diff options
Diffstat (limited to 'media/ffvpx/libavcodec/x86/h264_i386.h')
-rw-r--r-- | media/ffvpx/libavcodec/x86/h264_i386.h | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/media/ffvpx/libavcodec/x86/h264_i386.h b/media/ffvpx/libavcodec/x86/h264_i386.h deleted file mode 100644 index 19cd12838..000000000 --- a/media/ffvpx/libavcodec/x86/h264_i386.h +++ /dev/null @@ -1,212 +0,0 @@ -/* - * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder - * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> - * - * This file is part of FFmpeg. - * - * FFmpeg 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. - * - * FFmpeg 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 FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/** - * @file - * H.264 / AVC / MPEG-4 part10 codec. - * non-MMX i386-specific optimizations for H.264 - * @author Michael Niedermayer <michaelni@gmx.at> - */ - -#ifndef AVCODEC_X86_H264_I386_H -#define AVCODEC_X86_H264_I386_H - -#include <stddef.h> - -#include "libavcodec/cabac.h" -#include "cabac.h" - -#if HAVE_INLINE_ASM - -#if ARCH_X86_64 -#define REG64 "r" -#else -#define REG64 "m" -#endif - -//FIXME use some macros to avoid duplicating get_cabac (cannot be done yet -//as that would make optimization work hard) -#if HAVE_7REGS && !BROKEN_COMPILER -#define decode_significance decode_significance_x86 -static int decode_significance_x86(CABACContext *c, int max_coeff, - uint8_t *significant_coeff_ctx_base, - int *index, x86_reg last_off){ - void *end= significant_coeff_ctx_base + max_coeff - 1; - int minusstart= -(intptr_t)significant_coeff_ctx_base; - int minusindex= 4-(intptr_t)index; - int bit; - x86_reg coeff_count; - -#ifdef BROKEN_RELOCATIONS - void *tables; - - __asm__ volatile( - "lea "MANGLE(ff_h264_cabac_tables)", %0 \n\t" - : "=&r"(tables) - : NAMED_CONSTRAINTS_ARRAY(ff_h264_cabac_tables) - ); -#endif - - __asm__ volatile( - "3: \n\t" - - BRANCHLESS_GET_CABAC("%4", "%q4", "(%1)", "%3", "%w3", - "%5", "%q5", "%k0", "%b0", - "%c11(%6)", "%c12(%6)", - AV_STRINGIFY(H264_NORM_SHIFT_OFFSET), - AV_STRINGIFY(H264_LPS_RANGE_OFFSET), - AV_STRINGIFY(H264_MLPS_STATE_OFFSET), - "%13") - - "test $1, %4 \n\t" - " jz 4f \n\t" - "add %10, %1 \n\t" - - BRANCHLESS_GET_CABAC("%4", "%q4", "(%1)", "%3", "%w3", - "%5", "%q5", "%k0", "%b0", - "%c11(%6)", "%c12(%6)", - AV_STRINGIFY(H264_NORM_SHIFT_OFFSET), - AV_STRINGIFY(H264_LPS_RANGE_OFFSET), - AV_STRINGIFY(H264_MLPS_STATE_OFFSET), - "%13") - - "sub %10, %1 \n\t" - "mov %2, %0 \n\t" - "movl %7, %%ecx \n\t" - "add %1, %%"FF_REG_c" \n\t" - "movl %%ecx, (%0) \n\t" - - "test $1, %4 \n\t" - " jnz 5f \n\t" - - "add"FF_OPSIZE" $4, %2 \n\t" - - "4: \n\t" - "add $1, %1 \n\t" - "cmp %8, %1 \n\t" - " jb 3b \n\t" - "mov %2, %0 \n\t" - "movl %7, %%ecx \n\t" - "add %1, %%"FF_REG_c" \n\t" - "movl %%ecx, (%0) \n\t" - "5: \n\t" - "add %9, %k0 \n\t" - "shr $2, %k0 \n\t" - : "=&q"(coeff_count), "+r"(significant_coeff_ctx_base), "+m"(index), - "+&r"(c->low), "=&r"(bit), "+&r"(c->range) - : "r"(c), "m"(minusstart), "m"(end), "m"(minusindex), "m"(last_off), - "i"(offsetof(CABACContext, bytestream)), - "i"(offsetof(CABACContext, bytestream_end)) - TABLES_ARG - : "%"FF_REG_c, "memory" - ); - return coeff_count; -} - -#define decode_significance_8x8 decode_significance_8x8_x86 -static int decode_significance_8x8_x86(CABACContext *c, - uint8_t *significant_coeff_ctx_base, - int *index, uint8_t *last_coeff_ctx_base, const uint8_t *sig_off){ - int minusindex= 4-(intptr_t)index; - int bit; - x86_reg coeff_count; - x86_reg last=0; - x86_reg state; - -#ifdef BROKEN_RELOCATIONS - void *tables; - - __asm__ volatile( - "lea "MANGLE(ff_h264_cabac_tables)", %0 \n\t" - : "=&r"(tables) - : NAMED_CONSTRAINTS_ARRAY(ff_h264_cabac_tables) - ); -#endif - - __asm__ volatile( - "mov %1, %6 \n\t" - "3: \n\t" - - "mov %10, %0 \n\t" - "movzb (%0, %6), %6 \n\t" - "add %9, %6 \n\t" - - BRANCHLESS_GET_CABAC("%4", "%q4", "(%6)", "%3", "%w3", - "%5", "%q5", "%k0", "%b0", - "%c12(%7)", "%c13(%7)", - AV_STRINGIFY(H264_NORM_SHIFT_OFFSET), - AV_STRINGIFY(H264_LPS_RANGE_OFFSET), - AV_STRINGIFY(H264_MLPS_STATE_OFFSET), - "%15") - - "mov %1, %6 \n\t" - "test $1, %4 \n\t" - " jz 4f \n\t" - -#ifdef BROKEN_RELOCATIONS - "movzb %c14(%15, %q6), %6\n\t" -#else - "movzb "MANGLE(ff_h264_cabac_tables)"+%c14(%6), %6\n\t" -#endif - "add %11, %6 \n\t" - - BRANCHLESS_GET_CABAC("%4", "%q4", "(%6)", "%3", "%w3", - "%5", "%q5", "%k0", "%b0", - "%c12(%7)", "%c13(%7)", - AV_STRINGIFY(H264_NORM_SHIFT_OFFSET), - AV_STRINGIFY(H264_LPS_RANGE_OFFSET), - AV_STRINGIFY(H264_MLPS_STATE_OFFSET), - "%15") - - "mov %2, %0 \n\t" - "mov %1, %6 \n\t" - "mov %k6, (%0) \n\t" - - "test $1, %4 \n\t" - " jnz 5f \n\t" - - "add"FF_OPSIZE" $4, %2 \n\t" - - "4: \n\t" - "add $1, %6 \n\t" - "mov %6, %1 \n\t" - "cmp $63, %6 \n\t" - " jb 3b \n\t" - "mov %2, %0 \n\t" - "mov %k6, (%0) \n\t" - "5: \n\t" - "addl %8, %k0 \n\t" - "shr $2, %k0 \n\t" - : "=&q"(coeff_count), "+"REG64(last), "+"REG64(index), "+&r"(c->low), - "=&r"(bit), "+&r"(c->range), "=&r"(state) - : "r"(c), "m"(minusindex), "m"(significant_coeff_ctx_base), - REG64(sig_off), REG64(last_coeff_ctx_base), - "i"(offsetof(CABACContext, bytestream)), - "i"(offsetof(CABACContext, bytestream_end)), - "i"(H264_LAST_COEFF_FLAG_OFFSET_8x8_OFFSET) TABLES_ARG - : "%"FF_REG_c, "memory" - ); - return coeff_count; -} -#endif /* HAVE_7REGS && BROKEN_COMPILER */ - -#endif /* HAVE_INLINE_ASM */ -#endif /* AVCODEC_X86_H264_I386_H */ |