1 /*
2 * This file is part of FFmpeg.
3 *
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.
8 *
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.
13 *
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
17 */
18
19 #include "config.h"
20
21 #include "libavutil/attributes.h"
22 #include "libavutil/cpu.h"
23 #include "libavutil/x86/cpu.h"
24 #include "libavcodec/idctdsp.h"
25 #include "libavcodec/xvididct.h"
26
27 #include "idctdsp.h"
28 #include "xvididct.h"
29
ff_xvid_idct_init_x86(IDCTDSPContext * c,AVCodecContext * avctx,unsigned high_bit_depth)30 av_cold void ff_xvid_idct_init_x86(IDCTDSPContext *c, AVCodecContext *avctx,
31 unsigned high_bit_depth)
32 {
33 int cpu_flags = av_get_cpu_flags();
34
35 if (high_bit_depth ||
36 !(avctx->idct_algo == FF_IDCT_AUTO ||
37 avctx->idct_algo == FF_IDCT_XVID))
38 return;
39
40 #if (HAVE_MMX_INLINE == 1)
41 if (INLINE_MMX(cpu_flags)) {
42 c->idct_put = ff_xvid_idct_mmx_put;
43 c->idct_add = ff_xvid_idct_mmx_add;
44 c->idct = ff_xvid_idct_mmx;
45 c->perm_type = FF_IDCT_PERM_NONE;
46 }
47 #endif
48
49 #if (HAVE_MMXEXT_INLINE == 1)
50 if (INLINE_MMXEXT(cpu_flags)) {
51 c->idct_put = ff_xvid_idct_mmxext_put;
52 c->idct_add = ff_xvid_idct_mmxext_add;
53 c->idct = ff_xvid_idct_mmxext;
54 c->perm_type = FF_IDCT_PERM_NONE;
55 }
56 #endif
57
58 #if (HAVE_SSE2_INLINE == 1)
59 if (INLINE_SSE2(cpu_flags)) {
60 c->idct_put = ff_xvid_idct_sse2_put;
61 c->idct_add = ff_xvid_idct_sse2_add;
62 c->idct = ff_xvid_idct_sse2;
63 c->perm_type = FF_IDCT_PERM_SSE2;
64 }
65 #endif
66 }
67