| /* |
| * Copyright (C) 2019 Paul B Mahol |
| * |
| * 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 "libavutil/attributes.h" |
| #include "libavutil/cpu.h" |
| #include "libavutil/mem.h" |
| #include "libavutil/x86/asm.h" |
| #include "libavutil/x86/cpu.h" |
| #include "libavfilter/transpose.h" |
| |
| void ff_transpose_8x8_8_sse2(uint8_t *src, |
| ptrdiff_t src_linesize, |
| uint8_t *dst, |
| ptrdiff_t dst_linesize); |
| |
| void ff_transpose_8x8_16_sse2(uint8_t *src, |
| ptrdiff_t src_linesize, |
| uint8_t *dst, |
| ptrdiff_t dst_linesize); |
| |
| av_cold void ff_transpose_init_x86(TransVtable *v, int pixstep) |
| { |
| int cpu_flags = av_get_cpu_flags(); |
| |
| if (EXTERNAL_SSE2(cpu_flags) && pixstep == 1) { |
| v->transpose_8x8 = ff_transpose_8x8_8_sse2; |
| } |
| |
| if (EXTERNAL_SSE2(cpu_flags) && pixstep == 2) { |
| v->transpose_8x8 = ff_transpose_8x8_16_sse2; |
| } |
| } |