/* * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include <stddef.h> #include <stdint.h> #include "libavutil/cpu.h" #include "libavutil/error.h" #include "libavutil/imgutils.h" #include "libavutil/imgutils_internal.h" #include "libavutil/internal.h" #include "cpu.h" void ff_image_copy_plane_uc_from_sse4(uint8_t *dst, ptrdiff_t dst_linesize, const uint8_t *src, ptrdiff_t src_linesize, ptrdiff_t bytewidth, int height); int ff_image_copy_plane_uc_from_x86(uint8_t *dst, ptrdiff_t dst_linesize, const uint8_t *src, ptrdiff_t src_linesize, ptrdiff_t bytewidth, int height) { int cpu_flags = av_get_cpu_flags(); ptrdiff_t bw_aligned = FFALIGN(bytewidth, 64); if (EXTERNAL_SSE4(cpu_flags) && bw_aligned <= dst_linesize && bw_aligned <= src_linesize) ff_image_copy_plane_uc_from_sse4(dst, dst_linesize, src, src_linesize, bw_aligned, height); else return AVERROR(ENOSYS); return 0; }