cleanup + re-created cin po
[goodguy/cinelerra.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 "edl.h"
15 #include "ffmpeg.h"
16 #include "filebase.h"
17 #include "file.h"
18 #include "fileffmpeg.h"
19 #include "filesystem.h"
20 #include "indexfile.h"
21 #include "interlacemodes.h"
22 #include "language.h"
23 #include "mainerror.h"
24 #include "mainprogress.h"
25 #include "mutex.h"
26 #include "preferences.h"
27 #include "videodevice.inc"
28
29 #ifdef FFMPEG3
30 #define url filename
31 #endif
32
33 FileFFMPEG::FileFFMPEG(Asset *asset, File *file)
34  : FileBase(asset, file)
35 {
36         ff = 0;
37         if(asset->format == FILE_UNKNOWN)
38                 asset->format = FILE_FFMPEG;
39 }
40
41 FileFFMPEG::~FileFFMPEG()
42 {
43         delete ff;
44 }
45
46
47 FFMpegConfigNum::FFMpegConfigNum(BC_Window *window,
48                 int x, int y, char *title_text, int *output)
49  : BC_TumbleTextBox(window, *output, -1, INT_MAX, xS(100), y, xS(100))
50 {
51         this->window = window;
52         this->x = x;  this->y = y;
53         this->title_text = title_text;
54         this->output = output;
55 }
56
57 FFMpegConfigNum::~FFMpegConfigNum()
58 {
59 }
60
61 void FFMpegConfigNum::create_objects()
62 {
63         window->add_subwindow(title = new BC_Title(x, y, title_text));
64         BC_TumbleTextBox::create_objects();
65 }
66
67 int FFMpegConfigNum::update_param(const char *param, const char *opts)
68 {
69         char value[BCSTRLEN];
70         if( !FFMPEG::get_ff_option(param, opts, value) ) {
71                 if( (*output = atoi(value)) < 0 ) {
72                         disable(1);
73                         return 0;
74                 }
75         }
76         BC_TumbleTextBox::update((int64_t)*output);
77         enable();
78         return 1;
79 }
80
81 int FFMpegConfigNum::handle_event()
82 {
83         *output = atoi(get_text());
84         return 1;
85 }
86
87 FFMpegAudioNum::FFMpegAudioNum(BC_Window *window,
88                 int x, int y, char *title_text, int *output)
89  : FFMpegConfigNum(window, x, y, title_text, output)
90 {
91 }
92
93 int FFMpegAudioBitrate::handle_event()
94 {
95         int ret = FFMpegAudioNum::handle_event();
96         Asset *asset = window()->asset;
97         if( asset->ff_audio_bitrate > 0 )
98                 window()->quality->disable();
99         else if( !window()->quality->get_textbox()->is_hidden() )
100                 window()->quality->enable();
101         return ret;
102 }
103
104 int FFMpegAudioQuality::handle_event()
105 {
106         int ret = FFMpegAudioNum::handle_event();
107         Asset *asset = window()->asset;
108         if( asset->ff_audio_quality >= 0 )
109                 window()->bitrate->disable();
110         else if( !window()->bitrate->get_textbox()->is_hidden() )
111                 window()->bitrate->enable();
112         return ret;
113 }
114
115 FFMpegVideoNum::FFMpegVideoNum(BC_Window *window,
116                 int x, int y, char *title_text, int *output)
117  : FFMpegConfigNum(window, x, y, title_text, output)
118 {
119 }
120
121 int FFMpegVideoBitrate::handle_event()
122 {
123         int ret = FFMpegVideoNum::handle_event();
124         Asset *asset = window()->asset;
125         if( asset->ff_video_bitrate > 0 )
126                 window()->quality->disable();
127         else if( !window()->quality->get_textbox()->is_hidden() )
128                 window()->quality->enable();
129         return ret;
130 }
131
132 int FFMpegVideoQuality::handle_event()
133 {
134         int ret = FFMpegVideoNum::handle_event();
135         Asset *asset = window()->asset;
136         if( asset->ff_video_quality >= 0 )
137                 window()->bitrate->disable();
138         else if( !window()->bitrate->get_textbox()->is_hidden() )
139                 window()->bitrate->enable();
140         return ret;
141 }
142
143 FFMpegPixelFormat::FFMpegPixelFormat(FFMPEGConfigVideo *vid_config,
144         int x, int y, int w, int list_h)
145  : BC_PopupTextBox(vid_config, 0, 0, x, y, w, list_h)
146 {
147         this->vid_config = vid_config;
148 }
149
150 int FFMpegPixelFormat::handle_event()
151 {
152         strncpy(vid_config->asset->ff_pixel_format, get_text(),
153                 sizeof(vid_config->asset->ff_pixel_format));
154         return 1;
155 }
156
157 void FFMpegPixelFormat::update_formats()
158 {
159         pixfmts.remove_all_objects();
160         char video_codec[BCSTRLEN]; video_codec[0] = 0;
161         const char *vcodec = vid_config->asset->vcodec;
162         AVCodec *av_codec = !FFMPEG::get_codec(video_codec, "video", vcodec) ?
163                 avcodec_find_encoder_by_name(video_codec) : 0;
164         const AVPixelFormat *pix_fmts = av_codec ? av_codec->pix_fmts : 0;
165         if( pix_fmts ) {
166                 for( int i=0; pix_fmts[i]>=0; ++i ) {
167                         const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmts[i]);
168                         if( desc ) pixfmts.append(new BC_ListBoxItem(desc->name));
169                 }
170         }
171         update_list(&pixfmts);
172 }
173
174 FFMpegSampleFormat::FFMpegSampleFormat(FFMPEGConfigAudio *aud_config,
175         int x, int y, int w, int list_h)
176  : BC_PopupTextBox(aud_config, 0, 0, x, y, w, list_h)
177 {
178         this->aud_config = aud_config;
179 }
180
181 int FFMpegSampleFormat::handle_event()
182 {
183         strncpy(aud_config->asset->ff_sample_format, get_text(),
184                 sizeof(aud_config->asset->ff_sample_format));
185         return 1;
186 }
187
188 void FFMpegSampleFormat::update_formats()
189 {
190         samplefmts.remove_all_objects();
191         char audio_codec[BCSTRLEN]; audio_codec[0] = 0;
192         const char *acodec = aud_config->asset->acodec;
193         AVCodec *av_codec = !FFMPEG::get_codec(audio_codec, "audio", acodec) ?
194                 avcodec_find_encoder_by_name(audio_codec) : 0;
195         const AVSampleFormat *sample_fmts = av_codec ? av_codec->sample_fmts : 0;
196         if( sample_fmts ) {
197                 for( int i=0; sample_fmts[i]>=0; ++i ) {
198                         const char *name = av_get_sample_fmt_name(sample_fmts[i]);
199                         if( name ) samplefmts.append(new BC_ListBoxItem(name));
200                 }
201         }
202         update_list(&samplefmts);
203 }
204
205 void FileFFMPEG::set_options(char *cp, int len, const char *bp)
206 {
207         char *ep = cp + len-2, ch = 0;
208         while( cp < ep && *bp != 0 ) { ch = *bp++; *cp++ = ch; }
209         if( ch != '\n' ) *cp++ = '\n';
210         *cp = 0;
211 }
212
213 void FileFFMPEG::get_parameters(BC_WindowBase *parent_window,
214                 Asset *asset, BC_WindowBase *&format_window,
215                 int audio_options, int video_options, EDL *edl)
216 {
217         Asset *ff_asset = new Asset();
218         ff_asset->copy_from(asset, 0);
219         int wx, wy;
220         parent_window->get_pop_cursor(wx, wy);
221         if( audio_options ) {
222                 FFMPEGConfigAudio *window = new FFMPEGConfigAudio(parent_window,
223                         wx, wy, ff_asset, edl);
224                 format_window = window;
225                 window->create_objects();
226                 if( !window->run_window() ) {
227                         asset->copy_from(ff_asset,0);
228                         set_options(asset->ff_audio_options,
229                                 sizeof(asset->ff_audio_options),
230                                 window->audio_options->get_text());
231                 }
232                 delete window;
233         }
234         else if( video_options ) {
235                 FFMPEGConfigVideo *window = new FFMPEGConfigVideo(parent_window,
236                         wx, wy, ff_asset, edl);
237                 format_window = window;
238                 window->create_objects();
239                 if( !window->run_window() ) {
240                         asset->copy_from(ff_asset,0);
241                         set_options(asset->ff_video_options,
242                                 sizeof(asset->ff_video_options),
243                                 window->video_options->get_text());
244                 }
245                 delete window;
246         }
247         ff_asset->remove_user();
248 }
249
250 int FileFFMPEG::check_sig(Asset *asset)
251 {
252         char *ptr = strstr(asset->path, ".pcm");
253         if( ptr ) return 0;
254         ptr = strstr(asset->path, ".raw");
255         if( ptr ) return 0;
256
257         FFMPEG ffmpeg(0);
258         int ret = !ffmpeg.init_decoder(asset->path) &&
259                 !ffmpeg.open_decoder() ? 1 : 0;
260         return ret;
261 }
262
263 void FileFFMPEG::get_info(char *path, char *text, int len)
264 {
265         char *cp = text;
266         FFMPEG ffmpeg(0);
267         cp += sprintf(cp, _("file path: %s\n"), path);
268         struct stat st;
269         int ret = 0;
270         if( stat(path, &st) < 0 ) {
271                 cp += sprintf(cp, _(" err: %s\n"), strerror(errno));
272                 ret = 1;
273         }
274         else {
275                 cp += sprintf(cp, _("  %jd bytes\n"), st.st_size);
276         }
277         if( !ret ) ret = ffmpeg.init_decoder(path);
278         if( !ret ) ret = ffmpeg.open_decoder();
279         if( !ret ) {
280                 cp += sprintf(cp, _("info:\n"));
281                 ffmpeg.info(cp, len-(cp-text));
282         }
283         else
284                 sprintf(cp, _("== open failed\n"));
285 }
286
287 int FileFFMPEG::get_video_info(int track, int &pid, double &framerate,
288                 int &width, int &height, char *title)
289 {
290         if( !ff ) return -1;
291         pid = ff->ff_video_pid(track);
292         framerate = ff->ff_frame_rate(track);
293         width = ff->ff_video_width(track);
294         height = ff->ff_video_height(track);
295         if( title ) *title = 0;
296         return 0;
297 }
298
299 int FileFFMPEG::get_audio_for_video(int vstream, int astream, int64_t &channel_mask)
300 {
301         if( !ff ) return 1;
302         return ff->ff_audio_for_video(vstream, astream, channel_mask);
303 }
304
305 int FileFFMPEG::select_video_stream(Asset *asset, int vstream)
306 {
307         if( !ff || !asset->video_data ) return 1;
308         asset->width = ff->ff_video_width(vstream);
309         asset->height = ff->ff_video_height(vstream);
310         if( (asset->video_length = ff->ff_video_frames(vstream)) < 2 )
311                 asset->video_length = asset->video_length < 0 ? 0 : -1;
312         asset->frame_rate = ff->ff_frame_rate(vstream);
313         return 0;
314 }
315
316 int FileFFMPEG::select_audio_stream(Asset *asset, int astream)
317 {
318         if( !ff || !asset->audio_data ) return 1;
319         asset->sample_rate = ff->ff_sample_rate(astream);
320         asset->audio_length = ff->ff_audio_samples(astream);
321         return 0;
322 }
323
324 int FileFFMPEG::open_file(int rd, int wr)
325 {
326         int result = 0;
327         if( ff ) return 1;
328         ff = new FFMPEG(this);
329         
330         if( rd ) {
331                 result = ff->init_decoder(asset->path);
332                 if( !result ) result = ff->open_decoder();
333                 if( !result ) {
334                         int audio_channels = ff->ff_total_audio_channels();
335                         if( audio_channels > 0 ) {
336                                 asset->audio_data = 1;
337                                 asset->channels = audio_channels;
338                                 asset->sample_rate = ff->ff_sample_rate(0);
339                                 asset->audio_length = ff->ff_audio_samples(0);
340                                 strcpy(asset->acodec, ff->ff_audio_format(0));
341                         }
342                         int video_layers = ff->ff_total_video_layers();
343                         if( video_layers > 0 ) {
344                                 asset->video_data = 1;
345                                 asset->aspect_ratio = ff->ff_aspect_ratio(0);
346                                 if (!asset->interlace_mode) asset->interlace_mode = ff->ff_interlace(0);
347                                 if ( ff->ff_video_frames(0) > 1 ) {
348                                 ff->video_probe(1);
349                                  if (!asset->interlace_mode && (ff->interlace_from_codec) ) asset->interlace_mode = ff->video_probe(1); 
350                                 }
351                                 if( !asset->layers ) asset->layers = video_layers;
352                                 asset->actual_width = ff->ff_video_width(0);
353                                 asset->actual_height = ff->ff_video_height(0);
354                                 if( !asset->width ) asset->width = asset->actual_width;
355                                 if( !asset->height ) asset->height = asset->actual_height;
356                                 if( !asset->video_length &&
357                                     (asset->video_length = ff->ff_video_frames(0)) < 2 )
358                                         asset->video_length = asset->video_length < 0 ? 0 : -1;
359                                 if( !asset->frame_rate ) asset->frame_rate = ff->ff_frame_rate(0);
360                                 if( asset->ff_color_range < 0 )
361                                         asset->ff_color_range = ff->ff_color_range(0);
362                                 if( asset->ff_color_space < 0 )
363                                         asset->ff_color_space = ff->ff_color_space(0);
364                                 strcpy(asset->vcodec, ff->ff_video_codec(0));
365                         }
366                         IndexState *index_state = asset->index_state;
367                         index_state->read_markers(file->preferences->index_directory, asset->path);
368                 }
369         }
370         else if( wr ) {
371                 result = ff->init_encoder(asset->path);
372                 // must be in this order or dvdauthor will fail
373                 if( !result && asset->video_data )
374                         result = ff->open_encoder("video", asset->vcodec);
375                 if( !result && asset->audio_data )
376                         result = ff->open_encoder("audio", asset->acodec);
377         }
378         return result;
379 }
380
381 int FileFFMPEG::close_file()
382 {
383         delete ff;
384         ff = 0;
385         return 0;
386 }
387
388
389 int FileFFMPEG::write_samples(double **buffer, int64_t len)
390 {
391         if( !ff || len < 0 ) return -1;
392         int stream = 0;
393         int ret = ff->encode(stream, buffer, len);
394         return ret;
395 }
396
397 int FileFFMPEG::write_frames(VFrame ***frames, int len)
398 {
399         if( !ff ) return -1;
400         int ret = 0, layer = 0;
401         for(int i = 0; i < 1; i++) {
402                 for(int j = 0; j < len && !ret; j++) {
403                         VFrame *frame = frames[i][j];
404                         ret = ff->encode(layer, frame);
405                 }
406         }
407         return ret;
408 }
409
410
411 int FileFFMPEG::read_samples(double *buffer, int64_t len)
412 {
413         if( !ff || len < 0 ) return -1;
414         int ch = file->current_channel;
415         int64_t pos = file->current_sample;
416         int ret = ff->decode(ch, pos, buffer, len);
417         if( ret > 0 ) return 0;
418         memset(buffer,0,len*sizeof(*buffer));
419         return -1;
420 }
421
422 int FileFFMPEG::read_frame(VFrame *frame)
423 {
424         if( !ff ) return -1;
425         int layer = file->current_layer;
426         int64_t pos = asset->video_length >= 0 ? file->current_frame : 0;
427         int ret = ff->decode(layer, pos, frame);
428         frame->set_status(ret);
429         if( ret >= 0 ) return 0;
430         frame->clear_frame();
431         return -1;
432 }
433
434
435 int64_t FileFFMPEG::get_memory_usage()
436 {
437         return 0;
438 }
439
440 int FileFFMPEG::colormodel_supported(int colormodel)
441 {
442         return colormodel;
443 }
444
445
446 int FileFFMPEG::get_best_colormodel(int driver, int vstream)
447 {
448         if( vstream < 0 ) vstream = 0;
449         int is_mpeg = !ff ? 0 : ff->ff_video_mpeg_color_range(vstream);
450
451         switch(driver) {
452         case PLAYBACK_X11:
453         case PLAYBACK_X11_GL: return is_mpeg ? BC_YUV888 : BC_RGB888;
454         case PLAYBACK_X11_XV: return BC_YUV420P;
455         }
456
457         return BC_RGB888;
458 }
459
460 int FileFFMPEG::get_best_colormodel(Asset *asset, int driver)
461 {
462         switch(driver) {
463 // the direct X11 color model requires scaling in the codec
464         case SCREENCAPTURE:
465         case PLAYBACK_X11:
466         case PLAYBACK_X11_GL: return BC_RGB888;
467         case PLAYBACK_X11_XV: return BC_YUV420P;
468         }
469
470         return BC_YUV420P;
471 }
472
473
474 FFMPEGConfigWindow::FFMPEGConfigWindow(const char *title,
475                 BC_WindowBase *parent_window,
476                 int x, int y, int w, int h,
477                 Asset *asset, EDL *edl)
478  : BC_Window(title, x, y, w, h)
479 {
480         this->parent_window = parent_window;
481         this->asset = asset;
482         this->edl = edl;
483         avctx = 0;
484         fmt_ctx = 0;
485         ff_options_dialog = 0;
486         format_name = 0;
487         codec_name = 0;
488 }
489
490 FFMPEGConfigWindow::~FFMPEGConfigWindow()
491 {
492         delete ff_options_dialog;
493 }
494
495 void FFMPEGConfigWindow::start(AVCodecContext *avctx)
496 {
497         this->avctx = avctx;
498         ff_options_dialog->start();
499 }
500
501 void FFMPEGConfigWindow::start(AVFormatContext *fmt_ctx)
502 {
503         this->fmt_ctx = fmt_ctx;
504         ff_options_dialog->start();
505 }
506
507 //======
508
509 FFMPEGConfigAudio::FFMPEGConfigAudio(BC_WindowBase *parent_window,
510                 int x, int y, Asset *asset, EDL *edl)
511  : FFMPEGConfigWindow(_(PROGRAM_NAME ": Audio Preset"), parent_window, x, y,
512                 xS(420), yS(420), asset, edl)
513 {
514         preset_popup = 0;
515         bitrate = 0;
516         audio_options = 0;
517         format_name = asset->fformat;
518         codec_name = asset->acodec;
519 }
520
521 FFMPEGConfigAudio::~FFMPEGConfigAudio()
522 {
523         lock_window("FFMPEGConfigAudio::~FFMPEGConfigAudio");
524         delete preset_popup;
525         presets.remove_all_objects();
526         delete audio_options;
527         unlock_window();
528 }
529
530 void FFMPEGConfigAudio::read_options()
531 {
532         const char *options = audio_options->get_text();
533         int options_len = strlen(options);
534         ff_options_dialog->load_options(options, options_len);
535 }
536 void FFMPEGConfigAudio::save_options()
537 {
538         char options[BCTEXTLEN];
539         ff_options_dialog->store_options(options, sizeof(options)-1);
540         audio_options->update(options);
541 }
542
543 void FFMPEGConfigAudio::load_options()
544 {
545         FFMPEG::load_audio_options(asset, edl);
546 }
547
548 void FFMPEGConfigAudio::create_objects()
549 {
550         int x = xS(10), y = yS(10);
551         lock_window("FFMPEGConfigAudio::create_objects");
552
553         FileSystem fs;
554         char option_path[BCTEXTLEN];
555         FFMPEG::set_option_path(option_path, "audio");
556         fs.update(option_path);
557         int total_files = fs.total_files();
558         for(int i = 0; i < total_files; i++) {
559                 const char *name = fs.get_entry(i)->get_name();
560                 if( asset->fformat[0] != 0 ) {
561                         const char *ext = strrchr(name,'.');
562                         if( !ext ) continue;
563                         if( strcmp(asset->fformat, ++ext) ) continue;
564                 }
565                 presets.append(new BC_ListBoxItem(name));
566         }
567
568         if( asset->acodec[0] ) {
569                 int k = presets.size();
570                 while( --k >= 0 && strcmp(asset->acodec, presets[k]->get_text()) );
571                 if( k < 0 ) asset->acodec[0] = 0;
572         }
573
574         if( !asset->acodec[0] && presets.size() > 0 )
575                 strcpy(asset->acodec, presets[0]->get_text());
576
577         add_tool(new BC_Title(x, y, _("Preset:")));
578         y += yS(25);
579         preset_popup = new FFMPEGConfigAudioPopup(this, x, y);
580         preset_popup->create_objects();
581
582         y += yS(50);
583         bitrate = new FFMpegAudioBitrate(this, x, y, _("Bitrate:"), &asset->ff_audio_bitrate);
584         bitrate->create_objects();
585         bitrate->set_increment(1000);
586         bitrate->set_boundaries((int64_t)0, (int64_t)INT_MAX);
587         y += bitrate->get_h() + 5;
588         quality = new FFMpegAudioQuality(this, x, y, _("Quality:"), &asset->ff_audio_quality);
589         quality->create_objects();
590         quality->set_increment(1);
591         quality->set_boundaries((int64_t)-1, (int64_t)51);
592         y += quality->get_h() + yS(10);
593
594         add_subwindow(new BC_Title(x, y, _("Samples:")));
595         sample_format = new FFMpegSampleFormat(this, x+xS(90), y, xS(100), yS(120));
596         sample_format->create_objects();
597         if( asset->acodec[0] ) {
598                 sample_format->update_formats();
599                 if( !asset->ff_audio_options[0] )
600                         load_options();
601         }
602         if( !asset->ff_sample_format[0] ) strcpy(asset->ff_sample_format, _("None"));
603         sample_format->update(asset->ff_sample_format);
604         y += sample_format->get_h() + yS(10);
605
606         BC_Title *title = new BC_Title(x, y, _("Audio Options:"));
607         add_subwindow(title);
608
609         ff_options_dialog = new FFOptionsAudioDialog(this);
610         int x1 = x + title->get_w() + xS(8);
611         add_subwindow(view_audio = new FFOptionsViewAudio(this, x1, y, _("view")));
612         x1 += x + view_audio->get_w() + xS(20);
613         view_format = new FFOptionsViewFormat(this, edl, asset, x1, y, _("format"));
614         add_subwindow(view_format);
615
616         y += yS(25);
617         audio_options = new FFAudioOptions(this, x, y, get_w()-x-xS(20), 8,
618                  sizeof(asset->ff_audio_options)-1, asset->ff_audio_options);
619         audio_options->create_objects();
620         add_subwindow(new BC_OKButton(this));
621         add_subwindow(new BC_CancelButton(this));
622         show_window(1);
623
624         bitrate->update_param("cin_bitrate", asset->ff_audio_options);
625         quality->update_param("cin_quality", asset->ff_audio_options);
626
627         if( asset->ff_audio_bitrate > 0 ) quality->disable();
628         else if( asset->ff_audio_quality >= 0 ) bitrate->disable();
629
630         unlock_window();
631 }
632
633 int FFMPEGConfigAudio::close_event()
634 {
635         set_done(1);
636         return 1;
637 }
638
639 FFAudioOptions::FFAudioOptions(FFMPEGConfigAudio *audio_popup,
640         int x, int y, int w, int rows, int size, char *text)
641  : BC_ScrollTextBox(audio_popup, x, y, w, rows, text, size)
642 {
643         this->audio_popup = audio_popup;
644 }
645
646
647 FFMPEGConfigAudioPopup::FFMPEGConfigAudioPopup(FFMPEGConfigAudio *popup, int x, int y)
648  : BC_PopupTextBox(popup, &popup->presets, popup->asset->acodec, x, y, xS(300), yS(300))
649 {
650         this->popup = popup;
651 }
652
653 int FFMPEGConfigAudioPopup::handle_event()
654 {
655         strcpy(popup->asset->acodec, get_text());
656         popup->sample_format->update_formats();
657         Asset *asset = popup->asset;
658         asset->ff_audio_bitrate = 0;  asset->ff_audio_quality = -1;
659         popup->load_options();
660         popup->audio_options->update(asset->ff_audio_options);
661         popup->audio_options->set_text_row(0);
662
663         popup->bitrate->update_param("cin_bitrate", asset->ff_audio_options);
664         popup->quality->update_param("cin_quality", asset->ff_audio_options);
665         popup->sample_format->update(asset->ff_sample_format);
666         return 1;
667 }
668
669 //======
670
671 FFMPEGConfigVideo::FFMPEGConfigVideo(BC_WindowBase *parent_window,
672                 int x, int y, Asset *asset, EDL *edl)
673  : FFMPEGConfigWindow(_(PROGRAM_NAME ": Video Preset"), parent_window, x, y,
674                 xS(420), yS(420), asset, edl)
675 {
676         preset_popup = 0;
677         pixel_format = 0;
678         format_name = asset->fformat;
679         codec_name = asset->vcodec;
680
681         bitrate = 0;
682         quality = 0;
683         video_options = 0;
684 }
685
686 FFMPEGConfigVideo::~FFMPEGConfigVideo()
687 {
688         lock_window("FFMPEGConfigVideo::~FFMPEGConfigVideo");
689         delete preset_popup;
690         delete pixel_format;
691         delete video_options;
692         presets.remove_all_objects();
693         unlock_window();
694 }
695
696 void FFMPEGConfigVideo::read_options()
697 {
698         const char *options = video_options->get_text();
699         int options_len = strlen(options);
700         ff_options_dialog->load_options(options, options_len);
701 }
702 void FFMPEGConfigVideo::save_options()
703 {
704         char options[BCTEXTLEN];
705         ff_options_dialog->store_options(options, sizeof(options)-1);
706         video_options->update(options);
707 }
708
709 void FFMPEGConfigVideo::load_options()
710 {
711         FFMPEG::load_video_options(asset, edl);
712 }
713
714 void FFMPEGConfigVideo::create_objects()
715 {
716         int x = xS(10), y = yS(10);
717         lock_window("FFMPEGConfigVideo::create_objects");
718
719         add_subwindow(new BC_Title(x, y, _("Compression:")));
720         y += yS(25);
721
722         FileSystem fs;
723         char option_path[BCTEXTLEN];
724         FFMPEG::set_option_path(option_path, "video");
725         fs.update(option_path);
726         int total_files = fs.total_files();
727         for(int i = 0; i < total_files; i++) {
728                 const char *name = fs.get_entry(i)->get_name();
729                 if( asset->fformat[0] != 0 ) {
730                         const char *ext = strrchr(name,'.');
731                         if( !ext ) continue;
732                         if( strcmp(asset->fformat, ++ext) ) continue;
733                 }
734                 presets.append(new BC_ListBoxItem(name));
735         }
736
737         if( asset->vcodec[0] ) {
738                 int k = presets.size();
739                 while( --k >= 0 && strcmp(asset->vcodec, presets[k]->get_text()) );
740                 if( k < 0 ) asset->vcodec[0] = 0;
741         }
742
743         if( !asset->vcodec[0] && presets.size() > 0 )
744                 strcpy(asset->vcodec, presets[0]->get_text());
745
746         preset_popup = new FFMPEGConfigVideoPopup(this, x, y);
747         preset_popup->create_objects();
748
749         if( asset->ff_video_bitrate > 0 && asset->ff_video_quality >= 0 ) {
750                 asset->ff_video_bitrate = 0;  asset->ff_video_quality = -1;
751         }
752
753         y += yS(50);
754         bitrate = new FFMpegVideoBitrate(this, x, y, _("Bitrate:"), &asset->ff_video_bitrate);
755         bitrate->create_objects();
756         bitrate->set_increment(100000);
757         bitrate->set_boundaries((int64_t)0, (int64_t)INT_MAX);
758         y += bitrate->get_h() + 5;
759         quality = new FFMpegVideoQuality(this, x, y, _("Quality:"), &asset->ff_video_quality);
760         quality->create_objects();
761         quality->set_increment(1);
762         quality->set_boundaries((int64_t)-1, (int64_t)51);
763         y += quality->get_h() + yS(10);
764
765         add_subwindow(new BC_Title(x, y, _("Pixels:")));
766         pixel_format = new FFMpegPixelFormat(this, x+xS(90), y, xS(100), yS(120));
767         pixel_format->create_objects();
768         if( asset->vcodec[0] ) {
769                 pixel_format->update_formats();
770                 if( !asset->ff_video_options[0] )
771                         load_options();
772         }
773         if( !asset->ff_pixel_format[0] ) strcpy(asset->ff_pixel_format, _("None"));
774         pixel_format->update(asset->ff_pixel_format);
775         y += pixel_format->get_h() + yS(10);
776
777         BC_Title *title = new BC_Title(x, y, _("Video Options:"));
778         add_subwindow(title);
779
780         ff_options_dialog = new FFOptionsVideoDialog(this);
781         int x1 = x + title->get_w() + 8;
782         add_subwindow(view_video = new FFOptionsViewVideo(this, x1, y, _("view")));
783         x1 += x + view_video->get_w() + xS(20);
784         view_format = new FFOptionsViewFormat(this, edl, asset, x1, y, _("format"));
785         add_subwindow(view_format);
786
787         y += yS(25);
788         video_options = new FFVideoOptions(this, x, y, get_w()-x-xS(20), 8,
789                  sizeof(asset->ff_video_options)-1, asset->ff_video_options);
790         video_options->create_objects();
791         add_subwindow(new BC_OKButton(this));
792         add_subwindow(new BC_CancelButton(this));
793         show_window(1);
794
795         bitrate->update_param("cin_bitrate", asset->ff_video_options);
796         quality->update_param("cin_quality", asset->ff_video_options);
797
798         if( asset->ff_video_bitrate > 0 ) quality->disable();
799         else if( asset->ff_video_quality >= 0 ) bitrate->disable();
800         unlock_window();
801 }
802
803 int FFMPEGConfigVideo::close_event()
804 {
805         set_done(1);
806         return 1;
807 }
808
809 FFVideoOptions::FFVideoOptions(FFMPEGConfigVideo *video_popup,
810         int x, int y, int w, int rows, int size, char *text)
811  : BC_ScrollTextBox(video_popup, x, y, w, rows, text, size)
812 {
813         this->video_popup = video_popup;
814 }
815
816
817 FFMPEGConfigVideoPopup::FFMPEGConfigVideoPopup(FFMPEGConfigVideo *popup, int x, int y)
818  : BC_PopupTextBox(popup, &popup->presets, popup->asset->vcodec, x, y, xS(300), yS(300))
819 {
820         this->popup = popup;
821 }
822
823 int FFMPEGConfigVideoPopup::handle_event()
824 {
825         strcpy(popup->asset->vcodec, get_text());
826         popup->pixel_format->update_formats();
827         Asset *asset = popup->asset;
828         asset->ff_video_bitrate = 0;  asset->ff_video_quality = -1;
829         popup->load_options();
830         popup->video_options->update(asset->ff_video_options);
831         popup->video_options->set_text_row(0);
832
833         popup->bitrate->update_param("cin_bitrate", asset->ff_video_options);
834         popup->quality->update_param("cin_quality", asset->ff_video_options);
835         popup->pixel_format->update(asset->ff_pixel_format);
836         return 1;
837 }
838
839 //======
840
841 FFMPEGConfigFormat::FFMPEGConfigFormat(FFOptionsFormatViewDialog *view_dialog,
842                 int x, int y, Asset *asset, EDL *edl)
843  : FFMPEGConfigWindow(_(PROGRAM_NAME ": Format Preset"),
844                 view_dialog->view_format, x, y, xS(420), yS(300), asset, edl)
845 {
846         this->view_dialog = view_dialog;
847         format_options = 0;
848         format_name = asset->fformat;
849         codec_name = 0;
850 }
851
852 FFMPEGConfigFormat::~FFMPEGConfigFormat()
853 {
854         lock_window("FFMPEGConfigFormat::~FFMPEGConfigFormat");
855         delete format_options;
856         unlock_window();
857 }
858
859 void FFMPEGConfigFormat::read_options()
860 {
861         const char *options = format_options->get_text();
862         int options_len = strlen(options);
863         ff_options_dialog->load_options(options, options_len);
864 }
865 void FFMPEGConfigFormat::save_options()
866 {
867         char options[BCTEXTLEN];
868         ff_options_dialog->store_options(options, sizeof(options)-1);
869         format_options->update(options);
870 }
871 void FFMPEGConfigFormat::save_changes()
872 {
873         read_options();
874         char *options = asset->ff_format_options;
875         int options_len = sizeof(asset->ff_format_options)-1;
876         ff_options_dialog->store_options(options, options_len);
877 }
878
879 void FFMPEGConfigFormat::load_options()
880 {
881         Asset *asset = view_dialog->view_format->asset;
882         EDL *edl = view_dialog->view_format->edl;
883         FFMPEG::load_format_options(asset, edl);
884 }
885
886 void FFMPEGConfigFormat::create_objects()
887 {
888         int x = xS(10), y = yS(10);
889         lock_window("FFMPEGConfigFormat::create_objects");
890         Asset *asset = view_dialog->view_format->asset;
891         BC_Title *title;
892         add_subwindow(title = new BC_Title(x, y, _("Format:")));
893         int x1 = x + title->get_w() + 8;
894         add_subwindow(new BC_Title(x1, y, asset->fformat));
895         y += yS(25);
896
897         add_subwindow(title = new BC_Title(x, y, _("Format Options:")));
898
899         ff_options_dialog = new FFOptionsFormatDialog(this);
900         x1 = x + title->get_w() + 8;
901         add_subwindow(new FFOptionsFormatView(this, x1, y, _("view")));
902
903         y += yS(25);
904         format_options = new FFFormatOptions(this, x, y, get_w()-x-xS(20), 8,
905                  sizeof(asset->ff_format_options)-1, asset->ff_format_options);
906         format_options->create_objects();
907         add_subwindow(new BC_OKButton(this));
908         add_subwindow(new BC_CancelButton(this));
909         show_window(1);
910         unlock_window();
911 }
912
913 int FFMPEGConfigFormat::close_event()
914 {
915         set_done(1);
916         return 1;
917 }
918
919 FFFormatOptions::FFFormatOptions(FFMPEGConfigFormat *format_popup,
920         int x, int y, int w, int rows, int size, char *text)
921  : BC_ScrollTextBox(format_popup, x, y, w, rows, text, size)
922 {
923         this->format_popup = format_popup;
924 }
925
926 //======
927
928 FFMPEGScanProgress::FFMPEGScanProgress(IndexFile *index_file, MainProgressBar *progress_bar,
929                 const char *title, int64_t length, int64_t *position, int *canceled)
930  : Thread(1, 0, 0)
931 {
932         this->index_file = index_file;
933         this->progress_bar = progress_bar;
934         strcpy(this->progress_title, title);
935         this->length = length;
936         this->position = position;
937         this->canceled = canceled;
938         done = 0;
939         start();
940 }
941
942 FFMPEGScanProgress::~FFMPEGScanProgress()
943 {
944         done = 1;
945         cancel();
946         join();
947 }
948
949 void FFMPEGScanProgress::run()
950 {
951         while( !done ) {
952                 if( progress_bar->update(*position) ) {
953                         *canceled = done = 1;
954                         break;
955                 }
956                 index_file->redraw_edits(0);
957                 usleep(500000);
958         }
959 }
960
961 int FileFFMPEG::get_index(IndexFile *index_file, MainProgressBar *progress_bar)
962 {
963         if( !ff ) return -1;
964         if( !file->preferences->ffmpeg_marker_indexes ) return 1;
965
966         IndexState *index_state = index_file->get_state();
967         if( index_state->index_status != INDEX_NOTTESTED ) return 0;
968         index_state->reset_index();
969         index_state->reset_markers();
970         index_state->index_status = INDEX_BUILDING;
971
972         for( int aidx=0; aidx<ff->ffaudio.size(); ++aidx ) {
973                 FFAudioStream *aud = ff->ffaudio[aidx];
974                 index_state->add_audio_stream(aud->channels, aud->length);
975         }
976
977         FileSystem fs;
978         int64_t file_bytes = fs.get_size(ff->fmt_ctx->url);
979         char *index_path = index_file->index_filename;
980
981         int canceled = 0;
982         int64_t scan_position = 0;
983         FFMPEGScanProgress *scan_progress = 0;
984         if( progress_bar ) {
985                 char progress_title[BCTEXTLEN];
986                 sprintf(progress_title, _("Creating %s\n"), index_path);
987                 progress_bar->update_title(progress_title, 1);
988                 progress_bar->update_length(file_bytes);
989                 scan_progress = new FFMPEGScanProgress(index_file,
990                                 progress_bar, progress_title, file_bytes,
991                                 &scan_position, &canceled);
992         }
993
994         index_state->index_bytes = file_bytes;
995         index_state->init_scan(file->preferences->index_size);
996
997         if( ff->scan(index_state, &scan_position, &canceled) || canceled ) {
998                 index_state->reset_index();
999                 index_state->reset_markers();
1000                 canceled = 1;
1001         }
1002
1003         delete scan_progress;
1004         if( canceled ) return 1;
1005
1006         index_state->marker_status = MARKERS_READY;
1007         return index_state->create_index(index_path, asset);
1008 }
1009
1010
1011 FFOptions_OptPanel::
1012 FFOptions_OptPanel(FFOptionsWindow *fwin, int x, int y, int w, int h)
1013  : BC_ListBox(x, y, w, h, LISTBOX_TEXT), opts(items[0]), vals(items[1])
1014 {
1015         this->fwin = fwin;
1016         update();  // init col/wid/columns
1017 }
1018
1019 FFOptions_OptPanel::
1020 ~FFOptions_OptPanel()
1021 {
1022 }
1023
1024 void FFOptions_OptPanel::create_objects()
1025 {
1026         const char *cols[] = { _("option"), _("value"), };
1027         const int col1_w = xS(150);
1028         int wids[] = { col1_w, get_w()-col1_w };
1029         BC_ListBox::update(&items[0], &cols[0], &wids[0], sizeof(items)/sizeof(items[0]));
1030 }
1031
1032 int FFOptions_OptPanel::update()
1033 {
1034         opts.remove_all();
1035         vals.remove_all();
1036         FFOptions &options = fwin->options;
1037         for( int i=0; i<options.size(); ++i ) {
1038                 FFOptions_Opt *opt = options[i];
1039                 opts.append(opt->item_name);
1040                 vals.append(opt->item_value);
1041         }
1042         draw_items(1);
1043         return 0;
1044 }
1045
1046 int FFOptions_OptPanel::cursor_leave_event()
1047 {
1048         hide_tooltip();
1049         return 0;
1050 }
1051
1052
1053 FFOptions_OptName::FFOptions_OptName(FFOptions_Opt *opt, const char *nm)
1054 {
1055         this->opt = opt;
1056         set_text(nm);
1057 }
1058
1059 FFOptions_OptName::~FFOptions_OptName()
1060 {
1061 }
1062
1063 FFOptions_OptValue::FFOptions_OptValue(FFOptions_Opt *opt)
1064 {
1065         this->opt = opt;
1066 }
1067
1068
1069 void FFOptions_OptValue::update()
1070 {
1071         if( !opt ) return;
1072         char val[BCTEXTLEN];  val[0] = 0;
1073         opt->get(val, sizeof(val));
1074         update(val);
1075 }
1076
1077 void FFOptions_OptValue::update(const char *v)
1078 {
1079         set_text(v);
1080 }
1081
1082 FFOptions_Opt::FFOptions_Opt(FFOptions *options, const AVOption *opt, const char *nm)
1083 {
1084         this->options = options;
1085         this->opt = opt;
1086         item_name = new FFOptions_OptName(this, nm);
1087         item_value = new FFOptions_OptValue(this);
1088 }
1089
1090 FFOptions_Opt::~FFOptions_Opt()
1091 {
1092         delete item_name;
1093         delete item_value;
1094 }
1095
1096 char *FFOptions_Opt::get(char *vp, int sz)
1097 {
1098         char *cp = vp;
1099         *cp = 0;
1100         if( !opt ) return cp;
1101
1102         void *obj = (void *)options->obj;
1103         uint8_t *bp = 0;
1104         if( av_opt_get(obj, opt->name, 0, &bp) >= 0 && bp != 0 ) {
1105                 const char *val = (const char *)bp;
1106                 if( opt->unit && *val ) {
1107                         int id = atoi(val);
1108                         const char *uid = unit_name(id);
1109                         if( uid ) val = uid;
1110                 }
1111                 cp = sz >= 0 ? strncpy(vp,val,sz) : strcpy(vp, val);
1112                 if( sz > 0 ) vp[sz-1] = 0;
1113                 av_freep(&bp);
1114         }
1115
1116         return cp;
1117 }
1118
1119 void FFOptions_Opt::set(const char *val)
1120 {
1121         void *obj = (void *)options->obj;
1122         if( !obj || !opt ) return;
1123         av_opt_set(obj, opt->name, val, 0);
1124 }
1125
1126
1127 FFOptionsKindItem::FFOptionsKindItem(FFOptionsKind *kind, const char *text, int idx)
1128  : BC_MenuItem(text)
1129 {
1130         this->kind = kind;
1131         this->idx = idx;
1132 }
1133
1134 FFOptionsKindItem::~FFOptionsKindItem()
1135 {
1136 }
1137
1138 int FFOptionsKindItem::handle_event()
1139 {
1140         FFOptionsWindow *fwin = kind->fwin;
1141         FFOptions &options = fwin->options;
1142         options.initialize(fwin, idx);
1143         kind->set_text(get_text());
1144         fwin->draw();
1145         return 1;
1146 }
1147
1148 const char *FFOptionsKind::kinds[] = {
1149         N_("codec"),    // FF_KIND_CODEC
1150         N_("format"),   // FF_KIND_FORMAT
1151         N_("ffmpeg"),   // FF_KIND_FFMPEG
1152 };
1153
1154 FFOptionsKind::
1155 FFOptionsKind(FFOptionsWindow *fwin, int x, int y, int w)
1156  : BC_PopupMenu(x, y, w, "")
1157 {
1158         this->fwin = fwin;
1159 }
1160
1161 FFOptionsKind::
1162 ~FFOptionsKind()
1163 {
1164 }
1165
1166 void FFOptionsKind::create_objects()
1167 {
1168         add_item(new FFOptionsKindItem(this, _(kinds[FF_KIND_CODEC]), FF_KIND_CODEC));
1169         add_item(new FFOptionsKindItem(this, _(kinds[FF_KIND_FFMPEG]), FF_KIND_FFMPEG));
1170 }
1171
1172 int FFOptionsKind::handle_event()
1173 {
1174         return 1;
1175 }
1176
1177 void FFOptionsKind::set(int k)
1178 {
1179         this->kind = k;
1180         set_text(_(kinds[k]));
1181 }
1182
1183 FFOptionsText::
1184 FFOptionsText(FFOptionsWindow *fwin, int x, int y, int w)
1185  : BC_TextBox(x, y, w, 1, (char *)"")
1186 {
1187         this->fwin = fwin;
1188 }
1189
1190 FFOptionsText::
1191 ~FFOptionsText()
1192 {
1193 }
1194
1195 int FFOptionsText::handle_event()
1196 {
1197         return 0;
1198 }
1199
1200 FFOptionsUnits::
1201 FFOptionsUnits(FFOptionsWindow *fwin, int x, int y, int w)
1202  : BC_PopupMenu(x, y, w, "")
1203 {
1204         this->fwin = fwin;
1205 }
1206
1207 FFOptionsUnits::
1208 ~FFOptionsUnits()
1209 {
1210 }
1211
1212 int FFOptionsUnits::handle_event()
1213 {
1214         const char *text = get_text();
1215         if( text && fwin->selected ) {
1216                 fwin->selected->set(text);
1217                 fwin->selected->item_value->update();
1218                 av_dict_set(&fwin->dialog->ff_opts,
1219                         fwin->selected->item_name->get_text(),
1220                         fwin->selected->item_value->get_text(), 0);
1221                 fwin->draw();
1222         }
1223         return 1;
1224 }
1225
1226 FFOptionsApply::
1227 FFOptionsApply(FFOptionsWindow *fwin, int x, int y)
1228  : BC_GenericButton(x, y, _("Apply"))
1229 {
1230         this->fwin = fwin;
1231 }
1232
1233 FFOptionsApply::
1234 ~FFOptionsApply()
1235 {
1236 }
1237
1238 int FFOptionsApply::handle_event()
1239 {
1240         const char *text = fwin->text->get_text();
1241         if( text && fwin->selected ) {
1242                 fwin->selected->set(text);
1243                 fwin->selected->item_value->update();
1244                 av_dict_set(&fwin->dialog->ff_opts,
1245                         fwin->selected->item_name->get_text(),
1246                         fwin->selected->item_value->get_text(), 0);
1247                 fwin->draw();
1248         }
1249         return 1;
1250 }
1251
1252 FFOptions::FFOptions()
1253 {
1254         obj = 0;
1255 }
1256
1257 FFOptions::~FFOptions()
1258 {
1259         remove_all_objects();
1260 }
1261
1262 int FFOptions::cmpr(const void *a, const void *b)
1263 {
1264         FFOptions_Opt *ap = *(FFOptions_Opt **)a;
1265         FFOptions_Opt *bp = *(FFOptions_Opt **)b;
1266         const char *vap = ap->item_name->get_text();
1267         const char *vbp = bp->item_name->get_text();
1268         return strcmp(vap, vbp);
1269 }
1270
1271 void FFOptions::initialize(FFOptionsWindow *win, int kind)
1272 {
1273         remove_all_objects();
1274         win->selected = 0;
1275         const void *obj = 0;
1276         switch( kind ) {
1277         case FF_KIND_CODEC:
1278                 obj = (const void *)win->dialog->cfg_window->avctx->priv_data;
1279                 break;
1280         case FF_KIND_FFMPEG:
1281                 obj = (const void *)win->dialog->cfg_window->avctx;
1282                 break;
1283         case FF_KIND_FORMAT:
1284                 obj = (const void *)win->dialog->cfg_window->fmt_ctx->priv_data;
1285                 break;
1286         }
1287         this->win = win;
1288         this->obj = obj;
1289         if( obj ) {
1290                 FFOptions &conf = *this;
1291                 const AVOption *opt = 0;
1292                 while( (opt=av_opt_next(obj, opt)) != 0 ) {
1293                         if( opt->type == AV_OPT_TYPE_CONST ) continue;
1294                         int dupl = 0;
1295                         for( int i=0; !dupl && i<size(); ++i ) {
1296                                 FFOptions_Opt *fopt = conf[i];
1297                                 const AVOption *op = fopt->opt;
1298                                 if( op->offset != opt->offset ) continue;
1299                                 if( op->type != opt->type ) continue;
1300                                 dupl = 1;
1301                                 if( strlen(op->name) < strlen(opt->name) )
1302                                         fopt->opt = opt;
1303                         }
1304                         if( dupl ) continue;
1305                         FFOptions_Opt *fopt = new FFOptions_Opt(this, opt, opt->name);
1306                         append(fopt);
1307                         AVDictionaryEntry *elem = av_dict_get(win->dialog->ff_opts,
1308                                         opt->name, 0, AV_DICT_IGNORE_SUFFIX);
1309                         if( elem && elem->value ) fopt->set(elem->value);
1310                         char val[BCTEXTLEN], *vp = fopt->get(val, sizeof(val));
1311                         fopt->item_value->update(vp);
1312                 }
1313                 qsort(&values[0],size(),sizeof(values[0]),cmpr);
1314         }
1315         win->panel->update();
1316         win->panel->set_yposition(0);
1317 }
1318
1319 int FFOptions::update()
1320 {
1321         int ret = 0;
1322         FFOptions &conf = *this;
1323
1324         for( int i=0; i<size(); ++i ) {
1325                 FFOptions_Opt *fopt = conf[i];
1326                 char val[BCTEXTLEN], *vp = fopt->get(val, sizeof(val));
1327                 if( !vp || !strcmp(val, fopt->item_value->get_text()) ) continue;
1328                 fopt->item_value->update(val);
1329                 ++ret;
1330         }
1331         return ret;
1332 }
1333
1334 void FFOptions::dump(FILE *fp)
1335 {
1336         if( !obj ) return;
1337         const AVOption *opt = 0;
1338         FFOptions &conf = *this;
1339
1340         while( (opt=av_opt_next(obj, opt)) != 0 ) {
1341                 if( opt->type == AV_OPT_TYPE_CONST ) continue;
1342                 int k = size();
1343                 while( --k >= 0 && strcmp(opt->name, conf[k]->opt->name) );
1344                 if( k < 0 ) continue;
1345                 FFOptions_Opt *fopt = conf[k];
1346                 char val[BCTEXTLEN], *vp = fopt->get(val,sizeof(val));
1347                 fprintf(fp, "  %s:=%s", opt->name, vp);
1348                 if( opt->unit ) {
1349                         char unt[BCTEXTLEN], *up = unt;
1350                         fopt->units(up);
1351                         fprintf(fp, "%s", unt);
1352                 }
1353                 fprintf(fp, "\n");
1354         }
1355 }
1356
1357
1358 void FFOptionsWindow::update(FFOptions_Opt *opt)
1359 {
1360         if( selected != opt ) {
1361                 if( selected ) selected->item_name->set_selected(0);
1362                 selected = opt;
1363                 if( selected ) selected->item_name->set_selected(1);
1364         }
1365         clear_box(0,0, 0,panel->get_y());
1366         char str[BCTEXTLEN], *sp;
1367         *(sp=str) = 0;
1368         if( opt ) opt->types(sp);
1369         type->update(str);
1370         *(sp=str) = 0;
1371         if( opt ) opt->ranges(sp);
1372         range->update(str);
1373         while( units->total_items() ) units->del_item(0);
1374         char unit[BCSTRLEN];  strcpy(unit, "()");
1375         if( opt && opt->opt ) {
1376                 ArrayList<const char *> names;
1377                 int n = 0;
1378                 if( opt->opt->unit ) {
1379                         n = opt->units(names);
1380                         if( n > 0 ) strcpy(unit,opt->opt->unit);
1381                 }
1382                 for( int i=0; i<n; ++i )
1383                         units->add_item(new BC_MenuItem(names[i], 0));
1384         }
1385         units->set_text(unit);
1386         char val[BCTEXTLEN];  val[0] = 0;
1387         if( opt ) opt->get(val, sizeof(val));
1388         text->update(val);
1389
1390         panel->update();
1391 }
1392
1393 void FFOptions_OptPanel::show_tip(const char *tip)
1394 {
1395         if( !tip ) return;
1396         int len = strlen(tip);
1397         if( len > (int)sizeof(tip_text)-1 ) len = sizeof(tip_text)-1;
1398         strncpy(tip_text,tip,len);
1399         tip_text[len] = 0;
1400         int line_limit = 60;
1401         int limit2 = line_limit/2;
1402         int limit4 = line_limit/4-2;
1403         char *cp = tip_text, *dp = cp+len;
1404         int n;  char *bp, *ep, *pp, *sp;
1405         while( cp < dp ) {
1406                 for( ep=cp; ep<dp && *ep!='\n'; ++ep );
1407                 // target about half remaining line, constrain line_limit
1408                 if( (n=(ep-1-cp)/2) < limit2 || n > line_limit )
1409                         n = line_limit;
1410                 // search for last punct, last space before line_limit
1411                 for( bp=cp, pp=sp=0; --n>=0 && cp<ep; ++cp ) {
1412                         if( ispunct(*cp) && isspace(*(cp+1)) ) pp = cp;
1413                         else if( isspace(*cp) ) sp = cp;
1414                 }
1415                 // line not empty
1416                 if( cp < ep ) {
1417                         // first, after punctuation
1418                         if( pp && pp-bp >= limit4 )
1419                                 cp = pp+1;
1420                         // then, on spaces
1421                         else if( sp ) {
1422                                 cp = sp;
1423                         }
1424                         // last, on next space
1425                         else {
1426                                 while( cp<dp && !isspace(*cp) ) ++cp;
1427                         }
1428                         // add new line
1429                         if( !*cp ) break;
1430                         *cp++ = '\n';
1431                 }
1432         }
1433         fwin->panel->set_tooltip(tip_text);
1434         fwin->panel->show_tooltip();
1435 }
1436
1437 int FFOptions_OptPanel::selection_changed()
1438 {
1439         FFOptions_Opt *opt = 0;
1440         BC_ListBoxItem *item = get_selection(0, 0);
1441         if( item ) {
1442                 FFOptions_OptName *opt_name = (FFOptions_OptName *)item;
1443                 opt = opt_name->opt;
1444         }
1445         fwin->update(opt);
1446         if( opt ) show_tip(opt->tip());
1447         return 1;
1448 }
1449
1450
1451 int FFOptions_Opt::types(char *rp)
1452 {
1453         const char *cp = "";
1454         if( opt ) switch (opt->type) {
1455         case AV_OPT_TYPE_FLAGS: cp = N_("<flags>");  break;
1456         case AV_OPT_TYPE_INT: cp = N_("<int>"); break;
1457         case AV_OPT_TYPE_INT64: cp = N_("<int64>"); break;
1458         case AV_OPT_TYPE_DOUBLE: cp = N_("<double>"); break;
1459         case AV_OPT_TYPE_FLOAT: cp = N_("<float>"); break;
1460         case AV_OPT_TYPE_STRING: cp = N_("<string>"); break;
1461         case AV_OPT_TYPE_RATIONAL: cp = N_("<rational>"); break;
1462         case AV_OPT_TYPE_BINARY: cp = N_("<binary>"); break;
1463         case AV_OPT_TYPE_IMAGE_SIZE: cp = N_("<image_size>"); break;
1464         case AV_OPT_TYPE_VIDEO_RATE: cp = N_("<video_rate>"); break;
1465         case AV_OPT_TYPE_PIXEL_FMT: cp = N_("<pix_fmt>"); break;
1466         case AV_OPT_TYPE_SAMPLE_FMT: cp = N_("<sample_fmt>"); break;
1467         case AV_OPT_TYPE_DURATION: cp = N_("<duration>"); break;
1468         case AV_OPT_TYPE_COLOR: cp = N_("<color>"); break;
1469         case AV_OPT_TYPE_CHANNEL_LAYOUT: cp = N_("<channel_layout>");  break;
1470         case AV_OPT_TYPE_BOOL: cp = N_("<bool>");  break;
1471         default: cp = N_("<undef>");  break;
1472         }
1473         return sprintf(rp, "%s", _(cp));
1474 }
1475 int FFOptions_Opt::scalar(double d, char *rp)
1476 {
1477         const char *cp = 0;
1478              if( d == INT_MAX ) cp = "INT_MAX";
1479         else if( d == INT_MIN ) cp = "INT_MIN";
1480         else if( d == UINT32_MAX ) cp = "UINT32_MAX";
1481         else if( d == (double)INT64_MAX ) cp = "I64_MAX";
1482         else if( d == INT64_MIN ) cp = "I64_MIN";
1483         else if( d == FLT_MAX ) cp = "FLT_MAX";
1484         else if( d == FLT_MIN ) cp = "FLT_MIN";
1485         else if( d == -FLT_MAX ) cp = "-FLT_MAX";
1486         else if( d == -FLT_MIN ) cp = "-FLT_MIN";
1487         else if( d == DBL_MAX ) cp = "DBL_MAX";
1488         else if( d == DBL_MIN ) cp = "DBL_MIN";
1489         else if( d == -DBL_MAX ) cp = "-DBL_MAX";
1490         else if( d == -DBL_MIN ) cp = "-DBL_MIN";
1491         else if( d == 0 ) cp = signbit(d) ? "-0" : "0";
1492         else if( isnan(d) ) cp = signbit(d) ? "-NAN" : "NAN";
1493         else if( isinf(d) ) cp = signbit(d) ? "-INF" : "INF";
1494         else return sprintf(rp, "%g", d);
1495         return sprintf(rp, "%s", cp);
1496 }
1497
1498 int FFOptions_Opt::ranges(char *rp)
1499 {
1500         if( !opt ) return 0;
1501         void *obj = (void *)options->obj;
1502         if( !obj ) return 0;
1503
1504         switch (opt->type) {
1505         case AV_OPT_TYPE_INT:
1506         case AV_OPT_TYPE_INT64:
1507         case AV_OPT_TYPE_DOUBLE:
1508         case AV_OPT_TYPE_FLOAT: break;
1509         default: return 0;;
1510         }
1511         AVOptionRanges *r = 0;
1512         char *cp = rp;
1513         if( av_opt_query_ranges(&r, obj, opt->name, AV_OPT_SEARCH_FAKE_OBJ) < 0 ) return 0;
1514         for( int i=0; i<r->nb_ranges; ++i ) {
1515                 cp += sprintf(cp, " (");  cp += scalar(r->range[i]->value_min, cp);
1516                 cp += sprintf(cp, "..");  cp += scalar(r->range[i]->value_max, cp);
1517                 cp += sprintf(cp, ")");
1518         }
1519         av_opt_freep_ranges(&r);
1520         return cp - rp;
1521 }
1522
1523 int FFOptions_Opt::units(ArrayList<const char *> &names)
1524 {
1525         if( !opt || !opt->unit ) return 0;
1526         const void *obj = options->obj;
1527         if( !obj ) return 0;
1528
1529         ArrayList<const AVOption *> opts;
1530         const AVOption *opt = NULL;
1531         while( (opt=av_opt_next(obj, opt)) != 0 ) {
1532                 if( !opt->unit ) continue;
1533                 if( opt->type != AV_OPT_TYPE_CONST ) continue;
1534                 if( strcmp(this->opt->unit, opt->unit) ) continue;
1535                 int i = opts.size();
1536                 while( --i >= 0 ) {
1537                         if( opts[i]->default_val.i64 != opt->default_val.i64 ) continue;
1538                         if( strlen(opts[i]->name) < strlen(opt->name) ) opts[i] = opt;
1539                         break;
1540                 }
1541                 if( i >= 0 ) continue;
1542                 opts.append(opt);
1543         }
1544
1545         for( int i=0; i<opts.size(); ++i )
1546                 names.append(opts[i]->name);
1547
1548         return names.size();
1549 }
1550
1551 int FFOptions_Opt::units(char *rp)
1552 {
1553         ArrayList<const char *> names;
1554         int n = units(names);
1555         if( !n ) return 0;
1556         char *cp = rp;
1557         cp += sprintf(cp, " [%s:", this->opt->unit);
1558         for( int i=0; i<n; ++i )
1559                 cp += sprintf(cp, " %s", names[i]);
1560         cp += sprintf(cp, "]:");
1561         return cp - rp;
1562 }
1563
1564 const char *FFOptions_Opt::unit_name(int id)
1565 {
1566         if( !opt || !opt->unit ) return 0;
1567         const void *obj = options->obj;
1568         if( !obj ) return 0;
1569
1570         const char *ret = 0;
1571         const AVOption *opt = NULL;
1572         while( (opt=av_opt_next(obj, opt)) != 0 ) {
1573                 if( !opt->unit ) continue;
1574                 if( opt->type != AV_OPT_TYPE_CONST ) continue;
1575                 if( strcmp(this->opt->unit, opt->unit) ) continue;
1576                 if( opt->default_val.i64 != id ) continue;
1577                 if( !ret ) { ret = opt->name;  continue; }
1578                 if( strlen(ret) < strlen(opt->name) ) ret = opt->name;
1579         }
1580
1581         return ret;
1582 }
1583
1584 const char *FFOptions_Opt::tip()
1585 {
1586         return !opt ? 0 : opt->help;
1587 }
1588
1589
1590 FFOptionsWindow::FFOptionsWindow(FFOptionsDialog *dialog, int x, int y)
1591  : BC_Window(_(PROGRAM_NAME ": Options"), x, y, xS(640), yS(400))
1592 {
1593         this->dialog = dialog;
1594         this->selected = 0;
1595         this->kind = 0;
1596 }
1597
1598 FFOptionsWindow::~FFOptionsWindow()
1599 {
1600 }
1601
1602 void FFOptionsWindow::create_objects()
1603 {
1604         int xs8 = xS(8), xs10 = xS(10);
1605         int ys10 = yS(10);
1606         lock_window("FFOptionsWindow::create_objects");
1607         BC_Title *title;
1608         const char *format_name = dialog->cfg_window->format_name;
1609         const char *codec_name = dialog->cfg_window->codec_name;
1610         int x0 = xs10, y0 = ys10;
1611         int x = x0, y = y0;
1612         add_subwindow(title = new BC_Title(x, y, _("Format: ")));
1613         x += title->get_w();
1614         add_subwindow(new BC_Title(x, y, format_name));
1615         if( codec_name ) {
1616                 x = x0 + xS(150);
1617                 add_subwindow(title = new BC_Title(x, y, _("Codec: ")));
1618                 x += title->get_w();
1619                 add_subwindow(new BC_Title(x, y, codec_name));
1620         }
1621         x = x0;  y += title->get_h() + ys10;  y0 = y;
1622         add_subwindow(title = new BC_Title(x, y, _("Type: ")));
1623         x += title->get_w() + xs8;
1624         add_subwindow(type = new BC_Title(x, y, (char *)""));
1625         x = x0 + xS(150);
1626         add_subwindow(title = new BC_Title(x, y, _("Range: ")));
1627         x += title->get_w() + xs8;
1628         add_subwindow(range = new BC_Title(x, y, (char *)""));
1629
1630         x = x0;  y += title->get_h() + ys10;
1631         add_subwindow(units = new FFOptionsUnits(this, x, y, xS(120)));
1632         x += units->get_w() + xs8;
1633         int x1 = get_w() - BC_GenericButton::calculate_w(this, _("Apply")) - xs8;
1634         add_subwindow(text = new FFOptionsText(this, x, y, x1-x - xs8));
1635         add_subwindow(apply = new FFOptionsApply(this, x1, y));
1636         y += units->get_h() + ys10;
1637         if( codec_name ) {
1638                 add_subwindow(kind = new FFOptionsKind(this, x1, y0, apply->get_w()));
1639                 kind->create_objects();
1640                 const char *kind_text = _("Kind:");
1641                 x1 -= BC_Title::calculate_w(this, kind_text) + xs8;
1642                 add_subwindow(kind_title = new BC_Title(x1, y0, kind_text));
1643         }
1644         y0 = y;
1645         panel_x = x0;  panel_y = y0;
1646         panel_w = get_w()-xs10 - panel_x;
1647         panel_h = get_h()-ys10 - panel_y - BC_OKButton::calculate_h();
1648         panel = new FFOptions_OptPanel(this, panel_x, panel_y, panel_w, panel_h);
1649         add_subwindow(panel);
1650         add_subwindow(new BC_OKButton(this));
1651         add_subwindow(new BC_CancelButton(this));
1652         panel->create_objects();
1653         int k = codec_name ? FF_KIND_CODEC : FF_KIND_FORMAT;
1654         options.initialize(this, k);
1655         if( kind )
1656                 kind->set(k);
1657         draw();
1658         show_window(1);
1659         unlock_window();
1660 }
1661
1662 void FFOptionsWindow::draw()
1663 {
1664         update(selected);
1665 }
1666
1667 int FFOptionsWindow::resize_event(int w, int h)
1668 {
1669         int xs8 = xS(8), xs10 = xS(10);
1670         int ys10 = yS(10);
1671         if( kind ) {
1672                 int x0 = w - xs8 - kind->get_w();
1673                 int y0 = kind->get_y();
1674                 kind->reposition_window(x0, y0);
1675                 x0 -= kind_title->get_w() + xs8;
1676                 kind_title->reposition_window(x0, y0);
1677         }
1678         int x1 = get_w() - apply->get_w() - xs8;
1679         int y1 = units->get_y();
1680         apply->reposition_window(x1, y1);
1681         int x0 = units->get_x() + units->get_w() + xs8;
1682         int y0 = units->get_y();
1683         text->reposition_window(x0,y0, x1-x0-xs8);
1684         panel_w = get_w()-xs10 - panel_x;
1685         panel_h = get_h()-ys10 - panel_y - BC_OKButton::calculate_h();
1686         panel->reposition_window(panel_x,panel_y, panel_w, panel_h);
1687         return 1;
1688 }
1689
1690 FFOptionsDialog::FFOptionsDialog(FFMPEGConfigWindow *cfg_window)
1691  : BC_DialogThread()
1692 {
1693         this->cfg_window = cfg_window;
1694         options_window = 0;
1695         ff_opts = 0;
1696 }
1697
1698 FFOptionsDialog::~FFOptionsDialog()
1699 {
1700         close_window();
1701         av_dict_free(&ff_opts);
1702 }
1703
1704 void FFOptionsDialog::load_options(const char *bp, int len)
1705 {
1706         av_dict_free(&ff_opts);
1707         char line[BCTEXTLEN];
1708         char key[BCSTRLEN], val[BCTEXTLEN];
1709         const char *dp = bp + len-1;
1710         int no = 0;
1711         while( bp < dp && *bp != 0 ) {
1712                 ++no;
1713                 char *cp = line, *ep = cp+sizeof(line)-1;
1714                 while( *bp && cp<ep && (*cp=*bp++)!='\n' ) ++cp;
1715                 *cp = 0;
1716                 if( line[0] == '#' ) {
1717                         sprintf(key,"#%d", no);
1718                         av_dict_set(&ff_opts, key, line, 0);
1719                         continue;
1720                 }
1721                 if( line[0] == '\n' ) continue;
1722                 if( FFMPEG::scan_option_line(line, key, val) ) continue;
1723                 av_dict_set(&ff_opts, key, val, 0);
1724         }
1725 }
1726
1727 void FFOptionsDialog::store_options(char *cp, int len)
1728 {
1729         char *ep = cp + len-1;
1730         AVDictionaryEntry *elem = 0;
1731         while( (elem=av_dict_get(ff_opts, "", elem, AV_DICT_IGNORE_SUFFIX)) != 0 ) {
1732                 if( elem->key[0] == '#' ) {
1733                         cp += snprintf(cp,ep-cp, "%s\n", elem->value);
1734                         continue;
1735                 }
1736                 cp += snprintf(cp,ep-cp, "%s=%s\n", elem->key, elem->value);
1737         }
1738         *cp = 0;
1739 }
1740
1741
1742 void FFOptionsDialog::start()
1743 {
1744         if( options_window ) {
1745                 options_window->lock_window("FFOptionsDialog::start");
1746                 options_window->raise_window();
1747                 options_window->unlock_window();
1748                 return;
1749         }
1750         cfg_window->get_pop_cursor(wx, wy);
1751         cfg_window->read_options();
1752         BC_DialogThread::start();
1753 }
1754
1755 BC_Window* FFOptionsDialog::new_gui()
1756 {
1757         options_window = new FFOptionsWindow(this, wx, wy);
1758         options_window->create_objects();
1759         return options_window;
1760 }
1761
1762 void FFOptionsDialog::handle_done_event(int result)
1763 {
1764         if( !result ) {
1765                 cfg_window->lock_window("FFMPEGConfigFormat::save_options");
1766                 cfg_window->save_options();
1767                 cfg_window->unlock_window();
1768         }
1769         options_window = 0;
1770 }
1771
1772 FFOptionsAudioDialog::FFOptionsAudioDialog(FFMPEGConfigAudio *aud_config)
1773  : FFOptionsDialog(aud_config)
1774 {
1775         this->aud_config = aud_config;
1776 }
1777
1778 FFOptionsAudioDialog::~FFOptionsAudioDialog()
1779 {
1780         close_window();
1781 }
1782
1783 void FFOptionsAudioDialog::update_options(const char *options)
1784 {
1785         aud_config->lock_window("FFOptionsAudioDialog::update_options");
1786         aud_config->audio_options->update(options);
1787         aud_config->unlock_window();
1788 }
1789
1790 FFOptionsVideoDialog::FFOptionsVideoDialog(FFMPEGConfigVideo *vid_config)
1791  : FFOptionsDialog(vid_config)
1792 {
1793         this->vid_config = vid_config;
1794 }
1795
1796 FFOptionsVideoDialog::~FFOptionsVideoDialog()
1797 {
1798         close_window();
1799 }
1800
1801 void FFOptionsVideoDialog::update_options(const char *options)
1802 {
1803         vid_config->lock_window("FFOptionsVideoDialog::update_options");
1804         vid_config->video_options->update(options);
1805         vid_config->unlock_window();
1806 }
1807
1808 FFOptionsFormatDialog::FFOptionsFormatDialog(FFMPEGConfigFormat *fmt_config)
1809  : FFOptionsDialog(fmt_config)
1810 {
1811         this->fmt_config = fmt_config;
1812 }
1813
1814 FFOptionsFormatDialog::~FFOptionsFormatDialog()
1815 {
1816         close_window();
1817 }
1818
1819 void FFOptionsFormatDialog::update_options(const char *options)
1820 {
1821         fmt_config->lock_window("FFOptionsFormatDialog::update_options");
1822         fmt_config->format_options->update(options);
1823         fmt_config->unlock_window();
1824 }
1825
1826
1827 FFOptionsViewAudio::FFOptionsViewAudio(FFMPEGConfigAudio *aud_config,
1828                 int x, int y, const char *text)
1829  : BC_GenericButton(x, y, text)
1830 {
1831         this->aud_config = aud_config;
1832         avctx = 0;
1833 }
1834
1835 FFOptionsViewAudio::~FFOptionsViewAudio()
1836 {
1837         avcodec_free_context(&avctx);
1838 }
1839
1840 int FFOptionsViewAudio::handle_event()
1841 {
1842         int ret = 0;
1843         Asset *asset = aud_config->asset;
1844         const char *name = asset->acodec;
1845         char audio_format[BCSTRLEN];  audio_format[0] = 0;
1846         char audio_codec[BCSTRLEN];   audio_codec[0] = 0;
1847         AVCodec *codec = !ret &&
1848             !FFMPEG::get_format(audio_format, "audio", name) &&
1849             !FFMPEG::get_codec(audio_codec, "audio", name) ?
1850                 avcodec_find_encoder_by_name(audio_codec) : 0;
1851         if( !ret && !codec ) {
1852                 eprintf(_("no codec named: %s: %s"), name, audio_codec);
1853                 ret = 1;
1854         }
1855         avcodec_free_context(&avctx);
1856         if( !ret && !(avctx = avcodec_alloc_context3(codec)) ) {
1857                 eprintf(_("no codec context: %s: %s"), name, audio_codec);
1858                 ret = 1;
1859         }
1860         if( !ret )
1861                 aud_config->start(avctx);
1862         return 1;
1863 }
1864
1865 FFOptionsViewVideo::FFOptionsViewVideo(FFMPEGConfigVideo *vid_config,
1866                 int x, int y, const char *text)
1867  : BC_GenericButton(x, y, text)
1868 {
1869         this->vid_config = vid_config;
1870         avctx = 0;
1871 }
1872
1873 FFOptionsViewVideo::~FFOptionsViewVideo()
1874 {
1875         avcodec_free_context(&avctx);
1876 }
1877
1878 int FFOptionsViewVideo::handle_event()
1879 {
1880         int ret = 0;
1881         Asset *asset = vid_config->asset;
1882         const char *name = asset->vcodec;
1883         char video_format[BCSTRLEN];  video_format[0] = 0;
1884         char video_codec[BCSTRLEN];   video_codec[0] = 0;
1885         AVCodec *codec = !ret &&
1886             !FFMPEG::get_format(video_format, "video", name) &&
1887             !FFMPEG::get_codec(video_codec, "video", name) ?
1888                 avcodec_find_encoder_by_name(video_codec) : 0;
1889         if( !ret && !codec ) {
1890                 eprintf(_("no codec named: %s: %s"), name, video_codec);
1891                 ret = 1;
1892         }
1893         avcodec_free_context(&avctx);
1894         if( !ret && !(avctx = avcodec_alloc_context3(codec)) ) {
1895                 eprintf(_("no codec context: %s: %s"), name, video_codec);
1896                 ret = 1;
1897         }
1898
1899         if( !ret )
1900                 vid_config->start(avctx);
1901         return 1;
1902 }
1903
1904 FFOptionsViewFormat::FFOptionsViewFormat(FFMPEGConfigWindow *cfg_window,
1905                 EDL *edl, Asset *asset, int x, int y, const char *text)
1906  : BC_GenericButton(x, y, text)
1907 {
1908         this->cfg_window = cfg_window;
1909         this->edl = edl;
1910         this->asset = asset;
1911         format_dialog = 0;
1912 }
1913
1914 FFOptionsViewFormat::~FFOptionsViewFormat()
1915 {
1916         delete format_dialog;
1917 }
1918
1919 int FFOptionsViewFormat::handle_event()
1920 {
1921         delete format_dialog;
1922         int wx, wy;
1923         get_pop_cursor(wx, wy);
1924         format_dialog = new FFOptionsFormatViewDialog(this, wx, wy);
1925         format_dialog->start();
1926         return 1;
1927 }
1928
1929
1930 FFOptionsFormatView::FFOptionsFormatView(FFMPEGConfigFormat *fmt_config,
1931                 int x, int y, const char *text)
1932  : BC_GenericButton(x, y, text)
1933 {
1934         this->fmt_config = fmt_config;
1935         fmt_ctx = 0;
1936 }
1937
1938 FFOptionsFormatView::~FFOptionsFormatView()
1939 {
1940         avformat_free_context(fmt_ctx);
1941 }
1942
1943 int FFOptionsFormatView::handle_event()
1944 {
1945         Asset *asset = fmt_config->asset;
1946         char *format_name = asset->fformat;
1947         char *replace_name0 = "mov";
1948         char *replace_name1 = "mpegts";
1949         char *replace_name2 = "matroska";
1950         if (!strcmp(format_name, "qt"))
1951                 format_name = replace_name0; // fixup
1952         if (!strcmp(format_name, "m2ts"))
1953                 format_name = replace_name1; // fixup
1954         if (!strcmp(format_name, "mkv"))
1955                 format_name = replace_name2; // fixup
1956         avformat_free_context(fmt_ctx);  fmt_ctx = 0;
1957         int ret = avformat_alloc_output_context2(&fmt_ctx, 0, format_name, 0);
1958         if( ret || !fmt_ctx ) {
1959                 eprintf(_("no format named: %s"), format_name);
1960                 ret = 1;
1961         }
1962         if( !ret )
1963                 fmt_config->start(fmt_ctx);
1964         return 1;
1965 }
1966
1967 FFOptionsFormatViewDialog::FFOptionsFormatViewDialog(FFOptionsViewFormat *view_format,
1968                 int wx, int wy)
1969 {
1970         this->view_format = view_format;
1971         this->wx = wx;
1972         this->wy = wy;
1973         cfg_window = 0;
1974 }
1975
1976 FFOptionsFormatViewDialog::~FFOptionsFormatViewDialog()
1977 {
1978         close_window();
1979 }
1980
1981 BC_Window *FFOptionsFormatViewDialog::new_gui()
1982 {
1983         cfg_window = new FFMPEGConfigFormat(this, wx, wy,
1984                 view_format->asset, view_format->edl);
1985         cfg_window->create_objects();
1986         cfg_window->read_options();
1987         return cfg_window;
1988 }
1989
1990 void FFOptionsFormatViewDialog::handle_done_event(int result)
1991 {
1992         if( !result )
1993                 cfg_window->save_changes();
1994         cfg_window = 0;
1995 }
1996