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", @"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 to. Do not enter anything if you want to " \
 260         "listen to all adresses or if you don't understand. 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 less efficient, as the server needs to send " \
 264         "the stream several times."), nil];
 265     o_mms = [NSArray arrayWithObjects: @"mmsh", @"MMS", _NS("Enter the local " \
 266         "addresses you want to listen to. Do not enter anything if you want to " \
 267         "listen to all adresses or if you don't understand. 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         "does not work over 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."), 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         "does not work over Internet."), 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 helps you to stream, " \
 370         "transcode or save a stream.")];
 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         "Use the Open and Stream Output dialogs to get all of them.")];
 376     [[o_t1_matrix_strmgOrTrnscd cellAtRow:0 column:0] setTitle: _NS("Stream " \
 377         "to network")];
 378     [[o_t1_matrix_strmgOrTrnscd cellAtRow:1 column:0] setTitle: _NS("" \
 379         "Transcode/Save to file")];
 380
 381     /* page two ("Input") */
 382     [o_t2_title setStringValue: _NS("Choose input")];
 383     [o_t2_text setStringValue: _NS("Choose here your input stream.")];
 384     [[o_t2_matrix_inputSourceType cellAtRow:0 column:0] setTitle:  \
 385         _NS("Select a stream")];
 386     [[o_t2_matrix_inputSourceType cellAtRow:1 column:0] setTitle: \
 387         _NS("Existing playlist item")];
 388     [o_t2_btn_chooseFile setTitle: _NS("Choose...")];
 389     [[[o_t2_tbl_plst tableColumnWithIdentifier:@"1"] headerCell] \
 390         setStringValue: _NS("Title")];
 391     [[[o_t2_tbl_plst tableColumnWithIdentifier:@"2"] headerCell] \
 392         setStringValue: _NS("Author")];
 393     [o_t2_box_prtExtrct setTitle: _NS("Partial Extract")];
 394     [o_t2_ckb_enblPartExtrct setTitle: _NS("Enable")];
 395     [o_t2_ckb_enblPartExtrct setToolTip: _NS("Use this to read only a part of "\
 396         "the stream. You must be able to control the incoming stream " \
 397         "(for example, a file or a disc, but not an UDP network stream.) " \
 398         "Enter the starting and ending times (in seconds).")];
 399     [o_t2_txt_prtExtrctFrom setStringValue: _NS("From")];
 400     [o_t2_txt_prtExtrctTo setStringValue: _NS("To")];
 401
 402     /* page three ("Streaming 1") */
 403     [o_t3_txt_title setStringValue: _NS("Streaming")];
 404     [o_t3_txt_text setStringValue: _NS("In this page, you will select how " \
 405         "your input stream will be sent.")];
 406     [o_t3_box_dest setTitle: _NS("Destination")];
 407     [o_t3_box_strmgMthd setTitle: _NS("Streaming method")];
 408     [o_t3_txt_destInfo setStringValue: _NS("Enter the address of the computer " \
 409         "to stream to.")];
 410     [[o_t3_matrix_stmgMhd cellAtRow:0 column:0] setTitle: _NS("UDP Unicast")];
 411     [[o_t3_matrix_stmgMhd cellAtRow:0 column:1] setTitle: _NS("UDP Multicast")];
 412     [o_t3_txt_strgMthdInfo setStringValue: _NS("Use this to stream to a single " \
 413         "computer.")];
 414
 415     /* page four ("Transcode 1") */
 416     [o_t4_title setStringValue: _NS("Transcode")];
 417     [o_t4_text setStringValue: _NS("If you want to change the compression " \
 418         "format of the audio or video tracks, fill in this page. (If you only " \
 419         "want to change the container format, proceed to next page.)")];
 420     [o_t4_box_audio setTitle: _NS("Audio")];
 421     [o_t4_box_video setTitle: _NS("Video")];
 422     [o_t4_ckb_audio setTitle: _NS("Transcode audio")];
 423     [o_t4_ckb_video setTitle: _NS("Transcode video")];
 424     [o_t4_txt_videoBitrate setStringValue: _NS("Bitrate (kb/s)")];
 425     [o_t4_txt_videoCodec setStringValue: _NS("Codec")];
 426     [o_t4_txt_hintAudio setStringValue: _NS("If your stream has audio and you " \
 427         "want to transcode it, enable this.")];
 428     [o_t4_txt_hintVideo setStringValue: _NS("If your stream has video and you " \
 429         "want to transcode it, enable this.")];
 430
 431     /* page five ("Encap") */
 432     [o_t5_title setStringValue: _NS("Encapsulation format")];
 433     [o_t5_text setStringValue: _NS("In this page, you will select how the " \
 434         "stream will be encapsulated. Depending on the choices you made, all " \
 435                      "formats won't be available.")];
 436
 437     /* page six ("Streaming 2") */
 438     [o_t6_title setStringValue: _NS("Additional streaming options")];
 439     [o_t6_text setStringValue: _NS("In this page, you will define a few " \
 440                               "additional parameters for your stream.")];
 441     [o_t6_txt_ttl setStringValue: _NS("Time-To-Live (TTL)")];
 442     [o_t6_btn_mrInfo_ttl setTitle: _NS("More Info")];
 443     [o_t6_ckb_sap setTitle: _NS("SAP Announce")];
 444     [o_t6_btn_mrInfo_sap setTitle: _NS("More Info")];
 445     [o_t6_ckb_local setTitle: _NS("Local playback")];
 446     [o_t6_btn_mrInfo_local setTitle: _NS("More Info")];
 447
 448     /* page seven ("Transcode 2") */
 449     [o_t7_title setStringValue: _NS("Additional transcode options")];
 450     [o_t7_text setStringValue: _NS("In this page, you will define a few " \
 451                               "additional parameters for your transcoding.")];
 452     [o_t7_txt_saveFileTo setStringValue: _NS("Select the file to save to")];
 453     [o_t7_btn_chooseFile setTitle: _NS("Choose...")];
 454     [o_t7_ckb_local setTitle: _NS("Local playback")];
 455     [o_t7_btn_mrInfo_local setTitle: _NS("More Info")];
 456     [o_t7_txt_note_saveFolderTo setStringValue: _NS("Note that your input " \
 457         "files will keep their original names when being saved in the folder " \
 458         "you selected. Existing files may be overwritten.")];
 459
 460     /* page eight ("Summary") */
 461     [o_t8_txt_text setStringValue: _NS("This page lists all your selections. " \
 462         "Click \"Finish\" to start your streaming or transcoding.")];
 463     [o_t8_txt_title setStringValue: _NS("Summary")];
 464     [o_t8_txt_destination setStringValue: [_NS("Destination") \
 465         stringByAppendingString: @":"]];
 466     [o_t8_txt_encapFormat setStringValue: [_NS("Encap. format") \
 467         stringByAppendingString: @":"]];
 468     [o_t8_txt_inputStream setStringValue: [_NS("Input stream") \
 469         stringByAppendingString: @":"]];
 470     [o_t8_txt_partExtract setStringValue: [_NS("Partial Extract") \
 471         stringByAppendingString: @":"]];
 472     [o_t8_txt_sap setStringValue: [_NS("SAP Announce") \
 473         stringByAppendingString: @":"]];
 474     [o_t8_txt_saveFileTo setStringValue: [_NS("Save file to") \
 475         stringByAppendingString: @":"]];
 476     [o_t8_txt_strmgMthd setStringValue: [_NS("Streaming method") \
 477         stringByAppendingString: @":"]];
 478     [o_t8_txt_trnscdAudio setStringValue: [_NS("Transcode audio") \
 479         stringByAppendingString: @":"]];
 480     [o_t8_txt_trnscdVideo setStringValue: [_NS("Transcode video") \
 481         stringByAppendingString: @":"]];
 482     [o_t8_txt_local setStringValue: [_NS("Local playback") \
 483         stringByAppendingString: @":"]];
 484 }
 485
 486 - (void)initWithExtractValuesFrom: (NSString *)from to: (NSString *)to \
 487     ofItem: (NSString *)item
 488 {
 489     [self resetWizard];
 490     msg_Dbg(VLCIntf, "wizard was reseted");
 491     [o_userSelections setObject:@"trnscd" forKey:@"trnscdOrStrmg"];
 492     [o_btn_backward setEnabled:YES];
 493     [o_tab_pageHolder selectTabViewItemAtIndex:1];
 494     [o_t2_fld_prtExtrctFrom setStringValue: from];
 495     [o_t2_fld_prtExtrctTo setStringValue: to];
 496     [o_t2_fld_pathToNewStrm setStringValue: item];
 497     [o_t1_matrix_strmgOrTrnscd selectCellAtRow:1 column:0];
 498     [[o_t1_matrix_strmgOrTrnscd cellAtRow:0 column:0] setState: NSOffState];
 499     [o_t2_ckb_enblPartExtrct setState: NSOnState];
 500     [self t2_enableExtract: nil];
 501     msg_Dbg(VLCIntf, "wizard interface is set");
 502
 503     [o_wizard_window center];
 504     [o_wizard_window display];
 505     [o_wizard_window makeKeyAndOrderFront:nil];
 506     msg_Dbg(VLCIntf, "wizard window displayed");
 507 }
 508
 509 - (IBAction)cancelRun:(id)sender
 510 {
 511     [o_wizard_window close];
 512 }
 513
 514 - (id)getPlaylistWizard
 515 {
 516     return o_playlist_wizard;
 517 }
 518
 519 - (IBAction)nextTab:(id)sender
 520 {
 521     if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Hello"])
 522     {
 523         /* check whether the user wants to stream or just to transcode;
 524          * store information for later usage */
 525         NSString *o_mode;
 526         o_mode = [[o_t1_matrix_strmgOrTrnscd selectedCell] title];
 527         if( [o_mode isEqualToString: _NS("Stream to network")] )
 528         {
 529             /* we will be streaming */
 530             [o_userSelections setObject:@"strmg" forKey:@"trnscdOrStrmg"];
 531         }
 532         else
 533         {
 534             /* we will just do some transcoding */
 535             [o_userSelections setObject:@"trnscd" forKey:@"trnscdOrStrmg"];
 536         }
 537         [o_btn_backward setEnabled:YES];
 538         [o_tab_pageHolder selectTabViewItemAtIndex:1];
 539
 540         /* Fill the playlist with current playlist items */
 541         [o_playlist_wizard reloadOutlineView];
 542
 543     }
 544     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Input"])
 545     {
 546         /* check whether partialExtract is enabled and store the values, if needed */
 547         if ([o_t2_ckb_enblPartExtrct state] == NSOnState)
 548         {
 549             [o_userSelections setObject:@"YES" forKey:@"partExtract"];
 550             [o_userSelections setObject:[o_t2_fld_prtExtrctFrom stringValue] \
 551                 forKey:@"partExtractFrom"];
 552             [o_userSelections setObject:[o_t2_fld_prtExtrctTo stringValue] \
 553                 forKey:@"partExtractTo"];
 554         }else{
 555             [o_userSelections setObject:@"NO" forKey:@"partExtract"];
 556         }
 557
 558         /* check whether we use an existing pl-item or add an new one;
 559          * store the path or the index and set a flag.
 560          * complain to the user if s/he didn't provide a path */
 561         NSString *o_mode;
 562         BOOL stop;
 563         stop = NO;
 564         o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
 565         if( [o_mode isEqualToString: _NS("Select a stream")] )
 566         {
 567             [o_userSelections setObject:@"YES" forKey:@"newStrm"];
 568             if ([[o_t2_fld_pathToNewStrm stringValue] isEqualToString: @""])
 569             {
 570                 /* set a flag that no file is selected */
 571                 stop = YES;
 572             }
 573             else
 574             {
 575                 [o_userSelections setObject:[NSArray arrayWithObject:
 576                     [o_t2_fld_pathToNewStrm stringValue]] forKey:@"pathToStrm"];
 577             }
 578         }
 579         else
 580         {
 581             if ([o_t2_tbl_plst numberOfSelectedRows] > 0)
 582             {
 583                 int x = 0;
 584                 int y = [[o_t2_tbl_plst selectedRowIndexes] count];
 585                 NSMutableArray * tempArray = [[NSMutableArray alloc] init];
 586                 while( x != y )
 587                 {
 588                     playlist_item_t *p_item =
 589                         [[o_t2_tbl_plst itemAtRow:
 590                             [[o_t2_tbl_plst selectedRowIndexes]
 591                             indexGreaterThanOrEqualToIndex: x]] pointerValue];
 592
 593                     if( p_item->i_children <= 0 )
 594                     {
 595                         [tempArray addObject: [NSString stringWithUTF8String:
 596                         p_item->input.psz_uri]];
 597                         stop = NO;
 598                     }
 599                     else
 600                         stop = YES;
 601                     x += 1;
 602                 }
 603                 [o_userSelections setObject:[NSArray arrayWithArray: tempArray]
 604                     forKey:@"pathToStrm"];
 605                 [tempArray release];
 606             }
 607             else
 608             {
 609                 /* set a flag that no item is selected */
 610                 stop = YES;
 611             }
 612         }
 613
 614         /* show either "Streaming 1" or "Transcode 1" to the user */
 615         if (stop == NO)
 616         {
 617             if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] \
 618                 isEqualToString:@"strmg"])
 619             {
 620                 /* we are streaming */
 621                 [o_tab_pageHolder selectTabViewItemAtIndex:2];
 622             }else{
 623                 /* we are just transcoding */
 624
 625                 /* rebuild the menues for the codec-selections */
 626                 [self rebuildCodecMenus];
 627
 628                 [o_tab_pageHolder selectTabViewItemAtIndex:3];
 629             }
 630         } else {
 631             /* show a sheet that the user didn't select a file */
 632             NSBeginInformationalAlertSheet(_NS("No input selected"), \
 633                 _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
 634                 _NS("You have selected neither a new stream nor a valid " \
 635                 "playlist item. VLC is unable to guess, which input you " \
 636                 "want use.\n\nChoose one before going to the next page."));
 637         }
 638     }
 639     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
 640         @"Streaming 1"])
 641     {
 642         /* rebuild the menues for the codec-selections */
 643         [self rebuildCodecMenus];
 644
 645         /* check which streaming method is selected and store it */
 646         int mode;
 647         mode = [[o_t3_matrix_stmgMhd selectedCell] tag];
 648         if( mode == 0 )
 649         {
 650             /* HTTP Streaming */
 651             [o_userSelections setObject:@"0" forKey:@"stmgMhd"];
 652
 653             /* disable all codecs which don't support MPEG PS, MPEG TS, MPEG 1,
 654              * OGG, RAW or ASF */
 655             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 656             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating"];
 657
 658         } else if ( mode == 1 )
 659         {
 660             /* MMS Streaming */
 661             [o_userSelections setObject:@"1" forKey:@"stmgMhd"];
 662
 663             /* disable all codecs which don't support ASF / ASFH */
 664             [o_t4_pop_audioCodec removeItemWithTitle:@"MPEG 4 Audio"];
 665             [o_t4_pop_audioCodec removeItemWithTitle:@"Vorbis"];
 666             [o_t4_pop_audioCodec removeItemWithTitle:@"FLAC"];
 667             [o_t4_pop_audioCodec removeItemWithTitle:@"Speex"];
 668             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 669             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating"];
 670
 671             [o_t4_pop_videoCodec removeItemWithTitle:@"MPEG-1 Video"];
 672             [o_t4_pop_videoCodec removeItemWithTitle:@"MPEG-2 Video"];
 673             [o_t4_pop_videoCodec removeItemWithTitle:@"H.263"];
 674             [o_t4_pop_videoCodec removeItemWithTitle:@"H.264"];
 675             [o_t4_pop_videoCodec removeItemWithTitle:@"MJPEG"];
 676             [o_t4_pop_videoCodec removeItemWithTitle:@"Theora"];
 677         } else {
 678             /* RTP/UDP Unicast/Multicast Streaming */
 679
 680             [o_userSelections setObject: [[NSNumber numberWithInt: mode] \
 681                 stringValue] forKey:@"stmgMhd"];
 682
 683             /* disable all codecs which don't support MPEG-TS */
 684             [o_t4_pop_audioCodec removeItemWithTitle:@"Vorbis"];
 685             [o_t4_pop_audioCodec removeItemWithTitle:@"FLAC"];
 686             [o_t4_pop_audioCodec removeItemWithTitle:@"Speex"];
 687             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 688             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating"];
 689         }
 690
 691         /* store the destination and check whether is it empty */
 692         if([[o_userSelections objectForKey:@"stmgMhd"] intValue] >=2 )
 693         {
 694            /* empty field is valid for HTTP and MMS */
 695             if( [[o_t3_fld_address stringValue] isEqualToString: @""] )
 696             {
 697                 /* complain to the user that "" is no valid dest. */
 698                 NSBeginInformationalAlertSheet(_NS("No valid destination"), \
 699                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
 700                     _NS("You need to enter a valid destination you want to "\
 701                     "stream to. Enter either a Unicast-IP or a Multicast-IP." \
 702                     "\n\nIf you don't know what this means, have a look at " \
 703                     "the VLC Streaming HOWTO and the help texts in this " \
 704                     "window."));
 705             } else {
 706                 /* FIXME: check whether the entered IP is really valid */
 707                 [o_userSelections setObject:[o_t3_fld_address stringValue] \
 708                     forKey:@"stmgDest"];
 709                 /* let's go to the transcode-1-tab */
 710                 [o_tab_pageHolder selectTabViewItemAtIndex:3];
 711             }
 712         } else {
 713             [o_userSelections setObject:[o_t3_fld_address stringValue] \
 714                 forKey:@"stmgDest"];
 715             /* let's go to the transcode-1-tab */
 716             [o_tab_pageHolder selectTabViewItemAtIndex:3];
 717         }
 718     }
 719     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
 720         @"Transcode 1"])
 721     {
 722         /* check whether the user wants to transcode the video-track and store
 723          * the related options */
 724         if ([o_t4_ckb_video state] == NSOnState)
 725         {
 726             NSNumber * theNum;
 727             theNum = [NSNumber numberWithInt:[o_t4_pop_videoCodec indexOfSelectedItem]];
 728             [o_userSelections setObject:@"YES" forKey:@"trnscdVideo"];
 729             [o_userSelections setObject:[o_t4_pop_videoBitrate titleOfSelectedItem] \
 730                 forKey:@"trnscdVideoBitrate"];
 731             [o_userSelections setObject:theNum forKey:@"trnscdVideoCodec"];
 732         } else {
 733             [o_userSelections setObject:@"NO" forKey:@"trnscdVideo"];
 734         }
 735
 736         /* check whether the user wants to transcode the audio-track and store
 737          * the related options */
 738         if ([o_t4_ckb_audio state] == NSOnState)
 739         {
 740             NSNumber * theNum;
 741             theNum = [NSNumber numberWithInt:[o_t4_pop_audioCodec indexOfSelectedItem]];
 742             [o_userSelections setObject:@"YES" forKey:@"trnscdAudio"];
 743             [o_userSelections setObject:[o_t4_pop_audioBitrate titleOfSelectedItem] \
 744                 forKey:@"trnscdAudioBitrate"];
 745             [o_userSelections setObject:theNum forKey:@"trnscdAudioCodec"];
 746         } else {
 747             [o_userSelections setObject:@"NO" forKey:@"trnscdAudio"];
 748         }
 749
 750         /* disable all encap-formats */
 751         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
 752         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:NO];
 753         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
 754         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
 755         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
 756         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
 757         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
 758         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
 759         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
 760         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
 761         [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
 762
 763         /* re-enable the encap-formats supported by the chosen codecs */
 764         /* FIXME: the following is a really bad coding-style. feel free to mail
 765             me ideas how to make this nicer, if you want to -- FK, 7/11/05 */
 766
 767         if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualTo: @"YES"])
 768         {
 769             if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
 770             {
 771                 /* we are transcoding both audio and video, so we need to check both deps */
 772                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 773                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
 774                 {
 775                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections \
 776                         objectForKey:@"trnscdAudioCodec"] intValue]] \
 777                         containsObject: @"MUX_PS"])
 778                     {
 779                         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 780                         [o_t5_matrix_encap selectCellAtRow:0 column:0];
 781                     }
 782                 }
 783                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections \
 784                     objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
 785                 {
 786                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 787                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
 788                     {
 789                         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 790                         [o_t5_matrix_encap selectCellAtRow:1 column:0];
 791                     }
 792                 }
 793                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 794                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
 795                 {
 796                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 797                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
 798                     {
 799                         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 800                         [o_t5_matrix_encap selectCellAtRow:2 column:0];
 801                     }
 802                 }
 803                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 804                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
 805                 {
 806                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections \
 807                         objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
 808                     {
 809                         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 810                         [o_t5_matrix_encap selectCellAtRow:3 column:0];
 811                     }
 812                 }
 813                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 814                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
 815                 {
 816                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 817                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
 818                     {
 819                         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 820                         [o_t5_matrix_encap selectCellAtRow:4 column:0];
 821                     }
 822                 }
 823                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 824                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
 825                 {
 826                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 827                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
 828                     {
 829                         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 830                         [o_t5_matrix_encap selectCellAtRow:5 column:0];
 831                     }
 832                 }
 833                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 834                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
 835                 {
 836                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 837                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
 838                     {
 839                         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 840                         [o_t5_matrix_encap selectCellAtRow:6 column:0];
 841                     }
 842                 }
 843                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 844                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
 845                 {
 846                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 847                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
 848                     {
 849                         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 850                         [o_t5_matrix_encap selectCellAtRow:7 column:0];
 851                     }
 852                 }
 853                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 854                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
 855                 {
 856                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 857                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
 858                     {
 859                         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 860                         [o_t5_matrix_encap selectCellAtRow:8 column:0];
 861                     }
 862                 }
 863                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 864                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
 865                 {
 866                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 867                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
 868                     {
 869                         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 870                         [o_t5_matrix_encap selectCellAtRow:9 column:0];
 871                     }
 872                 }
 873
 874             } else {
 875
 876                 /* we just transcoding the audio */
 877
 878                 /* select formats supported by the audio codec */
 879                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 880                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_PS"])
 881                 {
 882                     [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 883                     [o_t5_matrix_encap selectCellAtRow:0 column:0];
 884                 }
 885                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 886                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
 887                 {
 888                     [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 889                     [o_t5_matrix_encap selectCellAtRow:1 column:0];
 890                 }
 891                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 892                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
 893                 {
 894                     [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 895                     [o_t5_matrix_encap selectCellAtRow:2 column:0];
 896                 }
 897                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 898                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
 899                 {
 900                     [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 901                     [o_t5_matrix_encap selectCellAtRow:3 column:0];
 902                 }
 903                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 904                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
 905                 {
 906                     [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 907                     [o_t5_matrix_encap selectCellAtRow:4 column:0];
 908                 }
 909                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 910                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
 911                 {
 912                     [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 913                     [o_t5_matrix_encap selectCellAtRow:5 column:0];
 914                 }
 915                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 916                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
 917                 {
 918                     [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 919                     [o_t5_matrix_encap selectCellAtRow:6 column:0];
 920                 }
 921                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 922                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
 923                 {
 924                     [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 925                     [o_t5_matrix_encap selectCellAtRow:7 column:0];
 926                 }
 927                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 928                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
 929                 {
 930                     [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 931                     [o_t5_matrix_encap selectCellAtRow:8 column:0];
 932                 }
 933                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
 934                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
 935                 {
 936                     [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 937                     [o_t5_matrix_encap selectCellAtRow:9 column:0];
 938                 }
 939             }
 940         }
 941         else if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
 942         {
 943             /* we are just transcoding the video */
 944
 945             /* select formats supported by the video-codec */
 946
 947             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 948                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
 949             {
 950                 [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 951                 [o_t5_matrix_encap selectCellAtRow:0 column:0];
 952             }
 953             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 954                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
 955             {
 956                 [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 957                 [o_t5_matrix_encap selectCellAtRow:1 column:0];
 958             }
 959             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 960                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
 961             {
 962                 [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 963                 [o_t5_matrix_encap selectCellAtRow:2 column:0];
 964             }
 965             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 966                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
 967             {
 968                 [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 969                 [o_t5_matrix_encap selectCellAtRow:3 column:0];
 970             }
 971             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 972                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
 973             {
 974                 [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 975                 [o_t5_matrix_encap selectCellAtRow:4 column:0];
 976             }
 977             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 978                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
 979             {
 980                 [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 981                 [o_t5_matrix_encap selectCellAtRow:5 column:0];
 982             }
 983             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 984                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
 985             {
 986                 [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 987                 [o_t5_matrix_encap selectCellAtRow:6 column:0];
 988             }
 989             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 990                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
 991             {
 992                 [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 993                 [o_t5_matrix_encap selectCellAtRow:7 column:0];
 994             }
 995             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
 996                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
 997             {
 998                 [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 999                 [o_t5_matrix_encap selectCellAtRow:8 column:0];
1000             }
1001             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
1002                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
1003             {
1004                 [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
1005                 [o_t5_matrix_encap selectCellAtRow:9 column:0];
1006             }
1007         } else {
1008             /* we don't do any transcoding
1009              * -> enabled the encap-formats allowed when streaming content via
1010              * http plus MP4 since this should work fine in most cases */
1011
1012             /* FIXME: choose a selection of encap-formats based upon the
1013              * actually used codecs */
1014
1015             /* enable MPEG PS, MPEG TS, MPEG 1, OGG, RAW, ASF, MP4 and MOV
1016              * select MPEG PS */
1017             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
1018             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
1019             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
1020             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
1021             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
1022             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
1023             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1024             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
1025             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
1026             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1027             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1028             [o_t5_matrix_encap selectCellAtRow:0 column:0];
1029         }
1030
1031         if ( [o_userSelections objectForKey:@"stmgMhd"] == @"1" )
1032         {
1033             /* if MMS is the streaming protocol, only ASFH is available */
1034             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
1035             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:NO];
1036             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
1037             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
1038             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
1039             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
1040             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1041             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1042             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1043             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1044             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:YES];
1045             [o_t5_matrix_encap selectCellAtRow:10 column:0];
1046         }
1047         else if ( [o_userSelections objectForKey:@"stmgMhd"] == @"0" )
1048         {
1049             /* if HTTP is the streaming protocol, disable all unsupported
1050              * encap-formats, but don't touch the other ones selected above */
1051             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1052             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1053             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1054             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1055             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1056         }
1057         else if ( [[o_userSelections objectForKey:@"stmgMhd"] intValue] >= 2 )
1058         {
1059             /* if UDP/RTP is the streaming protocol, only MPEG-TS is available */
1060             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
1061             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
1062             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
1063             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
1064             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
1065             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1066             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1067             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1068             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1069             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1070             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
1071             [o_t5_matrix_encap selectCellAtRow:1 column:0];
1072         }
1073         int x;
1074         BOOL anythingEnabled;
1075         x = 0;
1076         anythingEnabled = NO;
1077         while (x != [o_t5_matrix_encap numberOfRows])
1078         {
1079             if ([[o_t5_matrix_encap cellAtRow:x column:0] isEnabled])
1080             {
1081                 anythingEnabled = YES;
1082             }
1083             x += 1;
1084         }
1085         if (anythingEnabled == YES)
1086         {
1087             /* go the encap-tab */
1088             [o_tab_pageHolder selectTabViewItemAtIndex:4];
1089         } else {
1090             /* show a sheet that the selected codecs are not compatible */
1091             NSBeginInformationalAlertSheet(_NS("Invalid selection"), _NS("OK"), \
1092                 @"", @"", o_wizard_window, nil, nil, nil, nil, _NS("Your " \
1093                 "chosen codecs are not compatible with each other. For example: " \
1094                 "you cannot mix uncompressed audio with any video codec.\n\n" \
1095                 "Correct your selection and try again."));
1096         }
1097
1098     }
1099     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Encap"])
1100     {
1101         /* get the chosen encap format and store it */
1102         NSNumber * theNum;
1103         theNum = [NSNumber numberWithInt:[[o_t5_matrix_encap selectedCell] tag]];
1104         [o_userSelections setObject:[theNum stringValue] forKey:@"encapFormat"];
1105
1106         /* show either "Streaming 2" or "Transcode 2" to the user */
1107         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1108         {
1109             /* we are streaming */
1110             [o_tab_pageHolder selectTabViewItemAtIndex:5];
1111         }else{
1112             /* we are just transcoding */
1113             [o_tab_pageHolder selectTabViewItemAtIndex:6];
1114             /* in case that we are processing multiple items, let the user
1115              * select a folder instead of a localtion for a single item */
1116             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1117             {
1118                 [o_t7_txt_saveFileTo setStringValue:
1119                     _NS("Select the folder to save to")];
1120                 [o_t7_txt_note_saveFolderTo setHidden: NO];
1121             }
1122             else
1123             {
1124                 [o_t7_txt_saveFileTo setStringValue:
1125                     _NS("Select the file to save to")];
1126                 [o_t7_txt_note_saveFolderTo setHidden: YES];
1127             }
1128         }
1129     }
1130     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1131         @"Streaming 2"])
1132     {
1133         /* store the chosen TTL */
1134         [o_userSelections setObject:[o_t6_fld_ttl stringValue] forKey:@"ttl"];
1135
1136         /* check whether SAP is enabled and store the announce, if needed */
1137         if ([o_t6_ckb_sap state] == NSOnState)
1138         {
1139             [o_userSelections setObject:@"YES" forKey:@"sap"];
1140             [o_userSelections setObject:[o_t6_fld_sap stringValue] forKey:@"sapText"];
1141         } else {
1142             [o_userSelections setObject:@"NO" forKey:@"sap"];
1143         }
1144
1145         /* local playback? */
1146         if ([o_t6_ckb_local state] == NSOnState)
1147         {
1148             [o_userSelections setObject:@"YES" forKey:@"localPb"];
1149         } else {
1150             [o_userSelections setObject:@"NO" forKey:@"localPb"];
1151         }
1152
1153         /* go to "Summary" */
1154         [self showSummary];
1155     }
1156     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1157         @"Transcode 2"])
1158     {
1159         /* local playback? */
1160         if ([o_t7_ckb_local state] == NSOnState)
1161         {
1162             [o_userSelections setObject:@"YES" forKey:@"localPb"];
1163         } else {
1164             [o_userSelections setObject:@"NO" forKey:@"localPb"];
1165         }
1166
1167         /* check whether the path != "" and store it */
1168         if( [[o_t7_fld_filePath stringValue] isEqualToString: @""] )
1169         {
1170             /* complain to the user that "" is no valid path for a folder/file */
1171             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1172                 NSBeginInformationalAlertSheet(_NS("No folder selected"), \
1173                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1174                     [NSString stringWithFormat: @"%@\n\n%@", _NS("You you " \
1175                     "need to select a folder, you want to save your files to."),
1176                     _NS("Enter either a valid path or choose a location " \
1177                     "through the button's dialog-box.")]);
1178             else
1179                 NSBeginInformationalAlertSheet(_NS("No file selected"), \
1180                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1181                     [NSString stringWithFormat: @"%@\n\n%@", _NS("You you " \
1182                     "need to select a file, you want to save to."),
1183                     _NS("Enter either a valid path or choose a location " \
1184                     "through the button's dialog-box.")]);
1185         } else {
1186             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1187             {
1188                 NSMutableArray * tempArray = [[NSMutableArray alloc] init];
1189                 NSString * theEncapFormat = [[o_encapFormats objectAtIndex: \
1190                     [[o_userSelections objectForKey:@"encapFormat"] intValue]] \
1191                     objectAtIndex:0];
1192                 if( theEncapFormat == @"ps" )
1193                     theEncapFormat = @"mpg";
1194                 int x = 0;
1195                 int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1196                 while( x != y )
1197                 {
1198                     [tempArray addObject:[NSString stringWithFormat: @"%@%@.%@",
1199                         [o_t7_fld_filePath stringValue],
1200                         [[NSFileManager defaultManager] displayNameAtPath:
1201                         [[o_userSelections objectForKey:@"pathToStrm"]
1202                         objectAtIndex: x]],theEncapFormat]];
1203                     x += 1;
1204                 }
1205                 [o_userSelections setObject: [NSArray arrayWithArray:tempArray]
1206                     forKey: @"trnscdFilePath"];
1207                 [tempArray release];
1208             }
1209             else
1210             {
1211                 [o_userSelections setObject: [NSArray arrayWithObject: \
1212                     [o_t7_fld_filePath stringValue]] forKey: @"trnscdFilePath"];
1213             }
1214
1215             /* go to "Summary" */
1216             [self showSummary];
1217         }
1218     }
1219     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1220         @"Summary"])
1221     {
1222         intf_thread_t * p_intf = VLCIntf;
1223
1224         playlist_t * p_playlist = (playlist_t *)vlc_object_find( p_intf,
1225                             VLC_OBJECT_PLAYLIST, FIND_ANYWHERE);
1226         if( p_playlist )
1227         {
1228             int x = 0;
1229             int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1230             while( x != y )
1231             {
1232                 /* we need a temp. variable here to work-around a GCC4-bug */
1233                 NSString *tempString = [NSString stringWithFormat: \
1234                     @"%@ (%i/%i)", _NS("Streaming/Transcoding Wizard"), \
1235                     ( x + 1 ), y];
1236                 playlist_item_t *p_item = playlist_ItemNew( p_playlist, \
1237                     [[[o_userSelections objectForKey:@"pathToStrm"] \
1238                     objectAtIndex:x] UTF8String], \
1239                     [tempString UTF8String] );
1240                 playlist_ItemAddOption( p_item, [[[o_userSelections \
1241                     objectForKey:@"opts"] objectAtIndex: x] UTF8String]);
1242
1243                 if(! [[o_userSelections objectForKey:@"partExtractFrom"] \
1244                     isEqualToString:@""] )
1245                 {
1246                     playlist_ItemAddOption( p_item, [[NSString \
1247                         stringWithFormat: @"start-time=%@", [o_userSelections \
1248                         objectForKey: @"partExtractFrom"]] UTF8String] );
1249                 }
1250
1251                 if(! [[o_userSelections objectForKey:@"partExtractTo"] \
1252                     isEqualToString:@""] )
1253                 {
1254                     playlist_ItemAddOption( p_item, [[NSString \
1255                         stringWithFormat: @"stop-time=%@", [o_userSelections \
1256                         objectForKey: @"partExtractTo"]] UTF8String] );
1257                 }
1258
1259                 playlist_ItemAddOption( p_item, [[NSString stringWithFormat: \
1260                     @"ttl=%@", [o_userSelections objectForKey:@"ttl"]] \
1261                     UTF8String] );
1262
1263                 playlist_AddItem( p_playlist, p_item, PLAYLIST_STOP, PLAYLIST_END );
1264
1265                 if( x == 0 )
1266                     /* play the first item and add the others afterwards */
1267                     playlist_Control( p_playlist, PLAYLIST_ITEMPLAY, p_item );
1268
1269                 x += 1;
1270             }
1271
1272             playlist_ViewUpdate( p_playlist, VIEW_CATEGORY );
1273
1274             vlc_object_release(p_playlist);
1275         } else {
1276             msg_Err( p_intf, "Uh Oh! Unable to find playlist!" );
1277         }
1278
1279         /* close the window, since we are done */
1280         [o_wizard_window close];
1281     }
1282 }
1283
1284 - (void)rebuildCodecMenus
1285 {
1286     int savePreviousSel = 0;
1287     savePreviousSel = [o_t4_pop_videoCodec indexOfSelectedItem];
1288     [o_t4_pop_videoCodec removeAllItems];
1289     unsigned int x;
1290     x = 0;
1291     while (x != [o_videoCodecs count])
1292     {
1293         [o_t4_pop_videoCodec addItemWithTitle:[[o_videoCodecs objectAtIndex:x] \
1294             objectAtIndex:0]];
1295         x += 1;
1296     }
1297     if( keepSettingsOrNot && savePreviousSel >= 0 )
1298         [o_t4_pop_videoCodec selectItemAtIndex: savePreviousSel];
1299
1300     savePreviousSel = [o_t4_pop_audioCodec indexOfSelectedItem];
1301     [o_t4_pop_audioCodec removeAllItems];
1302     x = 0;
1303     while (x != [o_audioCodecs count])
1304     {
1305         [o_t4_pop_audioCodec addItemWithTitle:[[o_audioCodecs objectAtIndex:x] \
1306             objectAtIndex:0]];
1307         x += 1;
1308     }
1309     if( keepSettingsOrNot && savePreviousSel >= 0 )
1310         [o_t4_pop_audioCodec selectItemAtIndex: savePreviousSel];
1311 }
1312
1313 - (void)showSummary
1314 {
1315     [o_btn_forward setTitle: _NS("Finish")];
1316     /* if we will transcode multiple items, just give their number; otherwise
1317      * print the URI of the single item */
1318     if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1319         [o_t8_fld_inptStream setStringValue: [NSString stringWithFormat:
1320             _NS("%i items"),
1321             [[o_userSelections objectForKey:@"pathToStrm"] count]]];
1322     else
1323         [o_t8_fld_inptStream setStringValue:
1324             [[o_userSelections objectForKey:@"pathToStrm"] objectAtIndex: 0]];
1325
1326     if ([[o_userSelections objectForKey:@"localPb"] isEqualToString: @"YES"])
1327     {
1328         [o_t8_fld_local setStringValue: _NS("yes")];
1329     } else {
1330         [o_t8_fld_local setStringValue: _NS("no")];
1331     }
1332
1333     if ([[o_userSelections objectForKey:@"partExtract"] isEqualToString: @"YES"])
1334     {
1335         [o_t8_fld_partExtract setStringValue: [NSString stringWithFormat:
1336             _NS("yes: from %@ to %@ secs"),
1337             [o_userSelections objectForKey:@"partExtractFrom"],
1338             [o_userSelections objectForKey:@"partExtractTo"]]];
1339     } else {
1340         [o_t8_fld_partExtract setStringValue: _NS("no")];
1341     }
1342
1343     if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
1344     {
1345         [o_t8_fld_trnscdVideo setStringValue: [NSString stringWithFormat:
1346             _NS("yes: %@ @ %@ kb/s"),
1347             [[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
1348             @"trnscdVideoCodec"] intValue]] objectAtIndex:0],
1349             [o_userSelections objectForKey:@"trnscdVideoBitrate"]]];
1350     }
1351     else
1352     {
1353         [o_t8_fld_trnscdVideo setStringValue: _NS("no")];
1354     }
1355     if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1356     {
1357         [o_t8_fld_trnscdAudio setStringValue: [NSString stringWithFormat:
1358             _NS("yes: %@ @ %@ kb/s"),
1359             [[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
1360                 @"trnscdAudioCodec"] intValue]] objectAtIndex:0],
1361             [o_userSelections objectForKey:@"trnscdAudioBitrate"]]];
1362     }
1363     else
1364     {
1365         [o_t8_fld_trnscdAudio setStringValue: _NS("no")];
1366     }
1367
1368
1369     if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1370     {
1371         /* we are streaming and perhaps also transcoding */
1372         [o_t8_fld_saveFileTo setStringValue: @"-"];
1373         [o_t8_fld_strmgMthd setStringValue: [[o_strmgMthds objectAtIndex: \
1374             [[o_userSelections objectForKey:@"stmgMhd"] intValue]] \
1375             objectAtIndex:1]];
1376         [o_t8_fld_destination setStringValue: [o_userSelections objectForKey: \
1377             @"stmgDest"]];
1378         [o_t8_fld_ttl setStringValue: [o_userSelections objectForKey:@"ttl"]];
1379         if ([[o_userSelections objectForKey:@"sap"] isEqualToString: @"YES"])
1380         {
1381             [o_t8_fld_sap setStringValue:
1382                 [_NS("yes") stringByAppendingFormat: @": \"%@\"",
1383                     [o_userSelections objectForKey:@"sapText"]]];
1384         }else{
1385             [o_t8_fld_sap setStringValue: _NS("no")];
1386         }
1387     } else {
1388         /* we are transcoding */
1389         [o_t8_fld_strmgMthd setStringValue: @"-"];
1390         [o_t8_fld_destination setStringValue: @"-"];
1391         [o_t8_fld_ttl setStringValue: @"-"];
1392         [o_t8_fld_sap setStringValue: @"-"];
1393         [o_t8_fld_saveFileTo setStringValue: [o_userSelections objectForKey: \
1394             @"trnscdFilePath"]];
1395     }
1396     [o_t8_fld_encapFormat setStringValue: [[o_encapFormats objectAtIndex: \
1397         [[o_userSelections objectForKey:@"encapFormat"] intValue]] objectAtIndex:1]];
1398
1399     [self createOpts];
1400     [o_t8_fld_mrl setStringValue: [[o_userSelections objectForKey:@"opts"]
1401         objectAtIndex: 0]];
1402
1403     [o_tab_pageHolder selectTabViewItemAtIndex:7];
1404 }
1405
1406 - (void) createOpts
1407 {
1408     NSMutableString * o_opts_string = [NSMutableString stringWithString:@""];
1409     NSMutableString *o_trnscdCmd = [NSMutableString stringWithString:@""];
1410     NSMutableString *o_duplicateCmd = [NSMutableString stringWithString:@""];
1411     int x = 0;
1412     int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1413     NSMutableArray * tempArray = [[NSMutableArray alloc] init];
1414
1415     /* loop to create an opt-string for each item we're processing */
1416     while( x != y )
1417     {
1418         /* check whether we transcode the audio and/or the video and compose a
1419          * string reflecting the settings, if needed */
1420         if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
1421         {
1422             [o_trnscdCmd appendString: @"transcode{"];
1423             [o_trnscdCmd appendFormat: @"vcodec=%s,vb=%i", [[[o_videoCodecs \
1424                 objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] \
1425                 intValue]] objectAtIndex:1] UTF8String],  [[o_userSelections \
1426                 objectForKey:@"trnscdVideoBitrate"] intValue]];
1427             if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1428             {
1429                 [o_trnscdCmd appendString: @","];
1430             }
1431             else
1432             {
1433                 [o_trnscdCmd appendString: @"}:"];
1434             }
1435         }
1436
1437         /* check whether the user requested local playback. if yes, prepare the
1438          * string, if not, let it empty */
1439         if ([[o_userSelections objectForKey:@"localPb"] isEqualToString:@"YES"])
1440         {
1441             [o_duplicateCmd appendString: @"duplicate{dst=display,dst=\""];
1442         }
1443
1444         if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1445         {
1446             if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"NO"])
1447             {
1448                 /* in case we transcode the audio only, add this */
1449                 [o_trnscdCmd appendString: @"transcode{"];
1450             }
1451             [o_trnscdCmd appendFormat: @"acodec=%s,ab=%i}:", [[[o_audioCodecs \
1452                 objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] \
1453                 intValue]] objectAtIndex:1] UTF8String],  [[o_userSelections \
1454                 objectForKey:@"trnscdAudioBitrate"] intValue]];
1455         }
1456
1457         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"trnscd"])
1458         {
1459             /* we are just transcoding and dumping the stuff to a file */
1460             [o_opts_string appendFormat: \
1461                 @":sout=#%s%sstandard{mux=%s,dst=%s,access=file}", [o_duplicateCmd \
1462                 UTF8String], [o_trnscdCmd UTF8String], [[[o_encapFormats \
1463                 objectAtIndex: [[o_userSelections objectForKey:@"encapFormat"] \
1464                 intValue]] objectAtIndex:0] UTF8String], [[[o_userSelections \
1465                 objectForKey: @"trnscdFilePath"] objectAtIndex: x] UTF8String]];
1466         }
1467         else
1468         {
1469
1470             /* we are streaming */
1471             if ([[o_userSelections objectForKey:@"sap"] isEqualToString:@"YES"])
1472             {
1473                 /* SAP-Announcement is requested */
1474                 NSMutableString *o_sap_option = [NSMutableString stringWithString:@""];
1475                 if([[o_userSelections objectForKey:@"sapText"] isEqualToString:@""])
1476                 {
1477                     [o_sap_option appendString: @"sap"];
1478                 }
1479                 else
1480                 {
1481                     [o_sap_option appendFormat: @"sap,name=\"%s\"", \
1482                         [[o_userSelections objectForKey:@"sapText"] UTF8String]];
1483                 }
1484                 [o_opts_string appendFormat: \
1485                     @":sout=#%s%sstandard{mux=%s,dst=%s,access=%s,%s}", \
1486                     [o_duplicateCmd UTF8String], [o_trnscdCmd UTF8String], \
1487                     [[[o_encapFormats objectAtIndex: [[o_userSelections \
1488                     objectForKey: @"encapFormat"] intValue]] objectAtIndex:0] \
1489                     UTF8String], [[o_userSelections objectForKey: @"stmgDest"] \
1490                     UTF8String], [[[o_strmgMthds objectAtIndex: [[o_userSelections \
1491                     objectForKey: @"stmgMhd"] intValue]] objectAtIndex:0] \
1492                     UTF8String], [o_sap_option UTF8String]];
1493             }
1494             else
1495             {
1496                 /* no SAP, just streaming */
1497                 [o_opts_string appendFormat: \
1498                     @":sout=#%s%sstandard{mux=%s,dst=%s,access=%s}", \
1499                     [o_duplicateCmd UTF8String], [o_trnscdCmd UTF8String], \
1500                     [[[o_encapFormats objectAtIndex: [[o_userSelections \
1501                     objectForKey: @"encapFormat"] intValue]] objectAtIndex:0] \
1502                     UTF8String], [[o_userSelections objectForKey: \
1503                     @"stmgDest"] UTF8String], [[[o_strmgMthds objectAtIndex: \
1504                     [[o_userSelections objectForKey: @"stmgMhd"] intValue]] \
1505                     objectAtIndex:0] UTF8String]];
1506             }
1507         }
1508
1509         /* check whether the user requested local playback. if yes, close the
1510          * string with an additional bracket */
1511         if ([[o_userSelections objectForKey:@"localPb"] isEqualToString:@"YES"])
1512         {
1513             [o_opts_string appendString: @"\"}"];
1514         }
1515
1516         [tempArray addObject: o_opts_string];
1517
1518         o_opts_string = [NSMutableString stringWithString:@""];
1519         o_trnscdCmd = [NSMutableString stringWithString:@""];
1520         o_duplicateCmd = [NSMutableString stringWithString:@""];
1521         x += 1;
1522     }
1523     [o_userSelections setObject:[NSArray arrayWithArray: tempArray] forKey:@"opts"];
1524     [tempArray release];
1525 }
1526
1527 - (IBAction)prevTab:(id)sender
1528 {
1529     if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Summary"])
1530     {
1531         /* check whether we are streaming or transcoding and go back */
1532         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1533         {
1534             /* show "Streaming 2" */
1535             [o_tab_pageHolder selectTabViewItemAtIndex:5];
1536         }else{
1537             /* show "Transcode 2" */
1538             [o_tab_pageHolder selectTabViewItemAtIndex:6];
1539         }
1540         /* rename the forward-button */
1541         [o_btn_forward setTitle: _NS("Next")];
1542     }
1543     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1544         @"Transcode 2"])
1545     {
1546         /* show "Encap" */
1547         [o_tab_pageHolder selectTabViewItemAtIndex:4];
1548     }
1549     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1550         @"Streaming 2"])
1551     {
1552         /* show "Encap" */
1553         [o_tab_pageHolder selectTabViewItemAtIndex:4];
1554     }
1555     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1556         @"Encap"])
1557     {
1558         /* show "Transcode 1" */
1559         [o_tab_pageHolder selectTabViewItemAtIndex:3];
1560     }
1561     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1562         @"Streaming 1"])
1563     {
1564         /* show "Input" */
1565         [o_tab_pageHolder selectTabViewItemAtIndex:1];
1566     }
1567     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1568         @"Transcode 1"])
1569     {
1570         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1571         {
1572             /* show "Streaming 1" */
1573             [o_tab_pageHolder selectTabViewItemAtIndex:2];
1574         }else{
1575             /* show "Input" */
1576             [o_tab_pageHolder selectTabViewItemAtIndex:1];
1577         }
1578     }
1579     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
1580         @"Input"])
1581     {
1582         /* reset the wizard before going backwards. Otherwise, we might get
1583          * unwanted behaviours in the Encap-Selection */
1584         [self resetWizard];
1585         /* show "Hello" */
1586         [o_tab_pageHolder selectTabViewItemAtIndex:0];
1587         /* disable backwards-btn */
1588         [o_btn_backward setEnabled:NO];
1589     }
1590 }
1591
1592 - (IBAction)t1_mrInfo_streaming:(id)sender
1593 {
1594     /* show a sheet for the help */
1595     NSBeginInformationalAlertSheet(_NS("Stream to network"), \
1596         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1597         _NS("Use this to stream on a network."));
1598 }
1599
1600 - (IBAction)t1_mrInfo_transcode:(id)sender
1601 {
1602     /* show a sheet for the help */
1603     NSBeginInformationalAlertSheet(_NS("Transcode/Save to file"), \
1604         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1605         _NS("Use this to save a stream to a file. You "\
1606         "have the possibility to reencode the stream. You can save whatever "\
1607         "VLC can read.\nPlease notice that VLC is not very suited " \
1608         "for file to file transcoding. You should use its transcoding " \
1609         "features to save network streams, for example."));
1610 }
1611
1612 - (IBAction)t2_addNewStream:(id)sender
1613 {
1614     NSOpenPanel * openPanel = [NSOpenPanel openPanel];
1615     SEL sel = @selector(t2_getNewStreamFromDialog:returnCode:contextInfo:);
1616     [openPanel beginSheetForDirectory:nil file:nil types:nil modalForWindow: \
1617         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1618 }
1619
1620 - (void)t2_getNewStreamFromDialog: (NSOpenPanel *)sheet returnCode: \
1621     (int)returnCode contextInfo: (void *)contextInfo
1622 {
1623     if (returnCode == NSOKButton)
1624     {
1625         [o_t2_fld_pathToNewStrm setStringValue: [@"file://" \
1626             stringByAppendingString: [sheet filename]]];
1627     }
1628 }
1629
1630 - (IBAction)t2_chooseStreamOrPlst:(id)sender
1631 {
1632     /* enable and disable the respective items depending on user's choice */
1633     NSString *o_mode;
1634     o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
1635
1636     if( [o_mode isEqualToString: _NS("Select a stream")] )
1637     {
1638         [o_t2_btn_chooseFile setEnabled:YES];
1639         [o_t2_fld_pathToNewStrm setEnabled:YES];
1640         [o_t2_tbl_plst setEnabled:NO];
1641     } else {
1642         [o_t2_btn_chooseFile setEnabled:NO];
1643         [o_t2_fld_pathToNewStrm setEnabled:NO];
1644         [o_t2_tbl_plst setEnabled:YES];
1645     }
1646 }
1647
1648 - (IBAction)t2_enableExtract:(id)sender
1649 {
1650     /* enable/disable the respective items */
1651     if([o_t2_ckb_enblPartExtrct state] == NSOnState)
1652     {
1653         [o_t2_fld_prtExtrctFrom setEnabled:YES];
1654         [o_t2_fld_prtExtrctTo setEnabled:YES];
1655     } else {
1656         [o_t2_fld_prtExtrctFrom setEnabled:NO];
1657         [o_t2_fld_prtExtrctTo setEnabled:NO];
1658         [o_t2_fld_prtExtrctFrom setStringValue:@""];
1659         [o_t2_fld_prtExtrctTo setStringValue:@""];
1660     }
1661 }
1662
1663 - (IBAction)t3_strmMthdChanged:(id)sender
1664 {
1665     /* change the captions of o_t3_txt_destInfo according to the chosen
1666      * streaming method */
1667     int mode;
1668     mode = [[o_t3_matrix_stmgMhd selectedCell] tag];
1669     if( mode == 0 )
1670     {
1671         /* HTTP */
1672         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:0] \
1673             objectAtIndex:2]];
1674         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:0] \
1675             objectAtIndex:3]];
1676     }
1677     else if( mode == 1 )
1678     {
1679         /* MMS */
1680         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:1] \
1681             objectAtIndex:2]];
1682         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:1] \
1683             objectAtIndex:3]];
1684     }
1685     else if( mode == 2 )
1686     {
1687         /* UDP-Unicast */
1688         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:2] \
1689             objectAtIndex:2]];
1690         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:2] \
1691         objectAtIndex:3]];
1692     }
1693     else if( mode == 3 )
1694     {
1695         /* UDP-Multicast */
1696         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:3] \
1697             objectAtIndex:2]];
1698         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:3] \
1699         objectAtIndex:3]];
1700     }
1701     else if( mode == 4 )
1702     {
1703         /* RTP-Unicast */
1704         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:4] \
1705             objectAtIndex:2]];
1706         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:4] \
1707             objectAtIndex:3]];
1708     }
1709     else if( mode == 5 )
1710     {
1711         /* RTP-Multicast */
1712         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:5] \
1713             objectAtIndex:2]];
1714         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:5] \
1715         objectAtIndex:3]];
1716     }
1717 }
1718
1719 - (IBAction)t4_AudCdcChanged:(id)sender
1720 {
1721     /* update codec info */
1722     [o_t4_txt_hintAudio setStringValue:[[o_audioCodecs objectAtIndex: \
1723         [o_t4_pop_audioCodec indexOfSelectedItem]] objectAtIndex:2]];
1724 }
1725
1726 - (IBAction)t4_enblAudTrnscd:(id)sender
1727 {
1728     /* enable/disable the respective items */
1729     if([o_t4_ckb_audio state] == NSOnState)
1730     {
1731         [o_t4_pop_audioCodec setEnabled:YES];
1732         [o_t4_pop_audioBitrate setEnabled:YES];
1733         [o_t4_txt_hintAudio setStringValue: _NS("Select your audio codec. "\
1734         "Click one to get more information.")];
1735     } else {
1736         [o_t4_pop_audioCodec setEnabled:NO];
1737         [o_t4_pop_audioBitrate setEnabled:NO];
1738         [o_t4_txt_hintAudio setStringValue: _NS("If your stream has audio " \
1739         "and you want to transcode it, enable this.")];
1740     }
1741 }
1742
1743 - (IBAction)t4_enblVidTrnscd:(id)sender
1744 {
1745     /* enable/disable the respective items */
1746     if([o_t4_ckb_video state] == NSOnState)
1747     {
1748         [o_t4_pop_videoCodec setEnabled:YES];
1749         [o_t4_pop_videoBitrate setEnabled:YES];
1750         [o_t4_txt_hintVideo setStringValue: _NS("Select your video codec. "\
1751         "Click one to get more information.")];
1752     } else {
1753         [o_t4_pop_videoCodec setEnabled:NO];
1754         [o_t4_pop_videoBitrate setEnabled:NO];
1755         [o_t4_txt_hintVideo setStringValue: _NS("If your stream has video " \
1756         "and you want to transcode it, enable this.")];
1757     }
1758 }
1759
1760 - (IBAction)t4_VidCdcChanged:(id)sender
1761 {
1762     /* update codec info */
1763     [o_t4_txt_hintVideo setStringValue:[[o_videoCodecs objectAtIndex: \
1764         [o_t4_pop_videoCodec indexOfSelectedItem]] objectAtIndex:2]];
1765 }
1766
1767 - (IBAction)t6_enblSapAnnce:(id)sender
1768 {
1769     /* enable/disable input fld */
1770     if([o_t6_ckb_sap state] == NSOnState)
1771     {
1772         [o_t6_fld_sap setEnabled:YES];
1773     } else {
1774         [o_t6_fld_sap setEnabled:NO];
1775         [o_t6_fld_sap setStringValue:@""];
1776     }
1777 }
1778
1779 - (IBAction)t6_mrInfo_ttl:(id)sender
1780 {
1781     /* show a sheet for the help */
1782     NSBeginInformationalAlertSheet(_NS("Time-To-Live (TTL)"), \
1783         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1784         _NS("Define the TTL (Time-To-Live) of the stream. "\
1785             "This parameter is the maximum number of routers your stream can " \
1786             "go through. If you don't know what it means, or if you want to " \
1787             "stream on your local network only, leave this setting to 1."));
1788 }
1789
1790 - (IBAction)t6_mrInfo_sap:(id)sender
1791 {
1792     /* show a sheet for the help */
1793     NSBeginInformationalAlertSheet(_NS("SAP Announce"), \
1794         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1795         _NS("When streaming using UDP, you can " \
1796         "announce your streams using the SAP/SDP announcing protocol. This " \
1797         "way, the clients won't have to type in the multicast address, it " \
1798         "will appear in their playlist if they enable the SAP extra " \
1799         "interface.\nIf you want to give a name to your stream, enter it " \
1800         "here, else, a default name will be used."));
1801 }
1802
1803 - (IBAction)t67_mrInfo_local:(id)sender
1804 {
1805     /* show a sheet for the help */
1806     NSBeginInformationalAlertSheet(_NS("Local playback"), \
1807             _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
1808             _NS("When this option is enabled, the stream will be both played " \
1809             "and transcoded/streamed.\n\nNote that this requires much more " \
1810             "CPU power than simple transcoding or streaming."));
1811 }
1812
1813 - (IBAction)t7_selectTrnscdDestFile:(id)sender
1814 {
1815     /* provide a save-to-dialogue, so the user can choose a location for
1816      * his/her new file. We take a modified NSOpenPanel to select a folder
1817      * and a plain NSSavePanel to save a single file. */
1818
1819     SEL sel = @selector(t7_getTrnscdDestFile:returnCode:contextInfo:);
1820
1821     if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1822     {
1823         NSOpenPanel * saveFolderPanel = [[NSOpenPanel alloc] init];
1824
1825         [saveFolderPanel setCanChooseDirectories: YES];
1826         [saveFolderPanel setCanChooseFiles: NO];
1827         [saveFolderPanel setCanSelectHiddenExtension: NO];
1828         [saveFolderPanel setCanCreateDirectories: YES];
1829         [saveFolderPanel beginSheetForDirectory:nil file:nil modalForWindow: \
1830         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1831     }
1832     else
1833     {
1834         NSSavePanel * saveFilePanel = [[NSSavePanel alloc] init];
1835
1836         /* don't use ".ps" as suffix, since the OSX Finder confuses our
1837          * creations with PostScript-files and wants to open them with
1838          * Preview.app */
1839         NSString * theEncapFormat = [[o_encapFormats objectAtIndex: \
1840         [[o_userSelections objectForKey:@"encapFormat"] intValue]] \
1841         objectAtIndex:0];
1842         if( theEncapFormat != @"ps" )
1843             [saveFilePanel setRequiredFileType: theEncapFormat];
1844         else
1845             [saveFilePanel setRequiredFileType: @"mpg"];
1846
1847         [saveFilePanel setCanSelectHiddenExtension: YES];
1848         [saveFilePanel setCanCreateDirectories: YES];
1849         [saveFilePanel beginSheetForDirectory:nil file:nil modalForWindow: \
1850         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1851     }
1852 }
1853
1854 - (void)t7_getTrnscdDestFile: (NSOpenPanel *)sheet returnCode: \
1855     (int)returnCode contextInfo: (void *)contextInfo
1856 {
1857     if (returnCode == NSOKButton)
1858     {
1859         /* output returned path to text-field, add a / to the end if the user
1860          * selected a folder */
1861         if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1862             [o_t7_fld_filePath setStringValue: [NSString stringWithFormat: \
1863                 @"%@/", [sheet filename]]];
1864         else
1865             [o_t7_fld_filePath setStringValue:[sheet filename]];
1866     }
1867     [sheet release];
1868 }
1869
1870 @end