2 * This file is part of FFmpeg.
4 * FFmpeg 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 * FFmpeg 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 FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 #include "libavutil/attributes.h"
21 #include "libavutil/cpu.h"
22 #include "libavutil/x86/cpu.h"
23 #include "libavcodec/idctdsp.h"
24 #include "libavcodec/xvididct.h"
29 av_cold
void ff_xvid_idct_init_x86(IDCTDSPContext
*c
, AVCodecContext
*avctx
,
30 unsigned high_bit_depth
)
32 int cpu_flags
= av_get_cpu_flags();
35 !(avctx
->idct_algo
== FF_IDCT_AUTO
||
36 avctx
->idct_algo
== FF_IDCT_XVID
))
39 if (INLINE_MMX(cpu_flags
)) {
40 c
->idct_put
= ff_xvid_idct_mmx_put
;
41 c
->idct_add
= ff_xvid_idct_mmx_add
;
42 c
->idct
= ff_xvid_idct_mmx
;
43 c
->perm_type
= FF_IDCT_PERM_NONE
;
46 if (INLINE_MMXEXT(cpu_flags
)) {
47 c
->idct_put
= ff_xvid_idct_mmxext_put
;
48 c
->idct_add
= ff_xvid_idct_mmxext_add
;
49 c
->idct
= ff_xvid_idct_mmxext
;
50 c
->perm_type
= FF_IDCT_PERM_NONE
;
53 if (INLINE_SSE2(cpu_flags
)) {
54 c
->idct_put
= ff_xvid_idct_sse2_put
;
55 c
->idct_add
= ff_xvid_idct_sse2_add
;
56 c
->idct
= ff_xvid_idct_sse2
;
57 c
->perm_type
= FF_IDCT_PERM_SSE2
;