<?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName

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use Automattic\Jetpack\Assets;

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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/**

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* Brightcove shortcode.

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*

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* Brighcove had renovated their video player embedding code since they introduced their "new studio".

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* See https://support.brightcove.com/en/video-cloud/docs.

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* The new code is not 100% backward compatible, as long as a customized player is used.

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* By the time I wrote this, there were about 150000+ posts embedded legacy players, so it would be a bad

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* idea either to introduce a new brightcove shortcode, or to break those posts completely.

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*

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* That's why we introduce a less aggressive way: leaving the old embedding code untouched, and

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* introduce a new set of shortcode parameters which are translated to the latest Brightcove embedding code.

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*

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* e.g.

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* [brightcove video_id="12345" account_id="99999"] will be translated to the latest embedding code.

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* [brightcove exp=627045696&vid=1415670151] or [brightcove exp=1463233149&vref=1601200825] will be translated

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* to the legacy code.

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*/

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class Jetpack_Brightcove_Shortcode {

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/**

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* Shortcode name.

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*

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* @var string

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*/

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public static $shortcode = 'brightcove';

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/**

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* Parse shortcode arguments and render its output.

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*

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* @since 4.5.0

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*

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* @param array $atts Shortcode parameters.

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*

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* @return string

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*/

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public static function convert( $atts ) {

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$normalized_atts = self::normalize_attributes( $atts );

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if ( empty( $atts ) ) {

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return '<!-- Missing Brightcove parameters -->';

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}

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return self::has_legacy_atts( $normalized_atts )

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? self::convert_to_legacy_studio( $normalized_atts )

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: self::convert_to_new_studio( $normalized_atts );

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}

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/**

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* We need to take care of two kinds of shortcode format here.

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* The latest: [shortcode a=1 b=2] and the legacy: [shortcode a=1&b=2]

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* For an old shortcode: [shortcode a=1&b=2&c=3], it would be parsed into array( 'a' => 1&b=2&c=3' ), which is useless.

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* However, since we want to determine whether to call convert_to_legacy_studio() or convert_to_new_studio() via passed parameters, we still need to parse the two properly.

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* See https://jetpack.wp-a2z.org/oik_api/shortcode_new_to_old_params/

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*

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* @since 4.5.0

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*

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* @param array $atts Shortcode parameters.

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*

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* @return array

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*/

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public static function normalize_attributes( $atts ) {

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if ( is_array( $atts ) && 1 === count( $atts ) ) { // this is the case we need to take care of.

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$parsed_atts = array();

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$params = shortcode_new_to_old_params( $atts );

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/**

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* Filter the Brightcove shortcode parameters.

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*

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* @module shortcodes

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*

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* @since 4.5.0

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*

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* @param string $params String of shortcode parameters.

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*/

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$params = apply_filters( 'brightcove_dimensions', $params );

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parse_str( $params, $parsed_atts );

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return $parsed_atts;

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} else {

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return $atts;

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}

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}

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/**

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* Check that it has legacy attributes.

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*

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* @since 4.5.0

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*

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* @param array $atts Shortcode parameters.

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*

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* @return bool

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*/

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public static function has_legacy_atts( $atts ) {

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return ( isset( $atts['vid'] ) || isset( $atts['vref'] ) )

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&& ( isset( $atts['exp'] ) || isset( $atts['exp3'] ) );

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}

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/**

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* Convert to latest player format.

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*

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* @since 4.5.0

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*

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* @param array $atts Shortcode parameters.

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*

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* @return string

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*/

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public static function convert_to_new_studio( $atts ) {

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$defaults = array(

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'account_id' => '',

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'video_id' => '',

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'player_id' => 'default',

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'width' => '100%',

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'height' => '100%',

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);

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$atts_applied = shortcode_atts( $defaults, $atts, self::$shortcode );

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$player_url = sprintf(

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'//players.brightcove.net/%s/%s_default/index.html?videoId=%s',

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esc_attr( $atts_applied['account_id'] ),

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esc_attr( $atts_applied['player_id'] ),

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esc_attr( $atts_applied['video_id'] )

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);

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$output_html = sprintf(

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'<iframe src="' . esc_url( $player_url ) . '" allowfullscreen webkitallowfullscreen mozallowfullscreen style="width: %spx; height: %spx;"></iframe>',

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esc_attr( $atts_applied['width'] ),

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esc_attr( $atts_applied['height'] )

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);

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return $output_html;

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}

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/**

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* Convert to legacy player format.

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*

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* [brightcove exp=627045696&vid=1415670151] for the older player and backward compatibility

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* [brightcove exp=1463233149&vref=1601200825] for the new player

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*

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* @since 4.5.0

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*

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* @param array $atts Shortcode parameters.

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*

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* @return string

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*/

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public static function convert_to_legacy_studio( $atts ) {

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$attr = shortcode_atts(

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array(

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'bg' => '',

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'exp' => '',

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'exp3' => '',

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'h' => '',

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'lbu' => '',

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'pk' => '',

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'pubid' => '',

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's' => '',

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'surl' => '',

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'vid' => '',

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'vref' => '',

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'w' => '',

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),

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$atts

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);

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if ( isset( $attr['pk'] ) ) {

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$attr['pk'] = rawurlencode( preg_replace( '/[^a-zA-Z0-9!*\'();:@&=+$,\/?#\[\]\-_.~ ]/', '', $attr['pk'] ) );

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}

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if ( isset( $attr['bg'] ) ) {

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$attr['bg'] = preg_replace( '![^-a-zA-Z0-9#]!', '', $attr['bg'] );

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}

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$fv = array(

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'viewerSecureGatewayURL' => 'https://services.brightcove.com/services/amfgateway',

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'servicesURL' => 'http://services.brightcove.com/services',

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'cdnURL' => 'http://admin.brightcove.com',

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'autoStart' => 'false',

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);

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$js_tld = 'com';

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$src = '';

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$name = 'flashObj';

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$html5 = false;

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if ( isset( $attr['exp3'] ) ) {

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if ( isset( $attr['surl'] ) && strpos( $attr['surl'], 'brightcove.co.jp' ) ) {

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$js_tld = 'co.jp';

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}

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if ( ! isset( $attr['surl'] ) || ! preg_match( '#^https?://(?:[a-z\d-]+\.)*brightcove\.(?:com|co\.jp)/#', $attr['surl'] ) ) {

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$attr['surl'] = 'http://c.brightcove.com/services';

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}

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$attr['exp3'] = (int) $attr['exp3'];

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$attr['pubid'] = (int) $attr['pubid'];

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$attr['vid'] = (int) $attr['vid'];

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$fv['servicesURL'] = $attr['surl'];

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$fv['playerID'] = $attr['exp3'];

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$fv['domain'] = 'embed';

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$fv['videoID'] = (int) $attr['vid'];

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$src = sprintf(

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'%s/viewer/federated_f9/%s?isVid=1&amp;isUI=1&amp;publisherID=%s',

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$attr['surl'],

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$attr['exp3'],

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$attr['pubid']

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);

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$html5 = true;

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} elseif ( isset( $attr['exp'] ) ) {

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$attr['exp'] = (int) $attr['exp'];

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$src = 'http://services.brightcove.com/services/viewer/federated_f8/' . $attr['exp'];

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if ( $attr['vid'] ) {

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$fv['videoId'] = $attr['vid'];

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} elseif ( $attr['vref'] ) {

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$fv['videoRef'] = $attr['vref'];

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}

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$fv['playerId'] = $attr['exp'];

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$fv['domain'] = 'embed';

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} else {

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return '<small>brightcove error: missing required parameter exp or exp3</small>';

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}

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if ( ! empty( $attr['lbu'] ) ) {

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$fv['linkBaseURL'] = $attr['lbu'];

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}

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$flashvars = trim( add_query_arg( array_map( 'urlencode', $fv ), '' ), '?' );

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$width = null;

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$height = null;

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if ( ! empty( $attr['w'] ) && ! empty( $attr['h'] ) ) {

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$w = abs( (int) $attr['w'] );

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$h = abs( (int) $attr['h'] );

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if ( $w && $h ) {

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$width = $w;

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$height = $h;

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}

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} elseif ( empty( $attr['s'] ) || 'l' === $attr['s'] ) {

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$width = '480';

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$height = '360';

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}

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if ( empty( $width ) || empty( $height ) ) {

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$width = '280';

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$height = '210';

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}

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if ( $html5 ) {

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wp_enqueue_script(

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'brightcove-loader',

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Assets::get_file_url_for_environment( '_inc/build/shortcodes/js/brightcove.min.js', 'modules/shortcodes/js/brightcove.js' ),

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array( 'jquery' ),

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20121127,

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false

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);

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wp_localize_script(

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'brightcove-loader',

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'brightcoveData',

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array(

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'tld' => esc_js( $js_tld ),

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)

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);

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return '

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<object id="myExperience" class="BrightcoveExperience">

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<param name="bgcolor" value="' . esc_attr( $attr['bg'] ) . '" />

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<param name="width" value="' . esc_attr( $width ) . '" />

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<param name="height" value="' . esc_attr( $height ) . '" />

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<param name="playerID" value="' . esc_attr( $attr['exp3'] ) . '" />

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<param name="@videoPlayer" value="' . esc_attr( $attr['vid'] ) . '" />

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<param name="playerKey" value="' . esc_attr( $attr['pk'] ) . '" />

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<param name="isVid" value="1" />

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<param name="isUI" value="1" />

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<param name="dynamicStreaming" value="true" />

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<param name="autoStart" value="false" />

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<param name="secureConnections" value="true" />

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<param name="secureHTMLConnections" value="true" />

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</object>';

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}

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return sprintf(

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'<embed src="%s" bgcolor="#FFFFFF" flashvars="%s" base="http://admin.brightcove.com" name="%s" width="%s" height="%s" allowFullScreen="true" seamlesstabbing="false" type="application/x-shockwave-flash" swLiveConnect="true" pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" />',

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esc_url( $src ),

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$flashvars,

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esc_attr( $name ),

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esc_attr( $width ),

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esc_attr( $height )

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);

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}

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}

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add_shortcode( Jetpack_Brightcove_Shortcode::$shortcode, array( 'Jetpack_Brightcove_Shortcode', 'convert' ) );

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