wp_read_video_metadata

		<input type="text" class="widefat urlfield" readonly="readonly" name="attachment_url" id="attachment_url" value="<?php echo esc_attr( $att_url ); ?>" />
		<span class="copy-to-clipboard-container">
			<button type="button" class="button copy-attachment-url edit-media" data-clipboard-target="#attachment_url"><?php _e( 'Copy URL' ); ?></button>
			<span class="success hidden" aria-hidden="true"><?php _e( 'Copied!' ); ?></span>
		</span>
	</div>
	<div class="misc-pub-section misc-pub-filename">
		<?php _e( 'File name:' ); ?> <strong><?php echo $filename; ?></strong>
	</div>
	<div class="misc-pub-section misc-pub-filetype">
		<?php _e( 'File type:' ); ?>
		<strong>
		<?php

		if ( preg_match( '/^.*?\.(\w+)$/', get_attached_file( $post->ID ), $matches ) ) {
			echo esc_html( strtoupper( $matches[1] ) );
			list( $mime_type ) = explode( '/', $post->post_mime_type );
			if ( 'image' !== $mime_type && ! empty( $meta['mime_type'] ) ) {
				if ( "$mime_type/" . strtolower( $matches[1] ) !== $meta['mime_type'] ) {
					echo ' (' . $meta['mime_type'] . ')';
				}
			}
		} else {
			echo strtoupper( str_replace( 'image/', '', $post->post_mime_type ) );
		}

		?>
		</strong>
	</div>

	<?php

	$file_size = false;

	if ( isset( $meta['filesize'] ) ) {
		$file_size = $meta['filesize'];
	} elseif ( file_exists( $file ) ) {
		$file_size = filesize( $file );
	}

	if ( ! empty( $file_size ) ) {
		?>
		<div class="misc-pub-section misc-pub-filesize">
			<?php _e( 'File size:' ); ?> <strong><?php echo size_format( $file_size ); ?></strong>
		</div>
		<?php
	}

	if ( preg_match( '#^(audio|video)/#', $post->post_mime_type ) ) {
		$fields = array(
			'length_formatted' => __( 'Length:' ),
			'bitrate'          => __( 'Bitrate:' ),
		);

		/**
		 * Filters the audio and video metadata fields to be shown in the publish meta box.
		 *
		 * The key for each item in the array should correspond to an attachment
		 * metadata key, and the value should be the desired label.
		 *
		 * @since 3.7.0
		 * @since 4.9.0 Added the `$post` parameter.
		 *
		 * @param array   $fields An array of the attachment metadata keys and labels.
		 * @param WP_Post $post   WP_Post object for the current attachment.
		 */
		$fields = apply_filters( 'media_submitbox_misc_sections', $fields, $post );

		foreach ( $fields as $key => $label ) {
			if ( empty( $meta[ $key ] ) ) {
				continue;
			}

			?>
			<div class="misc-pub-section misc-pub-mime-meta misc-pub-<?php echo sanitize_html_class( $key ); ?>">
				<?php echo $label; ?>
				<strong>
				<?php

				switch ( $key ) {
					case 'bitrate':
						echo round( $meta['bitrate'] / 1000 ) . 'kb/s';
						if ( ! empty( $meta['bitrate_mode'] ) ) {
							echo ' ' . strtoupper( esc_html( $meta['bitrate_mode'] ) );
						}
						break;
					default:
						echo esc_html( $meta[ $key ] );
						break;