Introduction

Filters

• rtm_allow_custom_thumbnail

Descriptions

rtm_allow_custom_thumbnail

Filter is use to restrict set custom thumbnail for any media type.

Note:: Here media type for album is album-edit.

add_filter( 'rtm_allow_custom_thumbnail', 'rtmedia_allow_custom_thumbnail', 10, 2 );

function rtmedia_allow_custom_thumbnail( $allow, $media_type ) {
    if ( 'video' == $media_type ) {
        $allow = false;
    }
    return $allow;
}