* adapted the wizard to use the RTP stream out module instead of the removed RTP...
[vlc.git] / 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             playlist_AddInput( p_playlist, p_input, PLAYLIST_STOP,
1296                 PLAYLIST_END, VLC_TRUE, VLC_FALSE );
1297
1298             if( x == 0 )
1299             {
1300                 /* play the first item and add the others afterwards */
1301                 playlist_item_t *p_item = playlist_ItemGetByInput( p_playlist, p_input, VLC_TRUE );
1302                 playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, VLC_TRUE, NULL,
1303                           p_item );
1304             }
1305
1306             x += 1;
1307         }
1308
1309         vlc_object_release( p_playlist );
1310
1311         /* close the window, since we are done */
1312         [o_wizard_window close];
1313     }
1314 }
1315
1316 - (void)rebuildCodecMenus
1317 {
1318     int savePreviousSel = 0;
1319     savePreviousSel = [o_t4_pop_videoCodec indexOfSelectedItem];
1320     [o_t4_pop_videoCodec removeAllItems];
1321     unsigned int x;
1322     x = 0;
1323     while (x != [o_videoCodecs count])
1324     {
1325         [o_t4_pop_videoCodec addItemWithTitle:[[o_videoCodecs objectAtIndex:x]
1326             objectAtIndex:0]];
1327         x += 1;
1328     }
1329     if( savePreviousSel >= 0 )
1330         [o_t4_pop_videoCodec selectItemAtIndex: savePreviousSel];
1331
1332     savePreviousSel = [o_t4_pop_audioCodec indexOfSelectedItem];
1333     [o_t4_pop_audioCodec removeAllItems];
1334     x = 0;
1335     while (x != [o_audioCodecs count])
1336     {
1337         [o_t4_pop_audioCodec addItemWithTitle:[[o_audioCodecs objectAtIndex:x]
1338             objectAtIndex:0]];
1339         x += 1;
1340     }
1341     if( savePreviousSel >= 0 )
1342         [o_t4_pop_audioCodec selectItemAtIndex: savePreviousSel];
1343 }
1344
1345 - (void)showSummary
1346 {
1347     [o_btn_forward setTitle: _NS("Finish")];
1348     /* if we will transcode multiple items, just give their number; otherwise
1349      * print the URI of the single item */
1350     if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1351         [o_t8_fld_inptStream setStringValue: [NSString stringWithFormat:
1352             _NS("%i items"),
1353             [[o_userSelections objectForKey:@"pathToStrm"] count]]];
1354     else
1355         [o_t8_fld_inptStream setStringValue:
1356             [[o_userSelections objectForKey:@"pathToStrm"] objectAtIndex: 0]];
1357  
1358     if ([[o_userSelections objectForKey:@"localPb"] isEqualToString: @"YES"])
1359     {
1360         [o_t8_fld_local setStringValue: _NS("yes")];
1361     } else {
1362         [o_t8_fld_local setStringValue: _NS("no")];
1363     }
1364
1365     if ([[o_userSelections objectForKey:@"partExtract"] isEqualToString: @"YES"])
1366     {
1367         [o_t8_fld_partExtract setStringValue: [NSString stringWithFormat:
1368             _NS("yes: from %@ to %@ secs"),
1369             [o_userSelections objectForKey:@"partExtractFrom"],
1370             [o_userSelections objectForKey:@"partExtractTo"]]];
1371     } else {
1372         [o_t8_fld_partExtract setStringValue: _NS("no")];
1373     }
1374
1375     if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
1376     {
1377         [o_t8_fld_trnscdVideo setStringValue: [NSString stringWithFormat:
1378             _NS("yes: %@ @ %@ kb/s"),
1379             [[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey:
1380             @"trnscdVideoCodec"] intValue]] objectAtIndex:0],
1381             [o_userSelections objectForKey:@"trnscdVideoBitrate"]]];
1382     }
1383     else
1384     {
1385         [o_t8_fld_trnscdVideo setStringValue: _NS("no")];
1386     }
1387  
1388     if ([[o_userSelections objectForKey:@"soverlay"] isEqualToString:@"1"])
1389         [o_t8_fld_soverlay setStringValue: _NS("yes")];
1390     else
1391         [o_t8_fld_soverlay setStringValue: _NS("no")];
1392  
1393     if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1394     {
1395         [o_t8_fld_trnscdAudio setStringValue: [NSString stringWithFormat:
1396             _NS("yes: %@ @ %@ kb/s"),
1397             [[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey:
1398                 @"trnscdAudioCodec"] intValue]] objectAtIndex:0],
1399             [o_userSelections objectForKey:@"trnscdAudioBitrate"]]];
1400     }
1401     else
1402     {
1403         [o_t8_fld_trnscdAudio setStringValue: _NS("no")];
1404     }
1405
1406     if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1407     {
1408         /* we are streaming and perhaps also transcoding */
1409         [o_t8_fld_saveFileTo setStringValue: @"-"];
1410         [o_t8_fld_strmgMthd setStringValue: [[o_strmgMthds objectAtIndex:
1411             [[o_userSelections objectForKey:@"stmgMhd"] intValue]]
1412             objectAtIndex:1]];
1413         [o_t8_fld_destination setStringValue: [o_userSelections objectForKey:
1414             @"stmgDest"]];
1415         [o_t8_fld_ttl setStringValue: [o_userSelections objectForKey:@"ttl"]];
1416         if ([[o_userSelections objectForKey:@"sap"] isEqualToString: @"YES"])
1417         {
1418             [o_t8_fld_sap setStringValue:
1419                 [_NS("yes") stringByAppendingFormat: @": \"%@\"",
1420                     [o_userSelections objectForKey:@"sapText"]]];
1421         }else{
1422             [o_t8_fld_sap setStringValue: _NS("no")];
1423         }
1424     } else {
1425         /* we are transcoding */
1426         [o_t8_fld_strmgMthd setStringValue: @"-"];
1427         [o_t8_fld_destination setStringValue: @"-"];
1428         [o_t8_fld_ttl setStringValue: @"-"];
1429         [o_t8_fld_sap setStringValue: @"-"];
1430         /* do only show the destination of the first item and add a counter, if needed */
1431         if( [[o_userSelections objectForKey: @"trnscdFilePath"] count] > 1 )
1432             [o_t8_fld_saveFileTo setStringValue:
1433                 [NSString stringWithFormat: @"%@ (+%i)",
1434                 [[o_userSelections objectForKey: @"trnscdFilePath"] objectAtIndex:0],
1435                 ([[o_userSelections objectForKey: @"trnscdFilePath"] count] - 1)]];
1436         else
1437             [o_t8_fld_saveFileTo setStringValue:
1438                 [[o_userSelections objectForKey: @"trnscdFilePath"] objectAtIndex:0]];
1439     }
1440     [o_t8_fld_encapFormat setStringValue: [[o_encapFormats objectAtIndex:
1441         [[o_userSelections objectForKey:@"encapFormat"] intValue]] objectAtIndex:1]];
1442
1443     [self createOpts];
1444     [o_t8_fld_mrl setStringValue: [[o_userSelections objectForKey:@"opts"]
1445         objectAtIndex: 0]];
1446
1447     [o_tab_pageHolder selectTabViewItemAtIndex:7];
1448 }
1449
1450 - (void) createOpts
1451 {
1452     NSMutableString * o_opts_string = [NSMutableString stringWithString:@""];
1453     NSMutableString *o_trnscdCmd = [NSMutableString stringWithString:@""];
1454     NSMutableString *o_duplicateCmd = [NSMutableString stringWithString:@""];
1455     int x = 0;
1456     int y = [[o_userSelections objectForKey:@"pathToStrm"] count];
1457     NSMutableArray * tempArray = [[NSMutableArray alloc] init];
1458  
1459     /* loop to create an opt-string for each item we're processing */
1460     while( x != y )
1461     {
1462         /* check whether we transcode the audio and/or the video and compose a
1463          * string reflecting the settings, if needed */
1464         if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"YES"])
1465         {
1466             [o_trnscdCmd appendString: @"transcode{"];
1467             [o_trnscdCmd appendFormat: @"vcodec=%s,vb=%i", [[[o_videoCodecs
1468                 objectAtIndex:[[o_userSelections objectForKey:@"trnscdVideoCodec"]
1469                 intValue]] objectAtIndex:1] UTF8String],  [[o_userSelections
1470                 objectForKey:@"trnscdVideoBitrate"] intValue]];
1471             if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1472             {
1473                 [o_trnscdCmd appendString: @","];
1474             }
1475             else
1476             {
1477                 [o_trnscdCmd appendString: @"}:"];
1478             }
1479         }
1480  
1481         /* check whether the user requested local playback. if yes, prepare the
1482          * string, if not, let it empty */
1483         if ([[o_userSelections objectForKey:@"localPb"] isEqualToString:@"YES"])
1484         {
1485             [o_duplicateCmd appendString: @"duplicate{dst=display,dst=\""];
1486         }
1487  
1488         if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualToString:@"YES"])
1489         {
1490             if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualToString:@"NO"])
1491             {
1492                 /* in case we transcode the audio only, add this */
1493                 [o_trnscdCmd appendString: @"transcode{"];
1494             }
1495             [o_trnscdCmd appendFormat: @"acodec=%s,ab=%i}:", [[[o_audioCodecs
1496                 objectAtIndex:[[o_userSelections objectForKey:@"trnscdAudioCodec"]
1497                 intValue]] objectAtIndex:1] UTF8String],  [[o_userSelections
1498                 objectForKey:@"trnscdAudioBitrate"] intValue]];
1499         }
1500  
1501         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"trnscd"])
1502         {
1503             /* we are just transcoding and dumping the stuff to a file */
1504             [o_opts_string appendFormat:
1505                 @":sout=#%s%sstandard{mux=%s,dst=%s,access=file}", [o_duplicateCmd
1506                 UTF8String], [o_trnscdCmd UTF8String], [[[o_encapFormats
1507                 objectAtIndex: [[o_userSelections objectForKey:@"encapFormat"]
1508                 intValue]] objectAtIndex:0] UTF8String], [[[o_userSelections
1509                 objectForKey: @"trnscdFilePath"] objectAtIndex: x] UTF8String]];
1510         }
1511         else
1512         {
1513
1514             /* we are streaming */
1515             if ([[o_userSelections objectForKey:@"sap"] isEqualToString:@"YES"])
1516             {
1517                 /* SAP-Announcement is requested */
1518                 NSMutableString *o_sap_option = [NSMutableString stringWithString:@""];
1519                 if([[o_userSelections objectForKey:@"sapText"] isEqualToString:@""])
1520                 {
1521                     [o_sap_option appendString: @"sap"];
1522                 }
1523                 else
1524                 {
1525                     [o_sap_option appendFormat: @"sap,name=\"%s\"",
1526                         [[o_userSelections objectForKey:@"sapText"] UTF8String]];
1527                 }
1528                 if( [[o_strmgMthds objectAtIndex: [[o_userSelections objectForKey: @"stmgMhd"] intValue]] objectAtIndex:0] == @"rtp" )
1529                 {
1530                     /* RTP is no access out, but a stream out module */
1531                     [o_opts_string appendFormat:
1532                                              @":sout=#%s%srtp{mux=%s,dst=%s,%s}",
1533                         [o_duplicateCmd UTF8String], [o_trnscdCmd UTF8String],
1534                         [[[o_encapFormats objectAtIndex: [[o_userSelections objectForKey: @"encapFormat"] intValue]] objectAtIndex:0]
1535                             UTF8String], 
1536                         [[o_userSelections objectForKey: @"stmgDest"] UTF8String],
1537                         [o_sap_option UTF8String]];
1538                 }
1539                 else
1540                 {
1541                     [o_opts_string appendFormat:
1542                                              @":sout=#%s%sstandard{mux=%s,dst=%s,access=%s,%s}",
1543                         [o_duplicateCmd UTF8String], [o_trnscdCmd UTF8String],
1544                         [[[o_encapFormats objectAtIndex: [[o_userSelections objectForKey: @"encapFormat"] intValue]] objectAtIndex:0]
1545                             UTF8String], 
1546                         [[o_userSelections objectForKey: @"stmgDest"] UTF8String], 
1547                         [[[o_strmgMthds objectAtIndex: [[o_userSelections objectForKey: @"stmgMhd"] intValue]] objectAtIndex:0]
1548                             UTF8String], 
1549                         [o_sap_option UTF8String]];                    
1550                 }
1551             }
1552             else
1553             {
1554                 /* no SAP, just streaming */
1555                 if( [[o_strmgMthds objectAtIndex: [[o_userSelections objectForKey: @"stmgMhd"] intValue]] objectAtIndex:0] == @"rtp" )
1556                 {
1557                     /* RTP is different from the other protocols, as it isn't provided through an access out module anymore */
1558                     [o_opts_string appendFormat:
1559                                              @":sout=#%s%srtp{mux=%s,dst=%s}",
1560                         [o_duplicateCmd UTF8String], 
1561                         [o_trnscdCmd UTF8String],
1562                         [[[o_encapFormats objectAtIndex: [[o_userSelections objectForKey: @"encapFormat"] intValue]] objectAtIndex:0]
1563                             UTF8String], 
1564                         [[o_userSelections objectForKey: @"stmgDest"] UTF8String]];
1565                 }
1566                 else
1567                 {
1568                     /* all other protocols are cool */
1569                     [o_opts_string appendFormat:
1570                                              @":sout=#%s%sstandard{mux=%s,dst=%s,access=%s}",
1571                         [o_duplicateCmd UTF8String], 
1572                         [o_trnscdCmd UTF8String],
1573                         [[[o_encapFormats objectAtIndex: [[o_userSelections objectForKey: @"encapFormat"] intValue]] objectAtIndex:0]
1574                             UTF8String], 
1575                         [[o_userSelections objectForKey: @"stmgDest"] UTF8String], 
1576                         [[[o_strmgMthds objectAtIndex: [[o_userSelections objectForKey: @"stmgMhd"] intValue]] objectAtIndex:0] UTF8String]];
1577                 }
1578             }
1579         }
1580
1581         /* check whether the user requested local playback. if yes, close the
1582          * string with an additional bracket */
1583         if ([[o_userSelections objectForKey:@"localPb"] isEqualToString:@"YES"])
1584         {
1585             [o_opts_string appendString: @"\"}"];
1586         }
1587  
1588         /* add subtitles to the video if desired */
1589         [o_opts_string appendFormat: @":sout-transcode-soverlay=%@",
1590                 [o_userSelections objectForKey:@"soverlay"]];
1591
1592         [tempArray addObject: o_opts_string];
1593
1594         o_opts_string = [NSMutableString stringWithString:@""];
1595         o_trnscdCmd = [NSMutableString stringWithString:@""];
1596         o_duplicateCmd = [NSMutableString stringWithString:@""];
1597         x += 1;
1598     }
1599     [o_userSelections setObject:[NSArray arrayWithArray: tempArray] forKey:@"opts"];
1600     [tempArray release];
1601 }
1602
1603 - (IBAction)prevTab:(id)sender
1604 {
1605     if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Summary"])
1606     {
1607         /* check whether we are streaming or transcoding and go back */
1608         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1609         {
1610             /* show "Streaming 2" */
1611             [o_tab_pageHolder selectTabViewItemAtIndex:5];
1612         }else{
1613             /* show "Transcode 2" */
1614             [o_tab_pageHolder selectTabViewItemAtIndex:6];
1615         }
1616         /* rename the forward-button */
1617         [o_btn_forward setTitle: _NS("Next")];
1618     }
1619     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1620         @"Transcode 2"])
1621     {
1622         /* show "Encap" */
1623         [o_tab_pageHolder selectTabViewItemAtIndex:4];
1624     }
1625     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1626         @"Streaming 2"])
1627     {
1628         /* show "Encap" */
1629         [o_tab_pageHolder selectTabViewItemAtIndex:4];
1630     }
1631     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1632         @"Encap"])
1633     {
1634         /* show "Transcode 1" */
1635         [o_tab_pageHolder selectTabViewItemAtIndex:3];
1636     }
1637     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1638         @"Streaming 1"])
1639     {
1640         /* show "Input" */
1641         [o_tab_pageHolder selectTabViewItemAtIndex:1];
1642     }
1643     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1644         @"Transcode 1"])
1645     {
1646         if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] isEqualToString:@"strmg"])
1647         {
1648             /* show "Streaming 1" */
1649             [o_tab_pageHolder selectTabViewItemAtIndex:2];
1650         }else{
1651             /* show "Input" */
1652             [o_tab_pageHolder selectTabViewItemAtIndex:1];
1653         }
1654     }
1655     else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString:
1656         @"Input"])
1657     {
1658         /* reset the wizard before going backwards. Otherwise, we might get
1659          * unwanted behaviours in the Encap-Selection */
1660         [self resetWizard];
1661         /* show "Hello" */
1662         [o_tab_pageHolder selectTabViewItemAtIndex:0];
1663         /* disable backwards-btn */
1664         [o_btn_backward setEnabled:NO];
1665     }
1666 }
1667
1668 - (IBAction)t1_mrInfo_streaming:(id)sender
1669 {
1670     /* show a sheet for the help */
1671     NSBeginInformationalAlertSheet(_NS("Stream to network"),
1672         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
1673         _NS("This allows to stream on a network."));
1674 }
1675
1676 - (IBAction)t1_mrInfo_transcode:(id)sender
1677 {
1678     /* show a sheet for the help */
1679     NSBeginInformationalAlertSheet(_NS("Transcode/Save to file"),
1680         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
1681         _NS("This allows to save a stream to a file. The "
1682         "can be reencoded on the fly. Whatever "
1683         "VLC can read can be saved.\nPlease note that VLC is not very suited "
1684         "for file to file transcoding. Its transcoding "
1685         "features are however useful to save network streams, for example."));
1686 }
1687
1688 - (IBAction)t2_addNewStream:(id)sender
1689 {
1690     NSOpenPanel * openPanel = [NSOpenPanel openPanel];
1691     SEL sel = @selector(t2_getNewStreamFromDialog:returnCode:contextInfo:);
1692     [openPanel beginSheetForDirectory:nil file:nil types:nil modalForWindow:
1693         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1694 }
1695
1696 - (void)t2_getNewStreamFromDialog: (NSOpenPanel *)sheet 
1697                        returnCode: (int)returnCode
1698                       contextInfo: (void *)contextInfo
1699 {
1700     if (returnCode == NSOKButton)
1701     {
1702         [o_t2_fld_pathToNewStrm setStringValue: [@"file://"
1703             stringByAppendingString: [sheet filename]]];
1704     }
1705 }
1706
1707 - (IBAction)t2_chooseStreamOrPlst:(id)sender
1708 {
1709     /* enable and disable the respective items depending on user's choice */
1710     NSString *o_mode;
1711     o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
1712
1713     if( [o_mode isEqualToString: _NS("Select a stream")] )
1714     {
1715         [o_t2_btn_chooseFile setEnabled:YES];
1716         [o_t2_fld_pathToNewStrm setEnabled:YES];
1717         [o_t2_tbl_plst setEnabled:NO];
1718     } else {
1719         [o_t2_btn_chooseFile setEnabled:NO];
1720         [o_t2_fld_pathToNewStrm setEnabled:NO];
1721         [o_t2_tbl_plst setEnabled:YES];
1722     }
1723 }
1724
1725 - (IBAction)t2_enableExtract:(id)sender
1726 {
1727     /* enable/disable the respective items */
1728     if([o_t2_ckb_enblPartExtrct state] == NSOnState)
1729     {
1730         [o_t2_fld_prtExtrctFrom setEnabled:YES];
1731         [o_t2_fld_prtExtrctTo setEnabled:YES];
1732     } else {
1733         [o_t2_fld_prtExtrctFrom setEnabled:NO];
1734         [o_t2_fld_prtExtrctTo setEnabled:NO];
1735         [o_t2_fld_prtExtrctFrom setStringValue:@""];
1736         [o_t2_fld_prtExtrctTo setStringValue:@""];
1737     }
1738 }
1739
1740 - (IBAction)t3_strmMthdChanged:(id)sender
1741 {
1742     /* change the captions of o_t3_txt_destInfo according to the chosen
1743      * streaming method */
1744     int mode;
1745     mode = [[o_t3_matrix_stmgMhd selectedCell] tag];
1746     if( mode == 0 )
1747     {
1748         /* HTTP */
1749         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:0]
1750             objectAtIndex:2]];
1751         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:0]
1752             objectAtIndex:3]];
1753     }
1754     else if( mode == 1 )
1755     {
1756         /* MMS */
1757         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:1]
1758             objectAtIndex:2]];
1759         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:1]
1760             objectAtIndex:3]];
1761     }
1762     else if( mode == 2 )
1763     {
1764         /* UDP-Unicast */
1765         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:2]
1766             objectAtIndex:2]];
1767         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:2]
1768         objectAtIndex:3]];
1769     }
1770     else if( mode == 3 )
1771     {
1772         /* UDP-Multicast */
1773         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:3]
1774             objectAtIndex:2]];
1775         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:3]
1776         objectAtIndex:3]];
1777     }
1778     else if( mode == 4 )
1779     {
1780         /* RTP-Unicast */
1781         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:4]
1782             objectAtIndex:2]];
1783         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:4]
1784             objectAtIndex:3]];
1785     }
1786     else if( mode == 5 )
1787     {
1788         /* RTP-Multicast */
1789         [o_t3_txt_destInfo setStringValue: [[o_strmgMthds objectAtIndex:5]
1790             objectAtIndex:2]];
1791         [o_t3_txt_strgMthdInfo setStringValue: [[o_strmgMthds objectAtIndex:5]
1792         objectAtIndex:3]];
1793     }
1794 }
1795
1796 - (IBAction)t4_AudCdcChanged:(id)sender
1797 {
1798     /* update codec info */
1799     [o_t4_txt_hintAudio setStringValue:[[o_audioCodecs objectAtIndex:
1800         [o_t4_pop_audioCodec indexOfSelectedItem]] objectAtIndex:2]];
1801 }
1802
1803 - (IBAction)t4_enblAudTrnscd:(id)sender
1804 {
1805     /* enable/disable the respective items */
1806     if([o_t4_ckb_audio state] == NSOnState)
1807     {
1808         [o_t4_pop_audioCodec setEnabled:YES];
1809         [o_t4_pop_audioBitrate setEnabled:YES];
1810         [o_t4_txt_hintAudio setStringValue: _NS("Select your audio codec. "
1811         "Click one to get more information.")];
1812     } else {
1813         [o_t4_pop_audioCodec setEnabled:NO];
1814         [o_t4_pop_audioBitrate setEnabled:NO];
1815         [o_t4_txt_hintAudio setStringValue: _NS("Enabling this allows to transcode "
1816         "the audio track if one is present in the stream.")];
1817     }
1818 }
1819
1820 - (IBAction)t4_enblVidTrnscd:(id)sender
1821 {
1822     /* enable/disable the respective items */
1823     if([o_t4_ckb_video state] == NSOnState)
1824     {
1825         [o_t4_pop_videoCodec setEnabled:YES];
1826         [o_t4_pop_videoBitrate setEnabled:YES];
1827         [o_t4_txt_hintVideo setStringValue: _NS("Select your video codec. "\
1828         "Click one to get more information.")];
1829     } else {
1830         [o_t4_pop_videoCodec setEnabled:NO];
1831         [o_t4_pop_videoBitrate setEnabled:NO];
1832         [o_t4_txt_hintVideo setStringValue: _NS("Enabling this allows to transcode "
1833         "the video track if one is present in the stream.")];
1834
1835     }
1836 }
1837
1838 - (IBAction)t4_VidCdcChanged:(id)sender
1839 {
1840     /* update codec info */
1841     [o_t4_txt_hintVideo setStringValue:[[o_videoCodecs objectAtIndex:
1842         [o_t4_pop_videoCodec indexOfSelectedItem]] objectAtIndex:2]];
1843 }
1844
1845 - (IBAction)t6_enblSapAnnce:(id)sender
1846 {
1847     /* enable/disable input fld */
1848     if([o_t6_ckb_sap state] == NSOnState)
1849     {
1850         [o_t6_fld_sap setEnabled:YES];
1851     } else {
1852         [o_t6_fld_sap setEnabled:NO];
1853         [o_t6_fld_sap setStringValue:@""];
1854     }
1855 }
1856
1857 - (IBAction)t6_mrInfo_ttl:(id)sender
1858 {
1859     /* show a sheet for the help */
1860     NSBeginInformationalAlertSheet(_NS("Time-To-Live (TTL)"),
1861         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
1862         _NS("This allows to define the TTL (Time-To-Live) of the stream. "
1863             "This parameter is the maximum number of routers your stream can "
1864             "go through. If you don't know what it means, or if you want to "
1865             "stream on your local network only, leave this setting to 1."));
1866 }
1867
1868 - (IBAction)t6_mrInfo_sap:(id)sender
1869 {
1870     /* show a sheet for the help */
1871     NSBeginInformationalAlertSheet(_NS("SAP Announce"),
1872         _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
1873         _NS("When streaming using UDP, the streams can be "
1874         "announced using the SAP/SDP announcing protocol. This "
1875         "way, the clients won't have to type in the multicast address, it "
1876         "will appear in their playlist if they enable the SAP extra "
1877         "interface.\nIf you want to give a name to your stream, enter it "
1878         "here, else, a default name will be used."));
1879 }
1880
1881 - (IBAction)t67_mrInfo_local:(id)sender
1882 {
1883     /* show a sheet for the help */
1884     NSBeginInformationalAlertSheet(_NS("Local playback"),
1885             _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil,
1886             _NS("When this option is enabled, the stream will be both played "
1887             "and transcoded/streamed.\n\nNote that this requires much more "
1888             "CPU power than simple transcoding or streaming."));
1889 }
1890
1891 - (IBAction)t7_selectTrnscdDestFile:(id)sender
1892 {
1893     /* provide a save-to-dialogue, so the user can choose a location for
1894      * his/her new file. We take a modified NSOpenPanel to select a folder
1895      * and a plain NSSavePanel to save a single file. */
1896
1897     SEL sel = @selector(t7_getTrnscdDestFile:returnCode:contextInfo:);
1898  
1899     if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1900     {
1901         NSOpenPanel * saveFolderPanel = [[NSOpenPanel alloc] init];
1902  
1903         [saveFolderPanel setCanChooseDirectories: YES];
1904         [saveFolderPanel setCanChooseFiles: NO];
1905         [saveFolderPanel setCanSelectHiddenExtension: NO];
1906         [saveFolderPanel setCanCreateDirectories: YES];
1907         [saveFolderPanel beginSheetForDirectory:nil file:nil modalForWindow:
1908         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1909     }
1910     else
1911     {
1912         NSSavePanel * saveFilePanel = [[NSSavePanel alloc] init];
1913
1914         /* don't use ".ps" as suffix, since the OSX Finder confuses our
1915          * creations with PostScript-files and wants to open them with
1916          * Preview.app */
1917         NSString * theEncapFormat = [[o_encapFormats objectAtIndex:
1918         [[o_userSelections objectForKey:@"encapFormat"] intValue]]
1919         objectAtIndex:0];
1920         if( theEncapFormat != @"ps" )
1921             [saveFilePanel setRequiredFileType: theEncapFormat];
1922         else
1923             [saveFilePanel setRequiredFileType: @"mpg"];
1924
1925         [saveFilePanel setCanSelectHiddenExtension: YES];
1926         [saveFilePanel setCanCreateDirectories: YES];
1927         [saveFilePanel beginSheetForDirectory:nil file:nil modalForWindow:
1928         o_wizard_window modalDelegate:self didEndSelector:sel contextInfo:nil];
1929     }
1930 }
1931
1932 - (void)t7_getTrnscdDestFile: (NSOpenPanel *)sheet returnCode:
1933     (int)returnCode contextInfo: (void *)contextInfo
1934 {
1935     if (returnCode == NSOKButton)
1936     {
1937         /* output returned path to text-field, add a / to the end if the user
1938          * selected a folder */
1939         if( [[o_userSelections objectForKey:@"pathToStrm"] count] > 1 )
1940             [o_t7_fld_filePath setStringValue: [NSString stringWithFormat:
1941                 @"%@/", [sheet filename]]];
1942         else
1943             [o_t7_fld_filePath setStringValue:[sheet filename]];
1944     }
1945     [sheet release];
1946 }
1947
1948 @end