Ensure that the refmvs_refpair union is packed
When building for RISC OS, the refmvs_refpair union is padded to a multiple of 4 bytes, which leads to the padding being included in the otherwise packed refmvs_block structure.
When building for RISC OS, the refmvs_refpair union is padded to a multiple of 4 bytes, which leads to the padding being included in the otherwise packed refmvs_block structure.
VideoLAN code repository instance