Audio Multitrack Settings

<?xml version="1.0"?>
<query>
    <userid><<id>></userid> <!-- required-->
    <userkey><<key>></userkey> <!-- required-->
    <action>[Action]</action> <!-- required-->
    <source>[SourceFile]</source> <!-- required -->
    <format>
        <output>[OutputFormat]</output> <!-- required -->
        <audio_stream>
            <use_stream_id>[SourceMediaAudioStreamID]</use_stream_id>
            <natural_order>[yes|no]</natural_order>
            <language>[ISO639-2 language identifier]</language>
            <!-- Common audio settings -->
            <channel>
                <id>[OutputChannelID]</id>
                <in>
                    <id>[SourceTrackID:SourceChannelID]</id>
                    <gain>[ChannelGainLevel]</gain>
                </in>
                <in>
                    <!-- input channel params -->
                </in>
                <split_layout>[SplitLayout]</split_layout>
            </channel>
            <channel>
                <!-- audio channel params -->
            </channel>
            <normalize>[yes|no]</normalize>
            <layout>[AudioLayoutName]</layout>
            <audio_channels_number>[ChannelsNumber]</audio_channels_number>
            <automix_channels>[yes|no]</automix_channels>
            <lfe_low>[LfeLow]</lfe_low>
            <lfe_high>[LfeHigh]</lfe_high>
            <split_channels>[yes|no]</split_channels>
            <validate>
                <on_error>[pass|fail|report]</on_error>
                <repair>[yes|no]</repair>
                <loudness_diff>[LoudnessDiff]<loudness_diff>
                <stereo_diff>[StereoDiff]</stereo_diff>
                <side_diff>[SideDiff]</side_diff>
            </validate>
            <metadata_channel_layout>[LayoutMetaData]</metadata_channel_layout>
            <upmix_channel_gain>
                <fl>[FLGain]</fl>
                <fr>[FRGain]</fr>
                <fc>[FCGain]</fc>
                <lfe>[LFGain]</lfe>
                <sl>[SLGain]</sl>
                <sr>[SRGain]</sr>
                <bl>[BLGain]</bl>
                <br>[BRGain]</br>
                <bc>[BCGain]</bc>
            </upmix_channel_gain>
            <disposition>[visual_impaired|hearing_impaired]</disposition>
        </audio_stream>
        <!-- multiple audio_streams -->
        <audio_stream>
            <!-- audio_stream params -->
        </audio_stream>
        <!-- format params -->
    </format>
</query>

{
    "query": {
        "userid": "<<id>>", // required
        "userkey": "<<key>>", // required
        "action": "[Action]", // required
        "source": "[SourceFile]", // required
        "format": {
            "output": "[OutputFormat]", // required
            "audio_stream": [
                {
                    "use_stream_id": "[SourceMediaAudioStreamID]",
                    "natural_order": "[yes|no]",
                    "language": "[ISO639-2 language identifier]",
                    "channel": [
                        {
                            "id": "[OutputChannelID]",
                            "in": [
                                {
                                    "id": "[SourceTrackID:SourceChannelID]",
                                    "gain": "[ChannelGainLevel]"
                                },
                                {
                                    // input channel params
                                }
                            ],
                            "split_layout": "[SplitLayout]"
                        },
                        {
                            // audio channel params
                        }
                    ],
                    "normalize": "[yes|no]",
                    "layout": "[AudioLayoutName]",
                    "audio_channels_number": "[ChannelsNumber]",
                    "automix_channels": "[yes|no]",
                    "lfe_low": "[LfeLow]",
                    "lfe_high": "[LfeHigh]",
                    "split_channels": "[yes|no]",
                    "validate": {
                        "on_error": "[pass|fail|report]",
                        "repair": "[yes|no]",
                        "loudness_diff": "[LoudnessDiff]",
                        "stereo_diff": "[StereoDiff]",
                        "side_diff": "[SideDiff]"
                    },
                    "metadata_channel_layout": "[LayoutMetaData]",
                    "upmix_channel_gain": {
                        "fl": "[FLGain]",
                        "fr": "[FRGain]',
                        "fc": "[FCGain]",
                        "lfe": "[LFGain]",
                        "sl": "[SLGain]",
                        "sr": "[SRGain]",
                        "bl": "[BLGain]",
                        "br": "[BRGain]",
                        "bc": "[BCGain]"
                    }
                    "disposition": "[visual_impaired|hearing_impaired]"
                },
                {
                    // audio_stream params
                }
            ]
            // format params
        }
    }
}