/* * SIMD-optimized pixel operations * * This file is part of Libav. * * Libav 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. * * Libav 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 Libav; 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, int line_size); void ff_get_pixels_sse2(int16_t *block, const uint8_t *pixels, int line_size); void ff_diff_pixels_mmx(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; } }