autodetect OpenCL headers
> and ICD loader
>
> On Mon, Jun 8, 2015 at 5:53 AM, Gupta, Maneesh
> wrote:
> >> -Original Message-
> >> From: ffmpeg-devel-boun...@ffmpeg.org [mailto:ffmpeg-devel-
> >> boun...@ffmpeg.org] On Behalf Of James Almer
&
autodetect OpenCL headers
> and ICD loader
>
> On 28/05/15 12:28 AM, Gupta, Maneesh wrote:
> > Attached is a patch that enables configure to autodetect the presence of
> OpenCL headers and ICD loader. If the necessary headers are found, the
> OpenCL infrastructure compilation is e
Attached is a patch that enables configure to autodetect the presence of OpenCL
headers and ICD loader. If the necessary headers are found, the OpenCL
infrastructure compilation is enabled as well. Note that this does not modify
the runtime behavior in any way. Execution of the OpenCL code path
2/2] OpenCL: Avoid potential buffer
> overflow in cmdutils_opencl.c by using strncpy instead of strcpy
>
> On Mon, Apr 27, 2015 at 07:51:36AM +, Gupta, Maneesh wrote:
> > Hi,
> >
> > There was a potential buffer overflow during a strcpy operation in
> cmduti
2] OpenCL: Fix ABI incompatibility
> issues
>
> On Mon, Apr 27, 2015 at 07:51:33AM +, Gupta, Maneesh wrote:
> > Hi,
> >
> > This patch attempts to fix the ABI incompatibility issues in the OpenCL
> code. Please review it and let me know if there is anything that I mi
Hi,
This patch attempts to fix the ABI incompatibility issues in the OpenCL code.
Please review it and let me know if there is anything that I missed addressing
in this patch.
Regards,
Maneesh
0001-OpenCL-Fix-ABI-incompatibility-issues.patch
Description: 0001-OpenCL-Fix-ABI-incompatibility-is
Hi,
There was a potential buffer overflow during a strcpy operation in
cmdutils_opencl.c. This patch attempts to fix the same.
Regards,
Maneesh
0002-OpenCL-Replace-strcpy-with-strncpy-to-avoid-buffer-o.patch
Description: 0002-OpenCL-Replace-strcpy-with-strncpy-to-avoid-buffer-o.patch
_
figure: autodetect opencl
>
> On Mon, Mar 02, 2015 at 10:59:10AM +, Carl Eugen Hoyos wrote:
> > Gupta, Maneesh amd.com> writes:
> >
> > > > > Similar to the way SDL is being autodetected, the attached patch
> > > > > proposes to autodetect OpenCL.
> -Original Message-
> From: ffmpeg-devel-boun...@ffmpeg.org [mailto:ffmpeg-devel-
> boun...@ffmpeg.org] On Behalf Of Carl Eugen Hoyos
> Sent: Monday, March 02, 2015 4:29 PM
> To: ffmpeg-devel@ffmpeg.org
> Subject: Re: [FFmpeg-devel] [PATCH] configure: autodetect opencl
&
Mon, 2 Mar 2015 07:29:11 +
> "Gupta, Maneesh" wrote:
>
> > Hi,
> >
> > Similar to the way SDL is being autodetected, the attached patch proposes
> to autodetect OpenCL.
>
> SDL shouldn't be autodetected at all, since it's not a system lib
> -Original Message-
> From: ffmpeg-devel-boun...@ffmpeg.org [mailto:ffmpeg-devel-
> boun...@ffmpeg.org] On Behalf Of Carl Eugen Hoyos
> Sent: Monday, March 02, 2015 2:19 PM
> To: ffmpeg-devel@ffmpeg.org
> Subject: Re: [FFmpeg-devel] [PATCH] configure: autodetect opencl
&
Hi,
Similar to the way SDL is being autodetected, the attached patch proposes to
autodetect OpenCL.
Rationale for the change:
* OpenCL linking typically happens against the OpenCL ICD's import library.
Hence there is no hard-linking against the OpenCL ICD's DLL/shared library. So
ffmpeg should
1/3] Add clew.c & clew.h to libavutil
>
> FWIW I didn't have to pass ANY --extra-cflags and --extra-ldflags to build
> FFmpeg with OpenCL on Fedora 21. I only had to install opencl-headers and
> ocl-icd-devel packages.
>
[Gupta, Maneesh]
Unfortunately I am in the Windows pa
/3] Use clew instead of cl.h for OpenCL
>
> Hello, Maneesh.
>
> On Friday, 06 February 2015 at 11:09, Gupta, Maneesh wrote:
> > Attached is the follow on patch that switches to using clew instead of
> > cl.h
>
> What's the rationale to switch? cl.h is part of Kh
til
>
> On Fri, 6 Feb 2015 11:06:28 +
> "Gupta, Maneesh" wrote:
>
> >
> >
> > > -Original Message-
> > > From: ffmpeg-devel-boun...@ffmpeg.org [mailto:ffmpeg-devel-
> > > boun...@ffmpeg.org] On Behalf Of wm4
> > >
til
>
> On Fri, 6 Feb 2015 11:14:21 +0100
> Hendrik Leppkes wrote:
>
> > On Fri, Feb 6, 2015 at 11:09 AM, Gupta, Maneesh
> wrote:
> > > Hi All,
> > >
> > > There are several issues with the way ffmpeg compilation works when
> OpenCL is enabled us
Attached is the patch that updates the configure script since we no longer
depend upon cl.h.
One added advantage of using clew is that we can turn on OpenCL compilation by
default. This patch additionally enables OpenCL compilation on Linux, Windows
and Darwin target OS.
Regards,
Maneesh Gupta
Attached is the follow on patch that switches to using clew instead of cl.h
Regards,
Maneesh Gupta
0002-Use-clew-instead-of-cl.h-for-OpenCL.patch
Description: 0002-Use-clew-instead-of-cl.h-for-OpenCL.patch
___
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ffmpeg-devel@ffm
documentation for -
> opencl_bench option
>
> On date Tuesday 2015-01-27 09:56:41 +, Gupta, Maneesh encoded:
> > Attached is a patch for updated documentation for the -opencl_bench
> option.
> >
> > Regards,
> > Maneesh
>
> > From 5c963436f67cc
Attached is a patch for updated documentation for the -opencl_bench option.
Regards,
Maneesh
0001-documentation-for-opencl_bench.patch
Description: 0001-documentation-for-opencl_bench.patch
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ffmpeg-devel@ffmpeg.org
http://f
Hi,
I was searching the FFMPEG documentation on enabling OpenCL &
selecting/specifying an OpenCL device. Here is what I could find:
1) Enabling OpenCL while building OpenCL:
https://trac.ffmpeg.org/wiki/HWAccelIntro
2) Specifying an OpenCL device to be used:
/share/doc/ffmpeg/ffmpeg-utils.html
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