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

   1 /*****************************************************************************
   2  * wizard.m: MacOS X Streaming Wizard
   3  *****************************************************************************
   4  * Copyright (C) 2005-2007 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Felix Kühne <fkuehne@users.sf.net>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24
  25 /*****************************************************************************
  26  * Note: this code is partially based upon ../wxwidgets/wizard.cpp and
  27  *         ../wxwidgets/streamdata.h; both written by Clément Stenac.
  28  *****************************************************************************/
  29
  30
  31 /*****************************************************************************
  32  * Preamble
  33  *****************************************************************************/
  34 #import "wizard.h"
  35 #import "intf.h"
  36 #import "playlist.h"
  37 #import <vlc_interface.h>
  38
  39 /*****************************************************************************
  40  * VLCWizard implementation
  41  *****************************************************************************/
  42
  43 @implementation VLCWizard
  44
  45 static VLCWizard *_o_sharedInstance = nil;
  46
  47 + (VLCWizard *)sharedInstance
  48 {
  49     return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
  50 }
  51
  52 - (id)init
  53 {
  54     if (_o_sharedInstance) {
  55         [self dealloc];
  56     } else {
  57         _o_sharedInstance = [super init];
  58     }
  59
  60     return _o_sharedInstance;
  61 }
  62
  63 - (void)dealloc
  64 {
  65     [o_userSelections release];
  66     [o_videoCodecs release];
  67     [o_audioCodecs release];
  68     [o_encapFormats release];
  69     [super dealloc];
  70 }
  71
  72 - (void)awakeFromNib
  73 {
  74     /* some minor cleanup */
  75     [o_t2_tbl_plst setEnabled:NO];
  76     o_userSelections = [[NSMutableDictionary alloc] init];
  77     [o_btn_backward setEnabled:NO];
  78
  79     /* add audio-bitrates for transcoding */
  80     NSArray * audioBitratesArray;
  81     audioBitratesArray = [NSArray arrayWithObjects: @"512", @"256", @"192",
  82         @"128", @"64", @"32", @"16", nil ];
  83     [o_t4_pop_audioBitrate removeAllItems];
  84     [o_t4_pop_audioBitrate addItemsWithTitles: audioBitratesArray];
  85     [o_t4_pop_audioBitrate selectItemWithTitle: @"192"];
  86
  87     /* add video-bitrates for transcoding */
  88     NSArray * videoBitratesArray;
  89     videoBitratesArray = [NSArray arrayWithObjects: @"3072", @"2048", @"1024",
  90         @"768", @"512", @"256", @"192", @"128", @"64", @"32", @"16", nil ];
  91     [o_t4_pop_videoBitrate removeAllItems];
  92     [o_t4_pop_videoBitrate addItemsWithTitles: videoBitratesArray];
  93     [o_t4_pop_videoBitrate selectItemWithTitle: @"1024"];
  94
  95     /* fill 2 global arrays with arrays containing all codec-related information
  96      * - one array per codec named by its short name to define the encap-compability,
  97      *     cmd-names, real names, more info in the order: realName, shortName,
  98      *     moreInfo, encaps */
  99     NSArray * o_mp1v;
 100     NSArray * o_mp2v;
 101     NSArray * o_mp4v;
 102     NSArray * o_div1;
 103     NSArray * o_div2;
 104     NSArray * o_div3;
 105     NSArray * o_h263;
 106     NSArray * o_h264;
 107     NSArray * o_wmv1;
 108     NSArray * o_wmv2;
 109     NSArray * o_mjpg;
 110     NSArray * o_theo;
 111     NSArray * o_dummyVid;
 112     o_mp1v = [NSArray arrayWithObjects: @"MPEG-1 Video", @"mp1v",
 113         _NS("MPEG-1 Video codec (usable with MPEG PS, MPEG TS, MPEG1, OGG "
 114         "and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_OGG", @"MUX_RAW",
 115         @"NO", @"NO", @"NO", @"NO", nil];
 116     o_mp2v = [NSArray arrayWithObjects: @"MPEG-2 Video", @"mp2v",
 117         _NS("MPEG-2 Video codec (usable with MPEG PS, MPEG TS, MPEG1, OGG "
 118         "and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_OGG", @"MUX_RAW",
 119         @"NO", @"NO", @"NO", @"NO", nil];
 120     o_mp4v = [NSArray arrayWithObjects: @"MPEG-4 Video", @"mp4v",
 121         _NS("MPEG-4 Video codec (useable with MPEG PS, MPEG TS, MPEG1, ASF, "
 122         "MP4, OGG and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF",
 123         @"MUX_MP4", @"MUX_OGG", @"MUX_RAW", @"NO", @"NO", nil];
 124     o_div1 = [NSArray arrayWithObjects: @"DIVX 1", @"DIV1",
 125         _NS("DivX first version (useable with MPEG TS, MPEG1, ASF and OGG)"),
 126         @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO",
 127         @"NO", @"NO", nil];
 128     o_div2 = [NSArray arrayWithObjects: @"DIVX 2", @"DIV2",
 129         _NS("DivX second version (useable with MPEG TS, MPEG1, ASF and OGG)"),
 130         @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO",
 131         @"NO", @"NO", nil];
 132     o_div3 = [NSArray arrayWithObjects: @"DIVX 3", @"DIV3",
 133         _NS("DivX third version (useable with MPEG TS, MPEG1, ASF and OGG)"),
 134         @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO", @"NO",
 135         @"NO", @"NO", nil];
 136     o_h263 = [NSArray arrayWithObjects: @"H.263", @"h263",
 137         _NS("H263 is a video codec optimized for videoconference "
 138         "(low rates, useable with MPEG TS)"), @"MUX_TS", @"NO", @"NO", @"NO",
 139         @"NO", @"NO", @"NO", @"NO", @"NO", nil];
 140     o_h264 = [NSArray arrayWithObjects: @"H.264", @"h264",
 141         _NS("H264 is a new video codec (useable with MPEG TS and MP4)"),
 142         @"MUX_TS", @"MUX_MP4", @"NO", @"NO", @"NO", @"NO", @"NO", @"NO",
 143         @"NO", nil];
 144     o_wmv1 = [NSArray arrayWithObjects: @"WMV 1", @"WMV1",
 145         _NS("WMV (Windows Media Video) 1 (useable with MPEG TS, MPEG1, ASF and "
 146         "OGG)"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO",
 147         @"NO", @"NO", @"NO", nil];
 148     o_wmv2 = [NSArray arrayWithObjects: @"WMV 2", @"WMV2",
 149         _NS("WMV (Windows Media Video) 2 (useable with MPEG TS, MPEG1, ASF and "
 150         "OGG)"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG", @"NO", @"NO",
 151         @"NO", @"NO", @"NO", nil];
 152     o_mjpg = [NSArray arrayWithObjects: @"MJPEG", @"MJPG",
 153         _NS("MJPEG consists of a series of JPEG pictures (useable with MPEG TS,"
 154         " MPEG1, ASF and OGG)"), @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG",
 155         @"NO", @"NO", @"NO", @"NO", @"NO", nil];
 156     o_theo = [NSArray arrayWithObjects: @"Theora", @"theo",
 157         _NS("Theora is a free general-purpose codec (useable with MPEG TS "
 158         "and OGG)"), @"MUX_TS", @"MUX_OGG", @"NO", @"NO", @"NO", @"NO", @"NO",
 159         @"NO", @"NO", nil];
 160     o_dummyVid = [NSArray arrayWithObjects: @"Dummy", @"dummy",
 161         _NS("Dummy codec (do not transcode, useable with all encapsulation "
 162         "formats)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_MP4",
 163         @"MUX_OGG", @"MUX_WAV", @"MUX_RAW", @"MUX_MOV", nil];
 164     o_videoCodecs = [[NSArray alloc] initWithObjects: o_mp1v, o_mp2v, o_mp4v,
 165         o_div1, o_div2, o_div3, o_h263, o_h264, o_wmv1, o_wmv2, o_mjpg, o_theo,
 166         o_dummyVid, nil];
 167
 168
 169     NSArray * o_mpga;
 170     NSArray * o_mp3;
 171     NSArray * o_mp4a;
 172     NSArray * o_a52;
 173     NSArray * o_vorb;
 174     NSArray * o_flac;
 175     NSArray * o_spx;
 176     NSArray * o_s16l;
 177     NSArray * o_fl32;
 178     NSArray * o_dummyAud;
 179     o_mpga = [NSArray arrayWithObjects: @"MPEG Audio", @"mpga",
 180         _NS("The standard MPEG audio (1/2) format (useable with MPEG PS, MPEG TS, "
 181         "MPEG1, ASF, OGG and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG",
 182         @"MUX_ASF", @"MUX_OGG", @"MUX_RAW", @"-1", @"-1", @"-1", nil];
 183     o_mp3 = [NSArray arrayWithObjects: @"MP3", @"mp3",
 184         _NS("MPEG Audio Layer 3 (useable with MPEG PS, MPEG TS, MPEG1, ASF, OGG "
 185         "and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG",
 186         @"MUX_RAW", @"-1", @"-1", @"-1", nil];
 187     o_mp4a = [NSArray arrayWithObjects: @"MPEG 4 Audio", @"mp4a",
 188         _NS("Audio format for MPEG4 (useable with MPEG TS and MPEG4)"), @"MUX_TS",
 189         @"MUX_MP4", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
 190     o_a52 = [NSArray arrayWithObjects: @"A/52", @"a52",
 191         _NS("DVD audio format (useable with MPEG PS, MPEG TS, MPEG1, ASF, OGG "
 192         "and RAW)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_OGG",
 193         @"MUX_RAW", @"-1", @"-1", @"-1", nil];
 194     o_vorb = [NSArray arrayWithObjects: @"Vorbis", @"vorb",
 195         _NS("Vorbis is a free audio codec (useable with OGG)"), @"MUX_OGG",
 196         @"-1",  @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
 197     o_flac = [NSArray arrayWithObjects: @"FLAC", @"flac",
 198         _NS("FLAC is a lossless audio codec (useable with OGG and RAW)"),
 199         @"MUX_OGG", @"MUX_RAW", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1",
 200         @"-1", nil];
 201     o_spx = [NSArray arrayWithObjects: @"Speex", @"spx",
 202         _NS("A free audio codec dedicated to compression of voice (useable "
 203         "with OGG)"), @"MUX_OGG", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1",
 204         @"-1", @"-1", nil];
 205     o_s16l = [NSArray arrayWithObjects: @"Uncompressed, integer", @"s16l",
 206         _NS("Uncompressed audio samples (useable with WAV)"), @"MUX_WAV",
 207         @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
 208     o_fl32 = [NSArray arrayWithObjects: @"Uncompressed, floating point", @"fl32",
 209         _NS("Uncompressed audio samples (useable with WAV)"), @"MUX_WAV",
 210         @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", @"-1", nil];
 211     o_dummyAud = [NSArray arrayWithObjects: @"Dummy", @"dummy",
 212         _NS("Dummy codec (do not transcode, useable with all encapsulation "
 213         "formats)"), @"MUX_PS", @"MUX_TS", @"MUX_MPEG", @"MUX_ASF", @"MUX_MP4",
 214         @"MUX_OGG", @"MUX_RAW", @"MUX_MOV", @"MUX_WAV", nil];
 215     o_audioCodecs = [[NSArray alloc] initWithObjects: o_mpga, o_mp3, o_mp4a,
 216         o_a52, o_vorb, o_flac, o_spx, o_s16l, o_fl32, o_dummyAud, nil];
 217
 218
 219     /* fill another global array with all information about the encap-formats
 220      * note that the order of the formats inside the g. array is the same as on
 221      * the encap-tab */
 222     NSArray * o_ps;
 223     NSArray * o_ts;
 224     NSArray * o_mpeg;
 225     NSArray * o_ogg;
 226     NSArray * o_raw;
 227     NSArray * o_asf;
 228     NSArray * o_avi;
 229     NSArray * o_mp4;
 230     NSArray * o_mov;
 231     NSArray * o_wav;
 232     NSArray * o_asfh;
 233     o_ps = [NSArray arrayWithObjects: @"ps", @"MPEG PS",
 234         _NS("MPEG Program Stream"), @"mpg", nil];
 235     o_ts = [NSArray arrayWithObjects: @"ts", @"MPEG TS",
 236         _NS("MPEG Transport Stream"), nil];
 237     o_mpeg = [NSArray arrayWithObjects: @"ps", @"MPEG 1",
 238         _NS("MPEG 1 Format"), @"mpg", nil];
 239     o_ogg = [NSArray arrayWithObjects: @"ogg", @"OGG", @"OGG", nil];
 240     o_raw = [NSArray arrayWithObjects: @"raw", @"RAW", @"RAW", nil];
 241     o_asf = [NSArray arrayWithObjects: @"asf", @"ASF", @"ASF", nil];
 242     o_avi = [NSArray arrayWithObjects: @"avi", @"AVI", @"AVI", nil];
 243     o_mp4 = [NSArray arrayWithObjects: @"mp4", @"MP4", @"MPEG4", nil];
 244     o_mov = [NSArray arrayWithObjects: @"mov", @"MOV", @"MOV", nil];
 245     o_wav = [NSArray arrayWithObjects: @"wav", @"WAV", @"WAV", nil];
 246     o_asfh = [NSArray arrayWithObjects: @"asfh", @"ASFH", @"ASFH", nil];
 247     o_encapFormats = [[NSArray alloc] initWithObjects: o_ps, o_ts, o_mpeg,
 248         o_ogg, o_raw, o_asf, o_avi, o_mp4, o_mov, o_wav, o_asfh, nil];
 249
 250     /* yet another array on streaming methods including help texts */
 251     NSArray * o_http;
 252     NSArray * o_mms;
 253     NSArray * o_udp_uni;
 254     NSArray * o_udp_multi;
 255     NSArray * o_rtp_uni;
 256     NSArray * o_rtp_multi;
 257     o_http = [NSArray arrayWithObjects: @"http", @"HTTP", _NS("Enter the local "
 258         "addresses you want to listen requests on. Do not enter anything if "
 259         "you want to listen on all the network interfaces. This is generally "
 260         "the best thing to do. Other computers can then access the stream at "
 261         "http://yourip:8080 by default.") , _NS("Use this to stream to several "
 262         "computers. This method is not the most efficient, as the server needs "\
 263         "to send the stream several times, but generally the most compatible"), nil];
 264     o_mms = [NSArray arrayWithObjects: @"mmsh", @"MMS", _NS("Enter the local "
 265         "addresses you want to listen requests on. Do not enter anything if "
 266         "you want to listen on all the network interfaces. This is generally "
 267         "the best thing to do. Other computers can then access the stream at "
 268         "mms://yourip:8080 by default."), _NS("Use this to stream to several "
 269         "computers using the Microsoft MMS protocol. This protocol is used as "
 270         "transport method by many Microsoft's softwares. Note that only a "
 271         "small part of the MMS protocol is supported (MMS encapsulated in "
 272         "HTTP)." ), nil];
 273     o_udp_uni = [NSArray arrayWithObjects: @"udp", @"UDP-Unicast", _NS("Enter "
 274         "the address of the computer to stream to."), _NS("Use this to stream "
 275         "to a single computer."), nil];
 276     o_udp_multi = [NSArray arrayWithObjects: @"udp", @"UDP-Multicast", _NS("Enter "
 277         "the multicast address to stream to in this field. This must be an IP "
 278         "address between 224.0.0.0 and 239.255.255.255. For a private use, "
 279         "enter an address beginning with 239.255."), _NS("Use this to stream "
 280         "to a dynamic group of computers on a multicast-enabled network. This "
 281         "is the most efficient method to stream to several computers, but it "
 282         "won't work over the Internet."), nil];
 283     o_rtp_uni = [NSArray arrayWithObjects: @"rtp", @"RTP-Unicast", _NS("Enter the "
 284         "address of the computer to stream to.") , _NS("Use this to stream "
 285         "to a single computer. RTP headers will be added to the stream"), nil];
 286     o_rtp_multi = [NSArray arrayWithObjects: @"rtp", @"RTP-Multicast", _NS("Enter "
 287         "the multicast address to stream to in this field. This must be an IP "
 288         "address between 224.0.0.0 and 239.255.255.255. For a private use, "
 289         "enter an address beginning with 239.255."), _NS("Use this to stream "
 290         "to a dynamic group of computers on a multicast-enabled network. This "
 291         "is the most efficient method to stream to several computers, but it "
 292         "won't work over Internet. RTP headers will be added to the stream"), nil];
 293     o_strmgMthds = [[NSArray alloc] initWithObjects: o_http, o_mms,
 294         o_udp_uni, o_udp_multi, o_rtp_uni, o_rtp_multi, nil];
 295 }
 296
 297 - (void)showWizard
 298 {
 299     /* just present the window to the user */
 300     [o_wizard_window center];
 301     [o_wizard_window displayIfNeeded];
 302     [o_wizard_window makeKeyAndOrderFront:nil];
 303 }
 304
 305 - (void)resetWizard
 306 {
 307     /* go to the front page and clean up a bit */
 308     [o_userSelections removeAllObjects];
 309     [o_btn_forward setTitle: _NS("Next")];
 310     [o_tab_pageHolder selectFirstTabViewItem:self];
 311 }
 312
 313 - (void)initStrings
 314 {
 315     /* localise all strings to the users lang */
 316     /* method is called from intf.m (in method showWizard) */
 317
 318     /* general items */
 319     [o_btn_backward setTitle: _NS("Back")];
 320     [o_btn_cancel setTitle: _NS("Cancel")];
 321     [o_btn_forward setTitle: _NS("Next")];
 322     [o_wizard_window setTitle: _NS("Streaming/Transcoding Wizard")];
 323
 324     /* page one ("Hello") */
 325     [o_t1_txt_title setStringValue: _NS("Streaming/Transcoding Wizard")];
 326     [o_t1_txt_text setStringValue: _NS("This wizard allows to configure "
 327         "simple streaming or transcoding setups.")];
 328     [o_t1_btn_mrInfo_strmg setTitle: _NS("More Info")];
 329     [o_t1_btn_mrInfo_trnscd setTitle: _NS("More Info")];
 330     [o_t1_txt_notice setStringValue: _NS("This wizard only gives access to "
 331         "a small subset of VLC's streaming and transcoding capabilities. "
 332         "The Open and 'Saving/Streaming' dialogs will give access to more "
 333         "features.")];
 334     [[o_t1_matrix_strmgOrTrnscd cellAtRow:0 column:0] setTitle:
 335         _NS("Stream to network")];
 336     [[o_t1_matrix_strmgOrTrnscd cellAtRow:1 column:0] setTitle:
 337         _NS("Transcode/Save to file")];
 338
 339     /* page two ("Input") */
 340     [o_t2_title setStringValue: _NS("Choose input")];
 341     [o_t2_text setStringValue: _NS("Choose here your input stream.")];
 342     [[o_t2_matrix_inputSourceType cellAtRow:0 column:0] setTitle:
 343         _NS("Select a stream")];
 344     [[o_t2_matrix_inputSourceType cellAtRow:1 column:0] setTitle:
 345         _NS("Existing playlist item")];
 346     [o_t2_btn_chooseFile setTitle: _NS("Choose...")];
 347     [[[o_t2_tbl_plst tableColumnWithIdentifier:@"name"] headerCell]
 348         setStringValue: _NS("Title")];
 349     [[[o_t2_tbl_plst tableColumnWithIdentifier:@"artist"] headerCell]
 350         setStringValue: _NS("Author")];
 351     [[[o_t2_tbl_plst tableColumnWithIdentifier:@"duration"] headerCell]
 352      setStringValue: _NS("Duration")];
 353     [o_t2_box_prtExtrct setTitle: _NS("Partial Extract")];
 354     [o_t2_ckb_enblPartExtrct setTitle: _NS("Enable")];
 355     [o_t2_ckb_enblPartExtrct setToolTip: _NS("This can be used to read only a "
 356         "part of the stream. It must be possible to control the incoming "
 357         "stream (for example, a file or a disc, but not an UDP network stream.) "
 358         "The starting and ending times can be given in seconds.")];
 359     [o_t2_txt_prtExtrctFrom setStringValue: _NS("From")];
 360     [o_t2_txt_prtExtrctTo setStringValue: _NS("To")];
 361
 362     /* page three ("Streaming 1") */
 363     [o_t3_txt_title setStringValue: _NS("Streaming")];
 364     [o_t3_txt_text setStringValue: _NS("This page allows to select how "
 365         "the input stream will be sent.")];
 366     [o_t3_box_dest setTitle: _NS("Destination")];
 367     [o_t3_box_strmgMthd setTitle: _NS("Streaming method")];
 368     [o_t3_txt_destInfo setStringValue: _NS("Address of the computer "
 369         "to stream to.")];
 370     [[o_t3_matrix_stmgMhd cellAtRow:0 column:0] setTitle: _NS("UDP Unicast")];
 371     [[o_t3_matrix_stmgMhd cellAtRow:0 column:1] setTitle: _NS("UDP Multicast")];
 372     [o_t3_txt_strgMthdInfo setStringValue: _NS("Use this to stream to a single "
 373         "computer.")];
 374
 375     /* page four ("Transcode 1") */
 376     [o_t4_title setStringValue: _NS("Transcode")];
 377     [o_t4_text setStringValue: _NS("This page allows to change the compression "
 378         "format of the audio or video tracks. To change only "
 379         "the container format, proceed to next page.")];
 380     [o_t4_box_audio setTitle: _NS("Audio")];
 381     [o_t4_box_video setTitle: _NS("Video")];
 382     [o_t4_ckb_audio setTitle: _NS("Transcode audio")];
 383     [o_t4_ckb_video setTitle: _NS("Transcode video")];
 384     [o_t4_txt_videoBitrate setStringValue: _NS("Bitrate (kb/s)")];
 385     [o_t4_txt_videoCodec setStringValue: _NS("Codec")];
 386     [o_t4_txt_hintAudio setStringValue: _NS("Enabling this allows to transcode "\
 387     "the audio track if one is present in the stream.")];
 388     [o_t4_txt_hintVideo setStringValue: _NS("Enabling this allows to transcode "\
 389     "the video track if one is present in the stream.")];
 390
 391     /* page five ("Encap") */
 392     [o_t5_title setStringValue: _NS("Encapsulation format")];
 393     [o_t5_text setStringValue: _NS("This page allows to select how the "
 394         "stream will be encapsulated. Depending on previously chosen settings "
 395         "all formats won't be available.")];
 396
 397     /* page six ("Streaming 2") */
 398     [o_t6_title setStringValue: _NS("Additional streaming options")];
 399     [o_t6_text setStringValue: _NS("In this page, a few "
 400                               "additional streaming parameters can be set.")];
 401     [o_t6_txt_ttl setStringValue: _NS("Time-To-Live (TTL)")];
 402     [o_t6_btn_mrInfo_ttl setTitle: _NS("More Info")];
 403     [o_t6_ckb_sap setTitle: _NS("SAP Announce")];
 404     [o_t6_btn_mrInfo_sap setTitle: _NS("More Info")];
 405     [o_t6_ckb_local setTitle: _NS("Local playback")];
 406     [o_t6_btn_mrInfo_local setTitle: _NS("More Info")];
 407     [o_t6_ckb_soverlay setTitle: _NS("Add Subtitles to transcoded video")];
 408
 409     /* page seven ("Transcode 2") */
 410     [o_t7_title setStringValue: _NS("Additional transcode options")];
 411     [o_t7_text setStringValue: _NS("In this page, a few "
 412                               "additional transcoding parameters can be set.")];
 413     [o_t7_txt_saveFileTo setStringValue: _NS("Select the file to save to")];
 414     [o_t7_btn_chooseFile setTitle: _NS("Choose...")];
 415     [o_t7_ckb_local setTitle: _NS("Local playback")];
 416     [o_t7_ckb_soverlay setTitle: _NS("Add Subtitles to transcoded video")];
 417     [o_t7_ckb_soverlay setToolTip: _NS("Adds available subtitles directly to "
 418                                        "the video. These cannot be disabled "
 419                                        "by the receiving user as they become "
 420                                        "part of the image.")];
 421     [o_t7_btn_mrInfo_local setTitle: _NS("More Info")];
 422
 423     /* page eight ("Summary") */
 424     [o_t8_txt_text setStringValue: _NS("This page lists all the settings. "
 425         "Click \"Finish\" to start streaming or transcoding.")];
 426     [o_t8_txt_title setStringValue: _NS("Summary")];
 427     [o_t8_txt_destination setStringValue: [_NS("Destination")
 428         stringByAppendingString: @":"]];
 429     [o_t8_txt_encapFormat setStringValue: [_NS("Encap. format")
 430         stringByAppendingString: @":"]];
 431     [o_t8_txt_inputStream setStringValue: [_NS("Input stream")
 432         stringByAppendingString: @":"]];
 433     [o_t8_txt_partExtract setStringValue: [_NS("Partial Extract")
 434         stringByAppendingString: @":"]];
 435     [o_t8_txt_sap setStringValue: [_NS("SAP Announce")
 436         stringByAppendingString: @":"]];
 437     [o_t8_txt_saveFileTo setStringValue: [_NS("Save file to")
 438         stringByAppendingString: @":"]];
 439     [o_t8_txt_strmgMthd setStringValue: [_NS("Streaming method")
 440         stringByAppendingString: @":"]];
 441     [o_t8_txt_trnscdAudio setStringValue: [_NS("Transcode audio")
 442         stringByAppendingString: @":"]];
 443     [o_t8_txt_trnscdVideo setStringValue: [_NS("Transcode video")
 444         stringByAppendingString: @":"]];
 445     [o_t8_txt_soverlay setStringValue: [_NS("Include subtitles")
 446         stringByAppendingString: @":"]];
 447     [o_t8_txt_local setStringValue: [_NS("Local playback")
 448         stringByAppendingString: @":"]];
 449 }
 450
 451 - (void)initWithExtractValuesFrom: (NSString *)from
 452                                to: (NSString *)to
 453                            ofItem: (NSString *)item
 454 {
 455     [self resetWizard];
 456     msg_Dbg(VLCIntf, "wizard was reseted");
 457     [o_userSelections setObject:@"trnscd" forKey:@"trnscdOrStrmg"];
 458     [o_btn_backward setEnabled:YES];
 459     [o_tab_pageHolder selectTabViewItemAtIndex:1];
 460     [o_t2_fld_prtExtrctFrom setStringValue: from];
 461     [o_t2_fld_prtExtrctTo setStringValue: to];
 462     [o_t2_fld_pathToNewStrm setStringValue: item];
 463     [o_t1_matrix_strmgOrTrnscd selectCellAtRow:1 column:0];
 464     [[o_t1_matrix_strmgOrTrnscd cellAtRow:0 column:0] setState: NSOffState];
 465     [o_t2_ckb_enblPartExtrct setState: NSOnState];
 466     [self t2_enableExtract: nil];
 467     msg_Dbg(VLCIntf, "wizard interface is set");
 468
 469     [o_wizard_window center];
 470     [o_wizard_window display];
 471     [o_wizard_window makeKeyAndOrderFront:nil];
 472     msg_Dbg(VLCIntf, "wizard window displayed");
 473 }
 474
 475 - (IBAction)cancelRun:(id)sender
 476 {
 477     [o_wizard_window close];
 478 }
 479
 480 - (id)getPlaylistWizard
 481 {
 482     return o_playlist_wizard;
 483 }
 484
 485 - (IBAction)nextTab:(id)sender
 486 {
 487     if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Hello"])
 488     {
 489         /* check whether the user wants to stream or just to transcode;
 490          * store information for later usage */
 491         NSString *o_mode;
 492         o_mode = [[o_t1_matrix_strmgOrTrnscd selectedCell] title];
 493         if( [o_mode isEqualToString: _NS("Stream to network")] )
 494         {
 495             /* we will be streaming */
 496             [o_userSelections setObject:@"strmg" forKey:@"trnscdOrStrmg"];
 497         }
 498         else
 499         {
 500             /* we will just do some transcoding */
 501             [o_userSelections setObject:@"trnscd" forKey:@"trnscdOrStrmg"];
 502         }
 503         [o_btn_backward setEnabled:YES];
 504         [o_tab_pageHolder selectTabViewItemAtIndex:1];
 505
 506         /* Fill the playlist with current playlist items */
 507         [o_playlist_wizard reloadOutlineView];
 508
 509     }
 510     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Input"])
 511     {
 512         /* check whether partialExtract is enabled and store the values, if needed */
 513         if ([o_t2_ckb_enblPartExtrct state] == NSOnState)
 514         {
 515             [o_userSelections setObject:@"YES" forKey:@"partExtract"];
 516             [o_userSelections setObject:[o_t2_fld_prtExtrctFrom stringValue]
 517                 forKey:@"partExtractFrom"];
 518             [o_userSelections setObject:[o_t2_fld_prtExtrctTo stringValue]
 519                 forKey:@"partExtractTo"];
 520         }else{
 521             [o_userSelections setObject:@"NO" forKey:@"partExtract"];
 522         }
 523
 524         /* check whether we use an existing pl-item or add an new one;
 525          * store the path or the index and set a flag.
 526          * complain to the user if s/he didn't provide a path */
 527         NSString *o_mode;
 528         BOOL stop;
 529         stop = NO;
 530         o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
 531         if( [o_mode isEqualToString: _NS("Select a stream")] )
 532         {
 533             [o_userSelections setObject:@"YES" forKey:@"newStrm"];
 534             if ([[o_t2_fld_pathToNewStrm stringValue] isEqualToString: @""])
 535             {
 536                 /* set a flag that no file is selected */
 537                 stop = YES;
 538             }
 539             else
 540             {
 541                 [o_userSelections setObject:[NSArray arrayWithObject:
 542                     [o_t2_fld_pathToNewStrm stringValue]] forKey:@"pathToStrm"];
 543             }
 544         }
 545         else
 546         {
 547             if ([o_t2_tbl_plst numberOfSelectedRows] > 0)
 548             {
 549                 int x = 0;
 550                 int y = [[o_t2_tbl_plst selectedRowIndexes] count];
 551                 NSMutableArray * tempArray = [[NSMutableArray alloc] init];
 552                 while( x != y )
 553                 {
 554                     playlist_item_t *p_item =
 555                         [[o_t2_tbl_plst itemAtRow:
 556                             [[o_t2_tbl_plst selectedRowIndexes]
 557                             indexGreaterThanOrEqualToIndex: x]] pointerValue];
 558
 559                     if( p_item->i_children <= 0 )
 560                     {
 561                         char *psz_uri = input_item_GetURI( p_item->p_input );
 562                         [tempArray addObject: [NSString stringWithUTF8String:
 563                         psz_uri]];
 564                         free( psz_uri );
 565                         stop = NO;
 566                     }
 567                     else
 568                         stop = YES;
 569                     x += 1;
 570                 }
 571                 [o_userSelections setObject:[NSArray arrayWithArray: tempArray]
 572                     forKey:@"pathToStrm"];
 573                 [tempArray release];
 574             }
 575             else
 576             {
 577                 /* set a flag that no item is selected */
 578                 stop = YES;
 579             }
 580         }
 581
 582         /* show either "Streaming 1" or "Transcode 1" to the user */
 583         if (stop == NO)
 584         {
 585             if ([[o_userSelections objectForKey:@"trnscdOrStrmg"]
 586                 isEqualToString:@"strmg"])
 587             {
 588                 /* we are streaming */
 589                 [o_tab_pageHolder selectTabViewItemAtIndex:2];
 590             }else{
 591                 /* we are just transcoding */
 592
 593                 /* rebuild the menues for the codec-selections */
 594                 [self rebuildCodecMenus];
 595
 596                 [o_tab_pageHolder selectTabViewItemAtIndex:3];
 597             }
 598         } else {
 599             /* show a sheet that the user didn't select a file */
 600             NSBeginInformationalAlertSheet(_NS("No input selected"),
 601                 _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
 602                 _NS("No new stream or valid playlist item has been selected.\n\n"
 603                 "Choose one before going to the next page."));
 604         }
 605     }
 606     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
 607         @"Streaming 1"])
 608     {
 609         /* rebuild the menues for the codec-selections */
 610         [self rebuildCodecMenus];
 611
 612         /* check which streaming method is selected and store it */
 613         int mode;
 614         mode = [[o_t3_matrix_stmgMhd selectedCell] tag];
 615         if( mode == 0 )
 616         {
 617             /* HTTP Streaming */
 618             [o_userSelections setObject:@"0" forKey:@"stmgMhd"];
 619
 620             /* disable all codecs which don't support MPEG PS, MPEG TS, MPEG 1,
 621              * OGG, RAW or ASF */
 622             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 623             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
 624
 625         } else if ( mode == 1 )
 626         {
 627             /* MMS Streaming */
 628             [o_userSelections setObject:@"1" forKey:@"stmgMhd"];
 629
 630             /* disable all codecs which don't support ASF / ASFH */
 631             [o_t4_pop_audioCodec removeItemWithTitle:@"MPEG 4 Audio"];
 632             [o_t4_pop_audioCodec removeItemWithTitle:@"Vorbis"];
 633             [o_t4_pop_audioCodec removeItemWithTitle:@"FLAC"];
 634             [o_t4_pop_audioCodec removeItemWithTitle:@"Speex"];
 635             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 636             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
 637
 638             [o_t4_pop_videoCodec removeItemWithTitle:@"MPEG-1 Video"];
 639             [o_t4_pop_videoCodec removeItemWithTitle:@"MPEG-2 Video"];
 640             [o_t4_pop_videoCodec removeItemWithTitle:@"H.263"];
 641             [o_t4_pop_videoCodec removeItemWithTitle:@"H.264"];
 642             [o_t4_pop_videoCodec removeItemWithTitle:@"MJPEG"];
 643             [o_t4_pop_videoCodec removeItemWithTitle:@"Theora"];
 644         } else {
 645             /* RTP/UDP Unicast/Multicast Streaming */
 646             [o_userSelections setObject: [[NSNumber numberWithInt: mode]
 647                 stringValue] forKey:@"stmgMhd"];
 648
 649             /* disable all codecs which don't support MPEG-TS */
 650             [o_t4_pop_audioCodec removeItemWithTitle:@"Vorbis"];
 651             [o_t4_pop_audioCodec removeItemWithTitle:@"FLAC"];
 652             [o_t4_pop_audioCodec removeItemWithTitle:@"Speex"];
 653             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 654             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
 655         }
 656
 657         /* store the destination and check whether is it empty */
 658         if([[o_userSelections objectForKey:@"stmgMhd"] intValue] >=2 )
 659         {
 660            /* empty field is valid for HTTP and MMS */
 661             if( [[o_t3_fld_address stringValue] isEqualToString: @""] )
 662             {
 663                 /* complain to the user that "" is no valid dest. */
 664                 NSBeginInformationalAlertSheet(_NS("No valid destination"),
 665                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
 666                     _NS("A valid destination has to be selected "
 667                     "Enter either a Unicast-IP or a Multicast-IP."
 668                     "\n\nIf you don't know what this means, have a look at "
 669                     "the VLC Streaming HOWTO and the help texts in this "
 670                     "window."));
 671             } else {
 672                 /* FIXME: check whether the entered IP is really valid */
 673                 [o_userSelections setObject:[o_t3_fld_address stringValue]
 674                     forKey:@"stmgDest"];
 675                 /* let's go to the transcode-1-tab */
 676                 [o_tab_pageHolder selectTabViewItemAtIndex:3];
 677             }
 678         } else {
 679             [o_userSelections setObject:[o_t3_fld_address stringValue]
 680                 forKey:@"stmgDest"];
 681             /* let's go to the transcode-1-tab */
 682             [o_tab_pageHolder selectTabViewItemAtIndex:3];
 683         }
 684     }
 685     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
 686         @"Transcode 1"])
 687     {
 688         /* check whether the user wants to transcode the video-track and store
 689          * the related options */
 690         if ([o_t4_ckb_video state] == NSOnState)
 691         {
 692             NSNumber * theNum;
 693             theNum = [NSNumber numberWithInt:[o_t4_pop_videoCodec indexOfSelectedItem]];
 694             [o_userSelections setObject:@"YES" forKey:@"trnscdVideo"];
 695             [o_userSelections setObject:[o_t4_pop_videoBitrate titleOfSelectedItem]
 696                 forKey:@"trnscdVideoBitrate"];
 697             [o_userSelections setObject:theNum forKey:@"trnscdVideoCodec"];
 698         } else {
 699             [o_userSelections setObject:@"NO" forKey:@"trnscdVideo"];
 700         }
 701
 702         /* check whether the user wants to transcode the audio-track and store
 703          * the related options */
 704         if ([o_t4_ckb_audio state] == NSOnState)
 705         {
 706             NSNumber * theNum;
 707             theNum = [NSNumber numberWithInt:[o_t4_pop_audioCodec indexOfSelectedItem]];
 708             [o_userSelections setObject:@"YES" forKey:@"trnscdAudio"];
 709             [o_userSelections setObject:[o_t4_pop_audioBitrate titleOfSelectedItem]
 710                 forKey:@"trnscdAudioBitrate"];
 711             [o_userSelections setObject:theNum forKey:@"trnscdAudioCodec"];
 712         } else {
 713             [o_userSelections setObject:@"NO" forKey:@"trnscdAudio"];
 714         }
 715
 716         /* disable all encap-formats */
 717         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
 718         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:NO];
 719         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
 720         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
 721         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
 722         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
 723         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
 724         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
 725         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
 726         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
 727         [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
 728
 729         /* re-enable the encap-formats supported by the chosen codecs */
 730         /* FIXME: the following is a really bad coding-style. feel free to mail
 731             me ideas how to make this nicer, if you want to -- FK, 7/11/05 */
 732
 733         if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualTo: @"YES"])
 734         {
 735             if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
 736             {
 737                 /* we are transcoding both audio and video, so we need to check both deps */
 738                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 739                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
 740                 {
 741                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections
 742                         objectForKey:@"trnscdAudioCodec"] intValue]]
 743                         containsObject: @"MUX_PS"])
 744                     {
 745                         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 746                         [o_t5_matrix_encap selectCellAtRow:0 column:0];
 747                     }
 748                 }
 749                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections
 750                     objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
 751                 {
 752                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 753                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
 754                     {
 755                         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 756                         [o_t5_matrix_encap selectCellAtRow:1 column:0];
 757                     }
 758                 }
 759                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 760                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
 761                 {
 762                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 763                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
 764                     {
 765                         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 766                         [o_t5_matrix_encap selectCellAtRow:2 column:0];
 767                     }
 768                 }
 769                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 770                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
 771                 {
 772                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections
 773                         objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
 774                     {
 775                         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 776                         [o_t5_matrix_encap selectCellAtRow:3 column:0];
 777                     }
 778                 }
 779                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 780                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
 781                 {
 782                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 783                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
 784                     {
 785                         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 786                         [o_t5_matrix_encap selectCellAtRow:4 column:0];
 787                     }
 788                 }
 789                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 790                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
 791                 {
 792                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 793                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
 794                     {
 795                         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 796                         [o_t5_matrix_encap selectCellAtRow:5 column:0];
 797                     }
 798                 }
 799                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 800                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
 801                 {
 802                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 803                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
 804                     {
 805                         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 806                         [o_t5_matrix_encap selectCellAtRow:6 column:0];
 807                     }
 808                 }
 809                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 810                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
 811                 {
 812                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 813                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
 814                     {
 815                         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 816                         [o_t5_matrix_encap selectCellAtRow:7 column:0];
 817                     }
 818                 }
 819                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 820                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
 821                 {
 822                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 823                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
 824                     {
 825                         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 826                         [o_t5_matrix_encap selectCellAtRow:8 column:0];
 827                     }
 828                 }
 829                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 830                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
 831                 {
 832                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 833                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
 834                     {
 835                         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 836                         [o_t5_matrix_encap selectCellAtRow:9 column:0];
 837                     }
 838                 }
 839
 840             } else {
 841
 842                 /* we just transcoding the audio */
 843
 844                 /* select formats supported by the audio codec */
 845                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 846                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_PS"])
 847                 {
 848                     [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 849                     [o_t5_matrix_encap selectCellAtRow:0 column:0];
 850                 }
 851                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 852                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
 853                 {
 854                     [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 855                     [o_t5_matrix_encap selectCellAtRow:1 column:0];
 856                 }
 857                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 858                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
 859                 {
 860                     [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 861                     [o_t5_matrix_encap selectCellAtRow:2 column:0];
 862                 }
 863                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 864                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
 865                 {
 866                     [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 867                     [o_t5_matrix_encap selectCellAtRow:3 column:0];
 868                 }
 869                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 870                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
 871                 {
 872                     [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 873                     [o_t5_matrix_encap selectCellAtRow:4 column:0];
 874                 }
 875                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 876                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
 877                 {
 878                     [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 879                     [o_t5_matrix_encap selectCellAtRow:5 column:0];
 880                 }
 881                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 882                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
 883                 {
 884                     [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 885                     [o_t5_matrix_encap selectCellAtRow:6 column:0];
 886                 }
 887                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 888                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
 889                 {
 890                     [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 891                     [o_t5_matrix_encap selectCellAtRow:7 column:0];
 892                 }
 893                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 894                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
 895                 {
 896                     [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 897                     [o_t5_matrix_encap selectCellAtRow:8 column:0];
 898                 }
 899                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 900                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
 901                 {
 902                     [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 903                     [o_t5_matrix_encap selectCellAtRow:9 column:0];
 904                 }
 905             }
 906         }
 907         else if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
 908         {
 909             /* we are just transcoding the video */
 910
 911             /* select formats supported by the video-codec */
 912
 913             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 914                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
 915             {
 916                 [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 917                 [o_t5_matrix_encap selectCellAtRow:0 column:0];
 918             }
 919             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 920                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
 921             {
 922                 [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 923                 [o_t5_matrix_encap selectCellAtRow:1 column:0];
 924             }
 925             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 926                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
 927             {
 928                 [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 929                 [o_t5_matrix_encap selectCellAtRow:2 column:0];
 930             }
 931             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 932                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
 933             {
 934                 [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 935                 [o_t5_matrix_encap selectCellAtRow:3 column:0];
 936             }
 937             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 938                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
 939             {
 940                 [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 941                 [o_t5_matrix_encap selectCellAtRow:4 column:0];
 942             }
 943             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 944                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
 945             {
 946                 [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 947                 [o_t5_matrix_encap selectCellAtRow:5 column:0];
 948             }
 949             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 950                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
 951             {
 952                 [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 953                 [o_t5_matrix_encap selectCellAtRow:6 column:0];
 954             }
 955             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 956                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
 957             {
 958                 [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 959                 [o_t5_matrix_encap selectCellAtRow:7 column:0];
 960             }
 961             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 962                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
 963             {
 964                 [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 965                 [o_t5_matrix_encap selectCellAtRow:8 column:0];
 966             }
 967             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 968                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
 969             {
 970                 [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 971                 [o_t5_matrix_encap selectCellAtRow:9 column:0];
 972             }
 973         } else {
 974             /* we don't do any transcoding
 975              * -> enabled the encap-formats allowed when streaming content via
 976              * http plus MP4 since this should work fine in most cases */
 977
 978             /* FIXME: choose a selection of encap-formats based upon the
 979              * actually used codecs */
 980
 981             /* enable MPEG PS, MPEG TS, MPEG 1, OGG, RAW, ASF, MP4 and MOV
 982              * select MPEG PS */
 983             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 984             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 985             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 986             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 987             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 988             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 989             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
 990             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 991             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 992             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
 993             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
 994             [o_t5_matrix_encap selectCellAtRow:0 column:0];
 995         }
 996
 997         if ( [o_userSelections objectForKey:@"stmgMhd"] == @"1" )
 998         {
 999             /* if MMS is the streaming protocol, only ASFH is available */
1000             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
1001             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:NO];
1002             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
1003             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
1004             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
1005             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
1006             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1007             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1008             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1009             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1010             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:YES];
1011             [o_t5_matrix_encap selectCellAtRow:10 column:0];
1012         }
1013         else if ( [o_userSelections objectForKey:@"stmgMhd"] == @"0" )
1014         {
1015             /* if HTTP is the streaming protocol, disable all unsupported
1016              * encap-formats, but don't touch the other ones selected above */
1017             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1018             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1019             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1020             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1021             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1022         }
1023         else if ( [[o_userSelections objectForKey:@"stmgMhd"] intValue] >= 2 )
1024         {
1025             /* if UDP/RTP is the streaming protocol, only MPEG-TS is available */
1026             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
1027             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
1028             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
1029             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
1030             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
1031             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1032             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1033             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1034             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1035             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1036             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
1037             [o_t5_matrix_encap selectCellAtRow:1 column:0];
1038         }
1039         int x;
1040         BOOL anythingEnabled;
1041         x = 0;
1042         anythingEnabled = NO;
1043         while (x != [o_t5_matrix_encap numberOfRows])
1044         {
1045             if ([[o_t5_matrix_encap cellAtRow:x column:0] isEnabled])
1046             {
1047                 anythingEnabled = YES;
1048             }
1049             x += 1;
1050         }
1051         if (anythingEnabled == YES)
1052         {
1053             /* go the encap-tab */
1054             [o_tab_pageHolder selectTabViewItemAtIndex:4];
1055         } else {
1056             /* show a sheet that the selected codecs are not compatible */
1057             NSBeginInformationalAlertSheet(_NS("Invalid selection"), _NS("OK"),
1058                 @"", @"", o_wizard_window, nil, nil, nil, nil, _NS("The "
1059                 "chosen codecs are not compatible with each other. For example: "
1060                 "It is impossibleto  mix uncompressed audio with any video codec.\n\n"
1061                 "Correct your selection and try again."));
1062         }
1063
1064     }
1065     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Encap"])
1066     {
1067         /* get the chosen encap format and store it */
1068         NSNumber * theNum;
1069         theNum = [NSNumber numberWithInt:[[o_t5_matrix_encap selectedCell] tag]];
1070         [o_userSelections setObject:[theNum stringValue] forKey:@"encapFormat"];
1071
1072         /* show either "Streaming 2" or "Transcode 2" to the user */
1073         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1074         {
1075             /* we are streaming */
1076             [o_tab_pageHolder selectTabViewItemAtIndex:5];
1077         }else{
1078             /* we are just transcoding */
1079             [o_tab_pageHolder selectTabViewItemAtIndex:6];
1080             /* in case that we are processing multiple items, let the user
1081              * select a folder instead of a localtion for a single item */
1082             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1083             {
1084                 [o_t7_txt_saveFileTo setStringValue:
1085                     _NS("Select the directory to save to")];
1086             }
1087             else
1088             {
1089                 [o_t7_txt_saveFileTo setStringValue:
1090                     _NS("Select the file to save to")];
1091             }
1092         }
1093     }
1094     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1095         @"Streaming 2"])
1096     {
1097         /* store the chosen TTL */
1098         [o_userSelections setObject:[o_t6_fld_ttl stringValue] forKey:@"ttl"];
1099
1100         /* check whether SAP is enabled and store the announce, if needed */
1101         if ([o_t6_ckb_sap state] == NSOnState)
1102         {
1103             [o_userSelections setObject:@"YES" forKey:@"sap"];
1104             [o_userSelections setObject:[o_t6_fld_sap stringValue] forKey:@"sapText"];
1105         } else {
1106             [o_userSelections setObject:@"NO" forKey:@"sap"];
1107         }
1108
1109         /* local playback? */
1110         if ([o_t6_ckb_local state] == NSOnState)
1111         {
1112             [o_userSelections setObject:@"YES" forKey:@"localPb"];
1113         } else {
1114             [o_userSelections setObject:@"NO" forKey:@"localPb"];
1115         }
1116
1117         /* include subtitles? */
1118         [o_userSelections setObject:
1119             [[NSNumber numberWithInt:[o_t6_ckb_soverlay state]] stringValue]
1120                              forKey: @"soverlay"];
1121
1122         /* go to "Summary" */
1123         [self showSummary];
1124     }
1125     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1126         @"Transcode 2"])
1127     {
1128         /* local playback? */
1129         if ([o_t7_ckb_local state] == NSOnState)
1130         {
1131             [o_userSelections setObject:@"YES" forKey:@"localPb"];
1132         } else {
1133             [o_userSelections setObject:@"NO" forKey:@"localPb"];
1134         }
1135
1136         /* check whether the path != "" and store it */
1137         if( [[o_t7_fld_filePath stringValue] isEqualToString: @""] )
1138         {
1139             /* complain to the user that "" is no valid path for a folder/file */
1140             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1141                 NSBeginInformationalAlertSheet(_NS("No folder selected"),
1142                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
1143                     [NSString stringWithFormat: @"%@\n\n%@", _NS("A directory "
1144                     "where to save the files has to be selected."),
1145                     _NS("Enter either a valid path or use the \"Choose...\" "
1146                     "button to select a location.")]);
1147             else
1148                 NSBeginInformationalAlertSheet(_NS("No file selected"),
1149                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
1150                     [NSString stringWithFormat: @"%@\n\n%@", _NS("A file "
1151                     "where to save the stream has to be selected."),
1152                     _NS("Enter either a valid path or use the \"Choose\" "
1153                     "button to select a location.")]);
1154         } else {
1155             /* create a string containing the requested suffix for later usage */
1156             NSString * theEncapFormat = [[o_encapFormats objectAtIndex:
1157                 [[o_userSelections objectForKey:@"encapFormat"] intValue]]
1158                 objectAtIndex:0];
1159             if( theEncapFormat == @"ps" )
1160                 theEncapFormat = @"mpg";
1161
1162             /* look whether we need to process multiple items or not.
1163              * choose a faster variant if we just want a single item */
1164             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1165             {
1166                 NSMutableArray * tempArray = [[NSMutableArray alloc] init];
1167                 int x = 0;
1168                 int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1169                 NSMutableString * tempString = [[NSMutableString alloc] init];
1170                 while( x != y )
1171                 {
1172                     NSString * fileNameToUse;
1173                     /* check whether the extension is hidden or not.
1174                      * if not, remove it
1175                      * we need the casting to make GCC4 happy */
1176                     if( [[[NSFileManager defaultManager] fileAttributesAtPath:
1177                         [[o_userSelections objectForKey:@"pathToStrm"]
1178                         objectAtIndex: x] traverseLink: NO] objectForKey:
1179                         NSFileExtensionHidden] )
1180                         fileNameToUse = [NSString stringWithString:
1181                             [[NSFileManager defaultManager] displayNameAtPath:
1182                             [[o_userSelections objectForKey:@"pathToStrm"]
1183                             objectAtIndex: x]]];
1184                     else
1185                     {
1186                         int z = 0;
1187                         int count = [[[[NSFileManager defaultManager]
1188                             displayNameAtPath:
1189                             [[o_userSelections objectForKey:@"pathToStrm"]
1190                             objectAtIndex: x]]
1191                             componentsSeparatedByString: @"."] count];
1192                         fileNameToUse = @"";
1193                         while( z < (count - 1) )
1194                         {
1195                             fileNameToUse = [fileNameToUse stringByAppendingString:
1196                                 [[[[NSFileManager defaultManager]
1197                                 displayNameAtPath:
1198                                 [[o_userSelections objectForKey:@"pathToStrm"]
1199                                 objectAtIndex: x]]
1200                                 componentsSeparatedByString: @"."]
1201                                 objectAtIndex: z]];
1202                             z += 1;
1203                         }
1204                     }
1205                     tempString = [NSString stringWithFormat: @"%@%@.%@",
1206                         [o_t7_fld_filePath stringValue],
1207                         fileNameToUse, theEncapFormat];
1208                     if( [[NSFileManager defaultManager] fileExistsAtPath:
1209                         tempString] )
1210                     {
1211                         /* we don't wanna overwrite existing files, so add an
1212                          * int to the file-name */
1213                         int additionalInt = 1;
1214                         while( additionalInt < 100 )
1215                         {
1216                             tempString = [NSString stringWithFormat:@"%@%@ %i.%@",
1217                                 [o_t7_fld_filePath stringValue],
1218                                 fileNameToUse, additionalInt, theEncapFormat];
1219                             if(! [[NSFileManager defaultManager]
1220                                 fileExistsAtPath: tempString] )
1221                                 break;
1222                             additionalInt += 1;
1223                         }
1224                         if( additionalInt >= 100 )
1225                             msg_Err( VLCIntf, "Files with the same name are "
1226                                 "already present in the destination directory. "
1227                                 "Delete these files or choose a different directory." );
1228                     }
1229                     [tempArray addObject: [tempString retain]];
1230                     x += 1;
1231                 }
1232                 [o_userSelections setObject: [NSArray arrayWithArray:tempArray]
1233                     forKey: @"trnscdFilePath"];
1234                 [tempArray release];
1235                 [tempString release];
1236             }
1237             else
1238             {
1239                 /* we don't need to check for existing items because Cocoa
1240                  * does that already when we are asking the user for a location
1241                  * to save her file */
1242                 [o_userSelections setObject: [NSArray arrayWithObject:
1243                     [o_t7_fld_filePath stringValue]] forKey: @"trnscdFilePath"];
1244             }
1245
1246             /* include subtitles ? */
1247             [o_userSelections setObject:
1248                 [[NSNumber numberWithInt:[o_t7_ckb_soverlay state]] stringValue]
1249                                  forKey: @"soverlay"];
1250
1251             /* go to "Summary" */
1252             [self showSummary];
1253         }
1254     }
1255     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1256         @"Summary"])
1257     {
1258         intf_thread_t * p_intf = VLCIntf;
1259
1260         playlist_t * p_playlist = pl_Hold( p_intf );
1261
1262         int x = 0;
1263         int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1264         while( x != y )
1265         {
1266             /* we need a temp. variable here to work-around a GCC4-bug */
1267             NSString *tempString = [NSString stringWithFormat:
1268                 @"%@ (%i/%i)", _NS("Streaming/Transcoding Wizard"),
1269                 ( x + 1 ), y];
1270             input_item_t *p_input = input_item_New( p_playlist,
1271                 [[[o_userSelections objectForKey:@"pathToStrm"]
1272                 objectAtIndex:x] UTF8String],
1273                 [tempString UTF8String] );
1274             input_item_AddOption( p_input, [[[o_userSelections
1275                 objectForKey:@"opts"] objectAtIndex: x] UTF8String]);
1276
1277             if(! [[o_userSelections objectForKey:@"partExtractFrom"]
1278                 isEqualToString:@""] )
1279             {
1280                 input_item_AddOption( p_input, [[NSString
1281                     stringWithFormat: @"start-time=%@", [o_userSelections
1282                     objectForKey: @"partExtractFrom"]] UTF8String] );
1283             }
1284
1285             if(! [[o_userSelections objectForKey:@"partExtractTo"]
1286                 isEqualToString:@""] )
1287             {
1288                 input_item_AddOption( p_input, [[NSString
1289                     stringWithFormat: @"stop-time=%@", [o_userSelections
1290                     objectForKey: @"partExtractTo"]] UTF8String] );
1291             }
1292
1293             input_item_AddOption( p_input, [[NSString stringWithFormat:
1294                 @"ttl=%@", [o_userSelections objectForKey:@"ttl"]]
1295                 UTF8String] );
1296
1297             /* FIXME: playlist_AddInput() can fail */
1298             playlist_AddInput( p_playlist, p_input, PLAYLIST_STOP,
1299                 PLAYLIST_END, true, pl_Unlocked );
1300
1301             if( x == 0 )
1302             {
1303                 /* play the first item and add the others afterwards */
1304                 PL_LOCK;
1305                 playlist_item_t *p_item = playlist_ItemGetByInput( p_playlist, p_input, pl_Locked );
1306                 playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, pl_Locked, NULL,
1307                           p_item );
1308                 PL_UNLOCK;
1309             }
1310
1311             vlc_gc_decref( p_input );
1312             x += 1;
1313         }
1314
1315         vlc_object_release( p_playlist );
1316
1317         /* close the window, since we are done */
1318         [o_wizard_window close];
1319     }
1320 }
1321
1322 - (void)rebuildCodecMenus
1323 {
1324     int savePreviousSel = 0;
1325     savePreviousSel = [o_t4_pop_videoCodec indexOfSelectedItem];
1326     [o_t4_pop_videoCodec removeAllItems];
1327     unsigned int x;
1328     x = 0;
1329     while (x != [o_videoCodecs count])
1330     {
1331         [o_t4_pop_videoCodec addItemWithTitle:[[o_videoCodecs objectAtIndex:x]
1332             objectAtIndex:0]];
1333         x += 1;
1334     }
1335     if( savePreviousSel >= 0 )
1336         [o_t4_pop_videoCodec selectItemAtIndex: savePreviousSel];
1337
1338     savePreviousSel = [o_t4_pop_audioCodec indexOfSelectedItem];
1339     [o_t4_pop_audioCodec removeAllItems];
1340     x = 0;
1341     while (x != [o_audioCodecs count])
1342     {
1343         [o_t4_pop_audioCodec addItemWithTitle:[[o_audioCodecs objectAtIndex:x]
1344             objectAtIndex:0]];
1345         x += 1;
1346     }
1347     if( savePreviousSel >= 0 )
1348         [o_t4_pop_audioCodec selectItemAtIndex: savePreviousSel];
1349 }
1350
1351 - (void)showSummary
1352 {
1353     [o_btn_forward setTitle: _NS("Finish")];
1354     /* if we will transcode multiple items, just give their number; otherwise
1355      * print the URI of the single item */
1356     if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1357         [o_t8_fld_inptStream setStringValue: [NSString stringWithFormat:
1358             _NS("%i items"),
1359             [[o_userSelections objectForKey:@"pathToStrm"] count]]];
1360     else
1361         [o_t8_fld_inptStream setStringValue:
1362             [[o_userSelections objectForKey:@"pathToStrm"] objectAtIndex: 0]];
1363
1364     if ([[o_userSelections objectForKey:@"localPb"] isEqualToString: @"YES"])
1365     {
1366         [o_t8_fld_local setStringValue: _NS("yes")];
1367     } else {
1368         [o_t8_fld_local setStringValue: _NS("no")];
1369     }
1370
1371     if ([[o_userSelections objectForKey:@"partExtract"] isEqualToString: @"YES"])
1372     {
1373         [o_t8_fld_partExtract setStringValue: [NSString stringWithFormat:
1374             _NS("yes: from %@ to %@ secs"),
1375             [o_userSelections objectForKey:@"partExtractFrom"],
1376             [o_userSelections objectForKey:@"partExtractTo"]]];
1377     } else {
1378         [o_t8_fld_partExtract setStringValue: _NS("no")];
1379     }
1380
1381     if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
1382     {
1383         [o_t8_fld_trnscdVideo setStringValue: [NSString stringWithFormat:
1384             _NS("yes: %@ @ %@ kb/s"),
1385             [[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
1386             @"trnscdVideoCodec"] intValue]] objectAtIndex:0],
1387             [o_userSelections objectForKey:@"trnscdVideoBitrate"]]];
1388     }
1389     else
1390     {
1391         [o_t8_fld_trnscdVideo setStringValue: _NS("no")];
1392     }
1393
1394     if ([[o_userSelections objectForKey:@"soverlay"] isEqualToString:@"1"])
1395         [o_t8_fld_soverlay setStringValue: _NS("yes")];
1396     else
1397         [o_t8_fld_soverlay setStringValue: _NS("no")];
1398
1399     if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1400     {
1401         [o_t8_fld_trnscdAudio setStringValue: [NSString stringWithFormat:
1402             _NS("yes: %@ @ %@ kb/s"),
1403             [[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
1404                 @"trnscdAudioCodec"] intValue]] objectAtIndex:0],
1405             [o_userSelections objectForKey:@"trnscdAudioBitrate"]]];
1406     }
1407     else
1408     {
1409         [o_t8_fld_trnscdAudio setStringValue: _NS("no")];
1410     }
1411
1412     if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1413     {
1414         /* we are streaming and perhaps also transcoding */
1415         [o_t8_fld_saveFileTo setStringValue: @"-"];
1416         [o_t8_fld_strmgMthd setStringValue: [[o_strmgMthds objectAtIndex:
1417             [[o_userSelections objectForKey:@"stmgMhd"] intValue]]
1418             objectAtIndex:1]];
1419         [o_t8_fld_destination setStringValue: [o_userSelections objectForKey:
1420             @"stmgDest"]];
1421         [o_t8_fld_ttl setStringValue: [o_userSelections objectForKey:@"ttl"]];
1422         if ([[o_userSelections objectForKey:@"sap"] isEqualToString: @"YES"])
1423         {
1424             [o_t8_fld_sap setStringValue:
1425                 [_NS("yes") stringByAppendingFormat: @": \"%@\"",
1426                     [o_userSelections objectForKey:@"sapText"]]];
1427         }else{
1428             [o_t8_fld_sap setStringValue: _NS("no")];
1429         }
1430     } else {
1431         /* we are transcoding */
1432         [o_t8_fld_strmgMthd setStringValue: @"-"];
1433         [o_t8_fld_destination setStringValue: @"-"];
1434         [o_t8_fld_ttl setStringValue: @"-"];
1435         [o_t8_fld_sap setStringValue: @"-"];
1436         /* do only show the destination of the first item and add a counter, if needed */
1437         if( [[o_userSelections objectForKey: @"trnscdFilePath"] count] > 1 )
1438             [o_t8_fld_saveFileTo setStringValue:
1439                 [NSString stringWithFormat: @"%@ (+%i)",
1440                 [[o_userSelections objectForKey: @"trnscdFilePath"] objectAtIndex:0],
1441                 ([[o_userSelections objectForKey: @"trnscdFilePath"] count] - 1)]];
1442         else
1443             [o_t8_fld_saveFileTo setStringValue:
1444                 [[o_userSelections objectForKey: @"trnscdFilePath"] objectAtIndex:0]];
1445     }
1446     [o_t8_fld_encapFormat setStringValue: [[o_encapFormats objectAtIndex:
1447         [[o_userSelections objectForKey:@"encapFormat"] intValue]] objectAtIndex:1]];
1448
1449     [self createOpts];
1450     [o_t8_fld_mrl setStringValue: [[o_userSelections objectForKey:@"opts"]
1451         objectAtIndex: 0]];
1452
1453     [o_tab_pageHolder selectTabViewItemAtIndex:7];
1454 }
1455
1456 - (void) createOpts
1457 {
1458     NSMutableString * o_opts_string = [NSMutableString stringWithString:@""];
1459     NSMutableString *o_trnscdCmd = [NSMutableString stringWithString:@""];
1460     NSMutableString *o_duplicateCmd = [NSMutableString stringWithString:@""];
1461     int x = 0;
1462     int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1463     NSMutableArray * tempArray = [[NSMutableArray alloc] init];
1464
1465     /* loop to create an opt-string for each item we're processing */
1466     while( x != y )
1467     {
1468         /* check whether we transcode the audio and/or the video and compose a
1469          * string reflecting the settings, if needed */
1470         if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
1471         {
1472             [o_trnscdCmd appendString: @"transcode{"];
1473             [o_trnscdCmd appendFormat: @"vcodec=%s,vb=%i", [[[o_videoCodecs
1474                 objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"]
1475                 intValue]] objectAtIndex:1] UTF8String],  [[o_userSelections
1476                 objectForKey:@"trnscdVideoBitrate"] intValue]];
1477             if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1478             {
1479                 [o_trnscdCmd appendString: @","];
1480             }
1481             else
1482             {
1483                 [o_trnscdCmd appendString: @"}:"];
1484             }
1485         }
1486
1487         /* check whether the user requested local playback. if yes, prepare the
1488          * string, if not, let it empty */
1489         if ([[o_userSelections objectForKey:@"localPb"] isEqualToString:@"YES"])
1490         {
1491             [o_duplicateCmd appendString: @"duplicate{dst=display,dst=\""];
1492         }
1493
1494         if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1495         {
1496             if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"NO"])
1497             {
1498                 /* in case we transcode the audio only, add this */
1499                 [o_trnscdCmd appendString: @"transcode{"];
1500             }
1501             [o_trnscdCmd appendFormat: @"acodec=%s,ab=%i}:", [[[o_audioCodecs
1502                 objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"]
1503                 intValue]] objectAtIndex:1] UTF8String],  [[o_userSelections
1504                 objectForKey:@"trnscdAudioBitrate"] intValue]];
1505         }
1506
1507         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"trnscd"])
1508         {
1509             /* we are just transcoding and dumping the stuff to a file */
1510             [o_opts_string appendFormat:
1511                 @":sout=#%s%sstandard{mux=%s,dst=%s,access=file}", [o_duplicateCmd
1512                 UTF8String], [o_trnscdCmd UTF8String], [[[o_encapFormats
1513                 objectAtIndex: [[o_userSelections objectForKey:@"encapFormat"]
1514                 intValue]] objectAtIndex:0] UTF8String], [[[o_userSelections
1515                 objectForKey: @"trnscdFilePath"] objectAtIndex: x] UTF8String]];
1516         }
1517         else
1518         {
1519
1520             /* we are streaming */
1521             if ([[o_userSelections objectForKey:@"sap"] isEqualToString:@"YES"])
1522             {
1523                 /* SAP-Announcement is requested */
1524                 NSMutableString *o_sap_option = [NSMutableString stringWithString:@""];
1525                 if([[o_userSelections objectForKey:@"sapText"] isEqualToString:@""])
1526                 {
1527                     [o_sap_option appendString: @"sap"];
1528                 }
1529                 else
1530                 {
1531                     [o_sap_option appendFormat: @"sap,name=\"%s\"",
1532                         [[o_userSelections objectForKey:@"sapText"] UTF8String]];
1533                 }
1534                 if( [[o_strmgMthds objectAtIndex: [[o_userSelections objectForKey: @"stmgMhd"] intValue]] objectAtIndex:0] == @"rtp" )
1535                 {
1536                     /* RTP is no access out, but a stream out module */
1537                     [o_opts_string appendFormat:
1538                                              @":sout=#%s%srtp{mux=%s,dst=%s,%s}",
1539                         [o_duplicateCmd UTF8String], [o_trnscdCmd UTF8String],
1540                         [[[o_encapFormats objectAtIndex: [[o_userSelections objectForKey: @"encapFormat"] intValue]] objectAtIndex:0]
1541                             UTF8String],
1542                         [[o_userSelections objectForKey: @"stmgDest"] UTF8String],
1543                         [o_sap_option UTF8String]];
1544                 }
1545                 else
1546                 {
1547                     [o_opts_string appendFormat:
1548                                              @":sout=#%s%sstandard{mux=%s,dst=%s,access=%s,%s}",
1549                         [o_duplicateCmd UTF8String], [o_trnscdCmd UTF8String],
1550                         [[[o_encapFormats objectAtIndex: [[o_userSelections objectForKey: @"encapFormat"] intValue]] objectAtIndex:0]
1551                             UTF8String],
1552                         [[o_userSelections objectForKey: @"stmgDest"] UTF8String],
1553                         [[[o_strmgMthds objectAtIndex: [[o_userSelections objectForKey: @"stmgMhd"] intValue]] objectAtIndex:0]
1554                             UTF8String],
1555                         [o_sap_option UTF8String]];
1556                 }
1557             }
1558             else
1559             {
1560                 /* no SAP, just streaming */
1561                 if( [[o_strmgMthds objectAtIndex: [[o_userSelections objectForKey: @"stmgMhd"] intValue]] objectAtIndex:0] == @"rtp" )
1562                 {
1563                     /* RTP is different from the other protocols, as it isn't provided through an access out module anymore */
1564                     [o_opts_string appendFormat:
1565                                              @":sout=#%s%srtp{mux=%s,dst=%s}",
1566                         [o_duplicateCmd UTF8String],
1567                         [o_trnscdCmd UTF8String],
1568                         [[[o_encapFormats objectAtIndex: [[o_userSelections objectForKey: @"encapFormat"] intValue]] objectAtIndex:0]
1569                             UTF8String],
1570                         [[o_userSelections objectForKey: @"stmgDest"] UTF8String]];
1571                 }
1572                 else
1573                 {
1574                     /* all other protocols are cool */
1575                     [o_opts_string appendFormat:
1576                                              @":sout=#%s%sstandard{mux=%s,dst=%s,access=%s}",
1577                         [o_duplicateCmd UTF8String],
1578                         [o_trnscdCmd UTF8String],
1579                         [[[o_encapFormats objectAtIndex: [[o_userSelections objectForKey: @"encapFormat"] intValue]] objectAtIndex:0]
1580                             UTF8String],
1581                         [[o_userSelections objectForKey: @"stmgDest"] UTF8String],
1582                         [[[o_strmgMthds objectAtIndex: [[o_userSelections objectForKey: @"stmgMhd"] intValue]] objectAtIndex:0] UTF8String]];
1583                 }
1584             }
1585         }
1586
1587         /* check whether the user requested local playback. if yes, close the
1588          * string with an additional bracket */
1589         if ([[o_userSelections objectForKey:@"localPb"] isEqualToString:@"YES"])
1590         {
1591             [o_opts_string appendString: @"\"}"];
1592         }
1593
1594         /* add subtitles to the video if desired */
1595         [o_opts_string appendFormat: @":sout-transcode-soverlay=%@",
1596                 [o_userSelections objectForKey:@"soverlay"]];
1597
1598         [tempArray addObject: o_opts_string];
1599
1600         o_opts_string = [NSMutableString stringWithString:@""];
1601         o_trnscdCmd = [NSMutableString stringWithString:@""];
1602         o_duplicateCmd = [NSMutableString stringWithString:@""];
1603         x += 1;
1604     }
1605     [o_userSelections setObject:[NSArray arrayWithArray: tempArray] forKey:@"opts"];
1606     [tempArray release];
1607 }
1608
1609 - (IBAction)prevTab:(id)sender
1610 {
1611     if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Summary"])
1612     {
1613         /* check whether we are streaming or transcoding and go back */
1614         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1615         {
1616             /* show "Streaming 2" */
1617             [o_tab_pageHolder selectTabViewItemAtIndex:5];
1618         }else{
1619             /* show "Transcode 2" */
1620             [o_tab_pageHolder selectTabViewItemAtIndex:6];
1621         }
1622         /* rename the forward-button */
1623         [o_btn_forward setTitle: _NS("Next")];
1624     }
1625     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1626         @"Transcode 2"])
1627     {
1628         /* show "Encap" */
1629         [o_tab_pageHolder selectTabViewItemAtIndex:4];
1630     }
1631     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1632         @"Streaming 2"])
1633     {
1634         /* show "Encap" */
1635         [o_tab_pageHolder selectTabViewItemAtIndex:4];
1636     }
1637     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1638         @"Encap"])
1639     {
1640         /* show "Transcode 1" */
1641         [o_tab_pageHolder selectTabViewItemAtIndex:3];
1642     }
1643     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1644         @"Streaming 1"])
1645     {
1646         /* show "Input" */
1647         [o_tab_pageHolder selectTabViewItemAtIndex:1];
1648     }
1649     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1650         @"Transcode 1"])
1651     {
1652         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1653         {
1654             /* show "Streaming 1" */
1655             [o_tab_pageHolder selectTabViewItemAtIndex:2];
1656         }else{
1657             /* show "Input" */
1658             [o_tab_pageHolder selectTabViewItemAtIndex:1];
1659         }
1660     }
1661     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1662         @"Input"])
1663     {
1664         /* reset the wizard before going backwards. Otherwise, we might get
1665          * unwanted behaviours in the Encap-Selection */
1666         [self resetWizard];
1667         /* show "Hello" */
1668         [o_tab_pageHolder selectTabViewItemAtIndex:0];
1669         /* disable backwards-btn */
1670         [o_btn_backward setEnabled:NO];
1671     }
1672 }
1673
1674 - (IBAction)t1_mrInfo_streaming:(id)sender
1675 {
1676     /* show a sheet for the help */
1677     NSBeginInformationalAlertSheet(_NS("Stream to network"),
1678         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
1679         _NS("This allows to stream on a network."));
1680 }
1681
1682 - (IBAction)t1_mrInfo_transcode:(id)sender
1683 {
1684     /* show a sheet for the help */
1685     NSBeginInformationalAlertSheet(_NS("Transcode/Save to file"),
1686         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
1687         _NS("This allows to save a stream to a file. The "
1688         "can be reencoded on the fly. Whatever "
1689         "VLC can read can be saved.\nPlease note that VLC is not very suited "
1690         "for file to file transcoding. Its transcoding "
1691         "features are however useful to save network streams, for example."));
1692 }
1693
1694 - (IBAction)t2_addNewStream:(id)sender
1695 {
1696     NSOpenPanel * openPanel = [NSOpenPanel openPanel];
1697     SEL sel = @selector(t2_getNewStreamFromDialog:returnCode:contextInfo:);
1698     [openPanel beginSheetForDirectory:nil file:nil types:nil modalForWindow:
1699         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1700 }
1701
1702 - (void)t2_getNewStreamFromDialog: (NSOpenPanel *)sheet
1703                        returnCode: (int)returnCode
1704                       contextInfo: (void *)contextInfo
1705 {
1706     if (returnCode == NSOKButton)
1707     {
1708         [o_t2_fld_pathToNewStrm setStringValue: [@"file://"
1709             stringByAppendingString: [sheet filename]]];
1710     }
1711 }
1712
1713 - (IBAction)t2_chooseStreamOrPlst:(id)sender
1714 {
1715     /* enable and disable the respective items depending on user's choice */
1716     NSString *o_mode;
1717     o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
1718
1719     if( [o_mode isEqualToString: _NS("Select a stream")] )
1720     {
1721         [o_t2_btn_chooseFile setEnabled:YES];
1722         [o_t2_fld_pathToNewStrm setEnabled:YES];
1723         [o_t2_tbl_plst setEnabled:NO];
1724     } else {
1725         [o_t2_btn_chooseFile setEnabled:NO];
1726         [o_t2_fld_pathToNewStrm setEnabled:NO];
1727         [o_t2_tbl_plst setEnabled:YES];
1728     }
1729 }
1730
1731 - (IBAction)t2_enableExtract:(id)sender
1732 {
1733     /* enable/disable the respective items */
1734     if([o_t2_ckb_enblPartExtrct state] == NSOnState)
1735     {
1736         [o_t2_fld_prtExtrctFrom setEnabled:YES];
1737         [o_t2_fld_prtExtrctTo setEnabled:YES];
1738     } else {
1739         [o_t2_fld_prtExtrctFrom setEnabled:NO];
1740         [o_t2_fld_prtExtrctTo setEnabled:NO];
1741         [o_t2_fld_prtExtrctFrom setStringValue:@""];
1742         [o_t2_fld_prtExtrctTo setStringValue:@""];
1743     }
1744 }
1745
1746 - (IBAction)t3_strmMthdChanged:(id)sender
1747 {
1748     /* change the captions of o_t3_txt_destInfo according to the chosen
1749      * streaming method */
1750     int mode;
1751     mode = [[o_t3_matrix_stmgMhd selectedCell] tag];
1752     if( mode == 0 )
1753     {
1754         /* HTTP */
1755         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:0]
1756             objectAtIndex:2]];
1757         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:0]
1758             objectAtIndex:3]];
1759     }
1760     else if( mode == 1 )
1761     {
1762         /* MMS */
1763         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:1]
1764             objectAtIndex:2]];
1765         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:1]
1766             objectAtIndex:3]];
1767     }
1768     else if( mode == 2 )
1769     {
1770         /* UDP-Unicast */
1771         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:2]
1772             objectAtIndex:2]];
1773         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:2]
1774         objectAtIndex:3]];
1775     }
1776     else if( mode == 3 )
1777     {
1778         /* UDP-Multicast */
1779         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:3]
1780             objectAtIndex:2]];
1781         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:3]
1782         objectAtIndex:3]];
1783     }
1784     else if( mode == 4 )
1785     {
1786         /* RTP-Unicast */
1787         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:4]
1788             objectAtIndex:2]];
1789         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:4]
1790             objectAtIndex:3]];
1791     }
1792     else if( mode == 5 )
1793     {
1794         /* RTP-Multicast */
1795         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:5]
1796             objectAtIndex:2]];
1797         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:5]
1798         objectAtIndex:3]];
1799     }
1800 }
1801
1802 - (IBAction)t4_AudCdcChanged:(id)sender
1803 {
1804     /* update codec info */
1805     [o_t4_txt_hintAudio setStringValue:[[o_audioCodecs objectAtIndex:
1806         [o_t4_pop_audioCodec indexOfSelectedItem]] objectAtIndex:2]];
1807 }
1808
1809 - (IBAction)t4_enblAudTrnscd:(id)sender
1810 {
1811     /* enable/disable the respective items */
1812     if([o_t4_ckb_audio state] == NSOnState)
1813     {
1814         [o_t4_pop_audioCodec setEnabled:YES];
1815         [o_t4_pop_audioBitrate setEnabled:YES];
1816         [o_t4_txt_hintAudio setStringValue: _NS("Select your audio codec. "
1817         "Click one to get more information.")];
1818     } else {
1819         [o_t4_pop_audioCodec setEnabled:NO];
1820         [o_t4_pop_audioBitrate setEnabled:NO];
1821         [o_t4_txt_hintAudio setStringValue: _NS("Enabling this allows to transcode "
1822         "the audio track if one is present in the stream.")];
1823     }
1824 }
1825
1826 - (IBAction)t4_enblVidTrnscd:(id)sender
1827 {
1828     /* enable/disable the respective items */
1829     if([o_t4_ckb_video state] == NSOnState)
1830     {
1831         [o_t4_pop_videoCodec setEnabled:YES];
1832         [o_t4_pop_videoBitrate setEnabled:YES];
1833         [o_t4_txt_hintVideo setStringValue: _NS("Select your video codec. "\
1834         "Click one to get more information.")];
1835     } else {
1836         [o_t4_pop_videoCodec setEnabled:NO];
1837         [o_t4_pop_videoBitrate setEnabled:NO];
1838         [o_t4_txt_hintVideo setStringValue: _NS("Enabling this allows to transcode "
1839         "the video track if one is present in the stream.")];
1840
1841     }
1842 }
1843
1844 - (IBAction)t4_VidCdcChanged:(id)sender
1845 {
1846     /* update codec info */
1847     [o_t4_txt_hintVideo setStringValue:[[o_videoCodecs objectAtIndex:
1848         [o_t4_pop_videoCodec indexOfSelectedItem]] objectAtIndex:2]];
1849 }
1850
1851 - (IBAction)t6_enblSapAnnce:(id)sender
1852 {
1853     /* enable/disable input fld */
1854     if([o_t6_ckb_sap state] == NSOnState)
1855     {
1856         [o_t6_fld_sap setEnabled:YES];
1857     } else {
1858         [o_t6_fld_sap setEnabled:NO];
1859         [o_t6_fld_sap setStringValue:@""];
1860     }
1861 }
1862
1863 - (IBAction)t6_mrInfo_ttl:(id)sender
1864 {
1865     /* show a sheet for the help */
1866     NSBeginInformationalAlertSheet(_NS("Time-To-Live (TTL)"),
1867         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
1868         _NS("This allows to define the TTL (Time-To-Live) of the stream. "
1869             "This parameter is the maximum number of routers your stream can "
1870             "go through. If you don't know what it means, or if you want to "
1871             "stream on your local network only, leave this setting to 1."));
1872 }
1873
1874 - (IBAction)t6_mrInfo_sap:(id)sender
1875 {
1876     /* show a sheet for the help */
1877     NSBeginInformationalAlertSheet(_NS("SAP Announce"),
1878         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
1879         _NS("When streaming using UDP, the streams can be "
1880         "announced using the SAP/SDP announcing protocol. This "
1881         "way, the clients won't have to type in the multicast address, it "
1882         "will appear in their playlist if they enable the SAP extra "
1883         "interface.\nIf you want to give a name to your stream, enter it "
1884         "here, else, a default name will be used."));
1885 }
1886
1887 - (IBAction)t67_mrInfo_local:(id)sender
1888 {
1889     /* show a sheet for the help */
1890     NSBeginInformationalAlertSheet(_NS("Local playback"),
1891             _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
1892             _NS("When this option is enabled, the stream will be both played "
1893             "and transcoded/streamed.\n\nNote that this requires much more "
1894             "CPU power than simple transcoding or streaming."));
1895 }
1896
1897 - (IBAction)t7_selectTrnscdDestFile:(id)sender
1898 {
1899     /* provide a save-to-dialogue, so the user can choose a location for
1900      * his/her new file. We take a modified NSOpenPanel to select a folder
1901      * and a plain NSSavePanel to save a single file. */
1902
1903     SEL sel = @selector(t7_getTrnscdDestFile:returnCode:contextInfo:);
1904
1905     if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1906     {
1907         NSOpenPanel * saveFolderPanel = [[NSOpenPanel alloc] init];
1908
1909         [saveFolderPanel setCanChooseDirectories: YES];
1910         [saveFolderPanel setCanChooseFiles: NO];
1911         [saveFolderPanel setCanSelectHiddenExtension: NO];
1912         [saveFolderPanel setCanCreateDirectories: YES];
1913         [saveFolderPanel beginSheetForDirectory:nil file:nil modalForWindow:
1914         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1915     }
1916     else
1917     {
1918         NSSavePanel * saveFilePanel = [[NSSavePanel alloc] init];
1919
1920         /* don't use ".ps" as suffix, since the OSX Finder confuses our
1921          * creations with PostScript-files and wants to open them with
1922          * Preview.app */
1923         NSString * theEncapFormat = [[o_encapFormats objectAtIndex:
1924         [[o_userSelections objectForKey:@"encapFormat"] intValue]]
1925         objectAtIndex:0];
1926         if( theEncapFormat != @"ps" )
1927             [saveFilePanel setRequiredFileType: theEncapFormat];
1928         else
1929             [saveFilePanel setRequiredFileType: @"mpg"];
1930
1931         [saveFilePanel setCanSelectHiddenExtension: YES];
1932         [saveFilePanel setCanCreateDirectories: YES];
1933         [saveFilePanel beginSheetForDirectory:nil file:nil modalForWindow:
1934         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1935     }
1936 }
1937
1938 - (void)t7_getTrnscdDestFile: (NSOpenPanel *)sheet returnCode:
1939     (int)returnCode contextInfo: (void *)contextInfo
1940 {
1941     if (returnCode == NSOKButton)
1942     {
1943         /* output returned path to text-field, add a / to the end if the user
1944          * selected a folder */
1945         if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1946             [o_t7_fld_filePath setStringValue: [NSString stringWithFormat:
1947                 @"%@/", [sheet filename]]];
1948         else
1949             [o_t7_fld_filePath setStringValue:[sheet filename]];
1950     }
1951     [sheet release];
1952 }
1953
1954 @end