AV_SWAP64         619 libavutil/intreadwrite.h #   define AV_SWAP64(a, b) AV_SWAP(64, a, b)
AV_SWAP64          42 libavutil/x86/intreadwrite.h #define AV_SWAP64 AV_SWAP64
AV_SWAP64          43 libavutil/x86/intreadwrite.h static av_always_inline void AV_SWAP64(void *a, void *b)