如何向JW Player 6添加下载按钮

Question

我厌倦了尝试向JW Player 6添加下载按钮

我使用此代码显示视频

我应该怎么做添加它

    {elseif $video_data.video_player == "jwplayer"}
            <div id="Playerholder">
            <noscript>
                {$lang.enable_javascript}
            </noscript>
            <em>{$lang.please_wait}</em>
            </div>
            {literal}
            <script type="text/javascript" src="{/literal}{$smarty.const._URL2}{literal}/players/jwplayer5/jwplayer.js"></script>
            <script type='text/javascript'>
                var flashvars = {
                    "flashplayer": "{/literal}{$smarty.const._URL2}{literal}/players/jwplayer5/jwplayer.swf",
                    "playlist": [{
                    {/literal}
                    {if $video_data.source_id == 0}
                        file: '{$video_data.jw_flashvars.file}',
                        image: '{$video_data.preview_image}',
                        streamer: '{$video_data.jw_flashvars.streamer}',
                        {if $video_data.jw_flashvars.provider != ''} provider: '{$video_data.jw_flashvars.provider}',{/if}
                        {if $video_data.jw_flashvars.startparam != ''} 'http.startparam': '{$video_data.jw_flashvars.startparam}',{/if}
                        {if $video_data.jw_flashvars.loadbalance != ''} 'rtmp.loadbalance': '{$video_data.jw_flashvars.loadbalance}',{/if}
                        {if $video_data.jw_flashvars.subscribe != ''} 'rtmp.subscribe': '{$video_data.jw_flashvars.subscribe}',{/if}
                    {elseif $video_data.source_id == $_sources.youtube.source_id}
                        {literal}