[FFmpeg-devel] Build ffmpeg with opencl for windows using mingw

[Ramit Bhalla]

>
> you haven't specify what is the
> problem exactly. configure fails? building fails? linking fails? fails at
> runtime?
> And are you using mingw, cygwin, VS?
> What is the output?
>
Am using mingw on Ubuntu to build for Win32 and Win64 targets.
The configure fails with the following error:

configuring ffmpeg_git
(/home/mcebuddy/Software/ffmpeg/sandbox/win32/ffmpeg_git) as $
PATH=/home/mcebuddy/Software/ffmpeg/sandbox/mingw-w64-i686/bin:/usr/lib/lightdm/lightdm:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
./configure --arch=x86 --target-os=mingw32
--cross-prefix=/home/mcebuddy/Software/ffmpeg/sandbox/mingw-w64-i686/bin/i686-w64-mingw32-
--pkg-config=pkg-config --enable-gpl --enable-libx264 --enable-avisynth
--enable-libxvid --enable-libmp3lame --enable-version3 --enable-zlib
--enable-librtmp --enable-libvorbis --enable-libtheora --enable-libspeex
--enable-libopenjpeg --enable-gnutls --enable-libgsm --enable-libfreetype
--enable-libopus --disable-w32threads --enable-frei0r
--enable-filter=frei0r --enable-libvo-aacenc --enable-bzlib
--enable-libxavs --extra-cflags=-DPTW32_STATIC_LIB
--enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libvo-amrwbenc --enable-libschroedinger --enable-libvpx
--enable-libilbc --enable-iconv --enable-libtwolame --enable-opencl
--extra-cflags=-DLIBTWOLAME_STATIC --enable-libmodplug
--extra-libs=-lstdc++ --enable-libzvbi --enable-libcaca
--prefix=/home/mcebuddy/Software/ffmpeg/sandbox/mingw-w64-i686/i686-w64-mingw32
--enable-static --disable-shared --enable-libsoxr --enable-fontconfig
--enable-libass --enable-libutvideo --enable-libbluray  --extra-cflags=
 --enable-nonfree --enable-libfdk-aac --enable-runtime-cpudetect
ERROR: opencl not found



>
> reading configure I can say you need CL/cl.h header at version at least 1.2
> and libOpenCL
> you may need to pass cflags to configure with paths for headers and ldflags
> with paths for libs
>

Where can I get the libOpenCL and header files? Are these vendor/platform
dependent?

Thanks