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Date:      Thu, 22 Nov 2007 19:21:14 +0530
From:      Girish Venkatachalam <girishvenkatachalam@gmail.com>
To:        freebsd-questions@freebsd.org, questions@freebsd.org
Subject:   Re: efficient terminal/console screencasting
Message-ID:  <20071122135114.GB32640@saraswathy.susmita.org>
In-Reply-To: <20071122084448.GB66812@amilo.cenkes.org>
References:  <20071121182639.GA66812@amilo.cenkes.org> <1d3ed48c0711211529t2244d2b5y8e256907426cff50@mail.gmail.com> <20071122084448.GB66812@amilo.cenkes.org>

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On 11:44:49 Nov 22, Andrew Pantyukhin wrote:
> There are basically two ways the subtitles are encoded: bitmap
> and text. Both will require a full screen dump on every update.
> Neither allow for colors (there are html hacks though). AFAIK,
> there's no way to store activity in form of updates in subtitles.
> 

Subtitles can be hard coded into the video with mencoder. The command
line is straight forward.

$ mencoder video.avi -sub subtitles.srt -o videosubtitles.avi -ovc lavc
-oac copy

> Moreover, even in case of bitmaps, subtitles are still utterly
> unstandardized. Their look is very player-dependent.
> 

Not a problem if you hard code them.

> But the idea is cool, thanks! I might perform a few benchmarks
> with mplayer when I have time.

But your basic problem remains unsolved. mencoder can build a video from
frames and you can mux the audio with mplex or some such thing.

All this means a bit of effort.

regards,
Girish



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