#ifndef FF_API_AVFILTERBUFFER
#define FF_API_AVFILTERBUFFER (LIBAVFILTER_VERSION_MAJOR < 6)
#endif
#ifndef FF_API_OLD_FILTER_OPTS
#define FF_API_OLD_FILTER_OPTS (LIBAVFILTER_VERSION_MAJOR < 6)
#endif
#ifndef FF_API_AVFILTERBUFFER
#define FF_API_AVFILTERBUFFER (LIBAVFILTER_VERSION_MAJOR < 6)
#endif
#ifndef FF_API_OLD_FILTER_OPTS
#define FF_API_OLD_FILTER_OPTS (LIBAVFILTER_VERSION_MAJOR < 6)
#endif