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