解决问题
OpenCV: FFMPEG: tag 0x31637661/'avc1' is not supported with codec id 28 and format 'mp4 / MP4 (MPEG-4 Part 14)'
OpenCV: FFMPEG: fallback to use tag 0x00000021/'!???'Failed to load OpenH264 library: openh264-1.6.0-win64msvc.dll
Please check environment and/or download library: https://github.com/cisco/openh264/releases
[libopenh264 @ 000001dc01594420] Incorrect library version loaded
解决思路
标记0x31637661/'avc1'不支持编解码器id 28和格式'mp4 / mp4 (MPEG-4 Part 14)'
OpenCV: FFMPEG:回退以使用标记0x00000021/'!??'加载OpenH264库失败:OpenH264 -1.6.0-win64msv .dll
请检查环境和/或下载库:https://github.com/cisco/openh264/releases
[libopenh264 @ 000001dc01594420]加载的库版本不正确
解决方法
加载的库版本不符合要求，下载相关库函数：https://github.com/cisco/openh264/releases
