ffmpeg3.3 drawtext
请教各位大侠， 当使用ffmpeg3.3 drawtext插入字幕的时候，提示如下 错误， 'drawtext' 是在什么软件包中有此功能？No such filter: 'drawtext'
Error reinitializing filters!
Failed to inject frame into filter network: Invalid argument
Error while processing the decoded data for stream #0:0
编译参数：
/configure --prefix=/app/ffmpeg-3.32 --enable-libxvid --enable-libx264 --enable-libmp3lame --enable-libvorbis --enable-libopencore-amrnb --enable-libopencore-amrwb--enable-gpl --enable-shared--enable-libvorbis --extra-cflags="-I/app/ffmpeg-3.32/include" --extra-ldflags="-L/app/ffmpeg-3.32/lib" --enable-encoder=libx264 --enable-libfdk-aac --enable-libfreetype--enable-avfilter --enable-libfontconfig --enable-libfribidi --enable-version3 --enable-filter=drawtext --enable-filter=overlay --enable-encoder=libfdk_aac --enable-muxer=mp4 --disable-ffserver --disable-ffplay --enable-nonfree
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