diff options
Diffstat (limited to 'libavcodec/x86/mlpdsp.c')
| -rw-r--r-- | libavcodec/x86/mlpdsp.c | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/libavcodec/x86/mlpdsp.c b/libavcodec/x86/mlpdsp.c deleted file mode 100644 index 72fc637..0000000 --- a/libavcodec/x86/mlpdsp.c +++ /dev/null @@ -1,187 +0,0 @@ -/* - * MLP DSP functions x86-optimized - * Copyright (c) 2009 Ramiro Polla - * - * This file is part of Libav. - * - * Libav is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * Libav is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "libavutil/attributes.h" -#include "libavutil/internal.h" -#include "libavutil/cpu.h" -#include "libavutil/x86/asm.h" -#include "libavutil/x86/cpu.h" -#include "libavcodec/mlpdsp.h" -#include "libavcodec/mlp.h" - -#if HAVE_7REGS && HAVE_INLINE_ASM - -extern char ff_mlp_firorder_8; -extern char ff_mlp_firorder_7; -extern char ff_mlp_firorder_6; -extern char ff_mlp_firorder_5; -extern char ff_mlp_firorder_4; -extern char ff_mlp_firorder_3; -extern char ff_mlp_firorder_2; -extern char ff_mlp_firorder_1; -extern char ff_mlp_firorder_0; - -extern char ff_mlp_iirorder_4; -extern char ff_mlp_iirorder_3; -extern char ff_mlp_iirorder_2; -extern char ff_mlp_iirorder_1; -extern char ff_mlp_iirorder_0; - -static const void *firtable[9] = { &ff_mlp_firorder_0, &ff_mlp_firorder_1, - &ff_mlp_firorder_2, &ff_mlp_firorder_3, - &ff_mlp_firorder_4, &ff_mlp_firorder_5, - &ff_mlp_firorder_6, &ff_mlp_firorder_7, - &ff_mlp_firorder_8 }; -static const void *iirtable[5] = { &ff_mlp_iirorder_0, &ff_mlp_iirorder_1, - &ff_mlp_iirorder_2, &ff_mlp_iirorder_3, - &ff_mlp_iirorder_4 }; - -#if ARCH_X86_64 - -#define MLPMUL(label, offset, offs, offc) \ - LABEL_MANGLE(label)": \n\t" \ - "movslq "offset"+"offs"(%0), %%rax\n\t" \ - "movslq "offset"+"offc"(%1), %%rdx\n\t" \ - "imul %%rdx, %%rax\n\t" \ - "add %%rax, %%rsi\n\t" - -#define FIRMULREG(label, offset, firc)\ - LABEL_MANGLE(label)": \n\t" \ - "movslq "#offset"(%0), %%rax\n\t" \ - "imul %"#firc", %%rax\n\t" \ - "add %%rax, %%rsi\n\t" - -#define CLEAR_ACCUM \ - "xor %%rsi, %%rsi\n\t" - -#define SHIFT_ACCUM \ - "shr %%cl, %%rsi\n\t" - -#define ACCUM "%%rdx" -#define RESULT "%%rsi" -#define RESULT32 "%%esi" - -#else /* if ARCH_X86_32 */ - -#define MLPMUL(label, offset, offs, offc) \ - LABEL_MANGLE(label)": \n\t" \ - "mov "offset"+"offs"(%0), %%eax\n\t" \ - "imull "offset"+"offc"(%1) \n\t" \ - "add %%eax , %%esi\n\t" \ - "adc %%edx , %%ecx\n\t" - -#define FIRMULREG(label, offset, firc) \ - MLPMUL(label, #offset, "0", "0") - -#define CLEAR_ACCUM \ - "xor %%esi, %%esi\n\t" \ - "xor %%ecx, %%ecx\n\t" - -#define SHIFT_ACCUM \ - "mov %%ecx, %%edx\n\t" \ - "mov %%esi, %%eax\n\t" \ - "movzbl %7 , %%ecx\n\t" \ - "shrd %%cl, %%edx, %%eax\n\t" \ - -#define ACCUM "%%edx" -#define RESULT "%%eax" -#define RESULT32 "%%eax" - -#endif /* !ARCH_X86_64 */ - -#define BINC AV_STRINGIFY(4* MAX_CHANNELS) -#define IOFFS AV_STRINGIFY(4*(MAX_FIR_ORDER + MAX_BLOCKSIZE)) -#define IOFFC AV_STRINGIFY(4* MAX_FIR_ORDER) - -#define FIRMUL(label, offset) MLPMUL(label, #offset, "0", "0") -#define IIRMUL(label, offset) MLPMUL(label, #offset, IOFFS, IOFFC) - -static void mlp_filter_channel_x86(int32_t *state, const int32_t *coeff, - int firorder, int iirorder, - unsigned int filter_shift, int32_t mask, - int blocksize, int32_t *sample_buffer) -{ - const void *firjump = firtable[firorder]; - const void *iirjump = iirtable[iirorder]; - - blocksize = -blocksize; - - __asm__ volatile( - "1: \n\t" - CLEAR_ACCUM - "jmp *%5 \n\t" - FIRMUL (ff_mlp_firorder_8, 0x1c ) - FIRMUL (ff_mlp_firorder_7, 0x18 ) - FIRMUL (ff_mlp_firorder_6, 0x14 ) - FIRMUL (ff_mlp_firorder_5, 0x10 ) - FIRMUL (ff_mlp_firorder_4, 0x0c ) - FIRMULREG(ff_mlp_firorder_3, 0x08,10) - FIRMULREG(ff_mlp_firorder_2, 0x04, 9) - FIRMULREG(ff_mlp_firorder_1, 0x00, 8) - LABEL_MANGLE(ff_mlp_firorder_0)":\n\t" - "jmp *%6 \n\t" - IIRMUL (ff_mlp_iirorder_4, 0x0c ) - IIRMUL (ff_mlp_iirorder_3, 0x08 ) - IIRMUL (ff_mlp_iirorder_2, 0x04 ) - IIRMUL (ff_mlp_iirorder_1, 0x00 ) - LABEL_MANGLE(ff_mlp_iirorder_0)":\n\t" - SHIFT_ACCUM - "mov "RESULT" ,"ACCUM" \n\t" - "add (%2) ,"RESULT" \n\t" - "and %4 ,"RESULT" \n\t" - "sub $4 , %0 \n\t" - "mov "RESULT32", (%0) \n\t" - "mov "RESULT32", (%2) \n\t" - "add $"BINC" , %2 \n\t" - "sub "ACCUM" ,"RESULT" \n\t" - "mov "RESULT32","IOFFS"(%0) \n\t" - "incl %3 \n\t" - "js 1b \n\t" - : /* 0*/"+r"(state), - /* 1*/"+r"(coeff), - /* 2*/"+r"(sample_buffer), -#if ARCH_X86_64 - /* 3*/"+r"(blocksize) - : /* 4*/"r"((x86_reg)mask), /* 5*/"r"(firjump), - /* 6*/"r"(iirjump) , /* 7*/"c"(filter_shift) - , /* 8*/"r"((int64_t)coeff[0]) - , /* 9*/"r"((int64_t)coeff[1]) - , /*10*/"r"((int64_t)coeff[2]) - : "rax", "rdx", "rsi" -#else /* ARCH_X86_32 */ - /* 3*/"+m"(blocksize) - : /* 4*/"m"( mask), /* 5*/"m"(firjump), - /* 6*/"m"(iirjump) , /* 7*/"m"(filter_shift) - : "eax", "edx", "esi", "ecx" -#endif /* !ARCH_X86_64 */ - ); -} - -#endif /* HAVE_7REGS && HAVE_INLINE_ASM */ - -av_cold void ff_mlpdsp_init_x86(MLPDSPContext *c) -{ -#if HAVE_7REGS && HAVE_INLINE_ASM - int cpu_flags = av_get_cpu_flags(); - if (INLINE_MMX(cpu_flags)) - c->mlp_filter_channel = mlp_filter_channel_x86; -#endif -} |
