2 * This file is part of Libav.
4 * Libav is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * Libav is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #include "libavutil/attributes.h"
22 #include "libavutil/cpu.h"
23 #include "libavutil/x86/cpu.h"
24 #include "libavcodec/avcodec.h"
25 #include "libavcodec/vp3dsp.h"
28 void ff_vp3_idct_put_mmx(uint8_t *dest, int line_size, DCTELEM *block);
29 void ff_vp3_idct_add_mmx(uint8_t *dest, int line_size, DCTELEM *block);
31 void ff_vp3_idct_put_sse2(uint8_t *dest, int line_size, DCTELEM *block);
32 void ff_vp3_idct_add_sse2(uint8_t *dest, int line_size, DCTELEM *block);
34 void ff_vp3_idct_dc_add_mmxext(uint8_t *dest, int line_size,
35 const DCTELEM *block);
37 void ff_vp3_v_loop_filter_mmxext(uint8_t *src, int stride,
38 int *bounding_values);
39 void ff_vp3_h_loop_filter_mmxext(uint8_t *src, int stride,
40 int *bounding_values);
42 av_cold void ff_vp3dsp_init_x86(VP3DSPContext *c, int flags)
44 int cpuflags = av_get_cpu_flags();
47 if (EXTERNAL_MMX(cpuflags)) {
48 c->idct_put = ff_vp3_idct_put_mmx;
49 c->idct_add = ff_vp3_idct_add_mmx;
50 c->idct_perm = FF_PARTTRANS_IDCT_PERM;
54 if (EXTERNAL_MMXEXT(cpuflags)) {
55 c->idct_dc_add = ff_vp3_idct_dc_add_mmxext;
57 if (!(flags & CODEC_FLAG_BITEXACT)) {
58 c->v_loop_filter = ff_vp3_v_loop_filter_mmxext;
59 c->h_loop_filter = ff_vp3_h_loop_filter_mmxext;
63 if (EXTERNAL_SSE2(cpuflags)) {
64 c->idct_put = ff_vp3_idct_put_sse2;
65 c->idct_add = ff_vp3_idct_add_sse2;
66 c->idct_perm = FF_TRANSPOSE_IDCT_PERM;