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                         char *psz_uri = input_item_GetURI( p_item->p_input );
 601                         [tempArray addObject: [NSString stringWithUTF8String:
 602                         psz_uri]];
 603                         free( psz_uri );
 604                         stop = NO;
 605                     }
 606                     else
 607                         stop = YES;
 608                     x += 1;
 609                 }
 610                 [o_userSelections setObject:[NSArray arrayWithArray: tempArray]
 611                     forKey:@"pathToStrm"];
 612                 [tempArray release];
 613             }
 614             else
 615             {
 616                 /* set a flag that no item is selected */
 617                 stop = YES;
 618             }
 619         }
 620
 621         /* show either "Streaming 1" or "Transcode 1" to the user */
 622         if (stop == NO)
 623         {
 624             if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] \
 625                 isEqualToString:@"strmg"])
 626             {
 627                 /* we are streaming */
 628                 [o_tab_pageHolder selectTabViewItemAtIndex:2];
 629             }else{
 630                 /* we are just transcoding */
 631
 632                 /* rebuild the menues for the codec-selections */
 633                 [self rebuildCodecMenus];
 634
 635                 [o_tab_pageHolder selectTabViewItemAtIndex:3];
 636             }
 637         } else {
 638             /* show a sheet that the user didn't select a file */
 639             NSBeginInformationalAlertSheet(_NS("No input selected"), \
 640                 _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
 641                 _NS("No new stream or valid playlist item has been selected.\n\n" \
 642                 "Choose one before going to the next page."));
 643         }
 644     }
 645     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
 646         @"Streaming 1"])
 647     {
 648         /* rebuild the menues for the codec-selections */
 649         [self rebuildCodecMenus];
 650
 651         /* check which streaming method is selected and store it */
 652         int mode;
 653         mode = [[o_t3_matrix_stmgMhd selectedCell] tag];
 654         if( mode == 0 )
 655         {
 656             /* HTTP Streaming */
 657             [o_userSelections setObject:@"0" forKey:@"stmgMhd"];
 658
 659             /* disable all codecs which don't support MPEG PS, MPEG TS, MPEG 1,
 660              * OGG, RAW or ASF */
 661             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 662             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
 663
 664         } else if ( mode == 1 )
 665         {
 666             /* MMS Streaming */
 667             [o_userSelections setObject:@"1" forKey:@"stmgMhd"];
 668
 669             /* disable all codecs which don't support ASF / ASFH */
 670             [o_t4_pop_audioCodec removeItemWithTitle:@"MPEG 4 Audio"];
 671             [o_t4_pop_audioCodec removeItemWithTitle:@"Vorbis"];
 672             [o_t4_pop_audioCodec removeItemWithTitle:@"FLAC"];
 673             [o_t4_pop_audioCodec removeItemWithTitle:@"Speex"];
 674             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 675             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
 676
 677             [o_t4_pop_videoCodec removeItemWithTitle:@"MPEG-1 Video"];
 678             [o_t4_pop_videoCodec removeItemWithTitle:@"MPEG-2 Video"];
 679             [o_t4_pop_videoCodec removeItemWithTitle:@"H.263"];
 680             [o_t4_pop_videoCodec removeItemWithTitle:@"H.264"];
 681             [o_t4_pop_videoCodec removeItemWithTitle:@"MJPEG"];
 682             [o_t4_pop_videoCodec removeItemWithTitle:@"Theora"];
 683         } else {
 684             /* RTP/UDP Unicast/Multicast Streaming */
 685             [o_userSelections setObject: [[NSNumber numberWithInt: mode] \
 686                 stringValue] forKey:@"stmgMhd"];
 687
 688             /* disable all codecs which don't support MPEG-TS */
 689             [o_t4_pop_audioCodec removeItemWithTitle:@"Vorbis"];
 690             [o_t4_pop_audioCodec removeItemWithTitle:@"FLAC"];
 691             [o_t4_pop_audioCodec removeItemWithTitle:@"Speex"];
 692             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 693             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
 694         }
 695
 696         /* store the destination and check whether is it empty */
 697         if([[o_userSelections objectForKey:@"stmgMhd"] intValue] >=2 )
 698         {
 699            /* empty field is valid for HTTP and MMS */
 700             if( [[o_t3_fld_address stringValue] isEqualToString: @""] )
 701             {
 702                 /* complain to the user that "" is no valid dest. */
 703                 NSBeginInformationalAlertSheet(_NS("No valid destination"), \
 704                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
 705                     _NS("A valid destination has to be selected "\
 706                     "Enter either a Unicast-IP or a Multicast-IP." \
 707                     "\n\nIf you don't know what this means, have a look at " \
 708                     "the VLC Streaming HOWTO and the help texts in this " \
 709                     "window."));
 710             } else {
 711                 /* FIXME: check whether the entered IP is really valid */
 712                 [o_userSelections setObject:[o_t3_fld_address stringValue] \
 713                     forKey:@"stmgDest"];
 714                 /* let's go to the transcode-1-tab */
 715                 [o_tab_pageHolder selectTabViewItemAtIndex:3];
 716             }
 717         } else {
 718             [o_userSelections setObject:[o_t3_fld_address stringValue] \
 719                 forKey:@"stmgDest"];
 720             /* let's go to the transcode-1-tab */
 721             [o_tab_pageHolder selectTabViewItemAtIndex:3];
 722         }
 723     }
 724     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
 725         @"Transcode 1"])
 726     {
 727         /* check whether the user wants to transcode the video-track and store
 728          * the related options */
 729         if ([o_t4_ckb_video state] == NSOnState)
 730         {
 731             NSNumber * theNum;
 732             theNum = [NSNumber numberWithInt:[o_t4_pop_videoCodec indexOfSelectedItem]];
 733             [o_userSelections setObject:@"YES" forKey:@"trnscdVideo"];
 734             [o_userSelections setObject:[o_t4_pop_videoBitrate titleOfSelectedItem] \
 735                 forKey:@"trnscdVideoBitrate"];
 736             [o_userSelections setObject:theNum forKey:@"trnscdVideoCodec"];
 737         } else {
 738             [o_userSelections setObject:@"NO" forKey:@"trnscdVideo"];
 739         }
 740
 741         /* check whether the user wants to transcode the audio-track and store
 742          * the related options */
 743         if ([o_t4_ckb_audio state] == NSOnState)
 744         {
 745             NSNumber * theNum;
 746             theNum = [NSNumber numberWithInt:[o_t4_pop_audioCodec indexOfSelectedItem]];
 747             [o_userSelections setObject:@"YES" forKey:@"trnscdAudio"];
 748             [o_userSelections setObject:[o_t4_pop_audioBitrate titleOfSelectedItem] \
 749                 forKey:@"trnscdAudioBitrate"];
 750             [o_userSelections setObject:theNum forKey:@"trnscdAudioCodec"];
 751         } else {
 752             [o_userSelections setObject:@"NO" forKey:@"trnscdAudio"];
 753         }
 754
 755         /* disable all encap-formats */
 756         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
 757         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:NO];
 758         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
 759         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
 760         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
 761         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
 762         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
 763         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
 764         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
 765         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
 766         [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
 767
 768         /* re-enable the encap-formats supported by the chosen codecs */
 769         /* FIXME: the following is a really bad coding-style. feel free to mail
 770             me ideas how to make this nicer, if you want to -- FK, 7/11/05 */
 771
 772         if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualTo: @"YES"])
 773         {
 774             if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
 775             {
 776                 /* we are transcoding both audio and video, so we need to check both deps */
 777                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 778                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
 779                 {
 780                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections \
 781                         objectForKey:@"trnscdAudioCodec"] intValue]] \
 782                         containsObject: @"MUX_PS"])
 783                     {
 784                         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 785                         [o_t5_matrix_encap selectCellAtRow:0 column:0];
 786                     }
 787                 }
 788                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections \
 789                     objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
 790                 {
 791                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 792                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
 793                     {
 794                         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 795                         [o_t5_matrix_encap selectCellAtRow:1 column:0];
 796                     }
 797                 }
 798                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 799                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
 800                 {
 801                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 802                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
 803                     {
 804                         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 805                         [o_t5_matrix_encap selectCellAtRow:2 column:0];
 806                     }
 807                 }
 808                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 809                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
 810                 {
 811                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections \
 812                         objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
 813                     {
 814                         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 815                         [o_t5_matrix_encap selectCellAtRow:3 column:0];
 816                     }
 817                 }
 818                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 819                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
 820                 {
 821                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 822                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
 823                     {
 824                         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 825                         [o_t5_matrix_encap selectCellAtRow:4 column:0];
 826                     }
 827                 }
 828                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 829                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
 830                 {
 831                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 832                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
 833                     {
 834                         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 835                         [o_t5_matrix_encap selectCellAtRow:5 column:0];
 836                     }
 837                 }
 838                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 839                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
 840                 {
 841                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 842                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
 843                     {
 844                         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 845                         [o_t5_matrix_encap selectCellAtRow:6 column:0];
 846                     }
 847                 }
 848                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 849                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
 850                 {
 851                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 852                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
 853                     {
 854                         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 855                         [o_t5_matrix_encap selectCellAtRow:7 column:0];
 856                     }
 857                 }
 858                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 859                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
 860                 {
 861                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 862                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
 863                     {
 864                         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 865                         [o_t5_matrix_encap selectCellAtRow:8 column:0];
 866                     }
 867                 }
 868                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 869                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
 870                 {
 871                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 872                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
 873                     {
 874                         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 875                         [o_t5_matrix_encap selectCellAtRow:9 column:0];
 876                     }
 877                 }
 878
 879             } else {
 880
 881                 /* we just transcoding the audio */
 882
 883                 /* select formats supported by the audio codec */
 884                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 885                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_PS"])
 886                 {
 887                     [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 888                     [o_t5_matrix_encap selectCellAtRow:0 column:0];
 889                 }
 890                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 891                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
 892                 {
 893                     [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 894                     [o_t5_matrix_encap selectCellAtRow:1 column:0];
 895                 }
 896                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 897                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
 898                 {
 899                     [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 900                     [o_t5_matrix_encap selectCellAtRow:2 column:0];
 901                 }
 902                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 903                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
 904                 {
 905                     [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 906                     [o_t5_matrix_encap selectCellAtRow:3 column:0];
 907                 }
 908                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 909                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
 910                 {
 911                     [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 912                     [o_t5_matrix_encap selectCellAtRow:4 column:0];
 913                 }
 914                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 915                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
 916                 {
 917                     [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 918                     [o_t5_matrix_encap selectCellAtRow:5 column:0];
 919                 }
 920                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 921                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
 922                 {
 923                     [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 924                     [o_t5_matrix_encap selectCellAtRow:6 column:0];
 925                 }
 926                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 927                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
 928                 {
 929                     [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 930                     [o_t5_matrix_encap selectCellAtRow:7 column:0];
 931                 }
 932                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 933                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
 934                 {
 935                     [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 936                     [o_t5_matrix_encap selectCellAtRow:8 column:0];
 937                 }
 938                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 939                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
 940                 {
 941                     [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 942                     [o_t5_matrix_encap selectCellAtRow:9 column:0];
 943                 }
 944             }
 945         }
 946         else if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
 947         {
 948             /* we are just transcoding the video */
 949
 950             /* select formats supported by the video-codec */
 951
 952             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 953                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
 954             {
 955                 [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 956                 [o_t5_matrix_encap selectCellAtRow:0 column:0];
 957             }
 958             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 959                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
 960             {
 961                 [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 962                 [o_t5_matrix_encap selectCellAtRow:1 column:0];
 963             }
 964             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 965                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
 966             {
 967                 [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 968                 [o_t5_matrix_encap selectCellAtRow:2 column:0];
 969             }
 970             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 971                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
 972             {
 973                 [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 974                 [o_t5_matrix_encap selectCellAtRow:3 column:0];
 975             }
 976             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 977                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
 978             {
 979                 [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 980                 [o_t5_matrix_encap selectCellAtRow:4 column:0];
 981             }
 982             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 983                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
 984             {
 985                 [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 986                 [o_t5_matrix_encap selectCellAtRow:5 column:0];
 987             }
 988             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 989                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
 990             {
 991                 [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 992                 [o_t5_matrix_encap selectCellAtRow:6 column:0];
 993             }
 994             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 995                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
 996             {
 997                 [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 998                 [o_t5_matrix_encap selectCellAtRow:7 column:0];
 999             }
1000             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
1001                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
1002             {
1003                 [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
1004                 [o_t5_matrix_encap selectCellAtRow:8 column:0];
1005             }
1006             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
1007                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
1008             {
1009                 [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
1010                 [o_t5_matrix_encap selectCellAtRow:9 column:0];
1011             }
1012         } else {
1013             /* we don't do any transcoding
1014              * -> enabled the encap-formats allowed when streaming content via
1015              * http plus MP4 since this should work fine in most cases */
1016
1017             /* FIXME: choose a selection of encap-formats based upon the
1018              * actually used codecs */
1019
1020             /* enable MPEG PS, MPEG TS, MPEG 1, OGG, RAW, ASF, MP4 and MOV
1021              * select MPEG PS */
1022             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
1023             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
1024             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
1025             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
1026             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
1027             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
1028             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1029             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
1030             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
1031             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1032             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1033             [o_t5_matrix_encap selectCellAtRow:0 column:0];
1034         }
1035
1036         if ( [o_userSelections objectForKey:@"stmgMhd"] == @"1" )
1037         {
1038             /* if MMS is the streaming protocol, only ASFH is available */
1039             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
1040             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:NO];
1041             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
1042             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
1043             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
1044             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
1045             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1046             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1047             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1048             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1049             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:YES];
1050             [o_t5_matrix_encap selectCellAtRow:10 column:0];
1051         }
1052         else if ( [o_userSelections objectForKey:@"stmgMhd"] == @"0" )
1053         {
1054             /* if HTTP is the streaming protocol, disable all unsupported
1055              * encap-formats, but don't touch the other ones selected above */
1056             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1057             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1058             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1059             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1060             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1061         }
1062         else if ( [[o_userSelections objectForKey:@"stmgMhd"] intValue] >= 2 )
1063         {
1064             /* if UDP/RTP is the streaming protocol, only MPEG-TS is available */
1065             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
1066             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
1067             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
1068             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
1069             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
1070             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1071             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1072             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1073             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1074             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1075             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
1076             [o_t5_matrix_encap selectCellAtRow:1 column:0];
1077         }
1078         int x;
1079         BOOL anythingEnabled;
1080         x = 0;
1081         anythingEnabled = NO;
1082         while (x != [o_t5_matrix_encap numberOfRows])
1083         {
1084             if ([[o_t5_matrix_encap cellAtRow:x column:0] isEnabled])
1085             {
1086                 anythingEnabled = YES;
1087             }
1088             x += 1;
1089         }
1090         if (anythingEnabled == YES)
1091         {
1092             /* go the encap-tab */
1093             [o_tab_pageHolder selectTabViewItemAtIndex:4];
1094         } else {
1095             /* show a sheet that the selected codecs are not compatible */
1096             NSBeginInformationalAlertSheet(_NS("Invalid selection"), _NS("OK"), \
1097                 @"", @"", o_wizard_window, nil, nil, nil, nil, _NS("The " \
1098                 "chosen codecs are not compatible with each other. For example: " \
1099                 "It is impossibleto  mix uncompressed audio with any video codec.\n\n" \
1100                 "Correct your selection and try again."));
1101         }
1102
1103     }
1104     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Encap"])
1105     {
1106         /* get the chosen encap format and store it */
1107         NSNumber * theNum;
1108         theNum = [NSNumber numberWithInt:[[o_t5_matrix_encap selectedCell] tag]];
1109         [o_userSelections setObject:[theNum stringValue] forKey:@"encapFormat"];
1110
1111         /* show either "Streaming 2" or "Transcode 2" to the user */
1112         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1113         {
1114             /* we are streaming */
1115             [o_tab_pageHolder selectTabViewItemAtIndex:5];
1116         }else{
1117             /* we are just transcoding */
1118             [o_tab_pageHolder selectTabViewItemAtIndex:6];
1119             /* in case that we are processing multiple items, let the user
1120              * select a folder instead of a localtion for a single item */
1121             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1122             {
1123                 [o_t7_txt_saveFileTo setStringValue:
1124                     _NS("Select the directory to save to")];
1125             }
1126             else
1127             {
1128                 [o_t7_txt_saveFileTo setStringValue:
1129                     _NS("Select the file to save to")];
1130             }
1131         }
1132     }
1133     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1134         @"Streaming 2"])
1135     {
1136         /* store the chosen TTL */
1137         [o_userSelections setObject:[o_t6_fld_ttl stringValue] forKey:@"ttl"];
1138
1139         /* check whether SAP is enabled and store the announce, if needed */
1140         if ([o_t6_ckb_sap state] == NSOnState)
1141         {
1142             [o_userSelections setObject:@"YES" forKey:@"sap"];
1143             [o_userSelections setObject:[o_t6_fld_sap stringValue] forKey:@"sapText"];
1144         } else {
1145             [o_userSelections setObject:@"NO" forKey:@"sap"];
1146         }
1147
1148         /* local playback? */
1149         if ([o_t6_ckb_local state] == NSOnState)
1150         {
1151             [o_userSelections setObject:@"YES" forKey:@"localPb"];
1152         } else {
1153             [o_userSelections setObject:@"NO" forKey:@"localPb"];
1154         }
1155
1156         /* include subtitles? */
1157         [o_userSelections setObject:
1158             [[NSNumber numberWithInt:[o_t6_ckb_soverlay state]] stringValue]
1159                              forKey: @"soverlay"];
1160
1161         /* go to "Summary" */
1162         [self showSummary];
1163     }
1164     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1165         @"Transcode 2"])
1166     {
1167         /* local playback? */
1168         if ([o_t7_ckb_local state] == NSOnState)
1169         {
1170             [o_userSelections setObject:@"YES" forKey:@"localPb"];
1171         } else {
1172             [o_userSelections setObject:@"NO" forKey:@"localPb"];
1173         }
1174
1175         /* check whether the path != "" and store it */
1176         if( [[o_t7_fld_filePath stringValue] isEqualToString: @""] )
1177         {
1178             /* complain to the user that "" is no valid path for a folder/file */
1179             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1180                 NSBeginInformationalAlertSheet(_NS("No folder selected"), \
1181                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1182                     [NSString stringWithFormat: @"%@\n\n%@", _NS("A directory "
1183                     "where to save the files has to be selected."),
1184                     _NS("Enter either a valid path or use the \"Choose...\" " \
1185                     "button to select a location.")]);
1186             else
1187                 NSBeginInformationalAlertSheet(_NS("No file selected"), \
1188                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1189                     [NSString stringWithFormat: @"%@\n\n%@", _NS("A file " \
1190                     "where to save the stream has to be selected."),
1191                     _NS("Enter either a valid path or use the \"Choose\" " \
1192                     "button to select a location.")]);
1193         } else {
1194             /* create a string containing the requested suffix for later usage */
1195             NSString * theEncapFormat = [[o_encapFormats objectAtIndex:
1196                 [[o_userSelections objectForKey:@"encapFormat"] intValue]] \
1197                 objectAtIndex:0];
1198             if( theEncapFormat == @"ps" )
1199                 theEncapFormat = @"mpg";
1200
1201             /* look whether we need to process multiple items or not.
1202              * choose a faster variant if we just want a single item */
1203             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1204             {
1205                 NSMutableArray * tempArray = [[NSMutableArray alloc] init];
1206                 int x = 0;
1207                 int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1208                 NSMutableString * tempString = [[NSMutableString alloc] init];
1209                 while( x != y )
1210                 {
1211                     NSString * fileNameToUse;
1212                     /* check whether the extension is hidden or not.
1213                      * if not, remove it
1214                      * we need the casting to make GCC4 happy */
1215                     if( [[[NSFileManager defaultManager] fileAttributesAtPath: \
1216                         [[o_userSelections objectForKey:@"pathToStrm"] \
1217                         objectAtIndex: x] traverseLink: NO] objectForKey: \
1218                         NSFileExtensionHidden] )
1219                         fileNameToUse = [NSString stringWithString:
1220                             [[NSFileManager defaultManager] displayNameAtPath:
1221                             [[o_userSelections objectForKey:@"pathToStrm"]
1222                             objectAtIndex: x]]];
1223                     else
1224                     {
1225                         int z = 0;
1226                         int count = [[[[NSFileManager defaultManager] \
1227                             displayNameAtPath: \
1228                             [[o_userSelections objectForKey:@"pathToStrm"] \
1229                             objectAtIndex: x]] \
1230                             componentsSeparatedByString: @"."] count];
1231                         fileNameToUse = @"";
1232                         while( z < (count - 1) )
1233                         {
1234                             fileNameToUse = [fileNameToUse stringByAppendingString:
1235                                 [[[[NSFileManager defaultManager] \
1236                                 displayNameAtPath: \
1237                                 [[o_userSelections objectForKey:@"pathToStrm"] \
1238                                 objectAtIndex: x]] \
1239                                 componentsSeparatedByString: @"."] \
1240                                 objectAtIndex: z]];
1241                             z += 1;
1242                         }
1243                     }
1244                     tempString = [NSString stringWithFormat: @"%@%@.%@",
1245                         [o_t7_fld_filePath stringValue],
1246                         fileNameToUse, theEncapFormat];
1247                     if( [[NSFileManager defaultManager] fileExistsAtPath: \
1248                         tempString] )
1249                     {
1250                         /* we don't wanna overwrite existing files, so add an
1251                          * int to the file-name */
1252                         int additionalInt = 1;
1253                         while( additionalInt < 100 )
1254                         {
1255                             tempString = [NSString stringWithFormat:@"%@%@ %i.%@",
1256                                 [o_t7_fld_filePath stringValue],
1257                                 fileNameToUse, additionalInt, theEncapFormat];
1258                             if(! [[NSFileManager defaultManager] \
1259                                 fileExistsAtPath: tempString] )
1260                                 break;
1261                             additionalInt += 1;
1262                         }
1263                         if( additionalInt >= 100 )
1264                             msg_Err( VLCIntf, "Files with the same name are " \
1265                                 "already present in the destination directory. " \
1266                                 "Delete these files or choose a different directory." );
1267                     }
1268                     [tempArray addObject: [tempString retain]];
1269                     x += 1;
1270                 }
1271                 [o_userSelections setObject: [NSArray arrayWithArray:tempArray]
1272                     forKey: @"trnscdFilePath"];
1273                 [tempArray release];
1274                 [tempString release];
1275             }
1276             else
1277             {
1278                 /* we don't need to check for existing items because Cocoa
1279                  * does that already when we are asking the user for a location
1280                  * to save her file */
1281                 [o_userSelections setObject: [NSArray arrayWithObject: \
1282                     [o_t7_fld_filePath stringValue]] forKey: @"trnscdFilePath"];
1283             }
1284
1285             /* include subtitles ? */
1286             [o_userSelections setObject:
1287                 [[NSNumber numberWithInt:[o_t7_ckb_soverlay state]] stringValue]
1288                                  forKey: @"soverlay"];
1289
1290             /* go to "Summary" */
1291             [self showSummary];
1292         }
1293     }
1294     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1295         @"Summary"])
1296     {
1297         intf_thread_t * p_intf = VLCIntf;
1298
1299         playlist_t * p_playlist = pl_Yield( p_intf );
1300
1301         int x = 0;
1302         int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1303         while( x != y )
1304         {
1305             /* we need a temp. variable here to work-around a GCC4-bug */
1306             NSString *tempString = [NSString stringWithFormat: \
1307                 @"%@ (%i/%i)", _NS("Streaming/Transcoding Wizard"), \
1308                 ( x + 1 ), y];
1309             input_item_t *p_input = input_ItemNew( p_playlist, \
1310                 [[[o_userSelections objectForKey:@"pathToStrm"] \
1311                 objectAtIndex:x] UTF8String], \
1312                 [tempString UTF8String] );
1313             input_ItemAddOption( p_input, [[[o_userSelections \
1314                 objectForKey:@"opts"] objectAtIndex: x] UTF8String]);
1315
1316             if(! [[o_userSelections objectForKey:@"partExtractFrom"] \
1317                 isEqualToString:@""] )
1318             {
1319                 input_ItemAddOption( p_input, [[NSString \
1320                     stringWithFormat: @"start-time=%@", [o_userSelections \
1321                     objectForKey: @"partExtractFrom"]] UTF8String] );
1322             }
1323
1324             if(! [[o_userSelections objectForKey:@"partExtractTo"] \
1325                 isEqualToString:@""] )
1326             {
1327                 input_ItemAddOption( p_input, [[NSString \
1328                     stringWithFormat: @"stop-time=%@", [o_userSelections \
1329                     objectForKey: @"partExtractTo"]] UTF8String] );
1330             }
1331
1332             input_ItemAddOption( p_input, [[NSString stringWithFormat: \
1333                 @"ttl=%@", [o_userSelections objectForKey:@"ttl"]] \
1334                 UTF8String] );
1335
1336             playlist_AddInput( p_playlist, p_input, PLAYLIST_STOP,
1337                 PLAYLIST_END, VLC_TRUE, VLC_FALSE );
1338
1339             if( x == 0 )
1340             {
1341                 /* play the first item and add the others afterwards */
1342                 playlist_item_t *p_item = playlist_ItemGetByInput( p_playlist, p_input, VLC_TRUE );
1343                 playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, VLC_TRUE, NULL,
1344                           p_item );
1345             }
1346
1347             x += 1;
1348         }
1349
1350         vlc_object_release( p_playlist );
1351
1352         /* close the window, since we are done */
1353         [o_wizard_window close];
1354     }
1355 }
1356
1357 - (void)rebuildCodecMenus
1358 {
1359     int savePreviousSel = 0;
1360     savePreviousSel = [o_t4_pop_videoCodec indexOfSelectedItem];
1361     [o_t4_pop_videoCodec removeAllItems];
1362     unsigned int x;
1363     x = 0;
1364     while (x != [o_videoCodecs count])
1365     {
1366         [o_t4_pop_videoCodec addItemWithTitle:[[o_videoCodecs objectAtIndex:x] \
1367             objectAtIndex:0]];
1368         x += 1;
1369     }
1370     if( b_keepSettingsOrNot && savePreviousSel >= 0 )
1371         [o_t4_pop_videoCodec selectItemAtIndex: savePreviousSel];
1372
1373     savePreviousSel = [o_t4_pop_audioCodec indexOfSelectedItem];
1374     [o_t4_pop_audioCodec removeAllItems];
1375     x = 0;
1376     while (x != [o_audioCodecs count])
1377     {
1378         [o_t4_pop_audioCodec addItemWithTitle:[[o_audioCodecs objectAtIndex:x] \
1379             objectAtIndex:0]];
1380         x += 1;
1381     }
1382     if( b_keepSettingsOrNot && savePreviousSel >= 0 )
1383         [o_t4_pop_audioCodec selectItemAtIndex: savePreviousSel];
1384 }
1385
1386 - (void)showSummary
1387 {
1388     [o_btn_forward setTitle: _NS("Finish")];
1389     /* if we will transcode multiple items, just give their number; otherwise
1390      * print the URI of the single item */
1391     if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1392         [o_t8_fld_inptStream setStringValue: [NSString stringWithFormat:
1393             _NS("%i items"),
1394             [[o_userSelections objectForKey:@"pathToStrm"] count]]];
1395     else
1396         [o_t8_fld_inptStream setStringValue:
1397             [[o_userSelections objectForKey:@"pathToStrm"] objectAtIndex: 0]];
1398
1399     if ([[o_userSelections objectForKey:@"localPb"] isEqualToString: @"YES"])
1400     {
1401         [o_t8_fld_local setStringValue: _NS("yes")];
1402     } else {
1403         [o_t8_fld_local setStringValue: _NS("no")];
1404     }
1405
1406     if ([[o_userSelections objectForKey:@"partExtract"] isEqualToString: @"YES"])
1407     {
1408         [o_t8_fld_partExtract setStringValue: [NSString stringWithFormat:
1409             _NS("yes: from %@ to %@ secs"),
1410             [o_userSelections objectForKey:@"partExtractFrom"],
1411             [o_userSelections objectForKey:@"partExtractTo"]]];
1412     } else {
1413         [o_t8_fld_partExtract setStringValue: _NS("no")];
1414     }
1415
1416     if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
1417     {
1418         [o_t8_fld_trnscdVideo setStringValue: [NSString stringWithFormat:
1419             _NS("yes: %@ @ %@ kb/s"),
1420             [[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
1421             @"trnscdVideoCodec"] intValue]] objectAtIndex:0],
1422             [o_userSelections objectForKey:@"trnscdVideoBitrate"]]];
1423     }
1424     else
1425     {
1426         [o_t8_fld_trnscdVideo setStringValue: _NS("no")];
1427     }
1428
1429     if ([[o_userSelections objectForKey:@"soverlay"] isEqualToString:@"1"])
1430         [o_t8_fld_soverlay setStringValue: _NS("yes")];
1431     else
1432         [o_t8_fld_soverlay setStringValue: _NS("no")];
1433
1434     if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1435     {
1436         [o_t8_fld_trnscdAudio setStringValue: [NSString stringWithFormat:
1437             _NS("yes: %@ @ %@ kb/s"),
1438             [[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
1439                 @"trnscdAudioCodec"] intValue]] objectAtIndex:0],
1440             [o_userSelections objectForKey:@"trnscdAudioBitrate"]]];
1441     }
1442     else
1443     {
1444         [o_t8_fld_trnscdAudio setStringValue: _NS("no")];
1445     }
1446
1447     if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1448     {
1449         /* we are streaming and perhaps also transcoding */
1450         [o_t8_fld_saveFileTo setStringValue: @"-"];
1451         [o_t8_fld_strmgMthd setStringValue: [[o_strmgMthds objectAtIndex: \
1452             [[o_userSelections objectForKey:@"stmgMhd"] intValue]] \
1453             objectAtIndex:1]];
1454         [o_t8_fld_destination setStringValue: [o_userSelections objectForKey: \
1455             @"stmgDest"]];
1456         [o_t8_fld_ttl setStringValue: [o_userSelections objectForKey:@"ttl"]];
1457         if ([[o_userSelections objectForKey:@"sap"] isEqualToString: @"YES"])
1458         {
1459             [o_t8_fld_sap setStringValue:
1460                 [_NS("yes") stringByAppendingFormat: @": \"%@\"",
1461                     [o_userSelections objectForKey:@"sapText"]]];
1462         }else{
1463             [o_t8_fld_sap setStringValue: _NS("no")];
1464         }
1465     } else {
1466         /* we are transcoding */
1467         [o_t8_fld_strmgMthd setStringValue: @"-"];
1468         [o_t8_fld_destination setStringValue: @"-"];
1469         [o_t8_fld_ttl setStringValue: @"-"];
1470         [o_t8_fld_sap setStringValue: @"-"];
1471         /* do only show the destination of the first item and add a counter, if needed */
1472         if( [[o_userSelections objectForKey: @"trnscdFilePath"] count] > 1 )
1473             [o_t8_fld_saveFileTo setStringValue: \
1474                 [NSString stringWithFormat: @"%@ (+%i)", \
1475                 [[o_userSelections objectForKey: @"trnscdFilePath"] objectAtIndex:0], \
1476                 ([[o_userSelections objectForKey: @"trnscdFilePath"] count] - 1)]];
1477         else
1478             [o_t8_fld_saveFileTo setStringValue: \
1479                 [[o_userSelections objectForKey: @"trnscdFilePath"] objectAtIndex:0]];
1480     }
1481     [o_t8_fld_encapFormat setStringValue: [[o_encapFormats objectAtIndex: \
1482         [[o_userSelections objectForKey:@"encapFormat"] intValue]] objectAtIndex:1]];
1483
1484     [self createOpts];
1485     [o_t8_fld_mrl setStringValue: [[o_userSelections objectForKey:@"opts"]
1486         objectAtIndex: 0]];
1487
1488     [o_tab_pageHolder selectTabViewItemAtIndex:7];
1489 }
1490
1491 - (void) createOpts
1492 {
1493     NSMutableString * o_opts_string = [NSMutableString stringWithString:@""];
1494     NSMutableString *o_trnscdCmd = [NSMutableString stringWithString:@""];
1495     NSMutableString *o_duplicateCmd = [NSMutableString stringWithString:@""];
1496     int x = 0;
1497     int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1498     NSMutableArray * tempArray = [[NSMutableArray alloc] init];
1499
1500     /* loop to create an opt-string for each item we're processing */
1501     while( x != y )
1502     {
1503         /* check whether we transcode the audio and/or the video and compose a
1504          * string reflecting the settings, if needed */
1505         if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
1506         {
1507             [o_trnscdCmd appendString: @"transcode{"];
1508             [o_trnscdCmd appendFormat: @"vcodec=%s,vb=%i", [[[o_videoCodecs \
1509                 objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] \
1510                 intValue]] objectAtIndex:1] UTF8String],  [[o_userSelections \
1511                 objectForKey:@"trnscdVideoBitrate"] intValue]];
1512             if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1513             {
1514                 [o_trnscdCmd appendString: @","];
1515             }
1516             else
1517             {
1518                 [o_trnscdCmd appendString: @"}:"];
1519             }
1520         }
1521
1522         /* check whether the user requested local playback. if yes, prepare the
1523          * string, if not, let it empty */
1524         if ([[o_userSelections objectForKey:@"localPb"] isEqualToString:@"YES"])
1525         {
1526             [o_duplicateCmd appendString: @"duplicate{dst=display,dst=\""];
1527         }
1528
1529         if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1530         {
1531             if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"NO"])
1532             {
1533                 /* in case we transcode the audio only, add this */
1534                 [o_trnscdCmd appendString: @"transcode{"];
1535             }
1536             [o_trnscdCmd appendFormat: @"acodec=%s,ab=%i}:", [[[o_audioCodecs \
1537                 objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] \
1538                 intValue]] objectAtIndex:1] UTF8String],  [[o_userSelections \
1539                 objectForKey:@"trnscdAudioBitrate"] intValue]];
1540         }
1541
1542         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"trnscd"])
1543         {
1544             /* we are just transcoding and dumping the stuff to a file */
1545             [o_opts_string appendFormat: \
1546                 @":sout=#%s%sstandard{mux=%s,dst=%s,access=file}", [o_duplicateCmd \
1547                 UTF8String], [o_trnscdCmd UTF8String], [[[o_encapFormats \
1548                 objectAtIndex: [[o_userSelections objectForKey:@"encapFormat"] \
1549                 intValue]] objectAtIndex:0] UTF8String], [[[o_userSelections \
1550                 objectForKey: @"trnscdFilePath"] objectAtIndex: x] UTF8String]];
1551         }
1552         else
1553         {
1554
1555             /* we are streaming */
1556             if ([[o_userSelections objectForKey:@"sap"] isEqualToString:@"YES"])
1557             {
1558                 /* SAP-Announcement is requested */
1559                 NSMutableString *o_sap_option = [NSMutableString stringWithString:@""];
1560                 if([[o_userSelections objectForKey:@"sapText"] isEqualToString:@""])
1561                 {
1562                     [o_sap_option appendString: @"sap"];
1563                 }
1564                 else
1565                 {
1566                     [o_sap_option appendFormat: @"sap,name=\"%s\"", \
1567                         [[o_userSelections objectForKey:@"sapText"] UTF8String]];
1568                 }
1569                 [o_opts_string appendFormat: \
1570                     @":sout=#%s%sstandard{mux=%s,dst=%s,access=%s,%s}", \
1571                     [o_duplicateCmd UTF8String], [o_trnscdCmd UTF8String], \
1572                     [[[o_encapFormats objectAtIndex: [[o_userSelections \
1573                     objectForKey: @"encapFormat"] intValue]] objectAtIndex:0] \
1574                     UTF8String], [[o_userSelections objectForKey: @"stmgDest"] \
1575                     UTF8String], [[[o_strmgMthds objectAtIndex: [[o_userSelections \
1576                     objectForKey: @"stmgMhd"] intValue]] objectAtIndex:0] \
1577                     UTF8String], [o_sap_option UTF8String]];
1578             }
1579             else
1580             {
1581                 /* no SAP, just streaming */
1582                 [o_opts_string appendFormat: \
1583                     @":sout=#%s%sstandard{mux=%s,dst=%s,access=%s}", \
1584                     [o_duplicateCmd UTF8String], [o_trnscdCmd UTF8String], \
1585                     [[[o_encapFormats objectAtIndex: [[o_userSelections \
1586                     objectForKey: @"encapFormat"] intValue]] objectAtIndex:0] \
1587                     UTF8String], [[o_userSelections objectForKey: \
1588                     @"stmgDest"] UTF8String], [[[o_strmgMthds objectAtIndex: \
1589                     [[o_userSelections objectForKey: @"stmgMhd"] intValue]] \
1590                     objectAtIndex:0] UTF8String]];
1591             }
1592         }
1593
1594         /* check whether the user requested local playback. if yes, close the
1595          * string with an additional bracket */
1596         if ([[o_userSelections objectForKey:@"localPb"] isEqualToString:@"YES"])
1597         {
1598             [o_opts_string appendString: @"\"}"];
1599         }
1600
1601         /* add subtitles to the video if desired */
1602         [o_opts_string appendFormat: @":sout-transcode-soverlay=%@",
1603                 [o_userSelections objectForKey:@"soverlay"]];
1604
1605         [tempArray addObject: o_opts_string];
1606
1607         o_opts_string = [NSMutableString stringWithString:@""];
1608         o_trnscdCmd = [NSMutableString stringWithString:@""];
1609         o_duplicateCmd = [NSMutableString stringWithString:@""];
1610         x += 1;
1611     }
1612     [o_userSelections setObject:[NSArray arrayWithArray: tempArray] forKey:@"opts"];
1613     [tempArray release];
1614 }
1615
1616 - (IBAction)prevTab:(id)sender
1617 {
1618     if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Summary"])
1619     {
1620         /* check whether we are streaming or transcoding and go back */
1621         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1622         {
1623             /* show "Streaming 2" */
1624             [o_tab_pageHolder selectTabViewItemAtIndex:5];
1625         }else{
1626             /* show "Transcode 2" */
1627             [o_tab_pageHolder selectTabViewItemAtIndex:6];
1628         }
1629         /* rename the forward-button */
1630         [o_btn_forward setTitle: _NS("Next")];
1631     }
1632     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1633         @"Transcode 2"])
1634     {
1635         /* show "Encap" */
1636         [o_tab_pageHolder selectTabViewItemAtIndex:4];
1637     }
1638     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1639         @"Streaming 2"])
1640     {
1641         /* show "Encap" */
1642         [o_tab_pageHolder selectTabViewItemAtIndex:4];
1643     }
1644     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1645         @"Encap"])
1646     {
1647         /* show "Transcode 1" */
1648         [o_tab_pageHolder selectTabViewItemAtIndex:3];
1649     }
1650     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1651         @"Streaming 1"])
1652     {
1653         /* show "Input" */
1654         [o_tab_pageHolder selectTabViewItemAtIndex:1];
1655     }
1656     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1657         @"Transcode 1"])
1658     {
1659         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1660         {
1661             /* show "Streaming 1" */
1662             [o_tab_pageHolder selectTabViewItemAtIndex:2];
1663         }else{
1664             /* show "Input" */
1665             [o_tab_pageHolder selectTabViewItemAtIndex:1];
1666         }
1667     }
1668     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1669         @"Input"])
1670     {
1671         /* reset the wizard before going backwards. Otherwise, we might get
1672          * unwanted behaviours in the Encap-Selection */
1673         [self resetWizard];
1674         /* show "Hello" */
1675         [o_tab_pageHolder selectTabViewItemAtIndex:0];
1676         /* disable backwards-btn */
1677         [o_btn_backward setEnabled:NO];
1678     }
1679 }
1680
1681 - (IBAction)t1_mrInfo_streaming:(id)sender
1682 {
1683     /* show a sheet for the help */
1684     NSBeginInformationalAlertSheet(_NS("Stream to network"), \
1685         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1686         _NS("This allows to stream on a network."));
1687 }
1688
1689 - (IBAction)t1_mrInfo_transcode:(id)sender
1690 {
1691     /* show a sheet for the help */
1692     NSBeginInformationalAlertSheet(_NS("Transcode/Save to file"), \
1693         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1694         _NS("This allows to save a stream to a file. The "\
1695         "can be reencoded on the fly. Whatever "\
1696         "VLC can read can be saved.\nPlease note that VLC is not very suited " \
1697         "for file to file transcoding. Its transcoding " \
1698         "features are however useful to save network streams, for example."));
1699 }
1700
1701 - (IBAction)t2_addNewStream:(id)sender
1702 {
1703     NSOpenPanel * openPanel = [NSOpenPanel openPanel];
1704     SEL sel = @selector(t2_getNewStreamFromDialog:returnCode:contextInfo:);
1705     [openPanel beginSheetForDirectory:nil file:nil types:nil modalForWindow: \
1706         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1707 }
1708
1709 - (void)t2_getNewStreamFromDialog: (NSOpenPanel *)sheet returnCode: \
1710     (int)returnCode contextInfo: (void *)contextInfo
1711 {
1712     if (returnCode == NSOKButton)
1713     {
1714         [o_t2_fld_pathToNewStrm setStringValue: [@"file://" \
1715             stringByAppendingString: [sheet filename]]];
1716     }
1717 }
1718
1719 - (IBAction)t2_chooseStreamOrPlst:(id)sender
1720 {
1721     /* enable and disable the respective items depending on user's choice */
1722     NSString *o_mode;
1723     o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
1724
1725     if( [o_mode isEqualToString: _NS("Select a stream")] )
1726     {
1727         [o_t2_btn_chooseFile setEnabled:YES];
1728         [o_t2_fld_pathToNewStrm setEnabled:YES];
1729         [o_t2_tbl_plst setEnabled:NO];
1730     } else {
1731         [o_t2_btn_chooseFile setEnabled:NO];
1732         [o_t2_fld_pathToNewStrm setEnabled:NO];
1733         [o_t2_tbl_plst setEnabled:YES];
1734     }
1735 }
1736
1737 - (IBAction)t2_enableExtract:(id)sender
1738 {
1739     /* enable/disable the respective items */
1740     if([o_t2_ckb_enblPartExtrct state] == NSOnState)
1741     {
1742         [o_t2_fld_prtExtrctFrom setEnabled:YES];
1743         [o_t2_fld_prtExtrctTo setEnabled:YES];
1744     } else {
1745         [o_t2_fld_prtExtrctFrom setEnabled:NO];
1746         [o_t2_fld_prtExtrctTo setEnabled:NO];
1747         [o_t2_fld_prtExtrctFrom setStringValue:@""];
1748         [o_t2_fld_prtExtrctTo setStringValue:@""];
1749     }
1750 }
1751
1752 - (IBAction)t3_strmMthdChanged:(id)sender
1753 {
1754     /* change the captions of o_t3_txt_destInfo according to the chosen
1755      * streaming method */
1756     int mode;
1757     mode = [[o_t3_matrix_stmgMhd selectedCell] tag];
1758     if( mode == 0 )
1759     {
1760         /* HTTP */
1761         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:0] \
1762             objectAtIndex:2]];
1763         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:0] \
1764             objectAtIndex:3]];
1765     }
1766     else if( mode == 1 )
1767     {
1768         /* MMS */
1769         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:1] \
1770             objectAtIndex:2]];
1771         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:1] \
1772             objectAtIndex:3]];
1773     }
1774     else if( mode == 2 )
1775     {
1776         /* UDP-Unicast */
1777         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:2] \
1778             objectAtIndex:2]];
1779         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:2] \
1780         objectAtIndex:3]];
1781     }
1782     else if( mode == 3 )
1783     {
1784         /* UDP-Multicast */
1785         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:3] \
1786             objectAtIndex:2]];
1787         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:3] \
1788         objectAtIndex:3]];
1789     }
1790     else if( mode == 4 )
1791     {
1792         /* RTP-Unicast */
1793         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:4] \
1794             objectAtIndex:2]];
1795         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:4] \
1796             objectAtIndex:3]];
1797     }
1798     else if( mode == 5 )
1799     {
1800         /* RTP-Multicast */
1801         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:5] \
1802             objectAtIndex:2]];
1803         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:5] \
1804         objectAtIndex:3]];
1805     }
1806 }
1807
1808 - (IBAction)t4_AudCdcChanged:(id)sender
1809 {
1810     /* update codec info */
1811     [o_t4_txt_hintAudio setStringValue:[[o_audioCodecs objectAtIndex: \
1812         [o_t4_pop_audioCodec indexOfSelectedItem]] objectAtIndex:2]];
1813 }
1814
1815 - (IBAction)t4_enblAudTrnscd:(id)sender
1816 {
1817     /* enable/disable the respective items */
1818     if([o_t4_ckb_audio state] == NSOnState)
1819     {
1820         [o_t4_pop_audioCodec setEnabled:YES];
1821         [o_t4_pop_audioBitrate setEnabled:YES];
1822         [o_t4_txt_hintAudio setStringValue: _NS("Select your audio codec. " \
1823         "Click one to get more information.")];
1824     } else {
1825         [o_t4_pop_audioCodec setEnabled:NO];
1826         [o_t4_pop_audioBitrate setEnabled:NO];
1827         [o_t4_txt_hintAudio setStringValue: _NS("Enabling this allows to transcode " \
1828         "the audio track if one is present in the stream.")];
1829     }
1830 }
1831
1832 - (IBAction)t4_enblVidTrnscd:(id)sender
1833 {
1834     /* enable/disable the respective items */
1835     if([o_t4_ckb_video state] == NSOnState)
1836     {
1837         [o_t4_pop_videoCodec setEnabled:YES];
1838         [o_t4_pop_videoBitrate setEnabled:YES];
1839         [o_t4_txt_hintVideo setStringValue: _NS("Select your video codec. "\
1840         "Click one to get more information.")];
1841     } else {
1842         [o_t4_pop_videoCodec setEnabled:NO];
1843         [o_t4_pop_videoBitrate setEnabled:NO];
1844         [o_t4_txt_hintVideo setStringValue: _NS("Enabling this allows to transcode " \
1845         "the video track if one is present in the stream.")];
1846
1847     }
1848 }
1849
1850 - (IBAction)t4_VidCdcChanged:(id)sender
1851 {
1852     /* update codec info */
1853     [o_t4_txt_hintVideo setStringValue:[[o_videoCodecs objectAtIndex: \
1854         [o_t4_pop_videoCodec indexOfSelectedItem]] objectAtIndex:2]];
1855 }
1856
1857 - (IBAction)t6_enblSapAnnce:(id)sender
1858 {
1859     /* enable/disable input fld */
1860     if([o_t6_ckb_sap state] == NSOnState)
1861     {
1862         [o_t6_fld_sap setEnabled:YES];
1863     } else {
1864         [o_t6_fld_sap setEnabled:NO];
1865         [o_t6_fld_sap setStringValue:@""];
1866     }
1867 }
1868
1869 - (IBAction)t6_mrInfo_ttl:(id)sender
1870 {
1871     /* show a sheet for the help */
1872     NSBeginInformationalAlertSheet(_NS("Time-To-Live (TTL)"), \
1873         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1874         _NS("This allows to define the TTL (Time-To-Live) of the stream. "\
1875             "This parameter is the maximum number of routers your stream can " \
1876             "go through. If you don't know what it means, or if you want to " \
1877             "stream on your local network only, leave this setting to 1."));
1878 }
1879
1880 - (IBAction)t6_mrInfo_sap:(id)sender
1881 {
1882     /* show a sheet for the help */
1883     NSBeginInformationalAlertSheet(_NS("SAP Announce"), \
1884         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1885         _NS("When streaming using UDP, the streams can be " \
1886         "announced using the SAP/SDP announcing protocol. This " \
1887         "way, the clients won't have to type in the multicast address, it " \
1888         "will appear in their playlist if they enable the SAP extra " \
1889         "interface.\nIf you want to give a name to your stream, enter it " \
1890         "here, else, a default name will be used."));
1891 }
1892
1893 - (IBAction)t67_mrInfo_local:(id)sender
1894 {
1895     /* show a sheet for the help */
1896     NSBeginInformationalAlertSheet(_NS("Local playback"), \
1897             _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1898             _NS("When this option is enabled, the stream will be both played " \
1899             "and transcoded/streamed.\n\nNote that this requires much more " \
1900             "CPU power than simple transcoding or streaming."));
1901 }
1902
1903 - (IBAction)t7_selectTrnscdDestFile:(id)sender
1904 {
1905     /* provide a save-to-dialogue, so the user can choose a location for
1906      * his/her new file. We take a modified NSOpenPanel to select a folder
1907      * and a plain NSSavePanel to save a single file. */
1908
1909     SEL sel = @selector(t7_getTrnscdDestFile:returnCode:contextInfo:);
1910
1911     if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1912     {
1913         NSOpenPanel * saveFolderPanel = [[NSOpenPanel alloc] init];
1914
1915         [saveFolderPanel setCanChooseDirectories: YES];
1916         [saveFolderPanel setCanChooseFiles: NO];
1917         [saveFolderPanel setCanSelectHiddenExtension: NO];
1918         [saveFolderPanel setCanCreateDirectories: YES];
1919         [saveFolderPanel beginSheetForDirectory:nil file:nil modalForWindow: \
1920         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1921     }
1922     else
1923     {
1924         NSSavePanel * saveFilePanel = [[NSSavePanel alloc] init];
1925
1926         /* don't use ".ps" as suffix, since the OSX Finder confuses our
1927          * creations with PostScript-files and wants to open them with
1928          * Preview.app */
1929         NSString * theEncapFormat = [[o_encapFormats objectAtIndex: \
1930         [[o_userSelections objectForKey:@"encapFormat"] intValue]] \
1931         objectAtIndex:0];
1932         if( theEncapFormat != @"ps" )
1933             [saveFilePanel setRequiredFileType: theEncapFormat];
1934         else
1935             [saveFilePanel setRequiredFileType: @"mpg"];
1936
1937         [saveFilePanel setCanSelectHiddenExtension: YES];
1938         [saveFilePanel setCanCreateDirectories: YES];
1939         [saveFilePanel beginSheetForDirectory:nil file:nil modalForWindow: \
1940         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1941     }
1942 }
1943
1944 - (void)t7_getTrnscdDestFile: (NSOpenPanel *)sheet returnCode: \
1945     (int)returnCode contextInfo: (void *)contextInfo
1946 {
1947     if (returnCode == NSOKButton)
1948     {
1949         /* output returned path to text-field, add a / to the end if the user
1950          * selected a folder */
1951         if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1952             [o_t7_fld_filePath setStringValue: [NSString stringWithFormat: \
1953                 @"%@/", [sheet filename]]];
1954         else
1955             [o_t7_fld_filePath setStringValue:[sheet filename]];
1956     }
1957     [sheet release];
1958 }
1959
1960 @end