2 * SIMD optimized JPEG 2000 DSP functions
3 * Copyright (c) 2015 James Almer
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 #include "libavutil/attributes.h"
23 #include "libavutil/cpu.h"
24 #include "libavutil/x86/cpu.h"
25 #include "libavcodec/jpeg2000dsp.h"
27 void ff_ict_float_sse(void *src0, void *src1, void *src2, int csize);
28 void ff_ict_float_avx(void *src0, void *src1, void *src2, int csize);
29 void ff_rct_int_sse2 (void *src0, void *src1, void *src2, int csize);
30 void ff_rct_int_avx2 (void *src0, void *src1, void *src2, int csize);
32 av_cold void ff_jpeg2000dsp_init_x86(Jpeg2000DSPContext *c)
34 int cpu_flags = av_get_cpu_flags();
35 if (EXTERNAL_SSE(cpu_flags)) {
36 c->mct_decode[FF_DWT97] = ff_ict_float_sse;
39 if (EXTERNAL_SSE2(cpu_flags)) {
40 c->mct_decode[FF_DWT53] = ff_rct_int_sse2;
43 if (EXTERNAL_AVX_FAST(cpu_flags)) {
44 c->mct_decode[FF_DWT97] = ff_ict_float_avx;
47 if (EXTERNAL_AVX2(cpu_flags)) {
48 c->mct_decode[FF_DWT53] = ff_rct_int_avx2;