how to get thumbnail url with Dailymotion api just after a video is uploaded - dailymotion-api

Question

I am trying to retrieve “thumbnail_url” with using API after I just uploaded a video.
However, “thumbnail_url” I retrieved is always this URL “Hhttp://s2.dmcdn.net/KtV-L.jpg” or “Hhttp://s2.dmcdn.net/KtV-L/x240-gK0.jpg” (when I used oEmbed API).
On the other hand, I am able to get “thumbnail_url”that I wanted when I put the URL into the address bar in the browser manually like following URL.
Hhttps://api.dailymotion.com/video/VIDEOID?fields=thumbnail_url
My question is;
Is there time lag or does Dailymotion API need more time to generate a thumbnail image just after a video is uploaded?
Or, is the way to retrieve the thumbnail url I coded wrong?
Here is the code to get thumbnail image url.
*As a prerequisite, I already got access token, created a video and published.
/////////////// Publish a video ///////////////
$publishVideoAPI = "https://api.dailymotion.com/video/".$responseID;
// Post data
$dataPublish = array(
"title" => $videotitle,
"published" => true,
"channel" => "shortfilms",
"tags" => $tags,
"access_token" => $accesstoken
);
$conn = curl_init();
// Post method
curl_setopt($conn, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($conn, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($conn, CURLOPT_RETURNTRANSFER, true);
curl_setopt($conn, CURLOPT_URL, $publishVideoAPI);
curl_setopt($conn, CURLOPT_POST, true);
curl_setopt($conn, CURLOPT_POSTFIELDS, $dataPublish);
// execute
$resPublish = curl_exec($conn);
echo "publish video<br />";
var_dump($resPublish);
// close
curl_close($conn);
/////////////// Grab a thumbnail image of the video start ///////////////
// API
$thumbnail = "https://api.dailymotion.com/video/".$responseID."?fields=thumbnail_url";
// initialise session
$conn = curl_init();
// Get method
curl_setopt($conn, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($conn, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($conn, CURLOPT_RETURNTRANSFER, true);
curl_setopt($conn, CURLOPT_HEADER, false);
curl_setopt($conn, CURLOPT_URL, $thumbnail);
// execute
$res2 = curl_exec($conn);
echo "thumbnail url<br />";
//var_dump($res2);
echo "<br /><br />";
// close
curl_close($conn);
$thumbnailData = json_decode( $res2 , true );
$thumbnailURL = $thumbnailData["thumbnail_url"];
echo $thumbnailURL;

Answer 1

I have all ready execute this code
GET Method this url : https://api.dailymotion.com/video/'+videoID+'?fields=id,thumbnail_url,thumbnail_120_url
Than find response :
{"id":"x2qwonn","thumbnail_url":"http://s2.dmcdn.net/Kra86.jpg","thumbnail_120_url":"http://s2.dmcdn.net/Kra86/x120-aNB.jpg"}
response = {"id":"x2qwonn","thumbnail_url":"http://s2.dmcdn.net/Kra86.jpg","thumbnail_120_url":"http://s2.dmcdn.net/Kra86/x120-aNB.jpg"}
thumbnail = response['thumbnail_120_url'].replace("\","")
get result
http://s2.dmcdn.net/Kra86/x120-aNB.jpg

Answer 2

Thank you for your response.
I figured this out and now uploaded the thumbnail image properly.
As you tested, this code was right.
The reason that the image I uploaded was always same image provided by Dailymotion was that the video status was "processing".
So I put the loop to check the status with 10 seconds interval, and only when the status turned to "published", try to grab the thumbnail image.