FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/x86/rv40dsp_init.c
Date: 2026-04-22 18:56:46
Exec Total Coverage
Lines: 27 37 73.0%
Functions: 1 103 1.0%
Branches: 4 20 20.0%
Line Branch Exec Source
1 /*
2 * RV40 decoder motion compensation functions x86-optimised
3 * Copyright (c) 2008 Konstantin Shishkov
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 /**
23 * @file
24 * RV40 decoder motion compensation functions x86-optimised
25 * 2,0 and 0,2 have h264 equivalents.
26 * 3,3 is bugged in the rv40 format and maps to _xy2 version
27 */
28
29 #include "libavcodec/rv34dsp.h"
30 #include "libavutil/attributes.h"
31 #include "libavutil/mem_internal.h"
32 #include "libavutil/x86/cpu.h"
33 #include "hpeldsp.h"
34
35 #define DEFINE_FN(op, size, insn) \
36 static void op##_rv40_qpel##size##_mc33_##insn(uint8_t *dst, const uint8_t *src, \
37 ptrdiff_t stride) \
38 { \
39 ff_##op##_pixels##size##_xy2_##insn(dst, src, stride, size); \
40 }
41
42 #define DECLARE_WEIGHT(opt) \
43 void ff_rv40_weight_func_rnd_16_##opt(uint8_t *dst, uint8_t *src1, uint8_t *src2, \
44 int w1, int w2, ptrdiff_t stride); \
45 void ff_rv40_weight_func_rnd_8_##opt (uint8_t *dst, uint8_t *src1, uint8_t *src2, \
46 int w1, int w2, ptrdiff_t stride); \
47 void ff_rv40_weight_func_nornd_16_##opt(uint8_t *dst, uint8_t *src1, uint8_t *src2, \
48 int w1, int w2, ptrdiff_t stride); \
49 void ff_rv40_weight_func_nornd_8_##opt (uint8_t *dst, uint8_t *src1, uint8_t *src2, \
50 int w1, int w2, ptrdiff_t stride);
51 DECLARE_WEIGHT(sse2)
52 DECLARE_WEIGHT(ssse3)
53
54 /** @{ */
55 /**
56 * Define one qpel function.
57 * LOOPSIZE must be already set to the number of pixels processed per
58 * iteration in the inner loop of the called functions.
59 * COFF(x) must be already defined so as to provide the offset into any
60 * array of coeffs used by the called function for the qpel position x.
61 */
62 #define QPEL_FUNC_DECL(OP, SIZE, PH, PV, OPT) \
63 static void OP ## rv40_qpel ##SIZE ##_mc ##PH ##PV ##OPT(uint8_t *dst, \
64 const uint8_t *src, \
65 ptrdiff_t stride) \
66 { \
67 int i; \
68 if (PH && PV) { \
69 LOCAL_ALIGNED(16, uint8_t, tmp, [SIZE * (SIZE + 5)]); \
70 uint8_t *tmpptr = tmp + SIZE * 2; \
71 src -= stride * 2; \
72 \
73 for (i = 0; i < SIZE; i += LOOPSIZE) \
74 ff_put_rv40_qpel_h ##OPT(tmp + i, SIZE, src + i, stride, \
75 SIZE + 5, HCOFF(PH)); \
76 for (i = 0; i < SIZE; i += LOOPSIZE) \
77 ff_ ##OP ##rv40_qpel_v ##OPT(dst + i, stride, tmpptr + i, \
78 SIZE, SIZE, VCOFF(PV)); \
79 } else if (PV) { \
80 for (i = 0; i < SIZE; i += LOOPSIZE) \
81 ff_ ##OP ##rv40_qpel_v ## OPT(dst + i, stride, src + i, \
82 stride, SIZE, VCOFF(PV)); \
83 } else { \
84 for (i = 0; i < SIZE; i += LOOPSIZE) \
85 ff_ ##OP ##rv40_qpel_h ## OPT(dst + i, stride, src + i, \
86 stride, SIZE, HCOFF(PH)); \
87 } \
88 }
89
90 /** Declare functions for sizes 8 and 16 and given operations
91 * and qpel position. */
92 #define QPEL_FUNCS_DECL(OP, PH, PV, OPT) \
93 QPEL_FUNC_DECL(OP, 8, PH, PV, OPT) \
94 QPEL_FUNC_DECL(OP, 16, PH, PV, OPT)
95
96 /** Declare all functions for all sizes and qpel positions */
97 #define QPEL_MC_DECL(OP, OPT) \
98 void ff_ ##OP ##rv40_qpel_h ##OPT(uint8_t *dst, ptrdiff_t dstStride, \
99 const uint8_t *src, \
100 ptrdiff_t srcStride, \
101 int len, int m); \
102 void ff_ ##OP ##rv40_qpel_v ##OPT(uint8_t *dst, ptrdiff_t dstStride, \
103 const uint8_t *src, \
104 ptrdiff_t srcStride, \
105 int len, int m); \
106 QPEL_FUNCS_DECL(OP, 0, 1, OPT) \
107 QPEL_FUNCS_DECL(OP, 0, 3, OPT) \
108 QPEL_FUNCS_DECL(OP, 1, 0, OPT) \
109 QPEL_FUNCS_DECL(OP, 1, 1, OPT) \
110 QPEL_FUNCS_DECL(OP, 1, 2, OPT) \
111 QPEL_FUNCS_DECL(OP, 1, 3, OPT) \
112 QPEL_FUNCS_DECL(OP, 2, 1, OPT) \
113 QPEL_FUNCS_DECL(OP, 2, 2, OPT) \
114 QPEL_FUNCS_DECL(OP, 2, 3, OPT) \
115 QPEL_FUNCS_DECL(OP, 3, 0, OPT) \
116 QPEL_FUNCS_DECL(OP, 3, 1, OPT) \
117 QPEL_FUNCS_DECL(OP, 3, 2, OPT)
118 /** @} */
119
120 #define LOOPSIZE 8
121 #define HCOFF(x) (32 * ((x) - 1))
122 #define VCOFF(x) (32 * ((x) - 1))
123 ✗ QPEL_MC_DECL(put_, _ssse3)
124 ✗ QPEL_MC_DECL(avg_, _ssse3)
125
126 #undef LOOPSIZE
127 #undef HCOFF
128 #undef VCOFF
129 #define LOOPSIZE 8
130 #define HCOFF(x) (64 * ((x) - 1))
131 #define VCOFF(x) (64 * ((x) - 1))
132 ✗ QPEL_MC_DECL(put_, _sse2)
133 ✗ QPEL_MC_DECL(avg_, _sse2)
134
135 /** @{ */
136 /** Set one function */
137 #define QPEL_FUNC_SET(OP, SIZE, PH, PV, OPT) \
138 c-> OP ## pixels_tab[2 - SIZE / 8][4 * PV + PH] = OP ## rv40_qpel ##SIZE ## _mc ##PH ##PV ##OPT;
139
140 /** Set functions put and avg for sizes 8 and 16 and a given qpel position */
141 #define QPEL_FUNCS_SET(OP, PH, PV, OPT) \
142 QPEL_FUNC_SET(OP, 8, PH, PV, OPT) \
143 QPEL_FUNC_SET(OP, 16, PH, PV, OPT)
144
145 /** Set all functions for all sizes and qpel positions */
146 #define QPEL_MC_SET(OP, OPT) \
147 QPEL_FUNCS_SET (OP, 0, 1, OPT) \
148 QPEL_FUNCS_SET (OP, 0, 3, OPT) \
149 QPEL_FUNCS_SET (OP, 1, 0, OPT) \
150 QPEL_FUNCS_SET (OP, 1, 1, OPT) \
151 QPEL_FUNCS_SET (OP, 1, 2, OPT) \
152 QPEL_FUNCS_SET (OP, 1, 3, OPT) \
153 QPEL_FUNCS_SET (OP, 2, 1, OPT) \
154 QPEL_FUNCS_SET (OP, 2, 2, OPT) \
155 QPEL_FUNCS_SET (OP, 2, 3, OPT) \
156 QPEL_FUNCS_SET (OP, 3, 0, OPT) \
157 QPEL_FUNCS_SET (OP, 3, 1, OPT) \
158 QPEL_FUNCS_SET (OP, 3, 2, OPT)
159 /** @} */
160
161 ✗ DEFINE_FN(put, 8, ssse3)
162
163 ✗ DEFINE_FN(put, 16, sse2)
164 ✗ DEFINE_FN(put, 16, ssse3)
165
166 ✗ DEFINE_FN(avg, 8, ssse3)
167
168 ✗ DEFINE_FN(avg, 16, sse2)
169 ✗ DEFINE_FN(avg, 16, ssse3)
170
171 #define CHROMA_MC_FUNC(OP, SIZE, XMM) \
172 void ff_rv40_ ## OP ## _chroma_mc ## SIZE ## _ ## XMM(uint8_t *dst, const uint8_t *src, \
173 ptrdiff_t stride, int h, int x, int y);\
174 c->OP ## _chroma_pixels_tab[SIZE == 4] = ff_rv40_ ## OP ## _chroma_mc ## SIZE ## _ ## XMM
175
176 18 av_cold void ff_rv40dsp_init_x86(RV34DSPContext *c)
177 {
178 18 av_unused int cpu_flags = av_get_cpu_flags();
179
180
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 18 if (EXTERNAL_SSE2(cpu_flags)) {
181 10 c->put_pixels_tab[0][15] = put_rv40_qpel16_mc33_sse2;
182 10 c->avg_pixels_tab[0][15] = avg_rv40_qpel16_mc33_sse2;
183 10 c->rv40_weight_pixels_tab[0][0] = ff_rv40_weight_func_rnd_16_sse2;
184 10 c->rv40_weight_pixels_tab[0][1] = ff_rv40_weight_func_rnd_8_sse2;
185 10 c->rv40_weight_pixels_tab[1][0] = ff_rv40_weight_func_nornd_16_sse2;
186 10 c->rv40_weight_pixels_tab[1][1] = ff_rv40_weight_func_nornd_8_sse2;
187 10 QPEL_MC_SET(put_, _sse2)
188 10 QPEL_MC_SET(avg_, _sse2)
189 }
190
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 18 if (EXTERNAL_SSSE3(cpu_flags)) {
191 8 CHROMA_MC_FUNC(put, 8, ssse3);
192 8 CHROMA_MC_FUNC(put, 4, ssse3);
193 8 CHROMA_MC_FUNC(avg, 8, ssse3);
194 8 CHROMA_MC_FUNC(avg, 4, ssse3);
195 8 c->put_pixels_tab[0][15] = put_rv40_qpel16_mc33_ssse3;
196 8 c->put_pixels_tab[1][15] = put_rv40_qpel8_mc33_ssse3;
197 8 c->avg_pixels_tab[0][15] = avg_rv40_qpel16_mc33_ssse3;
198 8 c->avg_pixels_tab[1][15] = avg_rv40_qpel8_mc33_ssse3;
199 8 c->rv40_weight_pixels_tab[0][0] = ff_rv40_weight_func_rnd_16_ssse3;
200 8 c->rv40_weight_pixels_tab[0][1] = ff_rv40_weight_func_rnd_8_ssse3;
201 8 c->rv40_weight_pixels_tab[1][0] = ff_rv40_weight_func_nornd_16_ssse3;
202 8 c->rv40_weight_pixels_tab[1][1] = ff_rv40_weight_func_nornd_8_ssse3;
203 8 QPEL_MC_SET(put_, _ssse3)
204 8 QPEL_MC_SET(avg_, _ssse3)
205 }
206 18 }
207