wizard.m

uclinux 下的vlc播放器源代码

        {
            /* we will just do some transcoding */
            [o_userSelections setObject:@"trnscd" forKey:@"trnscdOrStrmg"];
        }
        [o_btn_backward setEnabled:YES];
        [o_tab_pageHolder selectTabViewItemAtIndex:1];

        /* Fill the playlist with current playlist items */
        [o_playlist_wizard reloadOutlineView];

    }
    else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: @"Input"])
    {
        /* check whether partialExtract is enabled and store the values, if needed */
        if ([o_t2_ckb_enblPartExtrct state] == NSOnState)
        {
            [o_userSelections setObject:@"YES" forKey:@"partExtract"];
            [o_userSelections setObject:[o_t2_fld_prtExtrctFrom stringValue] \
                forKey:@"partExtractFrom"];
            [o_userSelections setObject:[o_t2_fld_prtExtrctTo stringValue] \
                forKey:@"partExtractTo"];
        }else{
            [o_userSelections setObject:@"NO" forKey:@"partExtract"];
        }

        /* check whether we use an existing pl-item or add an new one;
         * store the path or the index and set a flag.
         * complain to the user if s/he didn't provide a path */
        NSString *o_mode;
        BOOL stop;
        stop = NO;
        o_mode = [[o_t2_matrix_inputSourceType selectedCell] title];
        if( [o_mode isEqualToString: _NS("Select a stream")] )
        {
            [o_userSelections setObject:@"YES" forKey:@"newStrm"];
            if ([[o_t2_fld_pathToNewStrm stringValue] isEqualToString: @""])
            {
                /* set a flag that no file is selected */
                stop = YES;
            }
            else
            {
                [o_userSelections setObject:[NSArray arrayWithObject:
                    [o_t2_fld_pathToNewStrm stringValue]] forKey:@"pathToStrm"];
            }
        }
        else
        {
            if ([o_t2_tbl_plst numberOfSelectedRows] > 0)
            {
                int x = 0;
                int y = [[o_t2_tbl_plst selectedRowIndexes] count];
                NSMutableArray * tempArray = [[NSMutableArray alloc] init];
                while( x != y )
                {
                    playlist_item_t *p_item = 
                        [[o_t2_tbl_plst itemAtRow: 
                            [[o_t2_tbl_plst selectedRowIndexes] 
                            indexGreaterThanOrEqualToIndex: x]] pointerValue];

                    if( p_item->i_children <= 0 )
                    {
                        [tempArray addObject: [NSString stringWithUTF8String:
                        p_item->input.psz_uri]];
                        stop = NO;
                    }
                    else
                        stop = YES;
                    x += 1;
                }
                [o_userSelections setObject:[NSArray arrayWithArray: tempArray]
                    forKey:@"pathToStrm"];
                [tempArray release];
            }
            else
            {
                /* set a flag that no item is selected */
                stop = YES;
            }
        }

        /* show either "Streaming 1" or "Transcode 1" to the user */
        if (stop == NO)
        {
            if ([[o_userSelections objectForKey:@"trnscdOrStrmg"] \
                isEqualToString:@"strmg"])
            {
                /* we are streaming */
                [o_tab_pageHolder selectTabViewItemAtIndex:2];
            }else{
                /* we are just transcoding */

                /* rebuild the menues for the codec-selections */
                [self rebuildCodecMenus];

                [o_tab_pageHolder selectTabViewItemAtIndex:3];
            }
        } else {
            /* show a sheet that the user didn't select a file */
            NSBeginInformationalAlertSheet(_NS("No input selected"), \
                _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
                _NS("No new stream or valid playlist item has been selected.\n\n" \
                "Choose one before going to the next page."));
        }
    }
    else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
        @"Streaming 1"])
    {
        /* rebuild the menues for the codec-selections */
        [self rebuildCodecMenus];
        
        /* check which streaming method is selected and store it */
        int mode;
        mode = [[o_t3_matrix_stmgMhd selectedCell] tag];
        if( mode == 0 )
        {
            /* HTTP Streaming */
            [o_userSelections setObject:@"0" forKey:@"stmgMhd"];

            /* disable all codecs which don't support MPEG PS, MPEG TS, MPEG 1,
             * OGG, RAW or ASF */
            [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
            [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
            
        } else if ( mode == 1 )
        {
            /* MMS Streaming */
            [o_userSelections setObject:@"1" forKey:@"stmgMhd"];
            
            /* disable all codecs which don't support ASF / ASFH */
            [o_t4_pop_audioCodec removeItemWithTitle:@"MPEG 4 Audio"];
            [o_t4_pop_audioCodec removeItemWithTitle:@"Vorbis"];
            [o_t4_pop_audioCodec removeItemWithTitle:@"FLAC"];
            [o_t4_pop_audioCodec removeItemWithTitle:@"Speex"];
            [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
            [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
            
            [o_t4_pop_videoCodec removeItemWithTitle:@"MPEG-1 Video"];
            [o_t4_pop_videoCodec removeItemWithTitle:@"MPEG-2 Video"];
            [o_t4_pop_videoCodec removeItemWithTitle:@"H.263"];
            [o_t4_pop_videoCodec removeItemWithTitle:@"H.264"];
            [o_t4_pop_videoCodec removeItemWithTitle:@"MJPEG"];
            [o_t4_pop_videoCodec removeItemWithTitle:@"Theora"];
        } else {
            /* RTP/UDP Unicast/Multicast Streaming */
            [o_userSelections setObject: [[NSNumber numberWithInt: mode] \
                stringValue] forKey:@"stmgMhd"];
            
            /* disable all codecs which don't support MPEG-TS */
            [o_t4_pop_audioCodec removeItemWithTitle:@"Vorbis"];
            [o_t4_pop_audioCodec removeItemWithTitle:@"FLAC"];
            [o_t4_pop_audioCodec removeItemWithTitle:@"Speex"];
            [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, integer"];
            [o_t4_pop_audioCodec removeItemWithTitle:@"Uncompressed, floating point"];
        }

        /* store the destination and check whether is it empty */
        if([[o_userSelections objectForKey:@"stmgMhd"] intValue] >=2 )
        {
           /* empty field is valid for HTTP and MMS */
            if( [[o_t3_fld_address stringValue] isEqualToString: @""] )
            {
                /* complain to the user that "" is no valid dest. */
                NSBeginInformationalAlertSheet(_NS("No valid destination"), \
                    _NS("OK"), @"", @"", o_wizard_window, nil, nil, nil, nil, \
                    _NS("A valid destination has to be selected "\
                    "Enter either a Unicast-IP or a Multicast-IP." \
                    "\n\nIf you don't know what this means, have a look at " \
                    "the VLC Streaming HOWTO and the help texts in this " \
                    "window."));
            } else {
                /* FIXME: check whether the entered IP is really valid */
                [o_userSelections setObject:[o_t3_fld_address stringValue] \
                    forKey:@"stmgDest"];
                /* let's go to the transcode-1-tab */
                [o_tab_pageHolder selectTabViewItemAtIndex:3];
            }
        } else {
            [o_userSelections setObject:[o_t3_fld_address stringValue] \
                forKey:@"stmgDest"];
            /* let's go to the transcode-1-tab */
            [o_tab_pageHolder selectTabViewItemAtIndex:3];
        }
    }
    else if ([[[o_tab_pageHolder selectedTabViewItem] label] isEqualToString: \
        @"Transcode 1"])
    {
        /* check whether the user wants to transcode the video-track and store 
         * the related options */
        if ([o_t4_ckb_video state] == NSOnState)
        {
            NSNumber * theNum;
            theNum = [NSNumber numberWithInt:[o_t4_pop_videoCodec indexOfSelectedItem]];
            [o_userSelections setObject:@"YES" forKey:@"trnscdVideo"];
            [o_userSelections setObject:[o_t4_pop_videoBitrate titleOfSelectedItem] \
                forKey:@"trnscdVideoBitrate"];
            [o_userSelections setObject:theNum forKey:@"trnscdVideoCodec"];
        } else {
            [o_userSelections setObject:@"NO" forKey:@"trnscdVideo"];
        }

        /* check whether the user wants to transcode the audio-track and store 
         * the related options */
        if ([o_t4_ckb_audio state] == NSOnState)
        {
            NSNumber * theNum;
            theNum = [NSNumber numberWithInt:[o_t4_pop_audioCodec indexOfSelectedItem]];
            [o_userSelections setObject:@"YES" forKey:@"trnscdAudio"];
            [o_userSelections setObject:[o_t4_pop_audioBitrate titleOfSelectedItem] \
                forKey:@"trnscdAudioBitrate"];
            [o_userSelections setObject:theNum forKey:@"trnscdAudioCodec"];
        } else {
            [o_userSelections setObject:@"NO" forKey:@"trnscdAudio"];
        }

        /* disable all encap-formats */
        [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:NO];
        [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:NO];
        [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:NO];
        [[o_t5_matrix_encap cellAtRow:3 column:0] setEnabled:NO];
        [[o_t5_matrix_encap cellAtRow:4 column:0] setEnabled:NO];
        [[o_t5_matrix_encap cellAtRow:5 column:0] setEnabled:NO];
        [[o_t5_matrix_encap cellAtRow:6 column:0] setEnabled:NO];
        [[o_t5_matrix_encap cellAtRow:7 column:0] setEnabled:NO];
        [[o_t5_matrix_encap cellAtRow:8 column:0] setEnabled:NO];
        [[o_t5_matrix_encap cellAtRow:9 column:0] setEnabled:NO];
        [[o_t5_matrix_encap cellAtRow:10 column:0] setEnabled:NO];

        /* re-enable the encap-formats supported by the chosen codecs */
        /* FIXME: the following is a really bad coding-style. feel free to mail
            me ideas how to make this nicer, if you want to -- FK, 7/11/05 */

        if ([[o_userSelections objectForKey:@"trnscdAudio"] isEqualTo: @"YES"])
        {
            if ([[o_userSelections objectForKey:@"trnscdVideo"] isEqualTo: @"YES"])
            {
                /* we are transcoding both audio and video, so we need to check both deps */
                if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
                    @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_PS"])
                {
                    if ([[o_audioCodecs objectAtIndex:[[o_userSelections \
                        objectForKey:@"trnscdAudioCodec"] intValue]] \
                        containsObject: @"MUX_PS"])
                    {
                        [[o_t5_matrix_encap cellAtRow:0 column:0] setEnabled:YES];
                        [o_t5_matrix_encap selectCellAtRow:0 column:0];
                    }
                }
                if ([[o_videoCodecs objectAtIndex:[[o_userSelections \
                    objectForKey:@"trnscdVideoCodec"] intValue]] containsObject: @"MUX_TS"])
                {
                    if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
                        @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_TS"])
                    {
                        [[o_t5_matrix_encap cellAtRow:1 column:0] setEnabled:YES];
                        [o_t5_matrix_encap selectCellAtRow:1 column:0];
                    }
                }
                if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \
                    @"trnscdVideoCodec"] intValue]] containsObject: @"MUX_MPEG"])
                {
                    if ([[o_audioCodecs objectAtIndex:[[o_userSelections objectForKey: \
                        @"trnscdAudioCodec"] intValue]] containsObject: @"MUX_MPEG"])
                    {
                        [[o_t5_matrix_encap cellAtRow:2 column:0] setEnabled:YES];
                        [o_t5_matrix_encap selectCellAtRow:2 column:0];
                    }
                }
                if ([[o_videoCodecs objectAtIndex:[[o_userSelections objectForKey: \