]> git.sesse.net Git - vlc/blob - modules/gui/macosx/wizard.m
* finished the gui and implemented correct encap-format-selection when transcoding...
[vlc] / modules / gui / macosx / wizard.m
1 /*****************************************************************************
2  * wizard.m: MacOS X Streaming Wizard
3  *****************************************************************************
4  * Copyright (C) 2005 the VideoLAN team
5  * $Id$
6  *
7  * Authors: Felix Kühne <fkuehne@users.sf.net> 
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  * 
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
22  *****************************************************************************/
23
24  
25 /*****************************************************************************
26  * Note: this code is partially based upon ../wxwindows/wizard.cpp and 
27  *               ../wxwindows/streamdata.h; both written by Clément Stenac.
28  *****************************************************************************/ 
29
30 /* TODO:
31     - start of the streaming/transcoding
32     - l10n string fixes (both in OSX and WX)
33         - fill the playlist-table on t2
34         - implement l10n on t8?
35         - see FIXME's
36 */
37
38  
39 /*****************************************************************************
40  * Preamble
41  *****************************************************************************/ 
42 #import "wizard.h"
43 #import "intf.h"
44
45
46 /*****************************************************************************
47  * VLCWizard implementation
48  *****************************************************************************/
49
50 @implementation VLCWizard
51
52 static VLCWizard *_o_sharedInstance = nil;
53
54 + (VLCWizard *)sharedInstance
55 {
56     return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
57 }
58
59 - (id)init 
60 {
61     if (_o_sharedInstance) {
62         [self dealloc];
63     } else {
64         _o_sharedInstance = [super init];
65     }
66     
67     return _o_sharedInstance;
68 }
69
70 - (void)awakeFromNib
71 {
72     /* some minor cleanup */
73     [o_t2_tbl_plst setEnabled:NO];
74         [o_wizardhelp_window setExcludedFromWindowsMenu:YES];
75         o_userSelections = [[NSMutableDictionary alloc] init];
76         [o_btn_backward setEnabled:NO];
77
78     /* add audio-bitrates for transcoding */
79     NSArray * audioBitratesArray;
80     audioBitratesArray = [NSArray arrayWithObjects: @"512", @"256", @"192", @"128", @"64", @"32", @"16", nil ];
81     [o_t4_pop_audioBitrate removeAllItems];
82     [o_t4_pop_audioBitrate addItemsWithTitles: audioBitratesArray];
83     [o_t4_pop_audioBitrate selectItemWithTitle: @"192"];
84     
85     /* add video-bitrates for transcoding */
86     NSArray * videoBitratesArray;
87     videoBitratesArray = [NSArray arrayWithObjects: @"3072", @"2048", @"1024", @"768", @"512", @"256", @"192", @"128", @"64", @"32", @"16", nil ];
88     [o_t4_pop_videoBitrate removeAllItems];
89     [o_t4_pop_videoBitrate addItemsWithTitles: videoBitratesArray];
90     [o_t4_pop_videoBitrate selectItemWithTitle: @"1024"];
91     
92         /* fill 2 global arrays with arrays containing all codec-related information
93          * - one array per codec named by its short name to define the encap-compability, 
94          *       cmd-names, real names, more info in the order: realName, shortName, 
95          *       moreInfo, encaps */
96         NSArray * o_mp1v;
97         NSArray * o_mp2v;
98         NSArray * o_mp4v;
99         NSArray * o_div1;
100         NSArray * o_div2;
101         NSArray * o_div3;
102         NSArray * o_h263;
103         NSArray * o_h264;
104         NSArray * o_wmv1;
105         NSArray * o_wmv2;
106         NSArray * o_mjpg;
107         NSArray * o_theo;
108         NSArray * o_dummyVid;
109         o_mp1v = [NSArray arrayWithObjects: @"MPEG-1 Video", @"mp1v", _NS("MPEG-1 Video codec"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_OGG", @"MUX_RAW", @"NO", @"NO", @"NO", @"NO", nil];
110         o_mp2v = [NSArray arrayWithObjects: @"MPEG-2 Video", @"mp2v", _NS("MPEG-2 Video codec"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_OGG", @"MUX_RAW", @"NO", @"NO", @"NO", @"NO", nil];
111         o_mp4v = [NSArray arrayWithObjects: @"MPEG-4 Video", @"mp4v", _NS("MPEG-4 Video codec"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_MP4", @"MUX_OGG", @"MUX_RAW", @"NO", @"NO", nil];
112         o_div1 = [NSArray arrayWithObjects: @"DIVX 1", @"DIV1", _NS("DivX first version"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO", @"NO", @"NO", nil];
113         o_div2 = [NSArray arrayWithObjects: @"DIVX 2", @"DIV2", _NS("DivX second version"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO", @"NO", @"NO", nil];
114         o_div3 = [NSArray arrayWithObjects: @"DIVX 3", @"DIV3", _NS("DivX third version"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO", @"NO", @"NO", nil];
115         o_h263 = [NSArray arrayWithObjects: @"H 263", @"H263", _NS("H263 is a video codec optimized for videoconference (low rates)"), @"MUX_TS", @"MUX_AVI", @"NO", @"NO", @"NO", @"NO", @"NO", @"NO", @"NO", nil];
116         o_h264 = [NSArray arrayWithObjects: @"H 264", @"H264", _NS("H264 is a new video codec"), @"MUX_TS", @"MUX_AVI", @"NO", @"NO", @"NO", @"NO", @"NO", @"NO", @"NO", nil];
117         o_wmv1 = [NSArray arrayWithObjects: @"WMV 1", @"WMV1", _NS("WMV (Windows Media Video) 1"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO", @"NO", @"NO", nil];
118         o_wmv2 = [NSArray arrayWithObjects: @"WMV 2", @"WMV2", _NS("WMV (Windows Media Video) 2"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO", @"NO", @"NO", nil];
119         o_mjpg = [NSArray arrayWithObjects: @"MJPEG", @"MJPG", _NS("MJPEG consists of a series of JPEG pictures"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO", @"NO", @"NO", nil];
120         o_theo = [NSArray arrayWithObjects: @"Theora", @"theo", _NS("Theora is a free general-purpose codec"), @"MUX_TS", @"NO", @"NO", @"NO", @"NO", @"NO", @"NO", @"NO", @"NO", nil];
121         o_dummyVid = [NSArray arrayWithObjects: @"Dummy", @"dummy", _NS("Dummy codec (do not transcode)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_MP4", @"MUX_OGG", @"MUX_WAV", @"MUX_RAW", @"MUX_MOV", nil];
122         o_videoCodecs = [[NSArray alloc] initWithObjects: o_mp1v, o_mp2v, o_mp4v, o_div1, o_div2, o_div3, o_h263, o_h264, o_wmv1, o_wmv2, o_mjpg, o_theo, o_dummyVid, nil];
123         [o_t4_pop_videoCodec removeAllItems];
124         unsigned int x;
125         x = 0;
126         while (x != [o_videoCodecs count])
127         {
128                 [o_t4_pop_videoCodec addItemWithTitle:[[o_videoCodecs objectAtIndex:x] objectAtIndex:0]];
129                 x = (x + 1);
130         }
131         
132         NSArray * o_mpga;
133         NSArray * o_mp3;
134         NSArray * o_mp4a;
135         NSArray * o_a52;
136         NSArray * o_vorb;
137         NSArray * o_flac;
138         NSArray * o_spx;
139         NSArray * o_s16l;
140         NSArray * o_fl32;
141         NSArray * o_dummyAud;
142         o_mpga = [NSArray arrayWithObjects: @"MPEG Audio", @"mpga", _NS("The standard MPEG audio (1/2) format"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"MUX_RAW", @"-1", @"-1", @"-1", nil];
143         o_mp3 = [NSArray arrayWithObjects: @"MP3", @"mp3", _NS("MPEG Audio Layer 3"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"MUX_RAW", @"-1", @"-1", @"-1", nil];
144         o_mp4a = [NSArray arrayWithObjects: @"MPEG 4 Audio", @"mp4a", _NS("Audio format for MPEG4"), @"MUX_TS", @"MUX_MP4", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
145         o_a52 = [NSArray arrayWithObjects: @"A/52", @"a52", _NS("DVD audio format"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"MUX_RAW", @"-1", @"-1", @"-1", nil];
146         o_vorb = [NSArray arrayWithObjects: @"Vorbis", @"vorb", _NS("Vorbis is a free audio codec"), @"MUX_OGG", @"-1",  @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
147         o_flac = [NSArray arrayWithObjects: @"FLAC", @"flac", _NS("FLAC is a lossless audio codec"), @"MUX_OGG", @"MUX_RAW", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
148         o_spx = [NSArray arrayWithObjects: @"Speex", @"spx", _NS("A free audio codec dedicated to compression of voice"), @"MUX_OGG", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
149         o_s16l = [NSArray arrayWithObjects: @"Uncompressed, integer", @"s16l", _NS("Uncompressed audio samples"), @"MUX_WAV", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
150         o_fl32 = [NSArray arrayWithObjects: @"Uncompressed, floating", @"fl32", _NS("Uncompressed audio samples"), @"MUX_WAV", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
151         o_dummyAud = [NSArray arrayWithObjects: @"Dummy", @"dummy", _NS("Dummy codec (do not transcode)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_MP4", @"MUX_OGG", @"MUX_RAW", @"MUX_MOV", @"MUX_WAV", nil];
152         o_audioCodecs = [[NSArray alloc] initWithObjects: o_mpga, o_mp3, o_mp4a, o_a52, o_vorb, o_flac, o_spx, o_s16l, o_fl32, o_dummyAud, nil];
153         [o_t4_pop_audioCodec removeAllItems];
154         x = 0;
155         while (x != [o_audioCodecs count])
156         {
157                 [o_t4_pop_audioCodec addItemWithTitle:[[o_audioCodecs objectAtIndex:x] objectAtIndex:0]];
158                 x = (x + 1);
159         }
160 }
161
162 - (void)showWizard
163 {
164     /* just present the window to the user */
165     [o_tab_pageHolder selectFirstTabViewItem:self];
166     
167         [self resetWizard];
168         
169     [o_wizard_window center];
170     [o_wizard_window displayIfNeeded];
171     [o_wizard_window makeKeyAndOrderFront:nil];
172 }
173
174 - (void)resetWizard
175 {
176         /* reset the wizard-window to its default values */
177         
178         [o_userSelections removeAllObjects];
179         [o_t1_matrix_strmgOrTrnscd selectCellAtRow:0 column:0];
180         [[o_t1_matrix_strmgOrTrnscd cellAtRow:1 column:0] setState: NSOffState];
181         [o_btn_forward setTitle: [_NS("Next") stringByAppendingString:@" >"]];
182         
183         /* "Input" */
184         [o_t2_fld_pathToNewStrm setStringValue: @""];
185         [o_t2_ckb_enblPartExtrct setState: NSOffState];
186         [self t2_enableExtract:nil];
187         [o_t2_matrix_inputSourceType selectCellAtRow:0 column:0];
188         [[o_t2_matrix_inputSourceType cellAtRow:1 column:0] setState: NSOffState];
189         /* FIXME: we need to refresh the playlist-table as well */
190         [o_t2_tbl_plst setEnabled:NO];
191         [o_t2_fld_pathToNewStrm setEnabled:YES];
192         [o_t2_btn_chooseFile setEnabled:YES];
193         
194         /* "Streaming 1" */
195         [o_t3_fld_address setStringValue: @""];
196         [o_t3_matrix_stmgMhd selectCellAtRow:0 column:0];
197         [[o_t3_matrix_stmgMhd cellAtRow:1 column:1] setState: NSOffState];
198         [[o_t3_matrix_stmgMhd cellAtRow:1 column:2] setState: NSOffState];
199         
200         /* "Transcode 1" */
201         [o_t4_ckb_audio setState: NSOffState];
202         [o_t4_ckb_video setState: NSOffState];
203         [self t4_enblVidTrnscd:nil];
204         [self t4_enblAudTrnscd:nil];
205         
206         /* "Streaming 2" */
207         [o_t6_fld_ttl setStringValue: @"1"];
208         [o_t6_ckb_sap setState: NSOffState];
209         [self t6_enblSapAnnce:nil];
210         
211         /* "Transcode 2" */
212         [o_t7_fld_filePath setStringValue: @""];
213 }
214
215 - (void)initStrings
216 {
217     /* localise all strings to the users lang */
218     /* method is called from intf.m (in method openWizard) */
219     
220     /* general items */
221     [o_btn_backward setTitle: [@"< " stringByAppendingString: _NS("Back")]];
222     [o_btn_cancel setTitle: _NS("Cancel")];
223     [o_btn_forward setTitle: [_NS("Next") stringByAppendingString:@" >"]];
224     [o_wizard_window setTitle: _NS("Streaming/Transcoding Wizard")];
225     
226     /* page one ("Hello") */
227     [o_t1_txt_title setStringValue: _NS("Streaming/Transcoding Wizard")];
228     [o_t1_txt_text setStringValue: _NS("This wizard helps you to stream, transcode or save a stream")];
229     [o_t1_btn_mrInfo_strmg setTitle: _NS("More Info")];
230     [o_t1_btn_mrInfo_trnscd setTitle: _NS("More Info")];
231     [o_t1_txt_notice setStringValue: _NS("This wizard only gives access to a small subset of VLC's streaming and transcoding capabilities. Use the Open and Stream Output dialogs to get all of them")];
232         [[o_t1_matrix_strmgOrTrnscd cellAtRow:0 column:0] setTitle: _NS("Stream to network")];
233     [[o_t1_matrix_strmgOrTrnscd cellAtRow:1 column:0] setTitle: _NS("Transcode/Save to file")];
234     
235     /* page two ("Input") */
236     [o_t2_title setStringValue: _NS("Choose input")];
237     [o_t2_text setStringValue: _NS("Choose here your input stream")];
238     [[o_t2_matrix_inputSourceType cellAtRow:0 column:0] setTitle: _NS("Select a stream")];
239     [[o_t2_matrix_inputSourceType cellAtRow:1 column:0] setTitle: _NS("Existing playlist item")];
240     [o_t2_btn_chooseFile setTitle: _NS("Choose...")];
241     [[[o_t2_tbl_plst tableColumnWithIdentifier:@"name"] headerCell] setStringValue: _NS("Name")];
242     [[[o_t2_tbl_plst tableColumnWithIdentifier:@"uri"] headerCell] setStringValue: _NS("URI")];
243     [o_t2_box_prtExtrct setTitle: _NS("Partial Extract")];
244     [o_t2_ckb_enblPartExtrct setTitle: _NS("Enable")];
245     [o_t2_txt_prtExtrctFrom setStringValue: _NS("From")];
246     [o_t2_txt_prtExtrctTo setStringValue: _NS("To")];
247     
248     /* page three ("Streaming 1") */
249     [o_t3_txt_title setStringValue: _NS("Streaming")];
250     [o_t3_txt_text setStringValue: _NS("In this page, you will select how your input stream will be sent.")];
251     [o_t3_box_dest setTitle: _NS("Destination")];
252     [o_t3_box_strmgMthd setTitle: _NS("Streaming method")];
253     [o_t3_txt_destInfo setStringValue: _NS("Enter the address of the computer to stream to")];
254     [[o_t3_matrix_stmgMhd cellAtRow:1 column:0] setTitle: _NS("UDP Unicast")];
255     [[o_t3_matrix_stmgMhd cellAtRow:1 column:1] setTitle: _NS("UDP Multicast")];
256     
257     /* page four ("Transcode 1") */
258     [o_t4_title setStringValue: _NS("Transcode")];
259     [o_t4_text setStringValue: _NS("If you want to change the compression format of the audio or video tracks, fill in this page. (If you only want to change the container format, proceed to next page).")];
260     [o_t4_box_audio setTitle: _NS("Audio")];
261     [o_t4_box_video setTitle: _NS("Video")];
262     [o_t4_ckb_audio setTitle: _NS("Transcode audio")];
263     [o_t4_ckb_video setTitle: _NS("Transcode video")];
264     [o_t4_txt_videoBitrate setStringValue: _NS("Bitrate (kb/s)")];
265     [o_t4_txt_videoCodec setStringValue: _NS("Codec")];
266     [o_t4_txt_hintAudio setStringValue: _NS("If your stream has audio and you want to " \
267                          "transcode it, enable this")];
268     [o_t4_txt_hintVideo setStringValue: _NS("If your stream has video and you want to " \
269                          "transcode it, enable this")];
270     
271     /* page five ("Encap") */
272     [o_t5_title setStringValue: _NS("Encapsulation format")];
273     [o_t5_text setStringValue: _NS("In this page, you will select how the stream will be "\
274                      "encapsulated. Depending on the choices you made, all "\
275                      "formats won't be available.")];
276     
277     /* page six ("Streaming 2") */
278     [o_t6_title setStringValue: _NS("Additional streaming options")];
279     [o_t6_text setStringValue: _NS("In this page, you will define a few " \
280                               "additional parameters for your stream.")];
281     [o_t6_txt_ttl setStringValue: _NS("Time-To-Live (TTL)")];
282     [o_t6_btn_mrInfo_ttl setTitle: _NS("More Info")];
283     [o_t6_ckb_sap setTitle: _NS("SAP Announce")];
284     [o_t6_btn_mrInfo_sap setTitle: _NS("More Info")];
285      
286     /* page seven ("Transcode 2") */
287     [o_t7_title setStringValue: _NS("Additional transcode options")];
288     [o_t7_text setStringValue: _NS("In this page, you will define a few " \
289                               "additionnal parameters for your transcoding.")];
290     [o_t7_txt_saveFileTo setStringValue: _NS("Select the file to save to")];
291     [o_t7_btn_chooseFile setTitle: _NS("Choose...")];
292         
293         /* page eight ("Summary") */
294         /* FIXME: currently not implemented as it unsure whether we show this tab
295          * to the public or use it for debugging only */
296         
297         /* wizard help window */
298         [o_wh_btn_okay setTitle: _NS("OK")];
299 }
300
301 - (IBAction)cancelRun:(id)sender
302 {
303     [o_wizard_window close];
304 }
305
306 - (IBAction)nextTab:(id)sender
307 {
308         if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Hello"])
309         {
310                 /* check whether the user wants to stream or just to transcode;
311                  * store information for later usage */
312                 NSString *o_mode;
313                 o_mode = [[o_t1_matrix_strmgOrTrnscd selectedCell] title];
314                 if( [o_mode isEqualToString: _NS("Stream to network")] )
315                 {
316                         [o_userSelections setObject:@"strmg" forKey:@"trnscdOrStrmg"];
317                 }else{
318                         [o_userSelections setObject:@"trnscd" forKey:@"trnscdOrStrmg"];
319                 }
320                 [o_btn_backward setEnabled:YES];
321                 [o_tab_pageHolder selectTabViewItemAtIndex:1];
322         }
323         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Input"])
324         {
325                 /* check whether partialExtract is enabled and store the values, if needed */
326                 if ([o_t2_ckb_enblPartExtrct state] == NSOnState)
327                 {
328                         [o_userSelections setObject:@"YES" forKey:@"partExtract"];
329                         [o_userSelections setObject:[o_t2_fld_prtExtrctFrom stringValue] forKey:@"partExtractFrom"];
330                         [o_userSelections setObject:[o_t2_fld_prtExtrctTo stringValue] forKey:@"partExtractTo"];
331                 }else{
332                         [o_userSelections setObject:@"NO" forKey:@"partExtract"];
333                 }
334                 
335                 /* check whether we use an existing pl-item or add an new one;
336                  * store the path or the index and set a flag.
337                  * complain to the user if s/he didn't provide a path */
338                 NSString *o_mode;
339                 o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
340                 if( [o_mode isEqualToString: _NS("Select a stream")] )
341                 {
342                         [o_userSelections setObject:@"YES" forKey:@"newStrm"];
343                         if ([[o_t2_fld_pathToNewStrm stringValue] isEqualToString: @""])
344                         {
345                                 /* FIXME: we should complain to the user that s/he didn't provide a path */
346                         }else{
347                                 [o_userSelections setObject:[o_t2_fld_pathToNewStrm stringValue] forKey:@"pathToNewStrm"];
348                         }
349                 }else{
350                         [o_userSelections setObject:@"NO" forKey:@"newStrm"];
351                         NSNumber * myNumber = [[NSNumber alloc] initWithInt:[o_t2_tbl_plst selectedRow]];
352                         [o_userSelections setObject:myNumber forKey:@"plItemIndex"];
353                 }
354                 
355                 /* show either "Streaming 1" or "Transcode 1" to the user */
356                 if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
357                 {
358                         /* we are streaming */
359                         [o_tab_pageHolder selectTabViewItemAtIndex:2];
360                 }else{
361                         /* we are just transcoding */
362                         [o_tab_pageHolder selectTabViewItemAtIndex:3];
363                 }
364         }
365         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Streaming 1"])
366         {
367                 /* check which streaming method is selected and store it */
368                 NSString *o_mode;
369                 o_mode = [[o_t3_matrix_stmgMhd selectedCell] title];
370                 if( [o_mode isEqualToString: _NS("HTTP")] )
371                 {
372                         [o_userSelections setObject:@"HTTP" forKey:@"stmgMhd"];
373                         /* enable MPEG PS, MPEG TS, MPEG 1, OGG, RAW and ASF; select MPEG PS */
374                         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
375                         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
376                         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
377                         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
378                         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
379                         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
380                         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
381                         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
382                         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
383                         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
384                         [o_t5_matrix_encap selectCellAtRow:0 column:0];
385                 } else {
386                         if( [o_mode isEqualToString: _NS("UDP Unicast")] )
387                         {
388                                 [o_userSelections setObject:@"UDP-Unicast" forKey:@"stmgMhd"];
389                         } else {
390                                 [o_userSelections setObject:@"UDP-Multicast" forKey:@"stmgMhd"];
391                         }
392                         /* disable all encap-formats but MPEG-TS and select it */
393                         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
394                         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
395                         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
396                         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
397                         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
398                         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
399                         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
400                         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
401                         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
402                         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
403                         [o_t5_matrix_encap selectCellAtRow:1 column:0];
404                 }
405                 
406                 /* store the destination and check whether is it empty */
407                 if( [[o_t3_fld_address stringValue] isEqualToString: @""] )
408                 {       /* FIXME: complain to the user that "" is no valid dest. */
409                 } else {
410                         [o_userSelections setObject:[o_t3_fld_address stringValue] forKey:@"stmgDest"];
411                 }
412                 
413                 /* let's go to the encap-tab */
414                 [o_tab_pageHolder selectTabViewItemAtIndex:4];
415         }
416         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Transcode 1"])
417         {
418                 /* check whether the user wants to transcode the video-track and store the related options */
419                 if ([o_t4_ckb_video state] == NSOnState)
420                 {
421                         NSNumber * theNum;
422                         theNum = [NSNumber numberWithInt:[o_t4_pop_videoCodec indexOfSelectedItem]];
423                         [o_userSelections setObject:@"YES" forKey:@"trnscdVideo"];
424                         [o_userSelections setObject:[o_t4_pop_videoBitrate titleOfSelectedItem] forKey:@"trnscdVideoBitrate"];
425                         [o_userSelections setObject:theNum forKey:@"trnscdVideoCodec"];
426                 } else {
427                         [o_userSelections setObject:@"NO" forKey:@"trnscdVideo"];
428                 }
429                 
430                 /* check whether the user wants to transcode the audio-track and store the related options */
431                 if ([o_t4_ckb_audio state] == NSOnState)
432                 {
433                         NSNumber * theNum;
434                         theNum = [NSNumber numberWithInt:[o_t4_pop_audioCodec indexOfSelectedItem]];
435                         [o_userSelections setObject:@"YES" forKey:@"trnscdAudio"];
436                         [o_userSelections setObject:[o_t4_pop_audioBitrate titleOfSelectedItem] forKey:@"trnscdAudioBitrate"];
437                         [o_userSelections setObject:theNum forKey:@"trnscdAudioCodec"];
438                 } else {
439                         [o_userSelections setObject:@"NO" forKey:@"trnscdAudio"];
440                 }
441                 
442                 /* disable all encap-formats */
443                 [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
444                 [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:NO];
445                 [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
446                 [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
447                 [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
448                 [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
449                 [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
450                 [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
451                 [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
452                 [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
453                 
454                 /* re-enable the encap-formats supported by the chosen codecs */
455                 /* FIXME: the following is a really bad coding-style. feel free to write 
456                         me ideas how to make this nicer, if you want to -- FK, 7/11/05 */
457                 
458                 if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualTo: @"YES"])
459                 {
460                         if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
461                         {
462                                 /* we are transcoding both audio and video, so we need to check both deps */
463                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
464                                 {
465                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_PS"])
466                                         {
467                                                 [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
468                                                 [o_t5_matrix_encap selectCellAtRow:0 column:0];
469                                         }
470                                 }
471                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
472                                 {
473                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
474                                         {
475                                                 [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
476                                                 [o_t5_matrix_encap selectCellAtRow:1 column:0];
477                                         }
478                                 }
479                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
480                                 {
481                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
482                                         {
483                                                 [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
484                                                 [o_t5_matrix_encap selectCellAtRow:2 column:0];
485                                         }
486                                 }
487                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
488                                 {
489                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
490                                         {
491                                                 [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
492                                                 [o_t5_matrix_encap selectCellAtRow:3 column:0];
493                                         }
494                                 }
495                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
496                                 {
497                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
498                                         {
499                                                 [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
500                                                 [o_t5_matrix_encap selectCellAtRow:4 column:0];
501                                         }
502                                 }
503                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
504                                 {
505                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
506                                         {
507                                                 [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
508                                                 [o_t5_matrix_encap selectCellAtRow:5 column:0];
509                                         }
510                                 }
511                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
512                                 {
513                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
514                                         {
515                                                 [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
516                                                 [o_t5_matrix_encap selectCellAtRow:6 column:0];
517                                         }
518                                 }
519                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
520                                 {
521                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
522                                         {
523                                                 [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
524                                                 [o_t5_matrix_encap selectCellAtRow:7 column:0];
525                                         }
526                                 }
527                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
528                                 {
529                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
530                                         {
531                                                 [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
532                                                 [o_t5_matrix_encap selectCellAtRow:8 column:0];
533                                         }
534                                 }
535                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
536                                 {
537                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
538                                         {
539                                                 [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
540                                                 [o_t5_matrix_encap selectCellAtRow:9 column:0];
541                                         }
542                                 }
543                                 
544                         } else {
545                                 
546                                 /* we just transcoding the audio */
547                                 
548                                 /* select formats supported by the audio codec */
549                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_PS"])
550                                 {
551                                         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
552                                         [o_t5_matrix_encap selectCellAtRow:0 column:0];
553                                 }
554                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
555                                 {
556                                         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
557                                         [o_t5_matrix_encap selectCellAtRow:1 column:0];
558                                 }
559                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
560                                 {
561                                         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
562                                         [o_t5_matrix_encap selectCellAtRow:2 column:0];
563                                 }
564                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
565                                 {
566                                         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
567                                         [o_t5_matrix_encap selectCellAtRow:3 column:0];
568                                 }
569                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
570                                 {
571                                         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
572                                         [o_t5_matrix_encap selectCellAtRow:4 column:0];
573                                 }
574                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
575                                 {
576                                         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
577                                         [o_t5_matrix_encap selectCellAtRow:5 column:0];
578                                 }
579                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
580                                 {
581                                         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
582                                         [o_t5_matrix_encap selectCellAtRow:6 column:0];
583                                 }
584                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
585                                 {
586                                         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
587                                         [o_t5_matrix_encap selectCellAtRow:7 column:0];
588                                 }
589                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
590                                 {
591                                         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
592                                         [o_t5_matrix_encap selectCellAtRow:8 column:0];
593                                 }
594                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
595                                 {
596                                         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
597                                         [o_t5_matrix_encap selectCellAtRow:9 column:0];
598                                 }
599                         }
600                 }
601                 else if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
602                 {
603                         /* we are just transcoding the video */
604                         
605                         /* select formats supported by the video-codec */ 
606                 
607                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
608                         {
609                                 [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
610                                 [o_t5_matrix_encap selectCellAtRow:0 column:0];
611                         }
612                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
613                         {
614                                 [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
615                                 [o_t5_matrix_encap selectCellAtRow:1 column:0];
616                         }
617                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
618                         {
619                                 [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
620                                 [o_t5_matrix_encap selectCellAtRow:2 column:0];
621                         }
622                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
623                         {
624                                 [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
625                                 [o_t5_matrix_encap selectCellAtRow:3 column:0];
626                         }
627                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
628                         {
629                                 [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
630                                 [o_t5_matrix_encap selectCellAtRow:4 column:0];
631                         }
632                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
633                         {
634                                 [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
635                                 [o_t5_matrix_encap selectCellAtRow:5 column:0];
636                         }
637                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
638                         {
639                                 [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
640                                 [o_t5_matrix_encap selectCellAtRow:6 column:0];
641                         }
642                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
643                         {
644                                 [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
645                                 [o_t5_matrix_encap selectCellAtRow:7 column:0];
646                         }
647                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
648                         {
649                                 [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
650                                 [o_t5_matrix_encap selectCellAtRow:8 column:0];
651                         }
652                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
653                         {
654                                 [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
655                                 [o_t5_matrix_encap selectCellAtRow:9 column:0];
656                         }
657                 } else {
658                         /* we don't do any transcoding 
659                          * -> enabled the encap-formats allowed when streaming content via http
660                          * since this should work fine in most cases */
661                         /* FIXME: choose a selection of encap-formats based upon the actually used codecs */
662                                                 
663                         /* enable MPEG PS, MPEG TS, MPEG 1, OGG, RAW and ASF; select MPEG PS */
664                         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
665                         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
666                         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
667                         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
668                         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
669                         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
670                         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
671                         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
672                         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
673                         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
674                         [o_t5_matrix_encap selectCellAtRow:0 column:0];
675                 }
676                 int x;
677                 BOOL anythingEnabled;
678                 x = 0;
679                 anythingEnabled = NO;
680                 while (x != [o_t5_matrix_encap numberOfRows])
681                 {
682                         if ([[o_t5_matrix_encap cellAtRow:x column:0] isEnabled])
683                         {       
684                                 anythingEnabled = YES;
685                         }       
686                         x = (x + 1);
687                 }
688                 if (anythingEnabled == YES)
689                 {
690                 [o_tab_pageHolder selectTabViewItemAtIndex:4];
691                 } else {
692                     /* show a sheet that the selected codecs are not compatible */
693                         [o_wh_txt_title setStringValue: _NS("Invalid selection")];
694                         [o_wh_txt_text setStringValue: _NS("Your chosen codecs are " \
695                                 "not compatible with each other. For example: you cannot " \
696                                 "mix uncompressed audio with any video codec.\n\n" \
697                                 "Correct your selection and try again.")];
698                         [NSApp beginSheet: o_wizardhelp_window
699                                 modalForWindow: o_wizard_window
700                                 modalDelegate: o_wizardhelp_window
701                                 didEndSelector: nil
702                                 contextInfo: nil];
703                 }
704                 
705         }
706         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Encap"])
707         {
708                 /* get the chosen encap format and store it */
709                 [o_userSelections setObject:[[o_t5_matrix_encap selectedCell] title] forKey:@"encapFormat"];
710                 
711                 /* show either "Streaming 2" or "Transcode 2" to the user */
712                 if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
713                 {
714                         /* we are streaming */
715                         [o_tab_pageHolder selectTabViewItemAtIndex:5];
716                 }else{
717                         /* we are just transcoding */
718                         [o_tab_pageHolder selectTabViewItemAtIndex:6];
719                 }
720         }
721         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Streaming 2"])
722         {
723                 /* store the chosen TTL */
724                 [o_userSelections setObject:[o_t6_fld_ttl stringValue] forKey:@"ttl"];
725                 
726                 /* check whether SAP is enabled and store the announce, if needed */
727                 if ([o_t6_ckb_sap state] == NSOnState)
728                 {
729                         [o_userSelections setObject:@"YES" forKey:@"sap"];
730                         [o_userSelections setObject:[o_t6_fld_sap stringValue] forKey:@"sapText"];
731                 } else {
732                         [o_userSelections setObject:@"NO" forKey:@"sap"];
733                 }
734                 
735                 /* go to "Summary" */
736                 [self showSummary];
737         }
738         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Transcode 2"])
739         {
740                 /* check whether the path != "" and store it */
741                 if( [[o_t7_fld_filePath stringValue] isEqualToString: @""] )
742                 {       /* FIXME: complain to the user that "" is no valid path */
743                 } else {
744                         [o_userSelections setObject:[o_t7_fld_filePath stringValue] forKey:@"trnscdFilePath"];
745                 }
746                 
747                 /* go to "Summary" */
748                 [self showSummary];
749         }
750 }
751
752 - (void)showSummary
753 {
754         [o_btn_forward setTitle: _NS("Finish")];
755         if ([[o_userSelections objectForKey:@"newStrm"] isEqualToString: @"YES"])
756         {
757                 [o_t8_fld_inptStream setStringValue:[o_userSelections objectForKey:@"pathToNewStrm"]];
758         } else {
759                 [o_t8_fld_inptStream setStringValue:[[o_userSelections objectForKey:@"plItemIndex"] stringValue]];
760         }
761         if ([[o_userSelections objectForKey:@"partExtract"] isEqualToString: @"YES"])
762         {
763                 [o_t8_fld_partExtract setStringValue: [[[[[_NS("yes") stringByAppendingString:@" - "] stringByAppendingString: _NS("from ")] stringByAppendingString: [o_userSelections objectForKey:@"partExtractFrom"]] stringByAppendingString: _NS(" to ")] stringByAppendingString: [o_userSelections objectForKey:@"partExtractTo"]]];
764         } else {
765                 [o_t8_fld_partExtract setStringValue: _NS("no")];
766         }
767         
768         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
769         {
770                 /* we are streaming; no transcoding allowed atm */
771                 [o_t8_fld_saveFileTo setStringValue: @"-"];
772                 [o_t8_fld_trnscdAudio setStringValue: @"-"];
773                 [o_t8_fld_trnscdVideo setStringValue: @"-"];
774                 [o_t8_fld_strmgMthd setStringValue: [o_userSelections objectForKey:@"stmgMhd"]];
775                 [o_t8_fld_destination setStringValue: [o_userSelections objectForKey:@"stmgDest"]];
776                 [o_t8_fld_ttl setStringValue: [o_userSelections objectForKey:@"ttl"]];
777                 if ([[o_userSelections objectForKey:@"sap"] isEqualToString: @"YES"])
778                 {
779                         [o_t8_fld_sap setStringValue: [[_NS("yes") stringByAppendingString:@": "] stringByAppendingString:[o_userSelections objectForKey:@"sapText"]]];
780                 }else{
781                         [o_t8_fld_sap setStringValue: _NS("no")];
782                 }
783         } else {
784                 /* we are transcoding */
785                 [o_t8_fld_strmgMthd setStringValue: @"-"];
786                 [o_t8_fld_destination setStringValue: @"-"];
787                 [o_t8_fld_ttl setStringValue: @"-"];
788                 [o_t8_fld_sap setStringValue: @"-"];
789                 if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
790                 {
791                         [o_t8_fld_trnscdVideo setStringValue: [[[[[_NS("yes") stringByAppendingString:@": "] stringByAppendingString: [[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] objectAtIndex:0]] stringByAppendingString:@" @ "] stringByAppendingString: [o_userSelections objectForKey:@"trnscdVideoBitrate"]] stringByAppendingString:@" kb/s"]];
792                 }else{
793                         [o_t8_fld_trnscdVideo setStringValue: _NS("no")];
794                 }
795                 if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
796                 {
797                         [o_t8_fld_trnscdAudio setStringValue: [[[[[_NS("yes") stringByAppendingString:@": "] stringByAppendingString: [[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] objectAtIndex:0]] stringByAppendingString:@" @ "] stringByAppendingString: [o_userSelections objectForKey:@"trnscdAudioBitrate"]] stringByAppendingString:@" kb/s"]];
798                 }else{
799                         [o_t8_fld_trnscdAudio setStringValue: _NS("no")];
800                 }
801                 [o_t8_fld_saveFileTo setStringValue: [o_userSelections objectForKey:@"trnscdFilePath"]];
802         }
803         [o_t8_fld_encapFormat setStringValue: [o_userSelections objectForKey:@"encapFormat"]];
804         [o_tab_pageHolder selectTabViewItemAtIndex:7];
805 }
806
807 - (IBAction)prevTab:(id)sender
808 {
809     if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Summary"])
810         {       
811                 /* check whether we are streaming or transcoding and go back */
812                 if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
813                 {
814                         /* show "Streaming 2" */
815                         [o_tab_pageHolder selectTabViewItemAtIndex:5];
816                 }else{
817                         /* show "Transcode 2" */
818                         [o_tab_pageHolder selectTabViewItemAtIndex:6];
819                 }
820                 /* rename the forward-button */
821                 [o_btn_forward setTitle: [_NS("Next") stringByAppendingString:@" >"]];
822         }
823         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Transcode 2"])
824         {
825                 /* show "Encap" */
826                 [o_tab_pageHolder selectTabViewItemAtIndex:4];
827         }
828         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Streaming 2"])
829         {
830                 /* show "Encap" */
831                 [o_tab_pageHolder selectTabViewItemAtIndex:4];
832         }
833         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Encap"])
834         {
835                 /* check whether we are streaming or transcoding and go back */
836                 if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
837                 {
838                         /* show "Streaming 1" */
839                         [o_tab_pageHolder selectTabViewItemAtIndex:2];
840                 }else{
841                         /* show "Transcode 2" */
842                         [o_tab_pageHolder selectTabViewItemAtIndex:3];
843                 }
844         }
845         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Streaming 1"])
846         {
847                 /* show "Input" */
848                 [o_tab_pageHolder selectTabViewItemAtIndex:1];
849         }
850         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Transcode 1"])
851         {
852                 /* show "Input" */
853                 [o_tab_pageHolder selectTabViewItemAtIndex:1];
854         }
855         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Input"])
856         {
857                 /* show "Hello" */
858                 [o_tab_pageHolder selectTabViewItemAtIndex:0];
859                 /* disable backwards-btn */
860                 [o_btn_backward setEnabled:NO];
861         }
862 }
863
864 - (IBAction)t1_mrInfo_streaming:(id)sender
865 {
866     /* show a sheet for the help */
867         /* since NSAlert does not exist on OSX < 10.3, we use our own implementation */
868         [o_wh_txt_title setStringValue: _NS("Stream to network")];
869         [o_wh_txt_text setStringValue: _NS("Use this to stream on a network.")];
870         [NSApp beginSheet: o_wizardhelp_window
871             modalForWindow: o_wizard_window
872             modalDelegate: o_wizardhelp_window
873             didEndSelector: nil
874             contextInfo: nil];
875 }
876
877 - (IBAction)t1_mrInfo_transcode:(id)sender
878 {
879     /* show a sheet for the help */
880         [o_wh_txt_title setStringValue: _NS("Transcode/Save to file")];
881         [o_wh_txt_text setStringValue: _NS("Use this to save a stream to a file. You "\
882                 "have the possibility to reencode the stream. You can save whatever "\
883                 "VLC can read.\nPlease notice that VLC is not very suited " \
884                 "for file to file transcoding. You should use its transcoding " \
885         "features to save network streams, for example.")];
886         [NSApp beginSheet: o_wizardhelp_window
887             modalForWindow: o_wizard_window
888             modalDelegate: o_wizardhelp_window
889             didEndSelector: nil
890             contextInfo: nil];
891 }
892
893 - (IBAction)t2_addNewStream:(id)sender
894 {
895     NSOpenPanel * openPanel = [NSOpenPanel openPanel];
896     SEL sel = @selector(t2_getNewStreamFromDialog:returnCode:contextInfo:);
897     [openPanel beginSheetForDirectory:nil file:nil types:nil modalForWindow:o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
898 }
899
900 - (void)t2_getNewStreamFromDialog: (NSOpenPanel *)sheet returnCode: (int)returnCode contextInfo: (void *)contextInfo
901 {
902     if (returnCode == NSOKButton)
903     {
904         [o_t2_fld_pathToNewStrm setStringValue:[sheet filename]];
905         /* FIXME: store path in a global variable */
906     }
907 }
908
909 - (IBAction)t2_chooseStreamOrPlst:(id)sender
910 {
911     /* enable and disable the respective items depending on user's choice */
912     NSString *o_mode;
913     o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
914         
915         if( [o_mode isEqualToString: _NS("Select a stream")] )
916     {
917                 [o_t2_btn_chooseFile setEnabled:YES];
918                 [o_t2_fld_pathToNewStrm setEnabled:YES];
919                 [o_t2_tbl_plst setEnabled:NO];
920         } else {
921                 [o_t2_btn_chooseFile setEnabled:NO];
922                 [o_t2_fld_pathToNewStrm setEnabled:NO];
923                 [o_t2_tbl_plst setEnabled:YES];
924         }
925 }
926
927 - (IBAction)t2_enableExtract:(id)sender
928 {
929     /* enable/disable the respective items */
930     if([o_t2_ckb_enblPartExtrct state] == NSOnState)
931     {
932         [o_t2_fld_prtExtrctFrom setEnabled:YES];
933         [o_t2_fld_prtExtrctTo setEnabled:YES];
934     } else {
935         [o_t2_fld_prtExtrctFrom setEnabled:NO];
936         [o_t2_fld_prtExtrctTo setEnabled:NO];
937                 [o_t2_fld_prtExtrctFrom setStringValue:@""];
938                 [o_t2_fld_prtExtrctTo setStringValue:@""];
939     }
940 }
941
942 - (IBAction)t3_addressEntered:(id)sender
943 {
944     /* check whether the entered address is valid */
945 }
946
947 - (IBAction)t4_AudCdcChanged:(id)sender
948 {
949     /* update codec info */
950         [o_t4_txt_hintAudio setStringValue:[[o_audioCodecs objectAtIndex:[o_t4_pop_audioCodec indexOfSelectedItem]] objectAtIndex:2]];
951 }
952
953 - (IBAction)t4_enblAudTrnscd:(id)sender
954 {
955     /* enable/disable the respective items */
956     if([o_t4_ckb_audio state] == NSOnState)
957     {
958         [o_t4_pop_audioCodec setEnabled:YES];
959         [o_t4_pop_audioBitrate setEnabled:YES];
960                 [o_t4_txt_hintAudio setStringValue: _NS("Select your audio codec. "\
961                 "Click one to get more information.")];
962     } else {
963         [o_t4_pop_audioCodec setEnabled:NO];
964         [o_t4_pop_audioBitrate setEnabled:NO];
965                 [o_t4_txt_hintAudio setStringValue: _NS("If your stream has audio " \
966                 "and you want to transcode it, enable this.")];
967     }
968 }
969
970 - (IBAction)t4_enblVidTrnscd:(id)sender
971 {
972     /* enable/disable the respective items */
973     if([o_t4_ckb_video state] == NSOnState)
974     {
975         [o_t4_pop_videoCodec setEnabled:YES];
976         [o_t4_pop_videoBitrate setEnabled:YES];
977                 [o_t4_txt_hintVideo setStringValue: _NS("Select your video codec. "\
978                 "Click one to get more information.")];
979     } else {
980         [o_t4_pop_videoCodec setEnabled:NO];
981         [o_t4_pop_videoBitrate setEnabled:NO];
982                 [o_t4_txt_hintVideo setStringValue: _NS("If your stream has video " \
983                 "and you want to transcode it, enable this.")];
984     }
985 }
986
987 - (IBAction)t4_VidCdcChanged:(id)sender
988 {
989     /* update codec info */
990         [o_t4_txt_hintVideo setStringValue:[[o_videoCodecs objectAtIndex:[o_t4_pop_videoCodec indexOfSelectedItem]] objectAtIndex:2]];
991 }
992
993 - (IBAction)t6_enblSapAnnce:(id)sender
994 {
995     /* enable/disable input fld */
996     if([o_t6_ckb_sap state] == NSOnState)
997     {
998         [o_t6_fld_sap setEnabled:YES];
999     } else {
1000         [o_t6_fld_sap setEnabled:NO];
1001         [o_t6_fld_sap setStringValue:@""];
1002     }
1003 }
1004
1005 - (IBAction)t6_mrInfo_ttl:(id)sender
1006 {
1007     /* show a sheet for the help */
1008         [o_wh_txt_title setStringValue: _NS("Time-To-Live (TTL)")];
1009         [o_wh_txt_text setStringValue: _NS("Define the TTL (Time-To-Live) of the stream. "\
1010                         "This parameter is the maximum number of routers your stream can go "
1011                         "through. If you don't know what it means, or if you want to stream on " \
1012                         "your local network only, leave this setting to 1.")];
1013         [NSApp beginSheet: o_wizardhelp_window
1014             modalForWindow: o_wizard_window
1015             modalDelegate: o_wizardhelp_window
1016             didEndSelector: nil
1017             contextInfo: nil];
1018 }
1019
1020 - (IBAction)t6_mrInfo_sap:(id)sender
1021 {
1022     /* show a sheet for the help */
1023         [o_wh_txt_title setStringValue: _NS("SAP Announce")];
1024         [o_wh_txt_text setStringValue: _NS("When streaming using UDP, you can " \
1025                 "announce your streams using the SAP/SDP announcing protocol. This " \
1026                 "way, the clients won't have to type in the multicast address, it " \
1027                 "will appear in their playlist if they enable the SAP extra interface.\n" \
1028                 "If you want to give a name to your stream, enter it here, " \
1029                 "else, a default name will be used.")];
1030         [NSApp beginSheet: o_wizardhelp_window
1031             modalForWindow: o_wizard_window
1032             modalDelegate: o_wizardhelp_window
1033             didEndSelector: nil
1034             contextInfo: nil];
1035 }
1036
1037 - (IBAction)t7_selectTrnscdDestFile:(id)sender
1038 {
1039     /* provide a save-to-dialogue, so the user can choose a location for his/her new file */
1040     NSSavePanel * savePanel = [NSSavePanel savePanel];
1041     SEL sel = @selector(t7_getTrnscdDestFile:returnCode:contextInfo:);
1042     [savePanel beginSheetForDirectory:nil file:nil modalForWindow:o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1043     /* FIXME: insert a suffix in file depending on the chosen encap-format instead of providing file:nil */
1044 }
1045
1046 - (void)t7_getTrnscdDestFile: (NSSavePanel *)sheet returnCode: (int)returnCode contextInfo: (void *)contextInfo
1047 {
1048     if (returnCode == NSOKButton)
1049     {
1050         [o_t7_fld_filePath setStringValue:[sheet filename]];
1051         /* FIXME: add a suffix depending on the chosen encap-format, if needed */
1052     }
1053 }
1054
1055 - (IBAction)wh_closeSheet:(id)sender
1056 {
1057         /* close the help sheet */
1058         [NSApp endSheet:o_wizardhelp_window];
1059         [o_wizardhelp_window close];
1060 }
1061
1062 - (void)dealloc
1063 {
1064         [o_userSelections release];
1065         [o_videoCodecs release];
1066         [o_audioCodecs release];
1067         [super dealloc];
1068 }
1069
1070 @end