I installed ffmpeg according to this article. ffmpeg installation was ok. Now I build opencv with ffmpeg support and I have some errors. The errors are /home/coie/Softwares/Libraries/opencv-:: error: ‘CODEC_FLAG_GLOBAL_HEADER’ was not declared in thi…
在安装好的opencv文件夹下找到路径:opencv245\opencv\3rdparty\ffmpeg,此路径下有一个readme.txt文件,内容例如以下所看到的: The build script is to be fixed. Right now it assumes that 32-bit MinGW is in the system path and 64-bit mingw is installed to c:\Apps\MinGW64. It is important that…
为了让ffmpeg使用gpu进行解码,可以按以下步骤: 1 下载nvidia官网提供的ffmpeg,编译安装 https://developer.nvidia.com/ffmpeg 注意原来的选项上还需要添加上 --enable-shared 如果出现编译错误 ERROR: cuda requested, but not all dependencies are satisfied: ffnvcodec参考:https://superuser.com/questions/1299064/erro…