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
30 #include "config.h"
31
32 void ff_vp3_idct_put_mmx(uint8_t *dest, int line_size, int16_t *block);
33 void ff_vp3_idct_add_mmx(uint8_t *dest, int line_size, int16_t *block);
34
35 void ff_vp3_idct_put_sse2(uint8_t *dest, int line_size, int16_t *block);
36 void ff_vp3_idct_add_sse2(uint8_t *dest, int line_size, int16_t *block);
37
38 void ff_vp3_idct_dc_add_mmxext(uint8_t *dest, int line_size,
39 int16_t *block);
40
41 void ff_vp3_v_loop_filter_mmxext(uint8_t *src, int stride,
42 int *bounding_values);
43 void ff_vp3_h_loop_filter_mmxext(uint8_t *src, int stride,
44 int *bounding_values);
45
46 #if HAVE_MMX_INLINE
47
48 #define MOVQ_BFE(regd) \
49 __asm__ volatile ( \
50 "pcmpeqd %%"#regd", %%"#regd" \n\t" \
51 "paddb %%"#regd", %%"#regd" \n\t" ::)
52
53 #define PAVGBP_MMX_NO_RND(rega, regb, regr, regc, regd, regp) \
54 "movq "#rega", "#regr" \n\t" \
55 "movq "#regc", "#regp" \n\t" \
56 "pand "#regb", "#regr" \n\t" \
57 "pand "#regd", "#regp" \n\t" \
58 "pxor "#rega", "#regb" \n\t" \
59 "pxor "#regc", "#regd" \n\t" \
60 "pand %%mm6, "#regb" \n\t" \
61 "pand %%mm6, "#regd" \n\t" \
62 "psrlq $1, "#regb" \n\t" \
63 "psrlq $1, "#regd" \n\t" \
64 "paddb "#regb", "#regr" \n\t" \
65 "paddb "#regd", "#regp" \n\t"
66
67 #if HAVE_6REGS
put_vp_no_rnd_pixels8_l2_mmx(uint8_t * dst,const uint8_t * a,const uint8_t * b,ptrdiff_t stride,int h)68 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)
69 {
70 // START_TIMER
71 MOVQ_BFE(mm6);
72 __asm__ volatile(
73 "1: \n\t"
74 "movq (%1), %%mm0 \n\t"
75 "movq (%2), %%mm1 \n\t"
76 "movq (%1,%4), %%mm2 \n\t"
77 "movq (%2,%4), %%mm3 \n\t"
78 PAVGBP_MMX_NO_RND(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
79 "movq %%mm4, (%3) \n\t"
80 "movq %%mm5, (%3,%4) \n\t"
81
82 "movq (%1,%4,2), %%mm0 \n\t"
83 "movq (%2,%4,2), %%mm1 \n\t"
84 "movq (%1,%5), %%mm2 \n\t"
85 "movq (%2,%5), %%mm3 \n\t"
86 "lea (%1,%4,4), %1 \n\t"
87 "lea (%2,%4,4), %2 \n\t"
88 PAVGBP_MMX_NO_RND(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
89 "movq %%mm4, (%3,%4,2) \n\t"
90 "movq %%mm5, (%3,%5) \n\t"
91 "lea (%3,%4,4), %3 \n\t"
92 "subl $4, %0 \n\t"
93 "jnz 1b \n\t"
94 :"+r"(h), "+r"(a), "+r"(b), "+r"(dst)
95 :"r"((x86_reg)stride), "r"((x86_reg)3L*stride)
96 :"memory");
97 // STOP_TIMER("put_vp_no_rnd_pixels8_l2_mmx")
98 }
99 #endif /*HAVE_6REGS */
100 #endif /* HAVE_MMX_INLINE */
101
ff_vp3dsp_init_x86(VP3DSPContext * c,int flags)102 av_cold void ff_vp3dsp_init_x86(VP3DSPContext *c, int flags)
103 {
104 int cpu_flags = av_get_cpu_flags();
105
106 #if HAVE_6REGS && HAVE_MMX_INLINE
107 c->put_no_rnd_pixels_l2 = put_vp_no_rnd_pixels8_l2_mmx;
108 #endif /* HAVE_6REGS && HAVE_MMX_INLINE */
109
110 #if ARCH_X86_32
111 #if (HAVE_MMX_EXTERNAL == 1)
112 if (EXTERNAL_MMX(cpu_flags)) {
113 c->idct_put = ff_vp3_idct_put_mmx;
114 c->idct_add = ff_vp3_idct_add_mmx;
115 }
116 #endif
117 #endif
118
119 #if (HAVE_MMXEXT_EXTERNAL == 1)
120 if (EXTERNAL_MMXEXT(cpu_flags)) {
121 c->idct_dc_add = ff_vp3_idct_dc_add_mmxext;
122
123 if (!(flags & CODEC_FLAG_BITEXACT)) {
124 c->v_loop_filter = ff_vp3_v_loop_filter_mmxext;
125 c->h_loop_filter = ff_vp3_h_loop_filter_mmxext;
126 }
127 }
128 #endif
129
130 #if (HAVE_SSE2_EXTERNAL == 1)
131 if (EXTERNAL_SSE2(cpu_flags)) {
132 c->idct_put = ff_vp3_idct_put_sse2;
133 c->idct_add = ff_vp3_idct_add_sse2;
134 }
135 #endif
136 }
137