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

2016-01-27 Thread Derek Buitenhuis
On 1/27/2016 8:35 PM, Hendrik Leppkes wrote: > This broke building on msvc, ssize_t is not available there. Shouldn't it be ptrdiff_t anyway? - Derek ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

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

2016-01-27 Thread Hendrik Leppkes
On Wed, Jan 27, 2016 at 8:28 PM, Matthieu Bouron wrote: > On Wed, Jan 27, 2016 at 10:20 AM, Matthieu Bouron > wrote: > >> >> >> On Tue, Jan 26, 2016 at 10:10 PM, Michael Niedermayer < >> mich...@niedermayer.cc> wrote: >> >>> On Tue, Jan 26, 2016 at 08:49:06PM +0100, Matthieu Bouron wrote: >>> > On

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

2016-01-27 Thread Matthieu Bouron
On Wed, Jan 27, 2016 at 10:20 AM, Matthieu Bouron wrote: > > > On Tue, Jan 26, 2016 at 10:10 PM, Michael Niedermayer < > mich...@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 >> > > > wrote: >

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

2016-01-27 Thread Matthieu Bouron
On Tue, Jan 26, 2016 at 10:10 PM, Michael Niedermayer < mich...@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 > > > wrote: > > > > > On Tue, Jan 26, 2016 at 05:15:37PM +0100, Matthieu Bouron wrote

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

2016-01-26 Thread Michael Niedermayer
On Tue, Jan 26, 2016 at 08:49:06PM +0100, Matthieu Bouron wrote: > On Tue, Jan 26, 2016 at 6:04 PM, Michael Niedermayer > wrote: > > > On Tue, Jan 26, 2016 at 05:15:37PM +0100, Matthieu Bouron wrote: > > > From: Matthieu Bouron > > > > > > --- > > > > > > From random 3264x2448 jpegs, scan data c

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

2016-01-26 Thread Matthieu Bouron
On Tue, Jan 26, 2016 at 6:04 PM, Michael Niedermayer wrote: > On Tue, Jan 26, 2016 at 05:15:37PM +0100, Matthieu Bouron wrote: > > From: Matthieu Bouron > > > > --- > > > > From random 3264x2448 jpegs, scan data copy on a Nexus5 goes from [15, > 28]ms to [3, 12]ms. > > breaks https://trac.ffmpeg

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

2016-01-26 Thread Michael Niedermayer
On Tue, Jan 26, 2016 at 05:15:37PM +0100, Matthieu Bouron wrote: > From: Matthieu Bouron > > --- > > 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 [...] -- Michael GnuPG fin

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

2016-01-26 Thread Matthieu Bouron
From: Matthieu Bouron --- From random 3264x2448 jpegs, scan data copy on a Nexus5 goes from [15, 28]ms to [3, 12]ms. --- libavcodec/mjpegdec.c | 43 +-- 1 file changed, 33 insertions(+), 10 deletions(-) diff --git a/libavcodec/mjpegdec.c b/libavcodec/m