*Καλησπέρα! *Thank you, my dear friend, for a superb answer, as ever.
It's funny how things change over time. When I was at Uni in 1967-70
studying for my Electronic Engineering degree, I was into details
(understanding exactly what is happening) - now, with a few exceptions,
I've become a "black box" man, meaning I'm not usually that interested
as to the detail of what goes on inside the "black box" (whatever that
may be), more how to use it. A sign of the ever increasingly complex
world we live in, I guess. There's a limit the amount of "black box"
work my mind can take (learning Linux, photo and video editing, learning
Tagalog are the new projects).
Coming back on topic, it's a real pity about the present hassles with
the HLS route, about half my downloads are producing errors here meaning
a tedious subsequent slower download using Flash to download
"glitch-free" files. I don't really want to get into HVF if I can help it!
The thought behind my original question was whether we had a route to
complain to the BBC about the glitches in HLS, i.e. if there is a
problem using BBC iPlayer then we could legitimately complain. Looks
like we don't, LOL. :-(
Best wishes
Alan
On 09/08/16 11:57, Vangelis forthnet wrote:
On Tue Aug 9 10:50:50 BST 2016, Alan Milewczyk wrote:
I rarely use BBC iPlayer but do we know if that has the sync problems
we've been experiencing on GiP downloads?
Not applicable, am afraid - BBC iPlayer on a desktop browser uses by
default AdobeHDS streams, if Flash installed; if flash is absent and
permitting the OS/browser employed, it may fall to MPEG-DASH streams
(require HTML5 support in the browser and native h.264/aac decoders in
the browser/OS).
The hlshd tvmode that GiP uses and has been at fault lately is
originally destined for IPTV sets (Smart TVs/BluRays etc.), but it's
not the only option for those - hvf streams are available, too.
Lower quality hls modes are targetting ipads and the like, again not
the unique option on those - so from a practical standpoint it could
be difficult to do your proposed check.
the sync problems
As you can read at:
https://squarepenguin.co.uk/forums/thread-973-post-4415.html#pid4415
those are just another manifestation of the initial problem, which is
that the original AppleHLS stream has missing segments - as mentioned
by dinky, --raw will get you MPEG-TS files where A/V is in sync, but
with portions of the programme missing...
Regards, Vangelis.
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