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

   1 /*****************************************************************************
   2  * output.m: MacOS X Output Dialog
   3  *****************************************************************************
   4  * Copyright (C) 2002-2013 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  *          Felix Paul Kühne <fkuehne -at- videolan -dot- org>
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 2 of the License, or
  16  * (at your option) any later version.
  17  *
  18  * This program is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License
  24  * along with this program; if not, write to the Free Software
  25  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  26  *****************************************************************************/
  27
  28 /*****************************************************************************
  29  * Preamble
  30  *****************************************************************************/
  31 #include <stdlib.h>                                      /* malloc(), free() */
  32 #include <string.h>
  33
  34 #include "intf.h"
  35 #include "output.h"
  36
  37 /*****************************************************************************
  38  * VLCOutput implementation
  39  *****************************************************************************/
  40 @implementation VLCOutput
  41 @synthesize soutMRL=o_mrl;
  42
  43 - (id)init
  44 {
  45     self = [super init];
  46     o_mrl = [[NSArray alloc] init];
  47     o_transcode = [[NSString alloc] init];
  48     return self;
  49 }
  50
  51 - (void)dealloc
  52 {
  53     [o_mrl release];
  54     [o_transcode release];
  55     [super dealloc];
  56 }
  57
  58 - (void)setTranscode:(NSString *)o_transcode_string
  59 {
  60     [o_transcode autorelease];
  61     o_transcode = [o_transcode_string copy];
  62 }
  63
  64 - (void)awakeFromNib
  65 {
  66     [self initStrings];
  67
  68     [[NSNotificationCenter defaultCenter] addObserver: self
  69         selector: @selector(outputInfoChanged:)
  70         name: NSControlTextDidChangeNotification
  71         object: o_file_field];
  72     [[NSNotificationCenter defaultCenter] addObserver: self
  73         selector: @selector(outputInfoChanged:)
  74         name: NSControlTextDidChangeNotification
  75         object: o_stream_address];
  76     [[NSNotificationCenter defaultCenter] addObserver: self
  77         selector: @selector(outputInfoChanged:)
  78         name: NSControlTextDidChangeNotification
  79         object: o_stream_port];
  80     [[NSNotificationCenter defaultCenter] addObserver: self
  81         selector: @selector(TTLChanged:)
  82         name: NSControlTextDidChangeNotification
  83         object: o_stream_ttl];
  84     [[NSNotificationCenter defaultCenter] addObserver: self
  85         selector: @selector(transcodeInfoChanged:)
  86         name: NSControlTextDidChangeNotification
  87         object: o_transcode_video_bitrate];
  88     [[NSNotificationCenter defaultCenter] addObserver: self
  89         selector: @selector(transcodeInfoChanged:)
  90         name: NSControlTextDidChangeNotification
  91         object: o_transcode_video_scale];
  92     [[NSNotificationCenter defaultCenter] addObserver: self
  93         selector: @selector(transcodeInfoChanged:)
  94         name: NSControlTextDidChangeNotification
  95         object: o_transcode_audio_bitrate];
  96     [[NSNotificationCenter defaultCenter] addObserver: self
  97         selector: @selector(transcodeInfoChanged:)
  98         name: NSControlTextDidChangeNotification
  99         object: o_transcode_audio_channels];
 100     [[NSNotificationCenter defaultCenter] addObserver: self
 101         selector: @selector(transcodeInfoChanged:)
 102         name: NSControlTextDidChangeNotification
 103         object: o_channel_name];
 104     [[NSNotificationCenter defaultCenter] addObserver: self
 105         selector: @selector(transcodeInfoChanged:)
 106         name: NSControlTextDidChangeNotification
 107         object: o_sdp_url];
 108
 109     [o_mux_selector setAutoenablesItems: NO];
 110     [self transcodeChanged:nil];
 111 }
 112
 113 - (void)initStrings
 114 {
 115     NSArray *o_muxers = [NSArray arrayWithObjects:@"MPEG TS", @"MPEG PS", @"MPEG 1",
 116         @"Ogg", @"AVI", @"ASF", @"MPEG 4", @"Quicktime", @"Raw", nil];
 117     NSArray *o_a_channels = [NSArray arrayWithObjects:@"1", @"2", @"4", @"6", nil];
 118     NSArray *o_a_bitrates = [NSArray arrayWithObjects:@"16", @"32", @"64", @"96",
 119         @"128", @"192", @"256", @"512", nil];
 120     NSArray *o_v_bitrates = [NSArray arrayWithObjects:@"16", @"32", @"64", @"96",
 121         @"128", @"192", @"256", @"384", @"512", @"768", @"1024", @"2048", @"3072", nil];
 122     NSArray *o_v_scales = [NSArray arrayWithObjects:@"0.25", @"0.5", @"0.75", @"1", @"1.25", @"1.5", @"1.75", @"2", nil];
 123     NSArray *o_a_codecs = [NSArray arrayWithObjects:@"mpga", @"mp3 ", @"mp4a", @"a52 ", @"vorb", @"flac", @"spx ", nil];
 124     NSArray *o_v_codecs = [NSArray arrayWithObjects:@"mp1v", @"mp2v", @"mp4v", @"DIV1",
 125         @"DIV2", @"DIV3", @"h263", @"h264", @"WMV1", @"WMV2", @"MJPG", @"theo", nil];
 126
 127     [o_output_ckbox setTitle: _NS("Streaming/Saving:")];
 128     [o_output_settings setTitle: _NS("Settings...")];
 129     [o_btn_ok setTitle: _NS("OK")];
 130
 131     [o_options_lbl setTitle: _NS("Streaming and Transcoding Options")];
 132     [o_display setTitle: _NS("Display the stream locally")];
 133     [[o_method cellAtRow:0 column:0] setTitle: _NS("File")];
 134     [[o_method cellAtRow:1 column:0] setTitle: _NS("Stream")];
 135     [o_dump_chkbox setTitle: _NS("Dump raw input")];
 136     [o_btn_browse setTitle: _NS("Browse...")];
 137     [o_stream_address_lbl setStringValue: _NS("Address")];
 138     [o_stream_port_lbl setStringValue: _NS("Port")];
 139     [o_stream_ttl_lbl setStringValue: @"TTL"];
 140     [[o_stream_type itemAtIndex: 0] setTitle: @"HTTP"];
 141     [[o_stream_type itemAtIndex: 1] setTitle: @"MMSH"];
 142     [[o_stream_type itemAtIndex: 2] setTitle: @"UDP"];
 143     [[o_stream_type itemAtIndex: 3] setTitle: @"RTP"];
 144     [o_stream_type_lbl setStringValue: _NS("Type")];
 145
 146     [o_mux_lbl setStringValue: _NS("Encapsulation Method")];
 147     [o_mux_selector removeAllItems];
 148     [o_mux_selector addItemsWithTitles: o_muxers];
 149
 150     [o_transcode_lbl setTitle: _NS("Transcoding options")];
 151     [o_transcode_video_chkbox setTitle: _NS("Video")];
 152     [o_transcode_video_selector removeAllItems];
 153     [o_transcode_video_selector addItemsWithTitles: o_v_codecs];
 154     [o_transcode_video_bitrate_lbl setStringValue: _NS("Bitrate (kb/s)")];
 155     [o_transcode_video_bitrate removeAllItems];
 156     [o_transcode_video_bitrate addItemsWithObjectValues: o_v_bitrates];
 157     [o_transcode_video_scale_lbl setStringValue: _NS("Scale")];
 158     [o_transcode_video_scale removeAllItems];
 159     [o_transcode_video_scale addItemsWithObjectValues: o_v_scales];
 160     [o_transcode_video_scale selectItemWithObjectValue: @"1"];
 161     [o_transcode_audio_chkbox setTitle: _NS("Audio")];
 162     [o_transcode_audio_selector removeAllItems];
 163     [o_transcode_audio_selector addItemsWithTitles: o_a_codecs];
 164     [o_transcode_audio_bitrate_lbl setStringValue: _NS("Bitrate (kb/s)")];
 165     [o_transcode_audio_bitrate removeAllItems];
 166     [o_transcode_audio_bitrate addItemsWithObjectValues: o_a_bitrates];
 167     [o_transcode_audio_channels_lbl setStringValue: _NS("Channels")];
 168     [o_transcode_audio_channels removeAllItems];
 169     [o_transcode_audio_channels addItemsWithObjectValues: o_a_channels];
 170
 171     [o_misc_lbl setTitle: _NS("Stream Announcing")];
 172     [o_sap_chkbox setTitle: _NS("SAP Announcement")];
 173     [o_rtsp_chkbox setTitle: _NS("RTSP Announcement")];
 174     [o_http_chkbox setTitle:_NS("HTTP Announcement")];
 175     [o_file_chkbox setTitle:_NS("Export SDP as file")];
 176
 177     [o_channel_name_lbl setStringValue: _NS("Channel Name")];
 178     [o_sdp_url_lbl setStringValue: _NS("SDP URL")];
 179 }
 180
 181 - (IBAction)outputChanged:(id)sender;
 182 {
 183     if ([o_output_ckbox state] == NSOnState)
 184         [o_output_settings setEnabled:YES];
 185     else
 186         [o_output_settings setEnabled:NO];
 187 }
 188
 189 - (IBAction)outputSettings:(id)sender
 190 {
 191     [NSApp beginSheet: o_output_sheet
 192         modalForWindow: o_open_panel
 193         modalDelegate: self
 194         didEndSelector: NULL
 195         contextInfo: nil];
 196 }
 197
 198 - (IBAction)outputCloseSheet:(id)sender
 199 {
 200     [o_output_sheet orderOut:sender];
 201     [NSApp endSheet: o_output_sheet];
 202 }
 203
 204 - (void)outputMethodChanged:(NSNotification *)o_notification
 205 {
 206     NSString *o_mode;
 207     o_mode = [[o_method selectedCell] title];
 208
 209     [o_sap_chkbox setEnabled: NO];
 210     [o_http_chkbox setEnabled: NO];
 211     [o_rtsp_chkbox setEnabled: NO];
 212     [o_file_chkbox setEnabled: NO];
 213     [o_channel_name setEnabled: NO];
 214     [o_sdp_url setEnabled: NO];
 215     [[o_mux_selector itemAtIndex: 0] setEnabled: YES];
 216
 217     if ([o_mode isEqualToString: _NS("File")]) {
 218         [o_file_field setEnabled: YES];
 219         [o_btn_browse setEnabled: YES];
 220         [o_dump_chkbox setEnabled: YES];
 221         [o_stream_address setEnabled: NO];
 222         [o_stream_port setEnabled: NO];
 223         [o_stream_ttl setEnabled: NO];
 224         [o_stream_port_stp setEnabled: NO];
 225         [o_stream_ttl_stp setEnabled: NO];
 226         [o_stream_type setEnabled: NO];
 227         [o_mux_selector setEnabled: YES];
 228         [[o_mux_selector itemAtIndex: 1] setEnabled: YES]; // MPEG PS
 229         [[o_mux_selector itemAtIndex: 2] setEnabled: YES]; // MPEG 1
 230         [[o_mux_selector itemAtIndex: 3] setEnabled: YES]; // Ogg
 231         [[o_mux_selector itemAtIndex: 4] setEnabled: YES]; // AVI
 232         [[o_mux_selector itemAtIndex: 5] setEnabled: YES]; // ASF
 233         [[o_mux_selector itemAtIndex: 6] setEnabled: YES]; // MPEG 4
 234         [[o_mux_selector itemAtIndex: 7] setEnabled: YES]; // QuickTime
 235         [[o_mux_selector itemAtIndex: 8] setEnabled: YES]; // Raw
 236     } else if ([o_mode isEqualToString: _NS("Stream")]) {
 237         [o_file_field setEnabled: NO];
 238         [o_dump_chkbox setEnabled: NO];
 239         [o_btn_browse setEnabled: NO];
 240         [o_stream_port setEnabled: YES];
 241         [o_stream_port_stp setEnabled: YES];
 242         [o_stream_type setEnabled: YES];
 243         [o_mux_selector setEnabled: YES];
 244
 245         o_mode = [o_stream_type titleOfSelectedItem];
 246
 247         if ([o_mode isEqualToString: @"HTTP"]) {
 248             [o_stream_address setEnabled: YES];
 249             [o_stream_ttl setEnabled: NO];
 250             [o_stream_ttl_stp setEnabled: NO];
 251             [[o_mux_selector itemAtIndex: 1] setEnabled: YES];
 252             [[o_mux_selector itemAtIndex: 2] setEnabled: YES];
 253             [[o_mux_selector itemAtIndex: 3] setEnabled: YES];
 254             [[o_mux_selector itemAtIndex: 4] setEnabled: NO];
 255             [[o_mux_selector itemAtIndex: 5] setEnabled: YES];
 256             [[o_mux_selector itemAtIndex: 6] setEnabled: NO];
 257             [[o_mux_selector itemAtIndex: 7] setEnabled: NO];
 258             [[o_mux_selector itemAtIndex: 8] setEnabled: YES];
 259         } else if ([o_mode isEqualToString: @"MMSH"]) {
 260             [o_stream_address setEnabled: YES];
 261             [o_stream_ttl setEnabled: NO];
 262             [o_stream_ttl_stp setEnabled: NO];
 263             [[o_mux_selector itemAtIndex: 0] setEnabled: NO];
 264             [[o_mux_selector itemAtIndex: 1] setEnabled: NO];
 265             [[o_mux_selector itemAtIndex: 2] setEnabled: NO];
 266             [[o_mux_selector itemAtIndex: 3] setEnabled: NO];
 267             [[o_mux_selector itemAtIndex: 4] setEnabled: NO];
 268             [[o_mux_selector itemAtIndex: 5] setEnabled: YES];
 269             [[o_mux_selector itemAtIndex: 6] setEnabled: NO];
 270             [[o_mux_selector itemAtIndex: 7] setEnabled: NO];
 271             [[o_mux_selector itemAtIndex: 8] setEnabled: NO];
 272             [o_mux_selector selectItemAtIndex: 5];
 273         } else if ([o_mode isEqualToString: @"UDP"]) {
 274             [o_stream_address setEnabled: YES];
 275             [o_stream_ttl setEnabled: YES];
 276             [o_stream_ttl_stp setEnabled: YES];
 277             [[o_mux_selector itemAtIndex: 1] setEnabled: NO];
 278             [[o_mux_selector itemAtIndex: 2] setEnabled: NO];
 279             [[o_mux_selector itemAtIndex: 3] setEnabled: NO];
 280             [[o_mux_selector itemAtIndex: 4] setEnabled: NO];
 281             [[o_mux_selector itemAtIndex: 5] setEnabled: NO];
 282             [[o_mux_selector itemAtIndex: 6] setEnabled: NO];
 283             [[o_mux_selector itemAtIndex: 7] setEnabled: NO];
 284             [[o_mux_selector itemAtIndex: 8] setEnabled: YES];
 285             [o_sap_chkbox setEnabled: YES];
 286             [o_channel_name setEnabled: YES];
 287         } else if ([o_mode isEqualToString: @"RTP"]) {
 288             [o_stream_address setEnabled: YES];
 289             [o_stream_ttl setEnabled: YES];
 290             [o_stream_ttl_stp setEnabled: YES];
 291             [[o_mux_selector itemAtIndex: 0] setEnabled: NO];
 292             [[o_mux_selector itemAtIndex: 1] setEnabled: NO];
 293             [[o_mux_selector itemAtIndex: 2] setEnabled: NO];
 294             [[o_mux_selector itemAtIndex: 3] setEnabled: NO];
 295             [[o_mux_selector itemAtIndex: 4] setEnabled: NO];
 296             [[o_mux_selector itemAtIndex: 5] setEnabled: NO];
 297             [[o_mux_selector itemAtIndex: 6] setEnabled: NO];
 298             [[o_mux_selector itemAtIndex: 7] setEnabled: NO];
 299             [[o_mux_selector itemAtIndex: 8] setEnabled: YES];
 300             [o_mux_selector selectItemAtIndex: 8];
 301             [o_sap_chkbox setEnabled: YES];
 302             [o_rtsp_chkbox setEnabled: YES];
 303             [o_http_chkbox setEnabled: YES];
 304             [o_file_chkbox setEnabled: YES];
 305             [o_channel_name setEnabled: YES];
 306         }
 307     }
 308
 309     if (![[o_mux_selector selectedItem] isEnabled] && ![o_mode isEqualToString: @"RTP"])
 310         [o_mux_selector selectItemAtIndex: 0];
 311     else if (![[o_mux_selector selectedItem] isEnabled] && [o_mode isEqualToString: @"RTP"])
 312         [o_mux_selector selectItemAtIndex: 8];
 313
 314     [self outputInfoChanged: nil];
 315 }
 316
 317 - (void)outputInfoChanged:(NSNotification *)o_notification
 318 {
 319     NSString *o_mode, *o_mux, *o_mux_string;
 320     NSMutableString *o_announce = [NSMutableString stringWithString:@""];
 321     NSMutableString *o_mrl_string = [NSMutableString stringWithString:@":sout=#"];
 322     NSArray *o_sout_options;
 323
 324     [o_mrl_string appendString: o_transcode];
 325     if ([o_display state] == NSOnState)
 326         [o_mrl_string appendString: @"duplicate{dst=display,dst="];
 327
 328     o_mode = [[o_method selectedCell] title];
 329     o_mux = [o_mux_selector titleOfSelectedItem];
 330
 331     if ([o_mux isEqualToString: @"AVI"]) o_mux_string = @"avi";
 332     else if ([o_mux isEqualToString: @"Ogg"]) o_mux_string = @"ogg";
 333     else if ([o_mux isEqualToString: @"MPEG PS"]) o_mux_string = @"ps";
 334     else if ([o_mux isEqualToString: @"MPEG 4"]) o_mux_string = @"mp4";
 335     else if ([o_mux isEqualToString: @"MPEG 1"]) o_mux_string = @"mpeg1";
 336     else if ([o_mux isEqualToString: @"Quicktime"]) o_mux_string = @"mov";
 337     else if ([o_mux isEqualToString: @"ASF"]) o_mux_string = @"asf";
 338     else if ([o_mux isEqualToString: @"Raw"]) o_mux_string = @"raw";
 339     else o_mux_string = @"ts";
 340
 341     if ([o_mode isEqualToString: _NS("File")]) {
 342         if ([o_dump_chkbox state] == NSOnState) {
 343             o_sout_options = [NSArray arrayWithObjects:@":demux=dump",
 344                                [NSString stringWithFormat:
 345                                @":demuxdump-file=%@",
 346                                [o_file_field stringValue]], nil];
 347             [self setSoutMRL:o_sout_options];
 348             return;
 349         } else
 350                 [o_mrl_string appendFormat: @"standard{mux=%@,access=file{no-overwrite},dst=\"%@\"}", o_mux_string, [o_file_field stringValue]];
 351     }
 352     else if ([o_mode isEqualToString: _NS("Stream")]) {
 353         o_mode = [o_stream_type titleOfSelectedItem];
 354
 355         if ([o_mode isEqualToString: @"HTTP"])
 356             o_mode = @"http";
 357         else if ([o_mode isEqualToString: @"MMSH"]) {
 358             if ([o_mux isEqualToString: @"ASF"])
 359                 o_mux_string = @"asfh";
 360             o_mode = @"mmsh";
 361         } else if ([o_mode isEqualToString: @"UDP"]) {
 362             o_mode = @"udp";
 363             if ([o_sap_chkbox state] == NSOnState) {
 364                 if (![[o_channel_name stringValue] isEqualToString: @""])
 365                     [o_announce appendFormat:@",sap,name=%@", [o_channel_name stringValue]];
 366                 else
 367                     [o_announce appendFormat:@",sap"];
 368             }
 369         }
 370         if (![o_mode isEqualToString: @"RTP"]) {
 371             /* split up the hostname and the following path to paste the
 372              * port correctly. Not need, if there isn't any path following the
 373              * hostname. */
 374             NSArray * o_urlItems = [[o_stream_address stringValue] componentsSeparatedByString: @"/"];
 375             NSMutableString * o_finalStreamAddress;
 376             o_finalStreamAddress = [[NSMutableString alloc] init];
 377
 378             if ([o_urlItems count] == 1)
 379                 [o_finalStreamAddress appendFormat: @"\"%@:%@\"", [o_stream_address stringValue],[o_stream_port stringValue]];
 380             else {
 381                 [o_finalStreamAddress appendFormat: @"\"%@:%@", [o_urlItems objectAtIndex:0], [o_stream_port stringValue]];
 382                 NSUInteger itemCount = [o_urlItems count];
 383                 for (NSUInteger x = 0; x < itemCount; x++)
 384                     [o_finalStreamAddress appendFormat: @"/%@", [o_urlItems objectAtIndex:x]];
 385                 [o_finalStreamAddress appendString: @"\""];
 386             }
 387
 388             [o_mrl_string appendFormat:
 389                         @"standard{mux=%@,access=%@,dst=%@%@}",
 390                         o_mux_string, o_mode, o_finalStreamAddress, o_announce];
 391         } else {
 392             NSString * o_stream_name;
 393
 394             if (![[o_channel_name stringValue] isEqualToString: @""])
 395                 o_stream_name = [NSString stringWithFormat:@",name=%@", [o_channel_name stringValue]];
 396             else
 397                 o_stream_name = @"";
 398
 399             if ([o_sap_chkbox state] == NSOnState)
 400                 [o_announce appendString: @",sdp=sap"];
 401
 402             if ([o_rtsp_chkbox state] == NSOnState)
 403                 [o_announce appendFormat:@",sdp=\"rtsp://%@\"",[o_sdp_url stringValue]];
 404
 405             if ([o_http_chkbox state] == NSOnState)
 406                 [o_announce appendFormat:@",sdp=\"http://%@\"",[o_sdp_url stringValue]];
 407
 408             if ([o_file_chkbox state] == NSOnState)
 409                 [o_announce appendFormat:@",sdp=\"file://%@\"",[o_sdp_url stringValue]];
 410
 411             [o_mrl_string appendFormat:
 412                         @"rtp{mux=ts,dst=\"%@\",port=%@%@%@}",[o_stream_address stringValue],
 413                         [o_stream_port stringValue], o_stream_name, o_announce];
 414         }
 415
 416     }
 417     if ([o_display state] == NSOnState)
 418         [o_mrl_string appendString: @"}"];
 419
 420     o_sout_options = [NSArray arrayWithObject:o_mrl_string];
 421     [self setSoutMRL:o_sout_options];
 422 }
 423
 424 - (void)TTLChanged:(NSNotification *)o_notification
 425 {
 426     intf_thread_t * p_intf = VLCIntf;
 427     config_PutInt(p_intf, "ttl", [o_stream_ttl intValue]);
 428 }
 429
 430 - (IBAction)outputFileBrowse:(id)sender
 431 {
 432     NSSavePanel *o_save_panel = [NSSavePanel savePanel];
 433     NSString *o_mux_string;
 434     if ([[o_mux_selector titleOfSelectedItem] isEqualToString: @"MPEG PS"])
 435         o_mux_string = @"vob";
 436     else if ([[o_mux_selector titleOfSelectedItem] isEqualToString: @"MPEG 1"])
 437         o_mux_string = @"mpg";
 438     else if ([[o_mux_selector titleOfSelectedItem] isEqualToString: @"AVI"])
 439         o_mux_string = @"avi";
 440     else if ([[o_mux_selector titleOfSelectedItem] isEqualToString: @"ASF"])
 441         o_mux_string = @"asf";
 442     else if ([[o_mux_selector titleOfSelectedItem] isEqualToString: @"Ogg"])
 443         o_mux_string = @"ogm";
 444     else if ([[o_mux_selector titleOfSelectedItem] isEqualToString: @"MPEG 4"])
 445         o_mux_string = @"mp4";
 446     else if ([[o_mux_selector titleOfSelectedItem] isEqualToString: @"Quicktime"])
 447         o_mux_string = @"mov";
 448     else if ([[o_mux_selector titleOfSelectedItem] isEqualToString: @"Raw"])
 449         o_mux_string = @"raw";
 450     else
 451         o_mux_string = @"ts";
 452
 453     NSString * o_name = [NSString stringWithFormat: @"vlc-output.%@",
 454                          o_mux_string];
 455
 456     [o_save_panel setTitle: _NS("Save File")];
 457     [o_save_panel setPrompt: _NS("Save")];
 458     [o_save_panel setNameFieldStringValue: o_name];
 459
 460     if ([o_save_panel runModal] == NSFileHandlingPanelOKButton) {
 461         [o_file_field setStringValue: [[o_save_panel URL] path]];
 462         [self outputInfoChanged: nil];
 463     }
 464 }
 465
 466 - (IBAction)streamPortStepperChanged:(id)sender
 467 {
 468     [o_stream_port setIntValue: [o_stream_port_stp intValue]];
 469     [self outputInfoChanged: nil];
 470 }
 471
 472 - (IBAction)streamTTLStepperChanged:(id)sender
 473 {
 474     [o_stream_ttl setIntValue: [o_stream_ttl_stp intValue]];
 475     [self TTLChanged:nil];
 476 }
 477
 478 - (void)transcodeChanged:(NSNotification *)o_notification
 479 {
 480     if ([o_transcode_video_chkbox state] == NSOnState) {
 481         [o_transcode_video_selector setEnabled: YES];
 482         [o_transcode_video_bitrate setEnabled: YES];
 483         [o_transcode_video_scale setEnabled: YES];
 484     } else {
 485         [o_transcode_video_selector setEnabled: NO];
 486         [o_transcode_video_bitrate setEnabled: NO];
 487         [o_transcode_video_scale setEnabled: NO];
 488     }
 489     if ([o_transcode_audio_chkbox state] == NSOnState) {
 490         [o_transcode_audio_selector setEnabled: YES];
 491         [o_transcode_audio_bitrate setEnabled: YES];
 492         [o_transcode_audio_channels setEnabled: YES];
 493     } else {
 494         [o_transcode_audio_selector setEnabled: NO];
 495         [o_transcode_audio_bitrate setEnabled: NO];
 496         [o_transcode_audio_channels setEnabled: NO];
 497     }
 498
 499     [self transcodeInfoChanged:nil];
 500 }
 501
 502 - (void)transcodeInfoChanged:(NSNotification *)o_notification
 503 {
 504     NSMutableString *o_transcode_string = [NSMutableString stringWithCapacity:200];
 505
 506     if ([o_transcode_video_chkbox state] == NSOnState ||
 507         [o_transcode_audio_chkbox state] == NSOnState) {
 508         [o_transcode_string appendString:@"transcode{"];
 509         if ([o_transcode_video_chkbox state] == NSOnState) {
 510             [o_transcode_string appendFormat: @"vcodec=\"%@\",vb=\"%@\"" \
 511                                                             ",scale=\"%@\"",
 512                 [o_transcode_video_selector titleOfSelectedItem],
 513                 [o_transcode_video_bitrate stringValue],
 514                 [o_transcode_video_scale stringValue]];
 515             if ([o_transcode_audio_chkbox state] == NSOnState)
 516                 [o_transcode_string appendString: @","];
 517         }
 518         if ([o_transcode_audio_chkbox state] == NSOnState) {
 519             [o_transcode_string appendFormat: @"acodec=\"%@\",ab=\"%@\"",
 520                 [o_transcode_audio_selector titleOfSelectedItem],
 521                 [o_transcode_audio_bitrate stringValue]];
 522             if (![[o_transcode_audio_channels stringValue] isEqualToString: @""])
 523                 [o_transcode_string appendFormat: @",channels=\"%@\"", [o_transcode_audio_channels stringValue]];
 524         }
 525         [o_transcode_string appendString:@"}:"];
 526     }
 527     else
 528         [o_transcode_string setString: @""];
 529
 530     [self setTranscode: o_transcode_string];
 531     [self outputInfoChanged:nil];
 532 }
 533
 534 - (IBAction)announceChanged:(id)sender
 535 {
 536     NSString *o_mode;
 537     o_mode = [[o_stream_type selectedCell] title];
 538     [o_channel_name setEnabled: [o_sap_chkbox state] ||
 539                 [o_mode isEqualToString: @"RTP"]];
 540
 541     if ([o_mode isEqualToString: @"RTP"]) {
 542 /*        if ([[sender title] isEqualToString: _NS("SAP Announcement")]) {
 543             [o_rtsp_chkbox setState:NSOffState];
 544             [o_http_chkbox setState:NSOffState];
 545         }*/
 546         if ([[sender title] isEqualToString:_NS("RTSP Announcement")]) {
 547 //            [o_sap_chkbox setState:NSOffState];
 548             [o_http_chkbox setState:NSOffState];
 549             [o_file_chkbox setState:NSOffState];
 550         } else if ([[sender title] isEqualToString:_NS("HTTP Announcement")]) {
 551 //            [o_sap_chkbox setState:NSOffState];
 552             [o_rtsp_chkbox setState:NSOffState];
 553             [o_file_chkbox setState:NSOffState];
 554         } else if ([[sender title] isEqualToString:_NS("Export SDP as file")]) {
 555             [o_rtsp_chkbox setState:NSOffState];
 556             [o_http_chkbox setState:NSOffState];
 557         }
 558
 559         if ([o_rtsp_chkbox state] == NSOnState ||
 560             [o_http_chkbox state] == NSOnState ||
 561             [o_file_chkbox state] == NSOnState)
 562             [o_sdp_url setEnabled: YES];
 563         else
 564             [o_sdp_url setEnabled: NO];
 565     }
 566     [self outputInfoChanged: nil];
 567 }
 568
 569 @end