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<?php
/**
* @package Internals
* @since 1.7.0
* @version 1.7.0
*/
// Avoid direct calls to this file.
if ( ! class_exists( 'WPSEO_Video_Sitemap' ) ) {
header( 'Status: 403 Forbidden' );
header( 'HTTP/1.1 403 Forbidden' );
exit();
}
/**
*****************************************************************
* Brightcove Video SEO Details
*
* JSON response format [2014/7/22]:
* {
* "name":"Space-Galaxy",
* "videoStillURL":"http:\/\/brightcove.vo.llnwd.net\/e1\/pd\/57838016001\/57838016001_1520916808001_vs-1520911645001.jpg?pubId=57838016001",
* "thumbnailURL":"http:\/\/brightcove.vo.llnwd.net\/e1\/pd\/57838016001\/57838016001_1520916809001_th-1520911645001.jpg?pubId=57838016001",
* "length":20000,
* "playsTotal":86,
* "FLVURL":"http:\/\/brightcove.vo.llnwd.net\/e1\/uds\/pd\/57838016001\/57838016001_1520916807001_Space-Galaxy.mp4",
* "videoFullLength":{
* "audioOnly":false,
* "controllerType":"DEFAULT",
* "displayName":"Space-Galaxy.mp4",
* "encodingRate":500000,
* "frameHeight":268,
* "frameWidth":480,
* "id":1520916807001,
* "referenceId":null,
* "remoteStreamName":null,
* "remoteUrl":null,
* "size":1126642,
* "uploadTimestampMillis":1332265138822,
* "url":"http:\/\/brightcove.vo.llnwd.net\/e1\/uds\/pd\/57838016001\/57838016001_1520916807001_Space-Galaxy.mp4",
* "videoCodec":"H264",
* "videoContainer":"MP4",
* "videoDuration":20000
* }
* }
*/
if ( ! class_exists( 'WPSEO_Video_Details_Brightcove' ) ) {
/**
* Class WPSEO_Video_Details_Brightcove
*/
class WPSEO_Video_Details_Brightcove extends WPSEO_Video_Details {
/**
* Information on the remote URL to use for retrieving the video details.
*
* @var array
*/
protected $remote_url = array(
'pattern' => 'http://api.brightcove.com/services/library?command=find_video_by_id&video_id=%s&video_fields=name,playsTotal,videoStillURL,thumbnailURL,length,FLVURL,videoFullLength&media_delivery=http',
'replace_key' => 'id',
'response_type' => 'json',
);
/**
* Brightcove token.
*
* @var string
*/
private $bc_token;
/**
* Instantiate the class
*
* Retrieve the Brightcove token and only pass of to the parent constructor if we find one
*
* @param array $vid The video array with all the data.
* @param array $old_vid The video array with all the data of the previous "fetch", if available.
*
* @return \WPSEO_Video_Details_Brightcove
*/
public function __construct( $vid, $old_vid = array() ) {
// Grab Brightcove api key from wp_options.
$this->bc_token = get_option( 'bc_api_key' );
if ( ! empty( $this->bc_token ) ) {
$this->remote_url['pattern'] .= '&token=' . $this->bc_token;
// Set the class properties before the parent constructor so they're available to maybe_use_old.
$vid = (array) $vid;
$this->vid = array_merge( $this->vid, array_filter( $vid ) );
if ( is_array( $old_vid ) && $old_vid !== array() ) {
$this->old_vid = $old_vid;
}
// Bail out as early as possible to avoid extra API call.
$this->maybe_use_old_video_data();
parent::__construct( $this->vid, $this->old_vid );
}
else {
// @todo [JRF -> Yoast] Why not use (merge with) oldvid data here if available ? The api key might be removed, but old data might still be better than none.
$this->vid = $vid;
}
}
/**
* Retrieve the video id based on a known video url via an external API call.
*
* @param int $match_nr [Not used in this implementation].
*
* @return void
*/
protected function determine_video_id_from_url( $match_nr = 1 ) {
if ( is_string( $this->vid['url'] ) && $this->vid['url'] !== '' ) {
$parse = WPSEO_Video_Analyse_Post::wp_parse_url( $this->vid['url'] );
$query_vars = array();
if ( ! empty( $parse['query'] ) ) {
parse_str( $parse['query'], $query_vars );
if ( isset( $query_vars['vidID'] ) && ( is_string( $query_vars['vidID'] ) && $query_vars['vidID'] !== '' ) ) {
$this->vid['id'] = $query_vars['ID'];
}
elseif ( isset( $query_vars['playerID'] ) && ( is_string( $query_vars['playerID'] ) && $query_vars['playerID'] !== '' ) ) {
$this->vid['player_id'] = $query_vars['playerID'];
}
// Player id is given which means this is a playlist so grab the first video from the playlist.
if ( isset( $this->vid['player_id'] ) && $this->vid['player_id'] ) {
$this->determine_video_id_from_playlist();
}
}
}
}
/**
* Retrieve the video id of the first video of a playlist via an external API call.
*
* @return void
*/
private function determine_video_id_from_playlist() {
$url = 'http://api.brightcove.com/services/library?command=find_playlists_for_player_id&player_id=%s&video_fields=id&token=%s';
$url = sprintf( $url, $this->vid['player_id'], $this->bc_token );
$url = $this->url_encode( $url );
$response = $this->remote_get( $url );
if ( is_string( $response ) && $response !== 'null' ) {
$decoded_response = json_decode( $response );
if ( is_object( $decoded_response ) && ! isset( $decoded_response->error ) ) {
if ( isset( $decoded_response->items[0]->videoIds[0] ) && ( is_string( $decoded_response->items[0]->videoIds[0] ) && $decoded_response->items[0]->videoIds[0] !== '' ) ) {
$this->vid['id'] = $decoded_response->items[0]->videoIds[0];
}
}
}
}
/**
* Use the "new" post data with the old video data, to prevent the need for an external video
* API call when the video hasn't changed.
*
* Match whether old data can be used on video id or on video url if id is not available
*
* @param string $match_on Array key to use in the $vid array to determine whether or not to use the old data
* Defaults to 'url' for this implementation.
*
* @return bool Whether or not valid old data was found (and used)
*/
protected function maybe_use_old_video_data( $match_on = 'url' ) {
if ( ( isset( $this->old_vid['id'] ) && isset( $this->vid['id'] ) ) && $this->old_vid['id'] === $this->vid['id'] ) {
$match_on = 'id';
}
return parent::maybe_use_old_video_data( $match_on );
}
/**
* Check if the response is for a video
*
* @return bool
*/
protected function is_video_response() {
return ( isset( $this->decoded_response ) && ( is_object( $this->decoded_response ) && ! isset( $this->decoded_response->error ) ) );
}
/**
* Set the content location
*/
protected function set_content_loc() {
if ( ! empty( $this->decoded_response->FLVURL ) ) {
$this->vid['content_loc'] = $this->decoded_response->FLVURL;
}
}
/**
* Set the video duration
*/
protected function set_duration() {
if ( ! empty( $this->decoded_response->length ) && $this->decoded_response->length > 0 ) {
$this->vid['duration'] = ( $this->decoded_response->length / 1000 );
}
elseif ( ! empty( $this->decoded_response->videoFullLength->videoDuration ) && $this->decoded_response->videoFullLength->videoDuration > 0 ) {
$this->vid['duration'] = ( $this->decoded_response->videoFullLength->videoDuration / 1000 );
}
}
/**
* Set the video height
*/
protected function set_height() {
if ( ! empty( $this->decoded_response->videoFullLength->frameHeight ) ) {
$this->vid['height'] = $this->decoded_response->videoFullLength->frameHeight;
}
}
/**
* Set the player location
*/
protected function set_player_loc() {
/*
* @todo - find out what the player_loc should be - this method is set by (nearly)
* every other video class, so why not in this one ?
*/
return;
}
/**
* Set the thumbnail location
*/
protected function set_thumbnail_loc() {
if ( isset( $this->decoded_response->videoStillURL ) && is_string( $this->decoded_response->videoStillURL ) && $this->decoded_response->videoStillURL !== '' ) {
$image = $this->make_image_local( $this->decoded_response->videoStillURL );
if ( is_string( $image ) && $image !== '' ) {
$this->vid['thumbnail_loc'] = $image;
}
}
elseif ( isset( $this->decoded_response->thumbnailURL ) && is_string( $this->decoded_response->thumbnailURL ) && $this->decoded_response->thumbnailURL !== '' ) {
$image = $this->make_image_local( $this->decoded_response->thumbnailURL );
if ( is_string( $image ) && $image !== '' ) {
$this->vid['thumbnail_loc'] = $image;
}
}
}
/**
* Set the video view count
*/
protected function set_view_count() {
if ( ! empty( $this->decoded_response->playsTotal ) ) {
$this->vid['view_count'] = $this->decoded_response->playsTotal;
}
}
/**
* Set the video width
*/
protected function set_width() {
if ( ! empty( $this->decoded_response->videoFullLength->frameWidth ) ) {
$this->vid['width'] = $this->decoded_response->videoFullLength->frameWidth;
}
}
} /* End of class */
} /* End of class-exists wrapper */