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1 /*
2  * Copyright (C) 2010 David Conrad
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 "libavutil/x86/cpu.h"
22 #include "libavcodec/diracdsp.h"
23 #include "fpel.h"
24 
25 void ff_add_rect_clamped_mmx(uint8_t *, const uint16_t *, int, const int16_t *, int, int, int);
26 void ff_add_rect_clamped_sse2(uint8_t *, const uint16_t *, int, const int16_t *, int, int, int);
27 
28 void ff_add_dirac_obmc8_mmx(uint16_t *dst, const uint8_t *src, int stride, const uint8_t *obmc_weight, int yblen);
29 void ff_add_dirac_obmc16_mmx(uint16_t *dst, const uint8_t *src, int stride, const uint8_t *obmc_weight, int yblen);
30 void ff_add_dirac_obmc32_mmx(uint16_t *dst, const uint8_t *src, int stride, const uint8_t *obmc_weight, int yblen);
31 
32 void ff_add_dirac_obmc16_sse2(uint16_t *dst, const uint8_t *src, int stride, const uint8_t *obmc_weight, int yblen);
33 void ff_add_dirac_obmc32_sse2(uint16_t *dst, const uint8_t *src, int stride, const uint8_t *obmc_weight, int yblen);
34 
35 void ff_put_rect_clamped_mmx(uint8_t *dst, int dst_stride, const int16_t *src, int src_stride, int width, int height);
36 void ff_put_rect_clamped_sse2(uint8_t *dst, int dst_stride, const int16_t *src, int src_stride, int width, int height);
37 void ff_put_signed_rect_clamped_mmx(uint8_t *dst, int dst_stride, const int16_t *src, int src_stride, int width, int height);
38 void ff_put_signed_rect_clamped_sse2(uint8_t *dst, int dst_stride, const int16_t *src, int src_stride, int width, int height);
39 void ff_put_signed_rect_clamped_10_sse4(uint8_t *dst, int dst_stride, const uint8_t *src, int src_stride, int width, int height);
40 
41 void ff_dequant_subband_32_sse4(uint8_t *src, uint8_t *dst, ptrdiff_t stride, const int qf, const int qs, int tot_v, int tot_h);
42 
43 #if HAVE_X86ASM
44 
45 #define HPEL_FILTER(MMSIZE, EXT)                                                             \
46     void ff_dirac_hpel_filter_v_ ## EXT(uint8_t *, const uint8_t *, int, int);               \
47     void ff_dirac_hpel_filter_h_ ## EXT(uint8_t *, const uint8_t *, int);                    \
48                                                                                              \
49     static void dirac_hpel_filter_ ## EXT(uint8_t *dsth, uint8_t *dstv, uint8_t *dstc,       \
50                                           const uint8_t *src, int stride, int width, int height)   \
51     {                                                                                        \
52         while( height-- )                                                                    \
53         {                                                                                    \
54             ff_dirac_hpel_filter_v_ ## EXT(dstv-MMSIZE, src-MMSIZE, stride, width+MMSIZE+5); \
55             ff_dirac_hpel_filter_h_ ## EXT(dsth, src, width);                                \
56             ff_dirac_hpel_filter_h_ ## EXT(dstc, dstv, width);                               \
57                                                                                              \
58             dsth += stride;                                                                  \
59             dstv += stride;                                                                  \
60             dstc += stride;                                                                  \
61             src  += stride;                                                                  \
62         }                                                                                    \
63     }
64 
65 #define PIXFUNC(PFX, IDX, EXT)                                                   \
66     /*MMXDISABLEDc->PFX ## _dirac_pixels_tab[0][IDX] = PFX ## _dirac_pixels8_ ## EXT;*/  \
67     c->PFX ## _dirac_pixels_tab[1][IDX] = PFX ## _dirac_pixels16_ ## EXT; \
68     c->PFX ## _dirac_pixels_tab[2][IDX] = PFX ## _dirac_pixels32_ ## EXT
69 
70 #define DIRAC_PIXOP(OPNAME, EXT)\
71 static void OPNAME ## _dirac_pixels16_ ## EXT(uint8_t *dst, const uint8_t *src[5], \
72                                               int stride, int h) \
73 {\
74     if (h&3)\
75         ff_ ## OPNAME ## _dirac_pixels16_c(dst, src, stride, h);\
76     else\
77         ff_ ## OPNAME ## _pixels16_ ## EXT(dst, src[0], stride, h);\
78 }\
79 static void OPNAME ## _dirac_pixels32_ ## EXT(uint8_t *dst, const uint8_t *src[5], \
80                                               int stride, int h) \
81 {\
82     if (h&3) {\
83         ff_ ## OPNAME ## _dirac_pixels32_c(dst, src, stride, h);\
84     } else {\
85         ff_ ## OPNAME ## _pixels16_ ## EXT(dst   , src[0]   , stride, h);\
86         ff_ ## OPNAME ## _pixels16_ ## EXT(dst+16, src[0]+16, stride, h);\
87     }\
88 }
89 
DIRAC_PIXOP(put,mmx)90 DIRAC_PIXOP(put, mmx)
91 DIRAC_PIXOP(avg, mmx)
92 DIRAC_PIXOP(avg, mmxext)
93 
94 DIRAC_PIXOP(put, sse2)
95 DIRAC_PIXOP(avg, sse2)
96 
97 #if !ARCH_X86_64
98 HPEL_FILTER(8, mmx)
99 #endif
100 HPEL_FILTER(16, sse2)
101 
102 #endif // HAVE_X86ASM
103 
104 void ff_diracdsp_init_x86(DiracDSPContext* c)
105 {
106 #if HAVE_X86ASM
107     int mm_flags = av_get_cpu_flags();
108 
109     if (EXTERNAL_MMX(mm_flags)) {
110         c->add_dirac_obmc[0] = ff_add_dirac_obmc8_mmx;
111 #if !ARCH_X86_64
112         c->add_dirac_obmc[1] = ff_add_dirac_obmc16_mmx;
113         c->add_dirac_obmc[2] = ff_add_dirac_obmc32_mmx;
114         c->dirac_hpel_filter = dirac_hpel_filter_mmx;
115         c->add_rect_clamped = ff_add_rect_clamped_mmx;
116         c->put_signed_rect_clamped[0] = (void *)ff_put_signed_rect_clamped_mmx;
117 #endif
118         PIXFUNC(put, 0, mmx);
119         PIXFUNC(avg, 0, mmx);
120     }
121 
122     if (EXTERNAL_MMXEXT(mm_flags)) {
123         PIXFUNC(avg, 0, mmxext);
124     }
125 
126     if (EXTERNAL_SSE2(mm_flags)) {
127         c->dirac_hpel_filter = dirac_hpel_filter_sse2;
128         c->add_rect_clamped = ff_add_rect_clamped_sse2;
129         c->put_signed_rect_clamped[0] = (void *)ff_put_signed_rect_clamped_sse2;
130 
131         c->add_dirac_obmc[1] = ff_add_dirac_obmc16_sse2;
132         c->add_dirac_obmc[2] = ff_add_dirac_obmc32_sse2;
133 
134         c->put_dirac_pixels_tab[1][0] = put_dirac_pixels16_sse2;
135         c->avg_dirac_pixels_tab[1][0] = avg_dirac_pixels16_sse2;
136         c->put_dirac_pixels_tab[2][0] = put_dirac_pixels32_sse2;
137         c->avg_dirac_pixels_tab[2][0] = avg_dirac_pixels32_sse2;
138     }
139 
140     if (EXTERNAL_SSE4(mm_flags)) {
141         c->dequant_subband[1]         = ff_dequant_subband_32_sse4;
142         c->put_signed_rect_clamped[1] = ff_put_signed_rect_clamped_10_sse4;
143     }
144 #endif
145 }
146