efx_cabsim.js

function flexfx_create( tag )
{
    var x = "";

    x += "<p>";
    x += "Stereo Cabinet Simulator using impulse responses. Impulse responses to upload must be ";
    x += "stored in a wave file (RIFF/WAV format) and have a sampling frequency of 48 kHz. Both ";
    x += "mono and stereo source data is supported. Stereo can also be employed by specifying two ";
    x += "separate mono WAV files.";
    x += "</p>";
    x += "<table class='flexfx'>";
    x += "<thead>";
    x += "<tr><th>Preset</th><th>Left/Mono</th><th>Right/Stereo</th><th>File Name(s)</th></tr>";
    x += "</thead>";

    x += "<tbody>";
    for( var p = 1; p <= 9; ++p ) {
    x += "<tr><td class='preset' id='"+tag+"_preset"+p+"'>"+p+"</td>";
    x += "<td><input type='file' style='display:none' id='"+tag+"_input"+p+"L'/><button id='"+tag+"_button"+p+"L'>Select IR</button></td>";
    x += "<td><input type='file' style='display:none' id='"+tag+"_input"+p+"R'/><button id='"+tag+"_button"+p+"R'>Select IR</button></td>";
    x += "<td><div style='display:inline-block'>";
    x += "<div id='"+tag+"_text"+p+"L'>Celestion G12H Ann 152 Open Room.wav</div>";
    x += "<div id='"+tag+"_text"+p+"R'>Celestion G12H Ann 152 Open Room.wav</div>";
    x += "</div></td>"; x += "</tr>"; }
    x += "</tbody></table>";

    return x;
}

function flexfx_initialize( tag )
{
    for( var i = 1; i <= 9; ++i )
    {
        $(tag+"_preset"+i).onclick     = _on_cabsim_select;
        $(tag+"_button"+i+"L").onclick = _on_cabsim_button;
        $(tag+"_button"+i+"R").onclick = _on_cabsim_button;
        $(tag+"_input"+i+"L").onchange = _on_cabsim_input;
        $(tag+"_input"+i+"R").onchange = _on_cabsim_input;
    }
    return _on_property_received;
}

function _on_cabsim_select( event )
{
    var tag = flexfx_get_tag( event.target.id );

    if( event.target.innerHTML[0] == '[' ) preset = parseInt( event.target.innerHTML[1] );
    else preset = parseInt( event.target.innerHTML );

    parent = $(tag+"_preset"+preset).parentNode.parentNode;
    for( var i = 1; i <= 9; ++i ) parent.children[i-1].children[0].innerHTML = i;
    parent.children[preset-1].children[0].innerHTML = "[" + preset + "]";

    //flexfx_send_property( tag, property );
}

function _on_cabsim_input( event )
{
    var tag    = flexfx_get_tag( event.target.id );
    var unit   = parseInt( event.target.id[(tag+"_input").length+0] );
    var preset = parseInt( event.target.id[(tag+"_input").length+1] );
    var side   =           event.target.id[(tag+"_input").length+2];
    var file   = $(tag+"_input"+unit+""+preset+side).files[0];

    $(tag+"_text"+unit+""+preset+side).textContent = file.name;

    var reader = new FileReader();
    reader.onload = function(e)
    {
        var samples = flexfx_wave_to_samples( new Uint8Array( reader.result ));
        console.log( samples.length );

        var offset = 0;
        while( offset < 1200 ) {
            if( samples.length >= 4 ) {
                var property = [ 0x01018000+offset/5, samples[0],samples[1],samples[2],samples[3],samples[4] ];
                samples = samples.slice( 5 );
                flexfx_property = [0,0,0,0,0,0];
                flexfx_send_property( tag, property );
            }
            while( 1 ) { if( flexfx_property[0] == 0x01018000+offset/5 ) break; }
            offset += 5;
        }
    }
    reader.readAsArrayBuffer( file );
}

function _on_cabsim_button( event )
{
    var tag    = flexfx_get_tag( event.target.id );
    var preset = parseInt( event.target.id[(tag+"_button").length+0] );
    var side   =           event.target.id[(tag+"_button").length+1];
    $(tag+"_input"+preset+""+side).click();
}

function _on_property_received( property )
{
}

function _on_firmware_status( status )
{
}