bp_activity_embed_media()

function bp_activity_embed_media() {
	// Bail if oEmbed request explicitly hides media.
	if ( isset( $_GET['hide_media'] ) && true == wp_validate_boolean( $_GET['hide_media'] ) ) {
		/**
		 * Do something after media is rendered for an activity oEmbed item.
		 *
		 * @since BuddyPress 2.6.0
		 */
		do_action( 'bp_activity_embed_after_media' );

		return;
	}

	/**
	 * Should we display media in the oEmbed template?
	 *
	 * @since BuddyPress 2.6.0
	 *
	 * @param bool $retval Defaults to true.
	 */
	$allow_media = apply_filters( 'bp_activity_embed_display_media', true );

	// Find oEmbeds from only WP registered providers.
	bp_remove_all_filters( 'oembed_providers' );
	$media = bp_core_extract_media_from_content( $GLOBALS['activities_template']->activity->content, 'embeds' );
	bp_restore_all_filters( 'oembed_providers' );

	// oEmbeds have precedence over inline video / audio.
	if ( isset( $media['embeds'] ) && true === $allow_media ) {
		// Autoembed first URL.
		$oembed_defaults = wp_embed_defaults();
		$oembed_args = array(
			'width'    => $oembed_defaults['width'],
			'height'   => $oembed_defaults['height'],
			'discover' => true
		);
		$url      = $media['embeds'][0]['url'];
		$cachekey = '_oembed_response_' . md5( $url . serialize( $oembed_args ) );

		// Try to fetch oEmbed response from meta.
		$oembed = bp_activity_get_meta( bp_get_activity_id(), $cachekey );

		// No cache, so fetch full oEmbed response now!
		if ( '' === $oembed ) {
			$o = _wp_oembed_get_object();
			$oembed = $o->fetch( $o->get_provider( $url, $oembed_args ), $url, $oembed_args );

			// Cache oEmbed response.
			bp_activity_update_meta( bp_get_activity_id(), $cachekey, $oembed );
		}

		$content = '';

		/**
		 * Filters the default embed display max width.
		 *
		 * This is used if the oEmbed response does not return a thumbnail width.
		 *
		 * @since BuddyPress 2.6.0
		 *
		 * @param int $width.
		 */
		$width = (int) apply_filters( 'bp_activity_embed_display_media_width', 550 );

		// Set thumbnail.
		if ( 'photo' === $oembed->type ) {
			$thumbnail = $oembed->url;
		} elseif ( isset( $oembed->thumbnail_url ) ) {
			$thumbnail = $oembed->thumbnail_url;

		/* Non-oEmbed standard attributes */
		// Mixcloud
		} elseif ( isset( $oembed->image ) ) {
			$thumbnail = $oembed->image;
		// ReverbNation
		} elseif ( isset( $oembed->{'thumbnail-url'} ) ) {
			$thumbnail = $oembed->{'thumbnail-url'};
		}

		// Display thumb and related oEmbed meta.
		if ( true === isset ( $thumbnail ) ) {
			$play_icon = $caption = '';

			// Add play icon for non-photos.
			if ( 'photo' !== $oembed->type ) {
				/**
				 * ion-play icon from Ionicons.
				 *
				 * @link    http://ionicons.com/
				 * @license MIT
				 */
				$play_icon = <<<EOD
<svg id="Layer_1" style="enable-background:new 0 0 512 512;" version="1.1" viewBox="0 0 512 512" xml:space="preserve" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><path d="M405.2,232.9L126.8,67.2c-3.4-2-6.9-3.2-10.9-3.2c-10.9,0-19.8,9-19.8,20H96v344h0.1c0,11,8.9,20,19.8,20  c4.1,0,7.5-1.4,11.2-3.4l278.1-165.5c6.6-5.5,10.8-13.8,10.8-23.1C416,246.7,411.8,238.5,405.2,232.9z"/></svg>
EOD;

				$play_icon = sprintf( '<a rel="nofollow" class="play-btn" href="%1$s" onclick="top.location.href=\'%1$s\'">%2$s</a>', esc_url( $url ), $play_icon );
			}

			// Thumb width
			$thumb_width = isset( $oembed->thumbnail_width ) && 'photo' !== $oembed->type && (int) $oembed->thumbnail_width < 550 ? (int) $oembed->thumbnail_width : $width;

			$float_width = 350;

			// Set up thumb.
			$content = sprintf( '<div class="thumb" style="max-width:%1$spx">%2$s<a href="%3$s" rel="nofollow" onclick="top.location.href=\'%3$s\'"><img src="%4$s" /></a></div>', $thumb_width, $play_icon, esc_url( $url ), esc_url( $thumbnail ) );

			// Show title.
			if ( isset( $oembed->title ) ) {
				$caption .= sprintf( '<p class="caption-title"><strong>%s</strong></p>', apply_filters( 'single_post_title', $oembed->title ) );
			}

			// Show description (non-oEmbed standard)
			if ( isset( $oembed->description ) ) {
				$caption .= sprintf( '<div class="caption-description">%s</div>', apply_filters( 'bp_activity_get_embed_excerpt', $oembed->description ) );
			}

			// Show author info.
			if ( isset( $oembed->provider_name ) && isset( $oembed->author_name ) ) {
				/* translators: By [oEmbed author] on [oEmbed provider]. eg. By BuddyPress on YouTube. */
				$anchor_text = sprintf( __( 'By %1$s on %2$s', 'buddyboss' ), $oembed->author_name, $oembed->provider_name );

			} elseif ( isset( $oembed->provider_name ) ) {
				$anchor_text = sprintf( __( 'View on %s', 'buddyboss' ), $oembed->provider_name );
			}

			if ( true === isset( $anchor_text ) )  {
				$caption .= sprintf( '<a rel="nofollow" href="%1$s" onclick="top.location.href=\'%1$s\'">%2$s</a>', esc_url( $url ), apply_filters( 'the_title', $anchor_text ) );
			}

			// Set up caption.
			if ( '' !== $caption ) {
				$css_class = isset( $oembed->provider_name ) ? sprintf( ' provider-%s', sanitize_html_class( strtolower( $oembed->provider_name ) ) ) : '';
				$caption = sprintf( '<div class="caption%1$s" style="width:%2$s">%3$s</div>',
					$css_class,
					$thumb_width > $float_width ? 100 . '%' : round( ( $width - (int) $thumb_width ) / $width * 100 ) . '%',
					$caption
				);

				$content .= $caption;
			}
		}

		// Print rich content.
		if ( '' !== $content ) {
			printf( '<div class="bp-activity-embed-display-media %s" style="max-width:%spx">%s</div>',
				$thumb_width < $float_width ? 'two-col' : 'one-col',
				$thumb_width < $float_width ? $width : $thumb_width,
				$content
			);
		}

	// Video / audio.
	} elseif ( true === $allow_media ) {
		// Call BP_Embed if it hasn't already loaded.
		bp_embed_init();

		// Run shortcode and embed routine.
		$content = buddypress()->embed->run_shortcode( $GLOBALS['activities_template']->activity->content );
		$content = buddypress()->embed->autoembed( $content );

		// Try to find inline video / audio.
		$media = bp_core_extract_media_from_content( $content, 96 );

		// Video takes precedence. HTML5-only.
		if ( isset( $media['videos'] ) && 'shortcodes' === $media['videos'][0]['source'] ) {
			printf( '<video controls preload="metadata"><source src="%1$s"><p>%2$s</p></video>',
				esc_url( $media['videos'][0]['url'] ),
				esc_html__( 'Your browser does not support HTML5 video', 'buddyboss' )
			);

		// No video? Try audio. HTML5-only.
		} elseif ( isset( $media['audio'] ) && 'shortcodes' === $media['audio'][0]['source'] ) {
			printf( '<audio controls preload="metadata"><source src="%1$s"><p>%2$s</p></audio>',
				esc_url( $media['audio'][0]['url'] ),
				esc_html__( 'Your browser does not support HTML5 audio', 'buddyboss' )
			);
		}

	}

	/** This hook is documented in /bp-activity/bp-activity-embeds.php */
	do_action( 'bp_activity_embed_after_media' );
}