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

   1 /*****************************************************************************
   2  * output.m: MacOS X Output Dialog
   3  *****************************************************************************
   4  * Copyright (C) 2002-2007 VLC authors and VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
   8  *          Christophe Massiot <massiot@via.ecp.fr>
   9  *          Derk-Jan Hartman <thedj@users.sourceforge.net>
  10  *          Benjamin Pracht <bigben AT videolan DOT org>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  25  *****************************************************************************/
  26
  27 /*****************************************************************************
  28  * Preamble
  29  *****************************************************************************/
  30 #include <stdlib.h>                                      /* malloc(), free() */
  31 #include <string.h>
  32
  33 #include "intf.h"
  34 #include "output.h"
  35
  36 /*****************************************************************************
  37  * VLCOutput implementation
  38  *****************************************************************************/
  39 @implementation VLCOutput
  40
  41 - (id)init
  42 {
  43     self = [super init];
  44     o_mrl = [[NSArray alloc] init];
  45     o_transcode = [[NSString alloc] init];
  46     return self;
  47 }
  48
  49 - (void)dealloc
  50 {
  51     [o_mrl release];
  52     [o_transcode release];
  53     [super dealloc];
  54 }
  55
  56 - (void)setMRL:(NSArray *)o_mrl_array
  57 {
  58     [o_mrl autorelease];
  59     o_mrl = [o_mrl_array copy];
  60 }
  61
  62 - (NSArray *)mrl
  63 {
  64     return [o_mrl copy];
  65 }
  66
  67 - (void)setTranscode:(NSString *)o_transcode_string
  68 {
  69     [o_transcode autorelease];
  70     o_transcode = [o_transcode_string copy];
  71 }
  72
  73 - (void)awakeFromNib
  74 {
  75     [self initStrings];
  76
  77     [[NSNotificationCenter defaultCenter] addObserver: self
  78         selector: @selector(outputInfoChanged:)
  79         name: NSControlTextDidChangeNotification
  80         object: o_file_field];
  81     [[NSNotificationCenter defaultCenter] addObserver: self
  82         selector: @selector(outputInfoChanged:)
  83         name: NSControlTextDidChangeNotification
  84         object: o_stream_address];
  85     [[NSNotificationCenter defaultCenter] addObserver: self
  86         selector: @selector(outputInfoChanged:)
  87         name: NSControlTextDidChangeNotification
  88         object: o_stream_port];
  89     [[NSNotificationCenter defaultCenter] addObserver: self
  90         selector: @selector(TTLChanged:)
  91         name: NSControlTextDidChangeNotification
  92         object: o_stream_ttl];
  93     [[NSNotificationCenter defaultCenter] addObserver: self
  94         selector: @selector(transcodeInfoChanged:)
  95         name: NSControlTextDidChangeNotification
  96         object: o_transcode_video_bitrate];
  97     [[NSNotificationCenter defaultCenter] addObserver: self
  98         selector: @selector(transcodeInfoChanged:)
  99         name: NSControlTextDidChangeNotification
 100         object: o_transcode_video_scale];
 101     [[NSNotificationCenter defaultCenter] addObserver: self
 102         selector: @selector(transcodeInfoChanged:)
 103         name: NSControlTextDidChangeNotification
 104         object: o_transcode_audio_bitrate];
 105     [[NSNotificationCenter defaultCenter] addObserver: self
 106         selector: @selector(transcodeInfoChanged:)
 107         name: NSControlTextDidChangeNotification
 108         object: o_transcode_audio_channels];
 109     [[NSNotificationCenter defaultCenter] addObserver: self
 110         selector: @selector(transcodeInfoChanged:)
 111         name: NSControlTextDidChangeNotification
 112         object: o_channel_name];
 113     [[NSNotificationCenter defaultCenter] addObserver: self
 114         selector: @selector(transcodeInfoChanged:)
 115         name: NSControlTextDidChangeNotification
 116         object: o_sdp_url];
 117
 118     [o_mux_selector setAutoenablesItems: NO];
 119     [self transcodeChanged:nil];
 120 }
 121
 122 - (void)initStrings
 123 {
 124     NSArray *o_muxers = [NSArray arrayWithObjects: @"MPEG TS", @"MPEG PS", @"MPEG 1",
 125         @"Ogg", @"AVI", @"ASF", @"MPEG 4", @"Quicktime", @"Raw", nil];
 126     NSArray *o_a_channels = [NSArray arrayWithObjects: @"1", @"2", @"4", @"6", nil];
 127     NSArray *o_a_bitrates = [NSArray arrayWithObjects: @"16", @"32", @"64", @"96",
 128         @"128", @"192", @"256", @"512", nil];
 129     NSArray *o_v_bitrates = [NSArray arrayWithObjects: @"16", @"32", @"64", @"96",
 130         @"128", @"192", @"256", @"384", @"512", @"768", @"1024", @"2048", @"3072", nil];
 131     NSArray *o_v_scales = [NSArray arrayWithObjects: @"0.25",@"0.5",@"0.75",@"1",@"1.25",@"1.5",@"1.75",@"2",nil];
 132     NSArray *o_a_codecs = [NSArray arrayWithObjects: @"mpga", @"mp3 ", @"mp4a", @"a52 ", @"vorb", @"flac", @"spx ", nil];
 133     NSArray *o_v_codecs = [NSArray arrayWithObjects: @"mp1v", @"mp2v", @"mp4v", @"DIV1",
 134         @"DIV2", @"DIV3", @"h263", @"h264", @"WMV1", @"WMV2", @"MJPG", @"theo", nil];
 135
 136     [o_output_ckbox setTitle: _NS("Streaming/Saving:")];
 137     [o_output_settings setTitle: _NS("Settings...")];
 138     [o_btn_ok setTitle: _NS("OK")];
 139
 140     [o_options_lbl setTitle: _NS("Streaming and Transcoding Options")];
 141     [o_display setTitle: _NS("Display the stream locally")];
 142     [[o_method cellAtRow:0 column:0] setTitle: _NS("File")];
 143     [[o_method cellAtRow:1 column:0] setTitle: _NS("Stream")];
 144     [o_dump_chkbox setTitle: _NS("Dump raw input")];
 145     [o_btn_browse setTitle: _NS("Browse...")];
 146     [o_stream_address_lbl setStringValue: _NS("Address")];
 147     [o_stream_port_lbl setStringValue: _NS("Port")];
 148     [o_stream_ttl_lbl setStringValue: @"TTL"];
 149     [[o_stream_type itemAtIndex: 0] setTitle: @"HTTP"];
 150     [[o_stream_type itemAtIndex: 1] setTitle: @"MMSH"];
 151     [[o_stream_type itemAtIndex: 2] setTitle: @"UDP"];
 152     [[o_stream_type itemAtIndex: 3] setTitle: @"RTP"];
 153     [o_stream_type_lbl setStringValue: _NS("Type")];
 154
 155     [o_mux_lbl setStringValue: _NS("Encapsulation Method")];
 156     [o_mux_selector removeAllItems];
 157     [o_mux_selector addItemsWithTitles: o_muxers];
 158
 159     [o_transcode_lbl setTitle: _NS("Transcoding options")];
 160     [o_transcode_video_chkbox setTitle: _NS("Video")];
 161     [o_transcode_video_selector removeAllItems];
 162     [o_transcode_video_selector addItemsWithTitles: o_v_codecs];
 163     [o_transcode_video_bitrate_lbl setStringValue: _NS("Bitrate (kb/s)")];
 164     [o_transcode_video_bitrate removeAllItems];
 165     [o_transcode_video_bitrate addItemsWithObjectValues: o_v_bitrates];
 166     [o_transcode_video_scale_lbl setStringValue: _NS("Scale")];
 167     [o_transcode_video_scale removeAllItems];
 168     [o_transcode_video_scale addItemsWithObjectValues: o_v_scales];
 169     [o_transcode_video_scale selectItemWithObjectValue: @"1"];
 170     [o_transcode_audio_chkbox setTitle: _NS("Audio")];
 171     [o_transcode_audio_selector removeAllItems];
 172     [o_transcode_audio_selector addItemsWithTitles: o_a_codecs];
 173     [o_transcode_audio_bitrate_lbl setStringValue: _NS("Bitrate (kb/s)")];
 174     [o_transcode_audio_bitrate removeAllItems];
 175     [o_transcode_audio_bitrate addItemsWithObjectValues: o_a_bitrates];
 176     [o_transcode_audio_channels_lbl setStringValue: _NS("Channels")];
 177     [o_transcode_audio_channels removeAllItems];
 178     [o_transcode_audio_channels addItemsWithObjectValues: o_a_channels];
 179
 180     [o_misc_lbl setTitle: _NS("Stream Announcing")];
 181     [o_sap_chkbox setTitle: _NS("SAP announce")];
 182     [o_rtsp_chkbox setTitle: _NS("RTSP announce")];
 183     [o_http_chkbox setTitle:_NS("HTTP announce")];
 184     [o_file_chkbox setTitle:_NS("Export SDP as file")];
 185
 186     [o_channel_name_lbl setStringValue: _NS("Channel Name")];
 187     [o_sdp_url_lbl setStringValue: _NS("SDP URL")];
 188 }
 189
 190 - (IBAction)outputChanged:(id)sender;
 191 {
 192     if ([o_output_ckbox state] == NSOnState)
 193     {
 194         [o_output_settings setEnabled:YES];
 195     }
 196     else
 197     {
 198         [o_output_settings setEnabled:NO];
 199     }
 200 }
 201
 202 - (IBAction)outputSettings:(id)sender
 203 {
 204     [NSApp beginSheet: o_output_sheet
 205         modalForWindow: o_open_panel
 206         modalDelegate: self
 207         didEndSelector: NULL
 208         contextInfo: nil];
 209 }
 210
 211 - (IBAction)outputCloseSheet:(id)sender
 212 {
 213     [o_output_sheet orderOut:sender];
 214     [NSApp endSheet: o_output_sheet];
 215 }
 216
 217 - (void)outputMethodChanged:(NSNotification *)o_notification
 218 {
 219     NSString *o_mode;
 220     o_mode = [[o_method selectedCell] title];
 221
 222     [o_sap_chkbox setEnabled: NO];
 223     [o_http_chkbox setEnabled: NO];
 224     [o_rtsp_chkbox setEnabled: NO];
 225     [o_file_chkbox setEnabled: NO];
 226     [o_channel_name setEnabled: NO];
 227     [o_sdp_url setEnabled: NO];
 228     [[o_mux_selector itemAtIndex: 0] setEnabled: YES];
 229
 230     if( [o_mode isEqualToString: _NS("File")] )
 231     {
 232         [o_file_field setEnabled: YES];
 233         [o_btn_browse setEnabled: YES];
 234         [o_dump_chkbox setEnabled: YES];
 235         [o_stream_address setEnabled: NO];
 236         [o_stream_port setEnabled: NO];
 237         [o_stream_ttl setEnabled: NO];
 238         [o_stream_port_stp setEnabled: NO];
 239         [o_stream_ttl_stp setEnabled: NO];
 240         [o_stream_type setEnabled: NO];
 241         [o_mux_selector setEnabled: YES];
 242         [[o_mux_selector itemAtIndex: 1] setEnabled: YES]; // MPEG PS
 243         [[o_mux_selector itemAtIndex: 2] setEnabled: YES]; // MPEG 1
 244         [[o_mux_selector itemAtIndex: 3] setEnabled: YES]; // Ogg
 245         [[o_mux_selector itemAtIndex: 4] setEnabled: YES]; // AVI
 246         [[o_mux_selector itemAtIndex: 5] setEnabled: YES]; // ASF
 247         [[o_mux_selector itemAtIndex: 6] setEnabled: YES]; // MPEG 4
 248         [[o_mux_selector itemAtIndex: 7] setEnabled: YES]; // QuickTime
 249         [[o_mux_selector itemAtIndex: 8] setEnabled: YES]; // Raw
 250     }
 251     else if( [o_mode isEqualToString: _NS("Stream")] )
 252     {
 253         [o_file_field setEnabled: NO];
 254         [o_dump_chkbox setEnabled: NO];
 255         [o_btn_browse setEnabled: NO];
 256         [o_stream_port setEnabled: YES];
 257         [o_stream_port_stp setEnabled: YES];
 258         [o_stream_type setEnabled: YES];
 259         [o_mux_selector setEnabled: YES];
 260
 261         o_mode = [o_stream_type titleOfSelectedItem];
 262
 263         if( [o_mode isEqualToString: @"HTTP"] )
 264         {
 265             [o_stream_address setEnabled: YES];
 266             [o_stream_ttl setEnabled: NO];
 267             [o_stream_ttl_stp setEnabled: NO];
 268             [[o_mux_selector itemAtIndex: 1] setEnabled: YES];
 269             [[o_mux_selector itemAtIndex: 2] setEnabled: YES];
 270             [[o_mux_selector itemAtIndex: 3] setEnabled: YES];
 271             [[o_mux_selector itemAtIndex: 4] setEnabled: NO];
 272             [[o_mux_selector itemAtIndex: 5] setEnabled: YES];
 273             [[o_mux_selector itemAtIndex: 6] setEnabled: NO];
 274             [[o_mux_selector itemAtIndex: 7] setEnabled: NO];
 275             [[o_mux_selector itemAtIndex: 8] setEnabled: YES];
 276         }
 277         else if( [o_mode isEqualToString: @"MMSH"] )
 278         {
 279             [o_stream_address setEnabled: YES];
 280             [o_stream_ttl setEnabled: NO];
 281             [o_stream_ttl_stp setEnabled: NO];
 282             [[o_mux_selector itemAtIndex: 0] setEnabled: NO];
 283             [[o_mux_selector itemAtIndex: 1] setEnabled: NO];
 284             [[o_mux_selector itemAtIndex: 2] setEnabled: NO];
 285             [[o_mux_selector itemAtIndex: 3] setEnabled: NO];
 286             [[o_mux_selector itemAtIndex: 4] setEnabled: NO];
 287             [[o_mux_selector itemAtIndex: 5] setEnabled: YES];
 288             [[o_mux_selector itemAtIndex: 6] setEnabled: NO];
 289             [[o_mux_selector itemAtIndex: 7] setEnabled: NO];
 290             [[o_mux_selector itemAtIndex: 8] setEnabled: NO];
 291             [o_mux_selector selectItemAtIndex: 5];
 292         }
 293         else if( [o_mode isEqualToString: @"UDP"] )
 294         {
 295             [o_stream_address setEnabled: YES];
 296             [o_stream_ttl setEnabled: YES];
 297             [o_stream_ttl_stp setEnabled: YES];
 298             [[o_mux_selector itemAtIndex: 1] setEnabled: NO];
 299             [[o_mux_selector itemAtIndex: 2] setEnabled: NO];
 300             [[o_mux_selector itemAtIndex: 3] setEnabled: NO];
 301             [[o_mux_selector itemAtIndex: 4] setEnabled: NO];
 302             [[o_mux_selector itemAtIndex: 5] setEnabled: NO];
 303             [[o_mux_selector itemAtIndex: 6] setEnabled: NO];
 304             [[o_mux_selector itemAtIndex: 7] setEnabled: NO];
 305             [[o_mux_selector itemAtIndex: 8] setEnabled: YES];
 306             [o_sap_chkbox setEnabled: YES];
 307             [o_channel_name setEnabled: YES];
 308         }
 309         else if( [o_mode isEqualToString: @"RTP"] )
 310         {
 311             [o_stream_address setEnabled: YES];
 312             [o_stream_ttl setEnabled: YES];
 313             [o_stream_ttl_stp setEnabled: YES];
 314             [[o_mux_selector itemAtIndex: 0] setEnabled: NO];
 315             [[o_mux_selector itemAtIndex: 1] setEnabled: NO];
 316             [[o_mux_selector itemAtIndex: 2] setEnabled: NO];
 317             [[o_mux_selector itemAtIndex: 3] setEnabled: NO];
 318             [[o_mux_selector itemAtIndex: 4] setEnabled: NO];
 319             [[o_mux_selector itemAtIndex: 5] setEnabled: NO];
 320             [[o_mux_selector itemAtIndex: 6] setEnabled: NO];
 321             [[o_mux_selector itemAtIndex: 7] setEnabled: NO];
 322             [[o_mux_selector itemAtIndex: 8] setEnabled: YES];
 323             [o_mux_selector selectItemAtIndex: 8];
 324             [o_sap_chkbox setEnabled: YES];
 325             [o_rtsp_chkbox setEnabled: YES];
 326             [o_http_chkbox setEnabled: YES];
 327             [o_file_chkbox setEnabled: YES];
 328             [o_channel_name setEnabled: YES];
 329         }
 330     }
 331
 332     if( ![[o_mux_selector selectedItem] isEnabled] && ![o_mode isEqualToString: @"RTP"] )
 333     {
 334         [o_mux_selector selectItemAtIndex: 0];
 335     }
 336     else if (![[o_mux_selector selectedItem] isEnabled] && [o_mode isEqualToString: @"RTP"] )
 337     {
 338         [o_mux_selector selectItemAtIndex: 8];
 339     }
 340     [self outputInfoChanged: nil];
 341 }
 342
 343 - (void)outputInfoChanged:(NSNotification *)o_notification
 344 {
 345     NSString *o_mode, *o_mux, *o_mux_string;
 346     NSMutableString *o_announce = [NSMutableString stringWithString:@""];
 347     NSMutableString *o_mrl_string = [NSMutableString stringWithString:@":sout=#"];
 348     NSArray *o_sout_options;
 349
 350     [o_mrl_string appendString: o_transcode];
 351     if( [o_display state] == NSOnState )
 352     {
 353         [o_mrl_string appendString: @"duplicate{dst=display,dst="];
 354     }
 355
 356     o_mode = [[o_method selectedCell] title];
 357     o_mux = [o_mux_selector titleOfSelectedItem];
 358
 359     if ( [o_mux isEqualToString: @"AVI"] ) o_mux_string = @"avi";
 360     else if ( [o_mux isEqualToString: @"Ogg"] ) o_mux_string = @"ogg";
 361     else if ( [o_mux isEqualToString: @"MPEG PS"] ) o_mux_string = @"ps";
 362     else if ( [o_mux isEqualToString: @"MPEG 4"] ) o_mux_string = @"mp4";
 363     else if ( [o_mux isEqualToString: @"MPEG 1"] ) o_mux_string = @"mpeg1";
 364     else if ( [o_mux isEqualToString: @"Quicktime"] ) o_mux_string = @"mov";
 365     else if ( [o_mux isEqualToString: @"ASF"] ) o_mux_string = @"asf";
 366     else if ( [o_mux isEqualToString: @"Raw"] ) o_mux_string = @"raw";
 367     else o_mux_string = @"ts";
 368
 369     if( [o_mode isEqualToString: _NS("File")] )
 370     {
 371         if( [o_dump_chkbox state] == NSOnState )
 372         {
 373             NSMutableArray * o_sout_options;
 374             o_sout_options = [NSArray arrayWithObjects:
 375                                     [NSString stringWithString:
 376                                     @":demux=dump"],
 377                                     [NSString stringWithFormat:
 378                                     @":demuxdump-file=%@",
 379                                     [o_file_field stringValue]],
 380                                     nil];
 381             [self setMRL:o_sout_options];
 382             return;
 383         }
 384         else
 385         {
 386                 [o_mrl_string appendFormat:
 387                         @"std{access=file,mux=%@,dst=\"%@\"}",
 388                         o_mux_string, [o_file_field stringValue]];
 389         }
 390     }
 391     else if( [o_mode isEqualToString: _NS("Stream")] )
 392     {
 393         o_mode = [o_stream_type titleOfSelectedItem];
 394
 395         if ( [o_mode isEqualToString: @"HTTP"] )
 396             o_mode = @"http";
 397         else if ( [o_mode isEqualToString: @"MMSH"] )
 398         {
 399             if ( [o_mux isEqualToString: @"ASF"] ) o_mux_string = @"asfh";
 400             o_mode = @"mmsh";
 401         }
 402         else if ( [o_mode isEqualToString: @"UDP"] )
 403         {
 404             o_mode = @"udp";
 405             if( [o_sap_chkbox state] == NSOnState )
 406             {
 407                 if ( ![[o_channel_name stringValue] isEqualToString: @""] )
 408                     [o_announce appendFormat:
 409                         @",sap,name=%@", [o_channel_name stringValue]];
 410                 else
 411                     [o_announce appendFormat:@",sap"];
 412             }
 413         }
 414         if ( ![o_mode isEqualToString: @"RTP"] )
 415         {
 416             /* split up the hostname and the following path to paste the
 417              * port correctly. Not need, if there isn't any path following the
 418              * hostname. */
 419             NSArray * o_urlItems = [[o_stream_address stringValue] componentsSeparatedByString: @"/"];
 420             NSMutableString * o_finalStreamAddress;
 421             o_finalStreamAddress = [[NSMutableString alloc] init];
 422
 423             if ([o_urlItems count] == 1)
 424             {
 425                 [o_finalStreamAddress appendFormat: @"\"%@:%@\"", [o_stream_address stringValue],[o_stream_port stringValue]];
 426             }
 427             else
 428             {
 429                 [o_finalStreamAddress appendFormat: @"\"%@:%@", [o_urlItems objectAtIndex: 0], [o_stream_port stringValue]];
 430                 NSUInteger itemCount = [o_urlItems count];
 431                 for (NSUInteger x = 0; x < itemCount; x++)
 432                 {
 433                     [o_finalStreamAddress appendFormat: @"/%@", [o_urlItems objectAtIndex: x]];
 434                 }
 435                 [o_finalStreamAddress appendString: @"\""];
 436             }
 437
 438             [o_mrl_string appendFormat:
 439                         @"std{access=%@,mux=%@,dst=%@%@}",
 440                         o_mode, o_mux_string, o_finalStreamAddress, o_announce];
 441         }
 442         else
 443         {
 444             NSString * o_stream_name;
 445
 446             if (![[o_channel_name stringValue] isEqualToString: @""] )
 447             {
 448                 o_stream_name = [NSString stringWithFormat:@",name=%@",
 449                                 [o_channel_name stringValue]];
 450             }
 451             else
 452             {
 453                 o_stream_name = @"";
 454             }
 455
 456             if ( [o_sap_chkbox state] == NSOnState )
 457             {
 458                 [o_announce appendString: @",sdp=sap"];
 459             }
 460             if ([o_rtsp_chkbox state] == NSOnState )
 461             {
 462                 [o_announce appendFormat:@",sdp=\"rtsp://%@\"",[o_sdp_url stringValue]];
 463
 464             }
 465             if ([o_http_chkbox state] == NSOnState )
 466             {
 467                 [o_announce appendFormat:@",sdp=\"http://%@\"",[o_sdp_url stringValue]];
 468             }
 469             if ([o_file_chkbox state] == NSOnState )
 470             {
 471                 [o_announce appendFormat:@",sdp=\"file://%@\"",[o_sdp_url stringValue]];
 472             }
 473             [o_mrl_string appendFormat:
 474                         @"rtp{dst=\"%@\",port=%@%@%@}",[o_stream_address stringValue],
 475                         [o_stream_port stringValue], o_stream_name, o_announce];
 476         }
 477
 478     }
 479     if( [o_display state] == NSOnState )
 480     {
 481         [o_mrl_string appendString: @"}"];
 482     }
 483     o_sout_options = [NSArray arrayWithObjects: o_mrl_string,nil];
 484     [self setMRL:o_sout_options];
 485 }
 486
 487 - (void)TTLChanged:(NSNotification *)o_notification
 488 {
 489     intf_thread_t * p_intf = VLCIntf;
 490     config_PutInt( p_intf, "ttl", [o_stream_ttl intValue] );
 491 }
 492
 493 - (IBAction)outputFileBrowse:(id)sender
 494 {
 495     NSSavePanel *o_save_panel = [NSSavePanel savePanel];
 496     NSString *o_mux_string;
 497     if ( [[o_mux_selector titleOfSelectedItem] isEqualToString: @"MPEG PS"] )
 498         o_mux_string = @"vob";
 499     else if ( [[o_mux_selector titleOfSelectedItem] isEqualToString: @"MPEG 1"] )
 500         o_mux_string = @"mpg";
 501     else if ( [[o_mux_selector titleOfSelectedItem] isEqualToString: @"AVI"] )
 502         o_mux_string = @"avi";
 503     else if ( [[o_mux_selector titleOfSelectedItem] isEqualToString: @"ASF"] )
 504         o_mux_string = @"asf";
 505     else if ( [[o_mux_selector titleOfSelectedItem] isEqualToString: @"Ogg"] )
 506         o_mux_string = @"ogm";
 507     else if ( [[o_mux_selector titleOfSelectedItem] isEqualToString: @"MPEG 4"] )
 508         o_mux_string = @"mp4";
 509     else if ( [[o_mux_selector titleOfSelectedItem] isEqualToString: @"Quicktime"] )
 510         o_mux_string = @"mov";
 511     else if ( [[o_mux_selector titleOfSelectedItem] isEqualToString: @"Raw"] )
 512         o_mux_string = @"raw";
 513     else
 514         o_mux_string = @"ts";
 515
 516     NSString * o_name = [NSString stringWithFormat: @"vlc-output.%@",
 517                          o_mux_string];
 518
 519     [o_save_panel setTitle: _NS("Save File")];
 520     [o_save_panel setPrompt: _NS("Save")];
 521
 522     if( [o_save_panel runModalForDirectory: nil
 523             file: o_name] == NSOKButton )
 524     {
 525         NSString *o_filename = [[o_save_panel URL] path];
 526         [o_file_field setStringValue: o_filename];
 527         [self outputInfoChanged: nil];
 528     }
 529 }
 530
 531 - (IBAction)streamPortStepperChanged:(id)sender
 532 {
 533     [o_stream_port setIntValue: [o_stream_port_stp intValue]];
 534     [self outputInfoChanged: nil];
 535 }
 536
 537 - (IBAction)streamTTLStepperChanged:(id)sender
 538 {
 539     [o_stream_ttl setIntValue: [o_stream_ttl_stp intValue]];
 540     [self TTLChanged:nil];
 541 }
 542
 543 - (void)transcodeChanged:(NSNotification *)o_notification
 544 {
 545     if( [o_transcode_video_chkbox state] == NSOnState )
 546     {
 547         [o_transcode_video_selector setEnabled: YES];
 548         [o_transcode_video_bitrate setEnabled: YES];
 549         [o_transcode_video_scale setEnabled: YES];
 550     }
 551     else
 552     {
 553         [o_transcode_video_selector setEnabled: NO];
 554         [o_transcode_video_bitrate setEnabled: NO];
 555         [o_transcode_video_scale setEnabled: NO];
 556     }
 557     if( [o_transcode_audio_chkbox state] == NSOnState )
 558     {
 559         [o_transcode_audio_selector setEnabled: YES];
 560         [o_transcode_audio_bitrate setEnabled: YES];
 561         [o_transcode_audio_channels setEnabled: YES];
 562     }
 563     else
 564     {
 565         [o_transcode_audio_selector setEnabled: NO];
 566         [o_transcode_audio_bitrate setEnabled: NO];
 567         [o_transcode_audio_channels setEnabled: NO];
 568     }
 569
 570     [self transcodeInfoChanged:nil];
 571 }
 572
 573 - (void)transcodeInfoChanged:(NSNotification *)o_notification
 574 {
 575     NSMutableString *o_transcode_string;
 576
 577     if( [o_transcode_video_chkbox state] == NSOnState ||
 578         [o_transcode_audio_chkbox state] == NSOnState )
 579     {
 580         o_transcode_string = [NSMutableString stringWithString:@"transcode{"];
 581         if ( [o_transcode_video_chkbox state] == NSOnState )
 582         {
 583             [o_transcode_string appendFormat: @"vcodec=\"%@\",vb=\"%@\"" \
 584                                                             ",scale=\"%@\"",
 585                 [o_transcode_video_selector titleOfSelectedItem],
 586                 [o_transcode_video_bitrate stringValue],
 587                 [o_transcode_video_scale stringValue]];
 588             if ( [o_transcode_audio_chkbox state] == NSOnState )
 589             {
 590                 [o_transcode_string appendString: @","];
 591             }
 592         }
 593         if ( [o_transcode_audio_chkbox state] == NSOnState )
 594         {
 595             [o_transcode_string appendFormat: @"acodec=\"%@\",ab=\"%@\"",
 596                 [o_transcode_audio_selector titleOfSelectedItem],
 597                 [o_transcode_audio_bitrate stringValue]];
 598             if ( ![[o_transcode_audio_channels stringValue]
 599                                             isEqualToString: @""])
 600             {
 601                 [o_transcode_string appendFormat: @",channels=\"%@\"",
 602                                    [o_transcode_audio_channels stringValue]];
 603             }
 604         }
 605         [o_transcode_string appendString:@"}:"];
 606     }
 607     else
 608     {
 609         o_transcode_string = [NSString stringWithString:@""];
 610     }
 611     [self setTranscode: o_transcode_string];
 612     [self outputInfoChanged:nil];
 613 }
 614
 615 - (IBAction)announceChanged:(id)sender
 616 {
 617     NSString *o_mode;
 618     o_mode = [[o_stream_type selectedCell] title];
 619     [o_channel_name setEnabled: [o_sap_chkbox state] ||
 620                 [o_mode isEqualToString: @"RTP"]];
 621
 622     if ([o_mode isEqualToString: @"RTP"])
 623     {
 624 /*        if ([[sender title] isEqualToString: _NS("SAP announce")])
 625         {
 626             [o_rtsp_chkbox setState:NSOffState];
 627             [o_http_chkbox setState:NSOffState];
 628         }*/
 629         if ([[sender title] isEqualToString:_NS("RTSP announce")])
 630         {
 631 //            [o_sap_chkbox setState:NSOffState];
 632             [o_http_chkbox setState:NSOffState];
 633             [o_file_chkbox setState:NSOffState];
 634         }
 635         else if ([[sender title] isEqualToString:_NS("HTTP announce")])
 636         {
 637 //            [o_sap_chkbox setState:NSOffState];
 638             [o_rtsp_chkbox setState:NSOffState];
 639             [o_file_chkbox setState:NSOffState];
 640         }
 641         else if ([[sender title] isEqualToString:_NS("Export SDP as file")])
 642         {
 643             [o_rtsp_chkbox setState:NSOffState];
 644             [o_http_chkbox setState:NSOffState];
 645         }
 646
 647         if ( [o_rtsp_chkbox state] == NSOnState ||
 648                             [o_http_chkbox state] == NSOnState ||
 649                             [o_file_chkbox state] == NSOnState )
 650         {
 651             [o_sdp_url setEnabled: YES];
 652         }
 653         else
 654         {
 655             [o_sdp_url setEnabled: NO];
 656         }
 657     }
 658     [self outputInfoChanged: nil];
 659 }
 660
 661 @end