git.sesse.net Git - vlc/blob - 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         - MRL composition when streaming
  32     - putting the MRL and the next item to the playlist
  33         - l10n string fixes (both in OSX and WX)
  34         - fill the playlist-table on t2
  35         - implement l10n on t8?
  36         - see FIXME's
  37 */
  38
  39
  40 /*****************************************************************************
  41  * Preamble
  42  *****************************************************************************/
  43 #import "wizard.h"
  44 #import "intf.h"
  45
  46
  47 /*****************************************************************************
  48  * VLCWizard implementation
  49  *****************************************************************************/
  50
  51 @implementation VLCWizard
  52
  53 static VLCWizard *_o_sharedInstance = nil;
  54
  55 + (VLCWizard *)sharedInstance
  56 {
  57     return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
  58 }
  59
  60 - (id)init
  61 {
  62     if (_o_sharedInstance) {
  63         [self dealloc];
  64     } else {
  65         _o_sharedInstance = [super init];
  66     }
  67
  68     return _o_sharedInstance;
  69 }
  70
  71 - (void)awakeFromNib
  72 {
  73     /* some minor cleanup */
  74     [o_t2_tbl_plst setEnabled:NO];
  75         [o_wizardhelp_window setExcludedFromWindowsMenu:YES];
  76         o_userSelections = [[NSMutableDictionary alloc] init];
  77         [o_btn_backward setEnabled:NO];
  78
  79     /* add audio-bitrates for transcoding */
  80     NSArray * audioBitratesArray;
  81     audioBitratesArray = [NSArray arrayWithObjects: @"512", @"256", @"192", @"128", @"64", @"32", @"16", nil ];
  82     [o_t4_pop_audioBitrate removeAllItems];
  83     [o_t4_pop_audioBitrate addItemsWithTitles: audioBitratesArray];
  84     [o_t4_pop_audioBitrate selectItemWithTitle: @"192"];
  85
  86     /* add video-bitrates for transcoding */
  87     NSArray * videoBitratesArray;
  88     videoBitratesArray = [NSArray arrayWithObjects: @"3072", @"2048", @"1024", @"768", @"512", @"256", @"192", @"128", @"64", @"32", @"16", nil ];
  89     [o_t4_pop_videoBitrate removeAllItems];
  90     [o_t4_pop_videoBitrate addItemsWithTitles: videoBitratesArray];
  91     [o_t4_pop_videoBitrate selectItemWithTitle: @"1024"];
  92
  93         /* fill 2 global arrays with arrays containing all codec-related information
  94          * - one array per codec named by its short name to define the encap-compability,
  95          *       cmd-names, real names, more info in the order: realName, shortName,
  96          *       moreInfo, encaps */
  97         NSArray * o_mp1v;
  98         NSArray * o_mp2v;
  99         NSArray * o_mp4v;
 100         NSArray * o_div1;
 101         NSArray * o_div2;
 102         NSArray * o_div3;
 103         NSArray * o_h263;
 104         NSArray * o_h264;
 105         NSArray * o_wmv1;
 106         NSArray * o_wmv2;
 107         NSArray * o_mjpg;
 108         NSArray * o_theo;
 109         NSArray * o_dummyVid;
 110         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];
 111         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];
 112         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];
 113         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];
 114         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];
 115         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];
 116         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];
 117         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];
 118         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];
 119         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];
 120         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];
 121         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];
 122         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];
 123         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];
 124         [o_t4_pop_videoCodec removeAllItems];
 125         unsigned int x;
 126         x = 0;
 127         while (x != [o_videoCodecs count])
 128         {
 129                 [o_t4_pop_videoCodec addItemWithTitle:[[o_videoCodecs objectAtIndex:x] objectAtIndex:0]];
 130                 x = (x + 1);
 131         }
 132
 133         NSArray * o_mpga;
 134         NSArray * o_mp3;
 135         NSArray * o_mp4a;
 136         NSArray * o_a52;
 137         NSArray * o_vorb;
 138         NSArray * o_flac;
 139         NSArray * o_spx;
 140         NSArray * o_s16l;
 141         NSArray * o_fl32;
 142         NSArray * o_dummyAud;
 143         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];
 144         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];
 145         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];
 146         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];
 147         o_vorb = [NSArray arrayWithObjects: @"Vorbis", @"vorb", _NS("Vorbis is a free audio codec"), @"MUX_OGG", @"-1",  @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
 148         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];
 149         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];
 150         o_s16l = [NSArray arrayWithObjects: @"Uncompressed, integer", @"s16l", _NS("Uncompressed audio samples"), @"MUX_WAV", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
 151         o_fl32 = [NSArray arrayWithObjects: @"Uncompressed, floating", @"fl32", _NS("Uncompressed audio samples"), @"MUX_WAV", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
 152         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];
 153         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];
 154         [o_t4_pop_audioCodec removeAllItems];
 155         x = 0;
 156         while (x != [o_audioCodecs count])
 157         {
 158                 [o_t4_pop_audioCodec addItemWithTitle:[[o_audioCodecs objectAtIndex:x] objectAtIndex:0]];
 159                 x = (x + 1);
 160         }
 161
 162
 163         /* fill another global array with all information about the encap-formats
 164          * note that the order of the formats inside the g. array is the same as on
 165          * the encap-tab */
 166         NSArray * o_ps;
 167         NSArray * o_ts;
 168         NSArray * o_mpeg;
 169         NSArray * o_ogg;
 170         NSArray * o_raw;
 171         NSArray * o_asf;
 172         NSArray * o_avi;
 173         NSArray * o_mp4;
 174         NSArray * o_mov;
 175         NSArray * o_wav;
 176         o_ps = [NSArray arrayWithObjects: @"ps", @"MPEG PS", _NS("MPEG Program Stream"), nil];
 177         o_ts = [NSArray arrayWithObjects: @"ts", @"MPEG TS", _NS("MPEG Transport Stream"), nil];
 178         o_mpeg = [NSArray arrayWithObjects: @"ps", @"MPEG 1", _NS("MPEG 1 Format"), nil];
 179         o_ogg = [NSArray arrayWithObjects: @"ogg", @"OGG", @"OGG", nil];
 180         o_raw = [NSArray arrayWithObjects: @"raw", @"RAW", @"RAW", nil];
 181         o_asf = [NSArray arrayWithObjects: @"asf", @"ASF", @"ASF", nil];
 182         o_avi = [NSArray arrayWithObjects: @"avi", @"AVI", @"AVI", nil];
 183         o_mp4 = [NSArray arrayWithObjects: @"mp4", @"MP4", @"MPEG4", nil];
 184         o_mov = [NSArray arrayWithObjects: @"mov", @"MOV", @"MOV", nil];
 185         o_wav = [NSArray arrayWithObjects: @"wav", @"WAV", @"WAV", nil];
 186         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];
 187 }
 188
 189 - (void)showWizard
 190 {
 191     /* just present the window to the user */
 192     [o_tab_pageHolder selectFirstTabViewItem:self];
 193
 194         [self resetWizard];
 195
 196     [o_wizard_window center];
 197     [o_wizard_window displayIfNeeded];
 198     [o_wizard_window makeKeyAndOrderFront:nil];
 199 }
 200
 201 - (void)resetWizard
 202 {
 203         /* reset the wizard-window to its default values */
 204
 205         [o_userSelections removeAllObjects];
 206         [o_t1_matrix_strmgOrTrnscd selectCellAtRow:0 column:0];
 207         [[o_t1_matrix_strmgOrTrnscd cellAtRow:1 column:0] setState: NSOffState];
 208         [o_btn_forward setTitle: [_NS("Next") stringByAppendingString:@" >"]];
 209
 210         /* "Input" */
 211         [o_t2_fld_pathToNewStrm setStringValue: @""];
 212         [o_t2_ckb_enblPartExtrct setState: NSOffState];
 213         [self t2_enableExtract:nil];
 214         [o_t2_matrix_inputSourceType selectCellAtRow:0 column:0];
 215         [[o_t2_matrix_inputSourceType cellAtRow:1 column:0] setState: NSOffState];
 216         /* FIXME: we need to refresh the playlist-table as well */
 217         [o_t2_tbl_plst setEnabled:NO];
 218         [o_t2_fld_pathToNewStrm setEnabled:YES];
 219         [o_t2_btn_chooseFile setEnabled:YES];
 220
 221         /* "Streaming 1" */
 222         [o_t3_fld_address setStringValue: @""];
 223         [o_t3_matrix_stmgMhd selectCellAtRow:0 column:0];
 224         [[o_t3_matrix_stmgMhd cellAtRow:1 column:1] setState: NSOffState];
 225         [[o_t3_matrix_stmgMhd cellAtRow:1 column:2] setState: NSOffState];
 226
 227         /* "Transcode 1" */
 228         [o_t4_ckb_audio setState: NSOffState];
 229         [o_t4_ckb_video setState: NSOffState];
 230         [self t4_enblVidTrnscd:nil];
 231         [self t4_enblAudTrnscd:nil];
 232
 233         /* "Streaming 2" */
 234         [o_t6_fld_ttl setStringValue: @"1"];
 235         [o_t6_ckb_sap setState: NSOffState];
 236         [self t6_enblSapAnnce:nil];
 237
 238         /* "Transcode 2" */
 239         [o_t7_fld_filePath setStringValue: @""];
 240 }
 241
 242 - (void)initStrings
 243 {
 244     /* localise all strings to the users lang */
 245     /* method is called from intf.m (in method openWizard) */
 246
 247     /* general items */
 248     [o_btn_backward setTitle: [@"< " stringByAppendingString: _NS("Back")]];
 249     [o_btn_cancel setTitle: _NS("Cancel")];
 250     [o_btn_forward setTitle: [_NS("Next") stringByAppendingString:@" >"]];
 251     [o_wizard_window setTitle: _NS("Streaming/Transcoding Wizard")];
 252
 253     /* page one ("Hello") */
 254     [o_t1_txt_title setStringValue: _NS("Streaming/Transcoding Wizard")];
 255     [o_t1_txt_text setStringValue: _NS("This wizard helps you to stream, transcode or save a stream")];
 256     [o_t1_btn_mrInfo_strmg setTitle: _NS("More Info")];
 257     [o_t1_btn_mrInfo_trnscd setTitle: _NS("More Info")];
 258     [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")];
 259         [[o_t1_matrix_strmgOrTrnscd cellAtRow:0 column:0] setTitle: _NS("Stream to network")];
 260     [[o_t1_matrix_strmgOrTrnscd cellAtRow:1 column:0] setTitle: _NS("Transcode/Save to file")];
 261
 262     /* page two ("Input") */
 263     [o_t2_title setStringValue: _NS("Choose input")];
 264     [o_t2_text setStringValue: _NS("Choose here your input stream")];
 265     [[o_t2_matrix_inputSourceType cellAtRow:0 column:0] setTitle: _NS("Select a stream")];
 266     [[o_t2_matrix_inputSourceType cellAtRow:1 column:0] setTitle: _NS("Existing playlist item")];
 267     [o_t2_btn_chooseFile setTitle: _NS("Choose...")];
 268     [[[o_t2_tbl_plst tableColumnWithIdentifier:@"name"] headerCell] setStringValue: _NS("Name")];
 269     [[[o_t2_tbl_plst tableColumnWithIdentifier:@"uri"] headerCell] setStringValue: _NS("URI")];
 270     [o_t2_box_prtExtrct setTitle: _NS("Partial Extract")];
 271     [o_t2_ckb_enblPartExtrct setTitle: _NS("Enable")];
 272     [o_t2_txt_prtExtrctFrom setStringValue: _NS("From")];
 273     [o_t2_txt_prtExtrctTo setStringValue: _NS("To")];
 274
 275     /* page three ("Streaming 1") */
 276     [o_t3_txt_title setStringValue: _NS("Streaming")];
 277     [o_t3_txt_text setStringValue: _NS("In this page, you will select how your input stream will be sent.")];
 278     [o_t3_box_dest setTitle: _NS("Destination")];
 279     [o_t3_box_strmgMthd setTitle: _NS("Streaming method")];
 280     [o_t3_txt_destInfo setStringValue: _NS("Enter the address of the computer to stream to")];
 281     [[o_t3_matrix_stmgMhd cellAtRow:1 column:0] setTitle: _NS("UDP Unicast")];
 282     [[o_t3_matrix_stmgMhd cellAtRow:1 column:1] setTitle: _NS("UDP Multicast")];
 283         [o_t3_txt_strgMthdInfo setStringValue: _NS("Use this to stream to a single computer")];
 284
 285     /* page four ("Transcode 1") */
 286     [o_t4_title setStringValue: _NS("Transcode")];
 287     [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).")];
 288     [o_t4_box_audio setTitle: _NS("Audio")];
 289     [o_t4_box_video setTitle: _NS("Video")];
 290     [o_t4_ckb_audio setTitle: _NS("Transcode audio")];
 291     [o_t4_ckb_video setTitle: _NS("Transcode video")];
 292     [o_t4_txt_videoBitrate setStringValue: _NS("Bitrate (kb/s)")];
 293     [o_t4_txt_videoCodec setStringValue: _NS("Codec")];
 294     [o_t4_txt_hintAudio setStringValue: _NS("If your stream has audio and you want to " \
 295                          "transcode it, enable this")];
 296     [o_t4_txt_hintVideo setStringValue: _NS("If your stream has video and you want to " \
 297                          "transcode it, enable this")];
 298
 299     /* page five ("Encap") */
 300     [o_t5_title setStringValue: _NS("Encapsulation format")];
 301     [o_t5_text setStringValue: _NS("In this page, you will select how the stream will be "\
 302                      "encapsulated. Depending on the choices you made, all "\
 303                      "formats won't be available.")];
 304
 305     /* page six ("Streaming 2") */
 306     [o_t6_title setStringValue: _NS("Additional streaming options")];
 307     [o_t6_text setStringValue: _NS("In this page, you will define a few " \
 308                               "additional parameters for your stream.")];
 309     [o_t6_txt_ttl setStringValue: _NS("Time-To-Live (TTL)")];
 310     [o_t6_btn_mrInfo_ttl setTitle: _NS("More Info")];
 311     [o_t6_ckb_sap setTitle: _NS("SAP Announce")];
 312     [o_t6_btn_mrInfo_sap setTitle: _NS("More Info")];
 313
 314     /* page seven ("Transcode 2") */
 315     [o_t7_title setStringValue: _NS("Additional transcode options")];
 316     [o_t7_text setStringValue: _NS("In this page, you will define a few " \
 317                               "additionnal parameters for your transcoding.")];
 318     [o_t7_txt_saveFileTo setStringValue: _NS("Select the file to save to")];
 319     [o_t7_btn_chooseFile setTitle: _NS("Choose...")];
 320
 321         /* page eight ("Summary") */
 322         /* FIXME: currently not implemented as it unsure whether we show this tab
 323          * to the public or use it for debugging only */
 324
 325         /* wizard help window */
 326         [o_wh_btn_okay setTitle: _NS("OK")];
 327 }
 328
 329 - (IBAction)cancelRun:(id)sender
 330 {
 331     [o_wizard_window close];
 332 }
 333
 334 - (IBAction)nextTab:(id)sender
 335 {
 336         if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Hello"])
 337         {
 338                 /* check whether the user wants to stream or just to transcode;
 339                  * store information for later usage */
 340                 NSString *o_mode;
 341                 o_mode = [[o_t1_matrix_strmgOrTrnscd selectedCell] title];
 342                 if( [o_mode isEqualToString: _NS("Stream to network")] )
 343                 {
 344                         [o_userSelections setObject:@"strmg" forKey:@"trnscdOrStrmg"];
 345                 }else{
 346                         [o_userSelections setObject:@"trnscd" forKey:@"trnscdOrStrmg"];
 347                 }
 348                 [o_btn_backward setEnabled:YES];
 349                 [o_tab_pageHolder selectTabViewItemAtIndex:1];
 350         }
 351         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Input"])
 352         {
 353                 /* check whether partialExtract is enabled and store the values, if needed */
 354                 if ([o_t2_ckb_enblPartExtrct state] == NSOnState)
 355                 {
 356                         [o_userSelections setObject:@"YES" forKey:@"partExtract"];
 357                         [o_userSelections setObject:[o_t2_fld_prtExtrctFrom stringValue] forKey:@"partExtractFrom"];
 358                         [o_userSelections setObject:[o_t2_fld_prtExtrctTo stringValue] forKey:@"partExtractTo"];
 359                 }else{
 360                         [o_userSelections setObject:@"NO" forKey:@"partExtract"];
 361                 }
 362
 363                 /* check whether we use an existing pl-item or add an new one;
 364                  * store the path or the index and set a flag.
 365                  * complain to the user if s/he didn't provide a path */
 366                 NSString *o_mode;
 367                 BOOL stop;
 368                 stop = NO;
 369                 o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
 370                 if( [o_mode isEqualToString: _NS("Select a stream")] )
 371                 {
 372                         [o_userSelections setObject:@"YES" forKey:@"newStrm"];
 373                         if ([[o_t2_fld_pathToNewStrm stringValue] isEqualToString: @""])
 374                         {
 375                 /* set a flag that no file is selected */
 376                                 stop = YES;
 377                         }else{
 378                                 [o_userSelections setObject:[o_t2_fld_pathToNewStrm stringValue] forKey:@"pathToNewStrm"];
 379                         }
 380                 }else{
 381                         if ([o_t2_tbl_plst selectedRow] != -1)
 382                         {
 383                                 [o_userSelections setObject:@"NO" forKey:@"newStrm"];
 384                                 NSNumber * myNumber = [[NSNumber alloc] initWithInt:[o_t2_tbl_plst selectedRow]];
 385                                 [o_userSelections setObject:myNumber forKey:@"plItemIndex"];
 386             } else {
 387                 /* set a flag that no item is selected */
 388                 stop = YES;
 389                         }
 390                 }
 391
 392                 /* show either "Streaming 1" or "Transcode 1" to the user */
 393                 if (stop == NO)
 394                 {
 395             if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
 396             {
 397                 /* we are streaming */
 398                 [o_tab_pageHolder selectTabViewItemAtIndex:2];
 399             }else{
 400                 /* we are just transcoding */
 401                 [o_tab_pageHolder selectTabViewItemAtIndex:3];
 402             }
 403         } else {
 404             /* show a sheet that the user didn't select a file */
 405                         [o_wh_txt_title setStringValue: _NS("No input selected")];
 406                         [o_wh_txt_text setStringValue: _NS("You selected neither " \
 407                                 "a new stream nor an existing playlist item. VLC is unable to " \
 408                                 "guess, which input you want use. \n\n Choose one " \
 409                                 "before going to the next page.")];
 410                         [NSApp beginSheet: o_wizardhelp_window
 411                                 modalForWindow: o_wizard_window
 412                                 modalDelegate: o_wizardhelp_window
 413                                 didEndSelector: nil
 414                                 contextInfo: nil];
 415         }
 416         }
 417         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Streaming 1"])
 418         {
 419                 /* check which streaming method is selected and store it */
 420                 NSString *o_mode;
 421                 o_mode = [[o_t3_matrix_stmgMhd selectedCell] title];
 422                 if( [o_mode isEqualToString: _NS("HTTP")] )
 423                 {
 424                         [o_userSelections setObject:@"HTTP" forKey:@"stmgMhd"];
 425                         /* enable MPEG PS, MPEG TS, MPEG 1, OGG, RAW and ASF; select MPEG PS */
 426                         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 427                         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 428                         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 429                         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 430                         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 431                         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 432                         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
 433                         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
 434                         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
 435                         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
 436                         [o_t5_matrix_encap selectCellAtRow:0 column:0];
 437                 } else {
 438                         if( [o_mode isEqualToString: _NS("UDP Unicast")] )
 439                         {
 440                                 [o_userSelections setObject:@"UDP-Unicast" forKey:@"stmgMhd"];
 441                         } else {
 442                                 [o_userSelections setObject:@"UDP-Multicast" forKey:@"stmgMhd"];
 443                         }
 444                         /* disable all encap-formats but MPEG-TS and select it */
 445                         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
 446                         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
 447                         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
 448                         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
 449                         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
 450                         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
 451                         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
 452                         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
 453                         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
 454                         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 455                         [o_t5_matrix_encap selectCellAtRow:1 column:0];
 456                 }
 457
 458                 /* store the destination and check whether is it empty */
 459                 if(! [o_mode isEqualToString: _NS("HTTP")] )
 460                 {
 461                         /* empty field is valid for HTTP */
 462
 463                         if( [[o_t3_fld_address stringValue] isEqualToString: @""] )
 464                         {
 465
 466                                 /* complain to the user that "" is no valid dest. */
 467                                 [o_wh_txt_title setStringValue: _NS("No valid destination")];
 468                                 [o_wh_txt_text setStringValue: _NS("You need to enter " \
 469                                 "a valid destination you want to stream to. Enter either a " \
 470                                 "Unicast-IP or a Multicast-IP.\n\n If you don't know "
 471                                 "what this means, have a look at the VLC Streaming HOWTO and " \
 472                                 "the help texts in this window." )];
 473                                 [NSApp beginSheet: o_wizardhelp_window
 474                                         modalForWindow: o_wizard_window
 475                                         modalDelegate: o_wizardhelp_window
 476                                         didEndSelector: nil
 477                                         contextInfo: nil];
 478                         } else {
 479                                 /* FIXME: stupid code duplication, should be solved by a GoTo-like-thing -- FK */
 480                                 [o_userSelections setObject:[o_t3_fld_address stringValue] forKey:@"stmgDest"];
 481                                 /* let's go to the encap-tab */
 482                                 [o_tab_pageHolder selectTabViewItemAtIndex:4];
 483                         }
 484                 } else {
 485                         [o_userSelections setObject:[o_t3_fld_address stringValue] forKey:@"stmgDest"];
 486                         /* let's go to the encap-tab */
 487                         [o_tab_pageHolder selectTabViewItemAtIndex:4];
 488                 }
 489         }
 490         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Transcode 1"])
 491         {
 492                 /* check whether the user wants to transcode the video-track and store the related options */
 493                 if ([o_t4_ckb_video state] == NSOnState)
 494                 {
 495                         NSNumber * theNum;
 496                         theNum = [NSNumber numberWithInt:[o_t4_pop_videoCodec indexOfSelectedItem]];
 497                         [o_userSelections setObject:@"YES" forKey:@"trnscdVideo"];
 498                         [o_userSelections setObject:[o_t4_pop_videoBitrate titleOfSelectedItem] forKey:@"trnscdVideoBitrate"];
 499                         [o_userSelections setObject:theNum forKey:@"trnscdVideoCodec"];
 500                 } else {
 501                         [o_userSelections setObject:@"NO" forKey:@"trnscdVideo"];
 502                 }
 503
 504                 /* check whether the user wants to transcode the audio-track and store the related options */
 505                 if ([o_t4_ckb_audio state] == NSOnState)
 506                 {
 507                         NSNumber * theNum;
 508                         theNum = [NSNumber numberWithInt:[o_t4_pop_audioCodec indexOfSelectedItem]];
 509                         [o_userSelections setObject:@"YES" forKey:@"trnscdAudio"];
 510                         [o_userSelections setObject:[o_t4_pop_audioBitrate titleOfSelectedItem] forKey:@"trnscdAudioBitrate"];
 511                         [o_userSelections setObject:theNum forKey:@"trnscdAudioCodec"];
 512                 } else {
 513                         [o_userSelections setObject:@"NO" forKey:@"trnscdAudio"];
 514                 }
 515
 516                 /* disable all encap-formats */
 517                 [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
 518                 [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:NO];
 519                 [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
 520                 [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
 521                 [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
 522                 [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
 523                 [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
 524                 [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
 525                 [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
 526                 [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
 527
 528                 /* re-enable the encap-formats supported by the chosen codecs */
 529                 /* FIXME: the following is a really bad coding-style. feel free to write
 530                         me ideas how to make this nicer, if you want to -- FK, 7/11/05 */
 531
 532                 if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualTo: @"YES"])
 533                 {
 534                         if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
 535                         {
 536                                 /* we are transcoding both audio and video, so we need to check both deps */
 537                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
 538                                 {
 539                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_PS"])
 540                                         {
 541                                                 [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 542                                                 [o_t5_matrix_encap selectCellAtRow:0 column:0];
 543                                         }
 544                                 }
 545                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
 546                                 {
 547                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
 548                                         {
 549                                                 [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 550                                                 [o_t5_matrix_encap selectCellAtRow:1 column:0];
 551                                         }
 552                                 }
 553                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
 554                                 {
 555                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
 556                                         {
 557                                                 [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 558                                                 [o_t5_matrix_encap selectCellAtRow:2 column:0];
 559                                         }
 560                                 }
 561                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
 562                                 {
 563                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
 564                                         {
 565                                                 [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 566                                                 [o_t5_matrix_encap selectCellAtRow:3 column:0];
 567                                         }
 568                                 }
 569                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
 570                                 {
 571                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
 572                                         {
 573                                                 [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 574                                                 [o_t5_matrix_encap selectCellAtRow:4 column:0];
 575                                         }
 576                                 }
 577                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
 578                                 {
 579                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
 580                                         {
 581                                                 [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 582                                                 [o_t5_matrix_encap selectCellAtRow:5 column:0];
 583                                         }
 584                                 }
 585                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
 586                                 {
 587                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
 588                                         {
 589                                                 [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 590                                                 [o_t5_matrix_encap selectCellAtRow:6 column:0];
 591                                         }
 592                                 }
 593                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
 594                                 {
 595                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
 596                                         {
 597                                                 [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 598                                                 [o_t5_matrix_encap selectCellAtRow:7 column:0];
 599                                         }
 600                                 }
 601                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
 602                                 {
 603                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
 604                                         {
 605                                                 [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 606                                                 [o_t5_matrix_encap selectCellAtRow:8 column:0];
 607                                         }
 608                                 }
 609                                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
 610                                 {
 611                                         if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
 612                                         {
 613                                                 [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 614                                                 [o_t5_matrix_encap selectCellAtRow:9 column:0];
 615                                         }
 616                                 }
 617
 618                         } else {
 619
 620                                 /* we just transcoding the audio */
 621
 622                                 /* select formats supported by the audio codec */
 623                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_PS"])
 624                                 {
 625                                         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 626                                         [o_t5_matrix_encap selectCellAtRow:0 column:0];
 627                                 }
 628                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
 629                                 {
 630                                         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 631                                         [o_t5_matrix_encap selectCellAtRow:1 column:0];
 632                                 }
 633                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
 634                                 {
 635                                         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 636                                         [o_t5_matrix_encap selectCellAtRow:2 column:0];
 637                                 }
 638                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
 639                                 {
 640                                         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 641                                         [o_t5_matrix_encap selectCellAtRow:3 column:0];
 642                                 }
 643                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
 644                                 {
 645                                         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 646                                         [o_t5_matrix_encap selectCellAtRow:4 column:0];
 647                                 }
 648                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
 649                                 {
 650                                         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 651                                         [o_t5_matrix_encap selectCellAtRow:5 column:0];
 652                                 }
 653                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
 654                                 {
 655                                         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 656                                         [o_t5_matrix_encap selectCellAtRow:6 column:0];
 657                                 }
 658                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
 659                                 {
 660                                         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 661                                         [o_t5_matrix_encap selectCellAtRow:7 column:0];
 662                                 }
 663                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
 664                                 {
 665                                         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 666                                         [o_t5_matrix_encap selectCellAtRow:8 column:0];
 667                                 }
 668                                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
 669                                 {
 670                                         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 671                                         [o_t5_matrix_encap selectCellAtRow:9 column:0];
 672                                 }
 673                         }
 674                 }
 675                 else if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
 676                 {
 677                         /* we are just transcoding the video */
 678
 679                         /* select formats supported by the video-codec */
 680
 681                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
 682                         {
 683                                 [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 684                                 [o_t5_matrix_encap selectCellAtRow:0 column:0];
 685                         }
 686                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
 687                         {
 688                                 [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 689                                 [o_t5_matrix_encap selectCellAtRow:1 column:0];
 690                         }
 691                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
 692                         {
 693                                 [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 694                                 [o_t5_matrix_encap selectCellAtRow:2 column:0];
 695                         }
 696                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
 697                         {
 698                                 [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 699                                 [o_t5_matrix_encap selectCellAtRow:3 column:0];
 700                         }
 701                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
 702                         {
 703                                 [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 704                                 [o_t5_matrix_encap selectCellAtRow:4 column:0];
 705                         }
 706                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
 707                         {
 708                                 [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 709                                 [o_t5_matrix_encap selectCellAtRow:5 column:0];
 710                         }
 711                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
 712                         {
 713                                 [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 714                                 [o_t5_matrix_encap selectCellAtRow:6 column:0];
 715                         }
 716                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
 717                         {
 718                                 [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 719                                 [o_t5_matrix_encap selectCellAtRow:7 column:0];
 720                         }
 721                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
 722                         {
 723                                 [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 724                                 [o_t5_matrix_encap selectCellAtRow:8 column:0];
 725                         }
 726                         if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
 727                         {
 728                                 [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 729                                 [o_t5_matrix_encap selectCellAtRow:9 column:0];
 730                         }
 731                 } else {
 732                         /* we don't do any transcoding
 733                          * -> enabled the encap-formats allowed when streaming content via http
 734                          * since this should work fine in most cases */
 735                         /* FIXME: choose a selection of encap-formats based upon the actually used codecs */
 736
 737                         /* enable MPEG PS, MPEG TS, MPEG 1, OGG, RAW and ASF; select MPEG PS */
 738                         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 739                         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 740                         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 741                         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 742                         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 743                         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 744                         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
 745                         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
 746                         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
 747                         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
 748                         [o_t5_matrix_encap selectCellAtRow:0 column:0];
 749                 }
 750                 int x;
 751                 BOOL anythingEnabled;
 752                 x = 0;
 753                 anythingEnabled = NO;
 754                 while (x != [o_t5_matrix_encap numberOfRows])
 755                 {
 756                         if ([[o_t5_matrix_encap cellAtRow:x column:0] isEnabled])
 757                         {
 758                                 anythingEnabled = YES;
 759                         }
 760                         x = (x + 1);
 761                 }
 762                 if (anythingEnabled == YES)
 763                 {
 764                 [o_tab_pageHolder selectTabViewItemAtIndex:4];
 765                 } else {
 766                     /* show a sheet that the selected codecs are not compatible */
 767                         [o_wh_txt_title setStringValue: _NS("Invalid selection")];
 768                         [o_wh_txt_text setStringValue: _NS("Your chosen codecs are " \
 769                                 "not compatible with each other. For example: you cannot " \
 770                                 "mix uncompressed audio with any video codec.\n\n" \
 771                                 "Correct your selection and try again.")];
 772                         [NSApp beginSheet: o_wizardhelp_window
 773                                 modalForWindow: o_wizard_window
 774                                 modalDelegate: o_wizardhelp_window
 775                                 didEndSelector: nil
 776                                 contextInfo: nil];
 777                 }
 778
 779         }
 780         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Encap"])
 781         {
 782                 /* get the chosen encap format and store it */
 783                 NSNumber * theNum;
 784                 theNum = [NSNumber numberWithInt:[[o_t5_matrix_encap selectedCell] tag]];
 785                 [o_userSelections setObject:[theNum stringValue] forKey:@"encapFormat"];
 786
 787                 /* show either "Streaming 2" or "Transcode 2" to the user */
 788                 if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
 789                 {
 790                         /* we are streaming */
 791                         [o_tab_pageHolder selectTabViewItemAtIndex:5];
 792                 }else{
 793                         /* we are just transcoding */
 794                         [o_tab_pageHolder selectTabViewItemAtIndex:6];
 795                 }
 796         }
 797         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Streaming 2"])
 798         {
 799                 /* store the chosen TTL */
 800                 [o_userSelections setObject:[o_t6_fld_ttl stringValue] forKey:@"ttl"];
 801
 802                 /* check whether SAP is enabled and store the announce, if needed */
 803                 if ([o_t6_ckb_sap state] == NSOnState)
 804                 {
 805                         [o_userSelections setObject:@"YES" forKey:@"sap"];
 806                         [o_userSelections setObject:[o_t6_fld_sap stringValue] forKey:@"sapText"];
 807                 } else {
 808                         [o_userSelections setObject:@"NO" forKey:@"sap"];
 809                 }
 810
 811                 /* go to "Summary" */
 812                 [self showSummary];
 813         }
 814         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Transcode 2"])
 815         {
 816                 /* check whether the path != "" and store it */
 817                 if( [[o_t7_fld_filePath stringValue] isEqualToString: @""] )
 818                 {       /* complain to the user that "" is no valid path */
 819                         [o_wh_txt_title setStringValue: _NS("No file selected")];
 820                         [o_wh_txt_text setStringValue: _NS("You you need to select " \
 821                         "a file, you want to save to. \n\n Enter either a valid path or " \
 822                         "choose a location through the button's dialog-box.")];
 823                         [NSApp beginSheet: o_wizardhelp_window
 824                                 modalForWindow: o_wizard_window
 825                                 modalDelegate: o_wizardhelp_window
 826                                 didEndSelector: nil
 827                                 contextInfo: nil];
 828                 } else {
 829                         [o_userSelections setObject:[o_t7_fld_filePath stringValue] forKey:@"trnscdFilePath"];
 830
 831                         /* go to "Summary" */
 832                         [self showSummary];
 833                 }
 834         }
 835 }
 836
 837 - (void)showSummary
 838 {
 839         [o_btn_forward setTitle: _NS("Finish")];
 840         if ([[o_userSelections objectForKey:@"newStrm"] isEqualToString: @"YES"])
 841         {
 842                 [o_t8_fld_inptStream setStringValue:[o_userSelections objectForKey:@"pathToNewStrm"]];
 843         } else {
 844                 [o_t8_fld_inptStream setStringValue:[[o_userSelections objectForKey:@"plItemIndex"] stringValue]];
 845         }
 846         if ([[o_userSelections objectForKey:@"partExtract"] isEqualToString: @"YES"])
 847         {
 848                 [o_t8_fld_partExtract setStringValue: [[[[[_NS("yes") stringByAppendingString:@" - "] stringByAppendingString: _NS("from ")] stringByAppendingString: [o_userSelections objectForKey:@"partExtractFrom"]] stringByAppendingString: _NS(" to ")] stringByAppendingString: [o_userSelections objectForKey:@"partExtractTo"]]];
 849         } else {
 850                 [o_t8_fld_partExtract setStringValue: _NS("no")];
 851         }
 852
 853         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
 854         {
 855                 /* we are streaming; no transcoding allowed atm */
 856                 [o_t8_fld_saveFileTo setStringValue: @"-"];
 857                 [o_t8_fld_trnscdAudio setStringValue: @"-"];
 858                 [o_t8_fld_trnscdVideo setStringValue: @"-"];
 859                 [o_t8_fld_strmgMthd setStringValue: [o_userSelections objectForKey:@"stmgMhd"]];
 860                 [o_t8_fld_destination setStringValue: [o_userSelections objectForKey:@"stmgDest"]];
 861                 [o_t8_fld_ttl setStringValue: [o_userSelections objectForKey:@"ttl"]];
 862                 if ([[o_userSelections objectForKey:@"sap"] isEqualToString: @"YES"])
 863                 {
 864                         [o_t8_fld_sap setStringValue: [[_NS("yes") stringByAppendingString:@": "] stringByAppendingString:[o_userSelections objectForKey:@"sapText"]]];
 865                 }else{
 866                         [o_t8_fld_sap setStringValue: _NS("no")];
 867                 }
 868         } else {
 869                 /* we are transcoding */
 870                 [o_t8_fld_strmgMthd setStringValue: @"-"];
 871                 [o_t8_fld_destination setStringValue: @"-"];
 872                 [o_t8_fld_ttl setStringValue: @"-"];
 873                 [o_t8_fld_sap setStringValue: @"-"];
 874                 if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
 875                 {
 876                         [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"]];
 877                 }else{
 878                         [o_t8_fld_trnscdVideo setStringValue: _NS("no")];
 879                 }
 880                 if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
 881                 {
 882                         [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"]];
 883                 }else{
 884                         [o_t8_fld_trnscdAudio setStringValue: _NS("no")];
 885                 }
 886                 [o_t8_fld_saveFileTo setStringValue: [o_userSelections objectForKey:@"trnscdFilePath"]];
 887         }
 888         [o_t8_fld_encapFormat setStringValue: [[o_encapFormats objectAtIndex:[[o_userSelections objectForKey:@"encapFormat"] intValue]] objectAtIndex:1]];
 889
 890         [self createMrl];
 891         [o_t8_fld_mrl setStringValue: o_mrl];
 892
 893         [o_tab_pageHolder selectTabViewItemAtIndex:7];
 894 }
 895
 896 - (void) createMrl
 897 {
 898         NSMutableString * o_mrl_string = [NSMutableString stringWithString:@""];
 899         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
 900                 {
 901                         /* we are streaming, no transcoding allowed atm */
 902                         /* FIXME: implementation missing */
 903                 } else {
 904                         /* we are just transcoding and dumping the stuff to a file */
 905                         NSMutableString *o_trnscdCmd = [NSMutableString stringWithString:@""];
 906                         if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
 907                         {
 908                                 [o_trnscdCmd appendString: @"transcode{"];
 909                                 [o_trnscdCmd appendFormat: @"vcodec=%s,vb=%i", [[[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] objectAtIndex:1] UTF8String],  [[o_userSelections objectForKey:@"trnscdVideoBitrate"] intValue]];
 910                                 if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
 911                                 {
 912                                         [o_trnscdCmd appendString: @","];
 913                                 } else
 914                                 {
 915                                         [o_trnscdCmd appendString: @"}:"];
 916                                 }
 917                         }
 918                         if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
 919                         {
 920                                 if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"NO"])
 921                                 {
 922                                         /* in case we transcode the audio only, add this */
 923                                         [o_trnscdCmd appendString: @"transcode{"];
 924                                 }
 925                                 [o_trnscdCmd appendFormat: @"acodec=%s,ab=%i}:", [[[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] objectAtIndex:1] UTF8String],  [[o_userSelections objectForKey:@"trnscdAudioBitrate"] intValue]];
 926                         }
 927                         [o_mrl_string appendFormat:
 928                         @":sout=#%sstandard{mux=%s,url=%s,access=file}", [o_trnscdCmd UTF8String],
 929                         [[[o_encapFormats objectAtIndex:[[o_userSelections objectForKey:@"encapFormat"] intValue]] objectAtIndex:0] UTF8String], [[o_userSelections objectForKey:@"trnscdFilePath"] UTF8String]];
 930                 }
 931
 932         o_mrl = [[NSString alloc] initWithString: o_mrl_string];
 933 }
 934
 935 - (IBAction)prevTab:(id)sender
 936 {
 937     if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Summary"])
 938         {
 939                 /* check whether we are streaming or transcoding and go back */
 940                 if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
 941                 {
 942                         /* show "Streaming 2" */
 943                         [o_tab_pageHolder selectTabViewItemAtIndex:5];
 944                 }else{
 945                         /* show "Transcode 2" */
 946                         [o_tab_pageHolder selectTabViewItemAtIndex:6];
 947                 }
 948                 /* rename the forward-button */
 949                 [o_btn_forward setTitle: [_NS("Next") stringByAppendingString:@" >"]];
 950         }
 951         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Transcode 2"])
 952         {
 953                 /* show "Encap" */
 954                 [o_tab_pageHolder selectTabViewItemAtIndex:4];
 955         }
 956         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Streaming 2"])
 957         {
 958                 /* show "Encap" */
 959                 [o_tab_pageHolder selectTabViewItemAtIndex:4];
 960         }
 961         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Encap"])
 962         {
 963                 /* check whether we are streaming or transcoding and go back */
 964                 if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
 965                 {
 966                         /* show "Streaming 1" */
 967                         [o_tab_pageHolder selectTabViewItemAtIndex:2];
 968                 }else{
 969                         /* show "Transcode 2" */
 970                         [o_tab_pageHolder selectTabViewItemAtIndex:3];
 971                 }
 972         }
 973         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Streaming 1"])
 974         {
 975                 /* show "Input" */
 976                 [o_tab_pageHolder selectTabViewItemAtIndex:1];
 977         }
 978         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Transcode 1"])
 979         {
 980                 /* show "Input" */
 981                 [o_tab_pageHolder selectTabViewItemAtIndex:1];
 982         }
 983         else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Input"])
 984         {
 985                 /* show "Hello" */
 986                 [o_tab_pageHolder selectTabViewItemAtIndex:0];
 987                 /* disable backwards-btn */
 988                 [o_btn_backward setEnabled:NO];
 989         }
 990 }
 991
 992 - (IBAction)t1_mrInfo_streaming:(id)sender
 993 {
 994     /* show a sheet for the help */
 995         /* since NSAlert does not exist on OSX < 10.3, we use our own implementation */
 996         [o_wh_txt_title setStringValue: _NS("Stream to network")];
 997         [o_wh_txt_text setStringValue: _NS("Use this to stream on a network.")];
 998         [NSApp beginSheet: o_wizardhelp_window
 999             modalForWindow: o_wizard_window
1000             modalDelegate: o_wizardhelp_window
1001             didEndSelector: nil
1002             contextInfo: nil];
1003 }
1004
1005 - (IBAction)t1_mrInfo_transcode:(id)sender
1006 {
1007     /* show a sheet for the help */
1008         [o_wh_txt_title setStringValue: _NS("Transcode/Save to file")];
1009         [o_wh_txt_text setStringValue: _NS("Use this to save a stream to a file. You "\
1010                 "have the possibility to reencode the stream. You can save whatever "\
1011                 "VLC can read.\nPlease notice that VLC is not very suited " \
1012                 "for file to file transcoding. You should use its transcoding " \
1013         "features to save network streams, for example.")];
1014         [NSApp beginSheet: o_wizardhelp_window
1015             modalForWindow: o_wizard_window
1016             modalDelegate: o_wizardhelp_window
1017             didEndSelector: nil
1018             contextInfo: nil];
1019 }
1020
1021 - (IBAction)t2_addNewStream:(id)sender
1022 {
1023     NSOpenPanel * openPanel = [NSOpenPanel openPanel];
1024     SEL sel = @selector(t2_getNewStreamFromDialog:returnCode:contextInfo:);
1025     [openPanel beginSheetForDirectory:nil file:nil types:nil modalForWindow:o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1026 }
1027
1028 - (void)t2_getNewStreamFromDialog: (NSOpenPanel *)sheet returnCode: (int)returnCode contextInfo: (void *)contextInfo
1029 {
1030     if (returnCode == NSOKButton)
1031     {
1032         [o_t2_fld_pathToNewStrm setStringValue:[sheet filename]];
1033     }
1034 }
1035
1036 - (IBAction)t2_chooseStreamOrPlst:(id)sender
1037 {
1038     /* enable and disable the respective items depending on user's choice */
1039     NSString *o_mode;
1040     o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
1041
1042         if( [o_mode isEqualToString: _NS("Select a stream")] )
1043     {
1044                 [o_t2_btn_chooseFile setEnabled:YES];
1045                 [o_t2_fld_pathToNewStrm setEnabled:YES];
1046                 [o_t2_tbl_plst setEnabled:NO];
1047         } else {
1048                 [o_t2_btn_chooseFile setEnabled:NO];
1049                 [o_t2_fld_pathToNewStrm setEnabled:NO];
1050                 [o_t2_tbl_plst setEnabled:YES];
1051         }
1052 }
1053
1054 - (IBAction)t2_enableExtract:(id)sender
1055 {
1056     /* enable/disable the respective items */
1057     if([o_t2_ckb_enblPartExtrct state] == NSOnState)
1058     {
1059         [o_t2_fld_prtExtrctFrom setEnabled:YES];
1060         [o_t2_fld_prtExtrctTo setEnabled:YES];
1061     } else {
1062         [o_t2_fld_prtExtrctFrom setEnabled:NO];
1063         [o_t2_fld_prtExtrctTo setEnabled:NO];
1064                 [o_t2_fld_prtExtrctFrom setStringValue:@""];
1065                 [o_t2_fld_prtExtrctTo setStringValue:@""];
1066     }
1067 }
1068
1069 - (IBAction)t3_addressEntered:(id)sender
1070 {
1071     /* check whether the entered address is valid */
1072 }
1073
1074 - (IBAction)t3_strmMthdChanged:(id)sender
1075 {
1076         /* change the captions of o_t3_txt_destInfo according to the chosen
1077          * streaming method */
1078         NSNumber * o_mode;
1079         o_mode = [[NSNumber alloc] initWithInt:[[o_t3_matrix_stmgMhd selectedCell] tag]];
1080         if( [o_mode intValue] == 2 )
1081         {
1082                 [o_t3_txt_destInfo setStringValue: _NS("Enter the local addresses you " \
1083                         "want to listen to. Do not enter anything if you want to listen " \
1084                         "to all adresses or if you don't understand. This is generally " \
1085                         "the best thing to do. Other computers can then access the stream " \
1086                         "at http://yourip:8080 by default") ];
1087                 [o_t3_txt_strgMthdInfo setStringValue: _NS("Use this to stream to " \
1088                         "several computers. This method is less efficient, as the server " \
1089                         "needs to send several times the stream.")];
1090         }
1091         else if( [o_mode intValue] == 1 )
1092         {
1093                 [o_t3_txt_destInfo setStringValue: _NS("Enter the multicast address " \
1094                         "to stream to in this field.  This must be an IP address between " \
1095                         "224.0.0.0 an 239.255.255.255  For a private use, enter an " \
1096                         "address beginning with 239.255")];
1097                 [o_t3_txt_strgMthdInfo setStringValue: _NS("Use this to stream to a " \
1098                         "dynamic group of computers on a multicast-enabled network. This " \
1099                         "is the most efficient method to stream to several computers, but " \
1100                         "it does not work over Internet.")];
1101         }
1102         else if( [o_mode intValue] == 0 )
1103         {
1104                 [o_t3_txt_destInfo setStringValue: _NS("Enter the address of the " \
1105                         "computer to stream to")];
1106                 [o_t3_txt_strgMthdInfo setStringValue: _NS("Use this to stream to a " \
1107                         "single computer")];
1108         }
1109         [o_mode release];
1110 }
1111
1112 - (IBAction)t4_AudCdcChanged:(id)sender
1113 {
1114     /* update codec info */
1115         [o_t4_txt_hintAudio setStringValue:[[o_audioCodecs objectAtIndex:[o_t4_pop_audioCodec indexOfSelectedItem]] objectAtIndex:2]];
1116 }
1117
1118 - (IBAction)t4_enblAudTrnscd:(id)sender
1119 {
1120     /* enable/disable the respective items */
1121     if([o_t4_ckb_audio state] == NSOnState)
1122     {
1123         [o_t4_pop_audioCodec setEnabled:YES];
1124         [o_t4_pop_audioBitrate setEnabled:YES];
1125                 [o_t4_txt_hintAudio setStringValue: _NS("Select your audio codec. "\
1126                 "Click one to get more information.")];
1127     } else {
1128         [o_t4_pop_audioCodec setEnabled:NO];
1129         [o_t4_pop_audioBitrate setEnabled:NO];
1130                 [o_t4_txt_hintAudio setStringValue: _NS("If your stream has audio " \
1131                 "and you want to transcode it, enable this.")];
1132     }
1133 }
1134
1135 - (IBAction)t4_enblVidTrnscd:(id)sender
1136 {
1137     /* enable/disable the respective items */
1138     if([o_t4_ckb_video state] == NSOnState)
1139     {
1140         [o_t4_pop_videoCodec setEnabled:YES];
1141         [o_t4_pop_videoBitrate setEnabled:YES];
1142                 [o_t4_txt_hintVideo setStringValue: _NS("Select your video codec. "\
1143                 "Click one to get more information.")];
1144     } else {
1145         [o_t4_pop_videoCodec setEnabled:NO];
1146         [o_t4_pop_videoBitrate setEnabled:NO];
1147                 [o_t4_txt_hintVideo setStringValue: _NS("If your stream has video " \
1148                 "and you want to transcode it, enable this.")];
1149     }
1150 }
1151
1152 - (IBAction)t4_VidCdcChanged:(id)sender
1153 {
1154     /* update codec info */
1155         [o_t4_txt_hintVideo setStringValue:[[o_videoCodecs objectAtIndex:[o_t4_pop_videoCodec indexOfSelectedItem]] objectAtIndex:2]];
1156 }
1157
1158 - (IBAction)t6_enblSapAnnce:(id)sender
1159 {
1160     /* enable/disable input fld */
1161     if([o_t6_ckb_sap state] == NSOnState)
1162     {
1163         [o_t6_fld_sap setEnabled:YES];
1164     } else {
1165         [o_t6_fld_sap setEnabled:NO];
1166         [o_t6_fld_sap setStringValue:@""];
1167     }
1168 }
1169
1170 - (IBAction)t6_mrInfo_ttl:(id)sender
1171 {
1172     /* show a sheet for the help */
1173         [o_wh_txt_title setStringValue: _NS("Time-To-Live (TTL)")];
1174         [o_wh_txt_text setStringValue: _NS("Define the TTL (Time-To-Live) of the stream. "\
1175                         "This parameter is the maximum number of routers your stream can go "
1176                         "through. If you don't know what it means, or if you want to stream on " \
1177                         "your local network only, leave this setting to 1.")];
1178         [NSApp beginSheet: o_wizardhelp_window
1179             modalForWindow: o_wizard_window
1180             modalDelegate: o_wizardhelp_window
1181             didEndSelector: nil
1182             contextInfo: nil];
1183 }
1184
1185 - (IBAction)t6_mrInfo_sap:(id)sender
1186 {
1187     /* show a sheet for the help */
1188         [o_wh_txt_title setStringValue: _NS("SAP Announce")];
1189         [o_wh_txt_text setStringValue: _NS("When streaming using UDP, you can " \
1190                 "announce your streams using the SAP/SDP announcing protocol. This " \
1191                 "way, the clients won't have to type in the multicast address, it " \
1192                 "will appear in their playlist if they enable the SAP extra interface.\n" \
1193                 "If you want to give a name to your stream, enter it here, " \
1194                 "else, a default name will be used.")];
1195         [NSApp beginSheet: o_wizardhelp_window
1196             modalForWindow: o_wizard_window
1197             modalDelegate: o_wizardhelp_window
1198             didEndSelector: nil
1199             contextInfo: nil];
1200 }
1201
1202 - (IBAction)t7_selectTrnscdDestFile:(id)sender
1203 {
1204     /* provide a save-to-dialogue, so the user can choose a location for his/her new file */
1205     NSSavePanel * savePanel = [NSSavePanel savePanel];
1206     SEL sel = @selector(t7_getTrnscdDestFile:returnCode:contextInfo:);
1207         [savePanel setRequiredFileType:[[o_encapFormats objectAtIndex:[[o_userSelections objectForKey:@"encapFormat"] intValue]] objectAtIndex:0]];
1208         [savePanel setCanSelectHiddenExtension:YES];
1209     [savePanel beginSheetForDirectory:nil file:nil modalForWindow:o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1210 }
1211
1212 - (void)t7_getTrnscdDestFile: (NSSavePanel *)sheet returnCode: (int)returnCode contextInfo: (void *)contextInfo
1213 {
1214     if (returnCode == NSOKButton)
1215     {
1216                 /* add a suffix depending on the chosen encap-format and output path to text-field*/
1217         [o_t7_fld_filePath setStringValue:[sheet filename]];
1218     }
1219 }
1220
1221 - (IBAction)wh_closeSheet:(id)sender
1222 {
1223         /* close the help sheet */
1224         [NSApp endSheet:o_wizardhelp_window];
1225         [o_wizardhelp_window close];
1226 }
1227
1228 - (void)dealloc
1229 {
1230         [o_userSelections release];
1231         [o_videoCodecs release];
1232         [o_audioCodecs release];
1233         [o_encapFormats release];
1234         [super dealloc];
1235 }
1236
1237 @end