040000 tree e37b84afb1fa65c8040137d12e0aec4b04bc9b47	armv4
040000 tree 14d67258addf0ff7b336bfef4add9118b5ef0b42	neon
100644 blob a6ba5bd4373af1e94ab45c9a234584da11d9c16e	scalesystemdependent.c
100644 blob adfca812fc5956b3aa4f2e30c114a48688d4dfc8	yv12extend_arm.h