Return-Path: Received: from [72.52.194.27] (HELO diamond.tritoncore.com) by media-motion.tv (CommuniGate Pro SMTP 4.2.10) with ESMTP-TLS id 5101779 for AE-List@media-motion.tv; Tue, 11 Jun 2013 05:50:50 +0200 Received: from 70-36-142-105.dsl.dynamic.sonic.net ([70.36.142.105]:36517 helo=[10.0.1.40]) by diamond.tritoncore.com with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.80) (envelope-from ) id 1UmFl8-0003qU-Sr for AE-List@media-motion.tv; Tue, 11 Jun 2013 00:00:39 -0400 From: patrick Siemer Mime-Version: 1.0 (Apple Message framework v1085) Content-Type: multipart/alternative; boundary=Apple-Mail-11--373475754 Subject: Re: [AE] [OT]: Video player to that shows alpha channels? Date: Mon, 10 Jun 2013 21:00:31 -0700 In-Reply-To: To: "After Effects Mail List" References: Message-Id: <393CBA22-D328-46D1-9762-C88E3F477C38@gmail.com> X-Mailer: Apple Mail (2.1085) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - diamond.tritoncore.com X-AntiAbuse: Original Domain - media-motion.tv X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - gmail.com X-Get-Message-Sender-Via: diamond.tritoncore.com: authenticated_id: patrick@tapeandglue.com X-Source: X-Source-Args: X-Source-Dir: --Apple-Mail-11--373475754 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii I am not aware of any simple video player that allows you to check for = an alpha channel easily, but if you use the CoverFlow option in any mac = window, you will see that any movie with an alpha has a transparent background as you flip = through the files. I use that feature to check for alphas all the time. = Just a maybe useful tool. good luck. patrick siemer tapeandglue.com On Jun 10, 2013, at 8:35 PM, scott.aelist wrote: > I know how to render with an alpha. It's just sometimes the list of = deliverables gets really long and inevitably i forget to render with an = alpha, or perhaps I have a white or black solid at the bottom of my comp = that i forgot about. It's easy to review files for deliver visually, but = not for alpha channels. Even if the file info says there's an alpha, = that doesn't mean it has rendered correctly. Perhaps I should get into = the habit of using a bright blue BG comp color so that it will show up, >=20 > On Mon, Jun 10, 2013 at 8:28 PM, Glen Tubbesing = wrote: > Actually, I think I should have asked what codec you are using. I know = when I've tried to export something with an alpha channel, I have to be = careful which codec I use. I don't have access to a Mac, so I don't know = if Prores lets you put in an alpha channel. Just make sure that your = color depth is millions+ and you should have the alpha. But, to tell you = the truth, Scott, I've never seen a video player that gives the = checkerboard pattern for alpha. Usually, it's just a black screen. >=20 > On Jun 10, 2013 8:08 PM, "scott.aelist" = wrote: > QT animation and Prores... I was hoping there'd be some player that = would give you maybe an alpha toggle button or something like = photoshop's checkerboard view to indicate alpha...=20 >=20 > On Mon, Jun 10, 2013 at 7:57 PM, Glen Tubbesing = wrote: > What file format are you using? Some don't have alpha channels = available. >=20 >=20 --Apple-Mail-11--373475754 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii I am = not aware of any simple video player that allows you to check  for = an alpha channel easily, but if you use the CoverFlow option in any mac = window, you will see
 that any movie with an alpha has a = transparent background as you flip through the files. I use that feature = to check for alphas all the time.  Just a maybe useful = tool.
good luck.

patrick = siemer

On Jun 10, 2013, at 8:35 PM, scott.aelist wrote:

I know how = to render with an alpha. It's just sometimes the list of deliverables = gets really long and inevitably i forget to render with an alpha, or = perhaps I have a white or black solid at the bottom of my comp that i = forgot about. It's easy to review files for deliver visually, but not = for alpha channels. Even if the file info says there's an alpha, that = doesn't mean it has rendered correctly. Perhaps I should get into the = habit of using a bright blue BG comp color so that it will show up,

On Mon, Jun 10, 2013 at 8:28 PM, Glen = Tubbesing <gtubbesing@gmail.com> = wrote:

Actually,= I think I should have asked what codec you are using. I know when I've = tried to export something with an alpha channel, I have to be careful = which codec I use. I don't have access to a Mac, so I don't know if = Prores lets you put in an alpha channel. Just make sure that your color = depth is millions+ and you should have the alpha. But, to tell you the = truth, Scott, I've never seen a video player that gives the checkerboard = pattern for alpha. Usually, it's just a black screen.

On Jun 10, 2013 8:08 PM, "scott.aelist" = <scott.aelist@gmail.com> wrote:
QT animation and Prores... I was hoping there'd be some player that = would give you maybe an alpha toggle button or something like = photoshop's checkerboard view to indicate alpha... 

On Mon, Jun 10, 2013 at 7:57 PM, Glen Tubbesing <gtubbesing@gmail.com> = wrote:

What = file format are you using? Some don't have alpha channels = available.



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