From: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH 0/7] add Phonon support to qtopia4
Date: Tue, 9 Dec 2008 14:58:39 +0100 [thread overview]
Message-ID: <20081209145839.3beed983@hcegtvedt> (raw)
In-Reply-To: <d6cda7730812090534s48450a29v37fb0a84b487aa47@mail.gmail.com>
On Tue, 9 Dec 2008 11:34:28 -0200
"Thiago A. Corr?a" <thiago.correa@gmail.com> wrote:
> >> > The reason playback is so slow is that you are probably not using
> >> > the pixel coprocessor (PICO) to do the work. That was why getting
> >> > gst-ffmpeg (libavcodec) with the AVR32 patches to work would be
> >> > very nice.
> >>
> >> This optimization with using the PICO should also be possible for
> >> Qt output, independent of video playback, shouldn't it?
> >
> > No, you will have to write optimized assembly to take advantage of
> > the PICO. Qt does not use the PICO by default, not even DSP or SIMD
> > instructions.
>
> Isn't DirectFB optimized? Qt has a DirectFB output plugin since 4.4 if
> I'm not mistaken. It as a labs feature (labs.trolltech.com) that got
> integrated into mainline. I guess it's not enabled in buildroot builds
> yet though.
>
AFAIK DirectFB does not take advantage of any AVR32 instructions or
PICO.
--
Best regards,
Hans-Christian Egtvedt
prev parent reply other threads:[~2008-12-09 13:58 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-19 1:44 [Buildroot] [PATCH 0/7] add Phonon support to qtopia4 Markus Heidelberg
2008-11-19 1:49 ` [Buildroot] [PATCH 1/7] package: add liboil package Markus Heidelberg
2008-11-25 7:27 ` [Buildroot] [PATCH 1/7 v2] " Markus Heidelberg
2008-12-02 22:51 ` Thomas Petazzoni
2008-12-03 6:15 ` Hans-Christian Egtvedt
2008-12-03 9:06 ` [Buildroot] [PATCH 1/7] " Thomas Petazzoni
2008-11-19 1:50 ` [Buildroot] [PATCH 2/7] package/multimedia: add libtheora package Markus Heidelberg
2008-11-19 1:50 ` [Buildroot] [PATCH 3/7] package/multimedia: add gstreamer package Markus Heidelberg
2008-11-19 1:51 ` [Buildroot] [PATCH 4/7] package/multimedia: add gst-plugins-base package Markus Heidelberg
2008-11-19 1:52 ` [Buildroot] [PATCH 5/7] package/multimedia: add gst-plugins-good package Markus Heidelberg
2008-11-19 1:52 ` [Buildroot] [PATCH 6/7] package/multimedia: add gst-plugins-ugly package Markus Heidelberg
2008-11-19 1:53 ` [Buildroot] [PATCH 7/7] qtopia4: add Phonon support Markus Heidelberg
2008-11-25 7:25 ` [Buildroot] [PATCH 0/7] add Phonon support to qtopia4 Markus Heidelberg
2008-11-25 7:27 ` Hans-Christian Egtvedt
2008-11-25 7:33 ` Markus Heidelberg
2008-12-08 18:03 ` Hans-Christian Egtvedt
2008-12-08 22:00 ` Markus Heidelberg
2008-12-09 6:02 ` Hans-Christian Egtvedt
2008-12-09 10:34 ` Markus Heidelberg
2008-12-09 10:45 ` Hans-Christian Egtvedt
2008-12-09 13:34 ` Thiago A. Corrêa
2008-12-09 13:58 ` Hans-Christian Egtvedt [this message]
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