ffmpeg debug 调试configuration

configuration: --enable-debug=3 --disable-doc --disable-optimizations --enable-pic --extra-cflags=-fPIC --disable-demuxer=bluray --enable-openssl --enable-demuxer=dash

./configure --enable-debug=3 --disable-doc --disable-optimizations --enable-pic --extra-cflags=-fPIC --enable-openssl --enable-libx264 --enable-libx265 --enable-gpl --enable-nonfree