[Libav-user] OpenCV and FFMPEG Interface for Zynq board
Carl Eugen Hoyos
cehoyos at ag.or.at
Fri Apr 15 19:39:41 CEST 2016
Neha Makhija <Neha.Makhija at ...> writes:
> Now when I am cross-compiling OpenCV, it gives me the
> error that “ffmpeg/videio.h” missing.
FFmpeg does not install headers in a "ffmpeg" directory
and there is no header called "videio.h" (or similar).
> Further debugging this problem I found that ffmpeg
> changed the format to lib* name and OpenCV had put a
> Flag check (HAVE_GENTOO_FORMAT or HAVE_FFMPEG_FORMAT)
> for it.
I have never heard of this.
> After googling about it, I understood that the flag
> is by default passed by FFMPEG code to the OpenCV.
Sounds very unlikely.
> Here I am unable to understand how it happens?
> Commands I have tried for FFMPEG compilation
> $ ./configure --enable-shared --disable-static
> --cross-prefix=arm-xilinx-linux-gnueabi- --arch=armv7l
> --target-os=linux --prefix=<local path>
Looks sane if it succeeds.
> Can someone please suggest.
Ask the Opencv support, I don't think anybody here
knows about Opencv compilation.
More information about the Libav-user