Winter Olympics live stream recording

[Paul Phillips]

This is interesting, a blog that they've changed the platform for live
streaming.

http://www.bbc.co.uk/blogs/internet/posts/Building-BBC-Live


On 12 February 2014 18:55, Paul Phillips <paulphillipsdidsbury at gmail.com> wrote:
> Pleased to report the new HEAD successfully found the Snowboarding
> live stream this evening, and recorded the whole thing (2GB). I'll
> test it further tomorrow.
>
> On 12 February 2014 14:59, dinkypumpkin <dinkypumpkin at gmail.com> wrote:
>> On 11/02/2014 20:55, Paul Phillips wrote:
>>>
>>> I think the latest Git Head is picking up the live stream from the
>>> player page but something wierd is happening at the end when the
>>> stream finishes.  That's my hunch.  The player pages seem to have
>>> things feeding into them - eg the main channel sometimes feeds into
>>> them. It's as if they are channels in their own right with different
>>> feeds going into them
>>
>>
>> Seems plausible, but I've no real idea.  It still seems strange that a
>> static resource like one of the event guides would overwrite a live stream.
>> I don't understand how an output file would be overwritten at all unless
>> they're monkeying with the streams and rtmpdump gets confused.  It's
>> impossible to tell from the log what is going on.
>>
>> I've made another change to HEAD that refreshes the values of <dldate> and
>> <dltime> for each download attempt for a live stream.  Those two parameters
>> are in the default value of <fileprefix> for live streams, so the effect
>> would be to create a new output file every time rtmpdump croaks and
>> get_iplayer restarts the download. That should probably be in get_iplayer
>> anyway. I don't know if it will completely prevent files being overwritten
>> on your machine, but give it a try if you're feeling brave.
>>
>> Another approach would be to choose a single CDN and quality (e.g.,
>> --modes=flashhd1) and --retries=1 to prevent additional download attempts if
>> rtmpdump croaks.  But if it chokes in the middle of the event, that will be
>> the end of the recording.
>>
>> Anyway, I'm throwing in the towel on this.  I'll leave the changes in HEAD
>> until the Olympics are over, though.  As you said, you can still use the
>> "olympics" branch version of get_iplayer with playlist URLs picked out of
>> Firefox web console or similar.  For anyone keeping score, that means you
>> can fall back to the earlier instructions here:
>>
>> http://www.mail-archive.com/get_iplayer@lists.infradead.org/msg05225.html
>>
>>
>>
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>
>
>
> --
> Paul Phillips



-- 
Paul Phillips