Rockbox mail archiveSubject: Re: video with audio, sneak preview
Re: video with audio, sneak preview
From: Rune Wiinberg <colourless_at_stud.ku.dk>
Date: Thu, 5 Feb 2004 22:18:43 +0100
Wow - Sync is flawless.
Very good job. :-)
----- Original Message -----
From: "[IDC]Dragon" <idc-dragon_at_gmx.de>
Sent: Thursday, February 05, 2004 1:32 PM
Subject: video with audio, sneak preview
> Hi folks,
> I'm approaching the finish line with my video+audio playback plugin. It
> a lot of work, way more than last time, where I was just pumping data to
> display as fast as possible.
> The new plugin is not in cvs yet because it still lacks a feature which
> old one had, namely seeking (FF/FR). Tell me if you still want it instead.
> The new one can only play from the start, pause and stop. But it has some
> - audio (obviously), including volume control on up/down button
> - display update done in dedicated timer interrupt, very steady
> - the backlight stays on
> - prefetching in mp3 buffer allows to power down the disk (8MB helps a
> else it spins up quite frequently, video has ~480kbit/s, audio goes ontop)
> I have a to-be-released command line tool, which multiplexes a "classical"
> .rvf file together with a .mp3 (or .mp2) file into a new, interleaved .rvf
> file format. So it's an additional step to add audio.
> You can try the A/V player with the files from here:
> The plugin there requires today's daily build. Exchange the standard
> "video.rock" plugin with one from above, either for standard 2 MB or 8 if
> upgraded. Rename the new one to video.rock again.
> There are 2 video clips: the famous Doom3 trailer now with sound (original
> material is mono, with some distortion, boo), and a futurama episode, with
> apologies to Fox TV. The latter is quite large, I suggest you try Doom
> let's not do a DDoS on haxx.se. ;)
> Video is encoded with 67 fps, so you get best visual results if your LCD
> close to that, see my fps test tool and survey.
> Anybody challenged to write a user-friendly AVI/MPEG/DVD to rvf converter?
> Have fun,
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Received on 2004-02-05