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List:       helix-datatype-dev
Subject:    RE: [datatype-dev] Re: [Porting-android] CR: Fix for Bug 9812:
From:       <Ashish.As.Gupta () nokia ! com>
Date:       2009-12-21 20:32:08
Message-ID: 218D7B58E1EF544A8DF24C14758BE77028B86BB546 () NOK-EUMSG-02 ! mgdnok ! nokia ! com
[Download RAW message or body]

Hi Gurpreet,

Could you please checkin the fix to 210Cays and 420Brizo as well. 

BR
Ashish

-----Original Message-----
From: datatype-dev-bounces@helixcommunity.org \
                [mailto:datatype-dev-bounces@helixcommunity.org] On Behalf Of ext \
                Eric Hyche
Sent: Monday, December 21, 2009 10:50 AM
To: Gurpreet
Cc: porting-android@helixcommunity.org; datatype-dev@lists.helixcommunity.org
Subject: [datatype-dev] Re: [Porting-android] CR: Fix for Bug 9812: Particular mp4 \
file does not play smoothly

Looks good.

On Dec 21, 2009, at 10:09 AM, Gurpreet wrote:

> Synopsis:
> Fix for Bug 9812: Particular mp4 file does not play smoothly
> 
> Overview:
> Issue Reported:
> we lose first 2 sec when playback is started
> 
> The clip have elst atom with edit entry starting from 125 ms.
> So for playing the first track File-format tries to find key frame 
> nearest to this time.
> The first frame is key frame with duration 125 ms.
> Currently this one is skipped as its not less then 125, the second key 
> frame is at 25 position. Whose time is around 3 secs there fore we 
> loose first few seconds of video.
> 
> With current fix we don't skip the key frame if the time we are 
> looking for is less then or equal to the duration of that key frame.
> 
> Files Modified:
> datatype/mp4/fileformat/qtatmmgs.cpp
> 
> Image Size and Heap Use impact (Client -Only):
> None
> 
> Platforms and Profiles Build Verified:
> BIF branch            -> atlas 310, brizo  401, head
> Target(s)               -> android_all
> Profile                   -> helix-client-android-surf_8x50
> SYSTEM_ID       -> android-donut-arm.eabi
> 
> Files Attached::
> mp4ff.diff
> 
> Thanks & Best Regards,
> Gurpreet
> <mp4ff.diff><ATT00001..txt>

Eric Hyche (ehyche@real.com)
Principal Engineer
RealNetworks, Inc.



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