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List:       helix-datatype-dev
Subject:    [datatype-dev] RE: [Nokia-private-dev] CR: ELDG-7YQTQQ Dolby
From:       <Gang.Jia () nokia ! com>
Date:       2009-12-15 22:05:45
Message-ID: 6F45DEE63C5BB542B6A7B0C4E41467D0152834508F () NOK-EUMSG-03 ! mgdnok ! nokia ! com
[Download RAW message or body]

Thanks Eric! Checked in to 210Cays and Head.

/Gang 

-----Original Message-----
From: ext Eric Hyche [mailto:ehyche@real.com] 
Sent: Tuesday, December 15, 2009 2:11 PM
To: Jia Gang (Nokia-D/Dallas)
Cc: datatype-dev@helixcommunity.org; nokia-private-dev@helixcommunity.org
Subject: Re: [Nokia-private-dev] CR: ELDG-7YQTQQ Dolby Digital AC3 Helix can not play \
MKV with multiple frames per block.

Looks good.

On Dec 15, 2009, at 11:49 AM, <Gang.Jia@nokia.com> <Gang.Jia@nokia.com> wrote:

> "Nokia submits this code under the terms of a commercial contribution agreement \
> with RealNetworks, and I am authorized to contribute this code under said \
> agreement." 
> Modified by:  Gang.Jia@nokia.com
> 
> Reviewed by:
> 
> Date: 12/14/2009
> 
> Project: SymbianMmf_wm
> 
> ErrorId:  ELDG-7YQTQQ
> 
> Synopsis: CR ELDG-7YQTQQ  Dolby Digital AC3 Helix can not play MKV with multiple \
> frames per block. 
> In MKV file format one audio block may contain multiple Dolby Digital audio frames. \
> This will cause the audio buffer payload size larger than the audio device buffer \
> size. Helix drops these frames in frame mode. The fix is to add DD frame parsing at \
> HXMDFAudioFormat to get each DD audio frame to send to the MDF audio device. 
> 
> Root Cause of the problem:  Implementation.
> 
> Files Added:
> none
> 
> Files Modified:
> /datatype/mdf/audio/dsp/mdfaudfmt.cpp
> /datatype/mdf/audio/dsp/mdfaudfmt.h
> 
> 
> Image Size and Heap Use impact:
> minor
> 
> Module Release testing (STIF) :  Passed local test cases.
> 
> Test case(s) Added  :  No.
> 
> Memory leak check performed : Yes. No new leaks introduced
> 
> Platforms and Profiles Build Verified: helix-client-s60-52-mmf-mdf-dsp
> 
> Platforms and Profiles Functionality verified: armv5
> 
> Branch: 210CayS,420Brizo,Head
> 
> 
> <diff.txt><ATT00001..txt>

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



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