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  1. #1
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    Missing first few seconds of sequential streams

    While waiting to see if RadioTime would support my request for On Demand being usable by SlimServer
    ( http://forums.slimdevices.com/showthread.php?t=36829 )
    I decided to put one for Car Talk into WikiRadio.
    However, this then highlights a problem.
    The link is to a .smil file that contains a number of segments of the show. When played on a PC using whatever it defaulted to (can't remember what it was) ... it worked fine. However, when playing it back through SlimServer (and I guess mplayer) it loses the first few seconds of each segment.
    My guess is that people tend not to notice this when playing a regular internet stream because once it starts it just keeps running. But when a show is in segments and tend to follow a defined pattern (a new caller starts a new segment and almost always introduce themselves ... and you miss it via Slimserver) then it is more obvious.

    (running 6.5.3 from release day)

    I haven't yet checked to see if this is a known problem - but I will search now. I thought that you might like to know that Car Talk is now available on WikiRadio first (they changed their URL syntax a while ago - so that it no longer changes from week to week so is now much more maintainable - i.e. doesn't need to be edited once a week).
    Paul Webster
    http://dabdig.blogspot.com
    Author of "Now Playing" plugins covering Radio France (FIP etc), KCRW, Supla Finland, ABC Australia, CBC/Radio-Canada and RTE Ireland

  2. #2
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    mplayer chops off a number of seconds at the end of a RealAudio file/segment - I never noticed the beginning. There are also start and end time values which may be causing an issue - the SMIL file needs to be exmained to see if this is the reason.

    What version of mplayer are you using ?

  3. #3
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    There are no offsets in this .smil file.
    However, mplayer looks quite old (I had - erroneously I suspect) thought that the 6.5.3 upgrade would have brought in the latest version - but I suspect that it is not included in the standard distribution ... I'll check later) - anyway it is
    1.0pre8-3.4.2 from 2006

    I'll get a more recent one and see if it changes things.
    Paul Webster
    http://dabdig.blogspot.com
    Author of "Now Playing" plugins covering Radio France (FIP etc), KCRW, Supla Finland, ABC Australia, CBC/Radio-Canada and RTE Ireland

  4. #4
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    ... later ...
    the version I was running is the one that AlienBBC provides - but I did find that there is a more recent version over on mplayerhq - so I am now running 1.0rc1-3.4.2 and am hitting the same problem.

    I guess this means that I have to report it to mplayer itself - but could someone else confirm the problem first?

    From Squeezebox (with AlienBBC/mplayer installed)
    Internet Radio/Wiki Radio/Car Talk/Car Talk <play>
    at the end of segment one you should hear the next caller introduce themselves ... I do from PC ... but not from Squeezebox.
    Paul Webster
    http://dabdig.blogspot.com
    Author of "Now Playing" plugins covering Radio France (FIP etc), KCRW, Supla Finland, ABC Australia, CBC/Radio-Canada and RTE Ireland

  5. #5
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    Can someone else try this and report back?
    Paul Webster
    http://dabdig.blogspot.com
    Author of "Now Playing" plugins covering Radio France (FIP etc), KCRW, Supla Finland, ABC Australia, CBC/Radio-Canada and RTE Ireland

  6. #6
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    I'm still trying to find out the difference - at the start I think there may be 1 or 2 secs ?

    As an alterntaive have you tried thre podcast by putting this into the Podcast Plugin
    http://www.npr.org/rss/podcast.php?id=510208

  7. #7
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    Quote Originally Posted by bpa View Post
    I'm still trying to find out the difference - at the start I think there may be 1 or 2 secs ?

    As an alterntaive have you tried thre podcast by putting this into the Podcast Plugin
    http://www.npr.org/rss/podcast.php?id=510208
    The podcast is just the call of the week (in general anyway) - hence it is just one segment - so does not have the same problem - hence me adding the full current show link to Wiki Radio.

    The comparison takes about 20 minutes - 10 minutes from wiki radio (i.e. to cover 2 segments| - and then take the same URL in wiki radio and drop it into a regular PC player.

    In general - each call is a new segment ... so when you hear it on the Squeezebox you will probably not get the caller name/location and possibly the start of the question.
    Last edited by Paul Webster; 2007-07-22 at 02:05.
    Paul Webster
    http://dabdig.blogspot.com
    Author of "Now Playing" plugins covering Radio France (FIP etc), KCRW, Supla Finland, ABC Australia, CBC/Radio-Canada and RTE Ireland

  8. #8
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    The podcast is timed at 54 mins - how long is the full show ?

  9. #9
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    My apologies - I didn't check it but relied on memory.
    Am doing so now.
    Paul Webster
    http://dabdig.blogspot.com
    Author of "Now Playing" plugins covering Radio France (FIP etc), KCRW, Supla Finland, ABC Australia, CBC/Radio-Canada and RTE Ireland

  10. #10
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    OK - podcast is fine. However, it is a single MP3 file of the whole show - so the joins are seamless.

    I was using the Car Talk .smil as an example of a problem with SlimServer/mplayer - and although an effective alternate approach exists for Car Talk - the real underlying problem is still there (at least when I listen).
    Paul Webster
    http://dabdig.blogspot.com
    Author of "Now Playing" plugins covering Radio France (FIP etc), KCRW, Supla Finland, ABC Australia, CBC/Radio-Canada and RTE Ireland

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