Redirect user to media page when user click on profile picture

functions.php

<?php
/**
 * rtmedia_bp_get_activity_user_link_callback Change the User link to User Media link
 *
 * @param  [type] $link Original link of the Author
 */
function rtmedia_bp_get_activity_user_link_callback( $link ) {
	// copy original link to new variable
	$new_link = $link;

	// check is  slug Constants is define or not
	if ( defined( 'RTMEDIA_MEDIA_SLUG' ) ) {
		$add_url = RTMEDIA_MEDIA_SLUG;
	} else {
		$add_url = 'media';
	}

	// add forward slash to new slug
	$add_url = $add_url . '/';

	// get login user id
	$get_current_user_id = get_current_user_id();

	// check if user is login or not
	if ( ! empty( $get_current_user_id ) ) {
		global $activities_template;

		// check of  login user if and activity author id is not same
		if ( $activities_template->activity->user_id != $get_current_user_id ) {
			// uddate the slug is not same
			$new_link = $new_link . $add_url;
		}
	} else {
		// if user is not login in then directly change the slug
		$new_link = $new_link . $add_url;
	}

	// return the new author link
	return $new_link;
}
add_filter( 'bp_get_activity_user_link', 'rtmedia_bp_get_activity_user_link_callback', 10, 1 );

?>