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     [o_t6_ckb_soverlay setTitle: _NS("Add Subtitles to transcoded video")];
 448
 449     /* page seven ("Transcode 2") */
 450     [o_t7_title setStringValue: _NS("Additional transcode options")];
 451     [o_t7_text setStringValue: _NS("In this page, a few " \
 452                               "additional transcoding parameters can be set.")];
 453     [o_t7_txt_saveFileTo setStringValue: _NS("Select the file to save to")];
 454     [o_t7_btn_chooseFile setTitle: _NS("Choose...")];
 455     [o_t7_ckb_local setTitle: _NS("Local playback")];
 456     [o_t7_ckb_soverlay setTitle: _NS("Add Subtitles to transcoded video")];
 457     [o_t7_ckb_soverlay setToolTip: _NS("Adds available subtitles directly to " \
 458                                        "the video. These cannot be disabled " \
 459                                        "by the receiving user as they become " \
 460                                        "part of the image.")];
 461     [o_t7_btn_mrInfo_local setTitle: _NS("More Info")];
 462
 463     /* page eight ("Summary") */
 464     [o_t8_txt_text setStringValue: _NS("This page lists all the settings." \
 465         "Click \"Finish\" to start streaming or transcoding.")];
 466     [o_t8_txt_title setStringValue: _NS("Summary")];
 467     [o_t8_txt_destination setStringValue: [_NS("Destination") \
 468         stringByAppendingString: @":"]];
 469     [o_t8_txt_encapFormat setStringValue: [_NS("Encap. format") \
 470         stringByAppendingString: @":"]];
 471     [o_t8_txt_inputStream setStringValue: [_NS("Input stream") \
 472         stringByAppendingString: @":"]];
 473     [o_t8_txt_partExtract setStringValue: [_NS("Partial Extract") \
 474         stringByAppendingString: @":"]];
 475     [o_t8_txt_sap setStringValue: [_NS("SAP Announce") \
 476         stringByAppendingString: @":"]];
 477     [o_t8_txt_saveFileTo setStringValue: [_NS("Save file to") \
 478         stringByAppendingString: @":"]];
 479     [o_t8_txt_strmgMthd setStringValue: [_NS("Streaming method") \
 480         stringByAppendingString: @":"]];
 481     [o_t8_txt_trnscdAudio setStringValue: [_NS("Transcode audio") \
 482         stringByAppendingString: @":"]];
 483     [o_t8_txt_trnscdVideo setStringValue: [_NS("Transcode video") \
 484         stringByAppendingString: @":"]];
 485     [o_t8_txt_soverlay setStringValue: [_NS("Include subtitles") \
 486         stringByAppendingString: @":"]];
 487     [o_t8_txt_local setStringValue: [_NS("Local playback") \
 488         stringByAppendingString: @":"]];
 489 }
 490
 491 - (void)initWithExtractValuesFrom: (NSString *)from to: (NSString *)to \
 492     ofItem: (NSString *)item
 493 {
 494     [self resetWizard];
 495     msg_Dbg(VLCIntf, "wizard was reseted");
 496     [o_userSelections setObject:@"trnscd" forKey:@"trnscdOrStrmg"];
 497     [o_btn_backward setEnabled:YES];
 498     [o_tab_pageHolder selectTabViewItemAtIndex:1];
 499     [o_t2_fld_prtExtrctFrom setStringValue: from];
 500     [o_t2_fld_prtExtrctTo setStringValue: to];
 501     [o_t2_fld_pathToNewStrm setStringValue: item];
 502     [o_t1_matrix_strmgOrTrnscd selectCellAtRow:1 column:0];
 503     [[o_t1_matrix_strmgOrTrnscd cellAtRow:0 column:0] setState: NSOffState];
 504     [o_t2_ckb_enblPartExtrct setState: NSOnState];
 505     [self t2_enableExtract: nil];
 506     msg_Dbg(VLCIntf, "wizard interface is set");
 507
 508     [o_wizard_window center];
 509     [o_wizard_window display];
 510     [o_wizard_window makeKeyAndOrderFront:nil];
 511     msg_Dbg(VLCIntf, "wizard window displayed");
 512 }
 513
 514 - (IBAction)cancelRun:(id)sender
 515 {
 516     [o_wizard_window close];
 517 }
 518
 519 - (id)getPlaylistWizard
 520 {
 521     return o_playlist_wizard;
 522 }
 523
 524 - (IBAction)nextTab:(id)sender
 525 {
 526     if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Hello"])
 527     {
 528         /* check whether the user wants to stream or just to transcode;
 529          * store information for later usage */
 530         NSString *o_mode;
 531         o_mode = [[o_t1_matrix_strmgOrTrnscd selectedCell] title];
 532         if( [o_mode isEqualToString: _NS("Stream to network")] )
 533         {
 534             /* we will be streaming */
 535             [o_userSelections setObject:@"strmg" forKey:@"trnscdOrStrmg"];
 536         }
 537         else
 538         {
 539             /* we will just do some transcoding */
 540             [o_userSelections setObject:@"trnscd" forKey:@"trnscdOrStrmg"];
 541         }
 542         [o_btn_backward setEnabled:YES];
 543         [o_tab_pageHolder selectTabViewItemAtIndex:1];
 544
 545         /* Fill the playlist with current playlist items */
 546         [o_playlist_wizard reloadOutlineView];
 547
 548     }
 549     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Input"])
 550     {
 551         /* check whether partialExtract is enabled and store the values, if needed */
 552         if ([o_t2_ckb_enblPartExtrct state] == NSOnState)
 553         {
 554             [o_userSelections setObject:@"YES" forKey:@"partExtract"];
 555             [o_userSelections setObject:[o_t2_fld_prtExtrctFrom stringValue] \
 556                 forKey:@"partExtractFrom"];
 557             [o_userSelections setObject:[o_t2_fld_prtExtrctTo stringValue] \
 558                 forKey:@"partExtractTo"];
 559         }else{
 560             [o_userSelections setObject:@"NO" forKey:@"partExtract"];
 561         }
 562
 563         /* check whether we use an existing pl-item or add an new one;
 564          * store the path or the index and set a flag.
 565          * complain to the user if s/he didn't provide a path */
 566         NSString *o_mode;
 567         BOOL stop;
 568         stop = NO;
 569         o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
 570         if( [o_mode isEqualToString: _NS("Select a stream")] )
 571         {
 572             [o_userSelections setObject:@"YES" forKey:@"newStrm"];
 573             if ([[o_t2_fld_pathToNewStrm stringValue] isEqualToString: @""])
 574             {
 575                 /* set a flag that no file is selected */
 576                 stop = YES;
 577             }
 578             else
 579             {
 580                 [o_userSelections setObject:[NSArray arrayWithObject:
 581                     [o_t2_fld_pathToNewStrm stringValue]] forKey:@"pathToStrm"];
 582             }
 583         }
 584         else
 585         {
 586             if ([o_t2_tbl_plst numberOfSelectedRows] > 0)
 587             {
 588                 int x = 0;
 589                 int y = [[o_t2_tbl_plst selectedRowIndexes] count];
 590                 NSMutableArray * tempArray = [[NSMutableArray alloc] init];
 591                 while( x != y )
 592                 {
 593                     playlist_item_t *p_item =
 594                         [[o_t2_tbl_plst itemAtRow:
 595                             [[o_t2_tbl_plst selectedRowIndexes]
 596                             indexGreaterThanOrEqualToIndex: x]] pointerValue];
 597
 598                     if( p_item->i_children <= 0 )
 599                     {
 600                         [tempArray addObject: [NSString stringWithUTF8String:
 601                         p_item->p_input->psz_uri]];
 602                         stop = NO;
 603                     }
 604                     else
 605                         stop = YES;
 606                     x += 1;
 607                 }
 608                 [o_userSelections setObject:[NSArray arrayWithArray: tempArray]
 609                     forKey:@"pathToStrm"];
 610                 [tempArray release];
 611             }
 612             else
 613             {
 614                 /* set a flag that no item is selected */
 615                 stop = YES;
 616             }
 617         }
 618
 619         /* show either "Streaming 1" or "Transcode 1" to the user */
 620         if (stop == NO)
 621         {
 622             if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] \
 623                 isEqualToString:@"strmg"])
 624             {
 625                 /* we are streaming */
 626                 [o_tab_pageHolder selectTabViewItemAtIndex:2];
 627             }else{
 628                 /* we are just transcoding */
 629
 630                 /* rebuild the menues for the codec-selections */
 631                 [self rebuildCodecMenus];
 632
 633                 [o_tab_pageHolder selectTabViewItemAtIndex:3];
 634             }
 635         } else {
 636             /* show a sheet that the user didn't select a file */
 637             NSBeginInformationalAlertSheet(_NS("No input selected"), \
 638                 _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
 639                 _NS("No new stream or valid playlist item has been selected.\n\n" \
 640                 "Choose one before going to the next page."));
 641         }
 642     }
 643     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
 644         @"Streaming 1"])
 645     {
 646         /* rebuild the menues for the codec-selections */
 647         [self rebuildCodecMenus];
 648
 649         /* check which streaming method is selected and store it */
 650         int mode;
 651         mode = [[o_t3_matrix_stmgMhd selectedCell] tag];
 652         if( mode == 0 )
 653         {
 654             /* HTTP Streaming */
 655             [o_userSelections setObject:@"0" forKey:@"stmgMhd"];
 656
 657             /* disable all codecs which don't support MPEG PS, MPEG TS, MPEG 1,
 658              * OGG, RAW or ASF */
 659             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 660             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
 661
 662         } else if ( mode == 1 )
 663         {
 664             /* MMS Streaming */
 665             [o_userSelections setObject:@"1" forKey:@"stmgMhd"];
 666
 667             /* disable all codecs which don't support ASF / ASFH */
 668             [o_t4_pop_audioCodec removeItemWithTitle:@"MPEG 4 Audio"];
 669             [o_t4_pop_audioCodec removeItemWithTitle:@"Vorbis"];
 670             [o_t4_pop_audioCodec removeItemWithTitle:@"FLAC"];
 671             [o_t4_pop_audioCodec removeItemWithTitle:@"Speex"];
 672             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 673             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
 674
 675             [o_t4_pop_videoCodec removeItemWithTitle:@"MPEG-1 Video"];
 676             [o_t4_pop_videoCodec removeItemWithTitle:@"MPEG-2 Video"];
 677             [o_t4_pop_videoCodec removeItemWithTitle:@"H.263"];
 678             [o_t4_pop_videoCodec removeItemWithTitle:@"H.264"];
 679             [o_t4_pop_videoCodec removeItemWithTitle:@"MJPEG"];
 680             [o_t4_pop_videoCodec removeItemWithTitle:@"Theora"];
 681         } else {
 682             /* RTP/UDP Unicast/Multicast Streaming */
 683             [o_userSelections setObject: [[NSNumber numberWithInt: mode] \
 684                 stringValue] forKey:@"stmgMhd"];
 685
 686             /* disable all codecs which don't support MPEG-TS */
 687             [o_t4_pop_audioCodec removeItemWithTitle:@"Vorbis"];
 688             [o_t4_pop_audioCodec removeItemWithTitle:@"FLAC"];
 689             [o_t4_pop_audioCodec removeItemWithTitle:@"Speex"];
 690             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 691             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
 692         }
 693
 694         /* store the destination and check whether is it empty */
 695         if([[o_userSelections objectForKey:@"stmgMhd"] intValue] >=2 )
 696         {
 697            /* empty field is valid for HTTP and MMS */
 698             if( [[o_t3_fld_address stringValue] isEqualToString: @""] )
 699             {
 700                 /* complain to the user that "" is no valid dest. */
 701                 NSBeginInformationalAlertSheet(_NS("No valid destination"), \
 702                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
 703                     _NS("A valid destination has to be selected "\
 704                     "Enter either a Unicast-IP or a Multicast-IP." \
 705                     "\n\nIf you don't know what this means, have a look at " \
 706                     "the VLC Streaming HOWTO and the help texts in this " \
 707                     "window."));
 708             } else {
 709                 /* FIXME: check whether the entered IP is really valid */
 710                 [o_userSelections setObject:[o_t3_fld_address stringValue] \
 711                     forKey:@"stmgDest"];
 712                 /* let's go to the transcode-1-tab */
 713                 [o_tab_pageHolder selectTabViewItemAtIndex:3];
 714             }
 715         } else {
 716             [o_userSelections setObject:[o_t3_fld_address stringValue] \
 717                 forKey:@"stmgDest"];
 718             /* let's go to the transcode-1-tab */
 719             [o_tab_pageHolder selectTabViewItemAtIndex:3];
 720         }
 721     }
 722     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
 723         @"Transcode 1"])
 724     {
 725         /* check whether the user wants to transcode the video-track and store
 726          * the related options */
 727         if ([o_t4_ckb_video state] == NSOnState)
 728         {
 729             NSNumber * theNum;
 730             theNum = [NSNumber numberWithInt:[o_t4_pop_videoCodec indexOfSelectedItem]];
 731             [o_userSelections setObject:@"YES" forKey:@"trnscdVideo"];
 732             [o_userSelections setObject:[o_t4_pop_videoBitrate titleOfSelectedItem] \
 733                 forKey:@"trnscdVideoBitrate"];
 734             [o_userSelections setObject:theNum forKey:@"trnscdVideoCodec"];
 735         } else {
 736             [o_userSelections setObject:@"NO" forKey:@"trnscdVideo"];
 737         }
 738
 739         /* check whether the user wants to transcode the audio-track and store
 740          * the related options */
 741         if ([o_t4_ckb_audio state] == NSOnState)
 742         {
 743             NSNumber * theNum;
 744             theNum = [NSNumber numberWithInt:[o_t4_pop_audioCodec indexOfSelectedItem]];
 745             [o_userSelections setObject:@"YES" forKey:@"trnscdAudio"];
 746             [o_userSelections setObject:[o_t4_pop_audioBitrate titleOfSelectedItem] \
 747                 forKey:@"trnscdAudioBitrate"];
 748             [o_userSelections setObject:theNum forKey:@"trnscdAudioCodec"];
 749         } else {
 750             [o_userSelections setObject:@"NO" forKey:@"trnscdAudio"];
 751         }
 752
 753         /* disable all encap-formats */
 754         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
 755         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:NO];
 756         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
 757         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
 758         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
 759         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
 760         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
 761         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
 762         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
 763         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
 764         [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
 765
 766         /* re-enable the encap-formats supported by the chosen codecs */
 767         /* FIXME: the following is a really bad coding-style. feel free to mail
 768             me ideas how to make this nicer, if you want to -- FK, 7/11/05 */
 769
 770         if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualTo: @"YES"])
 771         {
 772             if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
 773             {
 774                 /* we are transcoding both audio and video, so we need to check both deps */
 775                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 776                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
 777                 {
 778                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections \
 779                         objectForKey:@"trnscdAudioCodec"] intValue]] \
 780                         containsObject: @"MUX_PS"])
 781                     {
 782                         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 783                         [o_t5_matrix_encap selectCellAtRow:0 column:0];
 784                     }
 785                 }
 786                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections \
 787                     objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
 788                 {
 789                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 790                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
 791                     {
 792                         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 793                         [o_t5_matrix_encap selectCellAtRow:1 column:0];
 794                     }
 795                 }
 796                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 797                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
 798                 {
 799                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 800                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
 801                     {
 802                         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 803                         [o_t5_matrix_encap selectCellAtRow:2 column:0];
 804                     }
 805                 }
 806                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 807                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
 808                 {
 809                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections \
 810                         objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
 811                     {
 812                         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 813                         [o_t5_matrix_encap selectCellAtRow:3 column:0];
 814                     }
 815                 }
 816                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 817                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
 818                 {
 819                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 820                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
 821                     {
 822                         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 823                         [o_t5_matrix_encap selectCellAtRow:4 column:0];
 824                     }
 825                 }
 826                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 827                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
 828                 {
 829                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 830                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
 831                     {
 832                         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 833                         [o_t5_matrix_encap selectCellAtRow:5 column:0];
 834                     }
 835                 }
 836                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 837                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
 838                 {
 839                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 840                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
 841                     {
 842                         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 843                         [o_t5_matrix_encap selectCellAtRow:6 column:0];
 844                     }
 845                 }
 846                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 847                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
 848                 {
 849                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 850                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
 851                     {
 852                         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 853                         [o_t5_matrix_encap selectCellAtRow:7 column:0];
 854                     }
 855                 }
 856                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 857                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
 858                 {
 859                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 860                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
 861                     {
 862                         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 863                         [o_t5_matrix_encap selectCellAtRow:8 column:0];
 864                     }
 865                 }
 866                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 867                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
 868                 {
 869                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 870                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
 871                     {
 872                         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 873                         [o_t5_matrix_encap selectCellAtRow:9 column:0];
 874                     }
 875                 }
 876
 877             } else {
 878
 879                 /* we just transcoding the audio */
 880
 881                 /* select formats supported by the audio codec */
 882                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 883                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_PS"])
 884                 {
 885                     [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 886                     [o_t5_matrix_encap selectCellAtRow:0 column:0];
 887                 }
 888                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 889                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
 890                 {
 891                     [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 892                     [o_t5_matrix_encap selectCellAtRow:1 column:0];
 893                 }
 894                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 895                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
 896                 {
 897                     [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 898                     [o_t5_matrix_encap selectCellAtRow:2 column:0];
 899                 }
 900                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 901                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
 902                 {
 903                     [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 904                     [o_t5_matrix_encap selectCellAtRow:3 column:0];
 905                 }
 906                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 907                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
 908                 {
 909                     [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 910                     [o_t5_matrix_encap selectCellAtRow:4 column:0];
 911                 }
 912                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 913                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
 914                 {
 915                     [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 916                     [o_t5_matrix_encap selectCellAtRow:5 column:0];
 917                 }
 918                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 919                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
 920                 {
 921                     [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 922                     [o_t5_matrix_encap selectCellAtRow:6 column:0];
 923                 }
 924                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 925                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
 926                 {
 927                     [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 928                     [o_t5_matrix_encap selectCellAtRow:7 column:0];
 929                 }
 930                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 931                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
 932                 {
 933                     [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 934                     [o_t5_matrix_encap selectCellAtRow:8 column:0];
 935                 }
 936                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 937                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
 938                 {
 939                     [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 940                     [o_t5_matrix_encap selectCellAtRow:9 column:0];
 941                 }
 942             }
 943         }
 944         else if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
 945         {
 946             /* we are just transcoding the video */
 947
 948             /* select formats supported by the video-codec */
 949
 950             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 951                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
 952             {
 953                 [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 954                 [o_t5_matrix_encap selectCellAtRow:0 column:0];
 955             }
 956             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 957                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
 958             {
 959                 [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 960                 [o_t5_matrix_encap selectCellAtRow:1 column:0];
 961             }
 962             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 963                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
 964             {
 965                 [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 966                 [o_t5_matrix_encap selectCellAtRow:2 column:0];
 967             }
 968             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 969                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
 970             {
 971                 [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 972                 [o_t5_matrix_encap selectCellAtRow:3 column:0];
 973             }
 974             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 975                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
 976             {
 977                 [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 978                 [o_t5_matrix_encap selectCellAtRow:4 column:0];
 979             }
 980             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 981                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
 982             {
 983                 [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 984                 [o_t5_matrix_encap selectCellAtRow:5 column:0];
 985             }
 986             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 987                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
 988             {
 989                 [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 990                 [o_t5_matrix_encap selectCellAtRow:6 column:0];
 991             }
 992             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 993                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
 994             {
 995                 [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 996                 [o_t5_matrix_encap selectCellAtRow:7 column:0];
 997             }
 998             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 999                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
1000             {
1001                 [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
1002                 [o_t5_matrix_encap selectCellAtRow:8 column:0];
1003             }
1004             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
1005                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
1006             {
1007                 [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
1008                 [o_t5_matrix_encap selectCellAtRow:9 column:0];
1009             }
1010         } else {
1011             /* we don't do any transcoding
1012              * -> enabled the encap-formats allowed when streaming content via
1013              * http plus MP4 since this should work fine in most cases */
1014
1015             /* FIXME: choose a selection of encap-formats based upon the
1016              * actually used codecs */
1017
1018             /* enable MPEG PS, MPEG TS, MPEG 1, OGG, RAW, ASF, MP4 and MOV
1019              * select MPEG PS */
1020             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
1021             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
1022             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
1023             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
1024             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
1025             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
1026             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1027             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
1028             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
1029             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1030             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1031             [o_t5_matrix_encap selectCellAtRow:0 column:0];
1032         }
1033
1034         if ( [o_userSelections objectForKey:@"stmgMhd"] == @"1" )
1035         {
1036             /* if MMS is the streaming protocol, only ASFH is available */
1037             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
1038             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:NO];
1039             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
1040             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
1041             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
1042             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
1043             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1044             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1045             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1046             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1047             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:YES];
1048             [o_t5_matrix_encap selectCellAtRow:10 column:0];
1049         }
1050         else if ( [o_userSelections objectForKey:@"stmgMhd"] == @"0" )
1051         {
1052             /* if HTTP is the streaming protocol, disable all unsupported
1053              * encap-formats, but don't touch the other ones selected above */
1054             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1055             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1056             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1057             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1058             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1059         }
1060         else if ( [[o_userSelections objectForKey:@"stmgMhd"] intValue] >= 2 )
1061         {
1062             /* if UDP/RTP is the streaming protocol, only MPEG-TS is available */
1063             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
1064             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
1065             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
1066             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
1067             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
1068             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1069             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1070             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1071             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1072             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1073             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
1074             [o_t5_matrix_encap selectCellAtRow:1 column:0];
1075         }
1076         int x;
1077         BOOL anythingEnabled;
1078         x = 0;
1079         anythingEnabled = NO;
1080         while (x != [o_t5_matrix_encap numberOfRows])
1081         {
1082             if ([[o_t5_matrix_encap cellAtRow:x column:0] isEnabled])
1083             {
1084                 anythingEnabled = YES;
1085             }
1086             x += 1;
1087         }
1088         if (anythingEnabled == YES)
1089         {
1090             /* go the encap-tab */
1091             [o_tab_pageHolder selectTabViewItemAtIndex:4];
1092         } else {
1093             /* show a sheet that the selected codecs are not compatible */
1094             NSBeginInformationalAlertSheet(_NS("Invalid selection"), _NS("OK"), \
1095                 @"", @"", o_wizard_window, nil, nil, nil, nil, _NS("The " \
1096                 "chosen codecs are not compatible with each other. For example: " \
1097                 "It is impossibleto  mix uncompressed audio with any video codec.\n\n" \
1098                 "Correct your selection and try again."));
1099         }
1100
1101     }
1102     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Encap"])
1103     {
1104         /* get the chosen encap format and store it */
1105         NSNumber * theNum;
1106         theNum = [NSNumber numberWithInt:[[o_t5_matrix_encap selectedCell] tag]];
1107         [o_userSelections setObject:[theNum stringValue] forKey:@"encapFormat"];
1108
1109         /* show either "Streaming 2" or "Transcode 2" to the user */
1110         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1111         {
1112             /* we are streaming */
1113             [o_tab_pageHolder selectTabViewItemAtIndex:5];
1114         }else{
1115             /* we are just transcoding */
1116             [o_tab_pageHolder selectTabViewItemAtIndex:6];
1117             /* in case that we are processing multiple items, let the user
1118              * select a folder instead of a localtion for a single item */
1119             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1120             {
1121                 [o_t7_txt_saveFileTo setStringValue:
1122                     _NS("Select the directory to save to")];
1123             }
1124             else
1125             {
1126                 [o_t7_txt_saveFileTo setStringValue:
1127                     _NS("Select the file to save to")];
1128             }
1129         }
1130     }
1131     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1132         @"Streaming 2"])
1133     {
1134         /* store the chosen TTL */
1135         [o_userSelections setObject:[o_t6_fld_ttl stringValue] forKey:@"ttl"];
1136
1137         /* check whether SAP is enabled and store the announce, if needed */
1138         if ([o_t6_ckb_sap state] == NSOnState)
1139         {
1140             [o_userSelections setObject:@"YES" forKey:@"sap"];
1141             [o_userSelections setObject:[o_t6_fld_sap stringValue] forKey:@"sapText"];
1142         } else {
1143             [o_userSelections setObject:@"NO" forKey:@"sap"];
1144         }
1145
1146         /* local playback? */
1147         if ([o_t6_ckb_local state] == NSOnState)
1148         {
1149             [o_userSelections setObject:@"YES" forKey:@"localPb"];
1150         } else {
1151             [o_userSelections setObject:@"NO" forKey:@"localPb"];
1152         }
1153
1154         /* include subtitles? */
1155         [o_userSelections setObject:
1156             [[NSNumber numberWithInt:[o_t6_ckb_soverlay state]] stringValue]
1157                              forKey: @"soverlay"];
1158
1159         /* go to "Summary" */
1160         [self showSummary];
1161     }
1162     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1163         @"Transcode 2"])
1164     {
1165         /* local playback? */
1166         if ([o_t7_ckb_local state] == NSOnState)
1167         {
1168             [o_userSelections setObject:@"YES" forKey:@"localPb"];
1169         } else {
1170             [o_userSelections setObject:@"NO" forKey:@"localPb"];
1171         }
1172
1173         /* check whether the path != "" and store it */
1174         if( [[o_t7_fld_filePath stringValue] isEqualToString: @""] )
1175         {
1176             /* complain to the user that "" is no valid path for a folder/file */
1177             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1178                 NSBeginInformationalAlertSheet(_NS("No folder selected"), \
1179                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1180                     [NSString stringWithFormat: @"%@\n\n%@", _NS("A directory "
1181                     "where to save the files has to be selected."),
1182                     _NS("Enter either a valid path or use the \"Choose...\" " \
1183                     "button to select a location.")]);
1184             else
1185                 NSBeginInformationalAlertSheet(_NS("No file selected"), \
1186                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1187                     [NSString stringWithFormat: @"%@\n\n%@", _NS("A file " \
1188                     "where to save the stream has to be selected."),
1189                     _NS("Enter either a valid path or use the \"Choose\" " \
1190                     "button to select a location.")]);
1191         } else {
1192             /* create a string containing the requested suffix for later usage */
1193             NSString * theEncapFormat = [[o_encapFormats objectAtIndex:
1194                 [[o_userSelections objectForKey:@"encapFormat"] intValue]] \
1195                 objectAtIndex:0];
1196             if( theEncapFormat == @"ps" )
1197                 theEncapFormat = @"mpg";
1198
1199             /* look whether we need to process multiple items or not.
1200              * choose a faster variant if we just want a single item */
1201             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1202             {
1203                 NSMutableArray * tempArray = [[NSMutableArray alloc] init];
1204                 int x = 0;
1205                 int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1206                 NSMutableString * tempString = [[NSMutableString alloc] init];
1207                 while( x != y )
1208                 {
1209                     NSString * fileNameToUse;
1210                     /* check whether the extension is hidden or not.
1211                      * if not, remove it
1212                      * we need the casting to make GCC4 happy */
1213                     if( [[[NSFileManager defaultManager] fileAttributesAtPath: \
1214                         [[o_userSelections objectForKey:@"pathToStrm"] \
1215                         objectAtIndex: x] traverseLink: NO] objectForKey: \
1216                         NSFileExtensionHidden] )
1217                         fileNameToUse = [NSString stringWithString:
1218                             [[NSFileManager defaultManager] displayNameAtPath:
1219                             [[o_userSelections objectForKey:@"pathToStrm"]
1220                             objectAtIndex: x]]];
1221                     else
1222                     {
1223                         int z = 0;
1224                         int count = [[[[NSFileManager defaultManager] \
1225                             displayNameAtPath: \
1226                             [[o_userSelections objectForKey:@"pathToStrm"] \
1227                             objectAtIndex: x]] \
1228                             componentsSeparatedByString: @"."] count];
1229                         fileNameToUse = @"";
1230                         while( z < (count - 1) )
1231                         {
1232                             fileNameToUse = [fileNameToUse stringByAppendingString:
1233                                 [[[[NSFileManager defaultManager] \
1234                                 displayNameAtPath: \
1235                                 [[o_userSelections objectForKey:@"pathToStrm"] \
1236                                 objectAtIndex: x]] \
1237                                 componentsSeparatedByString: @"."] \
1238                                 objectAtIndex: z]];
1239                             z += 1;
1240                         }
1241                     }
1242                     tempString = [NSString stringWithFormat: @"%@%@.%@",
1243                         [o_t7_fld_filePath stringValue],
1244                         fileNameToUse, theEncapFormat];
1245                     if( [[NSFileManager defaultManager] fileExistsAtPath: \
1246                         tempString] )
1247                     {
1248                         /* we don't wanna overwrite existing files, so add an
1249                          * int to the file-name */
1250                         int additionalInt = 1;
1251                         while( additionalInt < 100 )
1252                         {
1253                             tempString = [NSString stringWithFormat:@"%@%@ %i.%@",
1254                                 [o_t7_fld_filePath stringValue],
1255                                 fileNameToUse, additionalInt, theEncapFormat];
1256                             if(! [[NSFileManager defaultManager] \
1257                                 fileExistsAtPath: tempString] )
1258                                 break;
1259                             additionalInt += 1;
1260                         }
1261                         if( additionalInt >= 100 )
1262                             msg_Err( VLCIntf, "Files with the same name are " \
1263                                 "already present in the destination directory. " \
1264                                 "Delete these files or choose a different directory." );
1265                     }
1266                     [tempArray addObject: [tempString retain]];
1267                     x += 1;
1268                 }
1269                 [o_userSelections setObject: [NSArray arrayWithArray:tempArray]
1270                     forKey: @"trnscdFilePath"];
1271                 [tempArray release];
1272                 [tempString release];
1273             }
1274             else
1275             {
1276                 /* we don't need to check for existing items because Cocoa
1277                  * does that already when we are asking the user for a location
1278                  * to save her file */
1279                 [o_userSelections setObject: [NSArray arrayWithObject: \
1280                     [o_t7_fld_filePath stringValue]] forKey: @"trnscdFilePath"];
1281             }
1282
1283             /* include subtitles ? */
1284             [o_userSelections setObject:
1285                 [[NSNumber numberWithInt:[o_t7_ckb_soverlay state]] stringValue]
1286                                  forKey: @"soverlay"];
1287
1288             /* go to "Summary" */
1289             [self showSummary];
1290         }
1291     }
1292     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1293         @"Summary"])
1294     {
1295         intf_thread_t * p_intf = VLCIntf;
1296
1297         playlist_t * p_playlist = pl_Yield( p_intf );
1298
1299         int x = 0;
1300         int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1301         while( x != y )
1302         {
1303             /* we need a temp. variable here to work-around a GCC4-bug */
1304             NSString *tempString = [NSString stringWithFormat: \
1305                 @"%@ (%i/%i)", _NS("Streaming/Transcoding Wizard"), \
1306                 ( x + 1 ), y];
1307             input_item_t *p_input = input_ItemNew( p_playlist, \
1308                 [[[o_userSelections objectForKey:@"pathToStrm"] \
1309                 objectAtIndex:x] UTF8String], \
1310                 [tempString UTF8String] );
1311             input_ItemAddOption( p_input, [[[o_userSelections \
1312                 objectForKey:@"opts"] objectAtIndex: x] UTF8String]);
1313
1314             if(! [[o_userSelections objectForKey:@"partExtractFrom"] \
1315                 isEqualToString:@""] )
1316             {
1317                 input_ItemAddOption( p_input, [[NSString \
1318                     stringWithFormat: @"start-time=%@", [o_userSelections \
1319                     objectForKey: @"partExtractFrom"]] UTF8String] );
1320             }
1321
1322             if(! [[o_userSelections objectForKey:@"partExtractTo"] \
1323                 isEqualToString:@""] )
1324             {
1325                 input_ItemAddOption( p_input, [[NSString \
1326                     stringWithFormat: @"stop-time=%@", [o_userSelections \
1327                     objectForKey: @"partExtractTo"]] UTF8String] );
1328             }
1329
1330             input_ItemAddOption( p_input, [[NSString stringWithFormat: \
1331                 @"ttl=%@", [o_userSelections objectForKey:@"ttl"]] \
1332                 UTF8String] );
1333
1334             playlist_AddInput( p_playlist, p_input, PLAYLIST_STOP,
1335                         PLAYLIST_END, VLC_TRUE, VLC_FALSE );
1336
1337             if( x == 0 )
1338             {
1339                 /* play the first item and add the others afterwards */
1340                 playlist_item_t *p_item = playlist_ItemGetByInput( p_playlist, p_input, VLC_TRUE );
1341                 playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, VLC_TRUE, NULL,
1342                           p_item );
1343             }
1344
1345             x += 1;
1346         }
1347
1348         vlc_object_release( p_playlist );
1349
1350         /* close the window, since we are done */
1351         [o_wizard_window close];
1352     }
1353 }
1354
1355 - (void)rebuildCodecMenus
1356 {
1357     int savePreviousSel = 0;
1358     savePreviousSel = [o_t4_pop_videoCodec indexOfSelectedItem];
1359     [o_t4_pop_videoCodec removeAllItems];
1360     unsigned int x;
1361     x = 0;
1362     while (x != [o_videoCodecs count])
1363     {
1364         [o_t4_pop_videoCodec addItemWithTitle:[[o_videoCodecs objectAtIndex:x] \
1365             objectAtIndex:0]];
1366         x += 1;
1367     }
1368     if( b_keepSettingsOrNot && savePreviousSel >= 0 )
1369         [o_t4_pop_videoCodec selectItemAtIndex: savePreviousSel];
1370
1371     savePreviousSel = [o_t4_pop_audioCodec indexOfSelectedItem];
1372     [o_t4_pop_audioCodec removeAllItems];
1373     x = 0;
1374     while (x != [o_audioCodecs count])
1375     {
1376         [o_t4_pop_audioCodec addItemWithTitle:[[o_audioCodecs objectAtIndex:x] \
1377             objectAtIndex:0]];
1378         x += 1;
1379     }
1380     if( b_keepSettingsOrNot && savePreviousSel >= 0 )
1381         [o_t4_pop_audioCodec selectItemAtIndex: savePreviousSel];
1382 }
1383
1384 - (void)showSummary
1385 {
1386     [o_btn_forward setTitle: _NS("Finish")];
1387     /* if we will transcode multiple items, just give their number; otherwise
1388      * print the URI of the single item */
1389     if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1390         [o_t8_fld_inptStream setStringValue: [NSString stringWithFormat:
1391             _NS("%i items"),
1392             [[o_userSelections objectForKey:@"pathToStrm"] count]]];
1393     else
1394         [o_t8_fld_inptStream setStringValue:
1395             [[o_userSelections objectForKey:@"pathToStrm"] objectAtIndex: 0]];
1396
1397     if ([[o_userSelections objectForKey:@"localPb"] isEqualToString: @"YES"])
1398     {
1399         [o_t8_fld_local setStringValue: _NS("yes")];
1400     } else {
1401         [o_t8_fld_local setStringValue: _NS("no")];
1402     }
1403
1404     if ([[o_userSelections objectForKey:@"partExtract"] isEqualToString: @"YES"])
1405     {
1406         [o_t8_fld_partExtract setStringValue: [NSString stringWithFormat:
1407             _NS("yes: from %@ to %@ secs"),
1408             [o_userSelections objectForKey:@"partExtractFrom"],
1409             [o_userSelections objectForKey:@"partExtractTo"]]];
1410     } else {
1411         [o_t8_fld_partExtract setStringValue: _NS("no")];
1412     }
1413
1414     if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
1415     {
1416         [o_t8_fld_trnscdVideo setStringValue: [NSString stringWithFormat:
1417             _NS("yes: %@ @ %@ kb/s"),
1418             [[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
1419             @"trnscdVideoCodec"] intValue]] objectAtIndex:0],
1420             [o_userSelections objectForKey:@"trnscdVideoBitrate"]]];
1421     }
1422     else
1423     {
1424         [o_t8_fld_trnscdVideo setStringValue: _NS("no")];
1425     }
1426
1427     if ([[o_userSelections objectForKey:@"soverlay"] isEqualToString:@"1"])
1428         [o_t8_fld_soverlay setStringValue: _NS("yes")];
1429     else
1430         [o_t8_fld_soverlay setStringValue: _NS("no")];
1431
1432     if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1433     {
1434         [o_t8_fld_trnscdAudio setStringValue: [NSString stringWithFormat:
1435             _NS("yes: %@ @ %@ kb/s"),
1436             [[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
1437                 @"trnscdAudioCodec"] intValue]] objectAtIndex:0],
1438             [o_userSelections objectForKey:@"trnscdAudioBitrate"]]];
1439     }
1440     else
1441     {
1442         [o_t8_fld_trnscdAudio setStringValue: _NS("no")];
1443     }
1444
1445     if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1446     {
1447         /* we are streaming and perhaps also transcoding */
1448         [o_t8_fld_saveFileTo setStringValue: @"-"];
1449         [o_t8_fld_strmgMthd setStringValue: [[o_strmgMthds objectAtIndex: \
1450             [[o_userSelections objectForKey:@"stmgMhd"] intValue]] \
1451             objectAtIndex:1]];
1452         [o_t8_fld_destination setStringValue: [o_userSelections objectForKey: \
1453             @"stmgDest"]];
1454         [o_t8_fld_ttl setStringValue: [o_userSelections objectForKey:@"ttl"]];
1455         if ([[o_userSelections objectForKey:@"sap"] isEqualToString: @"YES"])
1456         {
1457             [o_t8_fld_sap setStringValue:
1458                 [_NS("yes") stringByAppendingFormat: @": \"%@\"",
1459                     [o_userSelections objectForKey:@"sapText"]]];
1460         }else{
1461             [o_t8_fld_sap setStringValue: _NS("no")];
1462         }
1463     } else {
1464         /* we are transcoding */
1465         [o_t8_fld_strmgMthd setStringValue: @"-"];
1466         [o_t8_fld_destination setStringValue: @"-"];
1467         [o_t8_fld_ttl setStringValue: @"-"];
1468         [o_t8_fld_sap setStringValue: @"-"];
1469         /* do only show the destination of the first item and add a counter, if needed */
1470         if( [[o_userSelections objectForKey: @"trnscdFilePath"] count] > 1 )
1471             [o_t8_fld_saveFileTo setStringValue: \
1472                 [NSString stringWithFormat: @"%@ (+%i)", \
1473                 [[o_userSelections objectForKey: @"trnscdFilePath"] objectAtIndex:0], \
1474                 ([[o_userSelections objectForKey: @"trnscdFilePath"] count] - 1)]];
1475         else
1476             [o_t8_fld_saveFileTo setStringValue: \
1477                 [[o_userSelections objectForKey: @"trnscdFilePath"] objectAtIndex:0]];
1478     }
1479     [o_t8_fld_encapFormat setStringValue: [[o_encapFormats objectAtIndex: \
1480         [[o_userSelections objectForKey:@"encapFormat"] intValue]] objectAtIndex:1]];
1481
1482     [self createOpts];
1483     [o_t8_fld_mrl setStringValue: [[o_userSelections objectForKey:@"opts"]
1484         objectAtIndex: 0]];
1485
1486     [o_tab_pageHolder selectTabViewItemAtIndex:7];
1487 }
1488
1489 - (void) createOpts
1490 {
1491     NSMutableString * o_opts_string = [NSMutableString stringWithString:@""];
1492     NSMutableString *o_trnscdCmd = [NSMutableString stringWithString:@""];
1493     NSMutableString *o_duplicateCmd = [NSMutableString stringWithString:@""];
1494     int x = 0;
1495     int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1496     NSMutableArray * tempArray = [[NSMutableArray alloc] init];
1497
1498     /* loop to create an opt-string for each item we're processing */
1499     while( x != y )
1500     {
1501         /* check whether we transcode the audio and/or the video and compose a
1502          * string reflecting the settings, if needed */
1503         if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
1504         {
1505             [o_trnscdCmd appendString: @"transcode{"];
1506             [o_trnscdCmd appendFormat: @"vcodec=%s,vb=%i", [[[o_videoCodecs \
1507                 objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] \
1508                 intValue]] objectAtIndex:1] UTF8String],  [[o_userSelections \
1509                 objectForKey:@"trnscdVideoBitrate"] intValue]];
1510             if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1511             {
1512                 [o_trnscdCmd appendString: @","];
1513             }
1514             else
1515             {
1516                 [o_trnscdCmd appendString: @"}:"];
1517             }
1518         }
1519
1520         /* check whether the user requested local playback. if yes, prepare the
1521          * string, if not, let it empty */
1522         if ([[o_userSelections objectForKey:@"localPb"] isEqualToString:@"YES"])
1523         {
1524             [o_duplicateCmd appendString: @"duplicate{dst=display,dst=\""];
1525         }
1526
1527         if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1528         {
1529             if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"NO"])
1530             {
1531                 /* in case we transcode the audio only, add this */
1532                 [o_trnscdCmd appendString: @"transcode{"];
1533             }
1534             [o_trnscdCmd appendFormat: @"acodec=%s,ab=%i}:", [[[o_audioCodecs \
1535                 objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] \
1536                 intValue]] objectAtIndex:1] UTF8String],  [[o_userSelections \
1537                 objectForKey:@"trnscdAudioBitrate"] intValue]];
1538         }
1539
1540         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"trnscd"])
1541         {
1542             /* we are just transcoding and dumping the stuff to a file */
1543             [o_opts_string appendFormat: \
1544                 @":sout=#%s%sstandard{mux=%s,dst=%s,access=file}", [o_duplicateCmd \
1545                 UTF8String], [o_trnscdCmd UTF8String], [[[o_encapFormats \
1546                 objectAtIndex: [[o_userSelections objectForKey:@"encapFormat"] \
1547                 intValue]] objectAtIndex:0] UTF8String], [[[o_userSelections \
1548                 objectForKey: @"trnscdFilePath"] objectAtIndex: x] UTF8String]];
1549         }
1550         else
1551         {
1552
1553             /* we are streaming */
1554             if ([[o_userSelections objectForKey:@"sap"] isEqualToString:@"YES"])
1555             {
1556                 /* SAP-Announcement is requested */
1557                 NSMutableString *o_sap_option = [NSMutableString stringWithString:@""];
1558                 if([[o_userSelections objectForKey:@"sapText"] isEqualToString:@""])
1559                 {
1560                     [o_sap_option appendString: @"sap"];
1561                 }
1562                 else
1563                 {
1564                     [o_sap_option appendFormat: @"sap,name=\"%s\"", \
1565                         [[o_userSelections objectForKey:@"sapText"] UTF8String]];
1566                 }
1567                 [o_opts_string appendFormat: \
1568                     @":sout=#%s%sstandard{mux=%s,dst=%s,access=%s,%s}", \
1569                     [o_duplicateCmd UTF8String], [o_trnscdCmd UTF8String], \
1570                     [[[o_encapFormats objectAtIndex: [[o_userSelections \
1571                     objectForKey: @"encapFormat"] intValue]] objectAtIndex:0] \
1572                     UTF8String], [[o_userSelections objectForKey: @"stmgDest"] \
1573                     UTF8String], [[[o_strmgMthds objectAtIndex: [[o_userSelections \
1574                     objectForKey: @"stmgMhd"] intValue]] objectAtIndex:0] \
1575                     UTF8String], [o_sap_option UTF8String]];
1576             }
1577             else
1578             {
1579                 /* no SAP, just streaming */
1580                 [o_opts_string appendFormat: \
1581                     @":sout=#%s%sstandard{mux=%s,dst=%s,access=%s}", \
1582                     [o_duplicateCmd UTF8String], [o_trnscdCmd UTF8String], \
1583                     [[[o_encapFormats objectAtIndex: [[o_userSelections \
1584                     objectForKey: @"encapFormat"] intValue]] objectAtIndex:0] \
1585                     UTF8String], [[o_userSelections objectForKey: \
1586                     @"stmgDest"] UTF8String], [[[o_strmgMthds objectAtIndex: \
1587                     [[o_userSelections objectForKey: @"stmgMhd"] intValue]] \
1588                     objectAtIndex:0] UTF8String]];
1589             }
1590         }
1591
1592         /* check whether the user requested local playback. if yes, close the
1593          * string with an additional bracket */
1594         if ([[o_userSelections objectForKey:@"localPb"] isEqualToString:@"YES"])
1595         {
1596             [o_opts_string appendString: @"\"}"];
1597         }
1598
1599         /* add subtitles to the video if desired */
1600         [o_opts_string appendFormat: @":sout-transcode-soverlay=%@",
1601                 [o_userSelections objectForKey:@"soverlay"]];
1602
1603         [tempArray addObject: o_opts_string];
1604
1605         o_opts_string = [NSMutableString stringWithString:@""];
1606         o_trnscdCmd = [NSMutableString stringWithString:@""];
1607         o_duplicateCmd = [NSMutableString stringWithString:@""];
1608         x += 1;
1609     }
1610     [o_userSelections setObject:[NSArray arrayWithArray: tempArray] forKey:@"opts"];
1611     [tempArray release];
1612 }
1613
1614 - (IBAction)prevTab:(id)sender
1615 {
1616     if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Summary"])
1617     {
1618         /* check whether we are streaming or transcoding and go back */
1619         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1620         {
1621             /* show "Streaming 2" */
1622             [o_tab_pageHolder selectTabViewItemAtIndex:5];
1623         }else{
1624             /* show "Transcode 2" */
1625             [o_tab_pageHolder selectTabViewItemAtIndex:6];
1626         }
1627         /* rename the forward-button */
1628         [o_btn_forward setTitle: _NS("Next")];
1629     }
1630     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1631         @"Transcode 2"])
1632     {
1633         /* show "Encap" */
1634         [o_tab_pageHolder selectTabViewItemAtIndex:4];
1635     }
1636     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1637         @"Streaming 2"])
1638     {
1639         /* show "Encap" */
1640         [o_tab_pageHolder selectTabViewItemAtIndex:4];
1641     }
1642     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1643         @"Encap"])
1644     {
1645         /* show "Transcode 1" */
1646         [o_tab_pageHolder selectTabViewItemAtIndex:3];
1647     }
1648     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1649         @"Streaming 1"])
1650     {
1651         /* show "Input" */
1652         [o_tab_pageHolder selectTabViewItemAtIndex:1];
1653     }
1654     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1655         @"Transcode 1"])
1656     {
1657         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1658         {
1659             /* show "Streaming 1" */
1660             [o_tab_pageHolder selectTabViewItemAtIndex:2];
1661         }else{
1662             /* show "Input" */
1663             [o_tab_pageHolder selectTabViewItemAtIndex:1];
1664         }
1665     }
1666     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1667         @"Input"])
1668     {
1669         /* reset the wizard before going backwards. Otherwise, we might get
1670          * unwanted behaviours in the Encap-Selection */
1671         [self resetWizard];
1672         /* show "Hello" */
1673         [o_tab_pageHolder selectTabViewItemAtIndex:0];
1674         /* disable backwards-btn */
1675         [o_btn_backward setEnabled:NO];
1676     }
1677 }
1678
1679 - (IBAction)t1_mrInfo_streaming:(id)sender
1680 {
1681     /* show a sheet for the help */
1682     NSBeginInformationalAlertSheet(_NS("Stream to network"), \
1683         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1684         _NS("This allows to stream on a network."));
1685 }
1686
1687 - (IBAction)t1_mrInfo_transcode:(id)sender
1688 {
1689     /* show a sheet for the help */
1690     NSBeginInformationalAlertSheet(_NS("Transcode/Save to file"), \
1691         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1692         _NS("This allows to save a stream to a file. The "\
1693         "can be reencoded on the fly. Whatever "\
1694         "VLC can read can be saved.\nPlease note that VLC is not very suited " \
1695         "for file to file transcoding. Its transcoding " \
1696         "features are however useful to save network streams, for example."));
1697 }
1698
1699 - (IBAction)t2_addNewStream:(id)sender
1700 {
1701     NSOpenPanel * openPanel = [NSOpenPanel openPanel];
1702     SEL sel = @selector(t2_getNewStreamFromDialog:returnCode:contextInfo:);
1703     [openPanel beginSheetForDirectory:nil file:nil types:nil modalForWindow: \
1704         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1705 }
1706
1707 - (void)t2_getNewStreamFromDialog: (NSOpenPanel *)sheet returnCode: \
1708     (int)returnCode contextInfo: (void *)contextInfo
1709 {
1710     if (returnCode == NSOKButton)
1711     {
1712         [o_t2_fld_pathToNewStrm setStringValue: [@"file://" \
1713             stringByAppendingString: [sheet filename]]];
1714     }
1715 }
1716
1717 - (IBAction)t2_chooseStreamOrPlst:(id)sender
1718 {
1719     /* enable and disable the respective items depending on user's choice */
1720     NSString *o_mode;
1721     o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
1722
1723     if( [o_mode isEqualToString: _NS("Select a stream")] )
1724     {
1725         [o_t2_btn_chooseFile setEnabled:YES];
1726         [o_t2_fld_pathToNewStrm setEnabled:YES];
1727         [o_t2_tbl_plst setEnabled:NO];
1728     } else {
1729         [o_t2_btn_chooseFile setEnabled:NO];
1730         [o_t2_fld_pathToNewStrm setEnabled:NO];
1731         [o_t2_tbl_plst setEnabled:YES];
1732     }
1733 }
1734
1735 - (IBAction)t2_enableExtract:(id)sender
1736 {
1737     /* enable/disable the respective items */
1738     if([o_t2_ckb_enblPartExtrct state] == NSOnState)
1739     {
1740         [o_t2_fld_prtExtrctFrom setEnabled:YES];
1741         [o_t2_fld_prtExtrctTo setEnabled:YES];
1742     } else {
1743         [o_t2_fld_prtExtrctFrom setEnabled:NO];
1744         [o_t2_fld_prtExtrctTo setEnabled:NO];
1745         [o_t2_fld_prtExtrctFrom setStringValue:@""];
1746         [o_t2_fld_prtExtrctTo setStringValue:@""];
1747     }
1748 }
1749
1750 - (IBAction)t3_strmMthdChanged:(id)sender
1751 {
1752     /* change the captions of o_t3_txt_destInfo according to the chosen
1753      * streaming method */
1754     int mode;
1755     mode = [[o_t3_matrix_stmgMhd selectedCell] tag];
1756     if( mode == 0 )
1757     {
1758         /* HTTP */
1759         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:0] \
1760             objectAtIndex:2]];
1761         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:0] \
1762             objectAtIndex:3]];
1763     }
1764     else if( mode == 1 )
1765     {
1766         /* MMS */
1767         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:1] \
1768             objectAtIndex:2]];
1769         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:1] \
1770             objectAtIndex:3]];
1771     }
1772     else if( mode == 2 )
1773     {
1774         /* UDP-Unicast */
1775         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:2] \
1776             objectAtIndex:2]];
1777         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:2] \
1778         objectAtIndex:3]];
1779     }
1780     else if( mode == 3 )
1781     {
1782         /* UDP-Multicast */
1783         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:3] \
1784             objectAtIndex:2]];
1785         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:3] \
1786         objectAtIndex:3]];
1787     }
1788     else if( mode == 4 )
1789     {
1790         /* RTP-Unicast */
1791         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:4] \
1792             objectAtIndex:2]];
1793         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:4] \
1794             objectAtIndex:3]];
1795     }
1796     else if( mode == 5 )
1797     {
1798         /* RTP-Multicast */
1799         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:5] \
1800             objectAtIndex:2]];
1801         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:5] \
1802         objectAtIndex:3]];
1803     }
1804 }
1805
1806 - (IBAction)t4_AudCdcChanged:(id)sender
1807 {
1808     /* update codec info */
1809     [o_t4_txt_hintAudio setStringValue:[[o_audioCodecs objectAtIndex: \
1810         [o_t4_pop_audioCodec indexOfSelectedItem]] objectAtIndex:2]];
1811 }
1812
1813 - (IBAction)t4_enblAudTrnscd:(id)sender
1814 {
1815     /* enable/disable the respective items */
1816     if([o_t4_ckb_audio state] == NSOnState)
1817     {
1818         [o_t4_pop_audioCodec setEnabled:YES];
1819         [o_t4_pop_audioBitrate setEnabled:YES];
1820         [o_t4_txt_hintAudio setStringValue: _NS("Select your audio codec. " \
1821         "Click one to get more information.")];
1822     } else {
1823         [o_t4_pop_audioCodec setEnabled:NO];
1824         [o_t4_pop_audioBitrate setEnabled:NO];
1825         [o_t4_txt_hintAudio setStringValue: _NS("Enabling this allows to transcode " \
1826         "the audio track if one is present in the stream.")];
1827     }
1828 }
1829
1830 - (IBAction)t4_enblVidTrnscd:(id)sender
1831 {
1832     /* enable/disable the respective items */
1833     if([o_t4_ckb_video state] == NSOnState)
1834     {
1835         [o_t4_pop_videoCodec setEnabled:YES];
1836         [o_t4_pop_videoBitrate setEnabled:YES];
1837         [o_t4_txt_hintVideo setStringValue: _NS("Select your video codec. "\
1838         "Click one to get more information.")];
1839     } else {
1840         [o_t4_pop_videoCodec setEnabled:NO];
1841         [o_t4_pop_videoBitrate setEnabled:NO];
1842         [o_t4_txt_hintVideo setStringValue: _NS("Enabling this allows to transcode " \
1843         "the video track if one is present in the stream.")];
1844
1845     }
1846 }
1847
1848 - (IBAction)t4_VidCdcChanged:(id)sender
1849 {
1850     /* update codec info */
1851     [o_t4_txt_hintVideo setStringValue:[[o_videoCodecs objectAtIndex: \
1852         [o_t4_pop_videoCodec indexOfSelectedItem]] objectAtIndex:2]];
1853 }
1854
1855 - (IBAction)t6_enblSapAnnce:(id)sender
1856 {
1857     /* enable/disable input fld */
1858     if([o_t6_ckb_sap state] == NSOnState)
1859     {
1860         [o_t6_fld_sap setEnabled:YES];
1861     } else {
1862         [o_t6_fld_sap setEnabled:NO];
1863         [o_t6_fld_sap setStringValue:@""];
1864     }
1865 }
1866
1867 - (IBAction)t6_mrInfo_ttl:(id)sender
1868 {
1869     /* show a sheet for the help */
1870     NSBeginInformationalAlertSheet(_NS("Time-To-Live (TTL)"), \
1871         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1872         _NS("This allows to define the TTL (Time-To-Live) of the stream. "\
1873             "This parameter is the maximum number of routers your stream can " \
1874             "go through. If you don't know what it means, or if you want to " \
1875             "stream on your local network only, leave this setting to 1."));
1876 }
1877
1878 - (IBAction)t6_mrInfo_sap:(id)sender
1879 {
1880     /* show a sheet for the help */
1881     NSBeginInformationalAlertSheet(_NS("SAP Announce"), \
1882         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1883         _NS("When streaming using UDP, the streams can be " \
1884         "announced using the SAP/SDP announcing protocol. This " \
1885         "way, the clients won't have to type in the multicast address, it " \
1886         "will appear in their playlist if they enable the SAP extra " \
1887         "interface.\nIf you want to give a name to your stream, enter it " \
1888         "here, else, a default name will be used."));
1889 }
1890
1891 - (IBAction)t67_mrInfo_local:(id)sender
1892 {
1893     /* show a sheet for the help */
1894     NSBeginInformationalAlertSheet(_NS("Local playback"), \
1895             _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1896             _NS("When this option is enabled, the stream will be both played " \
1897             "and transcoded/streamed.\n\nNote that this requires much more " \
1898             "CPU power than simple transcoding or streaming."));
1899 }
1900
1901 - (IBAction)t7_selectTrnscdDestFile:(id)sender
1902 {
1903     /* provide a save-to-dialogue, so the user can choose a location for
1904      * his/her new file. We take a modified NSOpenPanel to select a folder
1905      * and a plain NSSavePanel to save a single file. */
1906
1907     SEL sel = @selector(t7_getTrnscdDestFile:returnCode:contextInfo:);
1908
1909     if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1910     {
1911         NSOpenPanel * saveFolderPanel = [[NSOpenPanel alloc] init];
1912
1913         [saveFolderPanel setCanChooseDirectories: YES];
1914         [saveFolderPanel setCanChooseFiles: NO];
1915         [saveFolderPanel setCanSelectHiddenExtension: NO];
1916         [saveFolderPanel setCanCreateDirectories: YES];
1917         [saveFolderPanel beginSheetForDirectory:nil file:nil modalForWindow: \
1918         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1919     }
1920     else
1921     {
1922         NSSavePanel * saveFilePanel = [[NSSavePanel alloc] init];
1923
1924         /* don't use ".ps" as suffix, since the OSX Finder confuses our
1925          * creations with PostScript-files and wants to open them with
1926          * Preview.app */
1927         NSString * theEncapFormat = [[o_encapFormats objectAtIndex: \
1928         [[o_userSelections objectForKey:@"encapFormat"] intValue]] \
1929         objectAtIndex:0];
1930         if( theEncapFormat != @"ps" )
1931             [saveFilePanel setRequiredFileType: theEncapFormat];
1932         else
1933             [saveFilePanel setRequiredFileType: @"mpg"];
1934
1935         [saveFilePanel setCanSelectHiddenExtension: YES];
1936         [saveFilePanel setCanCreateDirectories: YES];
1937         [saveFilePanel beginSheetForDirectory:nil file:nil modalForWindow: \
1938         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1939     }
1940 }
1941
1942 - (void)t7_getTrnscdDestFile: (NSOpenPanel *)sheet returnCode: \
1943     (int)returnCode contextInfo: (void *)contextInfo
1944 {
1945     if (returnCode == NSOKButton)
1946     {
1947         /* output returned path to text-field, add a / to the end if the user
1948          * selected a folder */
1949         if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1950             [o_t7_fld_filePath setStringValue: [NSString stringWithFormat: \
1951                 @"%@/", [sheet filename]]];
1952         else
1953             [o_t7_fld_filePath setStringValue:[sheet filename]];
1954     }
1955     [sheet release];
1956 }
1957
1958 @end