git.sesse.net Git - vlc/blob - modules/gui/macosx/wizard.m

   1 /*****************************************************************************
   2  * wizard.m: MacOS X Streaming Wizard
   3  *****************************************************************************
   4  * Copyright (C) 2005-2006 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24
  25 /*****************************************************************************
  26  * Note: this code is partially based upon ../wxwidgets/wizard.cpp and
  27  *         ../wxwidgets/streamdata.h; both written by Clément Stenac.
  28  *****************************************************************************/
  29
  30
  31 /*****************************************************************************
  32  * Preamble
  33  *****************************************************************************/
  34 #import "wizard.h"
  35 #import "intf.h"
  36 #import "network.h"
  37 #import "playlist.h"
  38 #import <vlc/intf.h>
  39
  40 /*****************************************************************************
  41  * VLCWizard implementation
  42  *****************************************************************************/
  43
  44 @implementation VLCWizard
  45
  46 static VLCWizard *_o_sharedInstance = nil;
  47
  48 + (VLCWizard *)sharedInstance
  49 {
  50     return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
  51 }
  52
  53 - (id)init
  54 {
  55     if (_o_sharedInstance) {
  56         [self dealloc];
  57     } else {
  58         _o_sharedInstance = [super init];
  59     }
  60
  61     return _o_sharedInstance;
  62 }
  63
  64 - (void)dealloc
  65 {
  66     [o_userSelections release];
  67     [o_videoCodecs release];
  68     [o_audioCodecs release];
  69     [o_encapFormats release];
  70     [super dealloc];
  71 }
  72
  73 - (void)awakeFromNib
  74 {
  75     /* some minor cleanup */
  76     [o_t2_tbl_plst setEnabled:NO];
  77     o_userSelections = [[NSMutableDictionary alloc] init];
  78     [o_btn_backward setEnabled:NO];
  79
  80     /* add audio-bitrates for transcoding */
  81     NSArray * audioBitratesArray;
  82     audioBitratesArray = [NSArray arrayWithObjects: @"512", @"256", @"192", \
  83         @"128", @"64", @"32", @"16", nil ];
  84     [o_t4_pop_audioBitrate removeAllItems];
  85     [o_t4_pop_audioBitrate addItemsWithTitles: audioBitratesArray];
  86     [o_t4_pop_audioBitrate selectItemWithTitle: @"192"];
  87
  88     /* add video-bitrates for transcoding */
  89     NSArray * videoBitratesArray;
  90     videoBitratesArray = [NSArray arrayWithObjects: @"3072", @"2048", @"1024", \
  91         @"768", @"512", @"256", @"192", @"128", @"64", @"32", @"16", nil ];
  92     [o_t4_pop_videoBitrate removeAllItems];
  93     [o_t4_pop_videoBitrate addItemsWithTitles: videoBitratesArray];
  94     [o_t4_pop_videoBitrate selectItemWithTitle: @"1024"];
  95
  96     /* fill 2 global arrays with arrays containing all codec-related information
  97      * - one array per codec named by its short name to define the encap-compability,
  98      *     cmd-names, real names, more info in the order: realName, shortName,
  99      *     moreInfo, encaps */
 100     NSArray * o_mp1v;
 101     NSArray * o_mp2v;
 102     NSArray * o_mp4v;
 103     NSArray * o_div1;
 104     NSArray * o_div2;
 105     NSArray * o_div3;
 106     NSArray * o_h263;
 107     NSArray * o_h264;
 108     NSArray * o_wmv1;
 109     NSArray * o_wmv2;
 110     NSArray * o_mjpg;
 111     NSArray * o_theo;
 112     NSArray * o_dummyVid;
 113     o_mp1v = [NSArray arrayWithObjects: @"MPEG-1 Video", @"mp1v", \
 114         _NS("MPEG-1 Video codec (usable with MPEG PS, MPEG TS, MPEG1, OGG " \
 115         "and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_OGG", @"MUX_RAW", \
 116         @"NO", @"NO", @"NO", @"NO", nil];
 117     o_mp2v = [NSArray arrayWithObjects: @"MPEG-2 Video", @"mp2v", \
 118         _NS("MPEG-2 Video codec (usable with MPEG PS, MPEG TS, MPEG1, OGG " \
 119         "and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_OGG", @"MUX_RAW", \
 120         @"NO", @"NO", @"NO", @"NO", nil];
 121     o_mp4v = [NSArray arrayWithObjects: @"MPEG-4 Video", @"mp4v", \
 122         _NS("MPEG-4 Video codec (useable with MPEG PS, MPEG TS, MPEG1, ASF, " \
 123         "MP4, OGG and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", \
 124         @"MUX_MP4", @"MUX_OGG", @"MUX_RAW", @"NO", @"NO", nil];
 125     o_div1 = [NSArray arrayWithObjects: @"DIVX 1", @"DIV1", \
 126         _NS("DivX first version (useable with MPEG TS, MPEG1, ASF and OGG)"), \
 127         @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO", \
 128         @"NO", @"NO", nil];
 129     o_div2 = [NSArray arrayWithObjects: @"DIVX 2", @"DIV2", \
 130         _NS("DivX second version (useable with MPEG TS, MPEG1, ASF and OGG)"), \
 131         @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO", \
 132         @"NO", @"NO", nil];
 133     o_div3 = [NSArray arrayWithObjects: @"DIVX 3", @"DIV3", \
 134         _NS("DivX third version (useable with MPEG TS, MPEG1, ASF and OGG)"), \
 135         @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO", \
 136         @"NO", @"NO", nil];
 137     o_h263 = [NSArray arrayWithObjects: @"H.263", @"h263", \
 138         _NS("H263 is a video codec optimized for videoconference " \
 139         "(low rates, useable with MPEG TS)"), @"MUX_TS", @"NO", @"NO", @"NO", \
 140         @"NO", @"NO", @"NO", @"NO", @"NO", nil];
 141     o_h264 = [NSArray arrayWithObjects: @"H.264", @"h264", \
 142         _NS("H264 is a new video codec (useable with MPEG TS and MP4)"), \
 143         @"MUX_TS", @"MUX_MP4", @"NO", @"NO", @"NO", @"NO", @"NO", @"NO", \
 144         @"NO", nil];
 145     o_wmv1 = [NSArray arrayWithObjects: @"WMV 1", @"WMV1", \
 146         _NS("WMV (Windows Media Video) 1 (useable with MPEG TS, MPEG1, ASF and " \
 147         "OGG)"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", \
 148         @"NO", @"NO", @"NO", nil];
 149     o_wmv2 = [NSArray arrayWithObjects: @"WMV 2", @"WMV2", \
 150         _NS("WMV (Windows Media Video) 2 (useable with MPEG TS, MPEG1, ASF and " \
 151         "OGG)"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", \
 152         @"NO", @"NO", @"NO", nil];
 153     o_mjpg = [NSArray arrayWithObjects: @"MJPEG", @"MJPG", \
 154         _NS("MJPEG consists of a series of JPEG pictures (useable with MPEG TS," \
 155         " MPEG1, ASF and OGG)"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", \
 156         @"NO", @"NO", @"NO", @"NO", @"NO", nil];
 157     o_theo = [NSArray arrayWithObjects: @"Theora", @"theo", \
 158         _NS("Theora is a free general-purpose codec (useable with MPEG TS)"), \
 159         @"MUX_TS", @"NO", @"NO", @"NO", @"NO", @"NO", @"NO", @"NO", @"NO", nil];
 160     o_dummyVid = [NSArray arrayWithObjects: @"Dummy", @"dummy", \
 161         _NS("Dummy codec (do not transcode, useable with all encapsulation " \
 162         "formats)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_MP4", \
 163         @"MUX_OGG", @"MUX_WAV", @"MUX_RAW", @"MUX_MOV", nil];
 164     o_videoCodecs = [[NSArray alloc] initWithObjects: o_mp1v, o_mp2v, o_mp4v, \
 165         o_div1, o_div2, o_div3, o_h263, o_h264, o_wmv1, o_wmv2, o_mjpg, o_theo, \
 166         o_dummyVid, nil];
 167
 168
 169     NSArray * o_mpga;
 170     NSArray * o_mp3;
 171     NSArray * o_mp4a;
 172     NSArray * o_a52;
 173     NSArray * o_vorb;
 174     NSArray * o_flac;
 175     NSArray * o_spx;
 176     NSArray * o_s16l;
 177     NSArray * o_fl32;
 178     NSArray * o_dummyAud;
 179     o_mpga = [NSArray arrayWithObjects: @"MPEG Audio", @"mpga", \
 180         _NS("The standard MPEG audio (1/2) format (useable with MPEG PS, MPEG TS, " \
 181         "MPEG1, ASF, OGG and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", \
 182         @"MUX_ASF", @"MUX_OGG", @"MUX_RAW", @"-1", @"-1", @"-1", nil];
 183     o_mp3 = [NSArray arrayWithObjects: @"MP3", @"mp3", \
 184         _NS("MPEG Audio Layer 3 (useable with MPEG PS, MPEG TS, MPEG1, ASF, OGG " \
 185         "and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", \
 186         @"MUX_RAW", @"-1", @"-1", @"-1", nil];
 187     o_mp4a = [NSArray arrayWithObjects: @"MPEG 4 Audio", @"mp4a", \
 188         _NS("Audio format for MPEG4 (useable with MPEG TS and MPEG4)"), @"MUX_TS", \
 189         @"MUX_MP4", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
 190     o_a52 = [NSArray arrayWithObjects: @"A/52", @"a52",
 191         _NS("DVD audio format (useable with MPEG PS, MPEG TS, MPEG1, ASF, OGG " \
 192         "and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", \
 193         @"MUX_RAW", @"-1", @"-1", @"-1", nil];
 194     o_vorb = [NSArray arrayWithObjects: @"Vorbis", @"vorb", \
 195         _NS("Vorbis is a free audio codec (useable with OGG)"), @"MUX_OGG", \
 196         @"-1",  @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
 197     o_flac = [NSArray arrayWithObjects: @"FLAC", @"flac", \
 198         _NS("FLAC is a lossless audio codec (useable with OGG and RAW)"), \
 199         @"MUX_OGG", @"MUX_RAW", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", \
 200         @"-1", nil];
 201     o_spx = [NSArray arrayWithObjects: @"Speex", @"spx", \
 202         _NS("A free audio codec dedicated to compression of voice (useable " \
 203         "with OGG)"), @"MUX_OGG", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", \
 204         @"-1", @"-1", nil];
 205     o_s16l = [NSArray arrayWithObjects: @"Uncompressed, integer", @"s16l", \
 206         _NS("Uncompressed audio samples (useable with WAV)"), @"MUX_WAV", \
 207         @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
 208     o_fl32 = [NSArray arrayWithObjects: @"Uncompressed, floating", @"fl32", \
 209         _NS("Uncompressed audio samples (useable with WAV)"), @"MUX_WAV", \
 210         @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
 211     o_dummyAud = [NSArray arrayWithObjects: @"Dummy", @"dummy", \
 212         _NS("Dummy codec (do not transcode, useable with all encapsulation " \
 213         "formats)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_MP4", \
 214         @"MUX_OGG", @"MUX_RAW", @"MUX_MOV", @"MUX_WAV", nil];
 215     o_audioCodecs = [[NSArray alloc] initWithObjects: o_mpga, o_mp3, o_mp4a, \
 216         o_a52, o_vorb, o_flac, o_spx, o_s16l, o_fl32, o_dummyAud, nil];
 217
 218
 219     /* fill another global array with all information about the encap-formats
 220      * note that the order of the formats inside the g. array is the same as on
 221      * the encap-tab */
 222     NSArray * o_ps;
 223     NSArray * o_ts;
 224     NSArray * o_mpeg;
 225     NSArray * o_ogg;
 226     NSArray * o_raw;
 227     NSArray * o_asf;
 228     NSArray * o_avi;
 229     NSArray * o_mp4;
 230     NSArray * o_mov;
 231     NSArray * o_wav;
 232     NSArray * o_asfh;
 233     o_ps = [NSArray arrayWithObjects: @"ps", @"MPEG PS", \
 234         _NS("MPEG Program Stream"), @"mpg", nil];
 235     o_ts = [NSArray arrayWithObjects: @"ts", @"MPEG TS", \
 236         _NS("MPEG Transport Stream"), nil];
 237     o_mpeg = [NSArray arrayWithObjects: @"ps", @"MPEG 1", \
 238         _NS("MPEG 1 Format"), @"mpg", nil];
 239     o_ogg = [NSArray arrayWithObjects: @"ogg", @"OGG", @"OGG", nil];
 240     o_raw = [NSArray arrayWithObjects: @"raw", @"RAW", @"RAW", nil];
 241     o_asf = [NSArray arrayWithObjects: @"asf", @"ASF", @"ASF", nil];
 242     o_avi = [NSArray arrayWithObjects: @"avi", @"AVI", @"AVI", nil];
 243     o_mp4 = [NSArray arrayWithObjects: @"mp4", @"MP4", @"MPEG4", nil];
 244     o_mov = [NSArray arrayWithObjects: @"mov", @"MOV", @"MOV", nil];
 245     o_wav = [NSArray arrayWithObjects: @"wav", @"WAV", @"WAV", nil];
 246     o_asfh = [NSArray arrayWithObjects: @"asfh", @"ASFH", @"ASFH", nil];
 247     o_encapFormats = [[NSArray alloc] initWithObjects: o_ps, o_ts, o_mpeg, \
 248         o_ogg, o_raw, o_asf, o_avi, o_mp4, o_mov, o_wav, o_asfh, nil];
 249
 250     /* yet another array on streaming methods including help texts */
 251     NSArray * o_http;
 252     NSArray * o_mms;
 253     NSArray * o_udp_uni;
 254     NSArray * o_udp_multi;
 255     NSArray * o_rtp_uni;
 256     NSArray * o_rtp_multi;
 257     o_http = [NSArray arrayWithObjects: @"http", @"HTTP", _NS("Enter the local " \
 258         "addresses you want to listen to. Do not enter anything if you want to " \
 259         "listen to all adresses or if you don't understand. This is generally " \
 260         "the best thing to do. Other computers can then access the stream at " \
 261         "http://yourip:8080 by default.") , _NS("Use this to stream to several " \
 262         "computers. This method is less efficient, as the server needs to send " \
 263         "the stream several times."), nil];
 264     o_mms = [NSArray arrayWithObjects: @"mmsh", @"MMS", _NS("Enter the local " \
 265         "addresses you want to listen to. Do not enter anything if you want to " \
 266         "listen to all adresses or if you don't understand. This is generally " \
 267         "the best thing to do. Other computers can then access the stream at " \
 268         "mms://yourip:8080 by default."), _NS("Use this to stream to several " \
 269         "computers using the Microsoft MMS protocol. This protocol is used as " \
 270         "transport method by many Microsoft's softwares. Note that only a " \
 271         "small part of the MMS protocol is supported (MMS encapsulated in " \
 272         "HTTP)." ), nil];
 273     o_udp_uni = [NSArray arrayWithObjects: @"udp", @"UDP-Unicast", _NS("Enter " \
 274         "the address of the computer to stream to."), _NS("Use this to stream " \
 275         "to a single computer."), nil];
 276     o_udp_multi = [NSArray arrayWithObjects: @"udp", @"UDP-Multicast", _NS("Enter " \
 277         "the multicast address to stream to in this field. This must be an IP " \
 278         "address between 224.0.0.0 and 239.255.255.255. For a private use, " \
 279         "enter an address beginning with 239.255."), _NS("Use this to stream " \
 280         "to a dynamic group of computers on a multicast-enabled network. This " \
 281         "is the most efficient method to stream to several computers, but it " \
 282         "does not work over Internet."), nil];
 283     o_rtp_uni = [NSArray arrayWithObjects: @"rtp", @"RTP-Unicast", _NS("Enter the " \
 284         "address of the computer to stream to.") , _NS("Use this to stream " \
 285         "to a single computer."), nil];
 286     o_rtp_multi = [NSArray arrayWithObjects: @"rtp", @"RTP-Multicast", _NS("Enter " \
 287         "the multicast address to stream to in this field. This must be an IP " \
 288         "address between 224.0.0.0 and 239.255.255.255. For a private use, " \
 289         "enter an address beginning with 239.255."), _NS("Use this to stream " \
 290         "to a dynamic group of computers on a multicast-enabled network. This " \
 291         "is the most efficient method to stream to several computers, but it " \
 292         "does not work over Internet."), nil];
 293     o_strmgMthds = [[NSArray alloc] initWithObjects: o_http, o_mms, \
 294         o_udp_uni, o_udp_multi, o_rtp_uni, o_rtp_multi, nil];
 295 }
 296
 297 - (void)showWizard
 298 {
 299     /* just present the window to the user */
 300     [o_wizard_window center];
 301     [o_wizard_window displayIfNeeded];
 302     [o_wizard_window makeKeyAndOrderFront:nil];
 303 }
 304
 305 - (void)resetWizard
 306 {
 307     /* get the current state of our setting to keep the selections or not */
 308     keepSettingsOrNot = (BOOL *)config_GetInt( VLCIntf, "macosx-wizard-keep" );
 309
 310     /* go to the front page and clean up a bit */
 311     [o_userSelections removeAllObjects];
 312     [o_btn_forward setTitle: _NS("Next")];
 313     [o_tab_pageHolder selectFirstTabViewItem:self];
 314
 315
 316     if( keepSettingsOrNot )
 317         return;
 318
 319     /* reset the wizard-window to its default values if wanted */
 320     [o_t1_matrix_strmgOrTrnscd selectCellAtRow:0 column:0];
 321     [[o_t1_matrix_strmgOrTrnscd cellAtRow:1 column:0] setState: NSOffState];
 322
 323     /* "Input" */
 324     [o_t2_fld_pathToNewStrm setStringValue: @""];
 325     [o_t2_ckb_enblPartExtrct setState: NSOffState];
 326     [self t2_enableExtract:nil];
 327     [o_t2_matrix_inputSourceType selectCellAtRow:0 column:0];
 328     [[o_t2_matrix_inputSourceType cellAtRow:1 column:0] setState: NSOffState];
 329     [o_t2_fld_pathToNewStrm setEnabled:YES];
 330     [o_t2_btn_chooseFile setEnabled:YES];
 331     [o_t2_tbl_plst setEnabled:NO];
 332
 333     /* "Streaming 1" */
 334     [o_t3_fld_address setStringValue: @""];
 335     [o_t3_matrix_stmgMhd selectCellAtRow:0 column:0];
 336     [[o_t3_matrix_stmgMhd cellAtRow:0 column:1] setState: NSOffState];
 337     [[o_t3_matrix_stmgMhd cellAtRow:1 column:1] setState: NSOffState];
 338     [[o_t3_matrix_stmgMhd cellAtRow:1 column:2] setState: NSOffState];
 339
 340     /* "Transcode 1" */
 341     [o_t4_ckb_audio setState: NSOffState];
 342     [o_t4_ckb_video setState: NSOffState];
 343     [self t4_enblVidTrnscd:nil];
 344     [self t4_enblAudTrnscd:nil];
 345
 346     /* "Streaming 2" */
 347     [o_t6_fld_ttl setStringValue: @"1"];
 348     [o_t6_ckb_sap setState: NSOffState];
 349     [self t6_enblSapAnnce:nil];
 350
 351     /* "Transcode 2" */
 352     [o_t7_fld_filePath setStringValue: @""];
 353 }
 354
 355 - (void)initStrings
 356 {
 357     /* localise all strings to the users lang */
 358     /* method is called from intf.m (in method showWizard) */
 359
 360     /* general items */
 361     [o_btn_backward setTitle: _NS("Back")];
 362     [o_btn_cancel setTitle: _NS("Cancel")];
 363     [o_btn_forward setTitle: _NS("Next")];
 364     [o_wizard_window setTitle: _NS("Streaming/Transcoding Wizard")];
 365
 366     /* page one ("Hello") */
 367     [o_t1_txt_title setStringValue: _NS("Streaming/Transcoding Wizard")];
 368     [o_t1_txt_text setStringValue: _NS("This wizard helps you to stream, " \
 369         "transcode or save a stream.")];
 370     [o_t1_btn_mrInfo_strmg setTitle: _NS("More Info")];
 371     [o_t1_btn_mrInfo_trnscd setTitle: _NS("More Info")];
 372     [o_t1_txt_notice setStringValue: _NS("This wizard only gives access to " \
 373         "a small subset of VLC's streaming and transcoding capabilities. " \
 374         "Use the Open and Stream Output dialogs to get all of them.")];
 375     [[o_t1_matrix_strmgOrTrnscd cellAtRow:0 column:0] setTitle: _NS("Stream " \
 376         "to network")];
 377     [[o_t1_matrix_strmgOrTrnscd cellAtRow:1 column:0] setTitle: _NS("" \
 378         "Transcode/Save to file")];
 379
 380     /* page two ("Input") */
 381     [o_t2_title setStringValue: _NS("Choose input")];
 382     [o_t2_text setStringValue: _NS("Choose here your input stream.")];
 383     [[o_t2_matrix_inputSourceType cellAtRow:0 column:0] setTitle:  \
 384         _NS("Select a stream")];
 385     [[o_t2_matrix_inputSourceType cellAtRow:1 column:0] setTitle: \
 386         _NS("Existing playlist item")];
 387     [o_t2_btn_chooseFile setTitle: _NS("Choose...")];
 388     [[[o_t2_tbl_plst tableColumnWithIdentifier:@"1"] headerCell] \
 389         setStringValue: _NS("Title")];
 390     [[[o_t2_tbl_plst tableColumnWithIdentifier:@"2"] headerCell] \
 391         setStringValue: _NS("Author")];
 392     [o_t2_box_prtExtrct setTitle: _NS("Partial Extract")];
 393     [o_t2_ckb_enblPartExtrct setTitle: _NS("Enable")];
 394     [o_t2_ckb_enblPartExtrct setToolTip: _NS("Use this to read only a part of "\
 395         "the stream. You must be able to control the incoming stream " \
 396         "(for example, a file or a disc, but not an UDP network stream.) " \
 397         "Enter the starting and ending times (in seconds).")];
 398     [o_t2_txt_prtExtrctFrom setStringValue: _NS("From")];
 399     [o_t2_txt_prtExtrctTo setStringValue: _NS("To")];
 400
 401     /* page three ("Streaming 1") */
 402     [o_t3_txt_title setStringValue: _NS("Streaming")];
 403     [o_t3_txt_text setStringValue: _NS("In this page, you will select how " \
 404         "your input stream will be sent.")];
 405     [o_t3_box_dest setTitle: _NS("Destination")];
 406     [o_t3_box_strmgMthd setTitle: _NS("Streaming method")];
 407     [o_t3_txt_destInfo setStringValue: _NS("Enter the address of the computer " \
 408         "to stream to.")];
 409     [[o_t3_matrix_stmgMhd cellAtRow:0 column:0] setTitle: _NS("UDP Unicast")];
 410     [[o_t3_matrix_stmgMhd cellAtRow:0 column:1] setTitle: _NS("UDP Multicast")];
 411     [o_t3_txt_strgMthdInfo setStringValue: _NS("Use this to stream to a single " \
 412         "computer.")];
 413
 414     /* page four ("Transcode 1") */
 415     [o_t4_title setStringValue: _NS("Transcode")];
 416     [o_t4_text setStringValue: _NS("If you want to change the compression " \
 417         "format of the audio or video tracks, fill in this page. (If you only " \
 418         "want to change the container format, proceed to next page.)")];
 419     [o_t4_box_audio setTitle: _NS("Audio")];
 420     [o_t4_box_video setTitle: _NS("Video")];
 421     [o_t4_ckb_audio setTitle: _NS("Transcode audio")];
 422     [o_t4_ckb_video setTitle: _NS("Transcode video")];
 423     [o_t4_txt_videoBitrate setStringValue: _NS("Bitrate (kb/s)")];
 424     [o_t4_txt_videoCodec setStringValue: _NS("Codec")];
 425     [o_t4_txt_hintAudio setStringValue: _NS("If your stream has audio and you " \
 426         "want to transcode it, enable this.")];
 427     [o_t4_txt_hintVideo setStringValue: _NS("If your stream has video and you " \
 428         "want to transcode it, enable this.")];
 429
 430     /* page five ("Encap") */
 431     [o_t5_title setStringValue: _NS("Encapsulation format")];
 432     [o_t5_text setStringValue: _NS("In this page, you will select how the " \
 433         "stream will be encapsulated. Depending on the choices you made, all " \
 434                      "formats won't be available.")];
 435
 436     /* page six ("Streaming 2") */
 437     [o_t6_title setStringValue: _NS("Additional streaming options")];
 438     [o_t6_text setStringValue: _NS("In this page, you will define a few " \
 439                               "additional parameters for your stream.")];
 440     [o_t6_txt_ttl setStringValue: _NS("Time-To-Live (TTL)")];
 441     [o_t6_btn_mrInfo_ttl setTitle: _NS("More Info")];
 442     [o_t6_ckb_sap setTitle: _NS("SAP Announce")];
 443     [o_t6_btn_mrInfo_sap setTitle: _NS("More Info")];
 444     [o_t6_ckb_local setTitle: _NS("Local playback")];
 445     [o_t6_btn_mrInfo_local setTitle: _NS("More Info")];
 446
 447     /* page seven ("Transcode 2") */
 448     [o_t7_title setStringValue: _NS("Additional transcode options")];
 449     [o_t7_text setStringValue: _NS("In this page, you will define a few " \
 450                               "additional parameters for your transcoding.")];
 451     [o_t7_txt_saveFileTo setStringValue: _NS("Select the file to save to")];
 452     [o_t7_btn_chooseFile setTitle: _NS("Choose...")];
 453     [o_t7_ckb_local setTitle: _NS("Local playback")];
 454     [o_t7_btn_mrInfo_local setTitle: _NS("More Info")];
 455     [o_t7_txt_note_saveFolderTo setStringValue: _NS("Note that your input " \
 456         "files will keep their original names when being saved in the folder " \
 457         "you selected. Existing files may be overwritten.")];
 458
 459     /* page eight ("Summary") */
 460     [o_t8_txt_text setStringValue: _NS("This page lists all your selections. " \
 461         "Click \"Finish\" to start your streaming or transcoding.")];
 462     [o_t8_txt_title setStringValue: _NS("Summary")];
 463     [o_t8_txt_destination setStringValue: [_NS("Destination") \
 464         stringByAppendingString: @":"]];
 465     [o_t8_txt_encapFormat setStringValue: [_NS("Encap. format") \
 466         stringByAppendingString: @":"]];
 467     [o_t8_txt_inputStream setStringValue: [_NS("Input stream") \
 468         stringByAppendingString: @":"]];
 469     [o_t8_txt_partExtract setStringValue: [_NS("Partial Extract") \
 470         stringByAppendingString: @":"]];
 471     [o_t8_txt_sap setStringValue: [_NS("SAP Announce") \
 472         stringByAppendingString: @":"]];
 473     [o_t8_txt_saveFileTo setStringValue: [_NS("Save file to") \
 474         stringByAppendingString: @":"]];
 475     [o_t8_txt_strmgMthd setStringValue: [_NS("Streaming method") \
 476         stringByAppendingString: @":"]];
 477     [o_t8_txt_trnscdAudio setStringValue: [_NS("Transcode audio") \
 478         stringByAppendingString: @":"]];
 479     [o_t8_txt_trnscdVideo setStringValue: [_NS("Transcode video") \
 480         stringByAppendingString: @":"]];
 481     [o_t8_txt_local setStringValue: [_NS("Local playback") \
 482         stringByAppendingString: @":"]];
 483 }
 484
 485 - (void)initWithExtractValuesFrom: (NSString *)from to: (NSString *)to \
 486     ofItem: (NSString *)item
 487 {
 488     [self resetWizard];
 489     msg_Dbg(VLCIntf, "wizard was reseted");
 490     [o_userSelections setObject:@"trnscd" forKey:@"trnscdOrStrmg"];
 491     [o_btn_backward setEnabled:YES];
 492     [o_tab_pageHolder selectTabViewItemAtIndex:1];
 493     [o_t2_fld_prtExtrctFrom setStringValue: from];
 494     [o_t2_fld_prtExtrctTo setStringValue: to];
 495     [o_t2_fld_pathToNewStrm setStringValue: item];
 496     [o_t1_matrix_strmgOrTrnscd selectCellAtRow:1 column:0];
 497     [[o_t1_matrix_strmgOrTrnscd cellAtRow:0 column:0] setState: NSOffState];
 498     [o_t2_ckb_enblPartExtrct setState: NSOnState];
 499     [self t2_enableExtract: nil];
 500     msg_Dbg(VLCIntf, "wizard interface is set");
 501
 502     [o_wizard_window center];
 503     [o_wizard_window display];
 504     [o_wizard_window makeKeyAndOrderFront:nil];
 505     msg_Dbg(VLCIntf, "wizard window displayed");
 506 }
 507
 508 - (IBAction)cancelRun:(id)sender
 509 {
 510     [o_wizard_window close];
 511 }
 512
 513 - (id)getPlaylistWizard
 514 {
 515     return o_playlist_wizard;
 516 }
 517
 518 - (IBAction)nextTab:(id)sender
 519 {
 520     if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Hello"])
 521     {
 522         /* check whether the user wants to stream or just to transcode;
 523          * store information for later usage */
 524         NSString *o_mode;
 525         o_mode = [[o_t1_matrix_strmgOrTrnscd selectedCell] title];
 526         if( [o_mode isEqualToString: _NS("Stream to network")] )
 527         {
 528             /* we will be streaming */
 529             [o_userSelections setObject:@"strmg" forKey:@"trnscdOrStrmg"];
 530         }
 531         else
 532         {
 533             /* we will just do some transcoding */
 534             [o_userSelections setObject:@"trnscd" forKey:@"trnscdOrStrmg"];
 535         }
 536         [o_btn_backward setEnabled:YES];
 537         [o_tab_pageHolder selectTabViewItemAtIndex:1];
 538
 539         /* Fill the playlist with current playlist items */
 540         [o_playlist_wizard reloadOutlineView];
 541
 542     }
 543     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Input"])
 544     {
 545         /* check whether partialExtract is enabled and store the values, if needed */
 546         if ([o_t2_ckb_enblPartExtrct state] == NSOnState)
 547         {
 548             [o_userSelections setObject:@"YES" forKey:@"partExtract"];
 549             [o_userSelections setObject:[o_t2_fld_prtExtrctFrom stringValue] \
 550                 forKey:@"partExtractFrom"];
 551             [o_userSelections setObject:[o_t2_fld_prtExtrctTo stringValue] \
 552                 forKey:@"partExtractTo"];
 553         }else{
 554             [o_userSelections setObject:@"NO" forKey:@"partExtract"];
 555         }
 556
 557         /* check whether we use an existing pl-item or add an new one;
 558          * store the path or the index and set a flag.
 559          * complain to the user if s/he didn't provide a path */
 560         NSString *o_mode;
 561         BOOL stop;
 562         stop = NO;
 563         o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
 564         if( [o_mode isEqualToString: _NS("Select a stream")] )
 565         {
 566             [o_userSelections setObject:@"YES" forKey:@"newStrm"];
 567             if ([[o_t2_fld_pathToNewStrm stringValue] isEqualToString: @""])
 568             {
 569                 /* set a flag that no file is selected */
 570                 stop = YES;
 571             }
 572             else
 573             {
 574                 [o_userSelections setObject:[NSArray arrayWithObject:
 575                     [o_t2_fld_pathToNewStrm stringValue]] forKey:@"pathToStrm"];
 576             }
 577         }
 578         else
 579         {
 580             if ([o_t2_tbl_plst numberOfSelectedRows] > 0)
 581             {
 582                 int x = 0;
 583                 int y = [[o_t2_tbl_plst selectedRowIndexes] count];
 584                 NSMutableArray * tempArray = [[NSMutableArray alloc] init];
 585                 while( x != y )
 586                 {
 587                     playlist_item_t *p_item =
 588                         [[o_t2_tbl_plst itemAtRow:
 589                             [[o_t2_tbl_plst selectedRowIndexes]
 590                             indexGreaterThanOrEqualToIndex: x]] pointerValue];
 591
 592                     if( p_item->i_children <= 0 )
 593                     {
 594                         [tempArray addObject: [NSString stringWithUTF8String:
 595                         p_item->input.psz_uri]];
 596                         stop = NO;
 597                     }
 598                     else
 599                         stop = YES;
 600                     x += 1;
 601                 }
 602                 [o_userSelections setObject:[NSArray arrayWithArray: tempArray]
 603                     forKey:@"pathToStrm"];
 604                 [tempArray release];
 605             }
 606             else
 607             {
 608                 /* set a flag that no item is selected */
 609                 stop = YES;
 610             }
 611         }
 612
 613         /* show either "Streaming 1" or "Transcode 1" to the user */
 614         if (stop == NO)
 615         {
 616             if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] \
 617                 isEqualToString:@"strmg"])
 618             {
 619                 /* we are streaming */
 620                 [o_tab_pageHolder selectTabViewItemAtIndex:2];
 621             }else{
 622                 /* we are just transcoding */
 623
 624                 /* rebuild the menues for the codec-selections */
 625                 [self rebuildCodecMenus];
 626
 627                 [o_tab_pageHolder selectTabViewItemAtIndex:3];
 628             }
 629         } else {
 630             /* show a sheet that the user didn't select a file */
 631             NSBeginInformationalAlertSheet(_NS("No input selected"), \
 632                 _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
 633                 _NS("You have selected neither a new stream nor a valid " \
 634                 "playlist item. VLC is unable to guess, which input you " \
 635                 "want use.\n\nChoose one before going to the next page."));
 636         }
 637     }
 638     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
 639         @"Streaming 1"])
 640     {
 641         /* rebuild the menues for the codec-selections */
 642         [self rebuildCodecMenus];
 643
 644         /* check which streaming method is selected and store it */
 645         int mode;
 646         mode = [[o_t3_matrix_stmgMhd selectedCell] tag];
 647         if( mode == 0 )
 648         {
 649             /* HTTP Streaming */
 650             [o_userSelections setObject:@"0" forKey:@"stmgMhd"];
 651
 652             /* disable all codecs which don't support MPEG PS, MPEG TS, MPEG 1,
 653              * OGG, RAW or ASF */
 654             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 655             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating"];
 656
 657         } else if ( mode == 1 )
 658         {
 659             /* MMS Streaming */
 660             [o_userSelections setObject:@"1" forKey:@"stmgMhd"];
 661
 662             /* disable all codecs which don't support ASF / ASFH */
 663             [o_t4_pop_audioCodec removeItemWithTitle:@"MPEG 4 Audio"];
 664             [o_t4_pop_audioCodec removeItemWithTitle:@"Vorbis"];
 665             [o_t4_pop_audioCodec removeItemWithTitle:@"FLAC"];
 666             [o_t4_pop_audioCodec removeItemWithTitle:@"Speex"];
 667             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 668             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating"];
 669
 670             [o_t4_pop_videoCodec removeItemWithTitle:@"MPEG-1 Video"];
 671             [o_t4_pop_videoCodec removeItemWithTitle:@"MPEG-2 Video"];
 672             [o_t4_pop_videoCodec removeItemWithTitle:@"H.263"];
 673             [o_t4_pop_videoCodec removeItemWithTitle:@"H.264"];
 674             [o_t4_pop_videoCodec removeItemWithTitle:@"MJPEG"];
 675             [o_t4_pop_videoCodec removeItemWithTitle:@"Theora"];
 676         } else {
 677             /* RTP/UDP Unicast/Multicast Streaming */
 678
 679             [o_userSelections setObject: [[NSNumber numberWithInt: mode] \
 680                 stringValue] forKey:@"stmgMhd"];
 681
 682             /* disable all codecs which don't support MPEG-TS */
 683             [o_t4_pop_audioCodec removeItemWithTitle:@"Vorbis"];
 684             [o_t4_pop_audioCodec removeItemWithTitle:@"FLAC"];
 685             [o_t4_pop_audioCodec removeItemWithTitle:@"Speex"];
 686             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 687             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating"];
 688         }
 689
 690         /* store the destination and check whether is it empty */
 691         if([[o_userSelections objectForKey:@"stmgMhd"] intValue] >=2 )
 692         {
 693            /* empty field is valid for HTTP and MMS */
 694             if( [[o_t3_fld_address stringValue] isEqualToString: @""] )
 695             {
 696                 /* complain to the user that "" is no valid dest. */
 697                 NSBeginInformationalAlertSheet(_NS("No valid destination"), \
 698                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
 699                     _NS("You need to enter a valid destination you want to "\
 700                     "stream to. Enter either a Unicast-IP or a Multicast-IP." \
 701                     "\n\nIf you don't know what this means, have a look at " \
 702                     "the VLC Streaming HOWTO and the help texts in this " \
 703                     "window."));
 704             } else {
 705                 /* FIXME: check whether the entered IP is really valid */
 706                 [o_userSelections setObject:[o_t3_fld_address stringValue] \
 707                     forKey:@"stmgDest"];
 708                 /* let's go to the transcode-1-tab */
 709                 [o_tab_pageHolder selectTabViewItemAtIndex:3];
 710             }
 711         } else {
 712             [o_userSelections setObject:[o_t3_fld_address stringValue] \
 713                 forKey:@"stmgDest"];
 714             /* let's go to the transcode-1-tab */
 715             [o_tab_pageHolder selectTabViewItemAtIndex:3];
 716         }
 717     }
 718     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
 719         @"Transcode 1"])
 720     {
 721         /* check whether the user wants to transcode the video-track and store
 722          * the related options */
 723         if ([o_t4_ckb_video state] == NSOnState)
 724         {
 725             NSNumber * theNum;
 726             theNum = [NSNumber numberWithInt:[o_t4_pop_videoCodec indexOfSelectedItem]];
 727             [o_userSelections setObject:@"YES" forKey:@"trnscdVideo"];
 728             [o_userSelections setObject:[o_t4_pop_videoBitrate titleOfSelectedItem] \
 729                 forKey:@"trnscdVideoBitrate"];
 730             [o_userSelections setObject:theNum forKey:@"trnscdVideoCodec"];
 731         } else {
 732             [o_userSelections setObject:@"NO" forKey:@"trnscdVideo"];
 733         }
 734
 735         /* check whether the user wants to transcode the audio-track and store
 736          * the related options */
 737         if ([o_t4_ckb_audio state] == NSOnState)
 738         {
 739             NSNumber * theNum;
 740             theNum = [NSNumber numberWithInt:[o_t4_pop_audioCodec indexOfSelectedItem]];
 741             [o_userSelections setObject:@"YES" forKey:@"trnscdAudio"];
 742             [o_userSelections setObject:[o_t4_pop_audioBitrate titleOfSelectedItem] \
 743                 forKey:@"trnscdAudioBitrate"];
 744             [o_userSelections setObject:theNum forKey:@"trnscdAudioCodec"];
 745         } else {
 746             [o_userSelections setObject:@"NO" forKey:@"trnscdAudio"];
 747         }
 748
 749         /* disable all encap-formats */
 750         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
 751         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:NO];
 752         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
 753         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
 754         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
 755         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
 756         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
 757         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
 758         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
 759         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
 760         [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
 761
 762         /* re-enable the encap-formats supported by the chosen codecs */
 763         /* FIXME: the following is a really bad coding-style. feel free to mail
 764             me ideas how to make this nicer, if you want to -- FK, 7/11/05 */
 765
 766         if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualTo: @"YES"])
 767         {
 768             if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
 769             {
 770                 /* we are transcoding both audio and video, so we need to check both deps */
 771                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 772                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
 773                 {
 774                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections \
 775                         objectForKey:@"trnscdAudioCodec"] intValue]] \
 776                         containsObject: @"MUX_PS"])
 777                     {
 778                         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 779                         [o_t5_matrix_encap selectCellAtRow:0 column:0];
 780                     }
 781                 }
 782                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections \
 783                     objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
 784                 {
 785                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 786                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
 787                     {
 788                         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 789                         [o_t5_matrix_encap selectCellAtRow:1 column:0];
 790                     }
 791                 }
 792                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 793                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
 794                 {
 795                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 796                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
 797                     {
 798                         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 799                         [o_t5_matrix_encap selectCellAtRow:2 column:0];
 800                     }
 801                 }
 802                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 803                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
 804                 {
 805                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections \
 806                         objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
 807                     {
 808                         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 809                         [o_t5_matrix_encap selectCellAtRow:3 column:0];
 810                     }
 811                 }
 812                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 813                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
 814                 {
 815                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 816                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
 817                     {
 818                         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 819                         [o_t5_matrix_encap selectCellAtRow:4 column:0];
 820                     }
 821                 }
 822                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 823                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
 824                 {
 825                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 826                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
 827                     {
 828                         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 829                         [o_t5_matrix_encap selectCellAtRow:5 column:0];
 830                     }
 831                 }
 832                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 833                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
 834                 {
 835                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 836                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
 837                     {
 838                         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 839                         [o_t5_matrix_encap selectCellAtRow:6 column:0];
 840                     }
 841                 }
 842                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 843                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
 844                 {
 845                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 846                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
 847                     {
 848                         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 849                         [o_t5_matrix_encap selectCellAtRow:7 column:0];
 850                     }
 851                 }
 852                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 853                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
 854                 {
 855                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 856                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
 857                     {
 858                         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 859                         [o_t5_matrix_encap selectCellAtRow:8 column:0];
 860                     }
 861                 }
 862                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 863                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
 864                 {
 865                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 866                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
 867                     {
 868                         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 869                         [o_t5_matrix_encap selectCellAtRow:9 column:0];
 870                     }
 871                 }
 872
 873             } else {
 874
 875                 /* we just transcoding the audio */
 876
 877                 /* select formats supported by the audio codec */
 878                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 879                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_PS"])
 880                 {
 881                     [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 882                     [o_t5_matrix_encap selectCellAtRow:0 column:0];
 883                 }
 884                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 885                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
 886                 {
 887                     [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 888                     [o_t5_matrix_encap selectCellAtRow:1 column:0];
 889                 }
 890                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 891                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
 892                 {
 893                     [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 894                     [o_t5_matrix_encap selectCellAtRow:2 column:0];
 895                 }
 896                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 897                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
 898                 {
 899                     [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 900                     [o_t5_matrix_encap selectCellAtRow:3 column:0];
 901                 }
 902                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 903                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
 904                 {
 905                     [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 906                     [o_t5_matrix_encap selectCellAtRow:4 column:0];
 907                 }
 908                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 909                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
 910                 {
 911                     [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 912                     [o_t5_matrix_encap selectCellAtRow:5 column:0];
 913                 }
 914                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 915                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
 916                 {
 917                     [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 918                     [o_t5_matrix_encap selectCellAtRow:6 column:0];
 919                 }
 920                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 921                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
 922                 {
 923                     [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 924                     [o_t5_matrix_encap selectCellAtRow:7 column:0];
 925                 }
 926                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 927                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
 928                 {
 929                     [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 930                     [o_t5_matrix_encap selectCellAtRow:8 column:0];
 931                 }
 932                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 933                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
 934                 {
 935                     [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 936                     [o_t5_matrix_encap selectCellAtRow:9 column:0];
 937                 }
 938             }
 939         }
 940         else if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
 941         {
 942             /* we are just transcoding the video */
 943
 944             /* select formats supported by the video-codec */
 945
 946             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 947                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
 948             {
 949                 [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 950                 [o_t5_matrix_encap selectCellAtRow:0 column:0];
 951             }
 952             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 953                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
 954             {
 955                 [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 956                 [o_t5_matrix_encap selectCellAtRow:1 column:0];
 957             }
 958             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 959                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
 960             {
 961                 [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 962                 [o_t5_matrix_encap selectCellAtRow:2 column:0];
 963             }
 964             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 965                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
 966             {
 967                 [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 968                 [o_t5_matrix_encap selectCellAtRow:3 column:0];
 969             }
 970             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 971                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
 972             {
 973                 [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 974                 [o_t5_matrix_encap selectCellAtRow:4 column:0];
 975             }
 976             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 977                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
 978             {
 979                 [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 980                 [o_t5_matrix_encap selectCellAtRow:5 column:0];
 981             }
 982             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 983                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
 984             {
 985                 [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 986                 [o_t5_matrix_encap selectCellAtRow:6 column:0];
 987             }
 988             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 989                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
 990             {
 991                 [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 992                 [o_t5_matrix_encap selectCellAtRow:7 column:0];
 993             }
 994             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 995                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
 996             {
 997                 [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 998                 [o_t5_matrix_encap selectCellAtRow:8 column:0];
 999             }
1000             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
1001                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
1002             {
1003                 [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
1004                 [o_t5_matrix_encap selectCellAtRow:9 column:0];
1005             }
1006         } else {
1007             /* we don't do any transcoding
1008              * -> enabled the encap-formats allowed when streaming content via
1009              * http plus MP4 since this should work fine in most cases */
1010
1011             /* FIXME: choose a selection of encap-formats based upon the
1012              * actually used codecs */
1013
1014             /* enable MPEG PS, MPEG TS, MPEG 1, OGG, RAW, ASF, MP4 and MOV
1015              * select MPEG PS */
1016             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
1017             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
1018             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
1019             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
1020             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
1021             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
1022             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1023             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
1024             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
1025             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1026             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1027             [o_t5_matrix_encap selectCellAtRow:0 column:0];
1028         }
1029
1030         if ( [o_userSelections objectForKey:@"stmgMhd"] == @"1" )
1031         {
1032             /* if MMS is the streaming protocol, only ASFH is available */
1033             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
1034             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:NO];
1035             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
1036             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
1037             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
1038             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
1039             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1040             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1041             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1042             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1043             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:YES];
1044             [o_t5_matrix_encap selectCellAtRow:10 column:0];
1045         }
1046         else if ( [o_userSelections objectForKey:@"stmgMhd"] == @"0" )
1047         {
1048             /* if HTTP is the streaming protocol, disable all unsupported
1049              * encap-formats, but don't touch the other ones selected above */
1050             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1051             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1052             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1053             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1054             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1055         }
1056         else if ( [[o_userSelections objectForKey:@"stmgMhd"] intValue] >= 2 )
1057         {
1058             /* if UDP/RTP is the streaming protocol, only MPEG-TS is available */
1059             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
1060             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
1061             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
1062             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
1063             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
1064             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1065             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1066             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1067             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1068             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1069             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
1070             [o_t5_matrix_encap selectCellAtRow:1 column:0];
1071         }
1072         int x;
1073         BOOL anythingEnabled;
1074         x = 0;
1075         anythingEnabled = NO;
1076         while (x != [o_t5_matrix_encap numberOfRows])
1077         {
1078             if ([[o_t5_matrix_encap cellAtRow:x column:0] isEnabled])
1079             {
1080                 anythingEnabled = YES;
1081             }
1082             x += 1;
1083         }
1084         if (anythingEnabled == YES)
1085         {
1086             /* go the encap-tab */
1087             [o_tab_pageHolder selectTabViewItemAtIndex:4];
1088         } else {
1089             /* show a sheet that the selected codecs are not compatible */
1090             NSBeginInformationalAlertSheet(_NS("Invalid selection"), _NS("OK"), \
1091                 @"", @"", o_wizard_window, nil, nil, nil, nil, _NS("Your " \
1092                 "chosen codecs are not compatible with each other. For example: " \
1093                 "you cannot mix uncompressed audio with any video codec.\n\n" \
1094                 "Correct your selection and try again."));
1095         }
1096
1097     }
1098     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Encap"])
1099     {
1100         /* get the chosen encap format and store it */
1101         NSNumber * theNum;
1102         theNum = [NSNumber numberWithInt:[[o_t5_matrix_encap selectedCell] tag]];
1103         [o_userSelections setObject:[theNum stringValue] forKey:@"encapFormat"];
1104
1105         /* show either "Streaming 2" or "Transcode 2" to the user */
1106         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1107         {
1108             /* we are streaming */
1109             [o_tab_pageHolder selectTabViewItemAtIndex:5];
1110         }else{
1111             /* we are just transcoding */
1112             [o_tab_pageHolder selectTabViewItemAtIndex:6];
1113             /* in case that we are processing multiple items, let the user
1114              * select a folder instead of a localtion for a single item */
1115             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1116             {
1117                 [o_t7_txt_saveFileTo setStringValue:
1118                     _NS("Select the folder to save to")];
1119                 [o_t7_txt_note_saveFolderTo setHidden: NO];
1120             }
1121             else
1122             {
1123                 [o_t7_txt_saveFileTo setStringValue:
1124                     _NS("Select the file to save to")];
1125                 [o_t7_txt_note_saveFolderTo setHidden: YES];
1126             }
1127         }
1128     }
1129     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1130         @"Streaming 2"])
1131     {
1132         /* store the chosen TTL */
1133         [o_userSelections setObject:[o_t6_fld_ttl stringValue] forKey:@"ttl"];
1134
1135         /* check whether SAP is enabled and store the announce, if needed */
1136         if ([o_t6_ckb_sap state] == NSOnState)
1137         {
1138             [o_userSelections setObject:@"YES" forKey:@"sap"];
1139             [o_userSelections setObject:[o_t6_fld_sap stringValue] forKey:@"sapText"];
1140         } else {
1141             [o_userSelections setObject:@"NO" forKey:@"sap"];
1142         }
1143
1144         /* local playback? */
1145         if ([o_t6_ckb_local state] == NSOnState)
1146         {
1147             [o_userSelections setObject:@"YES" forKey:@"localPb"];
1148         } else {
1149             [o_userSelections setObject:@"NO" forKey:@"localPb"];
1150         }
1151
1152         /* go to "Summary" */
1153         [self showSummary];
1154     }
1155     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1156         @"Transcode 2"])
1157     {
1158         /* local playback? */
1159         if ([o_t7_ckb_local state] == NSOnState)
1160         {
1161             [o_userSelections setObject:@"YES" forKey:@"localPb"];
1162         } else {
1163             [o_userSelections setObject:@"NO" forKey:@"localPb"];
1164         }
1165
1166         /* check whether the path != "" and store it */
1167         if( [[o_t7_fld_filePath stringValue] isEqualToString: @""] )
1168         {
1169             /* complain to the user that "" is no valid path for a folder/file */
1170             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1171                 NSBeginInformationalAlertSheet(_NS("No folder selected"), \
1172                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1173                     [NSString stringWithFormat: @"%@\n\n%@", _NS("You you " \
1174                     "need to select a folder, you want to save your files to."),
1175                     _NS("Enter either a valid path or choose a location " \
1176                     "through the button's dialog-box.")]);
1177             else
1178                 NSBeginInformationalAlertSheet(_NS("No file selected"), \
1179                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1180                     [NSString stringWithFormat: @"%@\n\n%@", _NS("You you " \
1181                     "need to select a file, you want to save to."),
1182                     _NS("Enter either a valid path or choose a location " \
1183                     "through the button's dialog-box.")]);
1184         } else {
1185             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1186             {
1187                 NSMutableArray * tempArray = [[NSMutableArray alloc] init];
1188                 NSString * theEncapFormat = [[o_encapFormats objectAtIndex: \
1189                     [[o_userSelections objectForKey:@"encapFormat"] intValue]] \
1190                     objectAtIndex:0];
1191                 if( theEncapFormat == @"ps" )
1192                     theEncapFormat = @"mpg";
1193                 int x = 0;
1194                 int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1195                 while( x != y )
1196                 {
1197                     [tempArray addObject:[NSString stringWithFormat: @"%@%@.%@",
1198                         [o_t7_fld_filePath stringValue],
1199                         [[NSFileManager defaultManager] displayNameAtPath:
1200                         [[o_userSelections objectForKey:@"pathToStrm"]
1201                         objectAtIndex: x]],theEncapFormat]];
1202                     x += 1;
1203                 }
1204                 [o_userSelections setObject: [NSArray arrayWithArray:tempArray]
1205                     forKey: @"trnscdFilePath"];
1206                 [tempArray release];
1207             }
1208             else
1209             {
1210                 [o_userSelections setObject: [NSArray arrayWithObject: \
1211                     [o_t7_fld_filePath stringValue]] forKey: @"trnscdFilePath"];
1212             }
1213
1214             /* go to "Summary" */
1215             [self showSummary];
1216         }
1217     }
1218     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1219         @"Summary"])
1220     {
1221         intf_thread_t * p_intf = VLCIntf;
1222
1223         playlist_t * p_playlist = (playlist_t *)vlc_object_find( p_intf,
1224                             VLC_OBJECT_PLAYLIST, FIND_ANYWHERE);
1225         if( p_playlist )
1226         {
1227             int x = 0;
1228             int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1229             while( x != y )
1230             {
1231                 /* we need a temp. variable here to work-around a GCC4-bug */
1232                 NSString *tempString = [NSString stringWithFormat: \
1233                     @"%@ (%i/%i)", _NS("Streaming/Transcoding Wizard"), \
1234                     ( x + 1 ), y];
1235                 playlist_item_t *p_item = playlist_ItemNew( p_playlist, \
1236                     [[[o_userSelections objectForKey:@"pathToStrm"] \
1237                     objectAtIndex:x] UTF8String], \
1238                     [tempString UTF8String] );
1239                 playlist_ItemAddOption( p_item, [[[o_userSelections \
1240                     objectForKey:@"opts"] objectAtIndex: x] UTF8String]);
1241
1242                 if(! [[o_userSelections objectForKey:@"partExtractFrom"] \
1243                     isEqualToString:@""] )
1244                 {
1245                     playlist_ItemAddOption( p_item, [[NSString \
1246                         stringWithFormat: @"start-time=%@", [o_userSelections \
1247                         objectForKey: @"partExtractFrom"]] UTF8String] );
1248                 }
1249
1250                 if(! [[o_userSelections objectForKey:@"partExtractTo"] \
1251                     isEqualToString:@""] )
1252                 {
1253                     playlist_ItemAddOption( p_item, [[NSString \
1254                         stringWithFormat: @"stop-time=%@", [o_userSelections \
1255                         objectForKey: @"partExtractTo"]] UTF8String] );
1256                 }
1257
1258                 playlist_ItemAddOption( p_item, [[NSString stringWithFormat: \
1259                     @"ttl=%@", [o_userSelections objectForKey:@"ttl"]] \
1260                     UTF8String] );
1261
1262                 playlist_AddItem( p_playlist, p_item, PLAYLIST_STOP, PLAYLIST_END );
1263
1264                 if( x == 0 )
1265                     /* play the first item and add the others afterwards */
1266                     playlist_Control( p_playlist, PLAYLIST_ITEMPLAY, p_item );
1267
1268                 x += 1;
1269             }
1270
1271             playlist_ViewUpdate( p_playlist, VIEW_CATEGORY );
1272
1273             vlc_object_release(p_playlist);
1274         } else {
1275             msg_Err( p_intf, "Uh Oh! Unable to find playlist!" );
1276         }
1277
1278         /* close the window, since we are done */
1279         [o_wizard_window close];
1280     }
1281 }
1282
1283 - (void)rebuildCodecMenus
1284 {
1285     int savePreviousSel = 0;
1286     savePreviousSel = [o_t4_pop_videoCodec indexOfSelectedItem];
1287     [o_t4_pop_videoCodec removeAllItems];
1288     unsigned int x;
1289     x = 0;
1290     while (x != [o_videoCodecs count])
1291     {
1292         [o_t4_pop_videoCodec addItemWithTitle:[[o_videoCodecs objectAtIndex:x] \
1293             objectAtIndex:0]];
1294         x += 1;
1295     }
1296     if( keepSettingsOrNot && savePreviousSel >= 0 )
1297         [o_t4_pop_videoCodec selectItemAtIndex: savePreviousSel];
1298
1299     savePreviousSel = [o_t4_pop_audioCodec indexOfSelectedItem];
1300     [o_t4_pop_audioCodec removeAllItems];
1301     x = 0;
1302     while (x != [o_audioCodecs count])
1303     {
1304         [o_t4_pop_audioCodec addItemWithTitle:[[o_audioCodecs objectAtIndex:x] \
1305             objectAtIndex:0]];
1306         x += 1;
1307     }
1308     if( keepSettingsOrNot && savePreviousSel >= 0 )
1309         [o_t4_pop_audioCodec selectItemAtIndex: savePreviousSel];
1310 }
1311
1312 - (void)showSummary
1313 {
1314     [o_btn_forward setTitle: _NS("Finish")];
1315     /* if we will transcode multiple items, just give their number; otherwise
1316      * print the URI of the single item */
1317     if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1318         [o_t8_fld_inptStream setStringValue: [NSString stringWithFormat:
1319             _NS("%i items"),
1320             [[o_userSelections objectForKey:@"pathToStrm"] count]]];
1321     else
1322         [o_t8_fld_inptStream setStringValue:
1323             [[o_userSelections objectForKey:@"pathToStrm"] objectAtIndex: 0]];
1324
1325     if ([[o_userSelections objectForKey:@"localPb"] isEqualToString: @"YES"])
1326     {
1327         [o_t8_fld_local setStringValue: _NS("yes")];
1328     } else {
1329         [o_t8_fld_local setStringValue: _NS("no")];
1330     }
1331
1332     if ([[o_userSelections objectForKey:@"partExtract"] isEqualToString: @"YES"])
1333     {
1334         [o_t8_fld_partExtract setStringValue: [NSString stringWithFormat:
1335             _NS("yes: from %@ to %@ secs"),
1336             [o_userSelections objectForKey:@"partExtractFrom"],
1337             [o_userSelections objectForKey:@"partExtractTo"]]];
1338     } else {
1339         [o_t8_fld_partExtract setStringValue: _NS("no")];
1340     }
1341
1342     if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
1343     {
1344         [o_t8_fld_trnscdVideo setStringValue: [NSString stringWithFormat:
1345             _NS("yes: %@ @ %@ kb/s"),
1346             [[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
1347             @"trnscdVideoCodec"] intValue]] objectAtIndex:0],
1348             [o_userSelections objectForKey:@"trnscdVideoBitrate"]]];
1349     }
1350     else
1351     {
1352         [o_t8_fld_trnscdVideo setStringValue: _NS("no")];
1353     }
1354     if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1355     {
1356         [o_t8_fld_trnscdAudio setStringValue: [NSString stringWithFormat:
1357             _NS("yes: %@ @ %@ kb/s"),
1358             [[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
1359                 @"trnscdAudioCodec"] intValue]] objectAtIndex:0],
1360             [o_userSelections objectForKey:@"trnscdAudioBitrate"]]];
1361     }
1362     else
1363     {
1364         [o_t8_fld_trnscdAudio setStringValue: _NS("no")];
1365     }
1366
1367
1368     if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1369     {
1370         /* we are streaming and perhaps also transcoding */
1371         [o_t8_fld_saveFileTo setStringValue: @"-"];
1372         [o_t8_fld_strmgMthd setStringValue: [[o_strmgMthds objectAtIndex: \
1373             [[o_userSelections objectForKey:@"stmgMhd"] intValue]] \
1374             objectAtIndex:1]];
1375         [o_t8_fld_destination setStringValue: [o_userSelections objectForKey: \
1376             @"stmgDest"]];
1377         [o_t8_fld_ttl setStringValue: [o_userSelections objectForKey:@"ttl"]];
1378         if ([[o_userSelections objectForKey:@"sap"] isEqualToString: @"YES"])
1379         {
1380             [o_t8_fld_sap setStringValue:
1381                 [_NS("yes") stringByAppendingFormat: @": \"%@\"",
1382                     [o_userSelections objectForKey:@"sapText"]]];
1383         }else{
1384             [o_t8_fld_sap setStringValue: _NS("no")];
1385         }
1386     } else {
1387         /* we are transcoding */
1388         [o_t8_fld_strmgMthd setStringValue: @"-"];
1389         [o_t8_fld_destination setStringValue: @"-"];
1390         [o_t8_fld_ttl setStringValue: @"-"];
1391         [o_t8_fld_sap setStringValue: @"-"];
1392         [o_t8_fld_saveFileTo setStringValue: [o_userSelections objectForKey: \
1393             @"trnscdFilePath"]];
1394     }
1395     [o_t8_fld_encapFormat setStringValue: [[o_encapFormats objectAtIndex: \
1396         [[o_userSelections objectForKey:@"encapFormat"] intValue]] objectAtIndex:1]];
1397
1398     [self createOpts];
1399     [o_t8_fld_mrl setStringValue: [[o_userSelections objectForKey:@"opts"]
1400         objectAtIndex: 0]];
1401
1402     [o_tab_pageHolder selectTabViewItemAtIndex:7];
1403 }
1404
1405 - (void) createOpts
1406 {
1407     NSMutableString * o_opts_string = [NSMutableString stringWithString:@""];
1408     NSMutableString *o_trnscdCmd = [NSMutableString stringWithString:@""];
1409     NSMutableString *o_duplicateCmd = [NSMutableString stringWithString:@""];
1410     int x = 0;
1411     int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1412     NSMutableArray * tempArray = [[NSMutableArray alloc] init];
1413
1414     /* loop to create an opt-string for each item we're processing */
1415     while( x != y )
1416     {
1417         /* check whether we transcode the audio and/or the video and compose a
1418          * string reflecting the settings, if needed */
1419         if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
1420         {
1421             [o_trnscdCmd appendString: @"transcode{"];
1422             [o_trnscdCmd appendFormat: @"vcodec=%s,vb=%i", [[[o_videoCodecs \
1423                 objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] \
1424                 intValue]] objectAtIndex:1] UTF8String],  [[o_userSelections \
1425                 objectForKey:@"trnscdVideoBitrate"] intValue]];
1426             if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1427             {
1428                 [o_trnscdCmd appendString: @","];
1429             }
1430             else
1431             {
1432                 [o_trnscdCmd appendString: @"}:"];
1433             }
1434         }
1435
1436         /* check whether the user requested local playback. if yes, prepare the
1437          * string, if not, let it empty */
1438         if ([[o_userSelections objectForKey:@"localPb"] isEqualToString:@"YES"])
1439         {
1440             [o_duplicateCmd appendString: @"duplicate{dst=display,dst=\""];
1441         }
1442
1443         if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1444         {
1445             if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"NO"])
1446             {
1447                 /* in case we transcode the audio only, add this */
1448                 [o_trnscdCmd appendString: @"transcode{"];
1449             }
1450             [o_trnscdCmd appendFormat: @"acodec=%s,ab=%i}:", [[[o_audioCodecs \
1451                 objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] \
1452                 intValue]] objectAtIndex:1] UTF8String],  [[o_userSelections \
1453                 objectForKey:@"trnscdAudioBitrate"] intValue]];
1454         }
1455
1456         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"trnscd"])
1457         {
1458             /* we are just transcoding and dumping the stuff to a file */
1459             [o_opts_string appendFormat: \
1460                 @":sout=#%s%sstandard{mux=%s,dst=%s,access=file}", [o_duplicateCmd \
1461                 UTF8String], [o_trnscdCmd UTF8String], [[[o_encapFormats \
1462                 objectAtIndex: [[o_userSelections objectForKey:@"encapFormat"] \
1463                 intValue]] objectAtIndex:0] UTF8String], [[[o_userSelections \
1464                 objectForKey: @"trnscdFilePath"] objectAtIndex: x] UTF8String]];
1465         }
1466         else
1467         {
1468
1469             /* we are streaming */
1470             if ([[o_userSelections objectForKey:@"sap"] isEqualToString:@"YES"])
1471             {
1472                 /* SAP-Announcement is requested */
1473                 NSMutableString *o_sap_option = [NSMutableString stringWithString:@""];
1474                 if([[o_userSelections objectForKey:@"sapText"] isEqualToString:@""])
1475                 {
1476                     [o_sap_option appendString: @"sap"];
1477                 }
1478                 else
1479                 {
1480                     [o_sap_option appendFormat: @"sap,name=\"%s\"", \
1481                         [[o_userSelections objectForKey:@"sapText"] UTF8String]];
1482                 }
1483                 [o_opts_string appendFormat: \
1484                     @":sout=#%s%sstandard{mux=%s,dst=%s,access=%s,%s}", \
1485                     [o_duplicateCmd UTF8String], [o_trnscdCmd UTF8String], \
1486                     [[[o_encapFormats objectAtIndex: [[o_userSelections \
1487                     objectForKey: @"encapFormat"] intValue]] objectAtIndex:0] \
1488                     UTF8String], [[o_userSelections objectForKey: @"stmgDest"] \
1489                     UTF8String], [[[o_strmgMthds objectAtIndex: [[o_userSelections \
1490                     objectForKey: @"stmgMhd"] intValue]] objectAtIndex:0] \
1491                     UTF8String], [o_sap_option UTF8String]];
1492             }
1493             else
1494             {
1495                 /* no SAP, just streaming */
1496                 [o_opts_string appendFormat: \
1497                     @":sout=#%s%sstandard{mux=%s,dst=%s,access=%s}", \
1498                     [o_duplicateCmd UTF8String], [o_trnscdCmd UTF8String], \
1499                     [[[o_encapFormats objectAtIndex: [[o_userSelections \
1500                     objectForKey: @"encapFormat"] intValue]] objectAtIndex:0] \
1501                     UTF8String], [[o_userSelections objectForKey: \
1502                     @"stmgDest"] UTF8String], [[[o_strmgMthds objectAtIndex: \
1503                     [[o_userSelections objectForKey: @"stmgMhd"] intValue]] \
1504                     objectAtIndex:0] UTF8String]];
1505             }
1506         }
1507
1508         /* check whether the user requested local playback. if yes, close the
1509          * string with an additional bracket */
1510         if ([[o_userSelections objectForKey:@"localPb"] isEqualToString:@"YES"])
1511         {
1512             [o_opts_string appendString: @"\"}"];
1513         }
1514
1515         [tempArray addObject: o_opts_string];
1516
1517         o_opts_string = [NSMutableString stringWithString:@""];
1518         o_trnscdCmd = [NSMutableString stringWithString:@""];
1519         o_duplicateCmd = [NSMutableString stringWithString:@""];
1520         x += 1;
1521     }
1522     [o_userSelections setObject:[NSArray arrayWithArray: tempArray] forKey:@"opts"];
1523     [tempArray release];
1524 }
1525
1526 - (IBAction)prevTab:(id)sender
1527 {
1528     if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Summary"])
1529     {
1530         /* check whether we are streaming or transcoding and go back */
1531         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1532         {
1533             /* show "Streaming 2" */
1534             [o_tab_pageHolder selectTabViewItemAtIndex:5];
1535         }else{
1536             /* show "Transcode 2" */
1537             [o_tab_pageHolder selectTabViewItemAtIndex:6];
1538         }
1539         /* rename the forward-button */
1540         [o_btn_forward setTitle: _NS("Next")];
1541     }
1542     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1543         @"Transcode 2"])
1544     {
1545         /* show "Encap" */
1546         [o_tab_pageHolder selectTabViewItemAtIndex:4];
1547     }
1548     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1549         @"Streaming 2"])
1550     {
1551         /* show "Encap" */
1552         [o_tab_pageHolder selectTabViewItemAtIndex:4];
1553     }
1554     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1555         @"Encap"])
1556     {
1557         /* show "Transcode 1" */
1558         [o_tab_pageHolder selectTabViewItemAtIndex:3];
1559     }
1560     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1561         @"Streaming 1"])
1562     {
1563         /* show "Input" */
1564         [o_tab_pageHolder selectTabViewItemAtIndex:1];
1565     }
1566     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1567         @"Transcode 1"])
1568     {
1569         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1570         {
1571             /* show "Streaming 1" */
1572             [o_tab_pageHolder selectTabViewItemAtIndex:2];
1573         }else{
1574             /* show "Input" */
1575             [o_tab_pageHolder selectTabViewItemAtIndex:1];
1576         }
1577     }
1578     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1579         @"Input"])
1580     {
1581         /* reset the wizard before going backwards. Otherwise, we might get
1582          * unwanted behaviours in the Encap-Selection */
1583         [self resetWizard];
1584         /* show "Hello" */
1585         [o_tab_pageHolder selectTabViewItemAtIndex:0];
1586         /* disable backwards-btn */
1587         [o_btn_backward setEnabled:NO];
1588     }
1589 }
1590
1591 - (IBAction)t1_mrInfo_streaming:(id)sender
1592 {
1593     /* show a sheet for the help */
1594     NSBeginInformationalAlertSheet(_NS("Stream to network"), \
1595         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1596         _NS("Use this to stream on a network."));
1597 }
1598
1599 - (IBAction)t1_mrInfo_transcode:(id)sender
1600 {
1601     /* show a sheet for the help */
1602     NSBeginInformationalAlertSheet(_NS("Transcode/Save to file"), \
1603         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1604         _NS("Use this to save a stream to a file. You "\
1605         "have the possibility to reencode the stream. You can save whatever "\
1606         "VLC can read.\nPlease notice that VLC is not very suited " \
1607         "for file to file transcoding. You should use its transcoding " \
1608         "features to save network streams, for example."));
1609 }
1610
1611 - (IBAction)t2_addNewStream:(id)sender
1612 {
1613     NSOpenPanel * openPanel = [NSOpenPanel openPanel];
1614     SEL sel = @selector(t2_getNewStreamFromDialog:returnCode:contextInfo:);
1615     [openPanel beginSheetForDirectory:nil file:nil types:nil modalForWindow: \
1616         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1617 }
1618
1619 - (void)t2_getNewStreamFromDialog: (NSOpenPanel *)sheet returnCode: \
1620     (int)returnCode contextInfo: (void *)contextInfo
1621 {
1622     if (returnCode == NSOKButton)
1623     {
1624         [o_t2_fld_pathToNewStrm setStringValue: [@"file://" \
1625             stringByAppendingString: [sheet filename]]];
1626     }
1627 }
1628
1629 - (IBAction)t2_chooseStreamOrPlst:(id)sender
1630 {
1631     /* enable and disable the respective items depending on user's choice */
1632     NSString *o_mode;
1633     o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
1634
1635     if( [o_mode isEqualToString: _NS("Select a stream")] )
1636     {
1637         [o_t2_btn_chooseFile setEnabled:YES];
1638         [o_t2_fld_pathToNewStrm setEnabled:YES];
1639         [o_t2_tbl_plst setEnabled:NO];
1640     } else {
1641         [o_t2_btn_chooseFile setEnabled:NO];
1642         [o_t2_fld_pathToNewStrm setEnabled:NO];
1643         [o_t2_tbl_plst setEnabled:YES];
1644     }
1645 }
1646
1647 - (IBAction)t2_enableExtract:(id)sender
1648 {
1649     /* enable/disable the respective items */
1650     if([o_t2_ckb_enblPartExtrct state] == NSOnState)
1651     {
1652         [o_t2_fld_prtExtrctFrom setEnabled:YES];
1653         [o_t2_fld_prtExtrctTo setEnabled:YES];
1654     } else {
1655         [o_t2_fld_prtExtrctFrom setEnabled:NO];
1656         [o_t2_fld_prtExtrctTo setEnabled:NO];
1657         [o_t2_fld_prtExtrctFrom setStringValue:@""];
1658         [o_t2_fld_prtExtrctTo setStringValue:@""];
1659     }
1660 }
1661
1662 - (IBAction)t3_strmMthdChanged:(id)sender
1663 {
1664     /* change the captions of o_t3_txt_destInfo according to the chosen
1665      * streaming method */
1666     int mode;
1667     mode = [[o_t3_matrix_stmgMhd selectedCell] tag];
1668     if( mode == 0 )
1669     {
1670         /* HTTP */
1671         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:0] \
1672             objectAtIndex:2]];
1673         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:0] \
1674             objectAtIndex:3]];
1675     }
1676     else if( mode == 1 )
1677     {
1678         /* MMS */
1679         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:1] \
1680             objectAtIndex:2]];
1681         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:1] \
1682             objectAtIndex:3]];
1683     }
1684     else if( mode == 2 )
1685     {
1686         /* UDP-Unicast */
1687         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:2] \
1688             objectAtIndex:2]];
1689         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:2] \
1690         objectAtIndex:3]];
1691     }
1692     else if( mode == 3 )
1693     {
1694         /* UDP-Multicast */
1695         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:3] \
1696             objectAtIndex:2]];
1697         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:3] \
1698         objectAtIndex:3]];
1699     }
1700     else if( mode == 4 )
1701     {
1702         /* RTP-Unicast */
1703         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:4] \
1704             objectAtIndex:2]];
1705         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:4] \
1706             objectAtIndex:3]];
1707     }
1708     else if( mode == 5 )
1709     {
1710         /* RTP-Multicast */
1711         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:5] \
1712             objectAtIndex:2]];
1713         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:5] \
1714         objectAtIndex:3]];
1715     }
1716 }
1717
1718 - (IBAction)t4_AudCdcChanged:(id)sender
1719 {
1720     /* update codec info */
1721     [o_t4_txt_hintAudio setStringValue:[[o_audioCodecs objectAtIndex: \
1722         [o_t4_pop_audioCodec indexOfSelectedItem]] objectAtIndex:2]];
1723 }
1724
1725 - (IBAction)t4_enblAudTrnscd:(id)sender
1726 {
1727     /* enable/disable the respective items */
1728     if([o_t4_ckb_audio state] == NSOnState)
1729     {
1730         [o_t4_pop_audioCodec setEnabled:YES];
1731         [o_t4_pop_audioBitrate setEnabled:YES];
1732         [o_t4_txt_hintAudio setStringValue: _NS("Select your audio codec. "\
1733         "Click one to get more information.")];
1734     } else {
1735         [o_t4_pop_audioCodec setEnabled:NO];
1736         [o_t4_pop_audioBitrate setEnabled:NO];
1737         [o_t4_txt_hintAudio setStringValue: _NS("If your stream has audio " \
1738         "and you want to transcode it, enable this.")];
1739     }
1740 }
1741
1742 - (IBAction)t4_enblVidTrnscd:(id)sender
1743 {
1744     /* enable/disable the respective items */
1745     if([o_t4_ckb_video state] == NSOnState)
1746     {
1747         [o_t4_pop_videoCodec setEnabled:YES];
1748         [o_t4_pop_videoBitrate setEnabled:YES];
1749         [o_t4_txt_hintVideo setStringValue: _NS("Select your video codec. "\
1750         "Click one to get more information.")];
1751     } else {
1752         [o_t4_pop_videoCodec setEnabled:NO];
1753         [o_t4_pop_videoBitrate setEnabled:NO];
1754         [o_t4_txt_hintVideo setStringValue: _NS("If your stream has video " \
1755         "and you want to transcode it, enable this.")];
1756     }
1757 }
1758
1759 - (IBAction)t4_VidCdcChanged:(id)sender
1760 {
1761     /* update codec info */
1762     [o_t4_txt_hintVideo setStringValue:[[o_videoCodecs objectAtIndex: \
1763         [o_t4_pop_videoCodec indexOfSelectedItem]] objectAtIndex:2]];
1764 }
1765
1766 - (IBAction)t6_enblSapAnnce:(id)sender
1767 {
1768     /* enable/disable input fld */
1769     if([o_t6_ckb_sap state] == NSOnState)
1770     {
1771         [o_t6_fld_sap setEnabled:YES];
1772     } else {
1773         [o_t6_fld_sap setEnabled:NO];
1774         [o_t6_fld_sap setStringValue:@""];
1775     }
1776 }
1777
1778 - (IBAction)t6_mrInfo_ttl:(id)sender
1779 {
1780     /* show a sheet for the help */
1781     NSBeginInformationalAlertSheet(_NS("Time-To-Live (TTL)"), \
1782         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1783         _NS("Define the TTL (Time-To-Live) of the stream. "\
1784             "This parameter is the maximum number of routers your stream can " \
1785             "go through. If you don't know what it means, or if you want to " \
1786             "stream on your local network only, leave this setting to 1."));
1787 }
1788
1789 - (IBAction)t6_mrInfo_sap:(id)sender
1790 {
1791     /* show a sheet for the help */
1792     NSBeginInformationalAlertSheet(_NS("SAP Announce"), \
1793         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1794         _NS("When streaming using UDP, you can " \
1795         "announce your streams using the SAP/SDP announcing protocol. This " \
1796         "way, the clients won't have to type in the multicast address, it " \
1797         "will appear in their playlist if they enable the SAP extra " \
1798         "interface.\nIf you want to give a name to your stream, enter it " \
1799         "here, else, a default name will be used."));
1800 }
1801
1802 - (IBAction)t67_mrInfo_local:(id)sender
1803 {
1804     /* show a sheet for the help */
1805     NSBeginInformationalAlertSheet(_NS("Local playback"), \
1806             _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1807             _NS("When this option is enabled, the stream will be both played " \
1808             "and transcoded/streamed.\n\nNote that this requires much more " \
1809             "CPU power than simple transcoding or streaming."));
1810 }
1811
1812 - (IBAction)t7_selectTrnscdDestFile:(id)sender
1813 {
1814     /* provide a save-to-dialogue, so the user can choose a location for
1815      * his/her new file. We take a modified NSOpenPanel to select a folder
1816      * and a plain NSSavePanel to save a single file. */
1817
1818     SEL sel = @selector(t7_getTrnscdDestFile:returnCode:contextInfo:);
1819
1820     if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1821     {
1822         NSOpenPanel * saveFolderPanel = [[NSOpenPanel alloc] init];
1823
1824         [saveFolderPanel setCanChooseDirectories: YES];
1825         [saveFolderPanel setCanChooseFiles: NO];
1826         [saveFolderPanel setCanSelectHiddenExtension: NO];
1827         [saveFolderPanel setCanCreateDirectories: YES];
1828         [saveFolderPanel beginSheetForDirectory:nil file:nil modalForWindow: \
1829         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1830     }
1831     else
1832     {
1833         NSSavePanel * saveFilePanel = [[NSSavePanel alloc] init];
1834
1835         /* don't use ".ps" as suffix, since the OSX Finder confuses our
1836          * creations with PostScript-files and wants to open them with
1837          * Preview.app */
1838         NSString * theEncapFormat = [[o_encapFormats objectAtIndex: \
1839         [[o_userSelections objectForKey:@"encapFormat"] intValue]] \
1840         objectAtIndex:0];
1841         if( theEncapFormat != @"ps" )
1842             [saveFilePanel setRequiredFileType: theEncapFormat];
1843         else
1844             [saveFilePanel setRequiredFileType: @"mpg"];
1845
1846         [saveFilePanel setCanSelectHiddenExtension: YES];
1847         [saveFilePanel setCanCreateDirectories: YES];
1848         [saveFilePanel beginSheetForDirectory:nil file:nil modalForWindow: \
1849         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1850     }
1851 }
1852
1853 - (void)t7_getTrnscdDestFile: (NSOpenPanel *)sheet returnCode: \
1854     (int)returnCode contextInfo: (void *)contextInfo
1855 {
1856     if (returnCode == NSOKButton)
1857     {
1858         /* output returned path to text-field, add a / to the end if the user
1859          * selected a folder */
1860         if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1861             [o_t7_fld_filePath setStringValue: [NSString stringWithFormat: \
1862                 @"%@/", [sheet filename]]];
1863         else
1864             [o_t7_fld_filePath setStringValue:[sheet filename]];
1865     }
1866     [sheet release];
1867 }
1868
1869 @end