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<?php |
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/** |
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* VideoPress Shortcode Handler |
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* |
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* This file may or may not be included from the Jetpack VideoPress module. |
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*/ |
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/** |
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* Translate a 'videopress' or 'wpvideo' shortcode and arguments into a video player display. |
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* |
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* Expected input formats: |
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* |
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* [videopress OcobLTqC] |
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* [wpvideo OcobLTqC] |
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* |
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* @link http://codex.wordpress.org/Shortcode_API Shortcode API |
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* @param array $attr shortcode attributes |
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* @return string HTML markup or blank string on fail |
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*/ |
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function videopress_shortcode_callback( $attr ) { |
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global $content_width; |
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/** |
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* We only accept GUIDs as a first unnamed argument. |
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*/ |
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$guid = $attr[0]; |
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/** |
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* Make sure the GUID passed in matches how actual GUIDs are formatted. |
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*/ |
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if ( ! videopress_is_valid_guid( $guid ) ) { |
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return ''; |
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} |
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/** |
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* Set the defaults |
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*/ |
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$defaults = array( |
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'w' => 0, // Width of the video player, in pixels |
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'at' => 0, // How many seconds in to initially seek to |
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'hd' => true, // Whether to display a high definition version |
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'loop' => false, // Whether to loop the video repeatedly |
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'freedom' => false, // Whether to use only free/libre codecs |
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'autoplay' => false, // Whether to autoplay the video on load |
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'permalink' => true, // Whether to display the permalink to the video |
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'flashonly' => false, // Whether to support the Flash player exclusively |
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'defaultlangcode' => false, // Default language code |
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); |
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$attr = shortcode_atts( $defaults, $attr, 'videopress' ); |
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/** |
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* Cast the attributes, post-input. |
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*/ |
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$attr['width'] = absint( $attr['w'] ); |
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$attr['hd'] = (bool) $attr['hd']; |
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$attr['freedom'] = (bool) $attr['freedom']; |
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/** |
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* If the provided width is less than the minimum allowed |
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* width, or greater than `$content_width` ignore. |
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*/ |
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if ( $attr['width'] < VIDEOPRESS_MIN_WIDTH ) { |
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$attr['width'] = 0; |
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} elseif ( isset( $content_width ) && $content_width > VIDEOPRESS_MIN_WIDTH && $attr['width'] > $content_width ) { |
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$attr['width'] = 0; |
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} |
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/** |
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* If there was an invalid or unspecified width, set the width equal to the theme's `$content_width`. |
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*/ |
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if ( 0 === $attr['width'] && isset( $content_width ) && $content_width >= VIDEOPRESS_MIN_WIDTH ) { |
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$attr['width'] = $content_width; |
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} |
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/** |
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* If the width isn't an even number, reduce it by one (making it even). |
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*/ |
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if ( 1 === ( $attr['width'] % 2 ) ) { |
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$attr['width'] --; |
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} |
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/** |
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* Filter the default VideoPress shortcode options. |
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* |
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* @module videopress |
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* |
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* @since 2.5.0 |
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* |
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* @param array $args Array of VideoPress shortcode options. |
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*/ |
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$options = apply_filters( 'videopress_shortcode_options', array( |
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'at' => (int) $attr['at'], |
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'hd' => $attr['hd'], |
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'loop' => $attr['autoplay'] || $attr['loop'], |
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'freedom' => $attr['freedom'], |
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'autoplay' => $attr['autoplay'], |
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'permalink' => $attr['permalink'], |
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'force_flash' => (bool) $attr['flashonly'], |
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'defaultlangcode' => $attr['defaultlangcode'], |
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'forcestatic' => false, // This used to be a displayed option, but now is only |
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// accessible via the `videopress_shortcode_options` filter. |
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) ); |
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// Register VideoPress scripts |
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wp_register_script( 'videopress', 'https://v0.wordpress.com/js/videopress.js', array( 'jquery', 'swfobject' ), '1.09' ); |
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require_once( dirname( __FILE__ ) . '/class.videopress-video.php' ); |
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require_once( dirname( __FILE__ ) . '/class.videopress-player.php' ); |
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$player = new VideoPress_Player( $guid, $attr['width'], $options ); |
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if ( is_feed() ) { |
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return $player->asXML(); |
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} else { |
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return $player->asHTML(); |
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} |
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} |
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add_shortcode( 'videopress', 'videopress_shortcode_callback' ); |
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add_shortcode( 'wpvideo', 'videopress_shortcode_callback' ); |
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/** |
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* By explicitly declaring the provider here, we can speed things up by not relying on oEmbed discovery. |
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*/ |
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wp_oembed_add_provider( '#^https?://videopress.com/v/.*#', 'http://public-api.wordpress.com/oembed/1.0/', true ); |
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/** |
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* Adds a `for` query parameter to the oembed provider request URL. |
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* @param String $oembed_provider |
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* @return String $ehnanced_oembed_provider |
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*/ |
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function videopress_add_oembed_for_parameter( $oembed_provider ) { |
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if ( false === stripos( $oembed_provider, 'videopress.com' ) ) { |
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return $oembed_provider; |
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} |
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return add_query_arg( 'for', parse_url( home_url(), PHP_URL_HOST ), $oembed_provider ); |
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} |
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add_filter( 'oembed_fetch_url', 'videopress_add_oembed_for_parameter' ); |
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/** |
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* An intermediary shortcode parser for the Core `[video]` shortcode. |
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* |
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* This lets us convert legacy video embeds over to VideoPress embeds, |
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* if the video files have been uploaded and transcoded. |
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* |
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* @param $attr |
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* |
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* @return string|void |
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*/ |
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function videopress_shortcode_override_for_core_shortcode( $raw_attr, $contents, $tag ) { |
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$attr = $raw_attr; |
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$videopress_guid = null; |
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if ( isset( $attr['videopress_guid'] ) ) { |
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$videopress_guid = $attr['videopress_guid']; |
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} elseif ( isset( $attr['mp4'] ) ) { |
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$url = $attr['mp4']; |
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if ( preg_match( '@videos.videopress.com/([a-z0-9]{8})/@', $url, $matches ) ) { |
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$videopress_guid = $matches[1]; |
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} |
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} |
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if ( $videopress_guid ) { |
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$videopress_attr = array( $videopress_guid ); |
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if ( $attr['width'] ) { |
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$videopress_attr['w'] = (int) $attr['width']; |
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} |
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if ( $attr['autoplay'] ) { |
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$videopress_attr['autoplay'] = $attr['autoplay']; |
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} |
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if ( $attr['loop'] ) { |
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$videopress_attr['loop'] = $attr['loop']; |
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} |
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// Then display the VideoPress version of the stored GUID! |
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return videopress_shortcode_callback( $videopress_attr ); |
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} |
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// Nothing else caught, so fall back to the core shortcode. |
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return call_user_func( $GLOBALS['vp_original_video_shortcode_callback'], $raw_attr, $contents, $tag ); |
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} |
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// The callback should nearly always be `wp_video_shortcode` unless some other plugin |
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// has overridden it similarly to what we're doing here. |
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$GLOBALS['vp_original_video_shortcode_callback'] = $GLOBALS['shortcode_tags']['video']; |
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remove_shortcode( 'video' ); |
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add_shortcode( 'video', 'videopress_shortcode_override_for_core_shortcode' ); |
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Automattic /
jetpack
