Radio Thumbnails

Shevek shevek at shevek.co.uk
Mon Oct 1 12:23:46 EDT 2012


On 1 October 2012 13:51, Jon Davies <jon at hedgerows.org.uk> wrote:
> On 1 October 2012 10:39, Shevek <shevek at shevek.co.uk> wrote:
>> I have found that you can request any size that follows the correct
>> aspect ratio and the BBC img server serves up the image at that size
> [...]
>> but you can also get the following from a browser
>> http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_400_225.jpg
>
> I think you may have hit upon a size that's supported - I've tried
> various other sizes with the correct aspect ratio, and they don't
> work.  (600x337 (and since the maths isn't exact I tried 600x338);
> 500x281; 300x169; 300x168)
>

I knocked up a quick C# app to loop through all widths up to 1280,
calculating the height as Math.Floor(w / 16 * 9) and then checking
with a HttpWebRequest for a 200 Status response.

This is the list of all valid sizes for Doctor Who:

http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_66_37.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_86_48.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_89_50.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_102_57.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_112_63.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_128_72.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_150_84.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_172_96.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_178_100.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_196_110.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_203_114.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_234_131.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_246_138.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_288_162.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_303_170.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_314_176.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_400_225.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_406_228.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_477_268.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_512_288.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_528_297.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_640_360.jpg
http://node1.bbcimg.co.uk/iplayer/images/episode/b01n70f3_832_468.jpg



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