2 * OpenEXR (.exr) image decoder
4 * This file is part of FFmpeg.
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.
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.
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
21 #include "libavutil/attributes.h"
22 #include "libavutil/x86/cpu.h"
23 #include "libavcodec/exrdsp.h"
25 void ff_reorder_pixels_sse2(uint8_t *dst, const uint8_t *src, ptrdiff_t size);
27 void ff_reorder_pixels_avx2(uint8_t *dst, const uint8_t *src, ptrdiff_t size);
29 void ff_predictor_ssse3(uint8_t *src, ptrdiff_t size);
31 void ff_predictor_avx(uint8_t *src, ptrdiff_t size);
33 void ff_predictor_avx2(uint8_t *src, ptrdiff_t size);
35 av_cold void ff_exrdsp_init_x86(ExrDSPContext *dsp)
37 int cpu_flags = av_get_cpu_flags();
39 if (EXTERNAL_SSE2(cpu_flags)) {
40 dsp->reorder_pixels = ff_reorder_pixels_sse2;
42 if (EXTERNAL_SSSE3(cpu_flags)) {
43 dsp->predictor = ff_predictor_ssse3;
45 if (EXTERNAL_AVX(cpu_flags)) {
46 dsp->predictor = ff_predictor_avx;
48 if (EXTERNAL_AVX2_FAST(cpu_flags)) {
49 dsp->reorder_pixels = ff_reorder_pixels_avx2;
50 dsp->predictor = ff_predictor_avx2;