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

   1 /*****************************************************************************
   2  * wizard.m: MacOS X Streaming Wizard
   3  *****************************************************************************
   4  * Copyright (C) 2005-2006 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Felix Kühne <fkuehne@users.sf.net>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24
  25 /*****************************************************************************
  26  * Note: this code is partially based upon ../wxwidgets/wizard.cpp and
  27  *         ../wxwidgets/streamdata.h; both written by Clément Stenac.
  28  *****************************************************************************/
  29
  30
  31 /*****************************************************************************
  32  * Preamble
  33  *****************************************************************************/
  34 #import "wizard.h"
  35 #import "intf.h"
  36 #import "network.h"
  37 #import "playlist.h"
  38 #import <vlc/intf.h>
  39
  40 /*****************************************************************************
  41  * VLCWizard implementation
  42  *****************************************************************************/
  43
  44 @implementation VLCWizard
  45
  46 static VLCWizard *_o_sharedInstance = nil;
  47
  48 + (VLCWizard *)sharedInstance
  49 {
  50     return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
  51 }
  52
  53 - (id)init
  54 {
  55     if (_o_sharedInstance) {
  56         [self dealloc];
  57     } else {
  58         _o_sharedInstance = [super init];
  59     }
  60
  61     return _o_sharedInstance;
  62 }
  63
  64 - (void)dealloc
  65 {
  66     [o_userSelections release];
  67     [o_videoCodecs release];
  68     [o_audioCodecs release];
  69     [o_encapFormats release];
  70     [super dealloc];
  71 }
  72
  73 - (void)awakeFromNib
  74 {
  75     /* some minor cleanup */
  76     [o_t2_tbl_plst setEnabled:NO];
  77     o_userSelections = [[NSMutableDictionary alloc] init];
  78     [o_btn_backward setEnabled:NO];
  79
  80     /* add audio-bitrates for transcoding */
  81     NSArray * audioBitratesArray;
  82     audioBitratesArray = [NSArray arrayWithObjects: @"512", @"256", @"192", \
  83         @"128", @"64", @"32", @"16", nil ];
  84     [o_t4_pop_audioBitrate removeAllItems];
  85     [o_t4_pop_audioBitrate addItemsWithTitles: audioBitratesArray];
  86     [o_t4_pop_audioBitrate selectItemWithTitle: @"192"];
  87
  88     /* add video-bitrates for transcoding */
  89     NSArray * videoBitratesArray;
  90     videoBitratesArray = [NSArray arrayWithObjects: @"3072", @"2048", @"1024", \
  91         @"768", @"512", @"256", @"192", @"128", @"64", @"32", @"16", nil ];
  92     [o_t4_pop_videoBitrate removeAllItems];
  93     [o_t4_pop_videoBitrate addItemsWithTitles: videoBitratesArray];
  94     [o_t4_pop_videoBitrate selectItemWithTitle: @"1024"];
  95
  96     /* fill 2 global arrays with arrays containing all codec-related information
  97      * - one array per codec named by its short name to define the encap-compability,
  98      *     cmd-names, real names, more info in the order: realName, shortName,
  99      *     moreInfo, encaps */
 100     NSArray * o_mp1v;
 101     NSArray * o_mp2v;
 102     NSArray * o_mp4v;
 103     NSArray * o_div1;
 104     NSArray * o_div2;
 105     NSArray * o_div3;
 106     NSArray * o_h263;
 107     NSArray * o_h264;
 108     NSArray * o_wmv1;
 109     NSArray * o_wmv2;
 110     NSArray * o_mjpg;
 111     NSArray * o_theo;
 112     NSArray * o_dummyVid;
 113     o_mp1v = [NSArray arrayWithObjects: @"MPEG-1 Video", @"mp1v", \
 114         _NS("MPEG-1 Video codec (usable with MPEG PS, MPEG TS, MPEG1, OGG " \
 115         "and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_OGG", @"MUX_RAW", \
 116         @"NO", @"NO", @"NO", @"NO", nil];
 117     o_mp2v = [NSArray arrayWithObjects: @"MPEG-2 Video", @"mp2v", \
 118         _NS("MPEG-2 Video codec (usable with MPEG PS, MPEG TS, MPEG1, OGG " \
 119         "and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_OGG", @"MUX_RAW", \
 120         @"NO", @"NO", @"NO", @"NO", nil];
 121     o_mp4v = [NSArray arrayWithObjects: @"MPEG-4 Video", @"mp4v", \
 122         _NS("MPEG-4 Video codec (useable with MPEG PS, MPEG TS, MPEG1, ASF, " \
 123         "MP4, OGG and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", \
 124         @"MUX_MP4", @"MUX_OGG", @"MUX_RAW", @"NO", @"NO", nil];
 125     o_div1 = [NSArray arrayWithObjects: @"DIVX 1", @"DIV1", \
 126         _NS("DivX first version (useable with MPEG TS, MPEG1, ASF and OGG)"), \
 127         @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO", \
 128         @"NO", @"NO", nil];
 129     o_div2 = [NSArray arrayWithObjects: @"DIVX 2", @"DIV2", \
 130         _NS("DivX second version (useable with MPEG TS, MPEG1, ASF and OGG)"), \
 131         @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO", \
 132         @"NO", @"NO", nil];
 133     o_div3 = [NSArray arrayWithObjects: @"DIVX 3", @"DIV3", \
 134         _NS("DivX third version (useable with MPEG TS, MPEG1, ASF and OGG)"), \
 135         @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO", \
 136         @"NO", @"NO", nil];
 137     o_h263 = [NSArray arrayWithObjects: @"H.263", @"h263", \
 138         _NS("H263 is a video codec optimized for videoconference " \
 139         "(low rates, useable with MPEG TS)"), @"MUX_TS", @"NO", @"NO", @"NO", \
 140         @"NO", @"NO", @"NO", @"NO", @"NO", nil];
 141     o_h264 = [NSArray arrayWithObjects: @"H.264", @"h264", \
 142         _NS("H264 is a new video codec (useable with MPEG TS and MP4)"), \
 143         @"MUX_TS", @"MUX_MP4", @"NO", @"NO", @"NO", @"NO", @"NO", @"NO", \
 144         @"NO", nil];
 145     o_wmv1 = [NSArray arrayWithObjects: @"WMV 1", @"WMV1", \
 146         _NS("WMV (Windows Media Video) 1 (useable with MPEG TS, MPEG1, ASF and " \
 147         "OGG)"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", \
 148         @"NO", @"NO", @"NO", nil];
 149     o_wmv2 = [NSArray arrayWithObjects: @"WMV 2", @"WMV2", \
 150         _NS("WMV (Windows Media Video) 2 (useable with MPEG TS, MPEG1, ASF and " \
 151         "OGG)"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", \
 152         @"NO", @"NO", @"NO", nil];
 153     o_mjpg = [NSArray arrayWithObjects: @"MJPEG", @"MJPG", \
 154         _NS("MJPEG consists of a series of JPEG pictures (useable with MPEG TS," \
 155         " MPEG1, ASF and OGG)"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", \
 156         @"NO", @"NO", @"NO", @"NO", @"NO", nil];
 157     o_theo = [NSArray arrayWithObjects: @"Theora", @"theo", \
 158         _NS("Theora is a free general-purpose codec (useable with MPEG TS " \
 159         "and OGG)"), @"MUX_TS", @"MUX_OGG", @"NO", @"NO", @"NO", @"NO", @"NO", \
 160         @"NO", @"NO", nil];
 161     o_dummyVid = [NSArray arrayWithObjects: @"Dummy", @"dummy", \
 162         _NS("Dummy codec (do not transcode, useable with all encapsulation " \
 163         "formats)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_MP4", \
 164         @"MUX_OGG", @"MUX_WAV", @"MUX_RAW", @"MUX_MOV", nil];
 165     o_videoCodecs = [[NSArray alloc] initWithObjects: o_mp1v, o_mp2v, o_mp4v, \
 166         o_div1, o_div2, o_div3, o_h263, o_h264, o_wmv1, o_wmv2, o_mjpg, o_theo, \
 167         o_dummyVid, nil];
 168
 169
 170     NSArray * o_mpga;
 171     NSArray * o_mp3;
 172     NSArray * o_mp4a;
 173     NSArray * o_a52;
 174     NSArray * o_vorb;
 175     NSArray * o_flac;
 176     NSArray * o_spx;
 177     NSArray * o_s16l;
 178     NSArray * o_fl32;
 179     NSArray * o_dummyAud;
 180     o_mpga = [NSArray arrayWithObjects: @"MPEG Audio", @"mpga", \
 181         _NS("The standard MPEG audio (1/2) format (useable with MPEG PS, MPEG TS, " \
 182         "MPEG1, ASF, OGG and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", \
 183         @"MUX_ASF", @"MUX_OGG", @"MUX_RAW", @"-1", @"-1", @"-1", nil];
 184     o_mp3 = [NSArray arrayWithObjects: @"MP3", @"mp3", \
 185         _NS("MPEG Audio Layer 3 (useable with MPEG PS, MPEG TS, MPEG1, ASF, OGG " \
 186         "and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", \
 187         @"MUX_RAW", @"-1", @"-1", @"-1", nil];
 188     o_mp4a = [NSArray arrayWithObjects: @"MPEG 4 Audio", @"mp4a", \
 189         _NS("Audio format for MPEG4 (useable with MPEG TS and MPEG4)"), @"MUX_TS", \
 190         @"MUX_MP4", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
 191     o_a52 = [NSArray arrayWithObjects: @"A/52", @"a52",
 192         _NS("DVD audio format (useable with MPEG PS, MPEG TS, MPEG1, ASF, OGG " \
 193         "and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", \
 194         @"MUX_RAW", @"-1", @"-1", @"-1", nil];
 195     o_vorb = [NSArray arrayWithObjects: @"Vorbis", @"vorb", \
 196         _NS("Vorbis is a free audio codec (useable with OGG)"), @"MUX_OGG", \
 197         @"-1",  @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
 198     o_flac = [NSArray arrayWithObjects: @"FLAC", @"flac", \
 199         _NS("FLAC is a lossless audio codec (useable with OGG and RAW)"), \
 200         @"MUX_OGG", @"MUX_RAW", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", \
 201         @"-1", nil];
 202     o_spx = [NSArray arrayWithObjects: @"Speex", @"spx", \
 203         _NS("A free audio codec dedicated to compression of voice (useable " \
 204         "with OGG)"), @"MUX_OGG", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", \
 205         @"-1", @"-1", nil];
 206     o_s16l = [NSArray arrayWithObjects: @"Uncompressed, integer", @"s16l", \
 207         _NS("Uncompressed audio samples (useable with WAV)"), @"MUX_WAV", \
 208         @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
 209     o_fl32 = [NSArray arrayWithObjects: @"Uncompressed, floating point", @"fl32", \
 210         _NS("Uncompressed audio samples (useable with WAV)"), @"MUX_WAV", \
 211         @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
 212     o_dummyAud = [NSArray arrayWithObjects: @"Dummy", @"dummy", \
 213         _NS("Dummy codec (do not transcode, useable with all encapsulation " \
 214         "formats)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_MP4", \
 215         @"MUX_OGG", @"MUX_RAW", @"MUX_MOV", @"MUX_WAV", nil];
 216     o_audioCodecs = [[NSArray alloc] initWithObjects: o_mpga, o_mp3, o_mp4a, \
 217         o_a52, o_vorb, o_flac, o_spx, o_s16l, o_fl32, o_dummyAud, nil];
 218
 219
 220     /* fill another global array with all information about the encap-formats
 221      * note that the order of the formats inside the g. array is the same as on
 222      * the encap-tab */
 223     NSArray * o_ps;
 224     NSArray * o_ts;
 225     NSArray * o_mpeg;
 226     NSArray * o_ogg;
 227     NSArray * o_raw;
 228     NSArray * o_asf;
 229     NSArray * o_avi;
 230     NSArray * o_mp4;
 231     NSArray * o_mov;
 232     NSArray * o_wav;
 233     NSArray * o_asfh;
 234     o_ps = [NSArray arrayWithObjects: @"ps", @"MPEG PS", \
 235         _NS("MPEG Program Stream"), @"mpg", nil];
 236     o_ts = [NSArray arrayWithObjects: @"ts", @"MPEG TS", \
 237         _NS("MPEG Transport Stream"), nil];
 238     o_mpeg = [NSArray arrayWithObjects: @"ps", @"MPEG 1", \
 239         _NS("MPEG 1 Format"), @"mpg", nil];
 240     o_ogg = [NSArray arrayWithObjects: @"ogg", @"OGG", @"OGG", nil];
 241     o_raw = [NSArray arrayWithObjects: @"raw", @"RAW", @"RAW", nil];
 242     o_asf = [NSArray arrayWithObjects: @"asf", @"ASF", @"ASF", nil];
 243     o_avi = [NSArray arrayWithObjects: @"avi", @"AVI", @"AVI", nil];
 244     o_mp4 = [NSArray arrayWithObjects: @"mp4", @"MP4", @"MPEG4", nil];
 245     o_mov = [NSArray arrayWithObjects: @"mov", @"MOV", @"MOV", nil];
 246     o_wav = [NSArray arrayWithObjects: @"wav", @"WAV", @"WAV", nil];
 247     o_asfh = [NSArray arrayWithObjects: @"asfh", @"ASFH", @"ASFH", nil];
 248     o_encapFormats = [[NSArray alloc] initWithObjects: o_ps, o_ts, o_mpeg, \
 249         o_ogg, o_raw, o_asf, o_avi, o_mp4, o_mov, o_wav, o_asfh, nil];
 250
 251     /* yet another array on streaming methods including help texts */
 252     NSArray * o_http;
 253     NSArray * o_mms;
 254     NSArray * o_udp_uni;
 255     NSArray * o_udp_multi;
 256     NSArray * o_rtp_uni;
 257     NSArray * o_rtp_multi;
 258     o_http = [NSArray arrayWithObjects: @"http", @"HTTP", _NS("Enter the local " \
 259         "addresses you want to listen requests on. Do not enter anything if " \
 260         "you want to listen on all the network interfaces. This is generally " \
 261         "the best thing to do. Other computers can then access the stream at " \
 262         "http://yourip:8080 by default.") , _NS("Use this to stream to several " \
 263         "computers. This method is not the most efficient, as the server needs "\
 264         "to send the stream several times, but generally the most compatible"), nil];
 265     o_mms = [NSArray arrayWithObjects: @"mmsh", @"MMS", _NS("Enter the local " \
 266         "addresses you want to listen requests on. Do not enter anything if " \
 267         "you want to listen on all the network interfaces. This is generally " \
 268         "the best thing to do. Other computers can then access the stream at " \
 269         "mms://yourip:8080 by default."), _NS("Use this to stream to several " \
 270         "computers using the Microsoft MMS protocol. This protocol is used as " \
 271         "transport method by many Microsoft's softwares. Note that only a " \
 272         "small part of the MMS protocol is supported (MMS encapsulated in " \
 273         "HTTP)." ), nil];
 274     o_udp_uni = [NSArray arrayWithObjects: @"udp", @"UDP-Unicast", _NS("Enter " \
 275         "the address of the computer to stream to."), _NS("Use this to stream " \
 276         "to a single computer."), nil];
 277     o_udp_multi = [NSArray arrayWithObjects: @"udp", @"UDP-Multicast", _NS("Enter " \
 278         "the multicast address to stream to in this field. This must be an IP " \
 279         "address between 224.0.0.0 and 239.255.255.255. For a private use, " \
 280         "enter an address beginning with 239.255."), _NS("Use this to stream " \
 281         "to a dynamic group of computers on a multicast-enabled network. This " \
 282         "is the most efficient method to stream to several computers, but it " \
 283         "won't work over the Internet."), nil];
 284     o_rtp_uni = [NSArray arrayWithObjects: @"rtp", @"RTP-Unicast", _NS("Enter the " \
 285         "address of the computer to stream to.") , _NS("Use this to stream " \
 286         "to a single computer. RTP headers will be added to the stream"), nil];
 287     o_rtp_multi = [NSArray arrayWithObjects: @"rtp", @"RTP-Multicast", _NS("Enter " \
 288         "the multicast address to stream to in this field. This must be an IP " \
 289         "address between 224.0.0.0 and 239.255.255.255. For a private use, " \
 290         "enter an address beginning with 239.255."), _NS("Use this to stream " \
 291         "to a dynamic group of computers on a multicast-enabled network. This " \
 292         "is the most efficient method to stream to several computers, but it " \
 293         "won't work over Internet. RTP headers will be added to the stream"), nil];
 294     o_strmgMthds = [[NSArray alloc] initWithObjects: o_http, o_mms, \
 295         o_udp_uni, o_udp_multi, o_rtp_uni, o_rtp_multi, nil];
 296 }
 297
 298 - (void)showWizard
 299 {
 300     /* just present the window to the user */
 301     [o_wizard_window center];
 302     [o_wizard_window displayIfNeeded];
 303     [o_wizard_window makeKeyAndOrderFront:nil];
 304 }
 305
 306 - (void)resetWizard
 307 {
 308     /* get the current state of our setting to keep the selections or not */
 309     keepSettingsOrNot = (BOOL *)config_GetInt( VLCIntf, "macosx-wizard-keep" );
 310
 311     /* go to the front page and clean up a bit */
 312     [o_userSelections removeAllObjects];
 313     [o_btn_forward setTitle: _NS("Next")];
 314     [o_tab_pageHolder selectFirstTabViewItem:self];
 315
 316
 317     if( keepSettingsOrNot )
 318         return;
 319
 320     /* reset the wizard-window to its default values if wanted */
 321     [o_t1_matrix_strmgOrTrnscd selectCellAtRow:0 column:0];
 322     [[o_t1_matrix_strmgOrTrnscd cellAtRow:1 column:0] setState: NSOffState];
 323
 324     /* "Input" */
 325     [o_t2_fld_pathToNewStrm setStringValue: @""];
 326     [o_t2_ckb_enblPartExtrct setState: NSOffState];
 327     [self t2_enableExtract:nil];
 328     [o_t2_matrix_inputSourceType selectCellAtRow:0 column:0];
 329     [[o_t2_matrix_inputSourceType cellAtRow:1 column:0] setState: NSOffState];
 330     [o_t2_fld_pathToNewStrm setEnabled:YES];
 331     [o_t2_btn_chooseFile setEnabled:YES];
 332     [o_t2_tbl_plst setEnabled:NO];
 333
 334     /* "Streaming 1" */
 335     [o_t3_fld_address setStringValue: @""];
 336     [o_t3_matrix_stmgMhd selectCellAtRow:0 column:0];
 337     [[o_t3_matrix_stmgMhd cellAtRow:0 column:1] setState: NSOffState];
 338     [[o_t3_matrix_stmgMhd cellAtRow:1 column:1] setState: NSOffState];
 339     [[o_t3_matrix_stmgMhd cellAtRow:1 column:2] setState: NSOffState];
 340
 341     /* "Transcode 1" */
 342     [o_t4_ckb_audio setState: NSOffState];
 343     [o_t4_ckb_video setState: NSOffState];
 344     [self t4_enblVidTrnscd:nil];
 345     [self t4_enblAudTrnscd:nil];
 346
 347     /* "Streaming 2" */
 348     [o_t6_fld_ttl setStringValue: @"1"];
 349     [o_t6_ckb_sap setState: NSOffState];
 350     [self t6_enblSapAnnce:nil];
 351
 352     /* "Transcode 2" */
 353     [o_t7_fld_filePath setStringValue: @""];
 354 }
 355
 356 - (void)initStrings
 357 {
 358     /* localise all strings to the users lang */
 359     /* method is called from intf.m (in method showWizard) */
 360
 361     /* general items */
 362     [o_btn_backward setTitle: _NS("Back")];
 363     [o_btn_cancel setTitle: _NS("Cancel")];
 364     [o_btn_forward setTitle: _NS("Next")];
 365     [o_wizard_window setTitle: _NS("Streaming/Transcoding Wizard")];
 366
 367     /* page one ("Hello") */
 368     [o_t1_txt_title setStringValue: _NS("Streaming/Transcoding Wizard")];
 369     [o_t1_txt_text setStringValue: _NS("This wizard allows to configure " \
 370         "simple streaming or transcoding setups.")];
 371     [o_t1_btn_mrInfo_strmg setTitle: _NS("More Info")];
 372     [o_t1_btn_mrInfo_trnscd setTitle: _NS("More Info")];
 373     [o_t1_txt_notice setStringValue: _NS("This wizard only gives access to " \
 374         "a small subset of VLC's streaming and transcoding capabilities. " \
 375         "The Open and 'Saving/Streaming' dialogs will give access to more " \
 376         "features.")];
 377     [[o_t1_matrix_strmgOrTrnscd cellAtRow:0 column:0] setTitle: _NS("Stream " \
 378         "to network")];
 379     [[o_t1_matrix_strmgOrTrnscd cellAtRow:1 column:0] setTitle: _NS("" \
 380         "Transcode/Save to file")];
 381
 382     /* page two ("Input") */
 383     [o_t2_title setStringValue: _NS("Choose input")];
 384     [o_t2_text setStringValue: _NS("Choose here your input stream.")];
 385     [[o_t2_matrix_inputSourceType cellAtRow:0 column:0] setTitle:  \
 386         _NS("Select a stream")];
 387     [[o_t2_matrix_inputSourceType cellAtRow:1 column:0] setTitle: \
 388         _NS("Existing playlist item")];
 389     [o_t2_btn_chooseFile setTitle: _NS("Choose...")];
 390     [[[o_t2_tbl_plst tableColumnWithIdentifier:@"1"] headerCell] \
 391         setStringValue: _NS("Title")];
 392     [[[o_t2_tbl_plst tableColumnWithIdentifier:@"2"] headerCell] \
 393         setStringValue: _NS("Author")];
 394     [o_t2_box_prtExtrct setTitle: _NS("Partial Extract")];
 395     [o_t2_ckb_enblPartExtrct setTitle: _NS("Enable")];
 396     [o_t2_ckb_enblPartExtrct setToolTip: _NS("This can be used to read only a "\
 397         "part of the stream. It must be possible to control the incoming "\
 398         "stream (for example, a file or a disc, but not an UDP network stream.) " \
 399         "The starting and ending times can be given in seconds.")];
 400     [o_t2_txt_prtExtrctFrom setStringValue: _NS("From")];
 401     [o_t2_txt_prtExtrctTo setStringValue: _NS("To")];
 402
 403     /* page three ("Streaming 1") */
 404     [o_t3_txt_title setStringValue: _NS("Streaming")];
 405     [o_t3_txt_text setStringValue: _NS("This page allows to select how " \
 406         "the input stream will be sent.")];
 407     [o_t3_box_dest setTitle: _NS("Destination")];
 408     [o_t3_box_strmgMthd setTitle: _NS("Streaming method")];
 409     [o_t3_txt_destInfo setStringValue: _NS("Address of the computer " \
 410         "to stream to.")];
 411     [[o_t3_matrix_stmgMhd cellAtRow:0 column:0] setTitle: _NS("UDP Unicast")];
 412     [[o_t3_matrix_stmgMhd cellAtRow:0 column:1] setTitle: _NS("UDP Multicast")];
 413     [o_t3_txt_strgMthdInfo setStringValue: _NS("Use this to stream to a single " \
 414         "computer.")];
 415
 416     /* page four ("Transcode 1") */
 417     [o_t4_title setStringValue: _NS("Transcode")];
 418     [o_t4_text setStringValue: _NS("This page allows to change the compression " \
 419         "format of the audio or video tracks. To change only " \
 420         "the container format, proceed to next page.")];
 421     [o_t4_box_audio setTitle: _NS("Audio")];
 422     [o_t4_box_video setTitle: _NS("Video")];
 423     [o_t4_ckb_audio setTitle: _NS("Transcode audio")];
 424     [o_t4_ckb_video setTitle: _NS("Transcode video")];
 425     [o_t4_txt_videoBitrate setStringValue: _NS("Bitrate (kb/s)")];
 426     [o_t4_txt_videoCodec setStringValue: _NS("Codec")];
 427     [o_t4_txt_hintAudio setStringValue: _NS("Enabling this allows to transcode "\
 428     "the audio track if one is present in the stream.")];
 429     [o_t4_txt_hintVideo setStringValue: _NS("Enabling this allows to transcode "\
 430     "the video track if one is present in the stream.")];
 431
 432     /* page five ("Encap") */
 433     [o_t5_title setStringValue: _NS("Encapsulation format")];
 434     [o_t5_text setStringValue: _NS("This page allows to select how the " \
 435         "stream will be encapsulated. Depending on previously chosen settings "
 436         "all formats won't be available.")];
 437
 438     /* page six ("Streaming 2") */
 439     [o_t6_title setStringValue: _NS("Additional streaming options")];
 440     [o_t6_text setStringValue: _NS("In this page, a few " \
 441                               "additional streaming parameters can be set.")];
 442     [o_t6_txt_ttl setStringValue: _NS("Time-To-Live (TTL)")];
 443     [o_t6_btn_mrInfo_ttl setTitle: _NS("More Info")];
 444     [o_t6_ckb_sap setTitle: _NS("SAP Announce")];
 445     [o_t6_btn_mrInfo_sap setTitle: _NS("More Info")];
 446     [o_t6_ckb_local setTitle: _NS("Local playback")];
 447     [o_t6_btn_mrInfo_local setTitle: _NS("More Info")];
 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_btn_mrInfo_local setTitle: _NS("More Info")];
 457
 458     /* page eight ("Summary") */
 459     [o_t8_txt_text setStringValue: _NS("This page lists all the settings." \
 460         "Click \"Finish\" to start streaming or transcoding.")];
 461     [o_t8_txt_title setStringValue: _NS("Summary")];
 462     [o_t8_txt_destination setStringValue: [_NS("Destination") \
 463         stringByAppendingString: @":"]];
 464     [o_t8_txt_encapFormat setStringValue: [_NS("Encap. format") \
 465         stringByAppendingString: @":"]];
 466     [o_t8_txt_inputStream setStringValue: [_NS("Input stream") \
 467         stringByAppendingString: @":"]];
 468     [o_t8_txt_partExtract setStringValue: [_NS("Partial Extract") \
 469         stringByAppendingString: @":"]];
 470     [o_t8_txt_sap setStringValue: [_NS("SAP Announce") \
 471         stringByAppendingString: @":"]];
 472     [o_t8_txt_saveFileTo setStringValue: [_NS("Save file to") \
 473         stringByAppendingString: @":"]];
 474     [o_t8_txt_strmgMthd setStringValue: [_NS("Streaming method") \
 475         stringByAppendingString: @":"]];
 476     [o_t8_txt_trnscdAudio setStringValue: [_NS("Transcode audio") \
 477         stringByAppendingString: @":"]];
 478     [o_t8_txt_trnscdVideo setStringValue: [_NS("Transcode video") \
 479         stringByAppendingString: @":"]];
 480     [o_t8_txt_local setStringValue: [_NS("Local playback") \
 481         stringByAppendingString: @":"]];
 482 }
 483
 484 - (void)initWithExtractValuesFrom: (NSString *)from to: (NSString *)to \
 485     ofItem: (NSString *)item
 486 {
 487     [self resetWizard];
 488     msg_Dbg(VLCIntf, "wizard was reseted");
 489     [o_userSelections setObject:@"trnscd" forKey:@"trnscdOrStrmg"];
 490     [o_btn_backward setEnabled:YES];
 491     [o_tab_pageHolder selectTabViewItemAtIndex:1];
 492     [o_t2_fld_prtExtrctFrom setStringValue: from];
 493     [o_t2_fld_prtExtrctTo setStringValue: to];
 494     [o_t2_fld_pathToNewStrm setStringValue: item];
 495     [o_t1_matrix_strmgOrTrnscd selectCellAtRow:1 column:0];
 496     [[o_t1_matrix_strmgOrTrnscd cellAtRow:0 column:0] setState: NSOffState];
 497     [o_t2_ckb_enblPartExtrct setState: NSOnState];
 498     [self t2_enableExtract: nil];
 499     msg_Dbg(VLCIntf, "wizard interface is set");
 500
 501     [o_wizard_window center];
 502     [o_wizard_window display];
 503     [o_wizard_window makeKeyAndOrderFront:nil];
 504     msg_Dbg(VLCIntf, "wizard window displayed");
 505 }
 506
 507 - (IBAction)cancelRun:(id)sender
 508 {
 509     [o_wizard_window close];
 510 }
 511
 512 - (id)getPlaylistWizard
 513 {
 514     return o_playlist_wizard;
 515 }
 516
 517 - (IBAction)nextTab:(id)sender
 518 {
 519     if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Hello"])
 520     {
 521         /* check whether the user wants to stream or just to transcode;
 522          * store information for later usage */
 523         NSString *o_mode;
 524         o_mode = [[o_t1_matrix_strmgOrTrnscd selectedCell] title];
 525         if( [o_mode isEqualToString: _NS("Stream to network")] )
 526         {
 527             /* we will be streaming */
 528             [o_userSelections setObject:@"strmg" forKey:@"trnscdOrStrmg"];
 529         }
 530         else
 531         {
 532             /* we will just do some transcoding */
 533             [o_userSelections setObject:@"trnscd" forKey:@"trnscdOrStrmg"];
 534         }
 535         [o_btn_backward setEnabled:YES];
 536         [o_tab_pageHolder selectTabViewItemAtIndex:1];
 537
 538         /* Fill the playlist with current playlist items */
 539         [o_playlist_wizard reloadOutlineView];
 540
 541     }
 542     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Input"])
 543     {
 544         /* check whether partialExtract is enabled and store the values, if needed */
 545         if ([o_t2_ckb_enblPartExtrct state] == NSOnState)
 546         {
 547             [o_userSelections setObject:@"YES" forKey:@"partExtract"];
 548             [o_userSelections setObject:[o_t2_fld_prtExtrctFrom stringValue] \
 549                 forKey:@"partExtractFrom"];
 550             [o_userSelections setObject:[o_t2_fld_prtExtrctTo stringValue] \
 551                 forKey:@"partExtractTo"];
 552         }else{
 553             [o_userSelections setObject:@"NO" forKey:@"partExtract"];
 554         }
 555
 556         /* check whether we use an existing pl-item or add an new one;
 557          * store the path or the index and set a flag.
 558          * complain to the user if s/he didn't provide a path */
 559         NSString *o_mode;
 560         BOOL stop;
 561         stop = NO;
 562         o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
 563         if( [o_mode isEqualToString: _NS("Select a stream")] )
 564         {
 565             [o_userSelections setObject:@"YES" forKey:@"newStrm"];
 566             if ([[o_t2_fld_pathToNewStrm stringValue] isEqualToString: @""])
 567             {
 568                 /* set a flag that no file is selected */
 569                 stop = YES;
 570             }
 571             else
 572             {
 573                 [o_userSelections setObject:[NSArray arrayWithObject:
 574                     [o_t2_fld_pathToNewStrm stringValue]] forKey:@"pathToStrm"];
 575             }
 576         }
 577         else
 578         {
 579             if ([o_t2_tbl_plst numberOfSelectedRows] > 0)
 580             {
 581                 int x = 0;
 582                 int y = [[o_t2_tbl_plst selectedRowIndexes] count];
 583                 NSMutableArray * tempArray = [[NSMutableArray alloc] init];
 584                 while( x != y )
 585                 {
 586                     playlist_item_t *p_item =
 587                         [[o_t2_tbl_plst itemAtRow:
 588                             [[o_t2_tbl_plst selectedRowIndexes]
 589                             indexGreaterThanOrEqualToIndex: x]] pointerValue];
 590
 591                     if( p_item->i_children <= 0 )
 592                     {
 593                         [tempArray addObject: [NSString stringWithUTF8String:
 594                         p_item->input.psz_uri]];
 595                         stop = NO;
 596                     }
 597                     else
 598                         stop = YES;
 599                     x += 1;
 600                 }
 601                 [o_userSelections setObject:[NSArray arrayWithArray: tempArray]
 602                     forKey:@"pathToStrm"];
 603                 [tempArray release];
 604             }
 605             else
 606             {
 607                 /* set a flag that no item is selected */
 608                 stop = YES;
 609             }
 610         }
 611
 612         /* show either "Streaming 1" or "Transcode 1" to the user */
 613         if (stop == NO)
 614         {
 615             if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] \
 616                 isEqualToString:@"strmg"])
 617             {
 618                 /* we are streaming */
 619                 [o_tab_pageHolder selectTabViewItemAtIndex:2];
 620             }else{
 621                 /* we are just transcoding */
 622
 623                 /* rebuild the menues for the codec-selections */
 624                 [self rebuildCodecMenus];
 625
 626                 [o_tab_pageHolder selectTabViewItemAtIndex:3];
 627             }
 628         } else {
 629             /* show a sheet that the user didn't select a file */
 630             NSBeginInformationalAlertSheet(_NS("No input selected"), \
 631                 _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
 632                 _NS("No new stream or valid playlist item has been selected.\n\n" \
 633                 "Choose one before going to the next page."));
 634         }
 635     }
 636     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
 637         @"Streaming 1"])
 638     {
 639         /* rebuild the menues for the codec-selections */
 640         [self rebuildCodecMenus];
 641
 642         /* check which streaming method is selected and store it */
 643         int mode;
 644         mode = [[o_t3_matrix_stmgMhd selectedCell] tag];
 645         if( mode == 0 )
 646         {
 647             /* HTTP Streaming */
 648             [o_userSelections setObject:@"0" forKey:@"stmgMhd"];
 649
 650             /* disable all codecs which don't support MPEG PS, MPEG TS, MPEG 1,
 651              * OGG, RAW or ASF */
 652             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 653             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
 654
 655         } else if ( mode == 1 )
 656         {
 657             /* MMS Streaming */
 658             [o_userSelections setObject:@"1" forKey:@"stmgMhd"];
 659
 660             /* disable all codecs which don't support ASF / ASFH */
 661             [o_t4_pop_audioCodec removeItemWithTitle:@"MPEG 4 Audio"];
 662             [o_t4_pop_audioCodec removeItemWithTitle:@"Vorbis"];
 663             [o_t4_pop_audioCodec removeItemWithTitle:@"FLAC"];
 664             [o_t4_pop_audioCodec removeItemWithTitle:@"Speex"];
 665             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 666             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
 667
 668             [o_t4_pop_videoCodec removeItemWithTitle:@"MPEG-1 Video"];
 669             [o_t4_pop_videoCodec removeItemWithTitle:@"MPEG-2 Video"];
 670             [o_t4_pop_videoCodec removeItemWithTitle:@"H.263"];
 671             [o_t4_pop_videoCodec removeItemWithTitle:@"H.264"];
 672             [o_t4_pop_videoCodec removeItemWithTitle:@"MJPEG"];
 673             [o_t4_pop_videoCodec removeItemWithTitle:@"Theora"];
 674         } else {
 675             /* RTP/UDP Unicast/Multicast Streaming */
 676             [o_userSelections setObject: [[NSNumber numberWithInt: mode] \
 677                 stringValue] forKey:@"stmgMhd"];
 678
 679             /* disable all codecs which don't support MPEG-TS */
 680             [o_t4_pop_audioCodec removeItemWithTitle:@"Vorbis"];
 681             [o_t4_pop_audioCodec removeItemWithTitle:@"FLAC"];
 682             [o_t4_pop_audioCodec removeItemWithTitle:@"Speex"];
 683             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 684             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
 685         }
 686
 687         /* store the destination and check whether is it empty */
 688         if([[o_userSelections objectForKey:@"stmgMhd"] intValue] >=2 )
 689         {
 690            /* empty field is valid for HTTP and MMS */
 691             if( [[o_t3_fld_address stringValue] isEqualToString: @""] )
 692             {
 693                 /* complain to the user that "" is no valid dest. */
 694                 NSBeginInformationalAlertSheet(_NS("No valid destination"), \
 695                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
 696                     _NS("A valid destination has to be selected "\
 697                     "Enter either a Unicast-IP or a Multicast-IP." \
 698                     "\n\nIf you don't know what this means, have a look at " \
 699                     "the VLC Streaming HOWTO and the help texts in this " \
 700                     "window."));
 701             } else {
 702                 /* FIXME: check whether the entered IP is really valid */
 703                 [o_userSelections setObject:[o_t3_fld_address stringValue] \
 704                     forKey:@"stmgDest"];
 705                 /* let's go to the transcode-1-tab */
 706                 [o_tab_pageHolder selectTabViewItemAtIndex:3];
 707             }
 708         } else {
 709             [o_userSelections setObject:[o_t3_fld_address stringValue] \
 710                 forKey:@"stmgDest"];
 711             /* let's go to the transcode-1-tab */
 712             [o_tab_pageHolder selectTabViewItemAtIndex:3];
 713         }
 714     }
 715     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
 716         @"Transcode 1"])
 717     {
 718         /* check whether the user wants to transcode the video-track and store
 719          * the related options */
 720         if ([o_t4_ckb_video state] == NSOnState)
 721         {
 722             NSNumber * theNum;
 723             theNum = [NSNumber numberWithInt:[o_t4_pop_videoCodec indexOfSelectedItem]];
 724             [o_userSelections setObject:@"YES" forKey:@"trnscdVideo"];
 725             [o_userSelections setObject:[o_t4_pop_videoBitrate titleOfSelectedItem] \
 726                 forKey:@"trnscdVideoBitrate"];
 727             [o_userSelections setObject:theNum forKey:@"trnscdVideoCodec"];
 728         } else {
 729             [o_userSelections setObject:@"NO" forKey:@"trnscdVideo"];
 730         }
 731
 732         /* check whether the user wants to transcode the audio-track and store
 733          * the related options */
 734         if ([o_t4_ckb_audio state] == NSOnState)
 735         {
 736             NSNumber * theNum;
 737             theNum = [NSNumber numberWithInt:[o_t4_pop_audioCodec indexOfSelectedItem]];
 738             [o_userSelections setObject:@"YES" forKey:@"trnscdAudio"];
 739             [o_userSelections setObject:[o_t4_pop_audioBitrate titleOfSelectedItem] \
 740                 forKey:@"trnscdAudioBitrate"];
 741             [o_userSelections setObject:theNum forKey:@"trnscdAudioCodec"];
 742         } else {
 743             [o_userSelections setObject:@"NO" forKey:@"trnscdAudio"];
 744         }
 745
 746         /* disable all encap-formats */
 747         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
 748         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:NO];
 749         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
 750         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
 751         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
 752         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
 753         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
 754         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
 755         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
 756         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
 757         [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
 758
 759         /* re-enable the encap-formats supported by the chosen codecs */
 760         /* FIXME: the following is a really bad coding-style. feel free to mail
 761             me ideas how to make this nicer, if you want to -- FK, 7/11/05 */
 762
 763         if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualTo: @"YES"])
 764         {
 765             if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
 766             {
 767                 /* we are transcoding both audio and video, so we need to check both deps */
 768                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 769                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
 770                 {
 771                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections \
 772                         objectForKey:@"trnscdAudioCodec"] intValue]] \
 773                         containsObject: @"MUX_PS"])
 774                     {
 775                         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 776                         [o_t5_matrix_encap selectCellAtRow:0 column:0];
 777                     }
 778                 }
 779                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections \
 780                     objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
 781                 {
 782                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 783                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
 784                     {
 785                         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 786                         [o_t5_matrix_encap selectCellAtRow:1 column:0];
 787                     }
 788                 }
 789                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 790                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
 791                 {
 792                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 793                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
 794                     {
 795                         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 796                         [o_t5_matrix_encap selectCellAtRow:2 column:0];
 797                     }
 798                 }
 799                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 800                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
 801                 {
 802                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections \
 803                         objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
 804                     {
 805                         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 806                         [o_t5_matrix_encap selectCellAtRow:3 column:0];
 807                     }
 808                 }
 809                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 810                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
 811                 {
 812                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 813                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
 814                     {
 815                         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 816                         [o_t5_matrix_encap selectCellAtRow:4 column:0];
 817                     }
 818                 }
 819                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 820                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
 821                 {
 822                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 823                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
 824                     {
 825                         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 826                         [o_t5_matrix_encap selectCellAtRow:5 column:0];
 827                     }
 828                 }
 829                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 830                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
 831                 {
 832                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 833                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
 834                     {
 835                         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 836                         [o_t5_matrix_encap selectCellAtRow:6 column:0];
 837                     }
 838                 }
 839                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 840                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
 841                 {
 842                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 843                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
 844                     {
 845                         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 846                         [o_t5_matrix_encap selectCellAtRow:7 column:0];
 847                     }
 848                 }
 849                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 850                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
 851                 {
 852                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 853                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
 854                     {
 855                         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 856                         [o_t5_matrix_encap selectCellAtRow:8 column:0];
 857                     }
 858                 }
 859                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 860                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
 861                 {
 862                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 863                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
 864                     {
 865                         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 866                         [o_t5_matrix_encap selectCellAtRow:9 column:0];
 867                     }
 868                 }
 869
 870             } else {
 871
 872                 /* we just transcoding the audio */
 873
 874                 /* select formats supported by the audio codec */
 875                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 876                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_PS"])
 877                 {
 878                     [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 879                     [o_t5_matrix_encap selectCellAtRow:0 column:0];
 880                 }
 881                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 882                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
 883                 {
 884                     [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 885                     [o_t5_matrix_encap selectCellAtRow:1 column:0];
 886                 }
 887                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 888                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
 889                 {
 890                     [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 891                     [o_t5_matrix_encap selectCellAtRow:2 column:0];
 892                 }
 893                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 894                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
 895                 {
 896                     [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 897                     [o_t5_matrix_encap selectCellAtRow:3 column:0];
 898                 }
 899                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 900                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
 901                 {
 902                     [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 903                     [o_t5_matrix_encap selectCellAtRow:4 column:0];
 904                 }
 905                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 906                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
 907                 {
 908                     [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 909                     [o_t5_matrix_encap selectCellAtRow:5 column:0];
 910                 }
 911                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 912                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
 913                 {
 914                     [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 915                     [o_t5_matrix_encap selectCellAtRow:6 column:0];
 916                 }
 917                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 918                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
 919                 {
 920                     [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 921                     [o_t5_matrix_encap selectCellAtRow:7 column:0];
 922                 }
 923                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 924                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
 925                 {
 926                     [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 927                     [o_t5_matrix_encap selectCellAtRow:8 column:0];
 928                 }
 929                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 930                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
 931                 {
 932                     [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 933                     [o_t5_matrix_encap selectCellAtRow:9 column:0];
 934                 }
 935             }
 936         }
 937         else if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
 938         {
 939             /* we are just transcoding the video */
 940
 941             /* select formats supported by the video-codec */
 942
 943             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 944                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
 945             {
 946                 [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 947                 [o_t5_matrix_encap selectCellAtRow:0 column:0];
 948             }
 949             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 950                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
 951             {
 952                 [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 953                 [o_t5_matrix_encap selectCellAtRow:1 column:0];
 954             }
 955             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 956                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
 957             {
 958                 [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 959                 [o_t5_matrix_encap selectCellAtRow:2 column:0];
 960             }
 961             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 962                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
 963             {
 964                 [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 965                 [o_t5_matrix_encap selectCellAtRow:3 column:0];
 966             }
 967             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 968                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
 969             {
 970                 [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 971                 [o_t5_matrix_encap selectCellAtRow:4 column:0];
 972             }
 973             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 974                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
 975             {
 976                 [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 977                 [o_t5_matrix_encap selectCellAtRow:5 column:0];
 978             }
 979             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 980                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
 981             {
 982                 [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 983                 [o_t5_matrix_encap selectCellAtRow:6 column:0];
 984             }
 985             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 986                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
 987             {
 988                 [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 989                 [o_t5_matrix_encap selectCellAtRow:7 column:0];
 990             }
 991             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 992                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
 993             {
 994                 [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 995                 [o_t5_matrix_encap selectCellAtRow:8 column:0];
 996             }
 997             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 998                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
 999             {
1000                 [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
1001                 [o_t5_matrix_encap selectCellAtRow:9 column:0];
1002             }
1003         } else {
1004             /* we don't do any transcoding
1005              * -> enabled the encap-formats allowed when streaming content via
1006              * http plus MP4 since this should work fine in most cases */
1007
1008             /* FIXME: choose a selection of encap-formats based upon the
1009              * actually used codecs */
1010
1011             /* enable MPEG PS, MPEG TS, MPEG 1, OGG, RAW, ASF, MP4 and MOV
1012              * select MPEG PS */
1013             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
1014             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
1015             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
1016             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
1017             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
1018             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
1019             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1020             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
1021             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
1022             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1023             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1024             [o_t5_matrix_encap selectCellAtRow:0 column:0];
1025         }
1026
1027         if ( [o_userSelections objectForKey:@"stmgMhd"] == @"1" )
1028         {
1029             /* if MMS is the streaming protocol, only ASFH is available */
1030             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
1031             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:NO];
1032             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
1033             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
1034             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
1035             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
1036             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1037             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1038             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1039             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1040             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:YES];
1041             [o_t5_matrix_encap selectCellAtRow:10 column:0];
1042         }
1043         else if ( [o_userSelections objectForKey:@"stmgMhd"] == @"0" )
1044         {
1045             /* if HTTP is the streaming protocol, disable all unsupported
1046              * encap-formats, but don't touch the other ones selected above */
1047             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1048             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1049             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1050             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1051             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1052         }
1053         else if ( [[o_userSelections objectForKey:@"stmgMhd"] intValue] >= 2 )
1054         {
1055             /* if UDP/RTP is the streaming protocol, only MPEG-TS is available */
1056             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
1057             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
1058             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
1059             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
1060             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
1061             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1062             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1063             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1064             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1065             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1066             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
1067             [o_t5_matrix_encap selectCellAtRow:1 column:0];
1068         }
1069         int x;
1070         BOOL anythingEnabled;
1071         x = 0;
1072         anythingEnabled = NO;
1073         while (x != [o_t5_matrix_encap numberOfRows])
1074         {
1075             if ([[o_t5_matrix_encap cellAtRow:x column:0] isEnabled])
1076             {
1077                 anythingEnabled = YES;
1078             }
1079             x += 1;
1080         }
1081         if (anythingEnabled == YES)
1082         {
1083             /* go the encap-tab */
1084             [o_tab_pageHolder selectTabViewItemAtIndex:4];
1085         } else {
1086             /* show a sheet that the selected codecs are not compatible */
1087             NSBeginInformationalAlertSheet(_NS("Invalid selection"), _NS("OK"), \
1088                 @"", @"", o_wizard_window, nil, nil, nil, nil, _NS("The " \
1089                 "chosen codecs are not compatible with each other. For example: " \
1090                 "It is impossibleto  mix uncompressed audio with any video codec.\n\n" \
1091                 "Correct your selection and try again."));
1092         }
1093
1094     }
1095     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Encap"])
1096     {
1097         /* get the chosen encap format and store it */
1098         NSNumber * theNum;
1099         theNum = [NSNumber numberWithInt:[[o_t5_matrix_encap selectedCell] tag]];
1100         [o_userSelections setObject:[theNum stringValue] forKey:@"encapFormat"];
1101
1102         /* show either "Streaming 2" or "Transcode 2" to the user */
1103         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1104         {
1105             /* we are streaming */
1106             [o_tab_pageHolder selectTabViewItemAtIndex:5];
1107         }else{
1108             /* we are just transcoding */
1109             [o_tab_pageHolder selectTabViewItemAtIndex:6];
1110             /* in case that we are processing multiple items, let the user
1111              * select a folder instead of a localtion for a single item */
1112             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1113             {
1114                 [o_t7_txt_saveFileTo setStringValue:
1115                     _NS("Select the directory to save to")];
1116             }
1117             else
1118             {
1119                 [o_t7_txt_saveFileTo setStringValue:
1120                     _NS("Select the file to save to")];
1121             }
1122         }
1123     }
1124     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1125         @"Streaming 2"])
1126     {
1127         /* store the chosen TTL */
1128         [o_userSelections setObject:[o_t6_fld_ttl stringValue] forKey:@"ttl"];
1129
1130         /* check whether SAP is enabled and store the announce, if needed */
1131         if ([o_t6_ckb_sap state] == NSOnState)
1132         {
1133             [o_userSelections setObject:@"YES" forKey:@"sap"];
1134             [o_userSelections setObject:[o_t6_fld_sap stringValue] forKey:@"sapText"];
1135         } else {
1136             [o_userSelections setObject:@"NO" forKey:@"sap"];
1137         }
1138
1139         /* local playback? */
1140         if ([o_t6_ckb_local state] == NSOnState)
1141         {
1142             [o_userSelections setObject:@"YES" forKey:@"localPb"];
1143         } else {
1144             [o_userSelections setObject:@"NO" forKey:@"localPb"];
1145         }
1146
1147         /* go to "Summary" */
1148         [self showSummary];
1149     }
1150     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1151         @"Transcode 2"])
1152     {
1153         /* local playback? */
1154         if ([o_t7_ckb_local state] == NSOnState)
1155         {
1156             [o_userSelections setObject:@"YES" forKey:@"localPb"];
1157         } else {
1158             [o_userSelections setObject:@"NO" forKey:@"localPb"];
1159         }
1160
1161         /* check whether the path != "" and store it */
1162         if( [[o_t7_fld_filePath stringValue] isEqualToString: @""] )
1163         {
1164             /* complain to the user that "" is no valid path for a folder/file */
1165             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1166                 NSBeginInformationalAlertSheet(_NS("No folder selected"), \
1167                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1168                     [NSString stringWithFormat: @"%@\n\n%@", _NS("A directory "
1169                     "where to save the files has to be selected."),
1170                     _NS("Enter either a valid path or use the \"Choose...\" " \
1171                     "button to select a location.")]);
1172             else
1173                 NSBeginInformationalAlertSheet(_NS("No file selected"), \
1174                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1175                     [NSString stringWithFormat: @"%@\n\n%@", _NS("A file " \
1176                     "where to save the stream has to be selected."),
1177                     _NS("Enter either a valid path or use the \"Choose\" " \
1178                     "button to select a location.")]);
1179         } else {
1180             /* create a string containing the requested suffix for later usage */
1181             NSString * theEncapFormat = [[o_encapFormats objectAtIndex:
1182                 [[o_userSelections objectForKey:@"encapFormat"] intValue]] \
1183                 objectAtIndex:0];
1184             if( theEncapFormat == @"ps" )
1185                 theEncapFormat = @"mpg";
1186
1187             /* look whether we need to process multiple items or not.
1188              * choose a faster variant if we just want a single item */
1189             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1190             {
1191                 NSMutableArray * tempArray = [[NSMutableArray alloc] init];
1192                 int x = 0;
1193                 int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1194                 NSMutableString * tempString = [[NSMutableString alloc] init];
1195                 while( x != y )
1196                 {
1197                     NSString * fileNameToUse;
1198                     /* check whether the extension is hidden or not.
1199                      * if not, remove it
1200                      * we need the casting to make GCC4 happy */
1201                     if( (int)[[[NSFileManager defaultManager] fileAttributesAtPath: \
1202                         [[o_userSelections objectForKey:@"pathToStrm"] \
1203                         objectAtIndex: x] traverseLink: NO] objectForKey: \
1204                         NSFileExtensionHidden] == YES )
1205                         fileNameToUse = [NSString stringWithString:
1206                             [[NSFileManager defaultManager] displayNameAtPath:
1207                             [[o_userSelections objectForKey:@"pathToStrm"]
1208                             objectAtIndex: x]]];
1209                     else
1210                     {
1211                         int z = 0;
1212                         int count = [[[[NSFileManager defaultManager] \
1213                             displayNameAtPath: \
1214                             [[o_userSelections objectForKey:@"pathToStrm"] \
1215                             objectAtIndex: x]] \
1216                             componentsSeparatedByString: @"."] count];
1217                         fileNameToUse = @"";
1218                         while( z < (count - 1) )
1219                         {
1220                             fileNameToUse = [fileNameToUse stringByAppendingString:
1221                                 [[[[NSFileManager defaultManager] \
1222                                 displayNameAtPath: \
1223                                 [[o_userSelections objectForKey:@"pathToStrm"] \
1224                                 objectAtIndex: x]] \
1225                                 componentsSeparatedByString: @"."] \
1226                                 objectAtIndex: z]];
1227                             z += 1;
1228                         }
1229                     }
1230                     tempString = [NSString stringWithFormat: @"%@%@.%@",
1231                         [o_t7_fld_filePath stringValue],
1232                         fileNameToUse, theEncapFormat];
1233                     if( [[NSFileManager defaultManager] fileExistsAtPath: \
1234                         tempString] )
1235                     {
1236                         /* we don't wanna overwrite existing files, so add an
1237                          * int to the file-name */
1238                         int additionalInt = 1;
1239                         while( additionalInt < 100 )
1240                         {
1241                             tempString = [NSString stringWithFormat:@"%@%@ %i.%@",
1242                                 [o_t7_fld_filePath stringValue],
1243                                 fileNameToUse, additionalInt, theEncapFormat];
1244                             if(! [[NSFileManager defaultManager] \
1245                                 fileExistsAtPath: tempString] )
1246                                 break;
1247                             additionalInt += 1;
1248                         }
1249                         if( additionalInt >= 100 )
1250                             msg_Err( VLCIntf, "Files with the same name are " \
1251                                 "already present in the destination directory. " \
1252                                 "Delete these files or choose a different directory." );
1253                     }
1254                     [tempArray addObject: [tempString retain]];
1255                     x += 1;
1256                 }
1257                 [o_userSelections setObject: [NSArray arrayWithArray:tempArray]
1258                     forKey: @"trnscdFilePath"];
1259                 [tempArray release];
1260                 [tempString release];
1261             }
1262             else
1263             {
1264                 /* we don't need to check for existing items because Cocoa
1265                  * does that already when we are asking the user for a location
1266                  * to save her file */
1267                 [o_userSelections setObject: [NSArray arrayWithObject: \
1268                     [o_t7_fld_filePath stringValue]] forKey: @"trnscdFilePath"];
1269             }
1270
1271             /* go to "Summary" */
1272             [self showSummary];
1273         }
1274     }
1275     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1276         @"Summary"])
1277     {
1278         intf_thread_t * p_intf = VLCIntf;
1279
1280         playlist_t * p_playlist = (playlist_t *)vlc_object_find( p_intf,
1281                             VLC_OBJECT_PLAYLIST, FIND_ANYWHERE);
1282         if( p_playlist )
1283         {
1284             int x = 0;
1285             int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1286             while( x != y )
1287             {
1288                 /* we need a temp. variable here to work-around a GCC4-bug */
1289                 NSString *tempString = [NSString stringWithFormat: \
1290                     @"%@ (%i/%i)", _NS("Streaming/Transcoding Wizard"), \
1291                     ( x + 1 ), y];
1292                 playlist_item_t *p_item = playlist_ItemNew( p_playlist, \
1293                     [[[o_userSelections objectForKey:@"pathToStrm"] \
1294                     objectAtIndex:x] UTF8String], \
1295                     [tempString UTF8String] );
1296                 playlist_ItemAddOption( p_item, [[[o_userSelections \
1297                     objectForKey:@"opts"] objectAtIndex: x] UTF8String]);
1298
1299                 if(! [[o_userSelections objectForKey:@"partExtractFrom"] \
1300                     isEqualToString:@""] )
1301                 {
1302                     playlist_ItemAddOption( p_item, [[NSString \
1303                         stringWithFormat: @"start-time=%@", [o_userSelections \
1304                         objectForKey: @"partExtractFrom"]] UTF8String] );
1305                 }
1306
1307                 if(! [[o_userSelections objectForKey:@"partExtractTo"] \
1308                     isEqualToString:@""] )
1309                 {
1310                     playlist_ItemAddOption( p_item, [[NSString \
1311                         stringWithFormat: @"stop-time=%@", [o_userSelections \
1312                         objectForKey: @"partExtractTo"]] UTF8String] );
1313                 }
1314
1315                 playlist_ItemAddOption( p_item, [[NSString stringWithFormat: \
1316                     @"ttl=%@", [o_userSelections objectForKey:@"ttl"]] \
1317                     UTF8String] );
1318
1319                 playlist_AddItem( p_playlist, p_item, PLAYLIST_STOP, PLAYLIST_END );
1320
1321                 if( x == 0 )
1322                     /* play the first item and add the others afterwards */
1323                     playlist_Control( p_playlist, PLAYLIST_ITEMPLAY, p_item );
1324
1325                 x += 1;
1326             }
1327
1328             playlist_ViewUpdate( p_playlist, VIEW_CATEGORY );
1329
1330             vlc_object_release(p_playlist);
1331         } else {
1332             msg_Err( p_intf, "unable to find playlist" );
1333         }
1334
1335         /* close the window, since we are done */
1336         [o_wizard_window close];
1337     }
1338 }
1339
1340 - (void)rebuildCodecMenus
1341 {
1342     int savePreviousSel = 0;
1343     savePreviousSel = [o_t4_pop_videoCodec indexOfSelectedItem];
1344     [o_t4_pop_videoCodec removeAllItems];
1345     unsigned int x;
1346     x = 0;
1347     while (x != [o_videoCodecs count])
1348     {
1349         [o_t4_pop_videoCodec addItemWithTitle:[[o_videoCodecs objectAtIndex:x] \
1350             objectAtIndex:0]];
1351         x += 1;
1352     }
1353     if( keepSettingsOrNot && savePreviousSel >= 0 )
1354         [o_t4_pop_videoCodec selectItemAtIndex: savePreviousSel];
1355
1356     savePreviousSel = [o_t4_pop_audioCodec indexOfSelectedItem];
1357     [o_t4_pop_audioCodec removeAllItems];
1358     x = 0;
1359     while (x != [o_audioCodecs count])
1360     {
1361         [o_t4_pop_audioCodec addItemWithTitle:[[o_audioCodecs objectAtIndex:x] \
1362             objectAtIndex:0]];
1363         x += 1;
1364     }
1365     if( keepSettingsOrNot && savePreviousSel >= 0 )
1366         [o_t4_pop_audioCodec selectItemAtIndex: savePreviousSel];
1367 }
1368
1369 - (void)showSummary
1370 {
1371     [o_btn_forward setTitle: _NS("Finish")];
1372     /* if we will transcode multiple items, just give their number; otherwise
1373      * print the URI of the single item */
1374     if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1375         [o_t8_fld_inptStream setStringValue: [NSString stringWithFormat:
1376             _NS("%i items"),
1377             [[o_userSelections objectForKey:@"pathToStrm"] count]]];
1378     else
1379         [o_t8_fld_inptStream setStringValue:
1380             [[o_userSelections objectForKey:@"pathToStrm"] objectAtIndex: 0]];
1381
1382     if ([[o_userSelections objectForKey:@"localPb"] isEqualToString: @"YES"])
1383     {
1384         [o_t8_fld_local setStringValue: _NS("yes")];
1385     } else {
1386         [o_t8_fld_local setStringValue: _NS("no")];
1387     }
1388
1389     if ([[o_userSelections objectForKey:@"partExtract"] isEqualToString: @"YES"])
1390     {
1391         [o_t8_fld_partExtract setStringValue: [NSString stringWithFormat:
1392             _NS("yes: from %@ to %@ secs"),
1393             [o_userSelections objectForKey:@"partExtractFrom"],
1394             [o_userSelections objectForKey:@"partExtractTo"]]];
1395     } else {
1396         [o_t8_fld_partExtract setStringValue: _NS("no")];
1397     }
1398
1399     if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
1400     {
1401         [o_t8_fld_trnscdVideo setStringValue: [NSString stringWithFormat:
1402             _NS("yes: %@ @ %@ kb/s"),
1403             [[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
1404             @"trnscdVideoCodec"] intValue]] objectAtIndex:0],
1405             [o_userSelections objectForKey:@"trnscdVideoBitrate"]]];
1406     }
1407     else
1408     {
1409         [o_t8_fld_trnscdVideo setStringValue: _NS("no")];
1410     }
1411     if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1412     {
1413         [o_t8_fld_trnscdAudio setStringValue: [NSString stringWithFormat:
1414             _NS("yes: %@ @ %@ kb/s"),
1415             [[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
1416                 @"trnscdAudioCodec"] intValue]] objectAtIndex:0],
1417             [o_userSelections objectForKey:@"trnscdAudioBitrate"]]];
1418     }
1419     else
1420     {
1421         [o_t8_fld_trnscdAudio setStringValue: _NS("no")];
1422     }
1423
1424
1425     if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1426     {
1427         /* we are streaming and perhaps also transcoding */
1428         [o_t8_fld_saveFileTo setStringValue: @"-"];
1429         [o_t8_fld_strmgMthd setStringValue: [[o_strmgMthds objectAtIndex: \
1430             [[o_userSelections objectForKey:@"stmgMhd"] intValue]] \
1431             objectAtIndex:1]];
1432         [o_t8_fld_destination setStringValue: [o_userSelections objectForKey: \
1433             @"stmgDest"]];
1434         [o_t8_fld_ttl setStringValue: [o_userSelections objectForKey:@"ttl"]];
1435         if ([[o_userSelections objectForKey:@"sap"] isEqualToString: @"YES"])
1436         {
1437             [o_t8_fld_sap setStringValue:
1438                 [_NS("yes") stringByAppendingFormat: @": \"%@\"",
1439                     [o_userSelections objectForKey:@"sapText"]]];
1440         }else{
1441             [o_t8_fld_sap setStringValue: _NS("no")];
1442         }
1443     } else {
1444         /* we are transcoding */
1445         [o_t8_fld_strmgMthd setStringValue: @"-"];
1446         [o_t8_fld_destination setStringValue: @"-"];
1447         [o_t8_fld_ttl setStringValue: @"-"];
1448         [o_t8_fld_sap setStringValue: @"-"];
1449         /* do only show the destination of the first item and add a counter, if needed */
1450         if( [[o_userSelections objectForKey: @"trnscdFilePath"] count] > 1 )
1451             [o_t8_fld_saveFileTo setStringValue: \
1452                 [NSString stringWithFormat: @"%@ (+%i)", \
1453                 [[o_userSelections objectForKey: @"trnscdFilePath"] objectAtIndex:0], \
1454                 ([[o_userSelections objectForKey: @"trnscdFilePath"] count] - 1)]];
1455         else
1456             [o_t8_fld_saveFileTo setStringValue: \
1457                 [[o_userSelections objectForKey: @"trnscdFilePath"] objectAtIndex:0]];
1458     }
1459     [o_t8_fld_encapFormat setStringValue: [[o_encapFormats objectAtIndex: \
1460         [[o_userSelections objectForKey:@"encapFormat"] intValue]] objectAtIndex:1]];
1461
1462     [self createOpts];
1463     [o_t8_fld_mrl setStringValue: [[o_userSelections objectForKey:@"opts"]
1464         objectAtIndex: 0]];
1465
1466     [o_tab_pageHolder selectTabViewItemAtIndex:7];
1467 }
1468
1469 - (void) createOpts
1470 {
1471     NSMutableString * o_opts_string = [NSMutableString stringWithString:@""];
1472     NSMutableString *o_trnscdCmd = [NSMutableString stringWithString:@""];
1473     NSMutableString *o_duplicateCmd = [NSMutableString stringWithString:@""];
1474     int x = 0;
1475     int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1476     NSMutableArray * tempArray = [[NSMutableArray alloc] init];
1477
1478     /* loop to create an opt-string for each item we're processing */
1479     while( x != y )
1480     {
1481         /* check whether we transcode the audio and/or the video and compose a
1482          * string reflecting the settings, if needed */
1483         if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
1484         {
1485             [o_trnscdCmd appendString: @"transcode{"];
1486             [o_trnscdCmd appendFormat: @"vcodec=%s,vb=%i", [[[o_videoCodecs \
1487                 objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] \
1488                 intValue]] objectAtIndex:1] UTF8String],  [[o_userSelections \
1489                 objectForKey:@"trnscdVideoBitrate"] intValue]];
1490             if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1491             {
1492                 [o_trnscdCmd appendString: @","];
1493             }
1494             else
1495             {
1496                 [o_trnscdCmd appendString: @"}:"];
1497             }
1498         }
1499
1500         /* check whether the user requested local playback. if yes, prepare the
1501          * string, if not, let it empty */
1502         if ([[o_userSelections objectForKey:@"localPb"] isEqualToString:@"YES"])
1503         {
1504             [o_duplicateCmd appendString: @"duplicate{dst=display,dst=\""];
1505         }
1506
1507         if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1508         {
1509             if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"NO"])
1510             {
1511                 /* in case we transcode the audio only, add this */
1512                 [o_trnscdCmd appendString: @"transcode{"];
1513             }
1514             [o_trnscdCmd appendFormat: @"acodec=%s,ab=%i}:", [[[o_audioCodecs \
1515                 objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] \
1516                 intValue]] objectAtIndex:1] UTF8String],  [[o_userSelections \
1517                 objectForKey:@"trnscdAudioBitrate"] intValue]];
1518         }
1519
1520         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"trnscd"])
1521         {
1522             /* we are just transcoding and dumping the stuff to a file */
1523             [o_opts_string appendFormat: \
1524                 @":sout=#%s%sstandard{mux=%s,dst=%s,access=file}", [o_duplicateCmd \
1525                 UTF8String], [o_trnscdCmd UTF8String], [[[o_encapFormats \
1526                 objectAtIndex: [[o_userSelections objectForKey:@"encapFormat"] \
1527                 intValue]] objectAtIndex:0] UTF8String], [[[o_userSelections \
1528                 objectForKey: @"trnscdFilePath"] objectAtIndex: x] UTF8String]];
1529         }
1530         else
1531         {
1532
1533             /* we are streaming */
1534             if ([[o_userSelections objectForKey:@"sap"] isEqualToString:@"YES"])
1535             {
1536                 /* SAP-Announcement is requested */
1537                 NSMutableString *o_sap_option = [NSMutableString stringWithString:@""];
1538                 if([[o_userSelections objectForKey:@"sapText"] isEqualToString:@""])
1539                 {
1540                     [o_sap_option appendString: @"sap"];
1541                 }
1542                 else
1543                 {
1544                     [o_sap_option appendFormat: @"sap,name=\"%s\"", \
1545                         [[o_userSelections objectForKey:@"sapText"] UTF8String]];
1546                 }
1547                 [o_opts_string appendFormat: \
1548                     @":sout=#%s%sstandard{mux=%s,dst=%s,access=%s,%s}", \
1549                     [o_duplicateCmd UTF8String], [o_trnscdCmd UTF8String], \
1550                     [[[o_encapFormats objectAtIndex: [[o_userSelections \
1551                     objectForKey: @"encapFormat"] intValue]] objectAtIndex:0] \
1552                     UTF8String], [[o_userSelections objectForKey: @"stmgDest"] \
1553                     UTF8String], [[[o_strmgMthds objectAtIndex: [[o_userSelections \
1554                     objectForKey: @"stmgMhd"] intValue]] objectAtIndex:0] \
1555                     UTF8String], [o_sap_option UTF8String]];
1556             }
1557             else
1558             {
1559                 /* no SAP, just streaming */
1560                 [o_opts_string appendFormat: \
1561                     @":sout=#%s%sstandard{mux=%s,dst=%s,access=%s}", \
1562                     [o_duplicateCmd UTF8String], [o_trnscdCmd UTF8String], \
1563                     [[[o_encapFormats objectAtIndex: [[o_userSelections \
1564                     objectForKey: @"encapFormat"] intValue]] objectAtIndex:0] \
1565                     UTF8String], [[o_userSelections objectForKey: \
1566                     @"stmgDest"] UTF8String], [[[o_strmgMthds objectAtIndex: \
1567                     [[o_userSelections objectForKey: @"stmgMhd"] intValue]] \
1568                     objectAtIndex:0] UTF8String]];
1569             }
1570         }
1571
1572         /* check whether the user requested local playback. if yes, close the
1573          * string with an additional bracket */
1574         if ([[o_userSelections objectForKey:@"localPb"] isEqualToString:@"YES"])
1575         {
1576             [o_opts_string appendString: @"\"}"];
1577         }
1578
1579         [tempArray addObject: o_opts_string];
1580
1581         o_opts_string = [NSMutableString stringWithString:@""];
1582         o_trnscdCmd = [NSMutableString stringWithString:@""];
1583         o_duplicateCmd = [NSMutableString stringWithString:@""];
1584         x += 1;
1585     }
1586     [o_userSelections setObject:[NSArray arrayWithArray: tempArray] forKey:@"opts"];
1587     [tempArray release];
1588 }
1589
1590 - (IBAction)prevTab:(id)sender
1591 {
1592     if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Summary"])
1593     {
1594         /* check whether we are streaming or transcoding and go back */
1595         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1596         {
1597             /* show "Streaming 2" */
1598             [o_tab_pageHolder selectTabViewItemAtIndex:5];
1599         }else{
1600             /* show "Transcode 2" */
1601             [o_tab_pageHolder selectTabViewItemAtIndex:6];
1602         }
1603         /* rename the forward-button */
1604         [o_btn_forward setTitle: _NS("Next")];
1605     }
1606     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1607         @"Transcode 2"])
1608     {
1609         /* show "Encap" */
1610         [o_tab_pageHolder selectTabViewItemAtIndex:4];
1611     }
1612     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1613         @"Streaming 2"])
1614     {
1615         /* show "Encap" */
1616         [o_tab_pageHolder selectTabViewItemAtIndex:4];
1617     }
1618     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1619         @"Encap"])
1620     {
1621         /* show "Transcode 1" */
1622         [o_tab_pageHolder selectTabViewItemAtIndex:3];
1623     }
1624     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1625         @"Streaming 1"])
1626     {
1627         /* show "Input" */
1628         [o_tab_pageHolder selectTabViewItemAtIndex:1];
1629     }
1630     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1631         @"Transcode 1"])
1632     {
1633         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1634         {
1635             /* show "Streaming 1" */
1636             [o_tab_pageHolder selectTabViewItemAtIndex:2];
1637         }else{
1638             /* show "Input" */
1639             [o_tab_pageHolder selectTabViewItemAtIndex:1];
1640         }
1641     }
1642     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1643         @"Input"])
1644     {
1645         /* reset the wizard before going backwards. Otherwise, we might get
1646          * unwanted behaviours in the Encap-Selection */
1647         [self resetWizard];
1648         /* show "Hello" */
1649         [o_tab_pageHolder selectTabViewItemAtIndex:0];
1650         /* disable backwards-btn */
1651         [o_btn_backward setEnabled:NO];
1652     }
1653 }
1654
1655 - (IBAction)t1_mrInfo_streaming:(id)sender
1656 {
1657     /* show a sheet for the help */
1658     NSBeginInformationalAlertSheet(_NS("Stream to network"), \
1659         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1660         _NS("This allows to stream on a network."));
1661 }
1662
1663 - (IBAction)t1_mrInfo_transcode:(id)sender
1664 {
1665     /* show a sheet for the help */
1666     NSBeginInformationalAlertSheet(_NS("Transcode/Save to file"), \
1667         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1668         _NS("This allows to save a stream to a file. The "\
1669         "can be reencoded on the fly. Whatever "\
1670         "VLC can read can be saved.\nPlease note that VLC is not very suited " \
1671         "for file to file transcoding. Its transcoding " \
1672         "features are however useful to save network streams, for example."));
1673 }
1674
1675 - (IBAction)t2_addNewStream:(id)sender
1676 {
1677     NSOpenPanel * openPanel = [NSOpenPanel openPanel];
1678     SEL sel = @selector(t2_getNewStreamFromDialog:returnCode:contextInfo:);
1679     [openPanel beginSheetForDirectory:nil file:nil types:nil modalForWindow: \
1680         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1681 }
1682
1683 - (void)t2_getNewStreamFromDialog: (NSOpenPanel *)sheet returnCode: \
1684     (int)returnCode contextInfo: (void *)contextInfo
1685 {
1686     if (returnCode == NSOKButton)
1687     {
1688         [o_t2_fld_pathToNewStrm setStringValue: [@"file://" \
1689             stringByAppendingString: [sheet filename]]];
1690     }
1691 }
1692
1693 - (IBAction)t2_chooseStreamOrPlst:(id)sender
1694 {
1695     /* enable and disable the respective items depending on user's choice */
1696     NSString *o_mode;
1697     o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
1698
1699     if( [o_mode isEqualToString: _NS("Select a stream")] )
1700     {
1701         [o_t2_btn_chooseFile setEnabled:YES];
1702         [o_t2_fld_pathToNewStrm setEnabled:YES];
1703         [o_t2_tbl_plst setEnabled:NO];
1704     } else {
1705         [o_t2_btn_chooseFile setEnabled:NO];
1706         [o_t2_fld_pathToNewStrm setEnabled:NO];
1707         [o_t2_tbl_plst setEnabled:YES];
1708     }
1709 }
1710
1711 - (IBAction)t2_enableExtract:(id)sender
1712 {
1713     /* enable/disable the respective items */
1714     if([o_t2_ckb_enblPartExtrct state] == NSOnState)
1715     {
1716         [o_t2_fld_prtExtrctFrom setEnabled:YES];
1717         [o_t2_fld_prtExtrctTo setEnabled:YES];
1718     } else {
1719         [o_t2_fld_prtExtrctFrom setEnabled:NO];
1720         [o_t2_fld_prtExtrctTo setEnabled:NO];
1721         [o_t2_fld_prtExtrctFrom setStringValue:@""];
1722         [o_t2_fld_prtExtrctTo setStringValue:@""];
1723     }
1724 }
1725
1726 - (IBAction)t3_strmMthdChanged:(id)sender
1727 {
1728     /* change the captions of o_t3_txt_destInfo according to the chosen
1729      * streaming method */
1730     int mode;
1731     mode = [[o_t3_matrix_stmgMhd selectedCell] tag];
1732     if( mode == 0 )
1733     {
1734         /* HTTP */
1735         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:0] \
1736             objectAtIndex:2]];
1737         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:0] \
1738             objectAtIndex:3]];
1739     }
1740     else if( mode == 1 )
1741     {
1742         /* MMS */
1743         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:1] \
1744             objectAtIndex:2]];
1745         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:1] \
1746             objectAtIndex:3]];
1747     }
1748     else if( mode == 2 )
1749     {
1750         /* UDP-Unicast */
1751         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:2] \
1752             objectAtIndex:2]];
1753         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:2] \
1754         objectAtIndex:3]];
1755     }
1756     else if( mode == 3 )
1757     {
1758         /* UDP-Multicast */
1759         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:3] \
1760             objectAtIndex:2]];
1761         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:3] \
1762         objectAtIndex:3]];
1763     }
1764     else if( mode == 4 )
1765     {
1766         /* RTP-Unicast */
1767         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:4] \
1768             objectAtIndex:2]];
1769         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:4] \
1770             objectAtIndex:3]];
1771     }
1772     else if( mode == 5 )
1773     {
1774         /* RTP-Multicast */
1775         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:5] \
1776             objectAtIndex:2]];
1777         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:5] \
1778         objectAtIndex:3]];
1779     }
1780 }
1781
1782 - (IBAction)t4_AudCdcChanged:(id)sender
1783 {
1784     /* update codec info */
1785     [o_t4_txt_hintAudio setStringValue:[[o_audioCodecs objectAtIndex: \
1786         [o_t4_pop_audioCodec indexOfSelectedItem]] objectAtIndex:2]];
1787 }
1788
1789 - (IBAction)t4_enblAudTrnscd:(id)sender
1790 {
1791     /* enable/disable the respective items */
1792     if([o_t4_ckb_audio state] == NSOnState)
1793     {
1794         [o_t4_pop_audioCodec setEnabled:YES];
1795         [o_t4_pop_audioBitrate setEnabled:YES];
1796         [o_t4_txt_hintAudio setStringValue: _NS("Select your audio codec. " \
1797         "Click one to get more information.")];
1798     } else {
1799         [o_t4_pop_audioCodec setEnabled:NO];
1800         [o_t4_pop_audioBitrate setEnabled:NO];
1801         [o_t4_txt_hintAudio setStringValue: _NS("Enabling this allows to transcode " \
1802         "the audio track if one is present in the stream.")];
1803     }
1804 }
1805
1806 - (IBAction)t4_enblVidTrnscd:(id)sender
1807 {
1808     /* enable/disable the respective items */
1809     if([o_t4_ckb_video state] == NSOnState)
1810     {
1811         [o_t4_pop_videoCodec setEnabled:YES];
1812         [o_t4_pop_videoBitrate setEnabled:YES];
1813         [o_t4_txt_hintVideo setStringValue: _NS("Select your video codec. "\
1814         "Click one to get more information.")];
1815     } else {
1816         [o_t4_pop_videoCodec setEnabled:NO];
1817         [o_t4_pop_videoBitrate setEnabled:NO];
1818         [o_t4_txt_hintVideo setStringValue: _NS("Enabling this allows to transcode " \
1819         "the video track if one is present in the stream.")];
1820
1821     }
1822 }
1823
1824 - (IBAction)t4_VidCdcChanged:(id)sender
1825 {
1826     /* update codec info */
1827     [o_t4_txt_hintVideo setStringValue:[[o_videoCodecs objectAtIndex: \
1828         [o_t4_pop_videoCodec indexOfSelectedItem]] objectAtIndex:2]];
1829 }
1830
1831 - (IBAction)t6_enblSapAnnce:(id)sender
1832 {
1833     /* enable/disable input fld */
1834     if([o_t6_ckb_sap state] == NSOnState)
1835     {
1836         [o_t6_fld_sap setEnabled:YES];
1837     } else {
1838         [o_t6_fld_sap setEnabled:NO];
1839         [o_t6_fld_sap setStringValue:@""];
1840     }
1841 }
1842
1843 - (IBAction)t6_mrInfo_ttl:(id)sender
1844 {
1845     /* show a sheet for the help */
1846     NSBeginInformationalAlertSheet(_NS("Time-To-Live (TTL)"), \
1847         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1848         _NS("This allows to define the TTL (Time-To-Live) of the stream. "\
1849             "This parameter is the maximum number of routers your stream can " \
1850             "go through. If you don't know what it means, or if you want to " \
1851             "stream on your local network only, leave this setting to 1."));
1852 }
1853
1854 - (IBAction)t6_mrInfo_sap:(id)sender
1855 {
1856     /* show a sheet for the help */
1857     NSBeginInformationalAlertSheet(_NS("SAP Announce"), \
1858         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1859         _NS("When streaming using UDP, the streams can be " \
1860         "announced using the SAP/SDP announcing protocol. This " \
1861         "way, the clients won't have to type in the multicast address, it " \
1862         "will appear in their playlist if they enable the SAP extra " \
1863         "interface.\nIf you want to give a name to your stream, enter it " \
1864         "here, else, a default name will be used."));
1865 }
1866
1867 - (IBAction)t67_mrInfo_local:(id)sender
1868 {
1869     /* show a sheet for the help */
1870     NSBeginInformationalAlertSheet(_NS("Local playback"), \
1871             _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1872             _NS("When this option is enabled, the stream will be both played " \
1873             "and transcoded/streamed.\n\nNote that this requires much more " \
1874             "CPU power than simple transcoding or streaming."));
1875 }
1876
1877 - (IBAction)t7_selectTrnscdDestFile:(id)sender
1878 {
1879     /* provide a save-to-dialogue, so the user can choose a location for
1880      * his/her new file. We take a modified NSOpenPanel to select a folder
1881      * and a plain NSSavePanel to save a single file. */
1882
1883     SEL sel = @selector(t7_getTrnscdDestFile:returnCode:contextInfo:);
1884
1885     if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1886     {
1887         NSOpenPanel * saveFolderPanel = [[NSOpenPanel alloc] init];
1888
1889         [saveFolderPanel setCanChooseDirectories: YES];
1890         [saveFolderPanel setCanChooseFiles: NO];
1891         [saveFolderPanel setCanSelectHiddenExtension: NO];
1892         [saveFolderPanel setCanCreateDirectories: YES];
1893         [saveFolderPanel beginSheetForDirectory:nil file:nil modalForWindow: \
1894         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1895     }
1896     else
1897     {
1898         NSSavePanel * saveFilePanel = [[NSSavePanel alloc] init];
1899
1900         /* don't use ".ps" as suffix, since the OSX Finder confuses our
1901          * creations with PostScript-files and wants to open them with
1902          * Preview.app */
1903         NSString * theEncapFormat = [[o_encapFormats objectAtIndex: \
1904         [[o_userSelections objectForKey:@"encapFormat"] intValue]] \
1905         objectAtIndex:0];
1906         if( theEncapFormat != @"ps" )
1907             [saveFilePanel setRequiredFileType: theEncapFormat];
1908         else
1909             [saveFilePanel setRequiredFileType: @"mpg"];
1910
1911         [saveFilePanel setCanSelectHiddenExtension: YES];
1912         [saveFilePanel setCanCreateDirectories: YES];
1913         [saveFilePanel beginSheetForDirectory:nil file:nil modalForWindow: \
1914         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1915     }
1916 }
1917
1918 - (void)t7_getTrnscdDestFile: (NSOpenPanel *)sheet returnCode: \
1919     (int)returnCode contextInfo: (void *)contextInfo
1920 {
1921     if (returnCode == NSOKButton)
1922     {
1923         /* output returned path to text-field, add a / to the end if the user
1924          * selected a folder */
1925         if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1926             [o_t7_fld_filePath setStringValue: [NSString stringWithFormat: \
1927                 @"%@/", [sheet filename]]];
1928         else
1929             [o_t7_fld_filePath setStringValue:[sheet filename]];
1930     }
1931     [sheet release];
1932 }
1933
1934 @end