FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/tests/x86/dct.c
Date: 2022-11-28 23:49:43
Exec Total Coverage
Lines: 9 13 69.2%
Branches: 12 15 80.0%

Line Branch Exec Source
1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include "config.h"
20 #include "config_components.h"
21
22 #include "libavutil/cpu.h"
23 #include "libavutil/mem_internal.h"
24
25 #include "libavcodec/x86/fdct.h"
26 #include "libavcodec/x86/xvididct.h"
27 #include "libavcodec/x86/simple_idct.h"
28
29 #if (CONFIG_PRORES_DECODER || CONFIG_PRORES_LGPL_DECODER) && ARCH_X86_64 && HAVE_X86ASM
30 void ff_prores_idct_put_10_sse2(uint16_t *dst, int linesize,
31 int16_t *block, int16_t *qmat);
32
33 #define PR_WRAP(INSN) \
34 static void ff_prores_idct_put_10_##INSN##_wrap(int16_t *dst){ \
35 LOCAL_ALIGNED(16, int16_t, qmat, [64]); \
36 LOCAL_ALIGNED(16, int16_t, tmp, [64]); \
37 int i; \
38 \
39 for(i=0; i<64; i++){ \
40 qmat[i]=4; \
41 tmp[i]= dst[i]; \
42 } \
43 ff_prores_idct_put_10_##INSN (dst, 16, tmp, qmat); \
44 \
45 for(i=0; i<64; i++) { \
46 dst[i] -= 512; \
47 } \
48 }
49
50
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7740000 PR_WRAP(sse2)
51
52 # if HAVE_AVX_EXTERNAL
53 void ff_prores_idct_put_10_avx(uint16_t *dst, int linesize,
54 int16_t *block, int16_t *qmat);
55
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7740000 PR_WRAP(avx)
56 # endif
57
58 #endif
59
60 static const struct algo fdct_tab_arch[] = {
61 #if HAVE_SSE2_INLINE
62 { "SSE2", ff_fdct_sse2, FF_IDCT_PERM_NONE, AV_CPU_FLAG_SSE2 },
63 #endif
64 { 0 }
65 };
66
67 static const struct algo idct_tab_arch[] = {
68 #if CONFIG_MPEG4_DECODER && HAVE_X86ASM
69 #if HAVE_SSE2_EXTERNAL
70 { "XVID-SSE2", ff_xvid_idct_sse2, FF_IDCT_PERM_SSE2, AV_CPU_FLAG_SSE2, 1 },
71 #endif
72 #endif /* CONFIG_MPEG4_DECODER && HAVE_X86ASM */
73 #if (CONFIG_PRORES_DECODER || CONFIG_PRORES_LGPL_DECODER) && ARCH_X86_64 && HAVE_X86ASM
74 { "PR-SSE2", ff_prores_idct_put_10_sse2_wrap, FF_IDCT_PERM_TRANSPOSE, AV_CPU_FLAG_SSE2, 1 },
75 # if HAVE_AVX_EXTERNAL
76 { "PR-AVX", ff_prores_idct_put_10_avx_wrap, FF_IDCT_PERM_TRANSPOSE, AV_CPU_FLAG_AVX, 1 },
77 # endif
78 #endif
79 #if HAVE_X86ASM
80 #if ARCH_X86_64
81 #if HAVE_SSE2_EXTERNAL
82 { "SIMPLE8-SSE2", ff_simple_idct8_sse2, FF_IDCT_PERM_TRANSPOSE, AV_CPU_FLAG_SSE2},
83 { "SIMPLE10-SSE2", ff_simple_idct10_sse2, FF_IDCT_PERM_TRANSPOSE, AV_CPU_FLAG_SSE2},
84 { "SIMPLE12-SSE2", ff_simple_idct12_sse2, FF_IDCT_PERM_TRANSPOSE, AV_CPU_FLAG_SSE2, 1 },
85 #endif
86 #if HAVE_AVX_EXTERNAL
87 { "SIMPLE8-AVX", ff_simple_idct8_avx, FF_IDCT_PERM_TRANSPOSE, AV_CPU_FLAG_AVX},
88 { "SIMPLE10-AVX", ff_simple_idct10_avx, FF_IDCT_PERM_TRANSPOSE, AV_CPU_FLAG_AVX},
89 { "SIMPLE12-AVX", ff_simple_idct12_avx, FF_IDCT_PERM_TRANSPOSE, AV_CPU_FLAG_AVX, 1 },
90 #endif
91 #endif
92 #endif
93 { 0 }
94 };
95
96 static const uint8_t idct_simple_mmx_perm[64] = {
97 0x00, 0x08, 0x04, 0x09, 0x01, 0x0C, 0x05, 0x0D,
98 0x10, 0x18, 0x14, 0x19, 0x11, 0x1C, 0x15, 0x1D,
99 0x20, 0x28, 0x24, 0x29, 0x21, 0x2C, 0x25, 0x2D,
100 0x12, 0x1A, 0x16, 0x1B, 0x13, 0x1E, 0x17, 0x1F,
101 0x02, 0x0A, 0x06, 0x0B, 0x03, 0x0E, 0x07, 0x0F,
102 0x30, 0x38, 0x34, 0x39, 0x31, 0x3C, 0x35, 0x3D,
103 0x22, 0x2A, 0x26, 0x2B, 0x23, 0x2E, 0x27, 0x2F,
104 0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F,
105 };
106
107 static const uint8_t idct_sse2_row_perm[8] = { 0, 4, 1, 5, 2, 6, 3, 7 };
108
109 1120000 static int permute_x86(int16_t dst[64], const int16_t src[64],
110 enum idct_permutation_type perm_type)
111 {
112 int i;
113
114
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1120000 switch (perm_type) {
115 case FF_IDCT_PERM_SIMPLE:
116 for (i = 0; i < 64; i++)
117 dst[idct_simple_mmx_perm[i]] = src[i];
118 return 1;
119 60000 case FF_IDCT_PERM_SSE2:
120
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3900000 for (i = 0; i < 64; i++)
121 3840000 dst[(i & 0x38) | idct_sse2_row_perm[i & 7]] = src[i];
122 60000 return 1;
123 }
124
125 1060000 return 0;
126 }
127