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_sse2(uint8_t *, const uint16_t *, int, const int16_t *, int, int, int);
26 
27 void ff_add_dirac_obmc8_mmx(uint16_t *dst, const uint8_t *src, int stride, const uint8_t *obmc_weight, int yblen);
28 
29 void ff_add_dirac_obmc16_sse2(uint16_t *dst, const uint8_t *src, int stride, const uint8_t *obmc_weight, int yblen);
30 void ff_add_dirac_obmc32_sse2(uint16_t *dst, const uint8_t *src, int stride, const uint8_t *obmc_weight, int yblen);
31 
32 void ff_put_rect_clamped_sse2(uint8_t *dst, int dst_stride, const int16_t *src, int src_stride, int width, int height);
33 void ff_put_signed_rect_clamped_sse2(uint8_t *dst, int dst_stride, const int16_t *src, int src_stride, int width, int height);
34 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);
35 
36 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);
37 
38 #if HAVE_X86ASM
39 
40 #define HPEL_FILTER(MMSIZE, EXT)                                                             \
41     void ff_dirac_hpel_filter_v_ ## EXT(uint8_t *, const uint8_t *, int, int);               \
42     void ff_dirac_hpel_filter_h_ ## EXT(uint8_t *, const uint8_t *, int);                    \
43                                                                                              \
44     static void dirac_hpel_filter_ ## EXT(uint8_t *dsth, uint8_t *dstv, uint8_t *dstc,       \
45                                           const uint8_t *src, int stride, int width, int height)   \
46     {                                                                                        \
47         while( height-- )                                                                    \
48         {                                                                                    \
49             ff_dirac_hpel_filter_v_ ## EXT(dstv-MMSIZE, src-MMSIZE, stride, width+MMSIZE+5); \
50             ff_dirac_hpel_filter_h_ ## EXT(dsth, src, width);                                \
51             ff_dirac_hpel_filter_h_ ## EXT(dstc, dstv, width);                               \
52                                                                                              \
53             dsth += stride;                                                                  \
54             dstv += stride;                                                                  \
55             dstc += stride;                                                                  \
56             src  += stride;                                                                  \
57         }                                                                                    \
58     }
59 
60 #define PIXFUNC(PFX, IDX, EXT)                                                   \
61     /*MMXDISABLEDc->PFX ## _dirac_pixels_tab[0][IDX] = PFX ## _dirac_pixels8_ ## EXT;*/  \
62     c->PFX ## _dirac_pixels_tab[1][IDX] = PFX ## _dirac_pixels16_ ## EXT; \
63     c->PFX ## _dirac_pixels_tab[2][IDX] = PFX ## _dirac_pixels32_ ## EXT
64 
65 #define DIRAC_PIXOP(OPNAME, EXT)\
66 static void OPNAME ## _dirac_pixels16_ ## EXT(uint8_t *dst, const uint8_t *src[5], \
67                                               int stride, int h) \
68 {\
69     if (h&3)\
70         ff_ ## OPNAME ## _dirac_pixels16_c(dst, src, stride, h);\
71     else\
72         ff_ ## OPNAME ## _pixels16_ ## EXT(dst, src[0], stride, h);\
73 }\
74 static void OPNAME ## _dirac_pixels32_ ## EXT(uint8_t *dst, const uint8_t *src[5], \
75                                               int stride, int h) \
76 {\
77     if (h&3) {\
78         ff_ ## OPNAME ## _dirac_pixels32_c(dst, src, stride, h);\
79     } else {\
80         ff_ ## OPNAME ## _pixels16_ ## EXT(dst   , src[0]   , stride, h);\
81         ff_ ## OPNAME ## _pixels16_ ## EXT(dst+16, src[0]+16, stride, h);\
82     }\
83 }
84 
DIRAC_PIXOPnull85 DIRAC_PIXOP(put, sse2)
86 DIRAC_PIXOP(avg, sse2)
87 
88 HPEL_FILTER(16, sse2)
89 
90 #endif // HAVE_X86ASM
91 
92 void ff_diracdsp_init_x86(DiracDSPContext* c)
93 {
94 #if HAVE_X86ASM
95     int mm_flags = av_get_cpu_flags();
96 
97     if (EXTERNAL_MMX(mm_flags)) {
98         c->add_dirac_obmc[0] = ff_add_dirac_obmc8_mmx;
99     }
100 
101     if (EXTERNAL_SSE2(mm_flags)) {
102         c->dirac_hpel_filter = dirac_hpel_filter_sse2;
103         c->add_rect_clamped = ff_add_rect_clamped_sse2;
104         c->put_signed_rect_clamped[0] = (void *)ff_put_signed_rect_clamped_sse2;
105 
106         c->add_dirac_obmc[1] = ff_add_dirac_obmc16_sse2;
107         c->add_dirac_obmc[2] = ff_add_dirac_obmc32_sse2;
108 
109         c->put_dirac_pixels_tab[1][0] = put_dirac_pixels16_sse2;
110         c->avg_dirac_pixels_tab[1][0] = avg_dirac_pixels16_sse2;
111         c->put_dirac_pixels_tab[2][0] = put_dirac_pixels32_sse2;
112         c->avg_dirac_pixels_tab[2][0] = avg_dirac_pixels32_sse2;
113     }
114 
115     if (EXTERNAL_SSE4(mm_flags)) {
116         c->dequant_subband[1]         = ff_dequant_subband_32_sse4;
117         c->put_signed_rect_clamped[1] = ff_put_signed_rect_clamped_10_sse4;
118     }
119 #endif
120 }
121