Download speed difference between flashhd1 and flashhd2

Stuart Henderson stu at spacehopper.org
Wed Jul 2 01:28:52 PDT 2014


On 2014/07/02 18:19, Nick Payne wrote:
> I notice a really marked difference in download speed between these two
> modes. I'm running get_iplayer 2.86 from the ppa jon-hedgerows/get-iplayer
> on Linux Mint 17, and I've noticed that if I specify --tvmode=best, then
> the download always first tries flashhd1 mode, and that chugs along at a
> few hundred kilobit/sec. However, if I force flashhd2 mode with
> --tvmode=flashhd2, the download runs many times faster - up to 12-14
> megabit/sec (the max line speed I get on a test to my ISP is around 16
> megabit). Why this vast difference in the download speed of the two modes?

These modes use different CDNs, the faster one probably has a PoP
close to your ISP.



More information about the get_iplayer mailing list