:
341         case PLAYBACK_FIREWIRE:
342                 return BC_YUV422P;
343         case VIDEO4LINUX2:
344                 return BC_RGB888;
345         case VIDEO4LINUX2JPEG:
346                 return BC_COMPRESSED;
347         case CAPTURE_DVB:
348         case VIDEO4LINUX2MPEG:
349                 return BC_YUV422P;
350         case CAPTURE_JPEG_WEBCAM:
351                 return BC_COMPRESSED;
352         case CAPTURE_YUYV_WEBCAM:
353                 return BC_YUV422;
354         case CAPTURE_FIREWIRE:
355         case CAPTURE_IEC61883:
356                 return BC_YUV422P;
357         }
358
359         return BC_RGB888;
360 }
361
362
363 int FileFFMPEG::get_ff_option(const char *nm, const char *options, char *value)
364 {
365         for( const char *cp=options; *cp!=0; ) {
366                 char line[BCTEXTLEN], *bp = line, *ep = bp+sizeof(line)-1;
367                 while( bp < ep && *cp && *cp!='\n' ) *bp++ = *cp++;
368                 if( *cp ) ++cp;
369                 *bp = 0;
370                 if( !line[0] || line[0] == '#' || line[0] == ';' ) continue;
371                 char key[BCSTRLEN], val[BCTEXTLEN];
372                 if( FFMPEG::scan_option_line(line, key, val) ) continue;
373                 if( !strcmp(key, nm) ) {
374                         strcpy(value, val);
375                         return 0;
376                 }
377         }
378         return 1;
379 }
380
381 //======
382
383 FFMPEGConfigAudio::FFMPEGConfigAudio(BC_WindowBase *parent_window, Asset *asset)
384  : BC_Window(_(PROGRAM_NAME ": Audio Preset"),
385         parent_window->get_abs_cursor_x(1),
386         parent_window->get_abs_cursor_y(1),
387         420, 420)
388 {
389         this->parent_window = parent_window;
390         this->asset = asset;
391         preset_popup = 0;
392
393         bitrate = 0;
394         audio_options = 0;
395         ff_options_dialog = 0;
396 }
397
398 FFMPEGConfigAudio::~FFMPEGConfigAudio()
399 {
400         delete ff_options_dialog;
401         lock_window("FFMPEGConfigAudio::~FFMPEGConfigAudio");
402         delete preset_popup;
403         presets.remove_all_objects();
404         unlock_window();
405 }
406
407 void FFMPEGConfigAudio::create_objects()
408 {
409         int x = 10, y = 10;
410         lock_window("FFMPEGConfigAudio::create_objects");
411
412         FileSystem fs;
413         char option_path[BCTEXTLEN];
414         FFMPEG::set_option_path(option_path, "audio");
415         fs.update(option_path);
416         int total_files = fs.total_files();
417         for(int i = 0; i < total_files; i++) {
418                 const char *name = fs.get_entry(i)->get_name();
419                 if( asset->fformat[0] != 0 ) {
420                         const char *ext = strrchr(name,'.');
421                         if( !ext ) continue;
422                         if( strcmp(asset->fformat, ++ext) ) continue;
423                 }
424                 presets.append(new BC_ListBoxItem(name));
425         }
426
427         if( asset->acodec[0] ) {
428                 int k = presets.size();
429                 while( --k >= 0 && strcmp(asset->acodec, presets[k]->get_text()) );
430                 if( k < 0 ) asset->acodec[0] = 0;
431         }
432
433         if( !asset->acodec[0] && presets.size() > 0 )
434                 strcpy(asset->acodec, presets[0]->get_text());
435
436         add_tool(new BC_Title(x, y, _("Preset:")));
437         y += 25;
438         preset_popup = new FFMPEGConfigAudioPopup(this, x, y);
439         preset_popup->create_objects();
440
441         y += 50;
442         bitrate = new FFMpegAudioBitrate(this, x, y, _("Bitrate:"), &asset->ff_audio_bitrate);
443         bitrate->create_objects();
444         bitrate->set_increment(1000);
445
446         y += bitrate->get_h() + 10;
447         BC_Title *title = new BC_Title(x, y, _("Audio Options:"));
448         add_subwindow(title);
449
450         ff_options_dialog = new FFOptionsAudioDialog(this);
451         int x1 = x + title->get_w() + 8;
452         add_subwindow(new FFOptionsViewAudio(this, x1, y, _("view")));
453
454         y += 25;
455         if( !asset->ff_audio_options[0] && asset->acodec[0] ) {
456                 FFMPEG::set_option_path(option_path, "audio/%s", asset->acodec);
457                 FFMPEG::load_options(option_path, asset->ff_audio_options,
458                          sizeof(asset->ff_audio_options));
459         }
460
461         audio_options = new FFAudioOptions(this, x, y, get_w()-x-20, 10,
462                  sizeof(asset->ff_audio_options)-1, asset->ff_audio_options);
463         audio_options->create_objects();
464         add_subwindow(new BC_OKButton(this));
465         add_subwindow(new BC_CancelButton(this));
466
467         char value[BCTEXTLEN];
468         if( !FileFFMPEG::get_ff_option("cin_bitrate", asset->ff_audio_options, value) )
469                 bitrate->update_text(value);
470
471         show_window(1);
472         bitrate->handle_event();
473         unlock_window();
474 }
475
476 int FFMPEGConfigAudio::close_event()
477 {
478         set_done(1);
479         return 1;
480 }
481
482 FFAudioOptions::FFAudioOptions(FFMPEGConfigAudio *audio_popup,
483         int x, int y, int w, int rows, int size, char *text)
484  : BC_ScrollTextBox(audio_popup, x, y, w, rows, text, size)
485 {
486         this->audio_popup = audio_popup;
487 }
488
489
490 FFMPEGConfigAudioPopup::FFMPEGConfigAudioPopup(FFMPEGConfigAudio *popup, int x, int y)
491  : BC_PopupTextBox(popup, &popup->presets, popup->asset->acodec, x, y, 300, 300)
492 {
493         this->popup = popup;
494 }
495
496 int FFMPEGConfigAudioPopup::handle_event()
497 {
498         strcpy(popup->asset->acodec, get_text());
499         Asset *asset = popup->asset;
500         char option_path[BCTEXTLEN];
501         FFMPEG::set_option_path(option_path, "audio/%s", asset->acodec);
502         FFMPEG::load_options(option_path, asset->ff_audio_options,
503                          sizeof(asset->ff_audio_options));
504         popup->audio_options->update(asset->ff_audio_options);
505
506         char value[BCTEXTLEN];
507         if( !FileFFMPEG::get_ff_option("cin_bitrate", asset->ff_audio_options, value) )
508                 popup->bitrate->update_text(value);
509         return 1;
510 }
511
512
513 FFMPEGConfigAudioToggle::FFMPEGConfigAudioToggle(FFMPEGConfigAudio *popup,
514         char *title_text, int x, int y, int *output)
515  : BC_CheckBox(x, y, *output, title_text)
516 {
517         this->popup = popup;
518         this->output = output;
519 }
520 int FFMPEGConfigAudioToggle::handle_event()
521 {
522         *output = get_value();
523         return 1;
524 }
525
526 //======
527
528 FFMPEGConfigVideo::FFMPEGConfigVideo(BC_WindowBase *parent_window, Asset *asset)
529  : BC_Window(_(PROGRAM_NAME ": Video Preset"),
530         parent_window->get_abs_cursor_x(1),
531         parent_window->get_abs_cursor_y(1),
532         420, 420)
533 {
534         this->parent_window = parent_window;
535         this->asset = asset;
536         preset_popup = 0;
537
538         bitrate = 0;
539         quality = 0;
540         video_options = 0;
541 }
542
543 FFMPEGConfigVideo::~FFMPEGConfigVideo()
544 {
545         delete ff_options_dialog;
546         lock_window("FFMPEGConfigVideo::~FFMPEGConfigVideo");
547         if(preset_popup) delete preset_popup;
548         presets.remove_all_objects();
549         unlock_window();
550 }
551
552 void FFMPEGConfigVideo::create_objects()
553 {
554         int x = 10, y = 10;
555         lock_window("FFMPEGConfigVideo::create_objects");
556
557         add_subwindow(new BC_Title(x, y, _("Compression:")));
558         y += 25;
559
560         FileSystem fs;
561         char option_path[BCTEXTLEN];
562         FFMPEG::set_option_path(option_path, "video");
563         fs.update(option_path);
564         int total_files = fs.total_files();
565         for(int i = 0; i < total_files; i++) {
566                 const char *name = fs.get_entry(i)->get_name();
567                 if( asset->fformat[0] != 0 ) {
568                         const char *ext = strrchr(name,'.');
569                         if( !ext ) continue;
570                         if( strcmp(asset->fformat, ++ext) ) continue;
571                 }
572                 presets.append(new BC_ListBoxItem(name));
573         }
574
575         if( asset->vcodec[0] ) {
576                 int k = presets.size();
577                 while( --k >= 0 && strcmp(asset->vcodec, presets[k]->get_text()) );
578                 if( k < 0 ) asset->vcodec[0] = 0;
579         }
580
581         if( !asset->vcodec[0] && presets.size() > 0 )
582                 strcpy(asset->vcodec, presets[0]->get_text());
583
584         preset_popup = new FFMPEGConfigVideoPopup(this, x, y);
585         preset_popup->create_objects();
586
587         if( asset->ff_video_bitrate && asset->ff_video_quality ) {
588                 asset->ff_video_bitrate = 0;
589                 asset->ff_video_quality = 0;
590         }
591
592         y += 50;
593         bitrate = new FFMpegVideoBitrate(this, x, y, _("Bitrate:"), &asset->ff_video_bitrate);
594         bitrate->create_objects();
595         bitrate->set_increment(100000);
596         y += bitrate->get_h() + 5;
597         quality = new FFMpegVideoQuality(this, x, y, _("Quality:"), &asset->ff_video_quality);
598         quality->create_objects();
599         quality->set_increment(1);
600         quality->set_boundaries((int64_t)0, (int64_t)31);
601
602         y += quality->get_h() + 10;
603         BC_Title *title = new BC_Title(x, y, _("Video Options:"));
604         add_subwindow(title);
605
606         ff_options_dialog = new FFOptionsVideoDialog(this);
607         int x1 = x + title->get_w() + 8;
608         add_subwindow(new FFOptionsViewVideo(this, x1, y, _("view")));
609
610         y += 25;
611         if( !asset->ff_video_options[0] && asset->vcodec[0] ) {
612                 FFMPEG::set_option_path(option_path, "video/%s", asset->vcodec);
613                 FFMPEG::load_options(option_path, asset->ff_video_options,
614                          sizeof(asset->ff_video_options));
615         }
616
617         video_options = new FFVideoOptions(this, x, y, get_w()-x-20, 10,
618                  sizeof(asset->ff_video_options)-1, asset->ff_video_options);
619         video_options->create_objects();
620         add_subwindow(new BC_OKButton(this));
621         add_subwindow(new BC_CancelButton(this));
622
623         char value[BCTEXTLEN];
624         if( !FileFFMPEG::get_ff_option("cin_quality", asset->ff_video_options, value) )
625                 quality->update_text(value);
626         if( !FileFFMPEG::get_ff_option("cin_bitrate", asset->ff_video_options, value) )
627                 bitrate->update_text(value);
628
629         show_window(1);
630         if( asset->ff_video_bitrate )
631                 quality->disable();
632         if( asset->ff_video_quality )
633                 bitrate->disable();
634         unlock_window();
635 }
636
637 int FFMPEGConfigVideo::close_event()
638 {
639         set_done(1);
640         return 1;
641 }
642
643 FFVideoOptions::FFVideoOptions(FFMPEGConfigVideo *video_popup,
644         int x, int y, int w, int rows, int size, char *text)
645  : BC_ScrollTextBox(video_popup, x, y, w, rows, text, size)
646 {
647         this->video_popup = video_popup;
648 }
649
650
651 FFMPEGConfigVideoPopup::FFMPEGConfigVideoPopup(FFMPEGConfigVideo *popup, int x, int y)
652  : BC_PopupTextBox(popup, &popup->presets, popup->asset->vcodec, x, y, 300, 300)
653 {
654         this->popup = popup;
655 }
656
657 int FFMPEGConfigVideoPopup::handle_event()
658 {
659         strcpy(popup->asset->vcodec, get_text());
660         Asset *asset = popup->asset;
661         char option_path[BCTEXTLEN];
662         FFMPEG::set_option_path(option_path, "video/%s", asset->vcodec);
663         FFMPEG::load_options(option_path, asset->ff_video_options,
664                          sizeof(asset->ff_video_options));
665         popup->video_options->update(asset->ff_video_options);
666
667         char value[BCTEXTLEN];
668         if( !FileFFMPEG::get_ff_option("cin_quality", asset->ff_video_options, value) ) {
669                 popup->quality->update_text(value);
670         }
671         if( !FileFFMPEG::get_ff_option("cin_bitrate", asset->ff_video_options, value) )
672                 popup->bitrate->update_text(value);
673         return 1;
674 }
675
676
677 FFMPEGConfigVideoToggle::FFMPEGConfigVideoToggle(FFMPEGConfigVideo *popup,
678         char *title_text, int x, int y, int *output)
679  : BC_CheckBox(x, y, *output, title_text)
680 {
681         this->popup = popup;
682         this->output = output;
683 }
684 int FFMPEGConfigVideoToggle::handle_event()
685 {
686         *output = get_value();
687         return 1;
688 }
689
690 FFMPEGScanProgress::FFMPEGScanProgress(IndexFile *index_file, MainProgressBar *progress_bar,
691                 const char *title, int64_t length, int64_t *position, int *canceled)
692  : Thread(1, 0, 0)
693 {
694         this->index_file = index_file;
695         this->progress_bar = progress_bar;
696         strcpy(this->progress_title, title);
697         this->length = length;
698         this->position = position;
699         this->canceled = canceled;
700         done = 0;
701         start();
702 }
703
704 FFMPEGScanProgress::~FFMPEGScanProgress()
705 {
706         done = 1;
707         cancel();
708         join();
709 }
710
711 void FFMPEGScanProgress::run()
712 {
713         while( !done ) {
714                 if( progress_bar->update(*position) ) {
715                         *canceled = done = 1;
716                         break;
717                 }
718                 index_file->redraw_edits(0);
719                 usleep(500000);
720         }
721 }
722
723 int FileFFMPEG::get_index(IndexFile *index_file, MainProgressBar *progress_bar)
724 {
725         if( !ff ) return -1;
726         if( !file->preferences->ffmpeg_marker_indexes ) return 1;
727
728         IndexState *index_state = index_file->get_state();
729         if( index_state->index_status != INDEX_NOTTESTED ) return 0;
730         index_state->reset_index();
731         index_state->reset_markers();
732         index_state->index_status = INDEX_BUILDING;
733
734         for( int aidx=0; aidx<ff->ffaudio.size(); ++aidx ) {
735                 FFAudioStream *aud = ff->ffaudio[aidx];
736                 index_state->add_audio_stream(aud->channels, aud->length);
737         }
738
739         FileSystem fs;
740         int64_t file_bytes = fs.get_size(ff->fmt_ctx->filename);
741         char *index_path = index_file->index_filename;
742
743         int canceled = 0;
744         int64_t scan_position = 0;
745         FFMPEGScanProgress *scan_progress = 0;
746         if( progress_bar ) {
747                 char progress_title[BCTEXTLEN];
748                 sprintf(progress_title, _("Creating %s\n"), index_path);
749                 progress_bar->update_title(progress_title, 1);
750                 progress_bar->update_length(file_bytes);
751                 scan_progress = new FFMPEGScanProgress(index_file,
752                                 progress_bar, progress_title, file_bytes,
753                                 &scan_position, &canceled);
754         }
755
756         index_state->index_bytes = file_bytes;
757         index_state->init_scan(file->preferences->index_size);
758
759         if( ff->scan(index_state, &scan_position, &canceled) || canceled ) {
760                 index_state->reset_index();
761                 index_state->reset_markers();
762                 canceled = 1;
763         }
764
765         delete scan_progress;
766         if( canceled ) return 1;
767
768         index_state->marker_status = MARKERS_READY;
769         return index_state->create_index(index_path, asset);
770 }
771
772
773 FFOptions_OptPanel::
774 FFOptions_OptPanel(FFOptionsWindow *fwin, int x, int y, int w, int h)
775  : BC_ListBox(x, y, w, h, LISTBOX_TEXT), opts(items[0]), vals(items[1])
776 {
777         this->fwin = fwin;
778         update();  // init col/wid/columns
779 }
780
781 FFOptions_OptPanel::
782 ~FFOptions_OptPanel()
783 {
784 }
785
786 void FFOptions_OptPanel::create_objects()
787 {
788         const char *cols[] = { _("option"), _("value"), };
789         const int col1_w = 150;
790         int wids[] = { col1_w, get_w()-col1_w };
791         BC_ListBox::update(&items[0], &cols[0], &wids[0], sizeof(items)/sizeof(items[0]));
792 }
793
794 int FFOptions_OptPanel::update()
795 {
796         opts.remove_all();
797         vals.remove_all();
798         FFOptions &options = fwin->options;
799         for( int i=0; i<options.size(); ++i ) {
800                 FFOptions_Opt *opt = options[i];
801                 opts.append(opt->item_name);
802                 vals.append(opt->item_value);
803         }
804         draw_items(1);
805         return 0;
806 }
807
808 int FFOptions_OptPanel::cursor_leave_event()
809 {
810         hide_tooltip();
811         return 0;
812 }
813
814
815 FFOptions_OptName::FFOptions_OptName(FFOptions_Opt *opt, const char *nm)
816 {
817         this->opt = opt;
818         set_text(nm);
819 }
820
821 FFOptions_OptName::~FFOptions_OptName()
822 {
823 }
824
825 FFOptions_OptValue::FFOptions_OptValue(FFOptions_Opt *opt)
826 {
827         this->opt = opt;
828 }
829
830
831 void FFOptions_OptValue::update()
832 {
833         if( !opt ) return;
834         char val[BCTEXTLEN];  val[0] = 0;
835         opt->get(val, sizeof(val));
836         update(val);
837 }
838
839 void FFOptions_OptValue::update(const char *v)
840 {
841         set_text(v);
842 }
843
844 FFOptions_Opt::FFOptions_Opt(FFOptions *options, const AVOption *opt, const char *nm)
845 {
846         this->options = options;
847         this->opt = opt;
848         item_name = new FFOptions_OptName(this, nm);
849         item_value = new FFOptions_OptValue(this);
850 }
851
852 FFOptions_Opt::~FFOptions_Opt()
853 {
854         delete item_name;
855         delete item_value;
856 }
857
858 char *FFOptions_Opt::get(char *vp, int sz)
859 {
860         char *cp = vp;
861         *cp = 0;
862         if( !opt ) return cp;
863
864         void *obj = (void *)options->obj;
865         uint8_t *bp = 0;
866         if( av_opt_get(obj, opt->name, 0, &bp) >= 0 && bp != 0 ) {
867                 const char *val = (const char *)bp;
868                 if( opt->unit && *val ) {
869                         int id = atoi(val);
870                         const char *uid = unit_name(id);
871                         if( uid ) val = uid;
872                 }
873                 cp = sz >= 0 ? strncpy(vp,val,sz) : strcpy(vp, val);
874                 if( sz > 0 ) vp[sz-1] = 0;
875                 av_freep(&bp);
876         }
877
878         return cp;
879 }
880
881 void FFOptions_Opt::set(const char *val)
882 {
883         void *obj = (void *)options->obj;
884         if( !obj || !opt ) return;
885         av_opt_set(obj, opt->name, val, 0);
886 }
887
888
889 FFOptionsKindItem::FFOptionsKindItem(FFOptionsKind *kind, const char *text, int idx)
890  : BC_MenuItem(text)
891 {
892         this->kind = kind;
893         this->idx = idx;
894 }
895
896 FFOptionsKindItem::~FFOptionsKindItem()
897 {
898 }
899
900 int FFOptionsKindItem::handle_event()
901 {
902         FFOptionsWindow *fwin = kind->fwin;
903         FFOptions &options = fwin->options;
904         options.initialize(fwin, idx);
905         fwin->draw();
906         return 1;
907 }
908
909 const char *FFOptionsKind::kinds[] = {
910         N_("codec"),    // FF_KIND_CODEC
911         N_("ffmpeg"),   // FF_KIND_FFMPEG
912 };
913
914 FFOptionsKind::
915 FFOptionsKind(FFOptionsWindow *fwin, int x, int y, int w)
916  : BC_PopupMenu(x, y, w-calculate_w(0), "")
917 {
918         this->fwin = fwin;
919 }
920
921 FFOptionsKind::
922 ~FFOptionsKind()
923 {
924 }
925
926 void FFOptionsKind::create_objects()
927 {
928         for( int i=0; i<(int)(sizeof(kinds)/sizeof(kinds[0])); ++i )
929                 add_item(new FFOptionsKindItem(this, _(kinds[i]), i));
930 }
931
932 int FFOptionsKind::handle_event()
933 {
934         return 1;
935 }
936
937 void FFOptionsKind::set(int k)
938 {
939         this->kind = k;
940         set_text(_(kinds[k]));
941 }
942
943 FFOptionsText::
944 FFOptionsText(FFOptionsWindow *fwin, int x, int y, int w)
945  : BC_TextBox(x, y, w, 1, (char *)"")
946 {
947         this->fwin = fwin;
948 }
949
950 FFOptionsText::
951 ~FFOptionsText()
952 {
953 }
954
955 int FFOptionsText::handle_event()
956 {
957         return 0;
958 }
959
960 FFOptionsUnits::
961 FFOptionsUnits(FFOptionsWindow *fwin, int x, int y, int w)
962  : BC_PopupMenu(x, y, w, "")
963 {
964         this->fwin = fwin;
965 }
966
967 FFOptionsUnits::
968 ~FFOptionsUnits()
969 {
970 }
971
972 int FFOptionsUnits::handle_event()
973 {
974         const char *text = get_text();
975         if( text && fwin->selected ) {
976                 fwin->selected->set(text);
977                 fwin->selected->item_value->update();
978                 av_dict_set(&fwin->dialog->ff_opts,
979                         fwin->selected->item_name->get_text(),
980                         fwin->selected->item_value->get_text(), 0);
981                 fwin->draw();
982         }
983         return 1;
984 }
985
986 FFOptionsApply::
987 FFOptionsApply(FFOptionsWindow *fwin, int x, int y)
988  : BC_GenericButton(x, y, _("Apply"))
989 {
990         this->fwin = fwin;
991 }
992
993 FFOptionsApply::
994 ~FFOptionsApply()
995 {
996 }
997
998 int FFOptionsApply::handle_event()
999 {
1000         const char *text = fwin->text->get_text();
1001         if( text && fwin->selected ) {
1002                 fwin->selected->set(text);
1003                 fwin->selected->item_value->update();
1004                 av_dict_set(&fwin->dialog->ff_opts,
1005                         fwin->selected->item_name->get_text(),
1006                         fwin->selected->item_value->get_text(), 0);
1007                 fwin->draw();
1008         }
1009         return 1;
1010 }
1011
1012 FFOptions::FFOptions()
1013 {
1014         avctx = 0;
1015         obj = 0;
1016 }
1017
1018 FFOptions::~FFOptions()
1019 {
1020         remove_all_objects();
1021         avcodec_free_context(&avctx);
1022 }
1023
1024 int FFOptions::cmpr(const void *a, const void *b)
1025 {
1026         FFOptions_Opt *ap = *(FFOptions_Opt **)a;
1027         FFOptions_Opt *bp = *(FFOptions_Opt **)b;
1028         const char *vap = ap->item_name->get_text();
1029         const char *vbp = bp->item_name->get_text();
1030         return strcmp(vap, vbp);
1031 }
1032
1033 void FFOptions::initialize(FFOptionsWindow *win, int kind)
1034 {
1035         remove_all_objects();
1036         this->win = win;
1037         win->selected = 0;
1038         obj = 0;
1039         if( !avctx )
1040                 avctx = avcodec_alloc_context3(win->dialog->codec);
1041
1042         switch( kind ) {
1043         case FF_KIND_CODEC:
1044                 obj = (const void *)avctx->priv_data;
1045                 break;
1046         case FF_KIND_FFMPEG:
1047                 obj = (const void *)avctx;
1048                 break;
1049         }
1050
1051         if( obj ) {
1052                 FFOptions &conf = *this;
1053                 const AVOption *opt = 0;
1054                 while( (opt=av_opt_next(obj, opt)) != 0 ) {
1055                         if( opt->type == AV_OPT_TYPE_CONST ) continue;
1056                         int dupl = 0;
1057                         for( int i=0; !dupl && i<size(); ++i ) {
1058                                 FFOptions_Opt *fopt = conf[i];
1059                                 const AVOption *op = fopt->opt;
1060                                 if( op->offset != opt->offset ) continue;
1061                                 if( op->type != opt->type ) continue;
1062                                 dupl = 1;
1063                                 if( strlen(op->name) < strlen(opt->name) )
1064                                         fopt->opt = opt;
1065                         }
1066                         if( dupl ) continue;
1067                         FFOptions_Opt *fopt = new FFOptions_Opt(this, opt, opt->name);
1068                         append(fopt);
1069                         char val[BCTEXTLEN], *vp = fopt->get(val, sizeof(val));
1070                         fopt->item_value->update(vp);
1071                 }
1072         }
1073
1074         qsort(&values[0],size(),sizeof(values[0]),cmpr);
1075         win->kind->set(kind);
1076         win->panel->update();
1077         win->panel->set_yposition(0);
1078 }
1079
1080 int FFOptions::update()
1081 {
1082         int ret = 0;
1083         FFOptions &conf = *this;
1084
1085         for( int i=0; i<size(); ++i ) {
1086                 FFOptions_Opt *fopt = conf[i];
1087                 char val[BCTEXTLEN], *vp = fopt->get(val, sizeof(val));
1088                 if( !vp || !strcmp(val, fopt->item_value->get_text()) ) continue;
1089                 fopt->item_value->update(val);
1090                 ++ret;
1091         }
1092         return ret;
1093 }
1094
1095 void FFOptions::dump(FILE *fp)
1096 {
1097         if( !obj ) return;
1098         const AVOption *opt = 0;
1099         FFOptions &conf = *this;
1100
1101         while( (opt=av_opt_next(obj, opt)) != 0 ) {
1102                 if( opt->type == AV_OPT_TYPE_CONST ) continue;
1103                 int k = size();
1104                 while( --k >= 0 && strcmp(opt->name, conf[k]->opt->name) );
1105                 if( k < 0 ) continue;
1106                 FFOptions_Opt *fopt = conf[k];
1107                 char val[BCTEXTLEN], *vp = fopt->get(val,sizeof(val));
1108                 fprintf(fp, "  %s:=%s", opt->name, vp);
1109                 if( opt->unit ) {
1110                         char unt[BCTEXTLEN], *up = unt;
1111                         fopt->units(up);
1112                         fprintf(fp, "%s", unt);
1113                 }
1114                 fprintf(fp, "\n");
1115         }
1116 }
1117
1118
1119 void FFOptionsWindow::update(FFOptions_Opt *opt)
1120 {
1121         if( selected != opt ) {
1122                 if( selected ) selected->item_name->set_selected(0);
1123                 selected = opt;
1124                 if( selected ) selected->item_name->set_selected(1);
1125         }
1126         clear_box(0,0, 0,panel->get_y());
1127         char str[BCTEXTLEN], *sp;
1128         *(sp=str) = 0;
1129         if( opt ) opt->types(sp);
1130         type->update(str);
1131         *(sp=str) = 0;
1132         if( opt ) opt->ranges(sp);
1133         range->update(str);
1134         while( units->total_items() ) units->del_item(0);
1135         char unit[BCSTRLEN];  strcpy(unit, "()");
1136         if( opt && opt->opt ) {
1137                 ArrayList<const char *> names;
1138                 int n = 0;
1139                 if( opt->opt->unit ) {
1140                         n = opt->units(names);
1141                         if( n > 0 ) strcpy(unit,opt->opt->unit);
1142                 }
1143                 for( int i=0; i<n; ++i )
1144                         units->add_item(new BC_MenuItem(names[i], 0));
1145         }
1146         units->set_text(unit);
1147         char val[BCTEXTLEN];  val[0] = 0;
1148         if( opt ) opt->get(val, sizeof(val));
1149         text->update(val);
1150
1151         panel->update();
1152 }
1153
1154 void FFOptions_OptPanel::show_tip(const char *tip)
1155 {
1156         if( !tip ) return;
1157         int len = strlen(tip);
1158         if( len > (int)sizeof(tip_text)-1 ) len = sizeof(tip_text)-1;
1159         strncpy(tip_text,tip,len);
1160         tip_text[len] = 0;
1161         int line_limit = 60;
1162         int limit2 = line_limit/2;
1163         int limit4 = line_limit/4-2;
1164         char *cp = tip_text, *dp = cp+len;
1165         int n;  char *bp, *ep, *pp, *sp;
1166         while( cp < dp ) {
1167                 for( ep=cp; ep<dp && *ep!='\n'; ++ep );
1168                 // target about half remaining line, constrain line_limit
1169                 if( (n=(ep-1-cp)/2) < limit2 || n > line_limit )
1170                         n = line_limit;
1171                 // search for last punct, last space before line_limit
1172                 for( bp=cp, pp=sp=0; --n>=0 && cp<ep; ++cp ) {
1173                         if( ispunct(*cp) && isspace(*(cp+1)) ) pp = cp;
1174                         else if( isspace(*cp) ) sp = cp;
1175                 }
1176                 // line not empty
1177                 if( cp < ep ) {
1178                         // first, after punctuation
1179                         if( pp && pp-bp >= limit4 )
1180                                 cp = pp+1;
1181                         // then, on spaces
1182                         else if( sp ) {
1183                                 cp = sp;
1184                         }
1185                         // last, on next space
1186                         else {
1187                                 while( cp<dp && !isspace(*cp) ) ++cp;
1188                         }
1189                         // add new line
1190                         if( !*cp ) break;
1191                         *cp++ = '\n';
1192                 }
1193         }
1194         fwin->panel->set_tooltip(tip_text);
1195         fwin->panel->show_tooltip();
1196 }
1197
1198 int FFOptions_OptPanel::selection_changed()
1199 {
1200         FFOptions_Opt *opt = 0;
1201         BC_ListBoxItem *item = get_selection(0, 0);
1202         if( item ) {
1203                 FFOptions_OptName *opt_name = (FFOptions_OptName *)item;
1204                 opt = opt_name->opt;
1205         }
1206         fwin->update(opt);
1207         if( opt ) show_tip(opt->tip());
1208         return 1;
1209 }
1210
1211
1212 int FFOptions_Opt::types(char *rp)
1213 {
1214         const char *cp = "";
1215         if( opt ) switch (opt->type) {
1216         case AV_OPT_TYPE_FLAGS: cp = N_("<flags>");  break;
1217         case AV_OPT_TYPE_INT: cp = N_("<int>"); break;
1218         case AV_OPT_TYPE_INT64: cp = N_("<int64>"); break;
1219         case AV_OPT_TYPE_DOUBLE: cp = N_("<double>"); break;
1220         case AV_OPT_TYPE_FLOAT: cp = N_("<float>"); break;
1221         case AV_OPT_TYPE_STRING: cp = N_("<string>"); break;
1222         case AV_OPT_TYPE_RATIONAL: cp = N_("<rational>"); break;
1223         case AV_OPT_TYPE_BINARY: cp = N_("<binary>"); break;
1224         case AV_OPT_TYPE_IMAGE_SIZE: cp = N_("<image_size>"); break;
1225         case AV_OPT_TYPE_VIDEO_RATE: cp = N_("<video_rate>"); break;
1226         case AV_OPT_TYPE_PIXEL_FMT: cp = N_("<pix_fmt>"); break;
1227         case AV_OPT_TYPE_SAMPLE_FMT: cp = N_("<sample_fmt>"); break;
1228         case AV_OPT_TYPE_DURATION: cp = N_("<duration>"); break;
1229         case AV_OPT_TYPE_COLOR: cp = N_("<color>"); break;
1230         case AV_OPT_TYPE_CHANNEL_LAYOUT: cp = N_("<channel_layout>");  break;
1231         case AV_OPT_TYPE_BOOL: cp = N_("<bool>");  break;
1232         default: cp = N_("<undef>");  break;
1233         }
1234         return sprintf(rp, "%s", _(cp));
1235 }
1236 int FFOptions_Opt::scalar(double d, char *rp)
1237 {
1238         const char *cp = 0;
1239              if( d == INT_MAX ) cp = "INT_MAX";
1240         else if( d == INT_MIN ) cp = "INT_MIN";
1241         else if( d == UINT32_MAX ) cp = "UINT32_MAX";
1242         else if( d == (double)INT64_MAX ) cp = "I64_MAX";
1243         else if( d == INT64_MIN ) cp = "I64_MIN";
1244         else if( d == FLT_MAX ) cp = "FLT_MAX";
1245         else if( d == FLT_MIN ) cp = "FLT_MIN";
1246         else if( d == -FLT_MAX ) cp = "-FLT_MAX";
1247         else if( d == -FLT_MIN ) cp = "-FLT_MIN";
1248         else if( d == DBL_MAX ) cp = "DBL_MAX";
1249         else if( d == DBL_MIN ) cp = "DBL_MIN";
1250         else if( d == -DBL_MAX ) cp = "-DBL_MAX";
1251         else if( d == -DBL_MIN ) cp = "-DBL_MIN";
1252         else if( d == 0 ) cp = signbit(d) ? "-0" : "0";
1253         else if( isnan(d) ) cp = signbit(d) ? "-NAN" : "NAN";
1254         else if( isinf(d) ) cp = signbit(d) ? "-INF" : "INF";
1255         else return sprintf(rp, "%g", d);
1256         return sprintf(rp, "%s", cp);
1257 }
1258
1259 int FFOptions_Opt::ranges(char *rp)
1260 {
1261         if( !opt ) return 0;
1262         void *obj = (void *)options->obj;
1263         if( !obj ) return 0;
1264
1265         switch (opt->type) {
1266         case AV_OPT_TYPE_INT:
1267         case AV_OPT_TYPE_INT64:
1268         case AV_OPT_TYPE_DOUBLE:
1269         case AV_OPT_TYPE_FLOAT: break;
1270         default: return 0;;
1271         }
1272         AVOptionRanges *r = 0;
1273         char *cp = rp;
1274         if( av_opt_query_ranges(&r, obj, opt->name, AV_OPT_SEARCH_FAKE_OBJ) < 0 ) return 0;
1275         for( int i=0; i<r->nb_ranges; ++i ) {
1276                 cp += sprintf(cp, " (");  cp += scalar(r->range[i]->value_min, cp);
1277                 cp += sprintf(cp, "..");  cp += scalar(r->range[i]->value_max, cp);
1278                 cp += sprintf(cp, ")");
1279         }
1280         av_opt_freep_ranges(&r);
1281         return cp - rp;
1282 }
1283
1284 int FFOptions_Opt::units(ArrayList<const char *> &names)
1285 {
1286         if( !opt || !opt->unit ) return 0;
1287         const void *obj = options->obj;
1288         if( !obj ) return 0;
1289
1290         ArrayList<const AVOption *> opts;
1291         const AVOption *opt = NULL;
1292         while( (opt=av_opt_next(obj, opt)) != 0 ) {
1293                 if( !opt->unit ) continue;
1294                 if( opt->type != AV_OPT_TYPE_CONST ) continue;
1295                 if( strcmp(this->opt->unit, opt->unit) ) continue;
1296                 int i = opts.size();
1297                 while( --i >= 0 ) {
1298                         if( opts[i]->default_val.i64 != opt->default_val.i64 ) continue;
1299                         if( strlen(opts[i]->name) < strlen(opt->name) ) opts[i] = opt;
1300                         break;
1301                 }
1302                 if( i >= 0 ) continue;
1303                 opts.append(opt);
1304         }
1305
1306         for( int i=0; i<opts.size(); ++i )
1307                 names.append(opts[i]->name);
1308
1309         return names.size();
1310 }
1311
1312 int FFOptions_Opt::units(char *rp)
1313 {
1314         ArrayList<const char *> names;
1315         int n = units(names);
1316         if( !n ) return 0;
1317         char *cp = rp;
1318         cp += sprintf(cp, " [%s:", this->opt->unit);
1319         for( int i=0; i<n; ++i )
1320                 cp += sprintf(cp, " %s", names[i]);
1321         cp += sprintf(cp, "]:");
1322         return cp - rp;
1323 }
1324
1325 const char *FFOptions_Opt::unit_name(int id)
1326 {
1327         if( !opt || !opt->unit ) return 0;
1328         const void *obj = options->obj;
1329         if( !obj ) return 0;
1330
1331         const char *ret = 0;
1332         const AVOption *opt = NULL;
1333         while( (opt=av_opt_next(obj, opt)) != 0 ) {
1334                 if( !opt->unit ) continue;
1335                 if( opt->type != AV_OPT_TYPE_CONST ) continue;
1336                 if( strcmp(this->opt->unit, opt->unit) ) continue;
1337                 if( opt->default_val.i64 != id ) continue;
1338                 if( !ret ) { ret = opt->name;  continue; }
1339                 if( strlen(ret) < strlen(opt->name) ) ret = opt->name;
1340         }
1341
1342         return ret;
1343 }
1344
1345 const char *FFOptions_Opt::tip()
1346 {
1347         return !opt ? 0 : opt->help;
1348 }
1349
1350
1351 FFOptionsWindow::FFOptionsWindow(FFOptionsDialog *dialog)
1352  : BC_Window(_(PROGRAM_NAME ": Options"), 60, 30, 640, 400)
1353 {
1354         this->dialog = dialog;
1355         this->selected = 0;
1356 }
1357
1358 FFOptionsWindow::~FFOptionsWindow()
1359 {
1360 }
1361
1362 void FFOptionsWindow::create_objects()
1363 {
1364         BC_Title *title;
1365         int x0 = 10, y0 = 10;
1366         int x = x0, y = y0;
1367         add_subwindow(title = new BC_Title(x, y, _("Format: ")));
1368         x += title->get_w();
1369         add_subwindow(new BC_Title(x, y, dialog->format_name));
1370         x = x0 + 150;
1371         add_subwindow(title = new BC_Title(x, y, _("Codec: ")));
1372         x += title->get_w();
1373         add_subwindow(new BC_Title(x, y, dialog->codec_name));
1374
1375         x = x0;  y += title->get_h() + 10;  y0 = y;
1376         add_subwindow(title = new BC_Title(x, y, _("Type: ")));
1377         x += title->get_w() + 8;
1378         add_subwindow(type = new BC_Title(x, y, (char *)""));
1379         x = x0 + 150;
1380         add_subwindow(title = new BC_Title(x, y, _("Range: ")));
1381         x += title->get_w() + 8;
1382         add_subwindow(range = new BC_Title(x, y, (char *)""));
1383
1384         x = x0;  y += title->get_h() + 10;
1385         add_subwindow(units = new FFOptionsUnits(this, x, y, 120));
1386         x += units->get_w() + 8;
1387         int x1 = get_w() - BC_GenericButton::calculate_w(this, _("Apply")) - 8;
1388         add_subwindow(text = new FFOptionsText(this, x, y, x1-x - 8));
1389         add_subwindow(apply = new FFOptionsApply(this, x1, y));
1390         y += units->get_h() + 10;
1391         add_subwindow(kind = new FFOptionsKind(this, x1, y0, apply->get_w()));
1392         kind->create_objects();
1393         const char *kind_text = _("Kind:");
1394         x1 -= BC_Title::calculate_w(this, kind_text) + 8;
1395         add_subwindow(kind_title = new BC_Title(x1, y0, kind_text));
1396         y0 = y;
1397
1398         panel_x = x0;  panel_y = y0;
1399         panel_w = get_w()-10 - panel_x;
1400         panel_h = get_h()-10 - panel_y - BC_OKButton::calculate_h();
1401         panel = new FFOptions_OptPanel(this, panel_x, panel_y, panel_w, panel_h);
1402         add_subwindow(panel);
1403         add_subwindow(new BC_OKButton(this));
1404         add_subwindow(new BC_CancelButton(this));
1405         panel->create_objects();
1406         options.initialize(this, FF_KIND_CODEC);
1407         draw();
1408         show_window(1);
1409 }
1410
1411 void FFOptionsWindow::draw()
1412 {
1413         update(selected);
1414 }
1415
1416 int FFOptionsWindow::resize_event(int w, int h)
1417 {
1418         int x1 = w - 8 - kind->get_w();
1419         int y = kind->get_y();
1420         kind->reposition_window(x1, y);
1421         x1 -= kind_title->get_w() + 8;
1422         kind_title->reposition_window(x1,y);
1423         x1 = get_w() - apply->get_w() - 8;
1424         int y1 = units->get_y();
1425         apply->reposition_window(x1, y1);
1426         int x0 = units->get_x() + units->get_w() + 8;
1427         int y0 = units->get_y();
1428         text->reposition_window(x0,y0, x1-x0-8);
1429         panel_w = get_w()-10 - panel_x;
1430         panel_h = get_h()-10 - panel_y;
1431         panel->reposition_window(panel_x,panel_y, panel_w, panel_h);
1432         return 1;
1433 }
1434
1435 FFOptionsDialog::FFOptionsDialog()
1436  : BC_DialogThread()
1437 {
1438         this->options_window = 0;
1439         this->codec_name = 0;
1440         this->codec = 0;
1441         this->ff_opts = 0;
1442         this->ff_len = 0;
1443 }
1444
1445 FFOptionsDialog::~FFOptionsDialog()
1446 {
1447         close_window();
1448         delete [] codec_name;
1449 }
1450
1451 void FFOptionsDialog::load_options(const char *bp, int len)
1452 {
1453         char line[BCTEXTLEN];
1454         char key[BCSTRLEN], val[BCTEXTLEN];
1455         const char *dp = bp + len-1;
1456         int no = 0;
1457         while( bp < dp && *bp != 0 ) {
1458                 ++no;
1459                 char *cp = line, *ep = cp+sizeof(line)-1;
1460                 while( *bp && cp<ep && (*cp=*bp++)!='\n' ) ++cp;
1461                 *cp = 0;
1462                 if( line[0] == '#' ) {
1463                         sprintf(key,"#%d", no);
1464                         av_dict_set(&ff_opts, key, line, 0);
1465                         continue;
1466                 }
1467                 if( line[0] == '\n' ) continue;
1468                 if( FFMPEG::scan_option_line(line, key, val) ) continue;
1469                 av_dict_set(&ff_opts, key, val, 0);
1470         }
1471 }
1472
1473 void FFOptionsDialog::store_options(char *cp, int len)
1474 {
1475         char *ep = cp + len-1;
1476         AVDictionaryEntry *elem = 0;
1477         while( (elem=av_dict_get(ff_opts, "", elem, AV_DICT_IGNORE_SUFFIX)) != 0 ) {
1478                 if( elem->key[0] == '#' ) {
1479                         cp += snprintf(cp,ep-cp, "%s\n", elem->value);
1480                         continue;
1481                 }
1482                 cp += snprintf(cp,ep-cp, "%s=%s\n", elem->key, elem->value);
1483         }
1484         *cp = 0;
1485 }
1486
1487 void FFOptionsDialog::start(const char *format_name, const char *codec_name,
1488         AVCodec *codec, const char *options, int len)
1489 {
1490         if( options_window ) {
1491                 options_window->lock_window("FFOptionsDialog::start");
1492                 options_window->raise_window();
1493                 options_window->unlock_window();
1494                 return;
1495         }
1496
1497         this->format_name = cstrdup(format_name);
1498         this->codec_name = cstrdup(codec_name);
1499         this->codec = codec;
1500         this->ff_opts = 0;
1501         this->ff_len = len;
1502         load_options(options, len);
1503
1504         BC_DialogThread::start();
1505 }
1506
1507 BC_Window* FFOptionsDialog::new_gui()
1508 {
1509         options_window = new FFOptionsWindow(this);
1510         options_window->create_objects();
1511         return options_window;
1512 }
1513
1514 void FFOptionsDialog::handle_done_event(int result)
1515 {
1516         if( !result ) {
1517                 char options[ff_len];
1518                 store_options(options, ff_len);
1519                 update_options(options);
1520         }
1521         options_window = 0;
1522         delete [] format_name; format_name = 0;
1523         delete [] codec_name;  codec_name = 0;
1524         av_dict_free(&ff_opts);
1525 }
1526
1527 FFOptionsAudioDialog::FFOptionsAudioDialog(FFMPEGConfigAudio *aud_config)
1528 {
1529         this->aud_config = aud_config;
1530 }
1531
1532 FFOptionsAudioDialog::~FFOptionsAudioDialog()
1533 {
1534         close_window();
1535 }
1536
1537 void FFOptionsAudioDialog::update_options(const char *options)
1538 {
1539         aud_config->audio_options->update(options);
1540 }
1541
1542 FFOptionsVideoDialog::FFOptionsVideoDialog(FFMPEGConfigVideo *vid_config)
1543 {
1544         this->vid_config = vid_config;
1545 }
1546
1547 FFOptionsVideoDialog::~FFOptionsVideoDialog()
1548 {
1549         close_window();
1550 }
1551
1552 void FFOptionsVideoDialog::update_options(const char *options)
1553 {
1554         vid_config->video_options->update(options);
1555 }
1556
1557
1558 FFOptionsViewAudio::FFOptionsViewAudio(FFMPEGConfigAudio *aud_config, int x, int y, const char *text)
1559  : BC_GenericButton(x, y, text)
1560 {
1561         this->aud_config = aud_config;
1562 }
1563
1564 FFOptionsViewAudio::~FFOptionsViewAudio()
1565 {
1566 }
1567
1568 int FFOptionsViewAudio::handle_event()
1569 {
1570         char audio_format[BCSTRLEN]; audio_format[0] = 0;
1571         char audio_codec[BCSTRLEN]; audio_codec[0] = 0;
1572         AVCodec *codec = 0;
1573         Asset *asset = aud_config->asset;
1574         const char *name = asset->acodec;
1575         if( !FFMPEG::get_format(audio_format, "audio", name) &&
1576             !FFMPEG::get_codec(audio_codec, "audio", name) )
1577                 codec = avcodec_find_encoder_by_name(audio_codec);
1578         if( !codec ) {
1579                 eprintf(_("no codec named: %s: %s"), name, audio_codec);
1580                 return 1;
1581         }
1582         aud_config->ff_options_dialog->start(audio_format, audio_codec, codec,
1583                 asset->ff_audio_options, sizeof(asset->ff_audio_options));
1584         return 1;
1585 }
1586
1587 FFOptionsViewVideo::FFOptionsViewVideo(FFMPEGConfigVideo *vid_config, int x, int y, const char *text)
1588  : BC_GenericButton(x, y, text)
1589 {
1590         this->vid_config = vid_config;
1591 }
1592
1593 FFOptionsViewVideo::~FFOptionsViewVideo()
1594 {
1595 }
1596
1597 int FFOptionsViewVideo::handle_event()
1598 {
1599         char video_format[BCSTRLEN]; video_format[0] = 0;
1600         char video_codec[BCSTRLEN]; video_codec[0] = 0;
1601         AVCodec *codec = 0;
1602         Asset *asset = vid_config->asset;
1603         const char *name = asset->vcodec;
1604         if( !FFMPEG::get_format(video_format, "video", name) &&
1605             !FFMPEG::get_codec(video_codec, "video", name) )
1606                 codec = avcodec_find_encoder_by_name(video_codec);
1607         if( !codec ) {
1608                 eprintf(_("no codec named: %s: %s"), name, video_codec);
1609                 return 1;
1610         }
1611         vid_config->ff_options_dialog->start(video_format, video_codec, codec,
1612                 asset->ff_video_options, sizeof(asset->ff_video_options));
1613         return 1;
1614 }
1615