| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * MLP DSP functions x86-optimized | ||
| 3 | * Copyright (c) 2009 Ramiro Polla | ||
| 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 | #include <stdint.h> | ||
| 23 | #include "config.h" | ||
| 24 | #include "libavutil/attributes.h" | ||
| 25 | #include "libavutil/cpu.h" | ||
| 26 | #include "libavutil/macros.h" | ||
| 27 | #include "libavutil/x86/asm.h" | ||
| 28 | #include "libavutil/x86/cpu.h" | ||
| 29 | #include "libavcodec/mlpdsp.h" | ||
| 30 | #include "libavcodec/mlp.h" | ||
| 31 | |||
| 32 | #define REMATRIX_CHANNEL_FUNC(opt) \ | ||
| 33 | void ff_mlp_rematrix_channel_##opt(int32_t *samples, \ | ||
| 34 | const int32_t *coeffs, \ | ||
| 35 | const uint8_t *bypassed_lsbs, \ | ||
| 36 | const int8_t *noise_buffer, \ | ||
| 37 | int index, \ | ||
| 38 | unsigned int dest_ch, \ | ||
| 39 | uint16_t blockpos, \ | ||
| 40 | unsigned int maxchan, \ | ||
| 41 | int matrix_noise_shift, \ | ||
| 42 | int access_unit_size_pow2, \ | ||
| 43 | int32_t mask); | ||
| 44 | |||
| 45 | REMATRIX_CHANNEL_FUNC(sse4) | ||
| 46 | REMATRIX_CHANNEL_FUNC(avx2_bmi2) | ||
| 47 | |||
| 48 | #if HAVE_7REGS && HAVE_INLINE_ASM && HAVE_INLINE_ASM_NONLOCAL_LABELS | ||
| 49 | |||
| 50 | extern char ff_mlp_firorder_8; | ||
| 51 | extern char ff_mlp_firorder_7; | ||
| 52 | extern char ff_mlp_firorder_6; | ||
| 53 | extern char ff_mlp_firorder_5; | ||
| 54 | extern char ff_mlp_firorder_4; | ||
| 55 | extern char ff_mlp_firorder_3; | ||
| 56 | extern char ff_mlp_firorder_2; | ||
| 57 | extern char ff_mlp_firorder_1; | ||
| 58 | extern char ff_mlp_firorder_0; | ||
| 59 | |||
| 60 | extern char ff_mlp_iirorder_4; | ||
| 61 | extern char ff_mlp_iirorder_3; | ||
| 62 | extern char ff_mlp_iirorder_2; | ||
| 63 | extern char ff_mlp_iirorder_1; | ||
| 64 | extern char ff_mlp_iirorder_0; | ||
| 65 | |||
| 66 | static const void * const firtable[9] = { &ff_mlp_firorder_0, &ff_mlp_firorder_1, | ||
| 67 | &ff_mlp_firorder_2, &ff_mlp_firorder_3, | ||
| 68 | &ff_mlp_firorder_4, &ff_mlp_firorder_5, | ||
| 69 | &ff_mlp_firorder_6, &ff_mlp_firorder_7, | ||
| 70 | &ff_mlp_firorder_8 }; | ||
| 71 | static const void * const iirtable[5] = { &ff_mlp_iirorder_0, &ff_mlp_iirorder_1, | ||
| 72 | &ff_mlp_iirorder_2, &ff_mlp_iirorder_3, | ||
| 73 | &ff_mlp_iirorder_4 }; | ||
| 74 | |||
| 75 | #if ARCH_X86_64 | ||
| 76 | |||
| 77 | #define MLPMUL(label, offset, offs, offc) \ | ||
| 78 | LABEL_MANGLE(label)": \n\t" \ | ||
| 79 | "movslq "offset"+"offs"(%0), %%rax\n\t" \ | ||
| 80 | "movslq "offset"+"offc"(%1), %%rdx\n\t" \ | ||
| 81 | "imul %%rdx, %%rax\n\t" \ | ||
| 82 | "add %%rax, %%rsi\n\t" | ||
| 83 | |||
| 84 | #define FIRMULREG(label, offset, firc)\ | ||
| 85 | LABEL_MANGLE(label)": \n\t" \ | ||
| 86 | "movslq "#offset"(%0), %%rax\n\t" \ | ||
| 87 | "imul %"#firc", %%rax\n\t" \ | ||
| 88 | "add %%rax, %%rsi\n\t" | ||
| 89 | |||
| 90 | #define CLEAR_ACCUM \ | ||
| 91 | "xor %%rsi, %%rsi\n\t" | ||
| 92 | |||
| 93 | #define SHIFT_ACCUM \ | ||
| 94 | "shr %%cl, %%rsi\n\t" | ||
| 95 | |||
| 96 | #define ACCUM "%%rdx" | ||
| 97 | #define RESULT "%%rsi" | ||
| 98 | #define RESULT32 "%%esi" | ||
| 99 | |||
| 100 | #else /* if ARCH_X86_32 */ | ||
| 101 | |||
| 102 | #define MLPMUL(label, offset, offs, offc) \ | ||
| 103 | LABEL_MANGLE(label)": \n\t" \ | ||
| 104 | "mov "offset"+"offs"(%0), %%eax\n\t" \ | ||
| 105 | "imull "offset"+"offc"(%1) \n\t" \ | ||
| 106 | "add %%eax , %%esi\n\t" \ | ||
| 107 | "adc %%edx , %%ecx\n\t" | ||
| 108 | |||
| 109 | #define FIRMULREG(label, offset, firc) \ | ||
| 110 | MLPMUL(label, #offset, "0", "0") | ||
| 111 | |||
| 112 | #define CLEAR_ACCUM \ | ||
| 113 | "xor %%esi, %%esi\n\t" \ | ||
| 114 | "xor %%ecx, %%ecx\n\t" | ||
| 115 | |||
| 116 | #define SHIFT_ACCUM \ | ||
| 117 | "mov %%ecx, %%edx\n\t" \ | ||
| 118 | "mov %%esi, %%eax\n\t" \ | ||
| 119 | "movzbl %7 , %%ecx\n\t" \ | ||
| 120 | "shrd %%cl, %%edx, %%eax\n\t" \ | ||
| 121 | |||
| 122 | #define ACCUM "%%edx" | ||
| 123 | #define RESULT "%%eax" | ||
| 124 | #define RESULT32 "%%eax" | ||
| 125 | |||
| 126 | #endif /* !ARCH_X86_64 */ | ||
| 127 | |||
| 128 | #define BINC AV_STRINGIFY(4* MAX_CHANNELS) | ||
| 129 | #define IOFFS AV_STRINGIFY(4*(MAX_FIR_ORDER + MAX_BLOCKSIZE)) | ||
| 130 | #define IOFFC AV_STRINGIFY(4* MAX_FIR_ORDER) | ||
| 131 | |||
| 132 | #define FIRMUL(label, offset) MLPMUL(label, #offset, "0", "0") | ||
| 133 | #define IIRMUL(label, offset) MLPMUL(label, #offset, IOFFS, IOFFC) | ||
| 134 | |||
| 135 | ✗ | static void mlp_filter_channel_x86(int32_t *state, const int32_t *coeff, | |
| 136 | int firorder, int iirorder, | ||
| 137 | unsigned int filter_shift, int32_t mask, | ||
| 138 | int blocksize, int32_t *sample_buffer) | ||
| 139 | { | ||
| 140 | ✗ | const void *firjump = firtable[firorder]; | |
| 141 | ✗ | const void *iirjump = iirtable[iirorder]; | |
| 142 | |||
| 143 | ✗ | blocksize = -blocksize; | |
| 144 | |||
| 145 | ✗ | __asm__ volatile( | |
| 146 | "1: \n\t" | ||
| 147 | CLEAR_ACCUM | ||
| 148 | "jmp *%5 \n\t" | ||
| 149 | FIRMUL (ff_mlp_firorder_8, 0x1c ) | ||
| 150 | FIRMUL (ff_mlp_firorder_7, 0x18 ) | ||
| 151 | FIRMUL (ff_mlp_firorder_6, 0x14 ) | ||
| 152 | FIRMUL (ff_mlp_firorder_5, 0x10 ) | ||
| 153 | FIRMUL (ff_mlp_firorder_4, 0x0c ) | ||
| 154 | FIRMUL (ff_mlp_firorder_3, 0x08 ) | ||
| 155 | FIRMUL (ff_mlp_firorder_2, 0x04 ) | ||
| 156 | FIRMULREG(ff_mlp_firorder_1, 0x00, 8) | ||
| 157 | LABEL_MANGLE(ff_mlp_firorder_0)":\n\t" | ||
| 158 | "jmp *%6 \n\t" | ||
| 159 | IIRMUL (ff_mlp_iirorder_4, 0x0c ) | ||
| 160 | IIRMUL (ff_mlp_iirorder_3, 0x08 ) | ||
| 161 | IIRMUL (ff_mlp_iirorder_2, 0x04 ) | ||
| 162 | IIRMUL (ff_mlp_iirorder_1, 0x00 ) | ||
| 163 | LABEL_MANGLE(ff_mlp_iirorder_0)":\n\t" | ||
| 164 | SHIFT_ACCUM | ||
| 165 | "mov "RESULT" ,"ACCUM" \n\t" | ||
| 166 | "add (%2) ,"RESULT" \n\t" | ||
| 167 | "and %4 ,"RESULT" \n\t" | ||
| 168 | "sub $4 , %0 \n\t" | ||
| 169 | "mov "RESULT32", (%0) \n\t" | ||
| 170 | "mov "RESULT32", (%2) \n\t" | ||
| 171 | "add $"BINC" , %2 \n\t" | ||
| 172 | "sub "ACCUM" ,"RESULT" \n\t" | ||
| 173 | "mov "RESULT32","IOFFS"(%0) \n\t" | ||
| 174 | "incl %3 \n\t" | ||
| 175 | "js 1b \n\t" | ||
| 176 | : /* 0*/"+r"(state), | ||
| 177 | /* 1*/"+r"(coeff), | ||
| 178 | /* 2*/"+r"(sample_buffer), | ||
| 179 | #if ARCH_X86_64 | ||
| 180 | /* 3*/"+r"(blocksize) | ||
| 181 | ✗ | : /* 4*/"r"((x86_reg)mask), /* 5*/"r"(firjump), | |
| 182 | /* 6*/"r"(iirjump) , /* 7*/"c"(filter_shift) | ||
| 183 | ✗ | , /* 8*/"r"((int64_t)coeff[0]) | |
| 184 | : "rax", "rdx", "rsi" | ||
| 185 | #else /* ARCH_X86_32 */ | ||
| 186 | /* 3*/"+m"(blocksize) | ||
| 187 | : /* 4*/"m"( mask), /* 5*/"m"(firjump), | ||
| 188 | /* 6*/"m"(iirjump) , /* 7*/"m"(filter_shift) | ||
| 189 | : "eax", "edx", "esi", "ecx" | ||
| 190 | #endif /* !ARCH_X86_64 */ | ||
| 191 | ); | ||
| 192 | ✗ | } | |
| 193 | |||
| 194 | #endif /* HAVE_7REGS && HAVE_INLINE_ASM */ | ||
| 195 | |||
| 196 | 15 | av_cold void ff_mlpdsp_init_x86(MLPDSPContext *c) | |
| 197 | { | ||
| 198 | 15 | int cpu_flags = av_get_cpu_flags(); | |
| 199 | #if HAVE_7REGS && HAVE_INLINE_ASM && HAVE_INLINE_ASM_NONLOCAL_LABELS | ||
| 200 |
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15 | if (INLINE_MMX(cpu_flags)) |
| 201 | ✗ | c->mlp_filter_channel = mlp_filter_channel_x86; | |
| 202 | #endif | ||
| 203 |
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15 | if (ARCH_X86_64 && EXTERNAL_SSE4(cpu_flags)) |
| 204 | ✗ | c->mlp_rematrix_channel = ff_mlp_rematrix_channel_sse4; | |
| 205 |
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15 | if (ARCH_X86_64 && EXTERNAL_AVX2_FAST(cpu_flags) && cpu_flags & AV_CPU_FLAG_BMI2) |
| 206 | ✗ | c->mlp_rematrix_channel = ff_mlp_rematrix_channel_avx2_bmi2; | |
| 207 | 15 | } | |
| 208 |