AV_COPY 574 3rdparty/include/ffmpeg_/libavutil/intreadwrite.h # define AV_COPY16(d, s) AV_COPY(16, d, s) AV_COPY 578 3rdparty/include/ffmpeg_/libavutil/intreadwrite.h # define AV_COPY32(d, s) AV_COPY(32, d, s) AV_COPY 582 3rdparty/include/ffmpeg_/libavutil/intreadwrite.h # define AV_COPY64(d, s) AV_COPY(64, d, s)