On Tue, Nov 04, 2014 at 12:26:27AM +0530, arwa arif wrote:
Okay. I would try to complete it by tomorrow.
any news about this ?
i know this isnt trivial to update to the other reference ...
On Mon, Nov 3, 2014 at 8:02 PM, Stefano Sabatini stefa...@gmail.com wrote:
On date Monday 2014-11-03
Okay. I would try to complete it by tomorrow.
On Mon, Nov 3, 2014 at 8:02 PM, Stefano Sabatini stefa...@gmail.com wrote:
On date Monday 2014-11-03 12:09:50 +0530, arwa arif encoded:
I mailed Sergio (Hyllian) and this is his message -
You can look at this thread:
On Sun, Nov 02, 2014 at 09:09:51AM +0530, arwa arif wrote:
On Sun, Nov 2, 2014 at 3:36 AM, Michael Niedermayer michae...@gmx.at
wrote:
On Sat, Nov 01, 2014 at 11:35:11PM +0530, arwa arif wrote:
Scale2x and xBR are very different. But they have implemented xBR also in
their source code.
On date Sunday 2014-11-02 13:28:05 +0100, Michael Niedermayer encoded:
On Sun, Nov 02, 2014 at 09:09:51AM +0530, arwa arif wrote:
[...]
The reference code I used was https://github.com/carlosascari/2xBR-Filter;.
I see, and i understand now where the abs bug in your code came from
i dont
On Sunday, November 2, 2014, Stefano Sabatini stefa...@gmail.com wrote:
On date Sunday 2014-11-02 13:28:05 +0100, Michael Niedermayer encoded:
On Sun, Nov 02, 2014 at 09:09:51AM +0530, arwa arif wrote:
[...]
The reference code I used was
https://github.com/carlosascari/2xBR-Filter;.
On Sunday, November 2, 2014, Timothy Gu timothyg...@gmail.com wrote:
Found a C++ implementation:
http://sourceforge.net/p/paintown/code/HEAD/tree/trunk/src/util/graphics/sdl/xbr.cpp
It says xBR 3.3b and I'm not sure what variant that is in the filthy
pants blog.
It's close to C and
Le duodi 12 brumaire, an CCXXIII, Stefano Sabatini a écrit :
This blog mentions Hyllian xBR algorithm:
http://board.byuu.org/viewtopic.php?f=10t=2248
but the link above is dead.
There is a version in the Wayback Machine:
I mailed Sergio (Hyllian) and this is his message -
You can look at this thread:
http://www.libretro.com/forums/viewtopic.php?f=6t=134
And there are some c/c++ implementations out there like this:
https://github.com/yoyofr/iFBA/blob/master/fba_src/src/intf/video/scalers/xbr.cpp
I'm not
On date Saturday 2014-11-01 04:27:24 +0530, arwa arif encoded:
[...]
On Fri, Oct 31, 2014 at 6:31 PM, Stefano Sabatini stefa...@gmail.com
From 9b6b1d546247cf61b2f696835fb8a5e782d353ea Mon Sep 17 00:00:00 2001
From: Arwa Arif arwaarif1...@gmail.com
Date: Thu, 30 Oct 2014 22:06:20 +0530
On Sat, Nov 01, 2014 at 07:30:32PM +0530, arwa arif wrote:
On Sat, Nov 1, 2014 at 4:40 PM, Stefano Sabatini stefa...@gmail.com wrote:
On date Saturday 2014-11-01 04:27:24 +0530, arwa arif encoded:
[...]
On Fri, Oct 31, 2014 at 6:31 PM, Stefano Sabatini stefa...@gmail.com
From
Scale2x and xBR are very different. But they have implemented xBR also in
their source code. Anyways, I found a good link --
http://imgur.com/a/XAwx5; for reference pictures. But, the answers are
coming out to be different. Not sure, why this is happening. Maybe, it is
because of different
On Sat, Nov 01, 2014 at 11:35:11PM +0530, arwa arif wrote:
Scale2x and xBR are very different. But they have implemented xBR also in
their source code. Anyways, I found a good link --
http://imgur.com/a/XAwx5; for reference pictures. But, the answers are
coming out to be different. Not sure,
On Sun, Nov 2, 2014 at 3:36 AM, Michael Niedermayer michae...@gmx.at
wrote:
On Sat, Nov 01, 2014 at 11:35:11PM +0530, arwa arif wrote:
Scale2x and xBR are very different. But they have implemented xBR also in
their source code. Anyways, I found a good link --
http://imgur.com/a/XAwx5; for
On date Friday 2014-10-31 01:36:46 +0530, arwa arif encoded:
[...]
From b9b56b594f856fef8b113b283df2d2045e8357f7 Mon Sep 17 00:00:00 2001
From: Arwa Arif arwaarif1...@gmail.com
Date: Thu, 30 Oct 2014 22:06:20 +0530
Subject: [PATCH] [PATCH]lvafi: add xbr filter
typo: lavfi:
---
On Sat, Nov 01, 2014 at 04:27:24AM +0530, arwa arif wrote:
On Fri, Oct 31, 2014 at 6:31 PM, Stefano Sabatini stefa...@gmail.com
wrote:
On date Friday 2014-10-31 01:36:46 +0530, arwa arif encoded:
[...]
From b9b56b594f856fef8b113b283df2d2045e8357f7 Mon Sep 17 00:00:00 2001
From:
On Wed, Oct 29, 2014 at 3:36 AM, Clément Bœsch u...@pkh.me wrote:
On Tue, Oct 28, 2014 at 10:51:27PM +0100, Michael Niedermayer wrote:
On Tue, Oct 28, 2014 at 07:16:45PM +0100, Clément Bœsch wrote:
On Tue, Oct 28, 2014 at 06:30:34PM +0100, Stefano Sabatini wrote:
[...]
How much
On date Thursday 2014-10-30 18:23:35 +0530, arwa arif encoded:
On Wed, Oct 29, 2014 at 3:36 AM, Clément Bœsch u...@pkh.me wrote:
On Tue, Oct 28, 2014 at 10:51:27PM +0100, Michael Niedermayer wrote:
On Tue, Oct 28, 2014 at 07:16:45PM +0100, Clément Bœsch wrote:
On Tue, Oct 28, 2014 at
On Thu, Oct 30, 2014 at 9:34 PM, Stefano Sabatini stefa...@gmail.com
wrote:
On date Thursday 2014-10-30 18:23:35 +0530, arwa arif encoded:
On Wed, Oct 29, 2014 at 3:36 AM, Clément Bœsch u...@pkh.me wrote:
On Tue, Oct 28, 2014 at 10:51:27PM +0100, Michael Niedermayer wrote:
On Tue, Oct
On Tue, Oct 28, 2014 at 01:45:06PM +0530, arwa arif wrote:
On Tue, Oct 28, 2014 at 1:25 AM, Clément Bœsch u...@pkh.me wrote:
On Mon, Oct 27, 2014 at 08:54:11PM +0100, Clément Bœsch wrote:
[...]
Can you add a FATE test similar to this? See tests/fate/filter-video.mak.
similar to hqx I
On Tue, Oct 28, 2014 at 1:52 PM, Clément Bœsch u...@pkh.me wrote:
On Tue, Oct 28, 2014 at 01:45:06PM +0530, arwa arif wrote:
On Tue, Oct 28, 2014 at 1:25 AM, Clément Bœsch u...@pkh.me wrote:
On Mon, Oct 27, 2014 at 08:54:11PM +0100, Clément Bœsch wrote:
[...]
Can you add a FATE
On date Tuesday 2014-10-28 13:45:06 +0530, arwa arif encoded:
On Tue, Oct 28, 2014 at 1:25 AM, Clément Bœsch u...@pkh.me wrote:
On Mon, Oct 27, 2014 at 08:54:11PM +0100, Clément Bœsch wrote:
[...]
Can you add a FATE test similar to this? See tests/fate/filter-video.mak.
similar to
On Tue, Oct 28, 2014 at 06:30:34PM +0100, Stefano Sabatini wrote:
[...]
How much effort would it take to implement the remaining scaling modes?
According to
https://ffmpeg.org/pipermail/ffmpeg-devel/2014-October/164574.html
I think 4x can be done fast enough, but 3x will take time.
[...]
Sent from my BlackBerry 10 smartphone on the Rogers network.
Original Message
From: Michael Niedermayer
Sent: Tuesday, October 28, 2014 17:51
To: FFmpeg development discussions and patches
Reply To: FFmpeg development discussions and patches
Subject: Re: [FFmpeg-devel] [PATCH] lavfi: add xbr
Sent from my BlackBerry 10 smartphone on the Rogers network.
Original Message
From: Michael Niedermayer
Sent: Tuesday, October 28, 2014 17:51
To: FFmpeg development discussions and patches
Reply To: FFmpeg development discussions and patches
Subject: Re: [FFmpeg-devel] [PATCH] lavfi: add xbr
Ыы
Sent from my BlackBerry 10 smartphone on the Rogers network.
Original Message
From: Michael Niedermayer
Sent: Tuesday, October 28, 2014 17:51
To: FFmpeg development discussions and patches
Reply To: FFmpeg development discussions and patches
Subject: Re: [FFmpeg-devel] [PATCH] lavfi: add
On Tue, Oct 28, 2014 at 10:51:27PM +0100, Michael Niedermayer wrote:
On Tue, Oct 28, 2014 at 07:16:45PM +0100, Clément Bœsch wrote:
On Tue, Oct 28, 2014 at 06:30:34PM +0100, Stefano Sabatini wrote:
[...]
How much effort would it take to implement the remaining scaling modes?
On Mon, Oct 27, 2014 at 12:40 AM, Clément Bœsch u...@pkh.me wrote:
On Mon, Oct 27, 2014 at 12:28:35AM +0530, arwa arif wrote:
1. I think I understood what is giving you segmentation fault. The mask
that I am creating is going out of bounds for the boundary pixels. I will
try to fix it.
Le sextidi 6 brumaire, an CCXXIII, arwa arif a écrit :
I have done all the changes except rgb to yuv conversion. I will most
probably do it by tonight.
+/*Convert RGB to Y'UV*/
+int y = r * .299000 + g * .587000 + b * .114000;
+int u = r * -.168736 + g * -.331264 + b * .50;
On Mon, Oct 27, 2014 at 10:02:25AM +0100, Nicolas George wrote:
Le sextidi 6 brumaire, an CCXXIII, arwa arif a écrit :
I have done all the changes except rgb to yuv conversion. I will most
probably do it by tonight.
+/*Convert RGB to Y'UV*/
+int y = r * .299000 + g * .587000 + b
On Tue, Oct 28, 2014 at 01:07:30AM +0530, arwa arif wrote:
[...]
From 9c5fa6fa8f6091149570cded8ee65d232ae88e97 Mon Sep 17 00:00:00 2001
From: Arwa Arif arwaarif1...@gmail.com
Date: Sat, 25 Oct 2014 22:04:51 +0530
Subject: [PATCH] [PATCH]lavfi: add xbr filter
Makefile
allfilters.c
On Mon, Oct 27, 2014 at 08:54:11PM +0100, Clément Bœsch wrote:
[...]
Can you add a FATE test similar to this? See tests/fate/filter-video.mak.
similar to hqx I meant
--
Clément B.
pgpnPv6t6IHk6.pgp
Description: PGP signature
___
ffmpeg-devel
On Sun, Oct 26, 2014 at 02:51:48PM +0530, arwa arif wrote:
I think the segmentation fault is maybe because of wrong input format. The
code runs for rgb24 only. I have attached the updated patch along with the
tested input file. I was not able to attach a video file. So, for now I am
attaching
The code is running fine on my laptop. What seg-fault log are you getting?
Also, I looked on internet for converting rgb to yuv with integers, I got
these equations.
http://stackoverflow.com/questions/4979504/fast-rgb-yuv-conversion-in-opencl
On Sun, Oct 26, 2014 at 4:27 PM, Michael Niedermayer
On Sun, Oct 26, 2014 at 07:21:41PM +0530, arwa arif wrote:
The code is running fine on my laptop. What seg-fault log are you getting?
gdb --args ./ffplay_g images.jpeg -vf xbr,xbr
...
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffeb1a6700 (LWP 11984)]
On Sun, Oct 26, 2014 at 02:51:48PM +0530, arwa arif wrote:
[...]
+/**
+* Mixes a pixel A, with pixel B, with B's transperancy set to 'a'
+* In other words, A is a solid color (bottom) and B is a transparent color
(top)
+**/
+static int mix(AVFrame *in,int x1,int y1,int x2,int y2,int a,int
1. I think I understood what is giving you segmentation fault. The mask
that I am creating is going out of bounds for the boundary pixels. I will
try to fix it. But, I am curious why is it working on my laptop?
2. Thank you Clement for the mode part. It made the code look smaller.
Also, I chose
On Sat, Oct 25, 2014 at 1:01 AM, Michael Niedermayer michae...@gmx.at
wrote:
On Fri, Oct 24, 2014 at 10:34:32PM +0530, arwa arif wrote:
I have taken care of aal the things mentioned except the floating point.
I
will update the floating point part till tomorrow. For now, I have
attached
Please ignore the previous mail. I attached the wrong patch. New patch is
attached with this mail.
On Sat, Oct 25, 2014 at 10:06 PM, arwa arif arwaarif1...@gmail.com wrote:
On Sat, Oct 25, 2014 at 1:01 AM, Michael Niedermayer michae...@gmx.at
wrote:
On Fri, Oct 24, 2014 at 10:34:32PM
On Sat, Oct 25, 2014 at 10:14 PM, arwa arif arwaarif1...@gmail.com wrote:
Please ignore the previous mail. I attached the wrong patch. New patch is
attached with this mail.
On Sat, Oct 25, 2014 at 10:06 PM, arwa arif arwaarif1...@gmail.com
wrote:
On Sat, Oct 25, 2014 at 1:01 AM, Michael
Le quartidi 4 brumaire, an CCXXIII, arwa arif a écrit :
please post a new patch instead of a patch on top of a previous
patch
libavfilter/vf_xbr.c | 303
++
1 file changed, 303 insertions(+)
create mode 100644 libavfilter/vf_xbr.c
This
Can you please specify what is meant by stand-alone changes? Do I need to
add the non-default functions in different commit? I am not very sure if I
understood it right. Apart from that, I have updated the patch.
On Sat, Oct 25, 2014 at 10:16 PM, Nicolas George geo...@nsup.org wrote:
Le
Le quartidi 4 brumaire, an CCXXIII, arwa arif a écrit :
Can you please specify what is meant by stand-alone changes?
I believe it was already specified in my original message: such as moving
code into a shared function, and pore importantly: it does not seem to
apply here.
Apart from that, I
From a4b2a4fecbb147b285cf8609d9c0144081e3c40a Mon Sep 17 00:00:00 2001
From: Arwa Arif arwaarif1...@gmail.com
Date: Fri, 24 Oct 2014 16:49:40 +0530
Subject: [PATCH] lvafi: add xBR filter
Makefile
allfilter.c
---
libavfilter/Makefile |1 +
libavfilter/allfilters.c |1 +
I have taken care of aal the things mentioned except the floating point. I
will update the floating point part till tomorrow. For now, I have attached
the patch updated till now.
On Fri, Oct 24, 2014 at 7:28 PM, Clément Bœsch u...@pkh.me wrote:
On Fri, Oct 24, 2014 at 07:01:11PM +0530, arwa
On Fri, Oct 24, 2014 at 10:34:32PM +0530, arwa arif wrote:
I have taken care of aal the things mentioned except the floating point. I
will update the floating point part till tomorrow. For now, I have attached
the patch updated till now.
[...]
vf_xbr.c | 418
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