git.sesse.net Git - vlc/blob - projects/macosx/framework/Sources/VLCStreamOutput.m

   1 /*****************************************************************************
   2  * VLCStreamOutput.m: VLCKit.framework VLCStreamOutput implementation
   3  *****************************************************************************
   4  * Copyright (C) 2008 Pierre d'Herbemont
   5  * Copyright (C) 2008 the VideoLAN team
   6  * $Id$
   7  *
   8  * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #import "VLCStreamOutput.h"
  26 #import "VLCLibVLCBridging.h"
  27
  28 @implementation VLCStreamOutput
  29 - (id)initWithOptionDictionary:(NSDictionary *)dictionary
  30 {
  31     if( self = [super init] )
  32     {
  33         options = [[NSMutableDictionary dictionaryWithDictionary:dictionary] retain];
  34     }
  35     return self;
  36 }
  37 - (NSString *)description
  38 {
  39     return [self representedLibVLCOptions];
  40 }
  41 + (id)streamOutputWithOptionDictionary:(NSDictionary *)dictionary
  42 {
  43     return [[[self alloc] initWithOptionDictionary:dictionary] autorelease];
  44 }
  45 + (id)rtpBroadcastStreamOutputWithSAPAnnounce:(NSString *)announceName
  46 {
  47     NSString *name = [announceName copy];
  48     id output = [self streamOutputWithOptionDictionary:[NSDictionary dictionaryWithObjectsAndKeys:
  49                                             [NSDictionary dictionaryWithObjectsAndKeys:
  50                                                 @"ts", @"muxer",
  51                                                 @"file", @"access",
  52                                                 @"sdp", @"sdp",
  53                                                 @"sap", @"sap",
  54                                                 name, @"name",
  55                                                 @"239.255.1.1", @"destination", nil
  56                                             ], @"rtpOptions",
  57                                             nil
  58                                             ]
  59                                         ];
  60     [name release];
  61     return output;
  62 }
  63
  64 + (id)rtpBroadcastStreamOutput
  65 {
  66     return [self rtpBroadcastStreamOutputWithSAPAnnounce:@"Helloworld!"];
  67 }
  68
  69 + (id)ipodStreamOutputWithFilePath:(NSString *)filePath
  70 {
  71     return [self streamOutputWithOptionDictionary:[NSDictionary dictionaryWithObjectsAndKeys:
  72                                             [NSDictionary dictionaryWithObjectsAndKeys:
  73                                                 @"h264", @"videoCodec",
  74                                                 @"1024",  @"videoBitrate", // max by Apple: 1.5 mbps
  75                                                 @"mp4a", @"audioCodec",
  76                                                 @"128", @"audioBitrate", // max by Apple: 160 kbps
  77                                                 @"2",   @"channels",
  78                                                 @"640", @"width", // max by Apple: do.
  79                                                 @"480", @"canvasHeight", // max by Apple: do.
  80                                                 @"Yes", @"audio-sync",
  81                                                 nil
  82                                             ], @"transcodingOptions",
  83                                             [NSDictionary dictionaryWithObjectsAndKeys:
  84                                                 @"mp4", @"muxer",
  85                                                 @"file", @"access",
  86                                                 [[filePath copy] autorelease], @"destination",
  87                                                 nil
  88                                             ], @"outputOptions",
  89                                             nil
  90                                             ]
  91                                         ];
  92 }
  93
  94 + (id)mpeg4StreamOutputWithFilePath:(NSString *)filePath
  95 {
  96     return [self streamOutputWithOptionDictionary:[NSDictionary dictionaryWithObjectsAndKeys:
  97                                             [NSDictionary dictionaryWithObjectsAndKeys:
  98                                                 @"mp4v", @"videoCodec",
  99                                                 @"1024",  @"videoBitrate",
 100                                                 @"mp4a", @"audioCodec",
 101                                                 @"192", @"audioBitrate",
 102                                                 nil
 103                                             ], @"transcodingOptions",
 104                                             [NSDictionary dictionaryWithObjectsAndKeys:
 105                                                 @"mp4", @"muxer",
 106                                                 @"file", @"access",
 107                                                 [[filePath copy] autorelease], @"destination", nil
 108                                             ], @"outputOptions",
 109                                             nil
 110                                             ]
 111                                         ];
 112 }
 113
 114 + (id)streamOutputWithFilePath:(NSString *)filePath
 115 {
 116     return [self streamOutputWithOptionDictionary:[NSDictionary dictionaryWithObjectsAndKeys:
 117                                             [NSDictionary dictionaryWithObjectsAndKeys:
 118                                                 @"ps", @"muxer",
 119                                                 @"file", @"access",
 120                                                 [[filePath copy] autorelease], @"destination", nil
 121                                             ], @"outputOptions",
 122                                             nil
 123                                             ]
 124                                         ];
 125 }
 126
 127 + (id)mpeg2StreamOutputWithFilePath:(NSString *)filePath;
 128 {
 129     return [self streamOutputWithOptionDictionary:[NSDictionary dictionaryWithObjectsAndKeys:
 130                                             [NSDictionary dictionaryWithObjectsAndKeys:
 131                                                 @"mp2v", @"videoCodec",
 132                                                 @"1024", @"videoBitrate",
 133                                                 @"mpga",   @"audioCodec",
 134                                                 @"128",   @"audioBitrate",
 135                                                 @"Yes",   @"audio-sync",
 136                                                 nil
 137                                             ], @"transcodingOptions",
 138                                             [NSDictionary dictionaryWithObjectsAndKeys:
 139                                                 @"ps", @"muxer",
 140                                                 @"file", @"access",
 141                                                 [[filePath copy] autorelease], @"destination", nil
 142                                             ], @"outputOptions",
 143                                             nil
 144                                             ]
 145                                         ];
 146 }
 147 @end
 148
 149 @implementation VLCStreamOutput (LibVLCBridge)
 150 - (NSString *)representedLibVLCOptions
 151 {
 152     NSString * representedOptions;
 153     NSMutableArray * subOptions = [NSMutableArray array];
 154     NSMutableArray * optionsAsArray = [NSMutableArray array];
 155     NSDictionary * transcodingOptions = [options objectForKey:@"transcodingOptions"];
 156     if( transcodingOptions )
 157     {
 158         NSString * videoCodec = [transcodingOptions objectForKey:@"videoCodec"];
 159         NSString * audioCodec = [transcodingOptions objectForKey:@"audioCodec"];
 160         NSString * videoBitrate = [transcodingOptions objectForKey:@"videoBitrate"];
 161         NSString * audioBitrate = [transcodingOptions objectForKey:@"audioBitrate"];
 162         NSString * channels = [transcodingOptions objectForKey:@"channels"];
 163         NSString * height = [transcodingOptions objectForKey:@"height"];
 164         NSString * canvasHeight = [transcodingOptions objectForKey:@"canvasHeight"];
 165         NSString * width = [transcodingOptions objectForKey:@"width"];
 166         NSString * audioSync = [transcodingOptions objectForKey:@"audioSync"];
 167         NSString * videoEncoder = [transcodingOptions objectForKey:@"videoEncoder"];
 168         if( videoEncoder )   [subOptions addObject:[NSString stringWithFormat:@"venc=%@", videoEncoder]];
 169         if( videoCodec )   [subOptions addObject:[NSString stringWithFormat:@"vcodec=%@", videoCodec]];
 170         if( videoBitrate ) [subOptions addObject:[NSString stringWithFormat:@"vb=%@", videoBitrate]];
 171         if( width ) [subOptions addObject:[NSString stringWithFormat:@"width=%@", width]];
 172         if( height ) [subOptions addObject:[NSString stringWithFormat:@"height=%@", height]];
 173         if( canvasHeight ) [subOptions addObject:[NSString stringWithFormat:@"canvas-height=%@", canvasHeight]];
 174         if( audioCodec )   [subOptions addObject:[NSString stringWithFormat:@"acodec=%@", audioCodec]];
 175         if( audioBitrate ) [subOptions addObject:[NSString stringWithFormat:@"ab=%@", audioBitrate]];
 176         if( channels ) [subOptions addObject:[NSString stringWithFormat:@"channels=%@", channels]];
 177         if( audioSync ) [subOptions addObject:[NSString stringWithFormat:@"audioSync", width]];
 178         [optionsAsArray addObject: [NSString stringWithFormat:@"transcode{%@}", [subOptions componentsJoinedByString:@","]]];
 179         [subOptions removeAllObjects];
 180     }
 181
 182     NSDictionary * outputOptions = [options objectForKey:@"outputOptions"];
 183     if( outputOptions )
 184     {
 185         NSString * muxer = [outputOptions objectForKey:@"muxer"];
 186         NSString * destination = [outputOptions objectForKey:@"destination"];
 187         NSString * url = [outputOptions objectForKey:@"url"];
 188         NSString * access = [outputOptions objectForKey:@"access"];
 189         if( muxer )       [subOptions addObject:[NSString stringWithFormat:@"mux=%@", muxer]];
 190         if( destination ) [subOptions addObject:[NSString stringWithFormat:@"dst=\"%@\"", [destination stringByReplacingOccurrencesOfString:@"\"" withString:@"\\\""]]];
 191         if( url ) [subOptions addObject:[NSString stringWithFormat:@"url=\"%@\"", [url stringByReplacingOccurrencesOfString:@"\"" withString:@"\\\""]]];
 192         if( access )      [subOptions addObject:[NSString stringWithFormat:@"access=%@", access]];
 193         [optionsAsArray addObject:[NSString stringWithFormat:@"std{%@}", [subOptions componentsJoinedByString:@","]]];
 194         [subOptions removeAllObjects];
 195     }
 196
 197     NSDictionary * rtpOptions = [options objectForKey:@"rtpOptions"];
 198     if( rtpOptions )
 199     {
 200         NSString * muxer = [rtpOptions objectForKey:@"muxer"];
 201         NSString * destination = [rtpOptions objectForKey:@"destination"];
 202         NSString * sdp = [rtpOptions objectForKey:@"sdp"];
 203         NSString * name = [rtpOptions objectForKey:@"name"];
 204         NSString * sap = [rtpOptions objectForKey:@"sap"];
 205         if( muxer )       [subOptions addObject:[NSString stringWithFormat:@"muxer=%@", muxer]];
 206         if( destination ) [subOptions addObject:[NSString stringWithFormat:@"dst=%@", destination]];
 207         if( sdp )      [subOptions addObject:[NSString stringWithFormat:@"sdp=%@", sdp]];
 208         if( sap )      [subOptions addObject:@"sap"];
 209         if( name )      [subOptions addObject:[NSString stringWithFormat:@"name=\"%@\"", name]];
 210         [optionsAsArray addObject:[NSString stringWithFormat:@"rtp{%@}", [subOptions componentsJoinedByString:@","]]];
 211         [subOptions removeAllObjects];
 212     }
 213     representedOptions = [optionsAsArray componentsJoinedByString:@":"];
 214     return representedOptions;
 215 }
 216 @end