AV_COPYU          545 3rdparty/include/ffmpeg_/libavutil/intreadwrite.h #   define AV_COPY16U(d, s) AV_COPYU(16, d, s)
AV_COPYU          549 3rdparty/include/ffmpeg_/libavutil/intreadwrite.h #   define AV_COPY32U(d, s) AV_COPYU(32, d, s)
AV_COPYU          553 3rdparty/include/ffmpeg_/libavutil/intreadwrite.h #   define AV_COPY64U(d, s) AV_COPYU(64, d, s)