dsputil: Split audio operations off into a separate context
[libav.git] / libavcodec / x86 / dsputil_init.c
1 /*
2 * This file is part of Libav.
3 *
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.
8 *
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.
13 *
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
17 */
18
19 #include "config.h"
20 #include "libavutil/attributes.h"
21 #include "libavutil/cpu.h"
22 #include "libavutil/x86/cpu.h"
23 #include "libavcodec/avcodec.h"
24 #include "libavcodec/dsputil.h"
25 #include "libavcodec/simple_idct.h"
26 #include "dsputil_x86.h"
27 #include "idct_xvid.h"
28
29 void ff_bswap32_buf_ssse3(uint32_t *dst, const uint32_t *src, int w);
30 void ff_bswap32_buf_sse2(uint32_t *dst, const uint32_t *src, int w);
31
32 static av_cold void dsputil_init_mmx(DSPContext *c, AVCodecContext *avctx,
33 int cpu_flags, unsigned high_bit_depth)
34 {
35 #if HAVE_MMX_INLINE
36 c->put_pixels_clamped = ff_put_pixels_clamped_mmx;
37 c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_mmx;
38 c->add_pixels_clamped = ff_add_pixels_clamped_mmx;
39
40 if (!high_bit_depth) {
41 c->draw_edges = ff_draw_edges_mmx;
42
43 switch (avctx->idct_algo) {
44 case FF_IDCT_AUTO:
45 case FF_IDCT_SIMPLEMMX:
46 c->idct_put = ff_simple_idct_put_mmx;
47 c->idct_add = ff_simple_idct_add_mmx;
48 c->idct = ff_simple_idct_mmx;
49 c->idct_permutation_type = FF_SIMPLE_IDCT_PERM;
50 break;
51 case FF_IDCT_XVIDMMX:
52 c->idct_put = ff_idct_xvid_mmx_put;
53 c->idct_add = ff_idct_xvid_mmx_add;
54 c->idct = ff_idct_xvid_mmx;
55 break;
56 }
57 }
58
59 c->gmc = ff_gmc_mmx;
60 #endif /* HAVE_MMX_INLINE */
61 }
62
63 static av_cold void dsputil_init_mmxext(DSPContext *c, AVCodecContext *avctx,
64 int cpu_flags, unsigned high_bit_depth)
65 {
66 #if HAVE_MMXEXT_INLINE
67 if (!high_bit_depth && avctx->idct_algo == FF_IDCT_XVIDMMX) {
68 c->idct_put = ff_idct_xvid_mmxext_put;
69 c->idct_add = ff_idct_xvid_mmxext_add;
70 c->idct = ff_idct_xvid_mmxext;
71 }
72 #endif /* HAVE_MMXEXT_INLINE */
73 }
74
75 static av_cold void dsputil_init_sse2(DSPContext *c, AVCodecContext *avctx,
76 int cpu_flags, unsigned high_bit_depth)
77 {
78 #if HAVE_SSE2_INLINE
79 if (!high_bit_depth && avctx->idct_algo == FF_IDCT_XVIDMMX) {
80 c->idct_put = ff_idct_xvid_sse2_put;
81 c->idct_add = ff_idct_xvid_sse2_add;
82 c->idct = ff_idct_xvid_sse2;
83 c->idct_permutation_type = FF_SSE2_IDCT_PERM;
84 }
85 #endif /* HAVE_SSE2_INLINE */
86
87 #if HAVE_SSE2_EXTERNAL
88 c->bswap_buf = ff_bswap32_buf_sse2;
89 #endif /* HAVE_SSE2_EXTERNAL */
90 }
91
92 static av_cold void dsputil_init_ssse3(DSPContext *c, AVCodecContext *avctx,
93 int cpu_flags, unsigned high_bit_depth)
94 {
95 #if HAVE_SSSE3_EXTERNAL
96 c->bswap_buf = ff_bswap32_buf_ssse3;
97 #endif /* HAVE_SSSE3_EXTERNAL */
98 }
99
100 av_cold void ff_dsputil_init_x86(DSPContext *c, AVCodecContext *avctx,
101 unsigned high_bit_depth)
102 {
103 int cpu_flags = av_get_cpu_flags();
104
105 if (X86_MMX(cpu_flags))
106 dsputil_init_mmx(c, avctx, cpu_flags, high_bit_depth);
107
108 if (X86_MMXEXT(cpu_flags))
109 dsputil_init_mmxext(c, avctx, cpu_flags, high_bit_depth);
110
111 if (X86_SSE2(cpu_flags))
112 dsputil_init_sse2(c, avctx, cpu_flags, high_bit_depth);
113
114 if (EXTERNAL_SSSE3(cpu_flags))
115 dsputil_init_ssse3(c, avctx, cpu_flags, high_bit_depth);
116
117 if (CONFIG_ENCODERS)
118 ff_dsputilenc_init_mmx(c, avctx, high_bit_depth);
119 }