ScratchML draft spec v3

scratchml_d1.xml

<?xml version="1.0"?>
<sml>
    <meta>
        <origin>
            <name></name>
            <location></location>
            <client></client>  <!-- sml generator -->
            <time></time>
        </origin>
        <description></description> <!-- commentary -->
        <tags></tags> <!-- keywords -->
        <tracks>
            <track>
                <deck></deck> <!-- which turntable -->
                <start></start> <!-- when it starts during the performance -->
                <stop></stop> <!-- when it stops during the performance -->
                <name></name>
                <artist></artist>
                <!-- other id3 style data? -->
            </track>
        </tracks>
    </meta>
    <composition>
        <turntable>
            <side>left</side>
            <performance> <!-- this is raw, recorded data -->
                <format>base64</format> <!-- base64 compresses dense, evenly spaced data -->
                <samplerate>
                    <!-- this data could be in different formats, depending on the input source (fps, samples, etc) -->
                    <audio>44100</audio>
                    <buffer>128</buffer>
                </samplerate>
                <data>...bWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4=</data>
            </performance>
            <transcription> <!-- this is transcribed, notated information -->
                <scratch name="flare">
                    <line time="1" position="0" /> <!-- lines: transformer, chirps (derivative = (next-cur)/length) -->
                    <curve time="3" position="1.4" /> <!-- curve: baby, scribble, etc (derivative = 0) -->
                </scratch>
            </transcription>
        </turntable>
        <mixer>
            <crossfader>
                <performance>
                    <hamster>true</hamster>
                    <format>xml</format> <!-- xml is better for sparse data -->
                    <data>
                        <event time="0" value="0" />
                        <event time="2.736" value="0" />
                        <event time="2.736" value="1" />
                        <event time="3.034" value="1" />
                    </data>
                </performance>
                <transcription>
                    <move time="1" position="center" /> <!-- left is open -->
                    <click time="1.5" position="right" /> <!-- left click -->
                    <move time="2" position="right" /> <!-- left is closed -->
                    <move time="3" position="center" />  <!-- left is open -->
                    <crab position="right"> <!-- three click crab -->
                        <click time="3.25" />
                        <click time="3.50" />
                        <click time="3.75" />
                    </crab>
                    <move time="5" position="right" /> <!-- left is closed -->
                </transcription>
            <crossfader>
        </mixer>
    </composition>
</sml>