From: "Robert Kjettrup" Received: from mail-lb0-f178.google.com ([209.85.217.178] verified) by media-motion.tv (CommuniGate Pro SMTP 4.2.10) with ESMTP-TLS id 5565174 for AE-List@media-motion.tv; Fri, 05 Sep 2014 12:36:21 +0200 Received: by mail-lb0-f178.google.com with SMTP id v6so13164709lbi.37 for ; Fri, 05 Sep 2014 03:36:22 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:content-type; bh=6gKYcp27evvIArnnKlAoqxQIAriTXJ16eTwy8djVnkk=; b=cFvvkAkwkYUk3AtR5xGsDGRNdUUvEKDs2EemH10V/JACrrqk35jHs23f8IFn0a9ZMO POXETM4giS9C6P3cyuqZC5Ia8K6gc3GV4nspIFeS0gCrJqLsyrL1uk2O45HiquiaMDNg /GQ2E1UK2KaH+iKejoRaD4H/GysXzkDTesLqMzTDULerjBLKUkJa89++qVVExO4BKz4E iOxSYKr0UJXjwxXIwzmqeLgQJqjnOXEbhqRVZmeVHyRds0avRPzxYF9t2cDB8vvn62rm C/6phvDq99K8dYXRli4jx036A18No/JWGZaJY92BN5IPqVSa+LXitSnsvtghbtbhu2ay z3/A== X-Gm-Message-State: ALoCoQn6RNhrwkh8d5e4C7jHOvncm4LMgmTxM5k9Tn2rIwGsOuwk5lRrAhEbobA+K1aY5npRu9Gm X-Received: by 10.152.2.100 with SMTP id 4mr8640886lat.48.1409913382407; Fri, 05 Sep 2014 03:36:22 -0700 (PDT) MIME-Version: 1.0 Received: by 10.25.208.135 with HTTP; Fri, 5 Sep 2014 03:36:02 -0700 (PDT) In-Reply-To: References: Date: Fri, 5 Sep 2014 12:36:02 +0200 Message-ID: Subject: Re: [AE] Compression issues article To: After Effects Mail List Content-Type: multipart/alternative; boundary=089e013c65c2529f7c05024f0a32 --089e013c65c2529f7c05024f0a32 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable i wouldn't think a 4:2:0 to 4:2:2 would need a colorconversion if it stayed in YUV (or more correctly lide david says Y=E2=80=99CbCr), just a simple up= scale of the lower ret channel. But then as a regular user you rarely knows whats goes on in the code. Didnt think of the 601 and 709 issue, so lots of places to go wrong. and interesting about ProRes444 can either be Y=E2=80=99CbCr or RGB, but a = bit bad that you cant really decide yourself on what to use. What about the new flavour of ProRes, the XQ version? is that just a higher bitrate of ProRes444? And that DNxHD444 is RGB i just have from the list in AME, it doesnt say that in the Avid QT plugin. So i just take Adobes word that its RGB :-) Robert 2014-09-04 19:54 GMT+02:00 David Baud : > I believe ProRes 4444 can carry either Y=E2=80=99CbCr or RGB. The problem= seems > that there is no flag to indicate one way or the other. So when a softwar= e > try to decode it, it has to guess. It=E2=80=99s been discussed on other f= orums > using DaVinci Resolve to master to ProRes 4444 and being able to move the= se > files to other software with predictable output. The solution seems to te= st > your particular workflow (original, intermediate and master codecs/wrappe= rs > with the different software/hardware in the pipeline). > > David Baud > K O S M O S P R O D U C T i O N S > david@kosmos-productions.com > www.kosmos-productions.com > > On Sep 4, 2014, at 11:35 , Robert Kjettrup > wrote: > > I think DNxHD444 is RGB, but ProRes444 is still YUV??? > > > --089e013c65c2529f7c05024f0a32 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
i wouldn't think a 4:2:0 to 4:2:2 would need a colorco= nversion if it stayed in YUV (or more correctly lide david says=C2=A0Y=E2=80=99CbCr), just= a simple upscale of the lower ret channel. But then as a regular user you = rarely knows whats goes on in the code.

Didnt think of the 601 and 709 i= ssue, so lots of places to go wrong.

and interesting about ProRes4= 44 can either be Y=E2=80=99CbCr or RGB, but a bit bad that you cant really decide y= ourself on what to use.
What about the new flavour of ProRes, the XQ vers= ion? is that just a higher bitrate of ProRes444?

And that DNxHD444= is RGB i just have from the list in AME, it doesnt say that in the Avid QT= plugin. So i just take Adobes word that its RGB :-)


Robert=C2=A0

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2014-09-04 19:54 GMT+02:00 David Baud <AE-List@media-motion.tv>:

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