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

   1 /*****************************************************************************
   2  * wizard.m: MacOS X Streaming Wizard
   3  *****************************************************************************
   4  * Copyright (C) 2005-2008 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: psz_uri]];
 563                         free( psz_uri );
 564                         stop = NO;
 565                     }
 566                     else
 567                         stop = YES;
 568                     x += 1;
 569                 }
 570                 [o_userSelections setObject:[NSArray arrayWithArray: tempArray]
 571                     forKey:@"pathToStrm"];
 572                 [tempArray release];
 573             }
 574             else
 575             {
 576                 /* set a flag that no item is selected */
 577                 stop = YES;
 578             }
 579         }
 580
 581         /* show either "Streaming 1" or "Transcode 1" to the user */
 582         if (stop == NO)
 583         {
 584             if ([[o_userSelections objectForKey:@"trnscdOrStrmg"]
 585                 isEqualToString:@"strmg"])
 586             {
 587                 /* we are streaming */
 588                 [o_tab_pageHolder selectTabViewItemAtIndex:2];
 589             }else{
 590                 /* we are just transcoding */
 591
 592                 /* rebuild the menues for the codec-selections */
 593                 [self rebuildCodecMenus];
 594
 595                 [o_tab_pageHolder selectTabViewItemAtIndex:3];
 596             }
 597         } else {
 598             /* show a sheet that the user didn't select a file */
 599             NSBeginInformationalAlertSheet(_NS("No input selected"),
 600                 _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
 601                 _NS("No new stream or valid playlist item has been selected.\n\n"
 602                 "Choose one before going to the next page."));
 603         }
 604     }
 605     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
 606         @"Streaming 1"])
 607     {
 608         /* rebuild the menues for the codec-selections */
 609         [self rebuildCodecMenus];
 610
 611         /* check which streaming method is selected and store it */
 612         int mode;
 613         mode = [[o_t3_matrix_stmgMhd selectedCell] tag];
 614         if( mode == 0 )
 615         {
 616             /* HTTP Streaming */
 617             [o_userSelections setObject:@"0" forKey:@"stmgMhd"];
 618
 619             /* disable all codecs which don't support MPEG PS, MPEG TS, MPEG 1,
 620              * OGG, RAW or ASF */
 621             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 622             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
 623
 624         } else if ( mode == 1 )
 625         {
 626             /* MMS Streaming */
 627             [o_userSelections setObject:@"1" forKey:@"stmgMhd"];
 628
 629             /* disable all codecs which don't support ASF / ASFH */
 630             [o_t4_pop_audioCodec removeItemWithTitle:@"MPEG 4 Audio"];
 631             [o_t4_pop_audioCodec removeItemWithTitle:@"Vorbis"];
 632             [o_t4_pop_audioCodec removeItemWithTitle:@"FLAC"];
 633             [o_t4_pop_audioCodec removeItemWithTitle:@"Speex"];
 634             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 635             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
 636
 637             [o_t4_pop_videoCodec removeItemWithTitle:@"MPEG-1 Video"];
 638             [o_t4_pop_videoCodec removeItemWithTitle:@"MPEG-2 Video"];
 639             [o_t4_pop_videoCodec removeItemWithTitle:@"H.263"];
 640             [o_t4_pop_videoCodec removeItemWithTitle:@"H.264"];
 641             [o_t4_pop_videoCodec removeItemWithTitle:@"MJPEG"];
 642             [o_t4_pop_videoCodec removeItemWithTitle:@"Theora"];
 643         } else {
 644             /* RTP/UDP Unicast/Multicast Streaming */
 645             [o_userSelections setObject: [[NSNumber numberWithInt: mode]
 646                 stringValue] forKey:@"stmgMhd"];
 647
 648             /* disable all codecs which don't support MPEG-TS */
 649             [o_t4_pop_audioCodec removeItemWithTitle:@"Vorbis"];
 650             [o_t4_pop_audioCodec removeItemWithTitle:@"FLAC"];
 651             [o_t4_pop_audioCodec removeItemWithTitle:@"Speex"];
 652             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
 653             [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
 654         }
 655
 656         /* store the destination and check whether is it empty */
 657         if([[o_userSelections objectForKey:@"stmgMhd"] intValue] >=2 )
 658         {
 659            /* empty field is valid for HTTP and MMS */
 660             if( [[o_t3_fld_address stringValue] isEqualToString: @""] )
 661             {
 662                 /* complain to the user that "" is no valid dest. */
 663                 NSBeginInformationalAlertSheet(_NS("No valid destination"),
 664                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
 665                     _NS("A valid destination has to be selected "
 666                     "Enter either a Unicast-IP or a Multicast-IP."
 667                     "\n\nIf you don't know what this means, have a look at "
 668                     "the VLC Streaming HOWTO and the help texts in this "
 669                     "window."));
 670             } else {
 671                 /* FIXME: check whether the entered IP is really valid */
 672                 [o_userSelections setObject:[o_t3_fld_address stringValue]
 673                     forKey:@"stmgDest"];
 674                 /* let's go to the transcode-1-tab */
 675                 [o_tab_pageHolder selectTabViewItemAtIndex:3];
 676             }
 677         } else {
 678             [o_userSelections setObject:[o_t3_fld_address stringValue]
 679                 forKey:@"stmgDest"];
 680             /* let's go to the transcode-1-tab */
 681             [o_tab_pageHolder selectTabViewItemAtIndex:3];
 682         }
 683     }
 684     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
 685         @"Transcode 1"])
 686     {
 687         /* check whether the user wants to transcode the video-track and store
 688          * the related options */
 689         if ([o_t4_ckb_video state] == NSOnState)
 690         {
 691             NSNumber * theNum;
 692             theNum = [NSNumber numberWithInt:[o_t4_pop_videoCodec indexOfSelectedItem]];
 693             [o_userSelections setObject:@"YES" forKey:@"trnscdVideo"];
 694             [o_userSelections setObject:[o_t4_pop_videoBitrate titleOfSelectedItem]
 695                 forKey:@"trnscdVideoBitrate"];
 696             [o_userSelections setObject:theNum forKey:@"trnscdVideoCodec"];
 697         } else {
 698             [o_userSelections setObject:@"NO" forKey:@"trnscdVideo"];
 699         }
 700
 701         /* check whether the user wants to transcode the audio-track and store
 702          * the related options */
 703         if ([o_t4_ckb_audio state] == NSOnState)
 704         {
 705             NSNumber * theNum;
 706             theNum = [NSNumber numberWithInt:[o_t4_pop_audioCodec indexOfSelectedItem]];
 707             [o_userSelections setObject:@"YES" forKey:@"trnscdAudio"];
 708             [o_userSelections setObject:[o_t4_pop_audioBitrate titleOfSelectedItem]
 709                 forKey:@"trnscdAudioBitrate"];
 710             [o_userSelections setObject:theNum forKey:@"trnscdAudioCodec"];
 711         } else {
 712             [o_userSelections setObject:@"NO" forKey:@"trnscdAudio"];
 713         }
 714
 715         /* store the currently selected item for further reference */
 716         int i_temp = [[o_t5_matrix_encap selectedCell] tag];
 717
 718         /* disable all encap-formats */
 719         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
 720         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:NO];
 721         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
 722         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
 723         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
 724         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
 725         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
 726         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
 727         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
 728         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
 729         [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
 730
 731         /* re-enable the encap-formats supported by the chosen codecs */
 732         /* FIXME: the following is a really bad coding-style. feel free to mail
 733             me ideas how to make this nicer, if you want to -- FK, 7/11/05 */
 734
 735         if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualTo: @"YES"])
 736         {
 737             if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
 738             {
 739                 /* we are transcoding both audio and video, so we need to check both deps */
 740                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 741                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
 742                 {
 743                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections
 744                         objectForKey:@"trnscdAudioCodec"] intValue]]
 745                         containsObject: @"MUX_PS"])
 746                     {
 747                         [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 748                         [o_t5_matrix_encap selectCellAtRow:0 column:0];
 749                     }
 750                 }
 751                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections
 752                     objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
 753                 {
 754                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 755                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
 756                     {
 757                         [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 758                         [o_t5_matrix_encap selectCellAtRow:1 column:0];
 759                     }
 760                 }
 761                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 762                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
 763                 {
 764                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 765                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
 766                     {
 767                         [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 768                         [o_t5_matrix_encap selectCellAtRow:2 column:0];
 769                     }
 770                 }
 771                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 772                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
 773                 {
 774                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections
 775                         objectForKey:@"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
 776                     {
 777                         [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 778                         [o_t5_matrix_encap selectCellAtRow:3 column:0];
 779                     }
 780                 }
 781                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 782                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
 783                 {
 784                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 785                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
 786                     {
 787                         [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 788                         [o_t5_matrix_encap selectCellAtRow:4 column:0];
 789                     }
 790                 }
 791                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 792                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
 793                 {
 794                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 795                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
 796                     {
 797                         [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 798                         [o_t5_matrix_encap selectCellAtRow:5 column:0];
 799                     }
 800                 }
 801                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 802                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
 803                 {
 804                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 805                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
 806                     {
 807                         [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 808                         [o_t5_matrix_encap selectCellAtRow:6 column:0];
 809                     }
 810                 }
 811                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 812                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
 813                 {
 814                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 815                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
 816                     {
 817                         [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 818                         [o_t5_matrix_encap selectCellAtRow:7 column:0];
 819                     }
 820                 }
 821                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 822                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
 823                 {
 824                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 825                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
 826                     {
 827                         [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 828                         [o_t5_matrix_encap selectCellAtRow:8 column:0];
 829                     }
 830                 }
 831                 if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 832                     @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
 833                 {
 834                     if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 835                         @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
 836                     {
 837                         [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 838                         [o_t5_matrix_encap selectCellAtRow:9 column:0];
 839                     }
 840                 }
 841
 842             } else {
 843
 844                 /* we just transcoding the audio */
 845
 846                 /* select formats supported by the audio codec */
 847                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 848                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_PS"])
 849                 {
 850                     [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 851                     [o_t5_matrix_encap selectCellAtRow:0 column:0];
 852                 }
 853                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 854                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
 855                 {
 856                     [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 857                     [o_t5_matrix_encap selectCellAtRow:1 column:0];
 858                 }
 859                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 860                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
 861                 {
 862                     [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 863                     [o_t5_matrix_encap selectCellAtRow:2 column:0];
 864                 }
 865                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 866                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_OGG"])
 867                 {
 868                     [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 869                     [o_t5_matrix_encap selectCellAtRow:3 column:0];
 870                 }
 871                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 872                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_RAW"])
 873                 {
 874                     [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 875                     [o_t5_matrix_encap selectCellAtRow:4 column:0];
 876                 }
 877                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 878                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_ASF"])
 879                 {
 880                     [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 881                     [o_t5_matrix_encap selectCellAtRow:5 column:0];
 882                 }
 883                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 884                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_AVI"])
 885                 {
 886                     [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 887                     [o_t5_matrix_encap selectCellAtRow:6 column:0];
 888                 }
 889                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 890                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MP4"])
 891                 {
 892                     [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 893                     [o_t5_matrix_encap selectCellAtRow:7 column:0];
 894                 }
 895                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 896                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MOV"])
 897                 {
 898                     [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 899                     [o_t5_matrix_encap selectCellAtRow:8 column:0];
 900                 }
 901                 if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
 902                     @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_WAV"])
 903                 {
 904                     [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 905                     [o_t5_matrix_encap selectCellAtRow:9 column:0];
 906                 }
 907             }
 908         }
 909         else if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
 910         {
 911             /* we are just transcoding the video */
 912
 913             /* select formats supported by the video-codec */
 914
 915             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 916                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
 917             {
 918                 [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 919                 [o_t5_matrix_encap selectCellAtRow:0 column:0];
 920             }
 921             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 922                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
 923             {
 924                 [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 925                 [o_t5_matrix_encap selectCellAtRow:1 column:0];
 926             }
 927             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 928                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
 929             {
 930                 [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 931                 [o_t5_matrix_encap selectCellAtRow:2 column:0];
 932             }
 933             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 934                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_OGG"])
 935             {
 936                 [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 937                 [o_t5_matrix_encap selectCellAtRow:3 column:0];
 938             }
 939             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 940                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_RAW"])
 941             {
 942                 [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 943                 [o_t5_matrix_encap selectCellAtRow:4 column:0];
 944             }
 945             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 946                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_ASF"])
 947             {
 948                 [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 949                 [o_t5_matrix_encap selectCellAtRow:5 column:0];
 950             }
 951             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 952                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_AVI"])
 953             {
 954                 [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:YES];
 955                 [o_t5_matrix_encap selectCellAtRow:6 column:0];
 956             }
 957             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 958                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MP4"])
 959             {
 960                 [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 961                 [o_t5_matrix_encap selectCellAtRow:7 column:0];
 962             }
 963             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 964                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MOV"])
 965             {
 966                 [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 967                 [o_t5_matrix_encap selectCellAtRow:8 column:0];
 968             }
 969             if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
 970                 @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_WAV"])
 971             {
 972                 [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:YES];
 973                 [o_t5_matrix_encap selectCellAtRow:9 column:0];
 974             }
 975         } else {
 976             /* we don't do any transcoding
 977              * -> enabled the encap-formats allowed when streaming content via
 978              * http plus MP4 since this should work fine in most cases */
 979
 980             /* FIXME: choose a selection of encap-formats based upon the
 981              * actually used codecs */
 982
 983             /* enable MPEG PS, MPEG TS, MPEG 1, OGG, RAW, ASF, MP4 and MOV
 984              * select MPEG PS */
 985             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
 986             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
 987             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
 988             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:YES];
 989             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:YES];
 990             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:YES];
 991             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
 992             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:YES];
 993             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:YES];
 994             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
 995             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
 996             [o_t5_matrix_encap selectCellAtRow:0 column:0];
 997         }
 998
 999         if ( [o_userSelections objectForKey:@"stmgMhd"] == @"1" )
1000         {
1001             /* if MMS is the streaming protocol, only ASFH is available */
1002             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
1003             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:NO];
1004             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
1005             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
1006             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
1007             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
1008             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1009             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1010             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1011             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1012             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:YES];
1013             [o_t5_matrix_encap selectCellAtRow:10 column:0];
1014         }
1015         else if ( [o_userSelections objectForKey:@"stmgMhd"] == @"0" )
1016         {
1017             /* if HTTP is the streaming protocol, disable all unsupported
1018              * encap-formats, but don't touch the other ones selected above */
1019             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1020             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1021             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1022             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1023             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1024         }
1025         else if ( [[o_userSelections objectForKey:@"stmgMhd"] intValue] >= 2 )
1026         {
1027             /* if UDP/RTP is the streaming protocol, only MPEG-TS is available */
1028             [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
1029             [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
1030             [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
1031             [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
1032             [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
1033             [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
1034             [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
1035             [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
1036             [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
1037             [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];
1038             [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
1039             [o_t5_matrix_encap selectCellAtRow:1 column:0];
1040         }
1041         int x;
1042         BOOL anythingEnabled;
1043         x = 0;
1044         anythingEnabled = NO;
1045         while (x != [o_t5_matrix_encap numberOfRows])
1046         {
1047             if ([[o_t5_matrix_encap cellAtRow:x column:0] isEnabled])
1048             {
1049                 anythingEnabled = YES;
1050             }
1051             x += 1;
1052         }
1053         if (anythingEnabled == YES)
1054         {
1055             /* re-select the previously chosen item, if available */
1056             if( [[o_t5_matrix_encap cellWithTag: i_temp] isEnabled] )
1057                 [o_t5_matrix_encap selectCellWithTag: i_temp];
1058
1059             /* go the encap-tab */
1060             [o_tab_pageHolder selectTabViewItemAtIndex:4];
1061         } else {
1062             /* show a sheet that the selected codecs are not compatible */
1063             NSBeginInformationalAlertSheet(_NS("Invalid selection"), _NS("OK"),
1064                 @"", @"", o_wizard_window, nil, nil, nil, nil, _NS("The "
1065                 "chosen codecs are not compatible with each other. For example: "
1066                 "It is impossibleto  mix uncompressed audio with any video codec.\n\n"
1067                 "Correct your selection and try again."));
1068         }
1069
1070     }
1071     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Encap"])
1072     {
1073         /* get the chosen encap format and store it */
1074         NSNumber * theNum;
1075         theNum = [NSNumber numberWithInt:[[o_t5_matrix_encap selectedCell] tag]];
1076         [o_userSelections setObject:[theNum stringValue] forKey:@"encapFormat"];
1077
1078         /* show either "Streaming 2" or "Transcode 2" to the user */
1079         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1080         {
1081             /* we are streaming */
1082             [o_tab_pageHolder selectTabViewItemAtIndex:5];
1083         }else{
1084             /* we are just transcoding */
1085             [o_tab_pageHolder selectTabViewItemAtIndex:6];
1086             /* in case that we are processing multiple items, let the user
1087              * select a folder instead of a localtion for a single item */
1088             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1089             {
1090                 [o_t7_txt_saveFileTo setStringValue:
1091                     _NS("Select the directory to save to")];
1092             }
1093             else
1094             {
1095                 [o_t7_txt_saveFileTo setStringValue:
1096                     _NS("Select the file to save to")];
1097             }
1098         }
1099     }
1100     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1101         @"Streaming 2"])
1102     {
1103         /* store the chosen TTL */
1104         [o_userSelections setObject:[o_t6_fld_ttl stringValue] forKey:@"ttl"];
1105
1106         /* check whether SAP is enabled and store the announce, if needed */
1107         if ([o_t6_ckb_sap state] == NSOnState)
1108         {
1109             [o_userSelections setObject:@"YES" forKey:@"sap"];
1110             [o_userSelections setObject:[o_t6_fld_sap stringValue] forKey:@"sapText"];
1111         } else {
1112             [o_userSelections setObject:@"NO" forKey:@"sap"];
1113         }
1114
1115         /* local playback? */
1116         if ([o_t6_ckb_local state] == NSOnState)
1117         {
1118             [o_userSelections setObject:@"YES" forKey:@"localPb"];
1119         } else {
1120             [o_userSelections setObject:@"NO" forKey:@"localPb"];
1121         }
1122
1123         /* include subtitles? */
1124         [o_userSelections setObject:
1125             [[NSNumber numberWithInt:[o_t6_ckb_soverlay state]] stringValue]
1126                              forKey: @"soverlay"];
1127
1128         /* go to "Summary" */
1129         [self showSummary];
1130     }
1131     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1132         @"Transcode 2"])
1133     {
1134         /* local playback? */
1135         if ([o_t7_ckb_local state] == NSOnState)
1136         {
1137             [o_userSelections setObject:@"YES" forKey:@"localPb"];
1138         } else {
1139             [o_userSelections setObject:@"NO" forKey:@"localPb"];
1140         }
1141
1142         /* check whether the path != "" and store it */
1143         if( [[o_t7_fld_filePath stringValue] isEqualToString: @""] )
1144         {
1145             /* complain to the user that "" is no valid path for a folder/file */
1146             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1147                 NSBeginInformationalAlertSheet(_NS("No folder selected"),
1148                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
1149                     [NSString stringWithFormat: @"%@\n\n%@", _NS("A directory "
1150                     "where to save the files has to be selected."),
1151                     _NS("Enter either a valid path or use the \"Choose...\" "
1152                     "button to select a location.")]);
1153             else
1154                 NSBeginInformationalAlertSheet(_NS("No file selected"),
1155                     _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
1156                     [NSString stringWithFormat: @"%@\n\n%@", _NS("A file "
1157                     "where to save the stream has to be selected."),
1158                     _NS("Enter either a valid path or use the \"Choose\" "
1159                     "button to select a location.")]);
1160         } else {
1161             /* create a string containing the requested suffix for later usage */
1162             NSString * theEncapFormat = [[o_encapFormats objectAtIndex:
1163                 [[o_userSelections objectForKey:@"encapFormat"] intValue]]
1164                 objectAtIndex:0];
1165             if( theEncapFormat == @"ps" )
1166                 theEncapFormat = @"mpg";
1167
1168             /* look whether we need to process multiple items or not.
1169              * choose a faster variant if we just want a single item */
1170             if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1171             {
1172                 NSMutableArray * tempArray = [[NSMutableArray alloc] init];
1173                 int x = 0;
1174                 int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1175                 NSMutableString * tempString = [[NSMutableString alloc] init];
1176                 while( x != y )
1177                 {
1178                     NSString * fileNameToUse;
1179                     /* check whether the extension is hidden or not.
1180                      * if not, remove it
1181                      * we need the casting to make GCC4 happy */
1182                     if( [[[NSFileManager defaultManager] fileAttributesAtPath:
1183                         [[o_userSelections objectForKey:@"pathToStrm"]
1184                         objectAtIndex: x] traverseLink: NO] objectForKey:
1185                         NSFileExtensionHidden] )
1186                         fileNameToUse = [NSString stringWithString:
1187                             [[NSFileManager defaultManager] displayNameAtPath:
1188                             [[o_userSelections objectForKey:@"pathToStrm"]
1189                             objectAtIndex: x]]];
1190                     else
1191                     {
1192                         int z = 0;
1193                         int count = [[[[NSFileManager defaultManager]
1194                             displayNameAtPath:
1195                             [[o_userSelections objectForKey:@"pathToStrm"]
1196                             objectAtIndex: x]]
1197                             componentsSeparatedByString: @"."] count];
1198                         fileNameToUse = @"";
1199                         while( z < (count - 1) )
1200                         {
1201                             fileNameToUse = [fileNameToUse stringByAppendingString:
1202                                 [[[[NSFileManager defaultManager]
1203                                 displayNameAtPath:
1204                                 [[o_userSelections objectForKey:@"pathToStrm"]
1205                                 objectAtIndex: x]]
1206                                 componentsSeparatedByString: @"."]
1207                                 objectAtIndex: z]];
1208                             z += 1;
1209                         }
1210                     }
1211                     tempString = [NSString stringWithFormat: @"%@%@.%@",
1212                         [o_t7_fld_filePath stringValue],
1213                         fileNameToUse, theEncapFormat];
1214                     if( [[NSFileManager defaultManager] fileExistsAtPath:
1215                         tempString] )
1216                     {
1217                         /* we don't wanna overwrite existing files, so add an
1218                          * int to the file-name */
1219                         int additionalInt = 1;
1220                         while( additionalInt < 100 )
1221                         {
1222                             tempString = [NSString stringWithFormat:@"%@%@ %i.%@",
1223                                 [o_t7_fld_filePath stringValue],
1224                                 fileNameToUse, additionalInt, theEncapFormat];
1225                             if(! [[NSFileManager defaultManager]
1226                                 fileExistsAtPath: tempString] )
1227                                 break;
1228                             additionalInt += 1;
1229                         }
1230                         if( additionalInt >= 100 )
1231                             msg_Err( VLCIntf, "Files with the same name are "
1232                                 "already present in the destination directory. "
1233                                 "Delete these files or choose a different directory." );
1234                     }
1235                     [tempArray addObject: [tempString retain]];
1236                     x += 1;
1237                 }
1238                 [o_userSelections setObject: [NSArray arrayWithArray:tempArray]
1239                     forKey: @"trnscdFilePath"];
1240                 [tempArray release];
1241                 [tempString release];
1242             }
1243             else
1244             {
1245                 /* we don't need to check for existing items because Cocoa
1246                  * does that already when we are asking the user for a location
1247                  * to save her file */
1248                 [o_userSelections setObject: [NSArray arrayWithObject:
1249                     [o_t7_fld_filePath stringValue]] forKey: @"trnscdFilePath"];
1250             }
1251
1252             /* include subtitles ? */
1253             [o_userSelections setObject:
1254                 [[NSNumber numberWithInt:[o_t7_ckb_soverlay state]] stringValue]
1255                                  forKey: @"soverlay"];
1256
1257             /* go to "Summary" */
1258             [self showSummary];
1259         }
1260     }
1261     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1262         @"Summary"])
1263     {
1264         intf_thread_t * p_intf = VLCIntf;
1265
1266         playlist_t * p_playlist = pl_Hold( p_intf );
1267
1268         int x = 0;
1269         int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1270         while( x != y )
1271         {
1272             /* we need a temp. variable here to work-around a GCC4-bug */
1273             NSString *tempString = [NSString stringWithFormat:
1274                 @"%@ (%i/%i)", _NS("Streaming/Transcoding Wizard"),
1275                 ( x + 1 ), y];
1276             input_item_t *p_input = input_item_New( p_playlist,
1277                 [[[o_userSelections objectForKey:@"pathToStrm"]
1278                 objectAtIndex:x] UTF8String],
1279                 [tempString UTF8String] );
1280             input_item_AddOption( p_input, [[[o_userSelections
1281                 objectForKey:@"opts"] objectAtIndex: x] UTF8String],
1282                 VLC_INPUT_OPTION_TRUSTED );
1283
1284             if(! [[o_userSelections objectForKey:@"partExtractFrom"]
1285                 isEqualToString:@""] )
1286             {
1287                 input_item_AddOption( p_input, [[NSString
1288                     stringWithFormat: @"start-time=%@", [o_userSelections
1289                     objectForKey: @"partExtractFrom"]] UTF8String],
1290                                         VLC_INPUT_OPTION_TRUSTED );
1291             }
1292
1293             if(! [[o_userSelections objectForKey:@"partExtractTo"]
1294                 isEqualToString:@""] )
1295             {
1296                 input_item_AddOption( p_input, [[NSString
1297                     stringWithFormat: @"stop-time=%@", [o_userSelections
1298                     objectForKey: @"partExtractTo"]] UTF8String],
1299                     VLC_INPUT_OPTION_TRUSTED );
1300             }
1301
1302             input_item_AddOption( p_input, [[NSString stringWithFormat:
1303                 @"ttl=%@", [o_userSelections objectForKey:@"ttl"]]
1304                 UTF8String],
1305                 VLC_INPUT_OPTION_TRUSTED );
1306
1307             /* FIXME: playlist_AddInput() can fail */
1308             playlist_AddInput( p_playlist, p_input, PLAYLIST_STOP,
1309                 PLAYLIST_END, true, pl_Unlocked );
1310
1311             if( x == 0 )
1312             {
1313                 /* play the first item and add the others afterwards */
1314                 PL_LOCK;
1315                 playlist_item_t *p_item = playlist_ItemGetByInput( p_playlist, p_input );
1316                 playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, pl_Locked, NULL,
1317                           p_item );
1318                 PL_UNLOCK;
1319             }
1320
1321             vlc_gc_decref( p_input );
1322             x += 1;
1323         }
1324
1325         vlc_object_release( p_playlist );
1326
1327         /* close the window, since we are done */
1328         [o_wizard_window close];
1329     }
1330 }
1331
1332 - (void)rebuildCodecMenus
1333 {
1334     int savePreviousSel = 0;
1335     savePreviousSel = [o_t4_pop_videoCodec indexOfSelectedItem];
1336     [o_t4_pop_videoCodec removeAllItems];
1337     unsigned int x;
1338     x = 0;
1339     while (x != [o_videoCodecs count])
1340     {
1341         [o_t4_pop_videoCodec addItemWithTitle:[[o_videoCodecs objectAtIndex:x]
1342             objectAtIndex:0]];
1343         x += 1;
1344     }
1345     if( savePreviousSel >= 0 )
1346         [o_t4_pop_videoCodec selectItemAtIndex: savePreviousSel];
1347
1348     savePreviousSel = [o_t4_pop_audioCodec indexOfSelectedItem];
1349     [o_t4_pop_audioCodec removeAllItems];
1350     x = 0;
1351     while (x != [o_audioCodecs count])
1352     {
1353         [o_t4_pop_audioCodec addItemWithTitle:[[o_audioCodecs objectAtIndex:x]
1354             objectAtIndex:0]];
1355         x += 1;
1356     }
1357     if( savePreviousSel >= 0 )
1358         [o_t4_pop_audioCodec selectItemAtIndex: savePreviousSel];
1359 }
1360
1361 - (void)showSummary
1362 {
1363     [o_btn_forward setTitle: _NS("Finish")];
1364     /* if we will transcode multiple items, just give their number; otherwise
1365      * print the URI of the single item */
1366     if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1367         [o_t8_fld_inptStream setStringValue: [NSString stringWithFormat:
1368             _NS("%i items"),
1369             [[o_userSelections objectForKey:@"pathToStrm"] count]]];
1370     else
1371         [o_t8_fld_inptStream setStringValue:
1372             [[o_userSelections objectForKey:@"pathToStrm"] objectAtIndex: 0]];
1373
1374     if ([[o_userSelections objectForKey:@"localPb"] isEqualToString: @"YES"])
1375     {
1376         [o_t8_fld_local setStringValue: _NS("yes")];
1377     } else {
1378         [o_t8_fld_local setStringValue: _NS("no")];
1379     }
1380
1381     if ([[o_userSelections objectForKey:@"partExtract"] isEqualToString: @"YES"])
1382     {
1383         [o_t8_fld_partExtract setStringValue: [NSString stringWithFormat:
1384             _NS("yes: from %@ to %@ secs"),
1385             [o_userSelections objectForKey:@"partExtractFrom"],
1386             [o_userSelections objectForKey:@"partExtractTo"]]];
1387     } else {
1388         [o_t8_fld_partExtract setStringValue: _NS("no")];
1389     }
1390
1391     if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
1392     {
1393         [o_t8_fld_trnscdVideo setStringValue: [NSString stringWithFormat:
1394             _NS("yes: %@ @ %@ kb/s"),
1395             [[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
1396             @"trnscdVideoCodec"] intValue]] objectAtIndex:0],
1397             [o_userSelections objectForKey:@"trnscdVideoBitrate"]]];
1398     }
1399     else
1400     {
1401         [o_t8_fld_trnscdVideo setStringValue: _NS("no")];
1402     }
1403
1404     if ([[o_userSelections objectForKey:@"soverlay"] isEqualToString:@"1"])
1405         [o_t8_fld_soverlay setStringValue: _NS("yes")];
1406     else
1407         [o_t8_fld_soverlay setStringValue: _NS("no")];
1408
1409     if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1410     {
1411         [o_t8_fld_trnscdAudio setStringValue: [NSString stringWithFormat:
1412             _NS("yes: %@ @ %@ kb/s"),
1413             [[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
1414                 @"trnscdAudioCodec"] intValue]] objectAtIndex:0],
1415             [o_userSelections objectForKey:@"trnscdAudioBitrate"]]];
1416     }
1417     else
1418     {
1419         [o_t8_fld_trnscdAudio setStringValue: _NS("no")];
1420     }
1421
1422     if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1423     {
1424         /* we are streaming and perhaps also transcoding */
1425         [o_t8_fld_saveFileTo setStringValue: @"-"];
1426         [o_t8_fld_strmgMthd setStringValue: [[o_strmgMthds objectAtIndex:
1427             [[o_userSelections objectForKey:@"stmgMhd"] intValue]]
1428             objectAtIndex:1]];
1429         [o_t8_fld_destination setStringValue: [o_userSelections objectForKey:
1430             @"stmgDest"]];
1431         [o_t8_fld_ttl setStringValue: [o_userSelections objectForKey:@"ttl"]];
1432         if ([[o_userSelections objectForKey:@"sap"] isEqualToString: @"YES"])
1433         {
1434             [o_t8_fld_sap setStringValue:
1435                 [_NS("yes") stringByAppendingFormat: @": \"%@\"",
1436                     [o_userSelections objectForKey:@"sapText"]]];
1437         }else{
1438             [o_t8_fld_sap setStringValue: _NS("no")];
1439         }
1440     } else {
1441         /* we are transcoding */
1442         [o_t8_fld_strmgMthd setStringValue: @"-"];
1443         [o_t8_fld_destination setStringValue: @"-"];
1444         [o_t8_fld_ttl setStringValue: @"-"];
1445         [o_t8_fld_sap setStringValue: @"-"];
1446         /* do only show the destination of the first item and add a counter, if needed */
1447         if( [[o_userSelections objectForKey: @"trnscdFilePath"] count] > 1 )
1448             [o_t8_fld_saveFileTo setStringValue:
1449                 [NSString stringWithFormat: @"%@ (+%i)",
1450                 [[o_userSelections objectForKey: @"trnscdFilePath"] objectAtIndex:0],
1451                 ([[o_userSelections objectForKey: @"trnscdFilePath"] count] - 1)]];
1452         else
1453             [o_t8_fld_saveFileTo setStringValue:
1454                 [[o_userSelections objectForKey: @"trnscdFilePath"] objectAtIndex:0]];
1455     }
1456     [o_t8_fld_encapFormat setStringValue: [[o_encapFormats objectAtIndex:
1457         [[o_userSelections objectForKey:@"encapFormat"] intValue]] objectAtIndex:1]];
1458
1459     [self createOpts];
1460     [o_t8_fld_mrl setStringValue: [[o_userSelections objectForKey:@"opts"]
1461         objectAtIndex: 0]];
1462
1463     [o_tab_pageHolder selectTabViewItemAtIndex:7];
1464 }
1465
1466 - (void) createOpts
1467 {
1468     NSMutableString * o_opts_string = [NSMutableString stringWithString:@""];
1469     NSMutableString *o_trnscdCmd = [NSMutableString stringWithString:@""];
1470     NSMutableString *o_duplicateCmd = [NSMutableString stringWithString:@""];
1471     int x = 0;
1472     int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1473     NSMutableArray * tempArray = [[NSMutableArray alloc] init];
1474
1475     /* loop to create an opt-string for each item we're processing */
1476     while( x != y )
1477     {
1478         /* check whether we transcode the audio and/or the video and compose a
1479          * string reflecting the settings, if needed */
1480         if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
1481         {
1482             [o_trnscdCmd appendString: @"transcode{"];
1483             [o_trnscdCmd appendFormat: @"vcodec=%@,vb=%i",
1484                 [[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"] intValue]] objectAtIndex:1],
1485                 [[o_userSelections objectForKey:@"trnscdVideoBitrate"] intValue]];
1486             if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1487             {
1488                 [o_trnscdCmd appendString: @","];
1489             }
1490             else
1491             {
1492                 [o_trnscdCmd appendString: @"}:"];
1493             }
1494         }
1495
1496         /* check whether the user requested local playback. if yes, prepare the
1497          * string, if not, let it empty */
1498         if ([[o_userSelections objectForKey:@"localPb"] isEqualToString:@"YES"])
1499         {
1500             [o_duplicateCmd appendString: @"duplicate{dst=display,dst=\""];
1501         }
1502
1503         if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1504         {
1505             if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"NO"])
1506             {
1507                 /* in case we transcode the audio only, add this */
1508                 [o_trnscdCmd appendString: @"transcode{"];
1509             }
1510             [o_trnscdCmd appendFormat: @"acodec=%@,ab=%i}:",
1511                 [[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"] intValue]] objectAtIndex:1],
1512                 [[o_userSelections objectForKey:@"trnscdAudioBitrate"] intValue]];
1513         }
1514
1515         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"trnscd"])
1516         {
1517             /* we are just transcoding and dumping the stuff to a file */
1518             [o_opts_string appendFormat:
1519                 @":sout=#%@%@standard{mux=%@,dst=%@,access=file}",
1520                 o_duplicateCmd,
1521                 o_trnscdCmd,
1522                 [[o_encapFormats objectAtIndex: [[o_userSelections objectForKey:@"encapFormat"] intValue]] objectAtIndex:0],
1523                 [[o_userSelections objectForKey: @"trnscdFilePath"] objectAtIndex: x]];
1524         }
1525         else
1526         {
1527
1528             /* we are streaming */
1529             if ([[o_userSelections objectForKey:@"sap"] isEqualToString:@"YES"])
1530             {
1531                 /* SAP-Announcement is requested */
1532                 NSMutableString *o_sap_option = [NSMutableString stringWithString:@""];
1533                 if([[o_userSelections objectForKey:@"sapText"] isEqualToString:@""])
1534                 {
1535                     [o_sap_option appendString: @"sap"];
1536                 }
1537                 else
1538                 {
1539                     [o_sap_option appendFormat: @"sap,name=\"%@\"",
1540                         [o_userSelections objectForKey:@"sapText"]];
1541                 }
1542                 if( [[o_strmgMthds objectAtIndex: [[o_userSelections objectForKey: @"stmgMhd"] intValue]] objectAtIndex:0] == @"rtp" )
1543                 {
1544                     /* RTP is no access out, but a stream out module */
1545                     [o_opts_string appendFormat:
1546                                              @":sout=#%@%@rtp{mux=%@,dst=%@,%@}",
1547                         o_duplicateCmd, o_trnscdCmd,
1548                         [[o_encapFormats objectAtIndex: [[o_userSelections objectForKey: @"encapFormat"] intValue]] objectAtIndex:0],
1549                         [o_userSelections objectForKey: @"stmgDest"],
1550                         o_sap_option];
1551                 }
1552                 else
1553                 {
1554                     [o_opts_string appendFormat:
1555                                              @":sout=#%@%@standard{mux=%@,dst=%@,access=%@,%@}",
1556                         o_duplicateCmd, o_trnscdCmd,
1557                         [[o_encapFormats objectAtIndex: [[o_userSelections objectForKey: @"encapFormat"] intValue]] objectAtIndex:0],
1558                         [o_userSelections objectForKey: @"stmgDest"],
1559                         [[o_strmgMthds objectAtIndex: [[o_userSelections objectForKey: @"stmgMhd"] intValue]] objectAtIndex:0],
1560                         o_sap_option];
1561                 }
1562             }
1563             else
1564             {
1565                 /* no SAP, just streaming */
1566                 if( [[o_strmgMthds objectAtIndex: [[o_userSelections objectForKey: @"stmgMhd"] intValue]] objectAtIndex:0] == @"rtp" )
1567                 {
1568                     /* RTP is different from the other protocols, as it isn't provided through an access out module anymore */
1569                     [o_opts_string appendFormat:
1570                                              @":sout=#%@%@rtp{mux=%@,dst=%@}",
1571                         o_duplicateCmd,
1572                         o_trnscdCmd,
1573                         [[o_encapFormats objectAtIndex: [[o_userSelections objectForKey: @"encapFormat"] intValue]] objectAtIndex:0],
1574                         [o_userSelections objectForKey: @"stmgDest"]];
1575                 }
1576                 else
1577                 {
1578                     /* all other protocols are cool */
1579                     [o_opts_string appendFormat:
1580                                              @":sout=#%@%@standard{mux=%@,dst=%@,access=%@}",
1581                         o_duplicateCmd,
1582                         o_trnscdCmd,
1583                         [[o_encapFormats objectAtIndex: [[o_userSelections objectForKey: @"encapFormat"] intValue]] objectAtIndex:0],
1584                         [o_userSelections objectForKey: @"stmgDest"],
1585                         [[o_strmgMthds objectAtIndex: [[o_userSelections objectForKey: @"stmgMhd"] intValue]] objectAtIndex:0]];
1586                 }
1587             }
1588         }
1589
1590         /* check whether the user requested local playback. if yes, close the
1591          * string with an additional bracket */
1592         if ([[o_userSelections objectForKey:@"localPb"] isEqualToString:@"YES"])
1593         {
1594             [o_opts_string appendString: @"\"}"];
1595         }
1596
1597         /* add subtitles to the video if desired */
1598         [o_opts_string appendFormat: @":sout-transcode-soverlay=%@",
1599                 [o_userSelections objectForKey:@"soverlay"]];
1600
1601         [tempArray addObject: o_opts_string];
1602
1603         o_opts_string = [NSMutableString stringWithString:@""];
1604         o_trnscdCmd = [NSMutableString stringWithString:@""];
1605         o_duplicateCmd = [NSMutableString stringWithString:@""];
1606         x += 1;
1607     }
1608     [o_userSelections setObject:[NSArray arrayWithArray: tempArray] forKey:@"opts"];
1609     [tempArray release];
1610 }
1611
1612 - (IBAction)prevTab:(id)sender
1613 {
1614     if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Summary"])
1615     {
1616         /* check whether we are streaming or transcoding and go back */
1617         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1618         {
1619             /* show "Streaming 2" */
1620             [o_tab_pageHolder selectTabViewItemAtIndex:5];
1621         }else{
1622             /* show "Transcode 2" */
1623             [o_tab_pageHolder selectTabViewItemAtIndex:6];
1624         }
1625         /* rename the forward-button */
1626         [o_btn_forward setTitle: _NS("Next")];
1627     }
1628     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1629         @"Transcode 2"])
1630     {
1631         /* show "Encap" */
1632         [o_tab_pageHolder selectTabViewItemAtIndex:4];
1633     }
1634     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1635         @"Streaming 2"])
1636     {
1637         /* show "Encap" */
1638         [o_tab_pageHolder selectTabViewItemAtIndex:4];
1639     }
1640     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1641         @"Encap"])
1642     {
1643         /* show "Transcode 1" */
1644         [o_tab_pageHolder selectTabViewItemAtIndex:3];
1645     }
1646     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1647         @"Streaming 1"])
1648     {
1649         /* show "Input" */
1650         [o_tab_pageHolder selectTabViewItemAtIndex:1];
1651     }
1652     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1653         @"Transcode 1"])
1654     {
1655         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1656         {
1657             /* show "Streaming 1" */
1658             [o_tab_pageHolder selectTabViewItemAtIndex:2];
1659         }else{
1660             /* show "Input" */
1661             [o_tab_pageHolder selectTabViewItemAtIndex:1];
1662         }
1663     }
1664     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1665         @"Input"])
1666     {
1667         /* reset the wizard before going backwards. Otherwise, we might get
1668          * unwanted behaviours in the Encap-Selection */
1669         [self resetWizard];
1670         /* show "Hello" */
1671         [o_tab_pageHolder selectTabViewItemAtIndex:0];
1672         /* disable backwards-btn */
1673         [o_btn_backward setEnabled:NO];
1674     }
1675 }
1676
1677 - (IBAction)t1_mrInfo_streaming:(id)sender
1678 {
1679     /* show a sheet for the help */
1680     NSBeginInformationalAlertSheet(_NS("Stream to network"),
1681         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
1682         _NS("This allows to stream on a network."));
1683 }
1684
1685 - (IBAction)t1_mrInfo_transcode:(id)sender
1686 {
1687     /* show a sheet for the help */
1688     NSBeginInformationalAlertSheet(_NS("Transcode/Save to file"),
1689         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
1690         _NS("This allows to save a stream to a file. The "
1691         "can be reencoded on the fly. Whatever "
1692         "VLC can read can be saved.\nPlease note that VLC is not very suited "
1693         "for file to file transcoding. Its transcoding "
1694         "features are however useful to save network streams, for example."));
1695 }
1696
1697 - (IBAction)t2_addNewStream:(id)sender
1698 {
1699     NSOpenPanel * openPanel = [NSOpenPanel openPanel];
1700     SEL sel = @selector(t2_getNewStreamFromDialog:returnCode:contextInfo:);
1701     [openPanel beginSheetForDirectory:nil file:nil types:nil modalForWindow:
1702         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1703 }
1704
1705 - (void)t2_getNewStreamFromDialog: (NSOpenPanel *)sheet
1706                        returnCode: (int)returnCode
1707                       contextInfo: (void *)contextInfo
1708 {
1709     if (returnCode == NSOKButton)
1710     {
1711         [o_t2_fld_pathToNewStrm setStringValue: [@"file://"
1712             stringByAppendingString: [sheet filename]]];
1713     }
1714 }
1715
1716 - (IBAction)t2_chooseStreamOrPlst:(id)sender
1717 {
1718     /* enable and disable the respective items depending on user's choice */
1719     NSString *o_mode;
1720     o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
1721
1722     if( [o_mode isEqualToString: _NS("Select a stream")] )
1723     {
1724         [o_t2_btn_chooseFile setEnabled:YES];
1725         [o_t2_fld_pathToNewStrm setEnabled:YES];
1726         [o_t2_tbl_plst setEnabled:NO];
1727     } else {
1728         [o_t2_btn_chooseFile setEnabled:NO];
1729         [o_t2_fld_pathToNewStrm setEnabled:NO];
1730         [o_t2_tbl_plst setEnabled:YES];
1731     }
1732 }
1733
1734 - (IBAction)t2_enableExtract:(id)sender
1735 {
1736     /* enable/disable the respective items */
1737     if([o_t2_ckb_enblPartExtrct state] == NSOnState)
1738     {
1739         [o_t2_fld_prtExtrctFrom setEnabled:YES];
1740         [o_t2_fld_prtExtrctTo setEnabled:YES];
1741     } else {
1742         [o_t2_fld_prtExtrctFrom setEnabled:NO];
1743         [o_t2_fld_prtExtrctTo setEnabled:NO];
1744         [o_t2_fld_prtExtrctFrom setStringValue:@""];
1745         [o_t2_fld_prtExtrctTo setStringValue:@""];
1746     }
1747 }
1748
1749 - (IBAction)t3_strmMthdChanged:(id)sender
1750 {
1751     /* change the captions of o_t3_txt_destInfo according to the chosen
1752      * streaming method */
1753     int mode;
1754     mode = [[o_t3_matrix_stmgMhd selectedCell] tag];
1755     if( mode == 0 )
1756     {
1757         /* HTTP */
1758         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:0]
1759             objectAtIndex:2]];
1760         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:0]
1761             objectAtIndex:3]];
1762     }
1763     else if( mode == 1 )
1764     {
1765         /* MMS */
1766         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:1]
1767             objectAtIndex:2]];
1768         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:1]
1769             objectAtIndex:3]];
1770     }
1771     else if( mode == 2 )
1772     {
1773         /* UDP-Unicast */
1774         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:2]
1775             objectAtIndex:2]];
1776         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:2]
1777         objectAtIndex:3]];
1778     }
1779     else if( mode == 3 )
1780     {
1781         /* UDP-Multicast */
1782         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:3]
1783             objectAtIndex:2]];
1784         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:3]
1785         objectAtIndex:3]];
1786     }
1787     else if( mode == 4 )
1788     {
1789         /* RTP-Unicast */
1790         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:4]
1791             objectAtIndex:2]];
1792         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:4]
1793             objectAtIndex:3]];
1794     }
1795     else if( mode == 5 )
1796     {
1797         /* RTP-Multicast */
1798         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:5]
1799             objectAtIndex:2]];
1800         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:5]
1801         objectAtIndex:3]];
1802     }
1803 }
1804
1805 - (IBAction)t4_AudCdcChanged:(id)sender
1806 {
1807     /* update codec info */
1808     [o_t4_txt_hintAudio setStringValue:[[o_audioCodecs objectAtIndex:
1809         [o_t4_pop_audioCodec indexOfSelectedItem]] objectAtIndex:2]];
1810 }
1811
1812 - (IBAction)t4_enblAudTrnscd:(id)sender
1813 {
1814     /* enable/disable the respective items */
1815     if([o_t4_ckb_audio state] == NSOnState)
1816     {
1817         [o_t4_pop_audioCodec setEnabled:YES];
1818         [o_t4_pop_audioBitrate setEnabled:YES];
1819         [o_t4_txt_hintAudio setStringValue: _NS("Select your audio codec. "
1820         "Click one to get more information.")];
1821     } else {
1822         [o_t4_pop_audioCodec setEnabled:NO];
1823         [o_t4_pop_audioBitrate setEnabled:NO];
1824         [o_t4_txt_hintAudio setStringValue: _NS("Enabling this allows to transcode "
1825         "the audio track if one is present in the stream.")];
1826     }
1827 }
1828
1829 - (IBAction)t4_enblVidTrnscd:(id)sender
1830 {
1831     /* enable/disable the respective items */
1832     if([o_t4_ckb_video state] == NSOnState)
1833     {
1834         [o_t4_pop_videoCodec setEnabled:YES];
1835         [o_t4_pop_videoBitrate setEnabled:YES];
1836         [o_t4_txt_hintVideo setStringValue: _NS("Select your video codec. "\
1837         "Click one to get more information.")];
1838     } else {
1839         [o_t4_pop_videoCodec setEnabled:NO];
1840         [o_t4_pop_videoBitrate setEnabled:NO];
1841         [o_t4_txt_hintVideo setStringValue: _NS("Enabling this allows to transcode "
1842         "the video track if one is present in the stream.")];
1843
1844     }
1845 }
1846
1847 - (IBAction)t4_VidCdcChanged:(id)sender
1848 {
1849     /* update codec info */
1850     [o_t4_txt_hintVideo setStringValue:[[o_videoCodecs objectAtIndex:
1851         [o_t4_pop_videoCodec indexOfSelectedItem]] objectAtIndex:2]];
1852 }
1853
1854 - (IBAction)t6_enblSapAnnce:(id)sender
1855 {
1856     /* enable/disable input fld */
1857     if([o_t6_ckb_sap state] == NSOnState)
1858     {
1859         [o_t6_fld_sap setEnabled:YES];
1860     } else {
1861         [o_t6_fld_sap setEnabled:NO];
1862         [o_t6_fld_sap setStringValue:@""];
1863     }
1864 }
1865
1866 - (IBAction)t6_mrInfo_ttl:(id)sender
1867 {
1868     /* show a sheet for the help */
1869     NSBeginInformationalAlertSheet(_NS("Time-To-Live (TTL)"),
1870         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
1871         _NS("This allows to define the TTL (Time-To-Live) of the stream. "
1872             "This parameter is the maximum number of routers your stream can "
1873             "go through. If you don't know what it means, or if you want to "
1874             "stream on your local network only, leave this setting to 1."));
1875 }
1876
1877 - (IBAction)t6_mrInfo_sap:(id)sender
1878 {
1879     /* show a sheet for the help */
1880     NSBeginInformationalAlertSheet(_NS("SAP Announce"),
1881         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
1882         _NS("When streaming using UDP, the streams can be "
1883         "announced using the SAP/SDP announcing protocol. This "
1884         "way, the clients won't have to type in the multicast address, it "
1885         "will appear in their playlist if they enable the SAP extra "
1886         "interface.\nIf you want to give a name to your stream, enter it "
1887         "here, else, a default name will be used."));
1888 }
1889
1890 - (IBAction)t67_mrInfo_local:(id)sender
1891 {
1892     /* show a sheet for the help */
1893     NSBeginInformationalAlertSheet(_NS("Local playback"),
1894             _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
1895             _NS("When this option is enabled, the stream will be both played "
1896             "and transcoded/streamed.\n\nNote that this requires much more "
1897             "CPU power than simple transcoding or streaming."));
1898 }
1899
1900 - (IBAction)t7_selectTrnscdDestFile:(id)sender
1901 {
1902     /* provide a save-to-dialogue, so the user can choose a location for
1903      * his/her new file. We take a modified NSOpenPanel to select a folder
1904      * and a plain NSSavePanel to save a single file. */
1905
1906     SEL sel = @selector(t7_getTrnscdDestFile:returnCode:contextInfo:);
1907
1908     if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1909     {
1910         NSOpenPanel * saveFolderPanel = [[NSOpenPanel alloc] init];
1911
1912         [saveFolderPanel setCanChooseDirectories: YES];
1913         [saveFolderPanel setCanChooseFiles: NO];
1914         [saveFolderPanel setCanSelectHiddenExtension: NO];
1915         [saveFolderPanel setCanCreateDirectories: YES];
1916         [saveFolderPanel beginSheetForDirectory:nil file:nil modalForWindow:
1917         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1918     }
1919     else
1920     {
1921         NSSavePanel * saveFilePanel = [[NSSavePanel alloc] init];
1922
1923         /* don't use ".ps" as suffix, since the OSX Finder confuses our
1924          * creations with PostScript-files and wants to open them with
1925          * Preview.app */
1926         NSString * theEncapFormat = [[o_encapFormats objectAtIndex:
1927         [[o_userSelections objectForKey:@"encapFormat"] intValue]]
1928         objectAtIndex:0];
1929         if( theEncapFormat != @"ps" )
1930             [saveFilePanel setRequiredFileType: theEncapFormat];
1931         else
1932             [saveFilePanel setRequiredFileType: @"mpg"];
1933
1934         [saveFilePanel setCanSelectHiddenExtension: YES];
1935         [saveFilePanel setCanCreateDirectories: YES];
1936         [saveFilePanel beginSheetForDirectory:nil file:nil modalForWindow:
1937         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1938     }
1939 }
1940
1941 - (void)t7_getTrnscdDestFile: (NSOpenPanel *)sheet returnCode:
1942     (int)returnCode contextInfo: (void *)contextInfo
1943 {
1944     if (returnCode == NSOKButton)
1945     {
1946         /* output returned path to text-field, add a / to the end if the user
1947          * selected a folder */
1948         if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1949             [o_t7_fld_filePath setStringValue: [NSString stringWithFormat:
1950                 @"%@/", [sheet filename]]];
1951         else
1952             [o_t7_fld_filePath setStringValue:[sheet filename]];
1953     }
1954     [sheet release];
1955 }
1956
1957 @end