<?php

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/**

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* Ustream.tv shortcode

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*

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* Example:

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* [ustream id=1524 live=1]

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* [ustreamsocial id=12980237 width="500"]

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*

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* Embed code example, from http://www.ustream.tv/leolaporte

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* <iframe src="http://www.ustream.tv/embed/recorded/1524?v=3&#038;wmode=direct" width="480" height="296" scrolling="no" frameborder="0" style="border: 0 none transparent;"></iframe>

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*

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* @package automattic/jetpack

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*/

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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add_shortcode( 'ustream', 'ustream_shortcode' );

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add_shortcode( 'ustreamsocial', 'ustreamsocial_shortcode' );

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/**

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* Parse shortcode arguments and render output for ustream single video.

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*

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* @since 4.5.0

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*

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* @param array $atts array of user-supplied arguments.

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*

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* @return string HTML output.

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*/

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function ustream_shortcode( $atts ) {

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if ( isset( $atts[0] ) ) {

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return '<!-- ustream error: bad parameters -->';

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}

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$defaults = array(

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'width' => 480,

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'height' => 296,

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'id' => 0,

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'live' => 0,

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'highlight' => 0,

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'version' => 3,

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'hwaccel' => 1,

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);

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$atts = array_map( 'intval', shortcode_atts( $defaults, $atts ) );

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if ( 0 >= $atts['id'] ) {

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return '<!-- ustream error: bad video ID -->';

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}

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if ( 0 >= $atts['height'] ) {

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return '<!-- ustream error: height invalid -->';

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}

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if ( 0 >= $atts['width'] ) {

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return '<!-- ustream error: width invalid -->';

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}

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if ( $atts['live'] ) {

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$recorded = '';

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} else {

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$recorded = 'recorded/';

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}

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if ( ! $atts['live'] && ( 0 < $atts['highlight'] ) ) {

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$highlight = sprintf( '/highlight/%d', esc_attr( $atts['highlight'] ) );

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} else {

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$highlight = '';

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}

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$url_base = sprintf(

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'https://www.ustream.tv/embed/%s%d%s',

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$recorded,

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esc_attr( $atts['id'] ),

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$highlight

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);

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$video_options = array(

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'html5ui' => 1,

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'v' => absint( $atts['version'] ),

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);

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if ( 0 < $atts['hwaccel'] ) {

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$video_options['wmode'] = 'direct';

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}

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$url = add_query_arg(

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$video_options,

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$url_base

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);

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$output = sprintf(

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'<iframe src="%1$s" width="%2$d" height="%3$d" scrolling="no" style="border: 0 none transparent;"></iframe>',

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esc_url( $url ),

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absint( $atts['width'] ),

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absint( $atts['height'] )

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);

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return $output;

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}

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/**

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* Parse shortcode arguments and render output for ustream's Social Stream.

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*

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* @since 4.5.0

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*

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* @param array $atts array of user-supplied arguments.

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*

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* @return string HTML output.

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*/

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function ustreamsocial_shortcode( $atts ) {

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$defaults = array(

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'id' => 0,

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'height' => 420,

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'width' => 320,

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);

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$atts = array_map( 'intval', shortcode_atts( $defaults, $atts ) );

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if ( 0 >= $atts['id'] ) {

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return '<!-- ustreamsocial error: bad social stream ID -->';

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}

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if ( 0 >= $atts['height'] ) {

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return '<!-- ustreamsocial error: height invalid -->';

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}

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if ( 0 >= $atts['width'] ) {

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return '<!-- ustreamsocial error: width invalid -->';

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}

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$url = 'https://www.ustream.tv/socialstream/' . esc_attr( $atts['id'] );

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return sprintf(

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'<iframe id="SocialStream" src="%1$s" class="" name="SocialStream" width="%2$d" height="%3$d" scrolling="no" allowtransparency="true" style="visibility: visible; margin-top: 0; margin-bottom: 0; border: 0;"></iframe>',

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esc_url( $url ),

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absint( $atts['width'] ),

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absint( $atts['height'] )

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);

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}

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