AV_TOSTRING       289 libavcodec/x86/fdct.c #define S(s) AV_TOSTRING(s) //AV_STRINGIFY is too long
AV_TOSTRING        36 libavutil/macros.h #define AV_STRINGIFY(s)         AV_TOSTRING(s)
AV_TOSTRING        40 libswscale/swscale_internal.h #define STR(s) AV_TOSTRING(s) // AV_STRINGIFY is too long