@Vinny P, thanks a lot for the really valuable answer and @Jeff thanks a 
lot for the insight

I read this file which mislead me into believing GCS was not supported: 
https://app.zencoder.com/docs/faq/transfer - if that's not the case - great 
:)

Range requests would also be an interesting but challenging solution if GCS 
was not supported

I wish there was a "videos" library, similar to "images" that would ease 
video operations :) 

On Monday, August 19, 2013 8:38:16 AM UTC+3, Vinny P wrote:
>
> On Sun, Aug 18, 2013 at 1:05 PM, Kaan Soral <[email protected]<javascript:>
> > wrote:
>
>> This issue has been on my mind, let's say a user uploads an 2gb .mov 
>> file, and let's say one decides to use a service like zencoder
>> The upload to external service and the download from external service 
>> both sound challenging
>>
>  
>  
> For Zencoder specifically, you don't need to worry about uploading and 
> downloading from that service. Zencoder starts by downloading the file you 
> specify ( https://app.zencoder.com/docs/api/jobs/create ), so you can 
> specify a url from Cloud Storage, the Blobstore, or a custom URL handler 
> (i.e. to a servlet, script, etc). 
>  
> Zencoder will then upload the completed processed file to a cloud service 
> you specify ( 
> https://app.zencoder.com/docs/api/encoding/general-output-settings/url notice 
> that GCS is a supported service in the list).
>  
>  
> On Sun, Aug 18, 2013 at 1:05 PM, Kaan Soral <[email protected]<javascript:>
> > wrote:
>
>> Generally it's easy to upload a file to AppEngine, and download a file 
>> from AppEngine, thanks to Blobstore upload/download handlers, however as 
>> far as I know, there aren't any helpers that will do the reverse, upload 
>> file from AppEngine, and download file to AppEngine from an URL
>>
>>  
>  
> If you want to discuss upload/download in general (not using Zencoder), 
> then you have a few options. For downloading specifically, there is a 
> "Range" HTTP header you can provide. Basically you can download a single 
> file in multiple separate HTTP requests, and in each request declare a 
> separate byte range to download (for a quick primer, see 
> http://benramsey.com/blog/2008/05/206-partial-content-and-range-requests/
>  ).
>   
> For uploading, you can upload a file in chunks to most HTTP-compliant 
> services (Apache, nginx, and most other popular servers have built-in 
> support for this). 
>  
> As a side note, this question is better handled on a case-by-case, 
> service-dependent issue. There are several different ways to solve this 
> problem, I'm only enumerating one option as an example.
>  
>  
>  
> -----------------
> -Vinny P
> Technology & Media Advisor
> Chicago, IL
>
> App Engine Code Samples: http://www.learntogoogleit.com
>   
>  
>
>
>

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