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1 | /* |
2 | * Copyright (c) 2009 David Conrad <lessen42@gmail.com> | |
3 | * | |
4 | * This file is part of FFmpeg. | |
5 | * | |
6 | * FFmpeg is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2.1 of the License, or (at your option) any later version. | |
10 | * | |
11 | * FFmpeg is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with FFmpeg; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <stdint.h> | |
22 | ||
23 | #include "libavutil/attributes.h" | |
24 | #include "libavutil/cpu.h" | |
25 | #include "libavutil/x86/cpu.h" | |
26 | #include "libavutil/x86/asm.h" | |
27 | #include "libavcodec/avcodec.h" | |
28 | #include "libavcodec/vp3dsp.h" | |
29 | #include "config.h" | |
30 | ||
31 | void ff_vp3_idct_put_mmx(uint8_t *dest, int line_size, int16_t *block); | |
32 | void ff_vp3_idct_add_mmx(uint8_t *dest, int line_size, int16_t *block); | |
33 | ||
34 | void ff_vp3_idct_put_sse2(uint8_t *dest, int line_size, int16_t *block); | |
35 | void ff_vp3_idct_add_sse2(uint8_t *dest, int line_size, int16_t *block); | |
36 | ||
37 | void ff_vp3_idct_dc_add_mmxext(uint8_t *dest, int line_size, | |
38 | int16_t *block); | |
39 | ||
40 | void ff_vp3_v_loop_filter_mmxext(uint8_t *src, int stride, | |
41 | int *bounding_values); | |
42 | void ff_vp3_h_loop_filter_mmxext(uint8_t *src, int stride, | |
43 | int *bounding_values); | |
44 | ||
45 | #if HAVE_MMX_INLINE | |
46 | ||
47 | #define MOVQ_BFE(regd) \ | |
48 | __asm__ volatile ( \ | |
49 | "pcmpeqd %%"#regd", %%"#regd" \n\t" \ | |
50 | "paddb %%"#regd", %%"#regd" \n\t" ::) | |
51 | ||
52 | #define PAVGBP_MMX_NO_RND(rega, regb, regr, regc, regd, regp) \ | |
53 | "movq "#rega", "#regr" \n\t" \ | |
54 | "movq "#regc", "#regp" \n\t" \ | |
55 | "pand "#regb", "#regr" \n\t" \ | |
56 | "pand "#regd", "#regp" \n\t" \ | |
57 | "pxor "#rega", "#regb" \n\t" \ | |
58 | "pxor "#regc", "#regd" \n\t" \ | |
59 | "pand %%mm6, "#regb" \n\t" \ | |
60 | "pand %%mm6, "#regd" \n\t" \ | |
61 | "psrlq $1, "#regb" \n\t" \ | |
62 | "psrlq $1, "#regd" \n\t" \ | |
63 | "paddb "#regb", "#regr" \n\t" \ | |
64 | "paddb "#regd", "#regp" \n\t" | |
65 | ||
66 | #if HAVE_6REGS | |
67 | static void put_vp_no_rnd_pixels8_l2_mmx(uint8_t *dst, const uint8_t *a, const uint8_t *b, ptrdiff_t stride, int h) | |
68 | { | |
69 | // START_TIMER | |
70 | MOVQ_BFE(mm6); | |
71 | __asm__ volatile( | |
72 | "1: \n\t" | |
73 | "movq (%1), %%mm0 \n\t" | |
74 | "movq (%2), %%mm1 \n\t" | |
75 | "movq (%1,%4), %%mm2 \n\t" | |
76 | "movq (%2,%4), %%mm3 \n\t" | |
77 | PAVGBP_MMX_NO_RND(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5) | |
78 | "movq %%mm4, (%3) \n\t" | |
79 | "movq %%mm5, (%3,%4) \n\t" | |
80 | ||
81 | "movq (%1,%4,2), %%mm0 \n\t" | |
82 | "movq (%2,%4,2), %%mm1 \n\t" | |
83 | "movq (%1,%5), %%mm2 \n\t" | |
84 | "movq (%2,%5), %%mm3 \n\t" | |
85 | "lea (%1,%4,4), %1 \n\t" | |
86 | "lea (%2,%4,4), %2 \n\t" | |
87 | PAVGBP_MMX_NO_RND(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5) | |
88 | "movq %%mm4, (%3,%4,2) \n\t" | |
89 | "movq %%mm5, (%3,%5) \n\t" | |
90 | "lea (%3,%4,4), %3 \n\t" | |
91 | "subl $4, %0 \n\t" | |
92 | "jnz 1b \n\t" | |
93 | :"+r"(h), "+r"(a), "+r"(b), "+r"(dst) | |
94 | :"r"((x86_reg)stride), "r"((x86_reg)3L*stride) | |
95 | :"memory"); | |
96 | // STOP_TIMER("put_vp_no_rnd_pixels8_l2_mmx") | |
97 | } | |
98 | #endif /*HAVE_6REGS */ | |
99 | #endif /* HAVE_MMX_INLINE */ | |
100 | ||
101 | av_cold void ff_vp3dsp_init_x86(VP3DSPContext *c, int flags) | |
102 | { | |
103 | int cpu_flags = av_get_cpu_flags(); | |
104 | ||
105 | #if HAVE_6REGS && HAVE_MMX_INLINE | |
106 | c->put_no_rnd_pixels_l2 = put_vp_no_rnd_pixels8_l2_mmx; | |
107 | #endif /* HAVE_6REGS && HAVE_MMX_INLINE */ | |
108 | ||
109 | #if ARCH_X86_32 | |
110 | if (EXTERNAL_MMX(cpu_flags)) { | |
111 | c->idct_put = ff_vp3_idct_put_mmx; | |
112 | c->idct_add = ff_vp3_idct_add_mmx; | |
113 | } | |
114 | #endif | |
115 | ||
116 | if (EXTERNAL_MMXEXT(cpu_flags)) { | |
117 | c->idct_dc_add = ff_vp3_idct_dc_add_mmxext; | |
118 | ||
119 | if (!(flags & CODEC_FLAG_BITEXACT)) { | |
120 | c->v_loop_filter = ff_vp3_v_loop_filter_mmxext; | |
121 | c->h_loop_filter = ff_vp3_h_loop_filter_mmxext; | |
122 | } | |
123 | } | |
124 | ||
125 | if (EXTERNAL_SSE2(cpu_flags)) { | |
126 | c->idct_put = ff_vp3_idct_put_sse2; | |
127 | c->idct_add = ff_vp3_idct_add_sse2; | |
128 | } | |
129 | } |