olive motion blur try 1

motion-blur.xml

<?xml version="1.0"?>
<olive version="230220">
    <nodes version="1">
        <node version="1" id="org.olivevideoeditor.Olive.shader" ptr="2641025001424">
            <label>unnamed</label>
            <input id="enabled_in">
                <primary>
                    <keyframing>0</keyframing>
                    <standard>
                        <track>true</track>
                    </standard>
                </primary>
            </input>
            <input id="source">
                <primary>
                    <standard>
                        <track>#version 150
//OVE shader_name: 
//OVE shader_description: 

//OVE main_input_name: Input
uniform sampler2D tex_in;

//OVE name: my input
//OVE type: TEXTURE
//OVE flag: NOT_KEYFRAMABLE
//OVE description: 
uniform sampler2D tex2_in;

//OVE name: my float
//OVE type: FLOAT
//OVE flag: NOT_CONNECTABLE
//OVE min: 0.0
//OVE max: 100.0
//OVE default: 10.0
//OVE description: 
uniform float BLURAMOUNT;


//OVE end


// pixel coordinates in range [0..1]x[0..1]
in vec2 ove_texcoord;
// output color
out vec4 frag_color;

void main(void) {
   vec4 textureColor = texture(tex_in, ove_texcoord);
   vec4 textureColor2 = texture(tex2_in, ove_texcoord);
   frag_color= textureColor/BLURAMOUNT + (BLURAMOUNT-1.)*textureColor2/BLURAMOUNT;;
}
</track>
                    </standard>
                </primary>
            </input>
            <input id="issues">
                <primary>
                    <standard>
                        <track>None</track>
                    </standard>
                </primary>
            </input>
            <input id="tex_in">
                <primary>
                    <standard>
                        <track></track>
                    </standard>
                </primary>
            </input>
            <input id="tex2_in">
                <primary>
                    <standard>
                        <track></track>
                    </standard>
                </primary>
            </input>
            <input id="BLURAMOUNT">
                <primary>
                    <keyframing>0</keyframing>
                    <standard>
                        <track>39.10000000000002</track>
                    </standard>
                </primary>
            </input>
            <connections>
                <connection input="tex2_in" element="-1">
                    <output>2641940957408</output>
                </connection>
                <connection input="tex_in" element="-1">
                    <output>2641693788944</output>
                </connection>
            </connections>
            <hints>
                <hint input="enabled_in" element="-1" version="1">
                    <types/>
                    <index>-1</index>
                    <tag></tag>
                </hint>
                <hint input="issues" element="-1" version="1">
                    <types/>
                    <index>-1</index>
                    <tag></tag>
                </hint>
                <hint input="source" element="-1" version="1">
                    <types/>
                    <index>-1</index>
                    <tag></tag>
                </hint>
                <hint input="tex_in" element="-1" version="1">
                    <types/>
                    <index>-1</index>
                    <tag></tag>
                </hint>
            </hints>
            <caches>
                <audio>{0624d654-bd2a-480d-9717-9e7c5a01b460}</audio>
                <video>{f56e02a4-38c8-449d-a07a-8a6d5c54e91c}</video>
                <thumb>{ad906f20-31b3-4aff-bf79-10c66f6ee08b}</thumb>
                <waveform>{8e45ea1c-6500-436f-86c8-6559f1164efb}</waveform>
            </caches>
            <custom/>
        </node>
        <node version="1" id="org.olivevideoeditor.Olive.timeoffset" ptr="2641940957408">
            <input id="enabled_in">
                <primary>
                    <keyframing>0</keyframing>
                    <standard>
                        <track>true</track>
                    </standard>
                </primary>
            </input>
            <input id="time_in">
                <primary>
                    <keyframing>0</keyframing>
                    <standard>
                        <track>-1/10</track>
                    </standard>
                </primary>
            </input>
            <input id="input_in">
                <primary>
                    <standard>
                        <track></track>
                    </standard>
                </primary>
            </input>
            <connections>
                <connection input="input_in" element="-1">
                    <output>2641693788944</output>
                </connection>
            </connections>
            <caches>
                <audio>{abc8ed8b-9408-4045-87af-7bf249fbfce9}</audio>
                <video>{35c983c7-6025-404b-b686-a7b757648bca}</video>
                <thumb>{97b41e95-f51e-4870-8c9e-85e95b8db5de}</thumb>
                <waveform>{e196be0a-be98-48b5-82a5-86b78b72bb12}</waveform>
            </caches>
            <custom/>
        </node>
        <properties>
            <node ptr="2641025001424">
                <expanded>0</expanded>
                <x>-1.39394</x>
                <y>-0.54321</y>
            </node>
            <node ptr="2641940957408">
                <expanded>0</expanded>
                <x>-2.28409</x>
                <y>0.518519</y>
            </node>
        </properties>
    </nodes>
</olive>