- therefore, you should add ffmpeg to OpenCV, maybe using the 3rdparty
directory, but I don't know how it is supposed to be used
I too don't know. Then Cross compiling is not so simple like this:
http://processors.wiki.ti.com/index.php/Building_OpenCV_for_ARM_Cortex-A8
this does not cover
On 4 February 2013 02:08, Matthew Gretton-Dann
matthew.gretton-d...@linaro.org wrote:
On 2 February 2013 00:13, Derek Rollend derek.roll...@gmail.com wrote:
Hello,
I am currently trying to determine how much I can optimize OpenCV using the
ARM's VFP and the Linaro nano image. I have
I added the lib path explicitly so I knew that arm-linux-gnueabihf-g++ was
definitely linking against the correct hard float libraries. Perhaps this
is unnecessary, but I just wanted to be sure. I've been using OpenCV 2.2
because that was the version that was known to compile successfully from
I'd say that adding
-L/opt/gcc-linaro-arm-linux-gnueabihf-4.7-2013.01-20130125_linux/arm-linux-gnueabihf/lib
is unnecessary as gcc's driver should be able to find its own
libraries.
Regarding your problems with ffmpeg, I'm sorry that I don't know how
cmake works, but after spending some time
Derek Rollend derek.rollend@... writes:
Hello,
I am currently trying to determine how much I can optimize OpenCV using the
ARM's VFP and the Linaro nano image. I have downloaded the
arm-linux-gnueabihf-gcc arm-linux-gnueabihf-g++ compilers, successfully
cross-compiled OpenCV using those
Fernan,
I'm using CMake 2.8.0. I have not tried to compile OpenCV with FFMPEG
support yet, although I will be trying to do this soon. I have only
successfully compiled OpenCV 2.2 using the Linaro hard float compiler.
Here is my toolchain.cmake file:
set( CMAKE_SYSTEM_NAME Linux )
set(
Derek Rollend derek.rollend@... writes:
Fernan,
I'm using CMake 2.8.0. I have not tried to compile OpenCV with FFMPEG support
yet, although I will be trying to do this soon. I have only successfully
compiled OpenCV 2.2 using the Linaro hard float compiler. Here is my
toolchain.cmake
Add the Linaro toolchain bin directory to your PATH environment variable:
export
PATH=/opt/gcc-linaro-arm-linux-gnueabihf-4.7-2013.01-20130125_linux/bin:$PATH
or whichever directory you have extracted the Linaro HF tarball to.
-Derek
On Mon, Feb 11, 2013 at 4:04 PM, Fernan
On 2 February 2013 00:13, Derek Rollend derek.roll...@gmail.com wrote:
Hello,
I am currently trying to determine how much I can optimize OpenCV using the
ARM's VFP and the Linaro nano image. I have downloaded the
arm-linux-gnueabihf-gcc arm-linux-gnueabihf-g++ compilers, successfully
Hello,
I am currently trying to determine how much I can optimize OpenCV using the
ARM's VFP and the Linaro nano image. I have downloaded the
arm-linux-gnueabihf-gcc arm-linux-gnueabihf-g++ compilers, successfully
cross-compiled OpenCV using those compilers (with -O3 -mfloat-abi=hard
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