imgutils_init.c (1806B)
1 /* 2 * This file is part of FFmpeg. 3 * 4 * FFmpeg is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * FFmpeg is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with FFmpeg; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 19 #include <stddef.h> 20 #include <stdint.h> 21 22 #include "libavutil/cpu.h" 23 #include "libavutil/error.h" 24 #include "libavutil/imgutils_internal.h" 25 #include "libavutil/macros.h" 26 27 #include "cpu.h" 28 29 void ff_image_copy_plane_uc_from_sse4(uint8_t *dst, ptrdiff_t dst_linesize, 30 const uint8_t *src, ptrdiff_t src_linesize, 31 ptrdiff_t bytewidth, int height); 32 33 int ff_image_copy_plane_uc_from_x86(uint8_t *dst, ptrdiff_t dst_linesize, 34 const uint8_t *src, ptrdiff_t src_linesize, 35 ptrdiff_t bytewidth, int height) 36 { 37 int cpu_flags = av_get_cpu_flags(); 38 ptrdiff_t bw_aligned = FFALIGN(bytewidth, 64); 39 40 if (EXTERNAL_SSE4(cpu_flags) && 41 bw_aligned <= dst_linesize && bw_aligned <= src_linesize) 42 ff_image_copy_plane_uc_from_sse4(dst, dst_linesize, src, src_linesize, 43 bw_aligned, height); 44 else 45 return AVERROR(ENOSYS); 46 47 return 0; 48 }