bp_media_forums_embed_gif( $content,  $id )

function bp_media_forums_embed_gif( $content, $id ) {
	$gif_data = get_post_meta( $id, '_gif_data', true );

	if ( empty( $gif_data ) ) {
		return $content;
	}

	$preview_url = wp_get_attachment_url( $gif_data['still'] );
	$video_url = wp_get_attachment_url( $gif_data['mp4'] );

	ob_start();
	?>
    <div class="activity-attached-gif-container">
        <div class="gif-image-container">
            <div class="gif-player">
                <video preload="auto" playsinline poster="<?php echo $preview_url ?>" loop muted playsinline>
                    <source src="<?php echo $video_url ?>" type="video/mp4">
                </video>
                <a href="#" class="gif-play-button">
                    <span class="dashicons dashicons-video-alt3"></span>
                </a>
                <span class="gif-icon"></span>
            </div>
        </div>
    </div>
	<?php
	$content .= ob_get_clean();

	return $content;
}