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 "playlist.h"
  37 #import <vlc_interface.h>
  38
  39 /*****************************************************************************
  40  * VLCWizard implementation
  41  *****************************************************************************/
  42
  43 @implementation VLCWizard
  44
  45 static VLCWizard *_o_sharedInstance = nil;
  46
  47 + (VLCWizard *)sharedInstance
  48 {
  49     return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
  50 }
  51
  52 - (id)init
  53 {
  54     if (_o_sharedInstance) {
  55         [self dealloc];
  56     } else {
  57         _o_sharedInstance = [super init];
  58     }
  59
  60     return _o_sharedInstance;
  61 }
  62
  63 - (void)dealloc
  64 {
  65     [o_userSelections release];
  66     [o_videoCodecs release];
  67     [o_audioCodecs release];
  68     [o_encapFormats release];
  69     [super dealloc];
  70 }
  71
  72 - (void)awakeFromNib
  73 {
  74     /* some minor cleanup */
  75     [o_t2_tbl_plst setEnabled:NO];
  76     o_userSelections = [[NSMutableDictionary alloc] init];
  77     [o_btn_backward setEnabled:NO];
  78
  79     /* add audio-bitrates for transcoding */
  80     NSArray * audioBitratesArray;
  81     audioBitratesArray = [NSArray arrayWithObjects: @"512", @"256", @"192", \
  82         @"128", @"64", @"32", @"16", nil ];
  83     [o_t4_pop_audioBitrate removeAllItems];
  84     [o_t4_pop_audioBitrate addItemsWithTitles: audioBitratesArray];
  85     [o_t4_pop_audioBitrate selectItemWithTitle: @"192"];
  86
  87     /* add video-bitrates for transcoding */
  88     NSArray * videoBitratesArray;
  89     videoBitratesArray = [NSArray arrayWithObjects: @"3072", @"2048", @"1024", \
  90         @"768", @"512", @"256", @"192", @"128", @"64", @"32", @"16", nil ];
  91     [o_t4_pop_videoBitrate removeAllItems];
  92     [o_t4_pop_videoBitrate addItemsWithTitles: videoBitratesArray];
  93     [o_t4_pop_videoBitrate selectItemWithTitle: @"1024"];
  94
  95     /* fill 2 global arrays with arrays containing all codec-related information
  96      * - one array per codec named by its short name to define the encap-compability,
  97      *     cmd-names, real names, more info in the order: realName, shortName,
  98      *     moreInfo, encaps */
  99     NSArray * o_mp1v;
 100     NSArray * o_mp2v;
 101     NSArray * o_mp4v;
 102     NSArray * o_div1;
 103     NSArray * o_div2;
 104     NSArray * o_div3;
 105     NSArray * o_h263;
 106     NSArray * o_h264;
 107     NSArray * o_wmv1;
 108     NSArray * o_wmv2;
 109     NSArray * o_mjpg;
 110     NSArray * o_theo;
 111     NSArray * o_dummyVid;
 112     o_mp1v = [NSArray arrayWithObjects: @"MPEG-1 Video", @"mp1v", \
 113         _NS("MPEG-1 Video codec (usable with MPEG PS, MPEG TS, MPEG1, OGG " \
 114         "and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_OGG", @"MUX_RAW", \
 115         @"NO", @"NO", @"NO", @"NO", nil];
 116     o_mp2v = [NSArray arrayWithObjects: @"MPEG-2 Video", @"mp2v", \
 117         _NS("MPEG-2 Video codec (usable with MPEG PS, MPEG TS, MPEG1, OGG " \
 118         "and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_OGG", @"MUX_RAW", \
 119         @"NO", @"NO", @"NO", @"NO", nil];
 120     o_mp4v = [NSArray arrayWithObjects: @"MPEG-4 Video", @"mp4v", \
 121         _NS("MPEG-4 Video codec (useable with MPEG PS, MPEG TS, MPEG1, ASF, " \
 122         "MP4, OGG and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", \
 123         @"MUX_MP4", @"MUX_OGG", @"MUX_RAW", @"NO", @"NO", nil];
 124     o_div1 = [NSArray arrayWithObjects: @"DIVX 1", @"DIV1", \
 125         _NS("DivX first version (useable with MPEG TS, MPEG1, ASF and OGG)"), \
 126         @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO", \
 127         @"NO", @"NO", nil];
 128     o_div2 = [NSArray arrayWithObjects: @"DIVX 2", @"DIV2", \
 129         _NS("DivX second version (useable with MPEG TS, MPEG1, ASF and OGG)"), \
 130         @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO", \
 131         @"NO", @"NO", nil];
 132     o_div3 = [NSArray arrayWithObjects: @"DIVX 3", @"DIV3", \
 133         _NS("DivX third version (useable with MPEG TS, MPEG1, ASF and OGG)"), \
 134         @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO", \
 135         @"NO", @"NO", nil];
 136     o_h263 = [NSArray arrayWithObjects: @"H.263", @"h263", \
 137         _NS("H263 is a video codec optimized for videoconference " \
 138         "(low rates, useable with MPEG TS)"), @"MUX_TS", @"NO", @"NO", @"NO", \
 139         @"NO", @"NO", @"NO", @"NO", @"NO", nil];
 140     o_h264 = [NSArray arrayWithObjects: @"H.264", @"h264", \
 141         _NS("H264 is a new video codec (useable with MPEG TS and MP4)"), \
 142         @"MUX_TS", @"MUX_MP4", @"NO", @"NO", @"NO", @"NO", @"NO", @"NO", \
 143         @"NO", nil];
 144     o_wmv1 = [NSArray arrayWithObjects: @"WMV 1", @"WMV1", \
 145         _NS("WMV (Windows Media Video) 1 (useable with MPEG TS, MPEG1, ASF and " \
 146         "OGG)"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", \
 147         @"NO", @"NO", @"NO", nil];
 148     o_wmv2 = [NSArray arrayWithObjects: @"WMV 2", @"WMV2", \
 149         _NS("WMV (Windows Media Video) 2 (useable with MPEG TS, MPEG1, ASF and " \
 150         "OGG)"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", \
 151         @"NO", @"NO", @"NO", nil];
 152     o_mjpg = [NSArray arrayWithObjects: @"MJPEG", @"MJPG", \
 153         _NS("MJPEG consists of a series of JPEG pictures (useable with MPEG TS," \
 154         " MPEG1, ASF and OGG)"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", \
 155         @"NO", @"NO", @"NO", @"NO", @"NO", nil];
 156     o_theo = [NSArray arrayWithObjects: @"Theora", @"theo", \
 157         _NS("Theora is a free general-purpose codec (useable with MPEG TS " \
 158         "and OGG)"), @"MUX_TS", @"MUX_OGG", @"NO", @"NO", @"NO", @"NO", @"NO", \
 159         @"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 point", @"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 requests on. Do not enter anything if " \
 259         "you want to listen on all the network interfaces. 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 not the most efficient, as the server needs "\
 263         "to send the stream several times, but generally the most compatible"), nil];
 264     o_mms = [NSArray arrayWithObjects: @"mmsh", @"MMS", _NS("Enter the local " \
 265         "addresses you want to listen requests on. Do not enter anything if " \
 266         "you want to listen on all the network interfaces. 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         "won't work over the 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. RTP headers will be added to the stream"), 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         "won't work over Internet. RTP headers will be added to the stream"), 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     b_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( b_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 allows to configure " \
 369         "simple streaming or transcoding setups.")];
 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         "The Open and 'Saving/Streaming' dialogs will give access to more " \
 375         "features.")];
 376     [[o_t1_matrix_strmgOrTrnscd cellAtRow:0 column:0] setTitle: _NS("Stream " \
 377         "to network")];
 378     [[o_t1_matrix_strmgOrTrnscd cellAtRow:1 column:0] setTitle: _NS("" \
 379         "Transcode/Save to file")];
 380
 381     /* page two ("Input") */
 382     [o_t2_title setStringValue: _NS("Choose input")];
 383     [o_t2_text setStringValue: _NS("Choose here your input stream.")];
 384     [[o_t2_matrix_inputSourceType cellAtRow:0 column:0] setTitle:  \
 385         _NS("Select a stream")];
 386     [[o_t2_matrix_inputSourceType cellAtRow:1 column:0] setTitle: \
 387         _NS("Existing playlist item")];
 388     [o_t2_btn_chooseFile setTitle: _NS("Choose...")];
 389     [[[o_t2_tbl_plst tableColumnWithIdentifier:@"1"] headerCell] \
 390         setStringValue: _NS("Title")];
 391     [[[o_t2_tbl_plst tableColumnWithIdentifier:@"2"] headerCell] \
 392         setStringValue: _NS("Author")];
 393     [o_t2_box_prtExtrct setTitle: _NS("Partial Extract")];
 394     [o_t2_ckb_enblPartExtrct setTitle: _NS("Enable")];
 395     [o_t2_ckb_enblPartExtrct setToolTip: _NS("This can be used to read only a "\
 396         "part of the stream. It must be possible to control the incoming "\
 397         "stream (for example, a file or a disc, but not an UDP network stream.) " \
 398         "The starting and ending times can be given in seconds.")];
 399     [o_t2_txt_prtExtrctFrom setStringValue: _NS("From")];
 400     [o_t2_txt_prtExtrctTo setStringValue: _NS("To")];
 401
 402     /* page three ("Streaming 1") */
 403     [o_t3_txt_title setStringValue: _NS("Streaming")];
 404     [o_t3_txt_text setStringValue: _NS("This page allows to select how " \
 405         "the input stream will be sent.")];
 406     [o_t3_box_dest setTitle: _NS("Destination")];
 407     [o_t3_box_strmgMthd setTitle: _NS("Streaming method")];
 408     [o_t3_txt_destInfo setStringValue: _NS("Address of the computer " \
 409         "to stream to.")];
 410     [[o_t3_matrix_stmgMhd cellAtRow:0 column:0] setTitle: _NS("UDP Unicast")];
 411     [[o_t3_matrix_stmgMhd cellAtRow:0 column:1] setTitle: _NS("UDP Multicast")];
 412     [o_t3_txt_strgMthdInfo setStringValue: _NS("Use this to stream to a single " \
 413         "computer.")];
 414
 415     /* page four ("Transcode 1") */
 416     [o_t4_title setStringValue: _NS("Transcode")];
 417     [o_t4_text setStringValue: _NS("This page allows to change the compression " \
 418         "format of the audio or video tracks. To change only " \
 419         "the container format, proceed to next page.")];
 420     [o_t4_box_audio setTitle: _NS("Audio")];
 421     [o_t4_box_video setTitle: _NS("Video")];
 422     [o_t4_ckb_audio setTitle: _NS("Transcode audio")];
 423     [o_t4_ckb_video setTitle: _NS("Transcode video")];
 424     [o_t4_txt_videoBitrate setStringValue: _NS("Bitrate (kb/s)")];
 425     [o_t4_txt_videoCodec setStringValue: _NS("Codec")];
 426     [o_t4_txt_hintAudio setStringValue: _NS("Enabling this allows to transcode "\
 427     "the audio track if one is present in the stream.")];
 428     [o_t4_txt_hintVideo setStringValue: _NS("Enabling this allows to transcode "\
 429     "the video track if one is present in the stream.")];
 430
 431     /* page five ("Encap") */
 432     [o_t5_title setStringValue: _NS("Encapsulation format")];
 433     [o_t5_text setStringValue: _NS("This page allows to select how the " \
 434         "stream will be encapsulated. Depending on previously chosen settings "
 435         "all formats won't be available.")];
 436
 437     /* page six ("Streaming 2") */
 438     [o_t6_title setStringValue: _NS("Additional streaming options")];
 439     [o_t6_text setStringValue: _NS("In this page, a few " \
 440                               "additional streaming parameters can be set.")];
 441     [o_t6_txt_ttl setStringValue: _NS("Time-To-Live (TTL)")];
 442     [o_t6_btn_mrInfo_ttl setTitle: _NS("More Info")];
 443     [o_t6_ckb_sap setTitle: _NS("SAP Announce")];
 444     [o_t6_btn_mrInfo_sap setTitle: _NS("More Info")];
 445     [o_t6_ckb_local setTitle: _NS("Local playback")];
 446     [o_t6_btn_mrInfo_local setTitle: _NS("More Info")];
 447
 448     /* page seven ("Transcode 2") */
 449     [o_t7_title setStringValue: _NS("Additional transcode options")];
 450     [o_t7_text setStringValue: _NS("In this page, a few " \
 451                               "additional transcoding parameters can be set.")];
 452     [o_t7_txt_saveFileTo setStringValue: _NS("Select the file to save to")];
 453     [o_t7_btn_chooseFile setTitle: _NS("Choose...")];
 454     [o_t7_ckb_local setTitle: _NS("Local playback")];
 455     [o_t7_btn_mrInfo_local setTitle: _NS("More Info")];
 456
 457     /* page eight ("Summary") */
 458     [o_t8_txt_text setStringValue: _NS("This page lists all the settings." \
 459         "Click \"Finish\" to start streaming or transcoding.")];
 460     [o_t8_txt_title setStringValue: _NS("Summary")];
 461     [o_t8_txt_destination setStringValue: [_NS("Destination") \
 462         stringByAppendingString: @":"]];
 463     [o_t8_txt_encapFormat setStringValue: [_NS("Encap. format") \
 464         stringByAppendingString: @":"]];
 465     [o_t8_txt_inputStream setStringValue: [_NS("Input stream") \
 466         stringByAppendingString: @":"]];
 467     [o_t8_txt_partExtract setStringValue: [_NS("Partial Extract") \
 468         stringByAppendingString: @":"]];
 469     [o_t8_txt_sap setStringValue: [_NS("SAP Announce") \
 470         stringByAppendingString: @":"]];
 471     [o_t8_txt_saveFileTo setStringValue: [_NS("Save file to") \
 472         stringByAppendingString: @":"]];
 473     [o_t8_txt_strmgMthd setStringValue: [_NS("Streaming method") \
 474         stringByAppendingString: @":"]];
 475     [o_t8_txt_trnscdAudio setStringValue: [_NS("Transcode audio") \
 476         stringByAppendingString: @":"]];
 477     [o_t8_txt_trnscdVideo setStringValue: [_NS("Transcode video") \
 478         stringByAppendingString: @":"]];
 479     [o_t8_txt_local setStringValue: [_NS("Local playback") \
 480         stringByAppendingString: @":"]];
 481 }
 482
 483 - (void)initWithExtractValuesFrom: (NSString *)from to: (NSString *)to \
 484     ofItem: (NSString *)item
 485 {
 486     [self resetWizard];
 487     msg_Dbg(VLCIntf, "wizard was reseted");
 488     [o_userSelections setObject:@"trnscd" forKey:@"trnscdOrStrmg"];
 489     [o_btn_backward setEnabled:YES];
 490     [o_tab_pageHolder selectTabViewItemAtIndex:1];
 491     [o_t2_fld_prtExtrctFrom setStringValue: from];
 492     [o_t2_fld_prtExtrctTo setStringValue: to];
 493     [o_t2_fld_pathToNewStrm setStringValue: item];
 494     [o_t1_matrix_strmgOrTrnscd selectCellAtRow:1 column:0];
 495     [[o_t1_matrix_strmgOrTrnscd cellAtRow:0 column:0] setState: NSOffState];
 496     [o_t2_ckb_enblPartExtrct setState: NSOnState];
 497     [self t2_enableExtract: nil];
 498     msg_Dbg(VLCIntf, "wizard interface is set");
 499
 500     [o_wizard_window center];
 501     [o_wizard_window display];
 502     [o_wizard_window makeKeyAndOrderFront:nil];
 503     msg_Dbg(VLCIntf, "wizard window displayed");
 504 }
 505
 506 - (IBAction)cancelRun:(id)sender
 507 {
 508     [o_wizard_window close];
 509 }
 510
 511 - (id)getPlaylistWizard
 512 {
 513     return o_playlist_wizard;
 514 }
 515
 516 - (IBAction)nextTab:(id)sender
 517 {
 518     if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Hello"])
 519     {
 520         /* check whether the user wants to stream or just to transcode;
 521          * store information for later usage */
 522         NSString *o_mode;
 523         o_mode = [[o_t1_matrix_strmgOrTrnscd selectedCell] title];
 524         if( [o_mode isEqualToString: _NS("Stream to network")] )
 525         {
 526             /* we will be streaming */
 527             [o_userSelections setObject:@"strmg" forKey:@"trnscdOrStrmg"];
 528         }
 529         else
 530         {
 531             /* we will just do some transcoding */
 532             [o_userSelections setObject:@"trnscd" forKey:@"trnscdOrStrmg"];
 533         }
 534         [o_btn_backward setEnabled:YES];
 535         [o_tab_pageHolder selectTabViewItemAtIndex:1];
 536
 537         /* Fill the playlist with current playlist items */
 538         [o_playlist_wizard reloadOutlineView];
 539
 540     }
 541     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Input"])
 542     {
 543         /* check whether partialExtract is enabled and store the values, if needed */
 544         if ([o_t2_ckb_enblPartExtrct state] == NSOnState)
 545         {
 546             [o_userSelections setObject:@"YES" forKey:@"partExtract"];
 547             [o_userSelections setObject:[o_t2_fld_prtExtrctFrom stringValue] \
 548                 forKey:@"partExtractFrom"];
 549             [o_userSelections setObject:[o_t2_fld_prtExtrctTo stringValue] \
 550                 forKey:@"partExtractTo"];
 551         }else{
 552             [o_userSelections setObject:@"NO" forKey:@"partExtract"];
 553         }
 554
 555         /* check whether we use an existing pl-item or add an new one;
 556          * store the path or the index and set a flag.
 557          * complain to the user if s/he didn't provide a path */
 558         NSString *o_mode;
 559         BOOL stop;
 560         stop = NO;
 561         o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
 562         if( [o_mode isEqualToString: _NS("Select a stream")] )
 563         {
 564             [o_userSelections setObject:@"YES" forKey:@"newStrm"];
 565             if ([[o_t2_fld_pathToNewStrm stringValue] isEqualToString: @""])
 566             {
 567                 /* set a flag that no file is selected */
 568                 stop = YES;
 569             }
 570             else
 571             {
 572                 [o_userSelections setObject:[NSArray arrayWithObject:
 573                     [o_t2_fld_pathToNewStrm stringValue]] forKey:@"pathToStrm"];
 574             }
 575         }
 576         else
 577         {
 578             if ([o_t2_tbl_plst numberOfSelectedRows] > 0)
 579             {
 580                 int x = 0;
 581                 int y = [[o_t2_tbl_plst selectedRowIndexes] count];
 582                 NSMutableArray * tempArray = [[NSMutableArray alloc] init];
 583                 while( x != y )
 584                 {
 585                     playlist_item_t *p_item =
 586                         [[o_t2_tbl_plst itemAtRow:
 587                             [[o_t2_tbl_plst selectedRowIndexes]
 588                             indexGreaterThanOrEqualToIndex: x]] pointerValue];
 589
 590                     if( p_item->i_children <= 0 )
 591                     {
 592                         [tempArray addObject: [NSString stringWithUTF8String:
 593                         p_item->p_input->psz_uri]];
 594                         stop = NO;
 595                     }
 596                     else
 597                         stop = YES;
 598                     x += 1;
 599                 }
 600                 [o_userSelections setObject:[NSArray arrayWithArray: tempArray]
 601                     forKey:@"pathToStrm"];
 602                 [tempArray release];
 603             }
 604             else
 605             {
 606                 /* set a flag that no item is selected */
 607                 stop = YES;
 608             }
 609         }
 610
 611         /* show either "Streaming 1" or "Transcode 1" to the user */
 612         if (stop == NO)
 613         {
 614             if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] \
 615                 isEqualToString:@"strmg"])
 616             {
 617                 /* we are streaming */
 618                 [o_tab_pageHolder selectTabViewItemAtIndex:2];
 619             }else{
 620                 /* we are just transcoding */
 621
 622                 /* rebuild the menues for the codec-selections */
 623                 [self rebuildCodecMenus];
 624
 625                 [o_tab_pageHolder selectTabViewItemAtIndex:3];
 626             }
 627         } else {
 628             /* show a sheet that the user didn't select a file */
 629             NSBeginInformationalAlertSheet(_NS("No input selected"), \
 630                 _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
 631                 _NS("No new stream or valid playlist item has been selected.\n\n" \
 632                 "Choose one before going to the next page."));
 633         }
 634     }
 635     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
 636         @"Streaming 1"])
 637     {
 638         /* rebuild the menues for the codec-selections */
 639         [self rebuildCodecMenus];
 640
 641         /* check which streaming method is selected and store it */
 642         int mode;
 643         mode = [[o_t3_matrix_stmgMhd selectedCell] tag];
 644         if( mode == 0 )
 645         {
 646             /* HTTP Streaming */
 647             [o_userSelections setObject:@"0" forKey:@"stmgMhd"];
 648
 649             /* disable all codecs which don't support MPEG PS, MPEG TS, MPEG 1,
 650              * OGG, RAW or ASF */
 651             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 652             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
 653
 654         } else if ( mode == 1 )
 655         {
 656             /* MMS Streaming */
 657             [o_userSelections setObject:@"1" forKey:@"stmgMhd"];
 658
 659             /* disable all codecs which don't support ASF / ASFH */
 660             [o_t4_pop_audioCodec removeItemWithTitle:@"MPEG 4 Audio"];
 661             [o_t4_pop_audioCodec removeItemWithTitle:@"Vorbis"];
 662             [o_t4_pop_audioCodec removeItemWithTitle:@"FLAC"];
 663             [o_t4_pop_audioCodec removeItemWithTitle:@"Speex"];
 664             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 665             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
 666
 667             [o_t4_pop_videoCodec removeItemWithTitle:@"MPEG-1 Video"];
 668             [o_t4_pop_videoCodec removeItemWithTitle:@"MPEG-2 Video"];
 669             [o_t4_pop_videoCodec removeItemWithTitle:@"H.263"];
 670             [o_t4_pop_videoCodec removeItemWithTitle:@"H.264"];
 671             [o_t4_pop_videoCodec removeItemWithTitle:@"MJPEG"];
 672             [o_t4_pop_videoCodec removeItemWithTitle:@"Theora"];
 673         } else {
 674             /* RTP/UDP Unicast/Multicast Streaming */
 675             [o_userSelections setObject: [[NSNumber numberWithInt: mode] \
 676                 stringValue] forKey:@"stmgMhd"];
 677
 678             /* disable all codecs which don't support MPEG-TS */
 679             [o_t4_pop_audioCodec removeItemWithTitle:@"Vorbis"];
 680             [o_t4_pop_audioCodec removeItemWithTitle:@"FLAC"];
 681             [o_t4_pop_audioCodec removeItemWithTitle:@"Speex"];
 682             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 683             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
 684         }
 685
 686         /* store the destination and check whether is it empty */
 687         if([[o_userSelections objectForKey:@"stmgMhd"] intValue] >=2 )
 688         {
 689            /* empty field is valid for HTTP and MMS */
 690             if( [[o_t3_fld_address stringValue] isEqualToString: @""] )
 691             {
 692                 /* complain to the user that "" is no valid dest. */
 693                 NSBeginInformationalAlertSheet(_NS("No valid destination"), \
 694                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
 695                     _NS("A valid destination has to be selected "\
 696                     "Enter either a Unicast-IP or a Multicast-IP." \
 697                     "\n\nIf you don't know what this means, have a look at " \
 698                     "the VLC Streaming HOWTO and the help texts in this " \
 699                     "window."));
 700             } else {
 701                 /* FIXME: check whether the entered IP is really valid */
 702                 [o_userSelections setObject:[o_t3_fld_address stringValue] \
 703                     forKey:@"stmgDest"];
 704                 /* let's go to the transcode-1-tab */
 705                 [o_tab_pageHolder selectTabViewItemAtIndex:3];
 706             }
 707         } else {
 708             [o_userSelections setObject:[o_t3_fld_address stringValue] \
 709                 forKey:@"stmgDest"];
 710             /* let's go to the transcode-1-tab */
 711             [o_tab_pageHolder selectTabViewItemAtIndex:3];
 712         }
 713     }
 714     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
 715         @"Transcode 1"])
 716     {
 717         /* check whether the user wants to transcode the video-track and store
 718          * the related options */
 719         if ([o_t4_ckb_video state] == NSOnState)
 720         {
 721             NSNumber * theNum;
 722             theNum = [NSNumber numberWithInt:[o_t4_pop_videoCodec indexOfSelectedItem]];
 723             [o_userSelections setObject:@"YES" forKey:@"trnscdVideo"];
 724             [o_userSelections setObject:[o_t4_pop_videoBitrate titleOfSelectedItem] \
 725                 forKey:@"trnscdVideoBitrate"];
 726             [o_userSelections setObject:theNum forKey:@"trnscdVideoCodec"];
 727         } else {
 728             [o_userSelections setObject:@"NO" forKey:@"trnscdVideo"];
 729         }
 730
 731         /* check whether the user wants to transcode the audio-track and store
 732          * the related options */
 733         if ([o_t4_ckb_audio state] == NSOnState)
 734         {
 735             NSNumber * theNum;
 736             theNum = [NSNumber numberWithInt:[o_t4_pop_audioCodec indexOfSelectedItem]];
 737             [o_userSelections setObject:@"YES" forKey:@"trnscdAudio"];
 738             [o_userSelections setObject:[o_t4_pop_audioBitrate titleOfSelectedItem] \
 739                 forKey:@"trnscdAudioBitrate"];
 740             [o_userSelections setObject:theNum forKey:@"trnscdAudioCodec"];
 741         } else {
 742             [o_userSelections setObject:@"NO" forKey:@"trnscdAudio"];
 743         }
 744
 745         /* disable all encap-formats */
 746         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
 747         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:NO];
 748         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
 749         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
 750         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
 751         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
 752         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
 753         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
 754         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
 755         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
 756         [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
 757
 758         /* re-enable the encap-formats supported by the chosen codecs */
 759         /* FIXME: the following is a really bad coding-style. feel free to mail
 760             me ideas how to make this nicer, if you want to -- FK, 7/11/05 */
 761
 762         if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualTo: @"YES"])
 763         {
 764             if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
 765             {
 766                 /* we are transcoding both audio and video, so we need to check both deps */
 767                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 768                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
 769                 {
 770                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections \
 771                         objectForKey:@"trnscdAudioCodec"] intValue]] \
 772                         containsObject: @"MUX_PS"])
 773                     {
 774                         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 775                         [o_t5_matrix_encap selectCellAtRow:0 column:0];
 776                     }
 777                 }
 778                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections \
 779                     objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
 780                 {
 781                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 782                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
 783                     {
 784                         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 785                         [o_t5_matrix_encap selectCellAtRow:1 column:0];
 786                     }
 787                 }
 788                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 789                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
 790                 {
 791                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 792                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
 793                     {
 794                         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 795                         [o_t5_matrix_encap selectCellAtRow:2 column:0];
 796                     }
 797                 }
 798                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 799                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
 800                 {
 801                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections \
 802                         objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
 803                     {
 804                         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 805                         [o_t5_matrix_encap selectCellAtRow:3 column:0];
 806                     }
 807                 }
 808                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 809                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
 810                 {
 811                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 812                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
 813                     {
 814                         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 815                         [o_t5_matrix_encap selectCellAtRow:4 column:0];
 816                     }
 817                 }
 818                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 819                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
 820                 {
 821                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 822                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
 823                     {
 824                         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 825                         [o_t5_matrix_encap selectCellAtRow:5 column:0];
 826                     }
 827                 }
 828                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 829                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
 830                 {
 831                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 832                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
 833                     {
 834                         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 835                         [o_t5_matrix_encap selectCellAtRow:6 column:0];
 836                     }
 837                 }
 838                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 839                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
 840                 {
 841                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 842                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
 843                     {
 844                         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 845                         [o_t5_matrix_encap selectCellAtRow:7 column:0];
 846                     }
 847                 }
 848                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 849                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
 850                 {
 851                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 852                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
 853                     {
 854                         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 855                         [o_t5_matrix_encap selectCellAtRow:8 column:0];
 856                     }
 857                 }
 858                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 859                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
 860                 {
 861                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 862                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
 863                     {
 864                         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 865                         [o_t5_matrix_encap selectCellAtRow:9 column:0];
 866                     }
 867                 }
 868
 869             } else {
 870
 871                 /* we just transcoding the audio */
 872
 873                 /* select formats supported by the audio codec */
 874                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 875                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_PS"])
 876                 {
 877                     [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 878                     [o_t5_matrix_encap selectCellAtRow:0 column:0];
 879                 }
 880                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 881                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
 882                 {
 883                     [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 884                     [o_t5_matrix_encap selectCellAtRow:1 column:0];
 885                 }
 886                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 887                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
 888                 {
 889                     [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 890                     [o_t5_matrix_encap selectCellAtRow:2 column:0];
 891                 }
 892                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 893                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
 894                 {
 895                     [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 896                     [o_t5_matrix_encap selectCellAtRow:3 column:0];
 897                 }
 898                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 899                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
 900                 {
 901                     [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 902                     [o_t5_matrix_encap selectCellAtRow:4 column:0];
 903                 }
 904                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 905                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
 906                 {
 907                     [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 908                     [o_t5_matrix_encap selectCellAtRow:5 column:0];
 909                 }
 910                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 911                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
 912                 {
 913                     [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 914                     [o_t5_matrix_encap selectCellAtRow:6 column:0];
 915                 }
 916                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 917                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
 918                 {
 919                     [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 920                     [o_t5_matrix_encap selectCellAtRow:7 column:0];
 921                 }
 922                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 923                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
 924                 {
 925                     [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 926                     [o_t5_matrix_encap selectCellAtRow:8 column:0];
 927                 }
 928                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 929                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
 930                 {
 931                     [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 932                     [o_t5_matrix_encap selectCellAtRow:9 column:0];
 933                 }
 934             }
 935         }
 936         else if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
 937         {
 938             /* we are just transcoding the video */
 939
 940             /* select formats supported by the video-codec */
 941
 942             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 943                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
 944             {
 945                 [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 946                 [o_t5_matrix_encap selectCellAtRow:0 column:0];
 947             }
 948             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 949                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
 950             {
 951                 [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 952                 [o_t5_matrix_encap selectCellAtRow:1 column:0];
 953             }
 954             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 955                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
 956             {
 957                 [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 958                 [o_t5_matrix_encap selectCellAtRow:2 column:0];
 959             }
 960             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 961                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
 962             {
 963                 [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 964                 [o_t5_matrix_encap selectCellAtRow:3 column:0];
 965             }
 966             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 967                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
 968             {
 969                 [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 970                 [o_t5_matrix_encap selectCellAtRow:4 column:0];
 971             }
 972             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 973                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
 974             {
 975                 [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 976                 [o_t5_matrix_encap selectCellAtRow:5 column:0];
 977             }
 978             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 979                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
 980             {
 981                 [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 982                 [o_t5_matrix_encap selectCellAtRow:6 column:0];
 983             }
 984             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 985                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
 986             {
 987                 [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 988                 [o_t5_matrix_encap selectCellAtRow:7 column:0];
 989             }
 990             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 991                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
 992             {
 993                 [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 994                 [o_t5_matrix_encap selectCellAtRow:8 column:0];
 995             }
 996             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 997                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
 998             {
 999                 [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
1000                 [o_t5_matrix_encap selectCellAtRow:9 column:0];
1001             }
1002         } else {
1003             /* we don't do any transcoding
1004              * -> enabled the encap-formats allowed when streaming content via
1005              * http plus MP4 since this should work fine in most cases */
1006
1007             /* FIXME: choose a selection of encap-formats based upon the
1008              * actually used codecs */
1009
1010             /* enable MPEG PS, MPEG TS, MPEG 1, OGG, RAW, ASF, MP4 and MOV
1011              * select MPEG PS */
1012             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
1013             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
1014             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
1015             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
1016             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
1017             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
1018             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1019             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
1020             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
1021             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1022             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1023             [o_t5_matrix_encap selectCellAtRow:0 column:0];
1024         }
1025
1026         if ( [o_userSelections objectForKey:@"stmgMhd"] == @"1" )
1027         {
1028             /* if MMS is the streaming protocol, only ASFH is available */
1029             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
1030             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:NO];
1031             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
1032             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
1033             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
1034             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
1035             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1036             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1037             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1038             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1039             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:YES];
1040             [o_t5_matrix_encap selectCellAtRow:10 column:0];
1041         }
1042         else if ( [o_userSelections objectForKey:@"stmgMhd"] == @"0" )
1043         {
1044             /* if HTTP is the streaming protocol, disable all unsupported
1045              * encap-formats, but don't touch the other ones selected above */
1046             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1047             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1048             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1049             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1050             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1051         }
1052         else if ( [[o_userSelections objectForKey:@"stmgMhd"] intValue] >= 2 )
1053         {
1054             /* if UDP/RTP is the streaming protocol, only MPEG-TS is available */
1055             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
1056             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
1057             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
1058             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
1059             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
1060             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1061             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1062             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1063             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1064             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1065             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
1066             [o_t5_matrix_encap selectCellAtRow:1 column:0];
1067         }
1068         int x;
1069         BOOL anythingEnabled;
1070         x = 0;
1071         anythingEnabled = NO;
1072         while (x != [o_t5_matrix_encap numberOfRows])
1073         {
1074             if ([[o_t5_matrix_encap cellAtRow:x column:0] isEnabled])
1075             {
1076                 anythingEnabled = YES;
1077             }
1078             x += 1;
1079         }
1080         if (anythingEnabled == YES)
1081         {
1082             /* go the encap-tab */
1083             [o_tab_pageHolder selectTabViewItemAtIndex:4];
1084         } else {
1085             /* show a sheet that the selected codecs are not compatible */
1086             NSBeginInformationalAlertSheet(_NS("Invalid selection"), _NS("OK"), \
1087                 @"", @"", o_wizard_window, nil, nil, nil, nil, _NS("The " \
1088                 "chosen codecs are not compatible with each other. For example: " \
1089                 "It is impossibleto  mix uncompressed audio with any video codec.\n\n" \
1090                 "Correct your selection and try again."));
1091         }
1092
1093     }
1094     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Encap"])
1095     {
1096         /* get the chosen encap format and store it */
1097         NSNumber * theNum;
1098         theNum = [NSNumber numberWithInt:[[o_t5_matrix_encap selectedCell] tag]];
1099         [o_userSelections setObject:[theNum stringValue] forKey:@"encapFormat"];
1100
1101         /* show either "Streaming 2" or "Transcode 2" to the user */
1102         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1103         {
1104             /* we are streaming */
1105             [o_tab_pageHolder selectTabViewItemAtIndex:5];
1106         }else{
1107             /* we are just transcoding */
1108             [o_tab_pageHolder selectTabViewItemAtIndex:6];
1109             /* in case that we are processing multiple items, let the user
1110              * select a folder instead of a localtion for a single item */
1111             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1112             {
1113                 [o_t7_txt_saveFileTo setStringValue:
1114                     _NS("Select the directory to save to")];
1115             }
1116             else
1117             {
1118                 [o_t7_txt_saveFileTo setStringValue:
1119                     _NS("Select the file to save to")];
1120             }
1121         }
1122     }
1123     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1124         @"Streaming 2"])
1125     {
1126         /* store the chosen TTL */
1127         [o_userSelections setObject:[o_t6_fld_ttl stringValue] forKey:@"ttl"];
1128
1129         /* check whether SAP is enabled and store the announce, if needed */
1130         if ([o_t6_ckb_sap state] == NSOnState)
1131         {
1132             [o_userSelections setObject:@"YES" forKey:@"sap"];
1133             [o_userSelections setObject:[o_t6_fld_sap stringValue] forKey:@"sapText"];
1134         } else {
1135             [o_userSelections setObject:@"NO" forKey:@"sap"];
1136         }
1137
1138         /* local playback? */
1139         if ([o_t6_ckb_local state] == NSOnState)
1140         {
1141             [o_userSelections setObject:@"YES" forKey:@"localPb"];
1142         } else {
1143             [o_userSelections setObject:@"NO" forKey:@"localPb"];
1144         }
1145
1146         /* go to "Summary" */
1147         [self showSummary];
1148     }
1149     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1150         @"Transcode 2"])
1151     {
1152         /* local playback? */
1153         if ([o_t7_ckb_local state] == NSOnState)
1154         {
1155             [o_userSelections setObject:@"YES" forKey:@"localPb"];
1156         } else {
1157             [o_userSelections setObject:@"NO" forKey:@"localPb"];
1158         }
1159
1160         /* check whether the path != "" and store it */
1161         if( [[o_t7_fld_filePath stringValue] isEqualToString: @""] )
1162         {
1163             /* complain to the user that "" is no valid path for a folder/file */
1164             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1165                 NSBeginInformationalAlertSheet(_NS("No folder selected"), \
1166                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1167                     [NSString stringWithFormat: @"%@\n\n%@", _NS("A directory "
1168                     "where to save the files has to be selected."),
1169                     _NS("Enter either a valid path or use the \"Choose...\" " \
1170                     "button to select a location.")]);
1171             else
1172                 NSBeginInformationalAlertSheet(_NS("No file selected"), \
1173                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1174                     [NSString stringWithFormat: @"%@\n\n%@", _NS("A file " \
1175                     "where to save the stream has to be selected."),
1176                     _NS("Enter either a valid path or use the \"Choose\" " \
1177                     "button to select a location.")]);
1178         } else {
1179             /* create a string containing the requested suffix for later usage */
1180             NSString * theEncapFormat = [[o_encapFormats objectAtIndex:
1181                 [[o_userSelections objectForKey:@"encapFormat"] intValue]] \
1182                 objectAtIndex:0];
1183             if( theEncapFormat == @"ps" )
1184                 theEncapFormat = @"mpg";
1185
1186             /* look whether we need to process multiple items or not.
1187              * choose a faster variant if we just want a single item */
1188             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1189             {
1190                 NSMutableArray * tempArray = [[NSMutableArray alloc] init];
1191                 int x = 0;
1192                 int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1193                 NSMutableString * tempString = [[NSMutableString alloc] init];
1194                 while( x != y )
1195                 {
1196                     NSString * fileNameToUse;
1197                     /* check whether the extension is hidden or not.
1198                      * if not, remove it
1199                      * we need the casting to make GCC4 happy */
1200                     if( [[[NSFileManager defaultManager] fileAttributesAtPath: \
1201                         [[o_userSelections objectForKey:@"pathToStrm"] \
1202                         objectAtIndex: x] traverseLink: NO] objectForKey: \
1203                         NSFileExtensionHidden] )
1204                         fileNameToUse = [NSString stringWithString:
1205                             [[NSFileManager defaultManager] displayNameAtPath:
1206                             [[o_userSelections objectForKey:@"pathToStrm"]
1207                             objectAtIndex: x]]];
1208                     else
1209                     {
1210                         int z = 0;
1211                         int count = [[[[NSFileManager defaultManager] \
1212                             displayNameAtPath: \
1213                             [[o_userSelections objectForKey:@"pathToStrm"] \
1214                             objectAtIndex: x]] \
1215                             componentsSeparatedByString: @"."] count];
1216                         fileNameToUse = @"";
1217                         while( z < (count - 1) )
1218                         {
1219                             fileNameToUse = [fileNameToUse stringByAppendingString:
1220                                 [[[[NSFileManager defaultManager] \
1221                                 displayNameAtPath: \
1222                                 [[o_userSelections objectForKey:@"pathToStrm"] \
1223                                 objectAtIndex: x]] \
1224                                 componentsSeparatedByString: @"."] \
1225                                 objectAtIndex: z]];
1226                             z += 1;
1227                         }
1228                     }
1229                     tempString = [NSString stringWithFormat: @"%@%@.%@",
1230                         [o_t7_fld_filePath stringValue],
1231                         fileNameToUse, theEncapFormat];
1232                     if( [[NSFileManager defaultManager] fileExistsAtPath: \
1233                         tempString] )
1234                     {
1235                         /* we don't wanna overwrite existing files, so add an
1236                          * int to the file-name */
1237                         int additionalInt = 1;
1238                         while( additionalInt < 100 )
1239                         {
1240                             tempString = [NSString stringWithFormat:@"%@%@ %i.%@",
1241                                 [o_t7_fld_filePath stringValue],
1242                                 fileNameToUse, additionalInt, theEncapFormat];
1243                             if(! [[NSFileManager defaultManager] \
1244                                 fileExistsAtPath: tempString] )
1245                                 break;
1246                             additionalInt += 1;
1247                         }
1248                         if( additionalInt >= 100 )
1249                             msg_Err( VLCIntf, "Files with the same name are " \
1250                                 "already present in the destination directory. " \
1251                                 "Delete these files or choose a different directory." );
1252                     }
1253                     [tempArray addObject: [tempString retain]];
1254                     x += 1;
1255                 }
1256                 [o_userSelections setObject: [NSArray arrayWithArray:tempArray]
1257                     forKey: @"trnscdFilePath"];
1258                 [tempArray release];
1259                 [tempString release];
1260             }
1261             else
1262             {
1263                 /* we don't need to check for existing items because Cocoa
1264                  * does that already when we are asking the user for a location
1265                  * to save her file */
1266                 [o_userSelections setObject: [NSArray arrayWithObject: \
1267                     [o_t7_fld_filePath stringValue]] forKey: @"trnscdFilePath"];
1268             }
1269
1270             /* go to "Summary" */
1271             [self showSummary];
1272         }
1273     }
1274     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1275         @"Summary"])
1276     {
1277         intf_thread_t * p_intf = VLCIntf;
1278
1279         playlist_t * p_playlist = pl_Yield( p_intf );
1280
1281         int x = 0;
1282         int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1283         while( x != y )
1284         {
1285             /* we need a temp. variable here to work-around a GCC4-bug */
1286             NSString *tempString = [NSString stringWithFormat: \
1287                 @"%@ (%i/%i)", _NS("Streaming/Transcoding Wizard"), \
1288                 ( x + 1 ), y];
1289             input_item_t *p_input = input_ItemNew( p_playlist, \
1290                 [[[o_userSelections objectForKey:@"pathToStrm"] \
1291                 objectAtIndex:x] UTF8String], \
1292                 [tempString UTF8String] );
1293             input_ItemAddOption( p_input, [[[o_userSelections \
1294                 objectForKey:@"opts"] objectAtIndex: x] UTF8String]);
1295
1296             if(! [[o_userSelections objectForKey:@"partExtractFrom"] \
1297                 isEqualToString:@""] )
1298             {
1299                 input_ItemAddOption( p_input, [[NSString \
1300                     stringWithFormat: @"start-time=%@", [o_userSelections \
1301                     objectForKey: @"partExtractFrom"]] UTF8String] );
1302             }
1303
1304             if(! [[o_userSelections objectForKey:@"partExtractTo"] \
1305                 isEqualToString:@""] )
1306             {
1307                 input_ItemAddOption( p_input, [[NSString \
1308                     stringWithFormat: @"stop-time=%@", [o_userSelections \
1309                     objectForKey: @"partExtractTo"]] UTF8String] );
1310             }
1311
1312             input_ItemAddOption( p_input, [[NSString stringWithFormat: \
1313                 @"ttl=%@", [o_userSelections objectForKey:@"ttl"]] \
1314                 UTF8String] );
1315
1316             playlist_AddInput( p_playlist, p_input, PLAYLIST_STOP,
1317                         PLAYLIST_END, VLC_TRUE );
1318
1319             if( x == 0 )
1320             {
1321                 /* play the first item and add the others afterwards */
1322                 playlist_item_t *p_item = playlist_ItemGetByInput( p_playlist, p_input, VLC_TRUE );
1323                 playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, VLC_TRUE, NULL,
1324                           p_item );
1325             }
1326
1327             x += 1;
1328         }
1329
1330         vlc_object_release( p_playlist );
1331
1332         /* close the window, since we are done */
1333         [o_wizard_window close];
1334     }
1335 }
1336
1337 - (void)rebuildCodecMenus
1338 {
1339     int savePreviousSel = 0;
1340     savePreviousSel = [o_t4_pop_videoCodec indexOfSelectedItem];
1341     [o_t4_pop_videoCodec removeAllItems];
1342     unsigned int x;
1343     x = 0;
1344     while (x != [o_videoCodecs count])
1345     {
1346         [o_t4_pop_videoCodec addItemWithTitle:[[o_videoCodecs objectAtIndex:x] \
1347             objectAtIndex:0]];
1348         x += 1;
1349     }
1350     if( b_keepSettingsOrNot && savePreviousSel >= 0 )
1351         [o_t4_pop_videoCodec selectItemAtIndex: savePreviousSel];
1352
1353     savePreviousSel = [o_t4_pop_audioCodec indexOfSelectedItem];
1354     [o_t4_pop_audioCodec removeAllItems];
1355     x = 0;
1356     while (x != [o_audioCodecs count])
1357     {
1358         [o_t4_pop_audioCodec addItemWithTitle:[[o_audioCodecs objectAtIndex:x] \
1359             objectAtIndex:0]];
1360         x += 1;
1361     }
1362     if( b_keepSettingsOrNot && savePreviousSel >= 0 )
1363         [o_t4_pop_audioCodec selectItemAtIndex: savePreviousSel];
1364 }
1365
1366 - (void)showSummary
1367 {
1368     [o_btn_forward setTitle: _NS("Finish")];
1369     /* if we will transcode multiple items, just give their number; otherwise
1370      * print the URI of the single item */
1371     if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1372         [o_t8_fld_inptStream setStringValue: [NSString stringWithFormat:
1373             _NS("%i items"),
1374             [[o_userSelections objectForKey:@"pathToStrm"] count]]];
1375     else
1376         [o_t8_fld_inptStream setStringValue:
1377             [[o_userSelections objectForKey:@"pathToStrm"] objectAtIndex: 0]];
1378
1379     if ([[o_userSelections objectForKey:@"localPb"] isEqualToString: @"YES"])
1380     {
1381         [o_t8_fld_local setStringValue: _NS("yes")];
1382     } else {
1383         [o_t8_fld_local setStringValue: _NS("no")];
1384     }
1385
1386     if ([[o_userSelections objectForKey:@"partExtract"] isEqualToString: @"YES"])
1387     {
1388         [o_t8_fld_partExtract setStringValue: [NSString stringWithFormat:
1389             _NS("yes: from %@ to %@ secs"),
1390             [o_userSelections objectForKey:@"partExtractFrom"],
1391             [o_userSelections objectForKey:@"partExtractTo"]]];
1392     } else {
1393         [o_t8_fld_partExtract setStringValue: _NS("no")];
1394     }
1395
1396     if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
1397     {
1398         [o_t8_fld_trnscdVideo setStringValue: [NSString stringWithFormat:
1399             _NS("yes: %@ @ %@ kb/s"),
1400             [[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
1401             @"trnscdVideoCodec"] intValue]] objectAtIndex:0],
1402             [o_userSelections objectForKey:@"trnscdVideoBitrate"]]];
1403     }
1404     else
1405     {
1406         [o_t8_fld_trnscdVideo setStringValue: _NS("no")];
1407     }
1408     if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1409     {
1410         [o_t8_fld_trnscdAudio setStringValue: [NSString stringWithFormat:
1411             _NS("yes: %@ @ %@ kb/s"),
1412             [[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
1413                 @"trnscdAudioCodec"] intValue]] objectAtIndex:0],
1414             [o_userSelections objectForKey:@"trnscdAudioBitrate"]]];
1415     }
1416     else
1417     {
1418         [o_t8_fld_trnscdAudio setStringValue: _NS("no")];
1419     }
1420
1421
1422     if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1423     {
1424         /* we are streaming and perhaps also transcoding */
1425         [o_t8_fld_saveFileTo setStringValue: @"-"];
1426         [o_t8_fld_strmgMthd setStringValue: [[o_strmgMthds objectAtIndex: \
1427             [[o_userSelections objectForKey:@"stmgMhd"] intValue]] \
1428             objectAtIndex:1]];
1429         [o_t8_fld_destination setStringValue: [o_userSelections objectForKey: \
1430             @"stmgDest"]];
1431         [o_t8_fld_ttl setStringValue: [o_userSelections objectForKey:@"ttl"]];
1432         if ([[o_userSelections objectForKey:@"sap"] isEqualToString: @"YES"])
1433         {
1434             [o_t8_fld_sap setStringValue:
1435                 [_NS("yes") stringByAppendingFormat: @": \"%@\"",
1436                     [o_userSelections objectForKey:@"sapText"]]];
1437         }else{
1438             [o_t8_fld_sap setStringValue: _NS("no")];
1439         }
1440     } else {
1441         /* we are transcoding */
1442         [o_t8_fld_strmgMthd setStringValue: @"-"];
1443         [o_t8_fld_destination setStringValue: @"-"];
1444         [o_t8_fld_ttl setStringValue: @"-"];
1445         [o_t8_fld_sap setStringValue: @"-"];
1446         /* do only show the destination of the first item and add a counter, if needed */
1447         if( [[o_userSelections objectForKey: @"trnscdFilePath"] count] > 1 )
1448             [o_t8_fld_saveFileTo setStringValue: \
1449                 [NSString stringWithFormat: @"%@ (+%i)", \
1450                 [[o_userSelections objectForKey: @"trnscdFilePath"] objectAtIndex:0], \
1451                 ([[o_userSelections objectForKey: @"trnscdFilePath"] count] - 1)]];
1452         else
1453             [o_t8_fld_saveFileTo setStringValue: \
1454                 [[o_userSelections objectForKey: @"trnscdFilePath"] objectAtIndex:0]];
1455     }
1456     [o_t8_fld_encapFormat setStringValue: [[o_encapFormats objectAtIndex: \
1457         [[o_userSelections objectForKey:@"encapFormat"] intValue]] objectAtIndex:1]];
1458
1459     [self createOpts];
1460     [o_t8_fld_mrl setStringValue: [[o_userSelections objectForKey:@"opts"]
1461         objectAtIndex: 0]];
1462
1463     [o_tab_pageHolder selectTabViewItemAtIndex:7];
1464 }
1465
1466 - (void) createOpts
1467 {
1468     NSMutableString * o_opts_string = [NSMutableString stringWithString:@""];
1469     NSMutableString *o_trnscdCmd = [NSMutableString stringWithString:@""];
1470     NSMutableString *o_duplicateCmd = [NSMutableString stringWithString:@""];
1471     int x = 0;
1472     int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1473     NSMutableArray * tempArray = [[NSMutableArray alloc] init];
1474
1475     /* loop to create an opt-string for each item we're processing */
1476     while( x != y )
1477     {
1478         /* check whether we transcode the audio and/or the video and compose a
1479          * string reflecting the settings, if needed */
1480         if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
1481         {
1482             [o_trnscdCmd appendString: @"transcode{"];
1483             [o_trnscdCmd appendFormat: @"vcodec=%s,vb=%i", [[[o_videoCodecs \
1484                 objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] \
1485                 intValue]] objectAtIndex:1] UTF8String],  [[o_userSelections \
1486                 objectForKey:@"trnscdVideoBitrate"] intValue]];
1487             if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1488             {
1489                 [o_trnscdCmd appendString: @","];
1490             }
1491             else
1492             {
1493                 [o_trnscdCmd appendString: @"}:"];
1494             }
1495         }
1496
1497         /* check whether the user requested local playback. if yes, prepare the
1498          * string, if not, let it empty */
1499         if ([[o_userSelections objectForKey:@"localPb"] isEqualToString:@"YES"])
1500         {
1501             [o_duplicateCmd appendString: @"duplicate{dst=display,dst=\""];
1502         }
1503
1504         if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1505         {
1506             if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"NO"])
1507             {
1508                 /* in case we transcode the audio only, add this */
1509                 [o_trnscdCmd appendString: @"transcode{"];
1510             }
1511             [o_trnscdCmd appendFormat: @"acodec=%s,ab=%i}:", [[[o_audioCodecs \
1512                 objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] \
1513                 intValue]] objectAtIndex:1] UTF8String],  [[o_userSelections \
1514                 objectForKey:@"trnscdAudioBitrate"] intValue]];
1515         }
1516
1517         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"trnscd"])
1518         {
1519             /* we are just transcoding and dumping the stuff to a file */
1520             [o_opts_string appendFormat: \
1521                 @":sout=#%s%sstandard{mux=%s,dst=%s,access=file}", [o_duplicateCmd \
1522                 UTF8String], [o_trnscdCmd UTF8String], [[[o_encapFormats \
1523                 objectAtIndex: [[o_userSelections objectForKey:@"encapFormat"] \
1524                 intValue]] objectAtIndex:0] UTF8String], [[[o_userSelections \
1525                 objectForKey: @"trnscdFilePath"] objectAtIndex: x] UTF8String]];
1526         }
1527         else
1528         {
1529
1530             /* we are streaming */
1531             if ([[o_userSelections objectForKey:@"sap"] isEqualToString:@"YES"])
1532             {
1533                 /* SAP-Announcement is requested */
1534                 NSMutableString *o_sap_option = [NSMutableString stringWithString:@""];
1535                 if([[o_userSelections objectForKey:@"sapText"] isEqualToString:@""])
1536                 {
1537                     [o_sap_option appendString: @"sap"];
1538                 }
1539                 else
1540                 {
1541                     [o_sap_option appendFormat: @"sap,name=\"%s\"", \
1542                         [[o_userSelections objectForKey:@"sapText"] UTF8String]];
1543                 }
1544                 [o_opts_string appendFormat: \
1545                     @":sout=#%s%sstandard{mux=%s,dst=%s,access=%s,%s}", \
1546                     [o_duplicateCmd UTF8String], [o_trnscdCmd UTF8String], \
1547                     [[[o_encapFormats objectAtIndex: [[o_userSelections \
1548                     objectForKey: @"encapFormat"] intValue]] objectAtIndex:0] \
1549                     UTF8String], [[o_userSelections objectForKey: @"stmgDest"] \
1550                     UTF8String], [[[o_strmgMthds objectAtIndex: [[o_userSelections \
1551                     objectForKey: @"stmgMhd"] intValue]] objectAtIndex:0] \
1552                     UTF8String], [o_sap_option UTF8String]];
1553             }
1554             else
1555             {
1556                 /* no SAP, just streaming */
1557                 [o_opts_string appendFormat: \
1558                     @":sout=#%s%sstandard{mux=%s,dst=%s,access=%s}", \
1559                     [o_duplicateCmd UTF8String], [o_trnscdCmd UTF8String], \
1560                     [[[o_encapFormats objectAtIndex: [[o_userSelections \
1561                     objectForKey: @"encapFormat"] intValue]] objectAtIndex:0] \
1562                     UTF8String], [[o_userSelections objectForKey: \
1563                     @"stmgDest"] UTF8String], [[[o_strmgMthds objectAtIndex: \
1564                     [[o_userSelections objectForKey: @"stmgMhd"] intValue]] \
1565                     objectAtIndex:0] UTF8String]];
1566             }
1567         }
1568
1569         /* check whether the user requested local playback. if yes, close the
1570          * string with an additional bracket */
1571         if ([[o_userSelections objectForKey:@"localPb"] isEqualToString:@"YES"])
1572         {
1573             [o_opts_string appendString: @"\"}"];
1574         }
1575
1576         [tempArray addObject: o_opts_string];
1577
1578         o_opts_string = [NSMutableString stringWithString:@""];
1579         o_trnscdCmd = [NSMutableString stringWithString:@""];
1580         o_duplicateCmd = [NSMutableString stringWithString:@""];
1581         x += 1;
1582     }
1583     [o_userSelections setObject:[NSArray arrayWithArray: tempArray] forKey:@"opts"];
1584     [tempArray release];
1585 }
1586
1587 - (IBAction)prevTab:(id)sender
1588 {
1589     if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Summary"])
1590     {
1591         /* check whether we are streaming or transcoding and go back */
1592         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1593         {
1594             /* show "Streaming 2" */
1595             [o_tab_pageHolder selectTabViewItemAtIndex:5];
1596         }else{
1597             /* show "Transcode 2" */
1598             [o_tab_pageHolder selectTabViewItemAtIndex:6];
1599         }
1600         /* rename the forward-button */
1601         [o_btn_forward setTitle: _NS("Next")];
1602     }
1603     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1604         @"Transcode 2"])
1605     {
1606         /* show "Encap" */
1607         [o_tab_pageHolder selectTabViewItemAtIndex:4];
1608     }
1609     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1610         @"Streaming 2"])
1611     {
1612         /* show "Encap" */
1613         [o_tab_pageHolder selectTabViewItemAtIndex:4];
1614     }
1615     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1616         @"Encap"])
1617     {
1618         /* show "Transcode 1" */
1619         [o_tab_pageHolder selectTabViewItemAtIndex:3];
1620     }
1621     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1622         @"Streaming 1"])
1623     {
1624         /* show "Input" */
1625         [o_tab_pageHolder selectTabViewItemAtIndex:1];
1626     }
1627     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1628         @"Transcode 1"])
1629     {
1630         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1631         {
1632             /* show "Streaming 1" */
1633             [o_tab_pageHolder selectTabViewItemAtIndex:2];
1634         }else{
1635             /* show "Input" */
1636             [o_tab_pageHolder selectTabViewItemAtIndex:1];
1637         }
1638     }
1639     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1640         @"Input"])
1641     {
1642         /* reset the wizard before going backwards. Otherwise, we might get
1643          * unwanted behaviours in the Encap-Selection */
1644         [self resetWizard];
1645         /* show "Hello" */
1646         [o_tab_pageHolder selectTabViewItemAtIndex:0];
1647         /* disable backwards-btn */
1648         [o_btn_backward setEnabled:NO];
1649     }
1650 }
1651
1652 - (IBAction)t1_mrInfo_streaming:(id)sender
1653 {
1654     /* show a sheet for the help */
1655     NSBeginInformationalAlertSheet(_NS("Stream to network"), \
1656         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1657         _NS("This allows to stream on a network."));
1658 }
1659
1660 - (IBAction)t1_mrInfo_transcode:(id)sender
1661 {
1662     /* show a sheet for the help */
1663     NSBeginInformationalAlertSheet(_NS("Transcode/Save to file"), \
1664         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1665         _NS("This allows to save a stream to a file. The "\
1666         "can be reencoded on the fly. Whatever "\
1667         "VLC can read can be saved.\nPlease note that VLC is not very suited " \
1668         "for file to file transcoding. Its transcoding " \
1669         "features are however useful to save network streams, for example."));
1670 }
1671
1672 - (IBAction)t2_addNewStream:(id)sender
1673 {
1674     NSOpenPanel * openPanel = [NSOpenPanel openPanel];
1675     SEL sel = @selector(t2_getNewStreamFromDialog:returnCode:contextInfo:);
1676     [openPanel beginSheetForDirectory:nil file:nil types:nil modalForWindow: \
1677         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1678 }
1679
1680 - (void)t2_getNewStreamFromDialog: (NSOpenPanel *)sheet returnCode: \
1681     (int)returnCode contextInfo: (void *)contextInfo
1682 {
1683     if (returnCode == NSOKButton)
1684     {
1685         [o_t2_fld_pathToNewStrm setStringValue: [@"file://" \
1686             stringByAppendingString: [sheet filename]]];
1687     }
1688 }
1689
1690 - (IBAction)t2_chooseStreamOrPlst:(id)sender
1691 {
1692     /* enable and disable the respective items depending on user's choice */
1693     NSString *o_mode;
1694     o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
1695
1696     if( [o_mode isEqualToString: _NS("Select a stream")] )
1697     {
1698         [o_t2_btn_chooseFile setEnabled:YES];
1699         [o_t2_fld_pathToNewStrm setEnabled:YES];
1700         [o_t2_tbl_plst setEnabled:NO];
1701     } else {
1702         [o_t2_btn_chooseFile setEnabled:NO];
1703         [o_t2_fld_pathToNewStrm setEnabled:NO];
1704         [o_t2_tbl_plst setEnabled:YES];
1705     }
1706 }
1707
1708 - (IBAction)t2_enableExtract:(id)sender
1709 {
1710     /* enable/disable the respective items */
1711     if([o_t2_ckb_enblPartExtrct state] == NSOnState)
1712     {
1713         [o_t2_fld_prtExtrctFrom setEnabled:YES];
1714         [o_t2_fld_prtExtrctTo setEnabled:YES];
1715     } else {
1716         [o_t2_fld_prtExtrctFrom setEnabled:NO];
1717         [o_t2_fld_prtExtrctTo setEnabled:NO];
1718         [o_t2_fld_prtExtrctFrom setStringValue:@""];
1719         [o_t2_fld_prtExtrctTo setStringValue:@""];
1720     }
1721 }
1722
1723 - (IBAction)t3_strmMthdChanged:(id)sender
1724 {
1725     /* change the captions of o_t3_txt_destInfo according to the chosen
1726      * streaming method */
1727     int mode;
1728     mode = [[o_t3_matrix_stmgMhd selectedCell] tag];
1729     if( mode == 0 )
1730     {
1731         /* HTTP */
1732         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:0] \
1733             objectAtIndex:2]];
1734         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:0] \
1735             objectAtIndex:3]];
1736     }
1737     else if( mode == 1 )
1738     {
1739         /* MMS */
1740         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:1] \
1741             objectAtIndex:2]];
1742         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:1] \
1743             objectAtIndex:3]];
1744     }
1745     else if( mode == 2 )
1746     {
1747         /* UDP-Unicast */
1748         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:2] \
1749             objectAtIndex:2]];
1750         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:2] \
1751         objectAtIndex:3]];
1752     }
1753     else if( mode == 3 )
1754     {
1755         /* UDP-Multicast */
1756         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:3] \
1757             objectAtIndex:2]];
1758         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:3] \
1759         objectAtIndex:3]];
1760     }
1761     else if( mode == 4 )
1762     {
1763         /* RTP-Unicast */
1764         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:4] \
1765             objectAtIndex:2]];
1766         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:4] \
1767             objectAtIndex:3]];
1768     }
1769     else if( mode == 5 )
1770     {
1771         /* RTP-Multicast */
1772         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:5] \
1773             objectAtIndex:2]];
1774         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:5] \
1775         objectAtIndex:3]];
1776     }
1777 }
1778
1779 - (IBAction)t4_AudCdcChanged:(id)sender
1780 {
1781     /* update codec info */
1782     [o_t4_txt_hintAudio setStringValue:[[o_audioCodecs objectAtIndex: \
1783         [o_t4_pop_audioCodec indexOfSelectedItem]] objectAtIndex:2]];
1784 }
1785
1786 - (IBAction)t4_enblAudTrnscd:(id)sender
1787 {
1788     /* enable/disable the respective items */
1789     if([o_t4_ckb_audio state] == NSOnState)
1790     {
1791         [o_t4_pop_audioCodec setEnabled:YES];
1792         [o_t4_pop_audioBitrate setEnabled:YES];
1793         [o_t4_txt_hintAudio setStringValue: _NS("Select your audio codec. " \
1794         "Click one to get more information.")];
1795     } else {
1796         [o_t4_pop_audioCodec setEnabled:NO];
1797         [o_t4_pop_audioBitrate setEnabled:NO];
1798         [o_t4_txt_hintAudio setStringValue: _NS("Enabling this allows to transcode " \
1799         "the audio track if one is present in the stream.")];
1800     }
1801 }
1802
1803 - (IBAction)t4_enblVidTrnscd:(id)sender
1804 {
1805     /* enable/disable the respective items */
1806     if([o_t4_ckb_video state] == NSOnState)
1807     {
1808         [o_t4_pop_videoCodec setEnabled:YES];
1809         [o_t4_pop_videoBitrate setEnabled:YES];
1810         [o_t4_txt_hintVideo setStringValue: _NS("Select your video codec. "\
1811         "Click one to get more information.")];
1812     } else {
1813         [o_t4_pop_videoCodec setEnabled:NO];
1814         [o_t4_pop_videoBitrate setEnabled:NO];
1815         [o_t4_txt_hintVideo setStringValue: _NS("Enabling this allows to transcode " \
1816         "the video track if one is present in the stream.")];
1817
1818     }
1819 }
1820
1821 - (IBAction)t4_VidCdcChanged:(id)sender
1822 {
1823     /* update codec info */
1824     [o_t4_txt_hintVideo setStringValue:[[o_videoCodecs objectAtIndex: \
1825         [o_t4_pop_videoCodec indexOfSelectedItem]] objectAtIndex:2]];
1826 }
1827
1828 - (IBAction)t6_enblSapAnnce:(id)sender
1829 {
1830     /* enable/disable input fld */
1831     if([o_t6_ckb_sap state] == NSOnState)
1832     {
1833         [o_t6_fld_sap setEnabled:YES];
1834     } else {
1835         [o_t6_fld_sap setEnabled:NO];
1836         [o_t6_fld_sap setStringValue:@""];
1837     }
1838 }
1839
1840 - (IBAction)t6_mrInfo_ttl:(id)sender
1841 {
1842     /* show a sheet for the help */
1843     NSBeginInformationalAlertSheet(_NS("Time-To-Live (TTL)"), \
1844         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1845         _NS("This allows to define the TTL (Time-To-Live) of the stream. "\
1846             "This parameter is the maximum number of routers your stream can " \
1847             "go through. If you don't know what it means, or if you want to " \
1848             "stream on your local network only, leave this setting to 1."));
1849 }
1850
1851 - (IBAction)t6_mrInfo_sap:(id)sender
1852 {
1853     /* show a sheet for the help */
1854     NSBeginInformationalAlertSheet(_NS("SAP Announce"), \
1855         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1856         _NS("When streaming using UDP, the streams can be " \
1857         "announced using the SAP/SDP announcing protocol. This " \
1858         "way, the clients won't have to type in the multicast address, it " \
1859         "will appear in their playlist if they enable the SAP extra " \
1860         "interface.\nIf you want to give a name to your stream, enter it " \
1861         "here, else, a default name will be used."));
1862 }
1863
1864 - (IBAction)t67_mrInfo_local:(id)sender
1865 {
1866     /* show a sheet for the help */
1867     NSBeginInformationalAlertSheet(_NS("Local playback"), \
1868             _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1869             _NS("When this option is enabled, the stream will be both played " \
1870             "and transcoded/streamed.\n\nNote that this requires much more " \
1871             "CPU power than simple transcoding or streaming."));
1872 }
1873
1874 - (IBAction)t7_selectTrnscdDestFile:(id)sender
1875 {
1876     /* provide a save-to-dialogue, so the user can choose a location for
1877      * his/her new file. We take a modified NSOpenPanel to select a folder
1878      * and a plain NSSavePanel to save a single file. */
1879
1880     SEL sel = @selector(t7_getTrnscdDestFile:returnCode:contextInfo:);
1881
1882     if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1883     {
1884         NSOpenPanel * saveFolderPanel = [[NSOpenPanel alloc] init];
1885
1886         [saveFolderPanel setCanChooseDirectories: YES];
1887         [saveFolderPanel setCanChooseFiles: NO];
1888         [saveFolderPanel setCanSelectHiddenExtension: NO];
1889         [saveFolderPanel setCanCreateDirectories: YES];
1890         [saveFolderPanel beginSheetForDirectory:nil file:nil modalForWindow: \
1891         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1892     }
1893     else
1894     {
1895         NSSavePanel * saveFilePanel = [[NSSavePanel alloc] init];
1896
1897         /* don't use ".ps" as suffix, since the OSX Finder confuses our
1898          * creations with PostScript-files and wants to open them with
1899          * Preview.app */
1900         NSString * theEncapFormat = [[o_encapFormats objectAtIndex: \
1901         [[o_userSelections objectForKey:@"encapFormat"] intValue]] \
1902         objectAtIndex:0];
1903         if( theEncapFormat != @"ps" )
1904             [saveFilePanel setRequiredFileType: theEncapFormat];
1905         else
1906             [saveFilePanel setRequiredFileType: @"mpg"];
1907
1908         [saveFilePanel setCanSelectHiddenExtension: YES];
1909         [saveFilePanel setCanCreateDirectories: YES];
1910         [saveFilePanel beginSheetForDirectory:nil file:nil modalForWindow: \
1911         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1912     }
1913 }
1914
1915 - (void)t7_getTrnscdDestFile: (NSOpenPanel *)sheet returnCode: \
1916     (int)returnCode contextInfo: (void *)contextInfo
1917 {
1918     if (returnCode == NSOKButton)
1919     {
1920         /* output returned path to text-field, add a / to the end if the user
1921          * selected a folder */
1922         if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1923             [o_t7_fld_filePath setStringValue: [NSString stringWithFormat: \
1924                 @"%@/", [sheet filename]]];
1925         else
1926             [o_t7_fld_filePath setStringValue:[sheet filename]];
1927     }
1928     [sheet release];
1929 }
1930
1931 @end