-#ifndef FF_API_GRAPH_AVCLASS
-#define FF_API_GRAPH_AVCLASS (LIBAVFILTER_VERSION_MAJOR > 2)
-#endif
-#ifndef FF_API_SAMPLERATE64
-#define FF_API_SAMPLERATE64 (LIBAVFILTER_VERSION_MAJOR < 3)
-#endif
-#ifndef FF_API_VSRC_BUFFER_ADD_FRAME
-#define FF_API_VSRC_BUFFER_ADD_FRAME (LIBAVFILTER_VERSION_MAJOR < 3)
-#endif
-#ifndef FF_API_PACKING
-#define FF_API_PACKING (LIBAVFILTER_VERSION_MAJOR < 3)
-#endif
-#ifndef FF_API_DEFAULT_CONFIG_OUTPUT_LINK
-#define FF_API_DEFAULT_CONFIG_OUTPUT_LINK (LIBAVFILTER_VERSION_MAJOR < 3)
-#endif
-#ifndef FF_API_FILTERS_PUBLIC
-#define FF_API_FILTERS_PUBLIC (LIBAVFILTER_VERSION_MAJOR < 3)
-#endif