| 1 | /* |
| 2 | * SIMD-optimized pixel operations |
| 3 | * |
| 4 | * This file is part of FFmpeg. |
| 5 | * |
| 6 | * FFmpeg is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2.1 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * FFmpeg is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with FFmpeg; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | #include "libavutil/attributes.h" |
| 22 | #include "libavutil/cpu.h" |
| 23 | #include "libavutil/x86/cpu.h" |
| 24 | #include "libavcodec/pixblockdsp.h" |
| 25 | |
| 26 | void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, ptrdiff_t line_size); |
| 27 | void ff_get_pixels_sse2(int16_t *block, const uint8_t *pixels, ptrdiff_t line_size); |
| 28 | void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2, |
| 29 | int stride); |
| 30 | void ff_diff_pixels_sse2(int16_t *block, const uint8_t *s1, const uint8_t *s2, |
| 31 | int stride); |
| 32 | |
| 33 | av_cold void ff_pixblockdsp_init_x86(PixblockDSPContext *c, |
| 34 | AVCodecContext *avctx, |
| 35 | unsigned high_bit_depth) |
| 36 | { |
| 37 | int cpu_flags = av_get_cpu_flags(); |
| 38 | |
| 39 | if (EXTERNAL_MMX(cpu_flags)) { |
| 40 | if (!high_bit_depth) |
| 41 | c->get_pixels = ff_get_pixels_mmx; |
| 42 | c->diff_pixels = ff_diff_pixels_mmx; |
| 43 | } |
| 44 | |
| 45 | if (EXTERNAL_SSE2(cpu_flags)) { |
| 46 | if (!high_bit_depth) |
| 47 | c->get_pixels = ff_get_pixels_sse2; |
| 48 | c->diff_pixels = ff_diff_pixels_sse2; |
| 49 | } |
| 50 | } |