]> git.sesse.net Git - vlc/blob - modules/gui/macosx/wizard.m
* various fixes and additions -- the wizard is usable now
[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         - l10n string fixes (both in OSX and WX)
32         - fill the playlist-table on t2
33         - implement l10n on t8
34         - see FIXME's
35 */
36
37  
38 /*****************************************************************************
39  * Preamble
40  *****************************************************************************/
41 #import "wizard.h"
42 #import "intf.h"
43
44 /*****************************************************************************
45  * VLCWizard implementation
46  *****************************************************************************/
47
48 @implementation VLCWizard
49
50 static VLCWizard *_o_sharedInstance = nil;
51
52 + (VLCWizard *)sharedInstance
53 {
54     return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
55 }
56
57 - (id)init 
58 {
59     if (_o_sharedInstance) {
60         [self dealloc];
61     } else {
62         _o_sharedInstance = [super init];
63     }
64     
65     return _o_sharedInstance;
66 }
67
68 - (void)dealloc
69 {
70         [o_userSelections release];
71         [o_videoCodecs release];
72         [o_audioCodecs release];
73         [o_encapFormats release];
74         [super dealloc];
75 }
76
77 - (void)awakeFromNib
78 {
79     /* some minor cleanup */
80     [o_t2_tbl_plst setEnabled:NO];
81         [o_wizardhelp_window setExcludedFromWindowsMenu:YES];
82         o_userSelections = [[NSMutableDictionary alloc] init];
83         [o_btn_backward setEnabled:NO];
84
85     /* add audio-bitrates for transcoding */
86     NSArray * audioBitratesArray;
87     audioBitratesArray = [NSArray arrayWithObjects: @"512", @"256", @"192", @"128", @"64", @"32", @"16", nil ];
88     [o_t4_pop_audioBitrate removeAllItems];
89     [o_t4_pop_audioBitrate addItemsWithTitles: audioBitratesArray];
90     [o_t4_pop_audioBitrate selectItemWithTitle: @"192"];
91     
92     /* add video-bitrates for transcoding */
93     NSArray * videoBitratesArray;
94     videoBitratesArray = [NSArray arrayWithObjects: @"3072", @"2048", @"1024", @"768", @"512", @"256", @"192", @"128", @"64", @"32", @"16", nil ];
95     [o_t4_pop_videoBitrate removeAllItems];
96     [o_t4_pop_videoBitrate addItemsWithTitles: videoBitratesArray];
97     [o_t4_pop_videoBitrate selectItemWithTitle: @"1024"];
98     
99         /* fill 2 global arrays with arrays containing all codec-related information
100          * - one array per codec named by its short name to define the encap-compability, 
101          *       cmd-names, real names, more info in the order: realName, shortName, 
102          *       moreInfo, encaps */
103         NSArray * o_mp1v;
104         NSArray * o_mp2v;
105         NSArray * o_mp4v;
106         NSArray * o_div1;
107         NSArray * o_div2;
108         NSArray * o_div3;
109         NSArray * o_h263;
110         NSArray * o_h264;
111         NSArray * o_wmv1;
112         NSArray * o_wmv2;
113         NSArray * o_mjpg;
114         NSArray * o_theo;
115         NSArray * o_dummyVid;
116         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];
117         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];
118         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];
119         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];
120         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];
121         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];
122         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];
123         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];
124         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];
125         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];
126         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];
127         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];
128         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];
129         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];
130         [o_t4_pop_videoCodec removeAllItems];
131         unsigned int x;
132         x = 0;
133         while (x != [o_videoCodecs count])
134         {
135                 [o_t4_pop_videoCodec addItemWithTitle:[[o_videoCodecs objectAtIndex:x] objectAtIndex:0]];
136                 x = (x + 1);
137         }
138         
139         NSArray * o_mpga;
140         NSArray * o_mp3;
141         NSArray * o_mp4a;
142         NSArray * o_a52;
143         NSArray * o_vorb;
144         NSArray * o_flac;
145         NSArray * o_spx;
146         NSArray * o_s16l;
147         NSArray * o_fl32;
148         NSArray * o_dummyAud;
149         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];
150         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];
151         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];
152         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];
153         o_vorb = [NSArray arrayWithObjects: @"Vorbis", @"vorb", _NS("Vorbis is a free audio codec"), @"MUX_OGG", @"-1",  @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
154         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];
155         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];
156         o_s16l = [NSArray arrayWithObjects: @"Uncompressed, integer", @"s16l", _NS("Uncompressed audio samples"), @"MUX_WAV", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
157         o_fl32 = [NSArray arrayWithObjects: @"Uncompressed, floating", @"fl32", _NS("Uncompressed audio samples"), @"MUX_WAV", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
158         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];
159         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];
160         [o_t4_pop_audioCodec removeAllItems];
161         x = 0;
162         while (x != [o_audioCodecs count])
163         {
164                 [o_t4_pop_audioCodec addItemWithTitle:[[o_audioCodecs objectAtIndex:x] objectAtIndex:0]];
165                 x = (x + 1);
166         }
167         
168         
169         /* fill another global array with all information about the encap-formats 
170          * note that the order of the formats inside the g. array is the same as on
171          * the encap-tab */
172         NSArray * o_ps;
173         NSArray * o_ts;
174         NSArray * o_mpeg;
175         NSArray * o_ogg;
176         NSArray * o_raw;
177         NSArray * o_asf;
178         NSArray * o_avi;
179         NSArray * o_mp4;
180         NSArray * o_mov;
181         NSArray * o_wav;
182         o_ps = [NSArray arrayWithObjects: @"ps", @"MPEG PS", _NS("MPEG Program Stream"), nil];
183         o_ts = [NSArray arrayWithObjects: @"ts", @"MPEG TS", _NS("MPEG Transport Stream"), nil];
184         o_mpeg = [NSArray arrayWithObjects: @"ps", @"MPEG 1", _NS("MPEG 1 Format"), nil];
185         o_ogg = [NSArray arrayWithObjects: @"ogg", @"OGG", @"OGG", nil];
186         o_raw = [NSArray arrayWithObjects: @"raw", @"RAW", @"RAW", nil];
187         o_asf = [NSArray arrayWithObjects: @"asf", @"ASF", @"ASF", nil];
188         o_avi = [NSArray arrayWithObjects: @"avi", @"AVI", @"AVI", nil];
189         o_mp4 = [NSArray arrayWithObjects: @"mp4", @"MP4", @"MPEG4", nil];
190         o_mov = [NSArray arrayWithObjects: @"mov", @"MOV", @"MOV", nil];
191         o_wav = [NSArray arrayWithObjects: @"wav", @"WAV", @"WAV", nil];
192         o_encapFormats = [[NSArray alloc] initWithObjects: o_ps, o_ts, o_mpeg, o_ogg, o_raw, o_asf, o_avi, o_mp4, o_mov, o_wav, nil];
193         
194         /* yet another array on streaming methods including help texts */
195         NSArray * o_http;
196         NSArray * o_udp_uni;
197         NSArray * o_udp_multi;
198         o_http = [NSArray arrayWithObjects: @"http", @"HTTP", _NS("Enter the local " \
199                 "addresses you want to listen to. Do not enter anything if you want to " \
200                 "listen to all adresses or if you don't understand. This is generally " \
201                 "the best thing to do. Other computers can then access the stream at " \
202                 "http://yourip:8080 by default") , _NS("Use this to stream to several " \
203                 "computers. This method is less efficient, as the server needs to send " \
204                 "several times the stream."), nil];
205         o_udp_multi = [NSArray arrayWithObjects: @"udp", @"UDP-Multicast", _NS("Enter " \
206                 "the multicast address to stream to in this field. This must be an IP " \
207                 "address between 224.0.0.0 and 239.255.255.255. For a private use, " \
208                 "enter an address beginning with 239.255."), _NS("Use this to stream " \
209                 "to a dynamic group of computers on a multicast-enabled network. This " \
210                 "is the most efficient method to stream to several computers, but it " \
211                 "does not work over Internet."), nil];
212         o_udp_uni = [NSArray arrayWithObjects: @"udp", @"UDP-Unicast", _NS("Enter " \
213                 "the address of the computer to stream to"), _NS("Use this to stream " \
214                 "to a single computer"), nil];
215         o_strmgMthds = [[NSArray alloc] initWithObjects: o_http, o_udp_multi, o_udp_uni, nil];
216 }
217
218 - (void)showWizard
219 {
220     /* just present the window to the user */
221     [o_tab_pageHolder selectFirstTabViewItem:self];
222     
223         [self resetWizard];
224         
225     [o_wizard_window center];
226     [o_wizard_window displayIfNeeded];
227     [o_wizard_window makeKeyAndOrderFront:nil];
228 }
229
230 - (void)resetWizard
231 {
232         /* reset the wizard-window to its default values */
233         
234         [o_userSelections removeAllObjects];
235         [o_t1_matrix_strmgOrTrnscd selectCellAtRow:0 column:0];
236         [[o_t1_matrix_strmgOrTrnscd cellAtRow:1 column:0] setState: NSOffState];
237         [o_btn_forward setTitle: [_NS("Next") stringByAppendingString:@" >"]];
238         
239         /* "Input" */
240         [o_t2_fld_pathToStrm setStringValue: @""];
241         [o_t2_ckb_enblPartExtrct setState: NSOffState];
242         [self t2_enableExtract:nil];
243         [o_t2_matrix_inputSourceType selectCellAtRow:0 column:0];
244         [[o_t2_matrix_inputSourceType cellAtRow:1 column:0] setState: NSOffState];
245         /* FIXME: we need to refresh the playlist-table as well */
246         [o_t2_tbl_plst setEnabled:NO];
247         [o_t2_fld_pathToStrm setEnabled:YES];
248         [o_t2_btn_chooseFile setEnabled:YES];
249         
250         /* "Streaming 1" */
251         [o_t3_fld_address setStringValue: @""];
252         [o_t3_matrix_stmgMhd selectCellAtRow:0 column:0];
253         [[o_t3_matrix_stmgMhd cellAtRow:1 column:1] setState: NSOffState];
254         [[o_t3_matrix_stmgMhd cellAtRow:1 column:2] setState: NSOffState];
255         
256         /* "Transcode 1" */
257         [o_t4_ckb_audio setState: NSOffState];
258         [o_t4_ckb_video setState: NSOffState];
259         [self t4_enblVidTrnscd:nil];
260         [self t4_enblAudTrnscd:nil];
261         
262         /* "Streaming 2" */
263         [o_t6_fld_ttl setStringValue: @"1"];
264         [o_t6_ckb_sap setState: NSOffState];
265         [self t6_enblSapAnnce:nil];
266         
267         /* "Transcode 2" */
268         [o_t7_fld_filePath setStringValue: @""];
269 }
270
271 - (void)initStrings
272 {
273     /* localise all strings to the users lang */
274     /* method is called from intf.m (in method openWizard) */
275     
276     /* general items */
277     [o_btn_backward setTitle: _NS("Back")];
278     [o_btn_cancel setTitle: _NS("Cancel")];
279     [o_btn_forward setTitle: _NS("Next")];
280     [o_wizard_window setTitle: _NS("Streaming/Transcoding Wizard")];
281     
282     /* page one ("Hello") */
283     [o_t1_txt_title setStringValue: _NS("Streaming/Transcoding Wizard")];
284     [o_t1_txt_text setStringValue: _NS("This wizard helps you to stream, transcode or save a stream")];
285     [o_t1_btn_mrInfo_strmg setTitle: _NS("More Info")];
286     [o_t1_btn_mrInfo_trnscd setTitle: _NS("More Info")];
287     [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")];
288         [[o_t1_matrix_strmgOrTrnscd cellAtRow:0 column:0] setTitle: _NS("Stream to network")];
289     [[o_t1_matrix_strmgOrTrnscd cellAtRow:1 column:0] setTitle: _NS("Transcode/Save to file")];
290     
291     /* page two ("Input") */
292     [o_t2_title setStringValue: _NS("Choose input")];
293     [o_t2_text setStringValue: _NS("Choose here your input stream")];
294     [[o_t2_matrix_inputSourceType cellAtRow:0 column:0] setTitle: _NS("Select a stream")];
295     [[o_t2_matrix_inputSourceType cellAtRow:1 column:0] setTitle: _NS("Existing playlist item")];
296     [o_t2_btn_chooseFile setTitle: _NS("Choose...")];
297     [[[o_t2_tbl_plst tableColumnWithIdentifier:@"name"] headerCell] setStringValue: _NS("Name")];
298     [[[o_t2_tbl_plst tableColumnWithIdentifier:@"uri"] headerCell] setStringValue: _NS("URI")];
299     [o_t2_box_prtExtrct setTitle: _NS("Partial Extract")];
300     [o_t2_ckb_enblPartExtrct setTitle: _NS("Enable")];
301     [o_t2_txt_prtExtrctFrom setStringValue: _NS("From")];
302     [o_t2_txt_prtExtrctTo setStringValue: _NS("To")];
303     
304     /* page three ("Streaming 1") */
305     [o_t3_txt_title setStringValue: _NS("Streaming")];
306     [o_t3_txt_text setStringValue: _NS("In this page, you will select how your input stream will be sent.")];
307     [o_t3_box_dest setTitle: _NS("Destination")];
308     [o_t3_box_strmgMthd setTitle: _NS("Streaming method")];
309     [o_t3_txt_destInfo setStringValue: _NS("Enter the address of the computer to stream to")];
310     [[o_t3_matrix_stmgMhd cellAtRow:1 column:0] setTitle: _NS("UDP Unicast")];
311     [[o_t3_matrix_stmgMhd cellAtRow:1 column:1] setTitle: _NS("UDP Multicast")];
312         [o_t3_txt_strgMthdInfo setStringValue: _NS("Use this to stream to a single computer")];
313     
314     /* page four ("Transcode 1") */
315     [o_t4_title setStringValue: _NS("Transcode")];
316     [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).")];
317     [o_t4_box_audio setTitle: _NS("Audio")];
318     [o_t4_box_video setTitle: _NS("Video")];
319     [o_t4_ckb_audio setTitle: _NS("Transcode audio")];
320     [o_t4_ckb_video setTitle: _NS("Transcode video")];
321     [o_t4_txt_videoBitrate setStringValue: _NS("Bitrate (kb/s)")];
322     [o_t4_txt_videoCodec setStringValue: _NS("Codec")];
323     [o_t4_txt_hintAudio setStringValue: _NS("If your stream has audio and you want to " \
324                          "transcode it, enable this")];
325     [o_t4_txt_hintVideo setStringValue: _NS("If your stream has video and you want to " \
326                          "transcode it, enable this")];
327     
328     /* page five ("Encap") */
329     [o_t5_title setStringValue: _NS("Encapsulation format")];
330     [o_t5_text setStringValue: _NS("In this page, you will select how the stream will be "\
331                      "encapsulated. Depending on the choices you made, all "\
332                      "formats won't be available.")];
333     
334     /* page six ("Streaming 2") */
335     [o_t6_title setStringValue: _NS("Additional streaming options")];
336     [o_t6_text setStringValue: _NS("In this page, you will define a few " \
337                               "additional parameters for your stream.")];
338     [o_t6_txt_ttl setStringValue: _NS("Time-To-Live (TTL)")];
339     [o_t6_btn_mrInfo_ttl setTitle: _NS("More Info")];
340     [o_t6_ckb_sap setTitle: _NS("SAP Announce")];
341     [o_t6_btn_mrInfo_sap setTitle: _NS("More Info")];
342      
343     /* page seven ("Transcode 2") */
344     [o_t7_title setStringValue: _NS("Additional transcode options")];
345     [o_t7_text setStringValue: _NS("In this page, you will define a few " \
346                               "additionnal parameters for your transcoding.")];
347     [o_t7_txt_saveFileTo setStringValue: _NS("Select the file to save to")];
348     [o_t7_btn_chooseFile setTitle: _NS("Choose...")];
349         
350         /* page eight ("Summary") */
351         /* FIXME: currently not implemented as it unsure whether we show this tab
352          * to the public or use it for debugging only */
353         
354         /* wizard help window */
355         [o_wh_btn_okay setTitle: _NS("OK")];
356 }
357
358 - (IBAction)cancelRun:(id)sender
359 {
360     [o_wizard_window close];
361 }
362
363 - (IBAction)nextTab:(id)sender
364 {
365         if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Hello"])
366         {
367                 /* check whether the user wants to stream or just to transcode;
368                  * store information for later usage */
369                 NSString *o_mode;
370                 o_mode = [[o_t1_matrix_strmgOrTrnscd selectedCell] title];
371                 if( [o_mode isEqualToString: _NS("Stream to network")] )
372                 {
373                         [o_userSelections setObject:@"strmg" forKey:@"trnscdOrStrmg"];
374                 }else{
375                         [o_userSelections setObject:@"trnscd" forKey:@"trnscdOrStrmg"];
376                 }
377                 [o_btn_backward setEnabled:YES];
378                 [o_tab_pageHolder selectTabViewItemAtIndex:1];
379         }
380         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Input"])
381         {
382                 /* check whether partialExtract is enabled and store the values, if needed */
383                 if ([o_t2_ckb_enblPartExtrct state] == NSOnState)
384                 {
385                         [o_userSelections setObject:@"YES" forKey:@"partExtract"];
386                         [o_userSelections setObject:[o_t2_fld_prtExtrctFrom stringValue] forKey:@"partExtractFrom"];
387                         [o_userSelections setObject:[o_t2_fld_prtExtrctTo stringValue] forKey:@"partExtractTo"];
388                 }else{
389                         [o_userSelections setObject:@"NO" forKey:@"partExtract"];
390                 }
391                 
392                 /* check whether we use an existing pl-item or add an new one;
393                  * store the path or the index and set a flag.
394                  * complain to the user if s/he didn't provide a path */
395                 NSString *o_mode;
396                 BOOL stop;
397                 stop = NO;
398                 o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
399                 if( [o_mode isEqualToString: _NS("Select a stream")] )
400                 {
401                         [o_userSelections setObject:@"YES" forKey:@"newStrm"];
402                         if ([[o_t2_fld_pathToStrm stringValue] isEqualToString: @""])
403                         {
404                 /* set a flag that no file is selected */
405                                 stop = YES;
406                         }else{
407                                 [o_userSelections setObject:[o_t2_fld_pathToStrm stringValue] forKey:@"pathToStrm"];
408                         }
409                 }else{
410                         if ([o_t2_tbl_plst selectedRow] != -1)
411                         {
412                                 /* FIXME: put the path of the selected pl-item to pathToStrm */
413             } else {
414                 /* set a flag that no item is selected */
415                 stop = YES;
416                         }
417                 }
418                 
419                 /* show either "Streaming 1" or "Transcode 1" to the user */
420                 if (stop == NO)
421                 {
422             if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
423             {
424                 /* we are streaming */
425                 [o_tab_pageHolder selectTabViewItemAtIndex:2];
426             }else{
427                 /* we are just transcoding */
428                 [o_tab_pageHolder selectTabViewItemAtIndex:3];
429             }
430         } else {
431             /* show a sheet that the user didn't select a file */
432                         [o_wh_txt_title setStringValue: _NS("No input selected")];
433                         [o_wh_txt_text setStringValue: _NS("You selected neither " \
434                                 "a new stream nor an existing playlist item. VLC is unable to " \
435                                 "guess, which input you want use. \n\n Choose one " \
436                                 "before going to the next page.")];
437                         [NSApp beginSheet: o_wizardhelp_window
438                                 modalForWindow: o_wizard_window
439                                 modalDelegate: o_wizardhelp_window
440                                 didEndSelector: nil
441                                 contextInfo: nil];
442         }
443         }
444         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Streaming 1"])
445         {
446                 /* check which streaming method is selected and store it */
447                 NSString *o_mode;
448                 o_mode = [[o_t3_matrix_stmgMhd selectedCell] title];
449                 if( [o_mode isEqualToString: @"HTTP"] )
450                 {
451                         [o_userSelections setObject:@"0" forKey:@"stmgMhd"];
452                         /* enable MPEG PS, MPEG TS, MPEG 1, OGG, RAW and ASF; select MPEG PS */
453                         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
454                         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
455                         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
456                         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
457                         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
458                         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
459                         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
460                         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
461                         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
462                         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
463                         [o_t5_matrix_encap selectCellAtRow:0 column:0];
464                 } else {
465                         if( [o_mode isEqualToString: _NS("UDP Unicast")] )
466                         {
467                                 [o_userSelections setObject:@"2" forKey:@"stmgMhd"];
468                         } else {
469                                 [o_userSelections setObject:@"1" forKey:@"stmgMhd"];
470                         }
471                         /* disable all encap-formats but MPEG-TS and select it */
472                         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
473                         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
474                         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
475                         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
476                         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
477                         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
478                         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
479                         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
480                         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
481                         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
482                         [o_t5_matrix_encap selectCellAtRow:1 column:0];
483                 }
484                 
485                 /* store the destination and check whether is it empty */
486                 if(! [o_mode isEqualToString: @"HTTP"] )
487                 {       
488                         /* empty field is valid for HTTP */
489                         
490                         if( [[o_t3_fld_address stringValue] isEqualToString: @""] )
491                         {       
492                         
493                                 /* complain to the user that "" is no valid dest. */
494                                 [o_wh_txt_title setStringValue: _NS("No valid destination")];
495                                 [o_wh_txt_text setStringValue: _NS("You need to enter " \
496                                 "a valid destination you want to stream to. Enter either a " \
497                                 "Unicast-IP or a Multicast-IP.\n\n If you don't know "
498                                 "what this means, have a look at the VLC Streaming HOWTO and " \
499                                 "the help texts in this window." )];
500                                 [NSApp beginSheet: o_wizardhelp_window
501                                         modalForWindow: o_wizard_window
502                                         modalDelegate: o_wizardhelp_window
503                                         didEndSelector: nil
504                                         contextInfo: nil];
505                         } else {
506                                 /* FIXME: stupid code duplication, should be solved by a GoTo-like-thing -- FK */
507                                 [o_userSelections setObject:[o_t3_fld_address stringValue] forKey:@"stmgDest"];
508                                 /* let's go to the encap-tab */
509                                 [o_tab_pageHolder selectTabViewItemAtIndex:4];
510                         }
511                 } else {
512                         [o_userSelections setObject:[o_t3_fld_address stringValue] forKey:@"stmgDest"];
513                         /* let's go to the encap-tab */
514                         [o_tab_pageHolder selectTabViewItemAtIndex:4];
515                 }
516         }
517         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Transcode 1"])
518         {
519                 /* check whether the user wants to transcode the video-track and store the related options */
520                 if ([o_t4_ckb_video state] == NSOnState)
521                 {
522                         NSNumber * theNum;
523                         theNum = [NSNumber numberWithInt:[o_t4_pop_videoCodec indexOfSelectedItem]];
524                         [o_userSelections setObject:@"YES" forKey:@"trnscdVideo"];
525                         [o_userSelections setObject:[o_t4_pop_videoBitrate titleOfSelectedItem] forKey:@"trnscdVideoBitrate"];
526                         [o_userSelections setObject:theNum forKey:@"trnscdVideoCodec"];
527                 } else {
528                         [o_userSelections setObject:@"NO" forKey:@"trnscdVideo"];
529                 }
530                 
531                 /* check whether the user wants to transcode the audio-track and store the related options */
532                 if ([o_t4_ckb_audio state] == NSOnState)
533                 {
534                         NSNumber * theNum;
535                         theNum = [NSNumber numberWithInt:[o_t4_pop_audioCodec indexOfSelectedItem]];
536                         [o_userSelections setObject:@"YES" forKey:@"trnscdAudio"];
537                         [o_userSelections setObject:[o_t4_pop_audioBitrate titleOfSelectedItem] forKey:@"trnscdAudioBitrate"];
538                         [o_userSelections setObject:theNum forKey:@"trnscdAudioCodec"];
539                 } else {
540                         [o_userSelections setObject:@"NO" forKey:@"trnscdAudio"];
541                 }
542                 
543                 /* disable all encap-formats */
544                 [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
545                 [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:NO];
546                 [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
547                 [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
548                 [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
549                 [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
550                 [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
551                 [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
552                 [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
553                 [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
554                 
555                 /* re-enable the encap-formats supported by the chosen codecs */
556                 /* FIXME: the following is a really bad coding-style. feel free to mail 
557                         me ideas how to make this nicer, if you want to -- FK, 7/11/05 */
558                 
559                 if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualTo: @"YES"])
560                 {
561                         if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
562                         {
563                                 /* we are transcoding both audio and video, so we need to check both deps */
564                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
565                                 {
566                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_PS"])
567                                         {
568                                                 [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
569                                                 [o_t5_matrix_encap selectCellAtRow:0 column:0];
570                                         }
571                                 }
572                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
573                                 {
574                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
575                                         {
576                                                 [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
577                                                 [o_t5_matrix_encap selectCellAtRow:1 column:0];
578                                         }
579                                 }
580                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
581                                 {
582                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
583                                         {
584                                                 [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
585                                                 [o_t5_matrix_encap selectCellAtRow:2 column:0];
586                                         }
587                                 }
588                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
589                                 {
590                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
591                                         {
592                                                 [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
593                                                 [o_t5_matrix_encap selectCellAtRow:3 column:0];
594                                         }
595                                 }
596                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
597                                 {
598                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
599                                         {
600                                                 [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
601                                                 [o_t5_matrix_encap selectCellAtRow:4 column:0];
602                                         }
603                                 }
604                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
605                                 {
606                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
607                                         {
608                                                 [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
609                                                 [o_t5_matrix_encap selectCellAtRow:5 column:0];
610                                         }
611                                 }
612                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
613                                 {
614                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
615                                         {
616                                                 [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
617                                                 [o_t5_matrix_encap selectCellAtRow:6 column:0];
618                                         }
619                                 }
620                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
621                                 {
622                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
623                                         {
624                                                 [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
625                                                 [o_t5_matrix_encap selectCellAtRow:7 column:0];
626                                         }
627                                 }
628                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
629                                 {
630                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
631                                         {
632                                                 [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
633                                                 [o_t5_matrix_encap selectCellAtRow:8 column:0];
634                                         }
635                                 }
636                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
637                                 {
638                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
639                                         {
640                                                 [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
641                                                 [o_t5_matrix_encap selectCellAtRow:9 column:0];
642                                         }
643                                 }
644                                 
645                         } else {
646                                 
647                                 /* we just transcoding the audio */
648                                 
649                                 /* select formats supported by the audio codec */
650                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_PS"])
651                                 {
652                                         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
653                                         [o_t5_matrix_encap selectCellAtRow:0 column:0];
654                                 }
655                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
656                                 {
657                                         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
658                                         [o_t5_matrix_encap selectCellAtRow:1 column:0];
659                                 }
660                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
661                                 {
662                                         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
663                                         [o_t5_matrix_encap selectCellAtRow:2 column:0];
664                                 }
665                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
666                                 {
667                                         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
668                                         [o_t5_matrix_encap selectCellAtRow:3 column:0];
669                                 }
670                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
671                                 {
672                                         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
673                                         [o_t5_matrix_encap selectCellAtRow:4 column:0];
674                                 }
675                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
676                                 {
677                                         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
678                                         [o_t5_matrix_encap selectCellAtRow:5 column:0];
679                                 }
680                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
681                                 {
682                                         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
683                                         [o_t5_matrix_encap selectCellAtRow:6 column:0];
684                                 }
685                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
686                                 {
687                                         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
688                                         [o_t5_matrix_encap selectCellAtRow:7 column:0];
689                                 }
690                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
691                                 {
692                                         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
693                                         [o_t5_matrix_encap selectCellAtRow:8 column:0];
694                                 }
695                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
696                                 {
697                                         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
698                                         [o_t5_matrix_encap selectCellAtRow:9 column:0];
699                                 }
700                         }
701                 }
702                 else if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
703                 {
704                         /* we are just transcoding the video */
705                         
706                         /* select formats supported by the video-codec */ 
707                 
708                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
709                         {
710                                 [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
711                                 [o_t5_matrix_encap selectCellAtRow:0 column:0];
712                         }
713                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
714                         {
715                                 [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
716                                 [o_t5_matrix_encap selectCellAtRow:1 column:0];
717                         }
718                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
719                         {
720                                 [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
721                                 [o_t5_matrix_encap selectCellAtRow:2 column:0];
722                         }
723                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
724                         {
725                                 [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
726                                 [o_t5_matrix_encap selectCellAtRow:3 column:0];
727                         }
728                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
729                         {
730                                 [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
731                                 [o_t5_matrix_encap selectCellAtRow:4 column:0];
732                         }
733                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
734                         {
735                                 [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
736                                 [o_t5_matrix_encap selectCellAtRow:5 column:0];
737                         }
738                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
739                         {
740                                 [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
741                                 [o_t5_matrix_encap selectCellAtRow:6 column:0];
742                         }
743                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
744                         {
745                                 [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
746                                 [o_t5_matrix_encap selectCellAtRow:7 column:0];
747                         }
748                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
749                         {
750                                 [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
751                                 [o_t5_matrix_encap selectCellAtRow:8 column:0];
752                         }
753                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
754                         {
755                                 [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
756                                 [o_t5_matrix_encap selectCellAtRow:9 column:0];
757                         }
758                 } else {
759                         /* we don't do any transcoding 
760                          * -> enabled the encap-formats allowed when streaming content via http
761                          * since this should work fine in most cases */
762                         /* FIXME: choose a selection of encap-formats based upon the actually used codecs */
763                                                 
764                         /* enable MPEG PS, MPEG TS, MPEG 1, OGG, RAW and ASF; select MPEG PS */
765                         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
766                         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
767                         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
768                         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
769                         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
770                         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
771                         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
772                         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
773                         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
774                         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
775                         [o_t5_matrix_encap selectCellAtRow:0 column:0];
776                 }
777                 int x;
778                 BOOL anythingEnabled;
779                 x = 0;
780                 anythingEnabled = NO;
781                 while (x != [o_t5_matrix_encap numberOfRows])
782                 {
783                         if ([[o_t5_matrix_encap cellAtRow:x column:0] isEnabled])
784                         {       
785                                 anythingEnabled = YES;
786                         }       
787                         x = (x + 1);
788                 }
789                 if (anythingEnabled == YES)
790                 {
791                 [o_tab_pageHolder selectTabViewItemAtIndex:4];
792                 } else {
793                     /* show a sheet that the selected codecs are not compatible */
794                         [o_wh_txt_title setStringValue: _NS("Invalid selection")];
795                         [o_wh_txt_text setStringValue: _NS("Your chosen codecs are " \
796                                 "not compatible with each other. For example: you cannot " \
797                                 "mix uncompressed audio with any video codec.\n\n" \
798                                 "Correct your selection and try again.")];
799                         [NSApp beginSheet: o_wizardhelp_window
800                                 modalForWindow: o_wizard_window
801                                 modalDelegate: o_wizardhelp_window
802                                 didEndSelector: nil
803                                 contextInfo: nil];
804                 }
805                 
806         }
807         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Encap"])
808         {
809                 /* get the chosen encap format and store it */
810                 NSNumber * theNum;
811                 theNum = [NSNumber numberWithInt:[[o_t5_matrix_encap selectedCell] tag]];
812                 [o_userSelections setObject:[theNum stringValue] forKey:@"encapFormat"];
813                 
814                 /* show either "Streaming 2" or "Transcode 2" to the user */
815                 if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
816                 {
817                         /* we are streaming */
818                         [o_tab_pageHolder selectTabViewItemAtIndex:5];
819                 }else{
820                         /* we are just transcoding */
821                         [o_tab_pageHolder selectTabViewItemAtIndex:6];
822                 }
823         }
824         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Streaming 2"])
825         {
826                 /* store the chosen TTL */
827                 [o_userSelections setObject:[o_t6_fld_ttl stringValue] forKey:@"ttl"];
828                 
829                 /* check whether SAP is enabled and store the announce, if needed */
830                 if ([o_t6_ckb_sap state] == NSOnState)
831                 {
832                         [o_userSelections setObject:@"YES" forKey:@"sap"];
833                         [o_userSelections setObject:[o_t6_fld_sap stringValue] forKey:@"sapText"];
834                 } else {
835                         [o_userSelections setObject:@"NO" forKey:@"sap"];
836                 }
837                 
838                 /* go to "Summary" */
839                 [self showSummary];
840         }
841         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Transcode 2"])
842         {
843                 /* check whether the path != "" and store it */
844                 if( [[o_t7_fld_filePath stringValue] isEqualToString: @""] )
845                 {       /* complain to the user that "" is no valid path */
846                         [o_wh_txt_title setStringValue: _NS("No file selected")];
847                         [o_wh_txt_text setStringValue: _NS("You you need to select " \
848                         "a file, you want to save to. \n\n Enter either a valid path or " \
849                         "choose a location through the button's dialog-box.")];
850                         [NSApp beginSheet: o_wizardhelp_window
851                                 modalForWindow: o_wizard_window
852                                 modalDelegate: o_wizardhelp_window
853                                 didEndSelector: nil
854                                 contextInfo: nil];
855                 } else {
856                         [o_userSelections setObject:[o_t7_fld_filePath stringValue] forKey:@"trnscdFilePath"];
857                         
858                         /* go to "Summary" */
859                         [self showSummary];
860                 }
861         }
862         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Summary"])
863         {
864                 intf_thread_t * p_intf = VLCIntf;
865
866                 playlist_t * p_playlist = (playlist_t *)vlc_object_find( p_intf,
867                             VLC_OBJECT_PLAYLIST, FIND_ANYWHERE);
868         if( p_playlist )
869         {
870                         playlist_item_t *p_item = playlist_ItemNew( p_playlist, [[@"file://" stringByAppendingString: [o_userSelections objectForKey:@"pathToStrm"]] UTF8String], _("Streaming/Transcoding Wizard") );
871                         playlist_ItemAddOption( p_item, [[o_userSelections objectForKey:@"opts"] UTF8String]);
872                         
873                         if(! [[o_userSelections objectForKey:@"partExtractFrom"] isEqualToString:@""] )
874                         {
875                                 playlist_ItemAddOption( p_item, [[@"start-time=" stringByAppendingString: [o_userSelections objectForKey:@"partExtractFrom"]] UTF8String] );
876                         }
877
878                         if(! [[o_userSelections objectForKey:@"partExtractTo"] isEqualToString:@""] )
879                         {
880                                 playlist_ItemAddOption( p_item, [[@"stop-time=" stringByAppendingString: [o_userSelections objectForKey:@"partExtractTo"]] UTF8String] );
881                         }
882                         
883             playlist_ItemAddOption( p_item, [[@"ttl=" stringByAppendingString: [o_userSelections objectForKey:@"ttl"]] UTF8String] ); 
884                                                 
885                         playlist_AddItem( p_playlist, p_item, PLAYLIST_GO, PLAYLIST_END );
886                         
887                         msg_Warn(p_intf, "updating the playlist-table is not implemented!");
888                         
889                         playlist_ViewUpdate( p_playlist, VIEW_CATEGORY );
890                         
891                         vlc_object_release(p_playlist);
892                 } else {
893                         msg_Err( p_intf, "Uh Oh! Unable to find playlist!" );
894                 }
895                 
896                 /* close the window, since we are done */
897                 [o_wizard_window close];
898         }
899 }
900
901 - (void)showSummary
902 {
903         [o_btn_forward setTitle: _NS("Finish")];
904         [o_t8_fld_inptStream setStringValue:[o_userSelections objectForKey:@"pathToStrm"]];
905         
906         if ([[o_userSelections objectForKey:@"partExtract"] isEqualToString: @"YES"])
907         {
908                 [o_t8_fld_partExtract setStringValue: [[[[[_NS("yes") stringByAppendingString:@" - "] stringByAppendingString: _NS("from ")] stringByAppendingString: [o_userSelections objectForKey:@"partExtractFrom"]] stringByAppendingString: _NS(" to ")] stringByAppendingString: [o_userSelections objectForKey:@"partExtractTo"]]];
909         } else {
910                 [o_t8_fld_partExtract setStringValue: _NS("no")];
911         }
912         
913         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
914         {
915                 /* we are streaming; no transcoding allowed atm */
916                 [o_t8_fld_saveFileTo setStringValue: @"-"];
917                 [o_t8_fld_trnscdAudio setStringValue: @"-"];
918                 [o_t8_fld_trnscdVideo setStringValue: @"-"];
919                 [o_t8_fld_strmgMthd setStringValue: [[o_strmgMthds objectAtIndex:[[o_userSelections objectForKey:@"stmgMhd"] intValue]] objectAtIndex:1]];
920                 [o_t8_fld_destination setStringValue: [o_userSelections objectForKey:@"stmgDest"]];
921                 [o_t8_fld_ttl setStringValue: [o_userSelections objectForKey:@"ttl"]];
922                 if ([[o_userSelections objectForKey:@"sap"] isEqualToString: @"YES"])
923                 {
924                         [o_t8_fld_sap setStringValue: [[_NS("yes") stringByAppendingString:@": "] stringByAppendingString:[o_userSelections objectForKey:@"sapText"]]];
925                 }else{
926                         [o_t8_fld_sap setStringValue: _NS("no")];
927                 }
928         } else {
929                 /* we are transcoding */
930                 [o_t8_fld_strmgMthd setStringValue: @"-"];
931                 [o_t8_fld_destination setStringValue: @"-"];
932                 [o_t8_fld_ttl setStringValue: @"-"];
933                 [o_t8_fld_sap setStringValue: @"-"];
934                 if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
935                 {
936                         [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"]];
937                 }else{
938                         [o_t8_fld_trnscdVideo setStringValue: _NS("no")];
939                 }
940                 if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
941                 {
942                         [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"]];
943                 }else{
944                         [o_t8_fld_trnscdAudio setStringValue: _NS("no")];
945                 }
946                 [o_t8_fld_saveFileTo setStringValue: [o_userSelections objectForKey:@"trnscdFilePath"]];
947         }
948         [o_t8_fld_encapFormat setStringValue: [[o_encapFormats objectAtIndex:[[o_userSelections objectForKey:@"encapFormat"] intValue]] objectAtIndex:1]];
949         
950         [self createOpts];
951         [o_t8_fld_mrl setStringValue: [o_userSelections objectForKey:@"opts"]];
952         
953         [o_tab_pageHolder selectTabViewItemAtIndex:7];
954 }
955
956 - (void) createOpts
957 {
958         NSMutableString * o_opts_string = [NSMutableString stringWithString:@""];
959         
960         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"trnscd"])
961         {
962                 /* we are just transcoding and dumping the stuff to a file */
963                 NSMutableString *o_trnscdCmd = [NSMutableString stringWithString:@""];
964                 if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
965                 {
966                         [o_trnscdCmd appendString: @"transcode{"];
967                         [o_trnscdCmd appendFormat: @"vcodec=%s,vb=%i", [[[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] objectAtIndex:1] UTF8String],  [[o_userSelections objectForKey:@"trnscdVideoBitrate"] intValue]];
968                         if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
969                         {
970                                 [o_trnscdCmd appendString: @","];
971                         } else
972                         {
973                                 [o_trnscdCmd appendString: @"}:"];
974                         }
975                 }
976                 if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
977                 {
978                         if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"NO"])
979                         {
980                                 /* in case we transcode the audio only, add this */
981                                 [o_trnscdCmd appendString: @"transcode{"];
982                         }
983                         [o_trnscdCmd appendFormat: @"acodec=%s,ab=%i}:", [[[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] objectAtIndex:1] UTF8String],  [[o_userSelections objectForKey:@"trnscdAudioBitrate"] intValue]];
984                 }
985                 [o_opts_string appendFormat: @":sout=#%sstandard{mux=%s,url=%s,access=file}", [o_trnscdCmd UTF8String], [[[o_encapFormats objectAtIndex:[[o_userSelections objectForKey:@"encapFormat"] intValue]] objectAtIndex:0] UTF8String], [[o_userSelections objectForKey:@"trnscdFilePath"] UTF8String]];
986         
987         } else {
988                 
989                 /* we are streaming - no transcoding allowed atm, since we mirror the wx-wizard */
990                 if ([[o_userSelections objectForKey:@"sap"] isEqualToString:@"YES"])
991                 {
992                         /* SAP-Announcement is requested */
993                         NSMutableString *o_sap_option = [NSMutableString stringWithString:@""];
994                         if([[o_userSelections objectForKey:@"sapText"] isEqualToString:@""])
995                         {
996                                 [o_sap_option appendString: @"sap"];
997                         } else {
998                                 [o_sap_option appendFormat: @"sap,name=\"%s\"",[[o_userSelections objectForKey:@"sapText"] UTF8String]];
999                         }
1000                         [o_opts_string appendFormat: @":sout=#standard{mux=%s,url=%s,access=%s,%s}", [[[o_encapFormats objectAtIndex:[[o_userSelections objectForKey:@"encapFormat"] intValue]] objectAtIndex:0] UTF8String], [[o_userSelections objectForKey:@"stmgDest"] UTF8String], [[[o_strmgMthds objectAtIndex:[[o_userSelections objectForKey:@"stmgMhd"] intValue]] objectAtIndex:0] UTF8String], [o_sap_option UTF8String]];
1001                 } else {
1002                         /* no SAP, just streaming */
1003                         [o_opts_string appendFormat: @":sout=#standard{mux=%s,url=%s,access=%s}", [[[o_encapFormats objectAtIndex:[[o_userSelections objectForKey:@"encapFormat"] intValue]] objectAtIndex:0] UTF8String], [[o_userSelections objectForKey:@"stmgDest"] UTF8String], [[[o_strmgMthds objectAtIndex:[[o_userSelections objectForKey:@"stmgMhd"] intValue]] objectAtIndex:0] UTF8String]];
1004                 }
1005         }       
1006         
1007         [o_userSelections setObject:o_opts_string forKey:@"opts"];
1008 }
1009
1010 - (IBAction)prevTab:(id)sender
1011 {
1012     if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Summary"])
1013         {       
1014                 /* check whether we are streaming or transcoding and go back */
1015                 if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1016                 {
1017                         /* show "Streaming 2" */
1018                         [o_tab_pageHolder selectTabViewItemAtIndex:5];
1019                 }else{
1020                         /* show "Transcode 2" */
1021                         [o_tab_pageHolder selectTabViewItemAtIndex:6];
1022                 }
1023                 /* rename the forward-button */
1024                 [o_btn_forward setTitle: _NS("Next")];
1025         }
1026         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Transcode 2"])
1027         {
1028                 /* show "Encap" */
1029                 [o_tab_pageHolder selectTabViewItemAtIndex:4];
1030         }
1031         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Streaming 2"])
1032         {
1033                 /* show "Encap" */
1034                 [o_tab_pageHolder selectTabViewItemAtIndex:4];
1035         }
1036         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Encap"])
1037         {
1038                 /* check whether we are streaming or transcoding and go back */
1039                 if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1040                 {
1041                         /* show "Streaming 1" */
1042                         [o_tab_pageHolder selectTabViewItemAtIndex:2];
1043                 }else{
1044                         /* show "Transcode 2" */
1045                         [o_tab_pageHolder selectTabViewItemAtIndex:3];
1046                 }
1047         }
1048         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Streaming 1"])
1049         {
1050                 /* show "Input" */
1051                 [o_tab_pageHolder selectTabViewItemAtIndex:1];
1052         }
1053         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Transcode 1"])
1054         {
1055                 /* show "Input" */
1056                 [o_tab_pageHolder selectTabViewItemAtIndex:1];
1057         }
1058         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Input"])
1059         {
1060                 /* show "Hello" */
1061                 [o_tab_pageHolder selectTabViewItemAtIndex:0];
1062                 /* disable backwards-btn */
1063                 [o_btn_backward setEnabled:NO];
1064         }
1065 }
1066
1067 - (IBAction)t1_mrInfo_streaming:(id)sender
1068 {
1069     /* show a sheet for the help */
1070         /* since NSAlert does not exist on OSX < 10.3, we use our own implementation */
1071         [o_wh_txt_title setStringValue: _NS("Stream to network")];
1072         [o_wh_txt_text setStringValue: _NS("Use this to stream on a network.")];
1073         [NSApp beginSheet: o_wizardhelp_window
1074             modalForWindow: o_wizard_window
1075             modalDelegate: o_wizardhelp_window
1076             didEndSelector: nil
1077             contextInfo: nil];
1078 }
1079
1080 - (IBAction)t1_mrInfo_transcode:(id)sender
1081 {
1082     /* show a sheet for the help */
1083         [o_wh_txt_title setStringValue: _NS("Transcode/Save to file")];
1084         [o_wh_txt_text setStringValue: _NS("Use this to save a stream to a file. You "\
1085                 "have the possibility to reencode the stream. You can save whatever "\
1086                 "VLC can read.\nPlease notice that VLC is not very suited " \
1087                 "for file to file transcoding. You should use its transcoding " \
1088         "features to save network streams, for example.")];
1089         [NSApp beginSheet: o_wizardhelp_window
1090             modalForWindow: o_wizard_window
1091             modalDelegate: o_wizardhelp_window
1092             didEndSelector: nil
1093             contextInfo: nil];
1094 }
1095
1096 - (IBAction)t2_addNewStream:(id)sender
1097 {
1098     NSOpenPanel * openPanel = [NSOpenPanel openPanel];
1099     SEL sel = @selector(t2_getNewStreamFromDialog:returnCode:contextInfo:);
1100     [openPanel beginSheetForDirectory:nil file:nil types:nil modalForWindow:o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1101 }
1102
1103 - (void)t2_getNewStreamFromDialog: (NSOpenPanel *)sheet returnCode: (int)returnCode contextInfo: (void *)contextInfo
1104 {
1105     if (returnCode == NSOKButton)
1106     {
1107         [o_t2_fld_pathToStrm setStringValue:[sheet filename]];
1108     }
1109 }
1110
1111 - (IBAction)t2_chooseStreamOrPlst:(id)sender
1112 {
1113     /* enable and disable the respective items depending on user's choice */
1114     NSString *o_mode;
1115     o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
1116         
1117         if( [o_mode isEqualToString: _NS("Select a stream")] )
1118     {
1119                 [o_t2_btn_chooseFile setEnabled:YES];
1120                 [o_t2_fld_pathToStrm setEnabled:YES];
1121                 [o_t2_tbl_plst setEnabled:NO];
1122         } else {
1123                 [o_t2_btn_chooseFile setEnabled:NO];
1124                 [o_t2_fld_pathToStrm setEnabled:NO];
1125                 [o_t2_tbl_plst setEnabled:YES];
1126         }
1127 }
1128
1129 - (IBAction)t2_enableExtract:(id)sender
1130 {
1131     /* enable/disable the respective items */
1132     if([o_t2_ckb_enblPartExtrct state] == NSOnState)
1133     {
1134         [o_t2_fld_prtExtrctFrom setEnabled:YES];
1135         [o_t2_fld_prtExtrctTo setEnabled:YES];
1136     } else {
1137         [o_t2_fld_prtExtrctFrom setEnabled:NO];
1138         [o_t2_fld_prtExtrctTo setEnabled:NO];
1139                 [o_t2_fld_prtExtrctFrom setStringValue:@""];
1140                 [o_t2_fld_prtExtrctTo setStringValue:@""];
1141     }
1142 }
1143
1144 - (IBAction)t3_addressEntered:(id)sender
1145 {
1146     /* check whether the entered address is valid */
1147 }
1148
1149 - (IBAction)t3_strmMthdChanged:(id)sender
1150 {
1151         /* change the captions of o_t3_txt_destInfo according to the chosen
1152          * streaming method */
1153         NSNumber * o_mode;
1154         o_mode = [[NSNumber alloc] initWithInt:[[o_t3_matrix_stmgMhd selectedCell] tag]];
1155         if( [o_mode intValue] == 2 )
1156         {
1157                 /* HTTP */
1158                 [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:0] objectAtIndex:2]];
1159                 [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:0] objectAtIndex:3]];
1160         }
1161         else if( [o_mode intValue] == 1 )
1162         {
1163                 /* UDP-Multicast */
1164                 [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:1] objectAtIndex:2]];
1165                 [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:1] objectAtIndex:3]];
1166         }
1167         else if( [o_mode intValue] == 0 ) 
1168         {
1169                 /* UDP-Unicast */
1170                 [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:2] objectAtIndex:2]];
1171                 [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:2] objectAtIndex:3]];       }
1172         [o_mode release];
1173 }
1174
1175 - (IBAction)t4_AudCdcChanged:(id)sender
1176 {
1177     /* update codec info */
1178         [o_t4_txt_hintAudio setStringValue:[[o_audioCodecs objectAtIndex:[o_t4_pop_audioCodec indexOfSelectedItem]] objectAtIndex:2]];
1179 }
1180
1181 - (IBAction)t4_enblAudTrnscd:(id)sender
1182 {
1183     /* enable/disable the respective items */
1184     if([o_t4_ckb_audio state] == NSOnState)
1185     {
1186         [o_t4_pop_audioCodec setEnabled:YES];
1187         [o_t4_pop_audioBitrate setEnabled:YES];
1188                 [o_t4_txt_hintAudio setStringValue: _NS("Select your audio codec. "\
1189                 "Click one to get more information.")];
1190     } else {
1191         [o_t4_pop_audioCodec setEnabled:NO];
1192         [o_t4_pop_audioBitrate setEnabled:NO];
1193                 [o_t4_txt_hintAudio setStringValue: _NS("If your stream has audio " \
1194                 "and you want to transcode it, enable this.")];
1195     }
1196 }
1197
1198 - (IBAction)t4_enblVidTrnscd:(id)sender
1199 {
1200     /* enable/disable the respective items */
1201     if([o_t4_ckb_video state] == NSOnState)
1202     {
1203         [o_t4_pop_videoCodec setEnabled:YES];
1204         [o_t4_pop_videoBitrate setEnabled:YES];
1205                 [o_t4_txt_hintVideo setStringValue: _NS("Select your video codec. "\
1206                 "Click one to get more information.")];
1207     } else {
1208         [o_t4_pop_videoCodec setEnabled:NO];
1209         [o_t4_pop_videoBitrate setEnabled:NO];
1210                 [o_t4_txt_hintVideo setStringValue: _NS("If your stream has video " \
1211                 "and you want to transcode it, enable this.")];
1212     }
1213 }
1214
1215 - (IBAction)t4_VidCdcChanged:(id)sender
1216 {
1217     /* update codec info */
1218         [o_t4_txt_hintVideo setStringValue:[[o_videoCodecs objectAtIndex:[o_t4_pop_videoCodec indexOfSelectedItem]] objectAtIndex:2]];
1219 }
1220
1221 - (IBAction)t6_enblSapAnnce:(id)sender
1222 {
1223     /* enable/disable input fld */
1224     if([o_t6_ckb_sap state] == NSOnState)
1225     {
1226         [o_t6_fld_sap setEnabled:YES];
1227     } else {
1228         [o_t6_fld_sap setEnabled:NO];
1229         [o_t6_fld_sap setStringValue:@""];
1230     }
1231 }
1232
1233 - (IBAction)t6_mrInfo_ttl:(id)sender
1234 {
1235     /* show a sheet for the help */
1236         [o_wh_txt_title setStringValue: _NS("Time-To-Live (TTL)")];
1237         [o_wh_txt_text setStringValue: _NS("Define the TTL (Time-To-Live) of the stream. "\
1238                         "This parameter is the maximum number of routers your stream can go "
1239                         "through. If you don't know what it means, or if you want to stream on " \
1240                         "your local network only, leave this setting to 1.")];
1241         [NSApp beginSheet: o_wizardhelp_window
1242             modalForWindow: o_wizard_window
1243             modalDelegate: o_wizardhelp_window
1244             didEndSelector: nil
1245             contextInfo: nil];
1246 }
1247
1248 - (IBAction)t6_mrInfo_sap:(id)sender
1249 {
1250     /* show a sheet for the help */
1251         [o_wh_txt_title setStringValue: _NS("SAP Announce")];
1252         [o_wh_txt_text setStringValue: _NS("When streaming using UDP, you can " \
1253                 "announce your streams using the SAP/SDP announcing protocol. This " \
1254                 "way, the clients won't have to type in the multicast address, it " \
1255                 "will appear in their playlist if they enable the SAP extra interface.\n" \
1256                 "If you want to give a name to your stream, enter it here, " \
1257                 "else, a default name will be used.")];
1258         [NSApp beginSheet: o_wizardhelp_window
1259             modalForWindow: o_wizard_window
1260             modalDelegate: o_wizardhelp_window
1261             didEndSelector: nil
1262             contextInfo: nil];
1263 }
1264
1265 - (IBAction)t7_selectTrnscdDestFile:(id)sender
1266 {
1267     /* provide a save-to-dialogue, so the user can choose a location for his/her new file */
1268     NSSavePanel * savePanel = [NSSavePanel savePanel];
1269     SEL sel = @selector(t7_getTrnscdDestFile:returnCode:contextInfo:);
1270         [savePanel setRequiredFileType:[[o_encapFormats objectAtIndex:[[o_userSelections objectForKey:@"encapFormat"] intValue]] objectAtIndex:0]];
1271         [savePanel setCanSelectHiddenExtension:YES];
1272     [savePanel beginSheetForDirectory:nil file:nil modalForWindow:o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1273 }
1274
1275 - (void)t7_getTrnscdDestFile: (NSSavePanel *)sheet returnCode: (int)returnCode contextInfo: (void *)contextInfo
1276 {
1277     if (returnCode == NSOKButton)
1278     {
1279                 /* output returned path to text-field */
1280         [o_t7_fld_filePath setStringValue:[sheet filename]];
1281     }
1282 }
1283
1284 - (IBAction)wh_closeSheet:(id)sender
1285 {
1286         /* close the help sheet */
1287         [NSApp endSheet:o_wizardhelp_window];
1288         [o_wizardhelp_window close];
1289 }
1290
1291 @end