Tag Archives: FLV specs

SWF 10 Specs Available for Download

November 18, 2008 burakk

Wow, this was fast.

Emmy Huang announced the availability of updated SWF and FLV specs.

As for the action model of SWF 10, there were no changes from SWF 9. Considering that SWF 9 action model consisted of the DoABC tag which contained AS3/ABC data, this is hardly surprising. As far as I can see, the PDF that described ABC internals hasn’t been updated yet.

[Update note: Original link to Emmy's post was http://weblogs.macromedia.com/emmy/archives/2008/11/swf_10_spec_available_and_flash_player_alpha_for_64-bit_linux_on_labs.html]

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SWF 9 Specs released!

July 27, 2007 burakk

Emmy Huang announced the release of SWF version 9 specs, which includes FLV specs, yesterday.

Changes in the SWF specifications from version 8 are relatively minor compared to contents of the new AS3 actionscripts tag: DoABC. ABC (Actionscript ByteCode) format was made available earlier.

As with SWF 8 specs, you need to agree to the license terms, which mainly prohibits you make use of the information to write your own Flash/SWF player. Also the specs does not include information about AMF3 for FLV files.

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SWF (and FLV) 8 Specs Released

March 31, 2006 burakk

SWF version 8 specs, which includes FLV specs as usual,  were released earlier today.

FLV format is better documented this time and includes data packet format.

Most annoying part for me was Acrobat Reader 6 requirement, as I only have v5 and normally wouldn’t install bloated later versions. Good news is that Adobe has the download for v6.01 and doesn’t force you to download the latest version. Still for Windows it’s a 15.9MB (!) download, probably I’ll install it on a separate machine first to see what baggage it has.

We will be releasing updates to our software as soon as possible after revising them according to the newly released specs.

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