If you want to embed the player dynamically, the library supports rewriting swfObject or flashembed. In addition, the library supports a native mechanism to embed the iframe:
kalturaIframeEmbed( 'kaltura-video', { 'wid' : '_243342', 'uiconf_id' : '5349042', 'entry_id' : '0_ntovmku5' });
Please visit our html5 video faq on the html5video.org wiki for the latest HTML5 documentation.