obs-shaderfilter (2.6.0) shader that will squish a source based on the audio_magnitude selected in the parameters

audio_squish.shader

uniform float audio_magnitude;

uniform float amount<
    string label = "Maximum Squish Height";
    string widget_type = "slider";
    float minimum = 0.0;
    float maximum = 1.0;
    float step = 0.01;
> = 0.4;

float4 mainImage(VertData v_in) : TARGET
{
    float curr_bounce = audio_magnitude*amount;
    float y = (v_in.uv.y-curr_bounce)*(1.0/(1.0-curr_bounce));
    float4 col = image.Sample(textureSampler, float2(v_in.uv.x,y));

    return col;
}