2 * Copyright (c) 2009 David Conrad <lessen42@gmail.com>
4 * This file is part of FFmpeg.
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.
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.
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
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"
31 void ff_vp3_idct_put_mmx(uint8_t *dest, int line_size, DCTELEM *block);
32 void ff_vp3_idct_add_mmx(uint8_t *dest, int line_size, DCTELEM *block);
34 void ff_vp3_idct_put_sse2(uint8_t *dest, int line_size, DCTELEM *block);
35 void ff_vp3_idct_add_sse2(uint8_t *dest, int line_size, DCTELEM *block);
37 void ff_vp3_idct_dc_add_mmxext(uint8_t *dest, int line_size,
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);
47 #define MOVQ_BFE(regd) \
49 "pcmpeqd %%"#regd", %%"#regd" \n\t" \
50 "paddb %%"#regd", %%"#regd" \n\t" ::)
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"
66 static void put_vp_no_rnd_pixels8_l2_mmx(uint8_t *dst, const uint8_t *a, const uint8_t *b, int stride, int h)
72 "movq (%1), %%mm0 \n\t"
73 "movq (%2), %%mm1 \n\t"
74 "movq (%1,%4), %%mm2 \n\t"
75 "movq (%2,%4), %%mm3 \n\t"
76 PAVGBP_MMX_NO_RND(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
77 "movq %%mm4, (%3) \n\t"
78 "movq %%mm5, (%3,%4) \n\t"
80 "movq (%1,%4,2), %%mm0 \n\t"
81 "movq (%2,%4,2), %%mm1 \n\t"
82 "movq (%1,%5), %%mm2 \n\t"
83 "movq (%2,%5), %%mm3 \n\t"
84 "lea (%1,%4,4), %1 \n\t"
85 "lea (%2,%4,4), %2 \n\t"
86 PAVGBP_MMX_NO_RND(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
87 "movq %%mm4, (%3,%4,2) \n\t"
88 "movq %%mm5, (%3,%5) \n\t"
89 "lea (%3,%4,4), %3 \n\t"
92 :"+r"(h), "+r"(a), "+r"(b), "+r"(dst)
93 :"r"((x86_reg)stride), "r"((x86_reg)3L*stride)
95 // STOP_TIMER("put_vp_no_rnd_pixels8_l2_mmx")
97 #endif /* HAVE_INLINE_ASM */
99 av_cold void ff_vp3dsp_init_x86(VP3DSPContext *c, int flags)
101 int cpuflags = av_get_cpu_flags();
104 c->put_no_rnd_pixels_l2 = put_vp_no_rnd_pixels8_l2_mmx;
105 #endif /* HAVE_INLINE_ASM */
108 if (EXTERNAL_MMX(cpuflags)) {
109 c->idct_put = ff_vp3_idct_put_mmx;
110 c->idct_add = ff_vp3_idct_add_mmx;
111 c->idct_perm = FF_PARTTRANS_IDCT_PERM;
115 if (EXTERNAL_MMXEXT(cpuflags)) {
116 c->idct_dc_add = ff_vp3_idct_dc_add_mmxext;
118 if (!(flags & CODEC_FLAG_BITEXACT)) {
119 c->v_loop_filter = ff_vp3_v_loop_filter_mmxext;
120 c->h_loop_filter = ff_vp3_h_loop_filter_mmxext;
124 if (EXTERNAL_SSE2(cpuflags)) {
125 c->idct_put = ff_vp3_idct_put_sse2;
126 c->idct_add = ff_vp3_idct_add_sse2;
127 c->idct_perm = FF_TRANSPOSE_IDCT_PERM;