| /* |
| * 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; |
| } |