xcode OpenCV：无法从文件中读取视频流
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OpenCV: Couldn't read video stream from file
提问by Eugenie
I'm trying to output a video from file using OpenCV 3.4.0. Xcode gives an error message: OpenCV: Couldn't read video stream from file. When i capture video from cam xcode run successfull. I try install ffmpeg 3.4.1 and don't know what headers i need to include. It's all on OSX 10.12 Sierra
我正在尝试使用 OpenCV 3.4.0 从文件中输出视频。Xcode 给出错误消息：OpenCV：无法从文件读取视频流。当我从 cam xcode 捕获视频时运行成功。我尝试安装 ffmpeg 3.4.1，但不知道我需要包含哪些标头。这一切都在 OSX 10.12 Sierra 上
回答by Eugenie
Found solution, i point wrong path to file "~/Desktop/test.mp4"just changed to "/Users/jameson/Desktop/test.mp4"apparantly opencv not enough abridged version of path
找到解决方案，我指向错误的文件路径"~/Desktop/test.mp4"刚刚更改为"/Users/jameson/Desktop/test.mp4"明显的 opencv 没有足够的路径的删节版本
