| /* |
| * SIMD-optimized pixel operations |
| * |
| * 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/x86/cpu.h" |
| #include "libavcodec/pixblockdsp.h" |
| |
| void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, ptrdiff_t line_size); |
| void ff_get_pixels_sse2(int16_t *block, const uint8_t *pixels, ptrdiff_t line_size); |
| void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2, |
| int stride); |
| void ff_diff_pixels_sse2(int16_t *block, const uint8_t *s1, const uint8_t *s2, |
| int stride); |
| |
| av_cold void ff_pixblockdsp_init_x86(PixblockDSPContext *c, |
| AVCodecContext *avctx, |
| unsigned high_bit_depth) |
| { |
| int cpu_flags = av_get_cpu_flags(); |
| |
| if (EXTERNAL_MMX(cpu_flags)) { |
| if (!high_bit_depth) |
| c->get_pixels = ff_get_pixels_mmx; |
| c->diff_pixels = ff_diff_pixels_mmx; |
| } |
| |
| if (EXTERNAL_SSE2(cpu_flags)) { |
| if (!high_bit_depth) |
| c->get_pixels = ff_get_pixels_sse2; |
| c->diff_pixels = ff_diff_pixels_sse2; |
| } |
| } |