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1 /*
2  * Copyright (c) 2004-2005 Michael Niedermayer, Loren Merritt
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/attributes.h"
22 #include "libavutil/cpu.h"
23 #include "libavutil/x86/asm.h"
24 #include "libavutil/x86/cpu.h"
25 #include "libavcodec/h264dsp.h"
26 
27 /***********************************/
28 /* IDCT */
29 #define IDCT_ADD_FUNC(NUM, DEPTH, OPT)                                  \
30 void ff_h264_idct ## NUM ## _add_ ## DEPTH ## _ ## OPT(uint8_t *dst,    \
31                                                        int16_t *block,  \
32                                                        int stride);
33 
34 IDCT_ADD_FUNC(, 8, sse2)
35 IDCT_ADD_FUNC(, 8, avx)
36 IDCT_ADD_FUNC(, 10, sse2)
37 IDCT_ADD_FUNC(_dc, 8, sse2)
38 IDCT_ADD_FUNC(_dc, 8, avx)
39 IDCT_ADD_FUNC(_dc, 10, mmxext)
40 IDCT_ADD_FUNC(8_dc, 8, mmxext)
41 IDCT_ADD_FUNC(8_dc, 10, sse2)
42 IDCT_ADD_FUNC(8, 8, sse2)
43 IDCT_ADD_FUNC(8, 10, sse2)
44 IDCT_ADD_FUNC(, 10, avx)
45 IDCT_ADD_FUNC(8_dc, 10, avx)
46 IDCT_ADD_FUNC(8, 10, avx)
47 
48 
49 #define IDCT_ADD_REP_FUNC(NUM, REP, DEPTH, OPT)                         \
50 void ff_h264_idct ## NUM ## _add ## REP ## _ ## DEPTH ## _ ## OPT       \
51     (uint8_t *dst, const int *block_offset,                             \
52      int16_t *block, int stride, const uint8_t nnzc[5 * 8]);
53 
54 IDCT_ADD_REP_FUNC(8, 4, 8, sse2)
55 IDCT_ADD_REP_FUNC(8, 4, 10, sse2)
56 IDCT_ADD_REP_FUNC(8, 4, 10, avx)
57 IDCT_ADD_REP_FUNC(, 16, 8, sse2)
58 IDCT_ADD_REP_FUNC(, 16, 10, sse2)
59 IDCT_ADD_REP_FUNC(, 16intra, 8, sse2)
60 IDCT_ADD_REP_FUNC(, 16intra, 10, sse2)
61 IDCT_ADD_REP_FUNC(, 16, 10, avx)
62 IDCT_ADD_REP_FUNC(, 16intra, 10, avx)
63 
64 
65 #define IDCT_ADD_REP_FUNC2(NUM, REP, DEPTH, OPT)                      \
66 void ff_h264_idct ## NUM ## _add ## REP ## _ ## DEPTH ## _ ## OPT     \
67     (uint8_t **dst, const int *block_offset,                          \
68      int16_t *block, int stride, const uint8_t nnzc[15 * 8]);
69 
70 IDCT_ADD_REP_FUNC2(, 8, 8, sse2)
71 IDCT_ADD_REP_FUNC2(, 8, 10, sse2)
72 IDCT_ADD_REP_FUNC2(, 8, 10, avx)
73 
74 IDCT_ADD_REP_FUNC2(, 8_422, 8, mmx)
75 
76 IDCT_ADD_REP_FUNC2(, 8_422, 10, sse2)
77 IDCT_ADD_REP_FUNC2(, 8_422, 10, avx)
78 
79 void ff_h264_luma_dc_dequant_idct_sse2(int16_t *output, int16_t *input, int qmul);
80 
81 /***********************************/
82 /* deblocking */
83 
84 void ff_h264_loop_filter_strength_mmxext(int16_t bS[2][4][4], uint8_t nnz[40],
85                                          int8_t ref[2][40],
86                                          int16_t mv[2][40][2],
87                                          int bidir, int edges, int step,
88                                          int mask_mv0, int mask_mv1, int field);
89 
90 #define LF_FUNC(DIR, TYPE, DEPTH, OPT)                                        \
91 void ff_deblock_ ## DIR ## _ ## TYPE ## _ ## DEPTH ## _ ## OPT(uint8_t *pix,  \
92                                                                ptrdiff_t stride, \
93                                                                int alpha,     \
94                                                                int beta,      \
95                                                                int8_t *tc0);
96 #define LF_IFUNC(DIR, TYPE, DEPTH, OPT) \
97 void ff_deblock_ ## DIR ## _ ## TYPE ## _ ## DEPTH ## _ ## OPT(uint8_t *pix,  \
98                                                                ptrdiff_t stride, \
99                                                                int alpha,     \
100                                                                int beta);
101 
102 #define LF_FUNCS(type, depth)                   \
103 LF_FUNC(h,  luma,            depth, sse2)       \
104 LF_IFUNC(h, luma_intra,      depth, sse2)       \
105 LF_FUNC(v,  luma,            depth, sse2)       \
106 LF_IFUNC(v, luma_intra,      depth, sse2)       \
107 LF_FUNC(h,  chroma,          depth, sse2)       \
108 LF_IFUNC(h, chroma_intra,    depth, sse2)       \
109 LF_FUNC(h,  chroma422,       depth, sse2)       \
110 LF_IFUNC(h, chroma422_intra, depth, sse2)       \
111 LF_FUNC(v,  chroma,          depth, sse2)       \
112 LF_IFUNC(v, chroma_intra,    depth, sse2)       \
113 LF_FUNC(h,  luma,            depth, avx)        \
114 LF_IFUNC(h, luma_intra,      depth, avx)        \
115 LF_FUNC(v,  luma,            depth, avx)        \
116 LF_IFUNC(v, luma_intra,      depth, avx)        \
117 LF_FUNC(h,  chroma,          depth, avx)        \
118 LF_IFUNC(h, chroma_intra,    depth, avx)        \
119 LF_FUNC(h,  chroma422,       depth, avx)        \
120 LF_IFUNC(h, chroma422_intra, depth, avx)        \
121 LF_FUNC(v,  chroma,          depth, avx)        \
122 LF_IFUNC(v, chroma_intra,    depth, avx)
123 
124 LF_FUNC(h, luma_mbaff, 8, sse2)
125 LF_FUNC(h, luma_mbaff, 8, avx)
126 
127 LF_FUNCS(uint8_t,   8)
128 LF_FUNCS(uint16_t, 10)
129 
130 LF_FUNC(v,  luma,       10, mmxext)
131 LF_FUNC(h,  luma,       10, mmxext)
132 LF_IFUNC(v, luma_intra, 10, mmxext)
133 LF_IFUNC(h, luma_intra, 10, mmxext)
134 
135 /***********************************/
136 /* weighted prediction */
137 
138 #define H264_WEIGHT(W, OPT)                                             \
139 void ff_h264_weight_ ## W ## _ ## OPT(uint8_t *dst, ptrdiff_t stride,   \
140                                       int height, int log2_denom,       \
141                                       int weight, int offset);
142 
143 #define H264_BIWEIGHT(W, OPT)                                           \
144 void ff_h264_biweight_ ## W ## _ ## OPT(uint8_t *dst, uint8_t *src,     \
145                                         ptrdiff_t stride, int height,   \
146                                         int log2_denom, int weightd,    \
147                                         int weights, int offset);
148 
149 #define H264_BIWEIGHT_MMX(W)                    \
150     H264_WEIGHT(W, mmxext)                      \
151     H264_BIWEIGHT(W, mmxext)
152 
153 #define H264_BIWEIGHT_SSE(W)                    \
154     H264_WEIGHT(W, sse2)                        \
155     H264_BIWEIGHT(W, sse2)                      \
156     H264_BIWEIGHT(W, ssse3)
157 
158 H264_BIWEIGHT_SSE(16)
159 H264_BIWEIGHT_SSE(8)
160 H264_BIWEIGHT_MMX(4)
161 
162 #define H264_WEIGHT_10(W, DEPTH, OPT)                                   \
163 void ff_h264_weight_ ## W ## _ ## DEPTH ## _ ## OPT(uint8_t *dst,       \
164                                                     ptrdiff_t stride,   \
165                                                     int height,         \
166                                                     int log2_denom,     \
167                                                     int weight,         \
168                                                     int offset);
169 
170 #define H264_BIWEIGHT_10(W, DEPTH, OPT)                                 \
171 void ff_h264_biweight_ ## W ## _ ## DEPTH ## _ ## OPT(uint8_t *dst,     \
172                                                       uint8_t *src,     \
173                                                       ptrdiff_t stride, \
174                                                       int height,       \
175                                                       int log2_denom,   \
176                                                       int weightd,      \
177                                                       int weights,      \
178                                                       int offset);
179 
180 #define H264_BIWEIGHT_10_SSE(W, DEPTH)          \
181     H264_WEIGHT_10(W, DEPTH, sse2)              \
182     H264_WEIGHT_10(W, DEPTH, sse4)              \
183     H264_BIWEIGHT_10(W, DEPTH, sse2)            \
184     H264_BIWEIGHT_10(W, DEPTH, sse4)
185 
186 H264_BIWEIGHT_10_SSE(16, 10)
187 H264_BIWEIGHT_10_SSE(8,  10)
188 H264_BIWEIGHT_10_SSE(4,  10)
189 
ff_h264dsp_init_x86(H264DSPContext * c,const int bit_depth,const int chroma_format_idc)190 av_cold void ff_h264dsp_init_x86(H264DSPContext *c, const int bit_depth,
191                                  const int chroma_format_idc)
192 {
193 #if HAVE_X86ASM
194     int cpu_flags = av_get_cpu_flags();
195 
196     if (EXTERNAL_MMXEXT(cpu_flags) && chroma_format_idc <= 1)
197         c->h264_loop_filter_strength = ff_h264_loop_filter_strength_mmxext;
198 
199     if (bit_depth == 8) {
200         if (EXTERNAL_MMX(cpu_flags)) {
201             if (chroma_format_idc <= 1) {
202             } else {
203                 c->h264_idct_add8 = ff_h264_idct_add8_422_8_mmx;
204             }
205         }
206         if (EXTERNAL_MMXEXT(cpu_flags)) {
207             c->h264_idct8_dc_add = ff_h264_idct8_dc_add_8_mmxext;
208 
209             c->weight_h264_pixels_tab[2] = ff_h264_weight_4_mmxext;
210 
211             c->biweight_h264_pixels_tab[2] = ff_h264_biweight_4_mmxext;
212         }
213         if (EXTERNAL_SSE2(cpu_flags)) {
214             c->h264_idct8_add  = ff_h264_idct8_add_8_sse2;
215 
216             c->h264_idct_add16 = ff_h264_idct_add16_8_sse2;
217             c->h264_idct8_add4 = ff_h264_idct8_add4_8_sse2;
218             if (chroma_format_idc <= 1)
219                 c->h264_idct_add8 = ff_h264_idct_add8_8_sse2;
220             c->h264_idct_add16intra      = ff_h264_idct_add16intra_8_sse2;
221             c->h264_luma_dc_dequant_idct = ff_h264_luma_dc_dequant_idct_sse2;
222 
223             c->weight_h264_pixels_tab[0] = ff_h264_weight_16_sse2;
224             c->weight_h264_pixels_tab[1] = ff_h264_weight_8_sse2;
225 
226             c->biweight_h264_pixels_tab[0] = ff_h264_biweight_16_sse2;
227             c->biweight_h264_pixels_tab[1] = ff_h264_biweight_8_sse2;
228 
229             c->h264_v_loop_filter_luma       = ff_deblock_v_luma_8_sse2;
230             c->h264_h_loop_filter_luma       = ff_deblock_h_luma_8_sse2;
231             c->h264_v_loop_filter_luma_intra = ff_deblock_v_luma_intra_8_sse2;
232             c->h264_h_loop_filter_luma_intra = ff_deblock_h_luma_intra_8_sse2;
233 
234 #if ARCH_X86_64
235             c->h264_h_loop_filter_luma_mbaff = ff_deblock_h_luma_mbaff_8_sse2;
236 #endif
237 
238             c->h264_v_loop_filter_chroma       = ff_deblock_v_chroma_8_sse2;
239             c->h264_v_loop_filter_chroma_intra = ff_deblock_v_chroma_intra_8_sse2;
240             if (chroma_format_idc <= 1) {
241                 c->h264_h_loop_filter_chroma       = ff_deblock_h_chroma_8_sse2;
242                 c->h264_h_loop_filter_chroma_intra = ff_deblock_h_chroma_intra_8_sse2;
243             } else {
244                 c->h264_h_loop_filter_chroma       = ff_deblock_h_chroma422_8_sse2;
245                 c->h264_h_loop_filter_chroma_intra = ff_deblock_h_chroma422_intra_8_sse2;
246             }
247 
248             c->h264_idct_add        = ff_h264_idct_add_8_sse2;
249             c->h264_idct_dc_add     = ff_h264_idct_dc_add_8_sse2;
250         }
251         if (EXTERNAL_SSSE3(cpu_flags)) {
252             c->biweight_h264_pixels_tab[0] = ff_h264_biweight_16_ssse3;
253             c->biweight_h264_pixels_tab[1] = ff_h264_biweight_8_ssse3;
254         }
255         if (EXTERNAL_AVX(cpu_flags)) {
256             c->h264_v_loop_filter_luma       = ff_deblock_v_luma_8_avx;
257             c->h264_h_loop_filter_luma       = ff_deblock_h_luma_8_avx;
258             c->h264_v_loop_filter_luma_intra = ff_deblock_v_luma_intra_8_avx;
259             c->h264_h_loop_filter_luma_intra = ff_deblock_h_luma_intra_8_avx;
260 #if ARCH_X86_64
261             c->h264_h_loop_filter_luma_mbaff = ff_deblock_h_luma_mbaff_8_avx;
262 #endif
263 
264             c->h264_v_loop_filter_chroma       = ff_deblock_v_chroma_8_avx;
265             c->h264_v_loop_filter_chroma_intra = ff_deblock_v_chroma_intra_8_avx;
266             if (chroma_format_idc <= 1) {
267                 c->h264_h_loop_filter_chroma       = ff_deblock_h_chroma_8_avx;
268                 c->h264_h_loop_filter_chroma_intra = ff_deblock_h_chroma_intra_8_avx;
269             } else {
270                 c->h264_h_loop_filter_chroma       = ff_deblock_h_chroma422_8_avx;
271                 c->h264_h_loop_filter_chroma_intra = ff_deblock_h_chroma422_intra_8_avx;
272             }
273 
274             c->h264_idct_add        = ff_h264_idct_add_8_avx;
275             c->h264_idct_dc_add     = ff_h264_idct_dc_add_8_avx;
276         }
277     } else if (bit_depth == 10) {
278         if (EXTERNAL_MMXEXT(cpu_flags)) {
279 #if ARCH_X86_32 && !HAVE_ALIGNED_STACK
280             c->h264_v_loop_filter_luma         = ff_deblock_v_luma_10_mmxext;
281             c->h264_h_loop_filter_luma         = ff_deblock_h_luma_10_mmxext;
282             c->h264_v_loop_filter_luma_intra   = ff_deblock_v_luma_intra_10_mmxext;
283             c->h264_h_loop_filter_luma_intra   = ff_deblock_h_luma_intra_10_mmxext;
284 #endif /* ARCH_X86_32 && !HAVE_ALIGNED_STACK */
285             c->h264_idct_dc_add = ff_h264_idct_dc_add_10_mmxext;
286         }
287         if (EXTERNAL_SSE2(cpu_flags)) {
288             c->h264_idct_add     = ff_h264_idct_add_10_sse2;
289             c->h264_idct8_dc_add = ff_h264_idct8_dc_add_10_sse2;
290 
291             c->h264_idct_add16 = ff_h264_idct_add16_10_sse2;
292             if (chroma_format_idc <= 1) {
293                 c->h264_idct_add8 = ff_h264_idct_add8_10_sse2;
294             } else {
295                 c->h264_idct_add8 = ff_h264_idct_add8_422_10_sse2;
296             }
297             c->h264_idct_add16intra = ff_h264_idct_add16intra_10_sse2;
298 #if HAVE_ALIGNED_STACK
299             c->h264_idct8_add  = ff_h264_idct8_add_10_sse2;
300             c->h264_idct8_add4 = ff_h264_idct8_add4_10_sse2;
301 #endif /* HAVE_ALIGNED_STACK */
302 
303             c->weight_h264_pixels_tab[0] = ff_h264_weight_16_10_sse2;
304             c->weight_h264_pixels_tab[1] = ff_h264_weight_8_10_sse2;
305             c->weight_h264_pixels_tab[2] = ff_h264_weight_4_10_sse2;
306 
307             c->biweight_h264_pixels_tab[0] = ff_h264_biweight_16_10_sse2;
308             c->biweight_h264_pixels_tab[1] = ff_h264_biweight_8_10_sse2;
309             c->biweight_h264_pixels_tab[2] = ff_h264_biweight_4_10_sse2;
310 
311             c->h264_v_loop_filter_chroma       = ff_deblock_v_chroma_10_sse2;
312             c->h264_v_loop_filter_chroma_intra = ff_deblock_v_chroma_intra_10_sse2;
313             if (chroma_format_idc <= 1) {
314                 c->h264_h_loop_filter_chroma = ff_deblock_h_chroma_10_sse2;
315             } else {
316                 c->h264_h_loop_filter_chroma = ff_deblock_h_chroma422_10_sse2;
317             }
318 #if HAVE_ALIGNED_STACK
319             c->h264_v_loop_filter_luma       = ff_deblock_v_luma_10_sse2;
320             c->h264_h_loop_filter_luma       = ff_deblock_h_luma_10_sse2;
321             c->h264_v_loop_filter_luma_intra = ff_deblock_v_luma_intra_10_sse2;
322             c->h264_h_loop_filter_luma_intra = ff_deblock_h_luma_intra_10_sse2;
323 #endif /* HAVE_ALIGNED_STACK */
324         }
325         if (EXTERNAL_SSE4(cpu_flags)) {
326             c->weight_h264_pixels_tab[0] = ff_h264_weight_16_10_sse4;
327             c->weight_h264_pixels_tab[1] = ff_h264_weight_8_10_sse4;
328             c->weight_h264_pixels_tab[2] = ff_h264_weight_4_10_sse4;
329 
330             c->biweight_h264_pixels_tab[0] = ff_h264_biweight_16_10_sse4;
331             c->biweight_h264_pixels_tab[1] = ff_h264_biweight_8_10_sse4;
332             c->biweight_h264_pixels_tab[2] = ff_h264_biweight_4_10_sse4;
333         }
334         if (EXTERNAL_AVX(cpu_flags)) {
335             c->h264_idct_dc_add  =
336             c->h264_idct_add     = ff_h264_idct_add_10_avx;
337             c->h264_idct8_dc_add = ff_h264_idct8_dc_add_10_avx;
338 
339             c->h264_idct_add16 = ff_h264_idct_add16_10_avx;
340             if (chroma_format_idc <= 1) {
341                 c->h264_idct_add8 = ff_h264_idct_add8_10_avx;
342             } else {
343                 c->h264_idct_add8 = ff_h264_idct_add8_422_10_avx;
344             }
345             c->h264_idct_add16intra = ff_h264_idct_add16intra_10_avx;
346 #if HAVE_ALIGNED_STACK
347             c->h264_idct8_add  = ff_h264_idct8_add_10_avx;
348             c->h264_idct8_add4 = ff_h264_idct8_add4_10_avx;
349 #endif /* HAVE_ALIGNED_STACK */
350 
351             c->h264_v_loop_filter_chroma       = ff_deblock_v_chroma_10_avx;
352             c->h264_v_loop_filter_chroma_intra = ff_deblock_v_chroma_intra_10_avx;
353             if (chroma_format_idc <= 1) {
354                 c->h264_h_loop_filter_chroma = ff_deblock_h_chroma_10_avx;
355             } else {
356                 c->h264_h_loop_filter_chroma = ff_deblock_h_chroma422_10_avx;
357             }
358 #if HAVE_ALIGNED_STACK
359             c->h264_v_loop_filter_luma         = ff_deblock_v_luma_10_avx;
360             c->h264_h_loop_filter_luma         = ff_deblock_h_luma_10_avx;
361             c->h264_v_loop_filter_luma_intra   = ff_deblock_v_luma_intra_10_avx;
362             c->h264_h_loop_filter_luma_intra   = ff_deblock_h_luma_intra_10_avx;
363 #endif /* HAVE_ALIGNED_STACK */
364         }
365     }
366 #endif
367 }
368