Re: Encodings Editor

Subject: Re: Encodings Editor

From: King Chung Huang <email@hidden>

Date: Fri, 01 Feb 2008 09:02:26 -0700

Delivered-to: email@hidden

Hi Julien,

The tool will open existing encoding files. But, as you've found, some of the components don't have user-configuration options.

The components in the list are equal to the ones found when you export a movie using QuickTime Player. Apple made specific QuickTime export components for iPod, AppleTV, iPhone, etc. that are essentially wrappers around the MPEG-4 component with specific settings. You'll find that if you select those exporters from within QuickTime Player, they'll also lack further options and provide no details on what the exact settings are.

For those device specific components, the closest documentation there probably is are the technical specifications of the devices in question. for the iPod component, the settings most likely are:

Video: H.264 Baseline Profile, Low Complexity, 1.5 Mbps, 640 x 480, 30 fps

Audio: AAC-LC, 128 Kbps, stereo

Hope that helps,

King Chung Huang

Information Technologies

University of Calgary

On 1-Feb-08, at 1:58 AM, Julien Cros wrote:

Hi,

Very, very nice work! Thanks a lot for doing this tool, it will be very useful.
Anyway, i do have a question about editing encoders: is it possible with your tool to view settings for existing encodings like "ipod", "appletv"..? In order to have a look to what is done on videos with those...I tried but no additional window appears when i select "ipod" for example..I've that you told that some don't have settings dialog, is it that there is nothing to edit..?

Thanks again, ju
Julien Cros
Mission TICE - Université de la Méditerranée
04.91.39.66.70
 
King Chung Huang a écrit :
Based on a thread on the Apple Discussions group for Podcast Producer (Encoding Settings Changes), I've written a bare bones utility for making/editing encoding files.

http://www.maclearning.org/2008/02/PCP_Encoding_Editor_0_1.zip

The code is far from brilliant, and requires you to push the Options... button and OK the resulting settings dialog for changes to take effect. Some export components don't have a settings dialog, which is OK.

Encoding files must be named encode_(some encoding name).plist. See /System/Library/Encodings/ for examples.

Running pcastaction encode locally seems like a good way to test encode settings. See pcastaction help encode for more info.

King Chung Huang

Information Technologies

University of Calgary
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References:

>Re: Encodings Editor (From: Julien Cros <email@hidden>)