youtube formats, make race conditions, capture colormodel for ffmpeg
[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, *output, -1, INT_MAX, 100, y, 100)
44 {
45         this->window = window;
46         this->x = x;  this->y = y;
47         this->title_text = title_text;
48         this->output = output;
49 }
50
51 FFMpegConfigNum::~FFMpegConfigNum()
52 {
53 }
54
55 void FFMpegConfigNum::create_objects()
56 {
57         window->add_subwindow(title = new BC_Title(x, y, title_text));
58         BC_TumbleTextBox::create_objects();
59 }
60
61 int FFMpegConfigNum::update_param(const char *param, const char *opts)
62 {
63         char value[BCTEXTLEN];
64         if( !FileFFMPEG::get_ff_option(param, opts, value) ) {
65                 if( (*output = atoi(value)) < 0 ) {
66                         disable(1);
67                         return 0;
68                 }
69         }
70         BC_TumbleTextBox::update((int64_t)*output);
71         enable();
72         return 1;
73 }
74
75 int FFMpegConfigNum::handle_event()
76 {
77         *output = atoi(get_text());
78         return 1;
79 }
80
81 FFMpegAudioNum::FFMpegAudioNum(BC_Window *window,
82                 int x, int y, char *title_text, int *output)
83  : FFMpegConfigNum(window, x, y, title_text, output)
84 {
85 }
86
87 int FFMpegAudioBitrate::handle_event()
88 {
89         int ret = FFMpegAudioNum::handle_event();
90         return ret;
91 }
92
93 FFMpegVideoNum::FFMpegVideoNum(BC_Window *window,
94                 int x, int y, char *title_text, int *output)
95  : FFMpegConfigNum(window, x, y, title_text, output)
96 {
97 }
98
99 int FFMpegVideoBitrate::handle_event()
100 {
101         int ret = FFMpegVideoNum::handle_event();
102         Asset *asset = window()->asset;
103         if( asset->ff_video_bitrate > 0 )
104                 window()->quality->disable();
105         else if( !window()->quality->get_textbox()->is_hidden() )
106                 window()->quality->enable();
107         return ret;
108 }
109
110 int FFMpegVideoQuality::handle_event()
111 {
112         int ret = FFMpegVideoNum::handle_event();
113         Asset *asset = window()->asset;
114         if( asset->ff_video_quality >= 0 )
115                 window()->bitrate->disable();
116         else if( !window()->bitrate->get_textbox()->is_hidden() )
117                 window()->bitrate->enable();
118         return ret;
119 }
120
121 void FileFFMPEG::set_parameters(char *cp, int len, const char *bp)
122 {
123         char *ep = cp + len-2, ch = 0;
124         while( cp < ep && *bp != 0 ) { ch = *bp++; *cp++ = ch; }
125         if( ch != '\n' ) *cp++ = '\n';
126         *cp = 0;
127 }
128
129 void FileFFMPEG::get_parameters(BC_WindowBase *parent_window,
130                 Asset *asset, BC_WindowBase *&format_window,
131                 int audio_options, int video_options)
132 {
133         if(audio_options) {
134                 FFMPEGConfigAudio *window = new FFMPEGConfigAudio(parent_window, asset);
135                 format_window = window;
136                 window->create_objects();
137                 if( !window->run_window() )
138                         set_parameters(asset->ff_audio_options, sizeof(asset->ff_audio_options),
139                                  window->audio_options->get_text());
140                 delete window;
141         }
142         else if(video_options) {
143                 FFMPEGConfigVideo *window = new FFMPEGConfigVideo(parent_window, asset);
144                 format_window = window;
145                 window->create_objects();
146                 if( !window->run_window() )
147                         set_parameters(asset->ff_video_options, sizeof(asset->ff_video_options),
148                                  window->video_options->get_text());
149                 delete window;
150         }
151 }
152
153 int FileFFMPEG::check_sig(Asset *asset)
154 {
155         char *ptr = strstr(asset->path, ".pcm");
156         if( ptr ) return 0;
157         ptr = strstr(asset->path, ".raw");
158         if( ptr ) return 0;
159
160         FFMPEG ffmpeg(0);
161         int ret = !ffmpeg.init_decoder(asset->path) &&
162                 !ffmpeg.open_decoder() ? 1 : 0;
163         return ret;
164 }
165
166 void FileFFMPEG::get_info(char *path, char *text, int len)
167 {
168         char *cp = text;
169         FFMPEG ffmpeg(0);
170         cp += sprintf(cp, _("file path: %s\n"), path);
171         struct stat st;
172         int ret = 0;
173         if( stat(path, &st) < 0 ) {
174                 cp += sprintf(cp, _(" err: %s\n"), strerror(errno));
175                 ret = 1;
176         }
177         else {
178                 cp += sprintf(cp, _("  %jd bytes\n"), st.st_size);
179         }
180         if( !ret ) ret = ffmpeg.init_decoder(path);
181         if( !ret ) ret = ffmpeg.open_decoder();
182         if( !ret ) {
183                 cp += sprintf(cp, _("info:\n"));
184                 ffmpeg.info(cp, len-(cp-text));
185         }
186         else
187                 sprintf(cp, _("== open failed\n"));
188 }
189
190 int FileFFMPEG::get_video_info(int track, int &pid, double &framerate,
191                 int &width, int &height, char *title)
192 {
193         if( !ff ) return -1;
194         pid = ff->ff_video_pid(track);
195         framerate = ff->ff_frame_rate(track);
196         width = ff->ff_video_width(track);
197         height = ff->ff_video_height(track);
198         if( title ) *title = 0;
199         return 0;
200 }
201
202 int FileFFMPEG::get_audio_for_video(int vstream, int astream, int64_t &channel_mask)
203 {
204         if( !ff ) return 1;
205         return ff->ff_audio_for_video(vstream, astream, channel_mask);
206 }
207
208 int FileFFMPEG::select_video_stream(Asset *asset, int vstream)
209 {
210         if( !ff || !asset->video_data ) return 1;
211         asset->width = ff->ff_video_width(vstream);
212         asset->height = ff->ff_video_height(vstream);
213         if( (asset->video_length = ff->ff_video_frames(vstream)) < 2 )
214                 asset->video_length = asset->video_length < 0 ? 0 : -1;
215         asset->frame_rate = ff->ff_frame_rate(vstream);
216         return 0;
217 }
218
219 int FileFFMPEG::select_audio_stream(Asset *asset, int astream)
220 {
221         if( !ff || !asset->audio_data ) return 1;
222         asset->sample_rate = ff->ff_sample_rate(astream);
223         asset->audio_length = ff->ff_audio_samples(astream);
224         return 0;
225 }
226
227 int FileFFMPEG::open_file(int rd, int wr)
228 {
229         int result = 0;
230         if( ff ) return 1;
231         ff = new FFMPEG(this);
232
233         if( rd ) {
234                 result = ff->init_decoder(asset->path);
235                 if( !result ) result = ff->open_decoder();
236                 if( !result ) {
237                         int audio_channels = ff->ff_total_audio_channels();
238                         if( audio_channels > 0 ) {
239                                 asset->audio_data = 1;
240                                 asset->channels = audio_channels;
241                                 asset->sample_rate = ff->ff_sample_rate(0);
242                                 asset->audio_length = ff->ff_audio_samples(0);
243                                 strcpy(asset->acodec, ff->ff_audio_format(0));
244                         }
245                         int video_layers = ff->ff_total_video_layers();
246                         if( video_layers > 0 ) {
247                                 asset->video_data = 1;
248                                 if( !asset->layers ) asset->layers = video_layers;
249                                 asset->actual_width = ff->ff_video_width(0);
250                                 asset->actual_height = ff->ff_video_height(0);
251                                 if( !asset->width ) asset->width = asset->actual_width;
252                                 if( !asset->height ) asset->height = asset->actual_height;
253                                 if( !asset->video_length &&
254                                     (asset->video_length = ff->ff_video_frames(0)) < 2 )
255                                         asset->video_length = asset->video_length < 0 ? 0 : -1;
256                                 if( !asset->frame_rate ) asset->frame_rate = ff->ff_frame_rate(0);
257                                 strcpy(asset->vcodec, ff->ff_video_format(0));
258                         }
259                         IndexState *index_state = asset->index_state;
260                         index_state->read_markers(file->preferences->index_directory, asset->path);
261                 }
262         }
263         else if( wr ) {
264                 result = ff->init_encoder(asset->path);
265                 // must be in this order or dvdauthor will fail
266                 if( !result && asset->video_data )
267                         result = ff->open_encoder("video", asset->vcodec);
268                 if( !result && asset->audio_data )
269                         result = ff->open_encoder("audio", asset->acodec);
270         }
271         return result;
272 }
273
274 int FileFFMPEG::close_file()
275 {
276         delete ff;
277         ff = 0;
278         return 0;
279 }
280
281
282 int FileFFMPEG::write_samples(double **buffer, int64_t len)
283 {
284         if( !ff || len < 0 ) return -1;
285         int stream = 0;
286         int ret = ff->encode(stream, buffer, len);
287         return ret;
288 }
289
290 int FileFFMPEG::write_frames(VFrame ***frames, int len)
291 {
292         if( !ff ) return -1;
293         int ret = 0, layer = 0;
294         for(int i = 0; i < 1; i++) {
295                 for(int j = 0; j < len && !ret; j++) {
296                         VFrame *frame = frames[i][j];
297                         ret = ff->encode(layer, frame);
298                 }
299         }
300         return ret;
301 }
302
303
304 int FileFFMPEG::read_samples(double *buffer, int64_t len)
305 {
306         if( !ff || len < 0 ) return -1;
307         int ch = file->current_channel;
308         int64_t pos = file->current_sample;
309         int ret = ff->decode(ch, pos, buffer, len);
310         if( ret > 0 ) return 0;
311         memset(buffer,0,len*sizeof(*buffer));
312         return -1;
313 }
314
315 int FileFFMPEG::read_frame(VFrame *frame)
316 {
317         if( !ff ) return -1;
318         int layer = file->current_layer;
319         int64_t pos = asset->video_length >= 0 ? file->current_frame : 0;
320         int ret = ff->decode(layer, pos, frame);
321         frame->set_status(ret);
322         if( ret >= 0 ) return 0;
323         frame->clear_frame();
324         return -1;
325 }
326
327
328 int64_t FileFFMPEG::get_memory_usage()
329 {
330         return 0;
331 }
332
333 int FileFFMPEG::colormodel_supported(int colormodel)
334 {
335         return colormodel;
336 }
337
338
339 int FileFFMPEG::get_best_colormodel(int driver, int vstream)
340 {
341         if( vstream < 0 ) vstream = 0;
342         int is_mpeg = !ff ? 0 : ff->ff_video_mpeg_color_range(vstream);
343
344         switch(driver) {
345         case PLAYBACK_X11:
346         case PLAYBACK_X11_GL: return is_mpeg ? BC_YUV888 : BC_RGB888;
347         case PLAYBACK_X11_XV: return BC_YUV420P;
348         }
349
350         return BC_RGB888;
351 }
352
353 int FileFFMPEG::get_best_colormodel(Asset *asset, int driver)
354 {
355         switch(driver) {
356 // the direct X11 color model requires scaling in the codec
357         case SCREENCAPTURE:
358         case PLAYBACK_X11:
359         case PLAYBACK_X11_GL: return BC_RGB888;
360         case PLAYBACK_X11_XV: return BC_YUV420P;
361         }
362
363         return BC_YUV420P;
364 }
365
366 int FileFFMPEG::can_render(const char *fformat, const char *type)
367 {
368         FileSystem fs;
369         char option_path[BCTEXTLEN];
370         FFMPEG::set_option_path(option_path, type);
371         fs.update(option_path);
372         int total_files = fs.total_files();
373         for( int i=0; i<total_files; ++i ) {
374                 const char *name = fs.get_entry(i)->get_name();
375                 const char *ext = strrchr(name,'.');
376                 if( !ext ) continue;
377                 if( !strcmp(fformat, ++ext) ) return 1;
378         }
379         return 0;
380 }
381
382 int FileFFMPEG::get_ff_option(const char *nm, const char *options, char *value)
383 {
384         for( const char *cp=options; *cp!=0; ) {
385                 char line[BCTEXTLEN], *bp = line, *ep = bp+sizeof(line)-1;
386                 while( bp < ep && *cp && *cp!='\n' ) *bp++ = *cp++;
387                 if( *cp ) ++cp;
388                 *bp = 0;
389                 if( !line[0] || line[0] == '#' || line[0] == ';' ) continue;
390                 char key[BCSTRLEN], val[BCTEXTLEN];
391                 if( FFMPEG::scan_option_line(line, key, val) ) continue;
392                 if( !strcmp(key, nm) ) {
393                         strcpy(value, val);
394                         return 0;
395                 }
396         }
397         return 1;
398 }
399
400 //======
401
402 FFMPEGConfigAudio::FFMPEGConfigAudio(BC_WindowBase *parent_window, Asset *asset)
403  : BC_Window(_(PROGRAM_NAME ": Audio Preset"),
404         parent_window->get_abs_cursor_x(1),
405         parent_window->get_abs_cursor_y(1),
406         420, 420)
407 {
408         this->parent_window = parent_window;
409         this->asset = asset;
410         preset_popup = 0;
411
412         bitrate = 0;
413         audio_options = 0;
414         ff_options_dialog = 0;
415 }
416
417 FFMPEGConfigAudio::~FFMPEGConfigAudio()
418 {
419         delete ff_options_dialog;
420         lock_window("FFMPEGConfigAudio::~FFMPEGConfigAudio");
421         delete preset_popup;
422         presets.remove_all_objects();
423         unlock_window();
424 }
425
426 void FFMPEGConfigAudio::create_objects()
427 {
428         int x = 10, y = 10;
429         lock_window("FFMPEGConfigAudio::create_objects");
430
431         FileSystem fs;
432         char option_path[BCTEXTLEN];
433         FFMPEG::set_option_path(option_path, "audio");
434         fs.update(option_path);
435         int total_files = fs.total_files();
436         for(int i = 0; i < total_files; i++) {
437                 const char *name = fs.get_entry(i)->get_name();
438                 if( asset->fformat[0] != 0 ) {
439                         const char *ext = strrchr(name,'.');
440                         if( !ext ) continue;
441                         if( strcmp(asset->fformat, ++ext) ) continue;
442                 }
443                 presets.append(new BC_ListBoxItem(name));
444         }
445
446         if( asset->acodec[0] ) {
447                 int k = presets.size();
448                 while( --k >= 0 && strcmp(asset->acodec, presets[k]->get_text()) );
449                 if( k < 0 ) asset->acodec[0] = 0;
450         }
451
452         if( !asset->acodec[0] && presets.size() > 0 )
453                 strcpy(asset->acodec, presets[0]->get_text());
454
455         add_tool(new BC_Title(x, y, _("Preset:")));
456         y += 25;
457         preset_popup = new FFMPEGConfigAudioPopup(this, x, y);
458         preset_popup->create_objects();
459
460         y += 50;
461         bitrate = new FFMpegAudioBitrate(this, x, y, _("Bitrate:"), &asset->ff_audio_bitrate);
462         bitrate->create_objects();
463         bitrate->set_increment(1000);
464         bitrate->set_boundaries((int64_t)0, (int64_t)INT_MAX);
465
466         y += bitrate->get_h() + 10;
467         BC_Title *title = new BC_Title(x, y, _("Audio Options:"));
468         add_subwindow(title);
469
470         ff_options_dialog = new FFOptionsAudioDialog(this);
471         int x1 = x + title->get_w() + 8;
472         add_subwindow(new FFOptionsViewAudio(this, x1, y, _("view")));
473
474         y += 25;
475         if( !asset->ff_audio_options[0] && asset->acodec[0] ) {
476                 FFMPEG::set_option_path(option_path, "audio/%s", asset->acodec);
477                 FFMPEG::load_options(option_path, asset->ff_audio_options,
478                          sizeof(asset->ff_audio_options));
479         }
480
481         audio_options = new FFAudioOptions(this, x, y, get_w()-x-20, 10,
482                  sizeof(asset->ff_audio_options)-1, asset->ff_audio_options);
483         audio_options->create_objects();
484         add_subwindow(new BC_OKButton(this));
485         add_subwindow(new BC_CancelButton(this));
486         show_window(1);
487
488         bitrate->update_param("cin_bitrate", asset->ff_audio_options);
489
490         unlock_window();
491 }
492
493 int FFMPEGConfigAudio::close_event()
494 {
495         set_done(1);
496         return 1;
497 }
498
499 FFAudioOptions::FFAudioOptions(FFMPEGConfigAudio *audio_popup,
500         int x, int y, int w, int rows, int size, char *text)
501  : BC_ScrollTextBox(audio_popup, x, y, w, rows, text, size)
502 {
503         this->audio_popup = audio_popup;
504 }
505
506
507 FFMPEGConfigAudioPopup::FFMPEGConfigAudioPopup(FFMPEGConfigAudio *popup, int x, int y)
508  : BC_PopupTextBox(popup, &popup->presets, popup->asset->acodec, x, y, 300, 300)
509 {
510         this->popup = popup;
511 }
512
513 int FFMPEGConfigAudioPopup::handle_event()
514 {
515         strcpy(popup->asset->acodec, get_text());
516         Asset *asset = popup->asset;
517         asset->ff_audio_bitrate = 0;
518         char option_path[BCTEXTLEN];
519         FFMPEG::set_option_path(option_path, "audio/%s", asset->acodec);
520         FFMPEG::load_options(option_path, asset->ff_audio_options,
521                          sizeof(asset->ff_audio_options));
522         popup->audio_options->update(asset->ff_audio_options);
523         popup->audio_options->set_text_row(0);
524
525         popup->bitrate->update_param("cin_bitrate", asset->ff_audio_options);
526         return 1;
527 }
528
529
530 FFMPEGConfigAudioToggle::FFMPEGConfigAudioToggle(FFMPEGConfigAudio *popup,
531         char *title_text, int x, int y, int *output)
532  : BC_CheckBox(x, y, *output, title_text)
533 {
534         this->popup = popup;
535         this->output = output;
536 }
537 int FFMPEGConfigAudioToggle::handle_event()
538 {
539         *output = get_value();
540         return 1;
541 }
542
543 //======
544
545 FFMPEGConfigVideo::FFMPEGConfigVideo(BC_WindowBase *parent_window, Asset *asset)
546  : BC_Window(_(PROGRAM_NAME ": Video Preset"),
547         parent_window->get_abs_cursor_x(1),
548         parent_window->get_abs_cursor_y(1),
549         420, 420)
550 {
551         this->parent_window = parent_window;
552         this->asset = asset;
553         preset_popup = 0;
554
555         bitrate = 0;
556         quality = 0;
557         video_options = 0;
558 }
559
560 FFMPEGConfigVideo::~FFMPEGConfigVideo()
561 {
562         delete ff_options_dialog;
563         lock_window("FFMPEGConfigVideo::~FFMPEGConfigVideo");
564         if(preset_popup) delete preset_popup;
565         presets.remove_all_objects();
566         unlock_window();
567 }
568
569 void FFMPEGConfigVideo::create_objects()
570 {
571         int x = 10, y = 10;
572         lock_window("FFMPEGConfigVideo::create_objects");
573
574         add_subwindow(new BC_Title(x, y, _("Compression:")));
575         y += 25;
576
577         FileSystem fs;
578         char option_path[BCTEXTLEN];
579         FFMPEG::set_option_path(option_path, "video");
580         fs.update(option_path);
581         int total_files = fs.total_files();
582         for(int i = 0; i < total_files; i++) {
583                 const char *name = fs.get_entry(i)->get_name();
584                 if( asset->fformat[0] != 0 ) {
585                         const char *ext = strrchr(name,'.');
586                         if( !ext ) continue;
587                         if( strcmp(asset->fformat, ++ext) ) continue;
588                 }
589                 presets.append(new BC_ListBoxItem(name));
590         }
591
592         if( asset->vcodec[0] ) {
593                 int k = presets.size();
594                 while( --k >= 0 && strcmp(asset->vcodec, presets[k]->get_text()) );
595                 if( k < 0 ) asset->vcodec[0] = 0;
596         }
597
598         if( !asset->vcodec[0] && presets.size() > 0 )
599                 strcpy(asset->vcodec, presets[0]->get_text());
600
601         preset_popup = new FFMPEGConfigVideoPopup(this, x, y);
602         preset_popup->create_objects();
603
604         if( asset->ff_video_bitrate > 0 && asset->ff_video_quality >= 0 ) {
605                 asset->ff_video_bitrate = 0;  asset->ff_video_quality = -1;
606         }
607
608         y += 50;
609         bitrate = new FFMpegVideoBitrate(this, x, y, _("Bitrate:"), &asset->ff_video_bitrate);
610         bitrate->create_objects();
611         bitrate->set_increment(100000);
612         bitrate->set_boundaries((int64_t)0, (int64_t)INT_MAX);
613         y += bitrate->get_h() + 5;
614         quality = new FFMpegVideoQuality(this, x, y, _("Quality:"), &asset->ff_video_quality);
615         quality->create_objects();
616         quality->set_increment(1);
617         quality->set_boundaries((int64_t)-1, (int64_t)51);
618
619         y += quality->get_h() + 10;
620         BC_Title *title = new BC_Title(x, y, _("Video Options:"));
621         add_subwindow(title);
622
623         ff_options_dialog = new FFOptionsVideoDialog(this);
624         int x1 = x + title->get_w() + 8;
625         add_subwindow(new FFOptionsViewVideo(this, x1, y, _("view")));
626
627         y += 25;
628         if( !asset->ff_video_options[0] && asset->vcodec[0] ) {
629                 FFMPEG::set_option_path(option_path, "video/%s", asset->vcodec);
630                 FFMPEG::load_options(option_path, asset->ff_video_options,
631                          sizeof(asset->ff_video_options));
632         }
633
634         video_options = new FFVideoOptions(this, x, y, get_w()-x-20, 10,
635                  sizeof(asset->ff_video_options)-1, asset->ff_video_options);
636         video_options->create_objects();
637         add_subwindow(new BC_OKButton(this));
638         add_subwindow(new BC_CancelButton(this));
639         show_window(1);
640
641         bitrate->update_param("cin_bitrate", asset->ff_video_options);
642         quality->update_param("cin_quality", asset->ff_video_options);
643
644         if( asset->ff_video_bitrate > 0 ) quality->disable();
645         else if( asset->ff_video_quality >= 0 ) bitrate->disable();
646         unlock_window();
647 }
648
649 int FFMPEGConfigVideo::close_event()
650 {
651         set_done(1);
652         return 1;
653 }
654
655 FFVideoOptions::FFVideoOptions(FFMPEGConfigVideo *video_popup,
656         int x, int y, int w, int rows, int size, char *text)
657  : BC_ScrollTextBox(video_popup, x, y, w, rows, text, size)
658 {
659         this->video_popup = video_popup;
660 }
661
662
663 FFMPEGConfigVideoPopup::FFMPEGConfigVideoPopup(FFMPEGConfigVideo *popup, int x, int y)
664  : BC_PopupTextBox(popup, &popup->presets, popup->asset->vcodec, x, y, 300, 300)
665 {
666         this->popup = popup;
667 }
668
669 int FFMPEGConfigVideoPopup::handle_event()
670 {
671         strcpy(popup->asset->vcodec, get_text());
672         Asset *asset = popup->asset;
673         char option_path[BCTEXTLEN];
674         asset->ff_video_bitrate = 0;  asset->ff_video_quality = -1;
675         FFMPEG::set_option_path(option_path, "video/%s", asset->vcodec);
676         FFMPEG::load_options(option_path, asset->ff_video_options,
677                          sizeof(asset->ff_video_options));
678         popup->video_options->update(asset->ff_video_options);
679         popup->video_options->set_text_row(0);
680
681         popup->bitrate->update_param("cin_bitrate", asset->ff_video_options);
682         popup->quality->update_param("cin_quality", asset->ff_video_options);
683         return 1;
684 }
685
686
687 FFMPEGConfigVideoToggle::FFMPEGConfigVideoToggle(FFMPEGConfigVideo *popup,
688         char *title_text, int x, int y, int *output)
689  : BC_CheckBox(x, y, *output, title_text)
690 {
691         this->popup = popup;
692         this->output = output;
693 }
694 int FFMPEGConfigVideoToggle::handle_event()
695 {
696         *output = get_value();
697         return 1;
698 }
699
700 FFMPEGScanProgress::FFMPEGScanProgress(IndexFile *index_file, MainProgressBar *progress_bar,
701                 const char *title, int64_t length, int64_t *position, int *canceled)
702  : Thread(1, 0, 0)
703 {
704         this->index_file = index_file;
705         this->progress_bar = progress_bar;
706         strcpy(this->progress_title, title);
707         this->length = length;
708         this->position = position;
709         this->canceled = canceled;
710         done = 0;
711         start();
712 }
713
714 FFMPEGScanProgress::~FFMPEGScanProgress()
715 {
716         done = 1;
717         cancel();
718         join();
719 }
720
721 void FFMPEGScanProgress::run()
722 {
723         while( !done ) {
724                 if( progress_bar->update(*position) ) {
725                         *canceled = done = 1;
726                         break;
727                 }
728                 index_file->redraw_edits(0);
729                 usleep(500000);
730         }
731 }
732
733 int FileFFMPEG::get_index(IndexFile *index_file, MainProgressBar *progress_bar)
734 {
735         if( !ff ) return -1;
736         if( !file->preferences->ffmpeg_marker_indexes ) return 1;
737
738         IndexState *index_state = index_file->get_state();
739         if( index_state->index_status != INDEX_NOTTESTED ) return 0;
740         index_state->reset_index();
741         index_state->reset_markers();
742         index_state->index_status = INDEX_BUILDING;
743
744         for( int aidx=0; aidx<ff->ffaudio.size(); ++aidx ) {
745                 FFAudioStream *aud = ff->ffaudio[aidx];
746                 index_state->add_audio_stream(aud->channels, aud->length);
747         }
748
749         FileSystem fs;
750         int64_t file_bytes = fs.get_size(ff->fmt_ctx->filename);
751         char *index_path = index_file->index_filename;
752
753         int canceled = 0;
754         int64_t scan_position = 0;
755         FFMPEGScanProgress *scan_progress = 0;
756         if( progress_bar ) {
757                 char progress_title[BCTEXTLEN];
758                 sprintf(progress_title, _("Creating %s\n"), index_path);
759                 progress_bar->update_title(progress_title, 1);
760                 progress_bar->update_length(file_bytes);
761                 scan_progress = new FFMPEGScanProgress(index_file,
762                                 progress_bar, progress_title, file_bytes,
763                                 &scan_position, &canceled);
764         }
765
766         index_state->index_bytes = file_bytes;
767         index_state->init_scan(file->preferences->index_size);
768
769         if( ff->scan(index_state, &scan_position, &canceled) || canceled ) {
770                 index_state->reset_index();
771                 index_state->reset_markers();
772                 canceled = 1;
773         }
774
775         delete scan_progress;
776         if( canceled ) return 1;
777
778         index_state->marker_status = MARKERS_READY;
779         return index_state->create_index(index_path, asset);
780 }
781
782
783 FFOptions_OptPanel::
784 FFOptions_OptPanel(FFOptionsWindow *fwin, int x, int y, int w, int h)
785  : BC_ListBox(x, y, w, h, LISTBOX_TEXT), opts(items[0]), vals(items[1])
786 {
787         this->fwin = fwin;
788         update();  // init col/wid/columns
789 }
790
791 FFOptions_OptPanel::
792 ~FFOptions_OptPanel()
793 {
794 }
795
796 void FFOptions_OptPanel::create_objects()
797 {
798         const char *cols[] = { _("option"), _("value"), };
799         const int col1_w = 150;
800         int wids[] = { col1_w, get_w()-col1_w };
801         BC_ListBox::update(&items[0], &cols[0], &wids[0], sizeof(items)/sizeof(items[0]));
802 }
803
804 int FFOptions_OptPanel::update()
805 {
806         opts.remove_all();
807         vals.remove_all();
808         FFOptions &options = fwin->options;
809         for( int i=0; i<options.size(); ++i ) {
810                 FFOptions_Opt *opt = options[i];
811                 opts.append(opt->item_name);
812                 vals.append(opt->item_value);
813         }
814         draw_items(1);
815         return 0;
816 }
817
818 int FFOptions_OptPanel::cursor_leave_event()
819 {
820         hide_tooltip();
821         return 0;
822 }
823
824
825 FFOptions_OptName::FFOptions_OptName(FFOptions_Opt *opt, const char *nm)
826 {
827         this->opt = opt;
828         set_text(nm);
829 }
830
831 FFOptions_OptName::~FFOptions_OptName()
832 {
833 }
834
835 FFOptions_OptValue::FFOptions_OptValue(FFOptions_Opt *opt)
836 {
837         this->opt = opt;
838 }
839
840
841 void FFOptions_OptValue::update()
842 {
843         if( !opt ) return;
844         char val[BCTEXTLEN];  val[0] = 0;
845         opt->get(val, sizeof(val));
846         update(val);
847 }
848
849 void FFOptions_OptValue::update(const char *v)
850 {
851         set_text(v);
852 }
853
854 FFOptions_Opt::FFOptions_Opt(FFOptions *options, const AVOption *opt, const char *nm)
855 {
856         this->options = options;
857         this->opt = opt;
858         item_name = new FFOptions_OptName(this, nm);
859         item_value = new FFOptions_OptValue(this);
860 }
861
862 FFOptions_Opt::~FFOptions_Opt()
863 {
864         delete item_name;
865         delete item_value;
866 }
867
868 char *FFOptions_Opt::get(char *vp, int sz)
869 {
870         char *cp = vp;
871         *cp = 0;
872         if( !opt ) return cp;
873
874         void *obj = (void *)options->obj;
875         uint8_t *bp = 0;
876         if( av_opt_get(obj, opt->name, 0, &bp) >= 0 && bp != 0 ) {
877                 const char *val = (const char *)bp;
878                 if( opt->unit && *val ) {
879                         int id = atoi(val);
880                         const char *uid = unit_name(id);
881                         if( uid ) val = uid;
882                 }
883                 cp = sz >= 0 ? strncpy(vp,val,sz) : strcpy(vp, val);
884                 if( sz > 0 ) vp[sz-1] = 0;
885                 av_freep(&bp);
886         }
887
888         return cp;
889 }
890
891 void FFOptions_Opt::set(const char *val)
892 {
893         void *obj = (void *)options->obj;
894         if( !obj || !opt ) return;
895         av_opt_set(obj, opt->name, val, 0);
896 }
897
898
899 FFOptionsKindItem::FFOptionsKindItem(FFOptionsKind *kind, const char *text, int idx)
900  : BC_MenuItem(text)
901 {
902         this->kind = kind;
903         this->idx = idx;
904 }
905
906 FFOptionsKindItem::~FFOptionsKindItem()
907 {
908 }
909
910 int FFOptionsKindItem::handle_event()
911 {
912         FFOptionsWindow *fwin = kind->fwin;
913         FFOptions &options = fwin->options;
914         options.initialize(fwin, idx);
915         fwin->draw();
916         return 1;
917 }
918
919 const char *FFOptionsKind::kinds[] = {
920         N_("codec"),    // FF_KIND_CODEC
921         N_("ffmpeg"),   // FF_KIND_FFMPEG
922 };
923
924 FFOptionsKind::
925 FFOptionsKind(FFOptionsWindow *fwin, int x, int y, int w)
926  : BC_PopupMenu(x, y, w-calculate_w(0), "")
927 {
928         this->fwin = fwin;
929 }
930
931 FFOptionsKind::
932 ~FFOptionsKind()
933 {
934 }
935
936 void FFOptionsKind::create_objects()
937 {
938         for( int i=0; i<(int)(sizeof(kinds)/sizeof(kinds[0])); ++i )
939                 add_item(new FFOptionsKindItem(this, _(kinds[i]), i));
940 }
941
942 int FFOptionsKind::handle_event()
943 {
944         return 1;
945 }
946
947 void FFOptionsKind::set(int k)
948 {
949         this->kind = k;
950         set_text(_(kinds[k]));
951 }
952
953 FFOptionsText::
954 FFOptionsText(FFOptionsWindow *fwin, int x, int y, int w)
955  : BC_TextBox(x, y, w, 1, (char *)"")
956 {
957         this->fwin = fwin;
958 }
959
960 FFOptionsText::
961 ~FFOptionsText()
962 {
963 }
964
965 int FFOptionsText::handle_event()
966 {
967         return 0;
968 }
969
970 FFOptionsUnits::
971 FFOptionsUnits(FFOptionsWindow *fwin, int x, int y, int w)
972  : BC_PopupMenu(x, y, w, "")
973 {
974         this->fwin = fwin;
975 }
976
977 FFOptionsUnits::
978 ~FFOptionsUnits()
979 {
980 }
981
982 int FFOptionsUnits::handle_event()
983 {
984         const char *text = get_text();
985         if( text && fwin->selected ) {
986                 fwin->selected->set(text);
987                 fwin->selected->item_value->update();
988                 av_dict_set(&fwin->dialog->ff_opts,
989                         fwin->selected->item_name->get_text(),
990                         fwin->selected->item_value->get_text(), 0);
991                 fwin->draw();
992         }
993         return 1;
994 }
995
996 FFOptionsApply::
997 FFOptionsApply(FFOptionsWindow *fwin, int x, int y)
998  : BC_GenericButton(x, y, _("Apply"))
999 {
1000         this->fwin = fwin;
1001 }
1002
1003 FFOptionsApply::
1004 ~FFOptionsApply()
1005 {
1006 }
1007
1008 int FFOptionsApply::handle_event()
1009 {
1010         const char *text = fwin->text->get_text();
1011         if( text && fwin->selected ) {
1012                 fwin->selected->set(text);
1013                 fwin->selected->item_value->update();
1014                 av_dict_set(&fwin->dialog->ff_opts,
1015                         fwin->selected->item_name->get_text(),
1016                         fwin->selected->item_value->get_text(), 0);
1017                 fwin->draw();
1018         }
1019         return 1;
1020 }
1021
1022 FFOptions::FFOptions()
1023 {
1024         avctx = 0;
1025         obj = 0;
1026 }
1027
1028 FFOptions::~FFOptions()
1029 {
1030         remove_all_objects();
1031         avcodec_free_context(&avctx);
1032 }
1033
1034 int FFOptions::cmpr(const void *a, const void *b)
1035 {
1036         FFOptions_Opt *ap = *(FFOptions_Opt **)a;
1037         FFOptions_Opt *bp = *(FFOptions_Opt **)b;
1038         const char *vap = ap->item_name->get_text();
1039         const char *vbp = bp->item_name->get_text();
1040         return strcmp(vap, vbp);
1041 }
1042
1043 void FFOptions::initialize(FFOptionsWindow *win, int kind)
1044 {
1045         remove_all_objects();
1046         this->win = win;
1047         win->selected = 0;
1048         obj = 0;
1049         if( !avctx )
1050                 avctx = avcodec_alloc_context3(win->dialog->codec);
1051
1052         switch( kind ) {
1053         case FF_KIND_CODEC:
1054                 obj = (const void *)avctx->priv_data;
1055                 break;
1056         case FF_KIND_FFMPEG:
1057                 obj = (const void *)avctx;
1058                 break;
1059         }
1060
1061         if( obj ) {
1062                 FFOptions &conf = *this;
1063                 const AVOption *opt = 0;
1064                 while( (opt=av_opt_next(obj, opt)) != 0 ) {
1065                         if( opt->type == AV_OPT_TYPE_CONST ) continue;
1066                         int dupl = 0;
1067                         for( int i=0; !dupl && i<size(); ++i ) {
1068                                 FFOptions_Opt *fopt = conf[i];
1069                                 const AVOption *op = fopt->opt;
1070                                 if( op->offset != opt->offset ) continue;
1071                                 if( op->type != opt->type ) continue;
1072                                 dupl = 1;
1073                                 if( strlen(op->name) < strlen(opt->name) )
1074                                         fopt->opt = opt;
1075                         }
1076                         if( dupl ) continue;
1077                         FFOptions_Opt *fopt = new FFOptions_Opt(this, opt, opt->name);
1078                         append(fopt);
1079                         AVDictionaryEntry *elem = av_dict_get(win->dialog->ff_opts,
1080                                         opt->name, 0, AV_DICT_IGNORE_SUFFIX);
1081                         if( elem && elem->value ) fopt->set(elem->value);
1082                         char val[BCTEXTLEN], *vp = fopt->get(val, sizeof(val));
1083                         fopt->item_value->update(vp);
1084                 }
1085         }
1086
1087         qsort(&values[0],size(),sizeof(values[0]),cmpr);
1088         win->kind->set(kind);
1089         win->panel->update();
1090         win->panel->set_yposition(0);
1091 }
1092
1093 int FFOptions::update()
1094 {
1095         int ret = 0;
1096         FFOptions &conf = *this;
1097
1098         for( int i=0; i<size(); ++i ) {
1099                 FFOptions_Opt *fopt = conf[i];
1100                 char val[BCTEXTLEN], *vp = fopt->get(val, sizeof(val));
1101                 if( !vp || !strcmp(val, fopt->item_value->get_text()) ) continue;
1102                 fopt->item_value->update(val);
1103                 ++ret;
1104         }
1105         return ret;
1106 }
1107
1108 void FFOptions::dump(FILE *fp)
1109 {
1110         if( !obj ) return;
1111         const AVOption *opt = 0;
1112         FFOptions &conf = *this;
1113
1114         while( (opt=av_opt_next(obj, opt)) != 0 ) {
1115                 if( opt->type == AV_OPT_TYPE_CONST ) continue;
1116                 int k = size();
1117                 while( --k >= 0 && strcmp(opt->name, conf[k]->opt->name) );
1118                 if( k < 0 ) continue;
1119                 FFOptions_Opt *fopt = conf[k];
1120                 char val[BCTEXTLEN], *vp = fopt->get(val,sizeof(val));
1121                 fprintf(fp, "  %s:=%s", opt->name, vp);
1122                 if( opt->unit ) {
1123                         char unt[BCTEXTLEN], *up = unt;
1124                         fopt->units(up);
1125                         fprintf(fp, "%s", unt);
1126                 }
1127                 fprintf(fp, "\n");
1128         }
1129 }
1130
1131
1132 void FFOptionsWindow::update(FFOptions_Opt *opt)
1133 {
1134         if( selected != opt ) {
1135                 if( selected ) selected->item_name->set_selected(0);
1136                 selected = opt;
1137                 if( selected ) selected->item_name->set_selected(1);
1138         }
1139         clear_box(0,0, 0,panel->get_y());
1140         char str[BCTEXTLEN], *sp;
1141         *(sp=str) = 0;
1142         if( opt ) opt->types(sp);
1143         type->update(str);
1144         *(sp=str) = 0;
1145         if( opt ) opt->ranges(sp);
1146         range->update(str);
1147         while( units->total_items() ) units->del_item(0);
1148         char unit[BCSTRLEN];  strcpy(unit, "()");
1149         if( opt && opt->opt ) {
1150                 ArrayList<const char *> names;
1151                 int n = 0;
1152                 if( opt->opt->unit ) {
1153                         n = opt->units(names);
1154                         if( n > 0 ) strcpy(unit,opt->opt->unit);
1155                 }
1156                 for( int i=0; i<n; ++i )
1157                         units->add_item(new BC_MenuItem(names[i], 0));
1158         }
1159         units->set_text(unit);
1160         char val[BCTEXTLEN];  val[0] = 0;
1161         if( opt ) opt->get(val, sizeof(val));
1162         text->update(val);
1163
1164         panel->update();
1165 }
1166
1167 void FFOptions_OptPanel::show_tip(const char *tip)
1168 {
1169         if( !tip ) return;
1170         int len = strlen(tip);
1171         if( len > (int)sizeof(tip_text)-1 ) len = sizeof(tip_text)-1;
1172         strncpy(tip_text,tip,len);
1173         tip_text[len] = 0;
1174         int line_limit = 60;
1175         int limit2 = line_limit/2;
1176         int limit4 = line_limit/4-2;
1177         char *cp = tip_text, *dp = cp+len;
1178         int n;  char *bp, *ep, *pp, *sp;
1179         while( cp < dp ) {
1180                 for( ep=cp; ep<dp && *ep!='\n'; ++ep );
1181                 // target about half remaining line, constrain line_limit
1182                 if( (n=(ep-1-cp)/2) < limit2 || n > line_limit )
1183                         n = line_limit;
1184                 // search for last punct, last space before line_limit
1185                 for( bp=cp, pp=sp=0; --n>=0 && cp<ep; ++cp ) {
1186                         if( ispunct(*cp) && isspace(*(cp+1)) ) pp = cp;
1187                         else if( isspace(*cp) ) sp = cp;
1188                 }
1189                 // line not empty
1190                 if( cp < ep ) {
1191                         // first, after punctuation
1192                         if( pp && pp-bp >= limit4 )
1193                                 cp = pp+1;
1194                         // then, on spaces
1195                         else if( sp ) {
1196                                 cp = sp;
1197                         }
1198                         // last, on next space
1199                         else {
1200                                 while( cp<dp && !isspace(*cp) ) ++cp;
1201                         }
1202                         // add new line
1203                         if( !*cp ) break;
1204                         *cp++ = '\n';
1205                 }
1206         }
1207         fwin->panel->set_tooltip(tip_text);
1208         fwin->panel->show_tooltip();
1209 }
1210
1211 int FFOptions_OptPanel::selection_changed()
1212 {
1213         FFOptions_Opt *opt = 0;
1214         BC_ListBoxItem *item = get_selection(0, 0);
1215         if( item ) {
1216                 FFOptions_OptName *opt_name = (FFOptions_OptName *)item;
1217                 opt = opt_name->opt;
1218         }
1219         fwin->update(opt);
1220         if( opt ) show_tip(opt->tip());
1221         return 1;
1222 }
1223
1224
1225 int FFOptions_Opt::types(char *rp)
1226 {
1227         const char *cp = "";
1228         if( opt ) switch (opt->type) {
1229         case AV_OPT_TYPE_FLAGS: cp = N_("<flags>");  break;
1230         case AV_OPT_TYPE_INT: cp = N_("<int>"); break;
1231         case AV_OPT_TYPE_INT64: cp = N_("<int64>"); break;
1232         case AV_OPT_TYPE_DOUBLE: cp = N_("<double>"); break;
1233         case AV_OPT_TYPE_FLOAT: cp = N_("<float>"); break;
1234         case AV_OPT_TYPE_STRING: cp = N_("<string>"); break;
1235         case AV_OPT_TYPE_RATIONAL: cp = N_("<rational>"); break;
1236         case AV_OPT_TYPE_BINARY: cp = N_("<binary>"); break;
1237         case AV_OPT_TYPE_IMAGE_SIZE: cp = N_("<image_size>"); break;
1238         case AV_OPT_TYPE_VIDEO_RATE: cp = N_("<video_rate>"); break;
1239         case AV_OPT_TYPE_PIXEL_FMT: cp = N_("<pix_fmt>"); break;
1240         case AV_OPT_TYPE_SAMPLE_FMT: cp = N_("<sample_fmt>"); break;
1241         case AV_OPT_TYPE_DURATION: cp = N_("<duration>"); break;
1242         case AV_OPT_TYPE_COLOR: cp = N_("<color>"); break;
1243         case AV_OPT_TYPE_CHANNEL_LAYOUT: cp = N_("<channel_layout>");  break;
1244         case AV_OPT_TYPE_BOOL: cp = N_("<bool>");  break;
1245         default: cp = N_("<undef>");  break;
1246         }
1247         return sprintf(rp, "%s", _(cp));
1248 }
1249 int FFOptions_Opt::scalar(double d, char *rp)
1250 {
1251         const char *cp = 0;
1252              if( d == INT_MAX ) cp = "INT_MAX";
1253         else if( d == INT_MIN ) cp = "INT_MIN";
1254         else if( d == UINT32_MAX ) cp = "UINT32_MAX";
1255         else if( d == (double)INT64_MAX ) cp = "I64_MAX";
1256         else if( d == INT64_MIN ) cp = "I64_MIN";
1257         else if( d == FLT_MAX ) cp = "FLT_MAX";
1258         else if( d == FLT_MIN ) cp = "FLT_MIN";
1259         else if( d == -FLT_MAX ) cp = "-FLT_MAX";
1260         else if( d == -FLT_MIN ) cp = "-FLT_MIN";
1261         else if( d == DBL_MAX ) cp = "DBL_MAX";
1262         else if( d == DBL_MIN ) cp = "DBL_MIN";
1263         else if( d == -DBL_MAX ) cp = "-DBL_MAX";
1264         else if( d == -DBL_MIN ) cp = "-DBL_MIN";
1265         else if( d == 0 ) cp = signbit(d) ? "-0" : "0";
1266         else if( isnan(d) ) cp = signbit(d) ? "-NAN" : "NAN";
1267         else if( isinf(d) ) cp = signbit(d) ? "-INF" : "INF";
1268         else return sprintf(rp, "%g", d);
1269         return sprintf(rp, "%s", cp);
1270 }
1271
1272 int FFOptions_Opt::ranges(char *rp)
1273 {
1274         if( !opt ) return 0;
1275         void *obj = (void *)options->obj;
1276         if( !obj ) return 0;
1277
1278         switch (opt->type) {
1279         case AV_OPT_TYPE_INT:
1280         case AV_OPT_TYPE_INT64:
1281         case AV_OPT_TYPE_DOUBLE:
1282         case AV_OPT_TYPE_FLOAT: break;
1283         default: return 0;;
1284         }
1285         AVOptionRanges *r = 0;
1286         char *cp = rp;
1287         if( av_opt_query_ranges(&r, obj, opt->name, AV_OPT_SEARCH_FAKE_OBJ) < 0 ) return 0;
1288         for( int i=0; i<r->nb_ranges; ++i ) {
1289                 cp += sprintf(cp, " (");  cp += scalar(r->range[i]->value_min, cp);
1290                 cp += sprintf(cp, "..");  cp += scalar(r->range[i]->value_max, cp);
1291                 cp += sprintf(cp, ")");
1292         }
1293         av_opt_freep_ranges(&r);
1294         return cp - rp;
1295 }
1296
1297 int FFOptions_Opt::units(ArrayList<const char *> &names)
1298 {
1299         if( !opt || !opt->unit ) return 0;
1300         const void *obj = options->obj;
1301         if( !obj ) return 0;
1302
1303         ArrayList<const AVOption *> opts;
1304         const AVOption *opt = NULL;
1305         while( (opt=av_opt_next(obj, opt)) != 0 ) {
1306                 if( !opt->unit ) continue;
1307                 if( opt->type != AV_OPT_TYPE_CONST ) continue;
1308                 if( strcmp(this->opt->unit, opt->unit) ) continue;
1309                 int i = opts.size();
1310                 while( --i >= 0 ) {
1311                         if( opts[i]->default_val.i64 != opt->default_val.i64 ) continue;
1312                         if( strlen(opts[i]->name) < strlen(opt->name) ) opts[i] = opt;
1313                         break;
1314                 }
1315                 if( i >= 0 ) continue;
1316                 opts.append(opt);
1317         }
1318
1319         for( int i=0; i<opts.size(); ++i )
1320                 names.append(opts[i]->name);
1321
1322         return names.size();
1323 }
1324
1325 int FFOptions_Opt::units(char *rp)
1326 {
1327         ArrayList<const char *> names;
1328         int n = units(names);
1329         if( !n ) return 0;
1330         char *cp = rp;
1331         cp += sprintf(cp, " [%s:", this->opt->unit);
1332         for( int i=0; i<n; ++i )
1333                 cp += sprintf(cp, " %s", names[i]);
1334         cp += sprintf(cp, "]:");
1335         return cp - rp;
1336 }
1337
1338 const char *FFOptions_Opt::unit_name(int id)
1339 {
1340         if( !opt || !opt->unit ) return 0;
1341         const void *obj = options->obj;
1342         if( !obj ) return 0;
1343
1344         const char *ret = 0;
1345         const AVOption *opt = NULL;
1346         while( (opt=av_opt_next(obj, opt)) != 0 ) {
1347                 if( !opt->unit ) continue;
1348                 if( opt->type != AV_OPT_TYPE_CONST ) continue;
1349                 if( strcmp(this->opt->unit, opt->unit) ) continue;
1350                 if( opt->default_val.i64 != id ) continue;
1351                 if( !ret ) { ret = opt->name;  continue; }
1352                 if( strlen(ret) < strlen(opt->name) ) ret = opt->name;
1353         }
1354
1355         return ret;
1356 }
1357
1358 const char *FFOptions_Opt::tip()
1359 {
1360         return !opt ? 0 : opt->help;
1361 }
1362
1363
1364 FFOptionsWindow::FFOptionsWindow(FFOptionsDialog *dialog)
1365  : BC_Window(_(PROGRAM_NAME ": Options"), 60, 30, 640, 400)
1366 {
1367         this->dialog = dialog;
1368         this->selected = 0;
1369 }
1370
1371 FFOptionsWindow::~FFOptionsWindow()
1372 {
1373 }
1374
1375 void FFOptionsWindow::create_objects()
1376 {
1377         BC_Title *title;
1378         int x0 = 10, y0 = 10;
1379         int x = x0, y = y0;
1380         add_subwindow(title = new BC_Title(x, y, _("Format: ")));
1381         x += title->get_w();
1382         add_subwindow(new BC_Title(x, y, dialog->format_name));
1383         x = x0 + 150;
1384         add_subwindow(title = new BC_Title(x, y, _("Codec: ")));
1385         x += title->get_w();
1386         add_subwindow(new BC_Title(x, y, dialog->codec_name));
1387
1388         x = x0;  y += title->get_h() + 10;  y0 = y;
1389         add_subwindow(title = new BC_Title(x, y, _("Type: ")));
1390         x += title->get_w() + 8;
1391         add_subwindow(type = new BC_Title(x, y, (char *)""));
1392         x = x0 + 150;
1393         add_subwindow(title = new BC_Title(x, y, _("Range: ")));
1394         x += title->get_w() + 8;
1395         add_subwindow(range = new BC_Title(x, y, (char *)""));
1396
1397         x = x0;  y += title->get_h() + 10;
1398         add_subwindow(units = new FFOptionsUnits(this, x, y, 120));
1399         x += units->get_w() + 8;
1400         int x1 = get_w() - BC_GenericButton::calculate_w(this, _("Apply")) - 8;
1401         add_subwindow(text = new FFOptionsText(this, x, y, x1-x - 8));
1402         add_subwindow(apply = new FFOptionsApply(this, x1, y));
1403         y += units->get_h() + 10;
1404         add_subwindow(kind = new FFOptionsKind(this, x1, y0, apply->get_w()));
1405         kind->create_objects();
1406         const char *kind_text = _("Kind:");
1407         x1 -= BC_Title::calculate_w(this, kind_text) + 8;
1408         add_subwindow(kind_title = new BC_Title(x1, y0, kind_text));
1409         y0 = y;
1410
1411         panel_x = x0;  panel_y = y0;
1412         panel_w = get_w()-10 - panel_x;
1413         panel_h = get_h()-10 - panel_y - BC_OKButton::calculate_h();
1414         panel = new FFOptions_OptPanel(this, panel_x, panel_y, panel_w, panel_h);
1415         add_subwindow(panel);
1416         add_subwindow(new BC_OKButton(this));
1417         add_subwindow(new BC_CancelButton(this));
1418         panel->create_objects();
1419         options.initialize(this, FF_KIND_CODEC);
1420         draw();
1421         show_window(1);
1422 }
1423
1424 void FFOptionsWindow::draw()
1425 {
1426         update(selected);
1427 }
1428
1429 int FFOptionsWindow::resize_event(int w, int h)
1430 {
1431         int x1 = w - 8 - kind->get_w();
1432         int y = kind->get_y();
1433         kind->reposition_window(x1, y);
1434         x1 -= kind_title->get_w() + 8;
1435         kind_title->reposition_window(x1,y);
1436         x1 = get_w() - apply->get_w() - 8;
1437         int y1 = units->get_y();
1438         apply->reposition_window(x1, y1);
1439         int x0 = units->get_x() + units->get_w() + 8;
1440         int y0 = units->get_y();
1441         text->reposition_window(x0,y0, x1-x0-8);
1442         panel_w = get_w()-10 - panel_x;
1443         panel_h = get_h()-10 - panel_y;
1444         panel->reposition_window(panel_x,panel_y, panel_w, panel_h);
1445         return 1;
1446 }
1447
1448 FFOptionsDialog::FFOptionsDialog()
1449  : BC_DialogThread()
1450 {
1451         this->options_window = 0;
1452         this->codec_name = 0;
1453         this->codec = 0;
1454         this->ff_opts = 0;
1455         this->ff_len = 0;
1456 }
1457
1458 FFOptionsDialog::~FFOptionsDialog()
1459 {
1460         close_window();
1461         delete [] codec_name;
1462 }
1463
1464 void FFOptionsDialog::load_options(const char *bp, int len)
1465 {
1466         char line[BCTEXTLEN];
1467         char key[BCSTRLEN], val[BCTEXTLEN];
1468         const char *dp = bp + len-1;
1469         int no = 0;
1470         while( bp < dp && *bp != 0 ) {
1471                 ++no;
1472                 char *cp = line, *ep = cp+sizeof(line)-1;
1473                 while( *bp && cp<ep && (*cp=*bp++)!='\n' ) ++cp;
1474                 *cp = 0;
1475                 if( line[0] == '#' ) {
1476                         sprintf(key,"#%d", no);
1477                         av_dict_set(&ff_opts, key, line, 0);
1478                         continue;
1479                 }
1480                 if( line[0] == '\n' ) continue;
1481                 if( FFMPEG::scan_option_line(line, key, val) ) continue;
1482                 av_dict_set(&ff_opts, key, val, 0);
1483         }
1484 }
1485
1486 void FFOptionsDialog::store_options(char *cp, int len)
1487 {
1488         char *ep = cp + len-1;
1489         AVDictionaryEntry *elem = 0;
1490         while( (elem=av_dict_get(ff_opts, "", elem, AV_DICT_IGNORE_SUFFIX)) != 0 ) {
1491                 if( elem->key[0] == '#' ) {
1492                         cp += snprintf(cp,ep-cp, "%s\n", elem->value);
1493                         continue;
1494                 }
1495                 cp += snprintf(cp,ep-cp, "%s=%s\n", elem->key, elem->value);
1496         }
1497         *cp = 0;
1498 }
1499
1500 void FFOptionsDialog::start(const char *format_name, const char *codec_name,
1501         AVCodec *codec, const char *options, int len)
1502 {
1503         if( options_window ) {
1504                 options_window->lock_window("FFOptionsDialog::start");
1505                 options_window->raise_window();
1506                 options_window->unlock_window();
1507                 return;
1508         }
1509
1510         this->format_name = cstrdup(format_name);
1511         this->codec_name = cstrdup(codec_name);
1512         this->codec = codec;
1513         this->ff_opts = 0;
1514         this->ff_len = len;
1515         load_options(options, len);
1516
1517         BC_DialogThread::start();
1518 }
1519
1520 BC_Window* FFOptionsDialog::new_gui()
1521 {
1522         options_window = new FFOptionsWindow(this);
1523         options_window->create_objects();
1524         return options_window;
1525 }
1526
1527 void FFOptionsDialog::handle_done_event(int result)
1528 {
1529         if( !result ) {
1530                 char options[ff_len];
1531                 store_options(options, ff_len);
1532                 update_options(options);
1533         }
1534         options_window = 0;
1535         delete [] format_name; format_name = 0;
1536         delete [] codec_name;  codec_name = 0;
1537         av_dict_free(&ff_opts);
1538 }
1539
1540 FFOptionsAudioDialog::FFOptionsAudioDialog(FFMPEGConfigAudio *aud_config)
1541 {
1542         this->aud_config = aud_config;
1543 }
1544
1545 FFOptionsAudioDialog::~FFOptionsAudioDialog()
1546 {
1547         close_window();
1548 }
1549
1550 void FFOptionsAudioDialog::update_options(const char *options)
1551 {
1552         aud_config->audio_options->update(options);
1553 }
1554
1555 FFOptionsVideoDialog::FFOptionsVideoDialog(FFMPEGConfigVideo *vid_config)
1556 {
1557         this->vid_config = vid_config;
1558 }
1559
1560 FFOptionsVideoDialog::~FFOptionsVideoDialog()
1561 {
1562         close_window();
1563 }
1564
1565 void FFOptionsVideoDialog::update_options(const char *options)
1566 {
1567         vid_config->video_options->update(options);
1568 }
1569
1570
1571 FFOptionsViewAudio::FFOptionsViewAudio(FFMPEGConfigAudio *aud_config, int x, int y, const char *text)
1572  : BC_GenericButton(x, y, text)
1573 {
1574         this->aud_config = aud_config;
1575 }
1576
1577 FFOptionsViewAudio::~FFOptionsViewAudio()
1578 {
1579 }
1580
1581 int FFOptionsViewAudio::handle_event()
1582 {
1583         char audio_format[BCSTRLEN]; audio_format[0] = 0;
1584         char audio_codec[BCSTRLEN]; audio_codec[0] = 0;
1585         AVCodec *codec = 0;
1586         Asset *asset = aud_config->asset;
1587         const char *name = asset->acodec;
1588         if( !FFMPEG::get_format(audio_format, "audio", name) &&
1589             !FFMPEG::get_codec(audio_codec, "audio", name) )
1590                 codec = avcodec_find_encoder_by_name(audio_codec);
1591         if( !codec ) {
1592                 eprintf(_("no codec named: %s: %s"), name, audio_codec);
1593                 return 1;
1594         }
1595         aud_config->ff_options_dialog->start(audio_format, audio_codec, codec,
1596                 asset->ff_audio_options, sizeof(asset->ff_audio_options));
1597         return 1;
1598 }
1599
1600 FFOptionsViewVideo::FFOptionsViewVideo(FFMPEGConfigVideo *vid_config, int x, int y, const char *text)
1601  : BC_GenericButton(x, y, text)
1602 {
1603         this->vid_config = vid_config;
1604 }
1605
1606 FFOptionsViewVideo::~FFOptionsViewVideo()
1607 {
1608 }
1609
1610 int FFOptionsViewVideo::handle_event()
1611 {
1612         char video_format[BCSTRLEN]; video_format[0] = 0;
1613         char video_codec[BCSTRLEN]; video_codec[0] = 0;
1614         AVCodec *codec = 0;
1615         Asset *asset = vid_config->asset;
1616         const char *name = asset->vcodec;
1617         if( !FFMPEG::get_format(video_format, "video", name) &&
1618             !FFMPEG::get_codec(video_codec, "video", name) )
1619                 codec = avcodec_find_encoder_by_name(video_codec);
1620         if( !codec ) {
1621                 eprintf(_("no codec named: %s: %s"), name, video_codec);
1622                 return 1;
1623         }
1624         vid_config->ff_options_dialog->start(video_format, video_codec, codec,
1625                 asset->ff_video_options, sizeof(asset->ff_video_options));
1626         return 1;
1627 }
1628