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

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