output.m

VLC媒体播放程序

            [o_stream_ttl_stp setEnabled: NO];
            [[o_mux_selector itemAtIndex: 0] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 1] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 2] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 3] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 4] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 5] setEnabled: YES];
            [[o_mux_selector itemAtIndex: 6] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 7] setEnabled: NO];
        }
        else if( [o_mode isEqualToString: @"UDP"] )
        {
            [o_stream_address setEnabled: YES];
            [o_stream_ttl setEnabled: YES];
            [o_stream_ttl_stp setEnabled: YES];
            [[o_mux_selector itemAtIndex: 1] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 2] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 3] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 4] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 5] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 6] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 7] setEnabled: NO];
            [o_sap_chkbox setEnabled: YES];
            [o_slp_chkbox setEnabled: YES];
            [o_channel_name setEnabled: YES];
        }
        else if( [o_mode isEqualToString: @"RTP"] )
        {
            [o_stream_address setEnabled: YES];
            [o_stream_ttl setEnabled: YES];
            [o_stream_ttl_stp setEnabled: YES];
            [[o_mux_selector itemAtIndex: 1] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 2] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 3] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 4] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 5] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 6] setEnabled: NO];
            [[o_mux_selector itemAtIndex: 7] setEnabled: NO];
        }
    }
    if( ![[o_mux_selector selectedItem] isEnabled] )
    {
        [o_mux_selector selectItemAtIndex: 0];
    }
    [self outputInfoChanged: nil];
}

- (void)outputInfoChanged:(NSNotification *)o_notification
{
    NSString *o_mode, *o_mux, *o_mux_string, *o_announce;
    NSMutableString *o_mrl_string = [NSMutableString stringWithString:@":sout=#"];

    [o_mrl_string appendString: o_transcode];
    if( [o_display state] == NSOnState )
    {
        [o_mrl_string appendString: @"duplicate{dst=display,dst="];
    }

    o_mode = [[o_method selectedCell] title];
    o_mux = [o_mux_selector titleOfSelectedItem];

    if ( [o_mux isEqualToString: @"AVI"] ) o_mux_string = @"avi";
    else if ( [o_mux isEqualToString: @"Ogg"] ) o_mux_string = @"ogg";
    else if ( [o_mux isEqualToString: @"MPEG PS"] ) o_mux_string = @"ps";
    else if ( [o_mux isEqualToString: @"MPEG 4"] ) o_mux_string = @"mp4";
    else if ( [o_mux isEqualToString: @"MPEG 1"] ) o_mux_string = @"mpeg1";
    else if ( [o_mux isEqualToString: @"Quicktime"] ) o_mux_string = @"mov";
    else if ( [o_mux isEqualToString: @"ASF"] ) o_mux_string = @"asf";
    else o_mux_string = @"ts";

    if( [o_mode isEqualToString: _NS("File")] )
    {
        if( [o_dump_chkbox state] == NSOnState )
        {
            o_mrl_string = [NSMutableString stringWithFormat:
                            @":demux=demuxdump :demuxdump-file=\"%@\"",
                            [o_file_field stringValue]];
            [self setMRL:o_mrl_string];
            return;
        }
        else
        {
                [o_mrl_string appendFormat:
                        @"std{access=file,mux=%@,url=\"%@\"}",
                        o_mux_string, [o_file_field stringValue]];
        }
    }
    else if( [o_mode isEqualToString: _NS("Stream")] )
    {
        o_mode = [o_stream_type titleOfSelectedItem];
        o_announce = @"";
        
        if ( [o_mode isEqualToString: @"HTTP"] )
            o_mode = @"http";
        else if ( [o_mode isEqualToString: @"MMSH"] )
        {
            if ( [o_mux isEqualToString: @"ASF"] ) o_mux_string = @"asfh";
            o_mode = @"mmsh";
        }
        else if ( [o_mode isEqualToString: @"UDP"] )
        {
            o_mode = @"udp";
            if( [o_sap_chkbox state] == NSOnState )
            {
                if ( ![[o_channel_name stringValue] isEqualToString: @""] )
                    o_announce = [NSString stringWithFormat:@",sap=%@", [o_channel_name stringValue]];
                else
                    o_announce = @",sap";
            }
            if( [o_slp_chkbox state] == NSOnState )
            {
                if ( ![[o_channel_name stringValue] isEqualToString: @""] )
                    o_announce = [o_announce stringByAppendingFormat:@",slp=%@",
                        [o_channel_name stringValue]];
                else
                    o_announce = [o_announce stringByAppendingString: @",slp"];
            }
        }
        else if ( [o_mode isEqualToString: @"RTP"] )
            o_mode = @"rtp";
            
        [o_mrl_string appendFormat:
                        @"std{access=%@,mux=%@,url=\"%@:%@\"%@}",
                        o_mode, o_mux_string, [o_stream_address stringValue],
                        [o_stream_port stringValue], o_announce];
    }
    if( [o_display state] == NSOnState )
    {
        [o_mrl_string appendString: @"}"];
    }
    [self setMRL:o_mrl_string];
}

- (void)TTLChanged:(NSNotification *)o_notification
{
    intf_thread_t * p_intf = [NSApp getIntf];
    config_PutInt( p_intf, "ttl", [o_stream_ttl intValue] );
}

- (IBAction)outputFileBrowse:(id)sender
{
    NSSavePanel *o_save_panel = [NSSavePanel savePanel];
    NSString *o_mux_string;
    if ( [[o_mux_selector titleOfSelectedItem] isEqualToString: @"MPEG PS"] )
        o_mux_string = @"vob";
    else if ( [[o_mux_selector titleOfSelectedItem] isEqualToString: @"MPEG 1"] )
        o_mux_string = @"mpg";
    else if ( [[o_mux_selector titleOfSelectedItem] isEqualToString: @"AVI"] )
        o_mux_string = @"avi";
    else if ( [[o_mux_selector titleOfSelectedItem] isEqualToString: @"ASF"] )
        o_mux_string = @"asf";
    else if ( [[o_mux_selector titleOfSelectedItem] isEqualToString: @"Ogg"] )
        o_mux_string = @"ogm";
    else if ( [[o_mux_selector titleOfSelectedItem] isEqualToString: @"MPEG 4"] )
        o_mux_string = @"mp4";
    else if ( [[o_mux_selector titleOfSelectedItem] isEqualToString: @"Quicktime"] )
        o_mux_string = @"mov";
    else
        o_mux_string = @"ts";

    NSString * o_name = [NSString stringWithFormat: @"vlc-output.%@",
                         o_mux_string];

    [o_save_panel setTitle: _NS("Save File")];
    [o_save_panel setPrompt: _NS("Save")];

    if( [o_save_panel runModalForDirectory: nil
            file: o_name] == NSOKButton )
    {
        NSString *o_filename = [o_save_panel filename];
        [o_file_field setStringValue: o_filename];
        [self outputInfoChanged: nil];
    }
}

- (IBAction)streamPortStepperChanged:(id)sender
{
    [o_stream_port setIntValue: [o_stream_port_stp intValue]];
    [self outputInfoChanged: nil];
}

- (IBAction)streamTTLStepperChanged:(id)sender
{
    [o_stream_ttl setIntValue: [o_stream_ttl_stp intValue]];
    [self TTLChanged:nil];
}

- (void)transcodeChanged:(NSNotification *)o_notification
{
    if( [o_transcode_video_chkbox state] == NSOnState )
    {
        [o_transcode_video_selector setEnabled: YES];
        [o_transcode_video_bitrate setEnabled: YES];
    }
    else
    {
        [o_transcode_video_selector setEnabled: NO];
        [o_transcode_video_bitrate setEnabled: NO];
    }
    if( [o_transcode_audio_chkbox state] == NSOnState )
    {
        [o_transcode_audio_selector setEnabled: YES];
        [o_transcode_audio_bitrate setEnabled: YES];
        [o_transcode_audio_channels setEnabled: YES];
    }
    else
    {
        [o_transcode_audio_selector setEnabled: NO];
        [o_transcode_audio_bitrate setEnabled: NO];
        [o_transcode_audio_channels setEnabled: NO];
    }

    [self transcodeInfoChanged:nil];
}

- (void)transcodeInfoChanged:(NSNotification *)o_notification
{
    NSMutableString *o_transcode_string;
    
    if( [o_transcode_video_chkbox state] == NSOnState ||
        [o_transcode_audio_chkbox state] == NSOnState )
    {
        o_transcode_string = [NSMutableString stringWithString:@"transcode{"];
        if ( [o_transcode_video_chkbox state] == NSOnState )
        {
            [o_transcode_string appendFormat: @"vcodec=\"%@\",vb=\"%@\"",
                [o_transcode_video_selector titleOfSelectedItem],
                [o_transcode_video_bitrate stringValue]];
            if ( [o_transcode_audio_chkbox state] == NSOnState )
            {
                [o_transcode_string appendString: @","];
            }
        }
        if ( [o_transcode_audio_chkbox state] == NSOnState )
        {
            [o_transcode_string appendFormat: @"acodec=\"%@\",ab=\"%@\"",
                [o_transcode_audio_selector titleOfSelectedItem],
                [o_transcode_audio_bitrate stringValue]];
        }
        [o_transcode_string appendString:@"}:"];
    }
    else
    {
        o_transcode_string = [NSString stringWithString:@""];
    }
    [self setTranscode: o_transcode_string];
    [self outputInfoChanged:nil];
}

- (IBAction)announceChanged:(id)sender
{
    [o_channel_name setEnabled: [o_sap_chkbox state] || [o_slp_chkbox state]];
    [self outputInfoChanged: nil];
}

@end