[FFmpeg-devel] [PATCH] lavc/mjpegdec: speed up scan data copy

[Matthieu Bouron]

On Wed, Jan 27, 2016 at 10:20 AM, Matthieu Bouron <matthieu.bouron at gmail.com
> wrote:

>
>
> On Tue, Jan 26, 2016 at 10:10 PM, Michael Niedermayer <
> michael at niedermayer.cc> wrote:
>
>> On Tue, Jan 26, 2016 at 08:49:06PM +0100, Matthieu Bouron wrote:
>> > On Tue, Jan 26, 2016 at 6:04 PM, Michael Niedermayer
>> <michael at niedermayer.cc
>> > > wrote:
>> >
>> > > On Tue, Jan 26, 2016 at 05:15:37PM +0100, Matthieu Bouron wrote:
>> > > > From: Matthieu Bouron <matthieu.bouron at stupeflix.com>
>> > > >
>> > > > ---
>> > > >
>> > > > From random 3264x2448 jpegs, scan data copy on a Nexus5 goes from
>> [15,
>> > > 28]ms to [3, 12]ms.
>> > >
>> > > breaks https://trac.ffmpeg.org/raw-attachment/ticket/1527/24bpp.mov
>> > >
>> >
>> > Thanks for finding this.
>> > Fixed in the attached patch.
>> >
>> > [...]
>>
>> >  mjpegdec.c |   50 ++++++++++++++++++++++++++++++++++++++++----------
>> >  1 file changed, 40 insertions(+), 10 deletions(-)
>> > 9335d6703c59c78c861a3e3099866159fc68afe6
>> 0001-lavc-mjpegdec-speed-up-scan-data-copy.patch
>> > From d0a2808be8393dc7c2d813d08fc0e4518d0f2bd9 Mon Sep 17 00:00:00 2001
>> > From: Matthieu Bouron <matthieu.bouron at stupeflix.com>
>> > Date: Tue, 26 Jan 2016 17:15:37 +0100
>> > Subject: [PATCH] lavc/mjpegdec: speed up scan data copy
>>
>> seems to work with the files i tried
>>
>
> I will wait a few more hours (7h~) and if nobody objects I will push the
> patch.
>

Pushed.