Streaming 2 x H264 live videos using smil file?

Hi,
I want to be able to stream a live video using Flash Media Live Encoder 3 using two options of 300 kbps and 150 kbps.
I want to give users a choice of stream quality depending on their available bandwidth to maintain the live feed.
I have set it up so that the Bit Rates are 300 and 150 and tick marks on: 1 and 2
my FMS URL is correct
The stream names are test1 and test2
in the Stream: box I have written: test1;test2
Yet I have also tried : mp4:test1.f4v;mp4:test2.f4v and other combinations.....
The SMIL file has the following:
<smil>
    <head>
        <meta base="rtmp://live" />
    </head>
    <body>
    <switch>
          <video src="mp4:test1.f4v" system-bitrate="150000"/>
          <video src="mp4:test2.f4v" system-bitrate="300000"/>
    </switch>
    </body>
</smil>
The SMIL file is in the same root level as the web page.
It does not work, I have tested this with prerecorded videos and it works fine, so I thought it should work with 2 live streams also.
I believe one of the issues might be the Stream: test1;test2
in Flash Media Live Encoder 3?
Second related questions:
Also using Dreamweaver CS5 what is the correct setting to stream an FLV with h264?
I also tried mp4:test1.f4v in the stream name but it comes back with anerror that the name is wrong.
any solutions to what I am doing wrong would be appreciated

Thanks for the response.
With respect to the second query I had, I do understand that FLV does not support H264, I just used the term FLV to mention it was a flash video I was refering to rather tahn the codec used.
The first part, I did actually try that option previously, but it still returned an error of "Cannot Connect".
I used the code generated by the FMS dynamic video page to create the video object.
I simply changed it in Dreamweaver to: ( Bold text are my edits to the original. ) The original generated vod instead of live.
<object width='640' height='377' id='videoPlayer' name='videoPlayer' type='application/x-shockwave-flash' classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000' ><param name='movie' value='swfs/videoPlayer.swf' /> <param name='quality' value='high' /> <param name='bgcolor' value='#000000' /> <param name='allowfullscreen' value='true' /> <param name='flashvars' value= '&videoWidth=0&videoHeight=0&dsControl=manual&dsSensitivity=100&serverURL=dynamicStream.s mil&DS_Status=true&streamType=live&autoStart=true&videoWidth=0&videoHeight=0&dsControl=manual&dsSensitivity=100&rtmp://servername/live/test1.f4v&DS_Status=true&streamType=live&autoStart=true&videoWidth=0&videoHeight=0&dsControl=manual &dsSensitivity=100&serverURL=dynamicStream.smil&DS_Status=true&streamType=live&autoStart=true'/><embed src='swfs/videoPlayer.swf' width='640' height='377' id='videoPlayer' quality='high' bgcolor='#000000' name='videoPlayer' allowfullscreen='true' pluginspage='http://www.adobe.com/go/getflashplayer' flashvars='&videoWidth=0&videoHeight=0&dsControl=manual&dsSensitivity=100&serverURL=dynam icStream.smil&DS_Status=true&streamType=live&autoStart=true&videoWidth=0&videoHeight=0&dsControl=manual&dsSensitivity=100&serverURL=rtmp://servername/live/test1.f4v&DS_Status=true&streamType=live&autoStart=true&videoWidth=0&videoHeight=0&dsControl=manual&dsSensitivity=100&serverURL=dy namicStream.smil&DS_Status=true&streamType=live&autoStart=true' type='application/x-shockwave-flash'> </embed></object>
I think something in this code is causing the connection error.
Regards

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[svn:osmf:] 15252: 1) SMILPlugin - SMILMediaGenerator class modified to support both live and vod smil files .

Revision: 15252
Revision: 15252
Author:   [email protected]
Date:     2010-04-06 16:57:34 -0700 (Tue, 06 Apr 2010)
Log Message:
1) SMILPlugin - SMILMediaGenerator class modified to support both live and vod smil files. SMILLoader modified to retain original resource metadata.
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Streaming 2 x H264 live videos using smil file?

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