我在运行osgmovie的例子的时候,提示如下错误:
Warning: dynamic library '/usr/local/lib/osgPlugins-2.9.2/osgdb_ffmpeg.so' exists, but an error occurred while trying to open it:
Unable to read file Ch.mp4.ffmpeg
/usr/local/lib/osgPlugins-2.9.2/osgdb_ffmpeg.so: undefined symbol: av_get_bits_per_sample_fmt