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Re: Converting the sample material provided by DECE to IMSC1

From: Nigel Megitt <nigel.megitt@bbc.co.uk>
Date: Thu, 18 Dec 2014 16:59:46 +0000
To: Pierre-Anthony Lemieux <pal@sandflow.com>, Thierry MICHEL <tmichel@w3.org>
CC: "public-tt@w3.org" <public-tt@w3.org>
Message-ID: <D0B8B79F.18504%nigel.megitt@bbc.co.uk>
On 18/12/2014 16:53, "Pierre-Anthony Lemieux" <pal@sandflow.com> wrote:

>Hi Thierry,
>
>My input below.
>
>> 1- How  will we make sure we cover, with a least one test, every
>>feature defined in IMSC1
>> (but not already present in TTML1).
>
>Below is my list of features defined in IMSC1 but not already present in
>TTML1:
>
>smpte:backgroundImage in
>http://www.smpte-ra.org/schemas/2052-1/2010/smpte-tt#image

>#multiRowAlign
>#linePadding
>#altText
>#forcedDisplay
>#aspectRatio
>#progressivelyDecodable

What about: 

performance/complexity i.e. that the implementation can process all
documents that are valid according to the HRM

reference fonts, i.e. That the implementation lays out the text for the
specified generic font family names according to the fonts listed in
Appendix A.



>
>Each test could simply list which of these features it includes, in
>the 'Notes' column -- probably best renamed 'Features'.
>
>> 5- I looked at some tests but I couldn't access all the material, I
>>guess.
>
>The PNG URIs should be fixed now.
>
>> 2- Do we have an estimate of how many tests would be needed (I think I
>>recall you had started to evaluate this.
>
>Does W3C have specific requirements on the number of tests? At least
>one per feature, as you mention below, right?
>
>Best,
>
>-- Pierre
>
>On Thu, Dec 18, 2014 at 12:18 AM, Thierry MICHEL <tmichel@w3.org> wrote:
>> Pierre,
>>
>> This first version of the implementation works great now. Thanks.
>>
>> I have a few issues about this testsuite and implementation Report that
>>we
>> should probably discuss later during a telecon:
>>
>> 1- How  will we make sure we cover, with a least one test, every feature
>> defined in IMSC1 (but not already present in TTML1).
>>
>> 2- Do we have an estimate of how many tests would be needed (I think I
>> recall you had started to evaluate this).
>>
>> 3- There is a "Notes" column that mention the type of Profile. Should we
>> have also another one mentioning the feature tested.
>>
>> 4- each test should probably also explain in prose what the
>>implementation
>> should display.
>>
>> 5- I looked at some tests but I couldn't access all the material, I
>>guess.
>>
>> For example
>>
>> - the implementation links to track100-frag0-sample1-subs0.ttml
>> 
>>https://dvcs.w3.org/hg/ttml/file/tip/ttml-ww-profiles/testsuite/dece/Sole

>>kai032_MaxNumSubtitleTracks_v7_subtitles/track100-frag0-sample1-subs0.ttm
>>l
>>
>> - the test suite links to the same test in another URI
>>
>> 
>>https://dvcs.w3.org/hg/ttml/file/a6cb53f5e8ce/ttml-ww-profiles/testsuite/

>>dece/Solekai032_MaxNumSubtitleTracks_v7_subtitles/track100-frag0-sample1-
>>subs0.ttml
>>
>> But I can't access the png resources like
>>"track100-frag0-sample1-subs1.png"
>> used in the above test [smpte:backgroundImage="1.png"/>]
>> 
>>https://dvcs.w3.org/hg/ttml/file/a6cb53f5e8ce/ttml-ww-profiles/testsuite/

>>dece/Solekai032_MaxNumSubtitleTracks_v7_subtitles/track100-frag0-sample1-
>>subs1.png
>>
>> Thanks for your work to lunch this test suite.
>>
>>
>> Thierry
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> On 18/12/2014 08:47, Pierre-Anthony Lemieux wrote:
>>>
>>> Hi Thierry,
>>>
>>> It should work now.
>>>
>>> Thanks,
>>>
>>> -- Pierre
>>>
>>> On Dec 17, 2014 11:33 PM, "Thierry MICHEL" <tmichel@w3.org
>>> <mailto:tmichel@w3.org>> wrote:
>>>
>>>     Pierre,
>>>
>>>
>>>     Thank you for converting this materiel provided by DECE.
>>>
>>>     I couldn't access to any tests linked from the
>>>Implementation_Report.
>>>     I may be missing something, as I am getting a "not found"  (see
>>>     attached screenshoot).
>>>
>>>     Thierry
>>>
>>>
>>>
>>>     On 18/12/2014 06:31, Pierre-Anthony Lemieux wrote:
>>>
>>>         Good morning/evening,
>>>
>>>         I have taken a first stab [1] at converting the sample material
>>>         provided by DECE to IMSC1 using the script at [2], and have
>>> updated
>>>         the implementation report template at [3]
>>>
>>>         [1]
>>>
>>> 
>>>https://dvcs.w3.org/hg/ttml/__file/tip/ttml-ww-profiles/__testsuite/dece

>>>
>>> <https://dvcs.w3.org/hg/ttml/file/tip/ttml-ww-profiles/testsuite/dece>
>>>         [2]
>>>
>>> 
>>>https://dvcs.w3.org/hg/ttml/__file/tip/ttml-ww-profiles/__testsuite/src/

>>>convert-cff.py
>>>
>>> 
>>><https://dvcs.w3.org/hg/ttml/file/tip/ttml-ww-profiles/testsuite/src/con

>>>vert-cff.py>
>>>         [3]
>>>         
>>>https://www.w3.org/wiki/__TimedText/IMSC1___Implementation_Report

>>> <https://www.w3.org/wiki/TimedText/IMSC1_Implementation_Report>
>>>
>>>         Looking forward to feedback.
>>>
>>>         Best,
>>>
>>>         -- Pierre
>>>
>>
>

Received on Thursday, 18 December 2014 17:00:21 UTC

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