AV_COPYU          568 libavutil/intreadwrite.h #   define AV_COPY16U(d, s) AV_COPYU(16, d, s)
AV_COPYU          572 libavutil/intreadwrite.h #   define AV_COPY32U(d, s) AV_COPYU(32, d, s)
AV_COPYU          576 libavutil/intreadwrite.h #   define AV_COPY64U(d, s) AV_COPYU(64, d, s)