编译OPENCV3.1.0报错
-- Looking for ffmpeg/avformat.h - not found
-- Checking for module 'libgphoto2'
-- No package 'libgphoto2' found
-- ICV: Downloading ippicv_linux_20151201.tgz...
CMake Error at 3rdparty/ippicv/downloader.cmake:73 (file):
file DOWNLOAD HASH mismatch
for file: [/home/songdapeng/slambook2/3rdparty/opencv-3.1.0/3rdparty/ippicv/downloads/linux-808b791a6eac9ed78d32a7666804320e/ippicv_linux_20151201.tgz]
expected hash: [808b791a6eac9ed78d32a7666804320e]
actual hash: [d41d8cd98f00b204e9800998ecf8427e]
status: [7;"Couldn't connect to server"]
Call Stack (most recent call first):
3rdparty/ippicv/downloader.cmake:110 (_icv_downloader)
cmake/OpenCVFindIPP.cmake:237 (include)
cmake/OpenCVFindLibsPerf.cmake:12 (include)
CMakeLists.txt:537 (include)</

在编译OpenCV3.1.0时,由于网络问题导致ffmpeg/avformat.h未找到,libgphoto2库未安装,并且 IPPICV 的下载出现错误。解决方法包括手动下载ippicv_linux_20151201.tgz文件,将其替换到指定目录,并重新运行cmake和make命令。提供的链接包含ippicv的下载资源。
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