diff options
Diffstat (limited to 'ffmpeg1/libavcodec/x86/mpegvideo.c')
| -rw-r--r-- | ffmpeg1/libavcodec/x86/mpegvideo.c | 600 |
1 files changed, 0 insertions, 600 deletions
diff --git a/ffmpeg1/libavcodec/x86/mpegvideo.c b/ffmpeg1/libavcodec/x86/mpegvideo.c deleted file mode 100644 index 903ad62..0000000 --- a/ffmpeg1/libavcodec/x86/mpegvideo.c +++ /dev/null @@ -1,600 +0,0 @@ -/* - * Optimized for ia32 CPUs by Nick Kurshev <nickols_k@mail.ru> - * h263, mpeg1, mpeg2 dequantizer & draw_edges by 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 - */ - -#include "libavutil/attributes.h" -#include "libavutil/cpu.h" -#include "libavutil/x86/asm.h" -#include "libavcodec/avcodec.h" -#include "libavcodec/mpegvideo.h" -#include "dsputil_mmx.h" - -#if HAVE_INLINE_ASM - -static void dct_unquantize_h263_intra_mmx(MpegEncContext *s, - int16_t *block, int n, int qscale) -{ - x86_reg level, qmul, qadd, nCoeffs; - - qmul = qscale << 1; - - av_assert2(s->block_last_index[n]>=0 || s->h263_aic); - - if (!s->h263_aic) { - if (n < 4) - level = block[0] * s->y_dc_scale; - else - level = block[0] * s->c_dc_scale; - qadd = (qscale - 1) | 1; - }else{ - qadd = 0; - level= block[0]; - } - if(s->ac_pred) - nCoeffs=63; - else - nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ]; - -__asm__ volatile( - "movd %1, %%mm6 \n\t" //qmul - "packssdw %%mm6, %%mm6 \n\t" - "packssdw %%mm6, %%mm6 \n\t" - "movd %2, %%mm5 \n\t" //qadd - "pxor %%mm7, %%mm7 \n\t" - "packssdw %%mm5, %%mm5 \n\t" - "packssdw %%mm5, %%mm5 \n\t" - "psubw %%mm5, %%mm7 \n\t" - "pxor %%mm4, %%mm4 \n\t" - ".p2align 4 \n\t" - "1: \n\t" - "movq (%0, %3), %%mm0 \n\t" - "movq 8(%0, %3), %%mm1 \n\t" - - "pmullw %%mm6, %%mm0 \n\t" - "pmullw %%mm6, %%mm1 \n\t" - - "movq (%0, %3), %%mm2 \n\t" - "movq 8(%0, %3), %%mm3 \n\t" - - "pcmpgtw %%mm4, %%mm2 \n\t" // block[i] < 0 ? -1 : 0 - "pcmpgtw %%mm4, %%mm3 \n\t" // block[i] < 0 ? -1 : 0 - - "pxor %%mm2, %%mm0 \n\t" - "pxor %%mm3, %%mm1 \n\t" - - "paddw %%mm7, %%mm0 \n\t" - "paddw %%mm7, %%mm1 \n\t" - - "pxor %%mm0, %%mm2 \n\t" - "pxor %%mm1, %%mm3 \n\t" - - "pcmpeqw %%mm7, %%mm0 \n\t" // block[i] == 0 ? -1 : 0 - "pcmpeqw %%mm7, %%mm1 \n\t" // block[i] == 0 ? -1 : 0 - - "pandn %%mm2, %%mm0 \n\t" - "pandn %%mm3, %%mm1 \n\t" - - "movq %%mm0, (%0, %3) \n\t" - "movq %%mm1, 8(%0, %3) \n\t" - - "add $16, %3 \n\t" - "jng 1b \n\t" - ::"r" (block+nCoeffs), "rm"(qmul), "rm" (qadd), "r" (2*(-nCoeffs)) - : "memory" - ); - block[0]= level; -} - - -static void dct_unquantize_h263_inter_mmx(MpegEncContext *s, - int16_t *block, int n, int qscale) -{ - x86_reg qmul, qadd, nCoeffs; - - qmul = qscale << 1; - qadd = (qscale - 1) | 1; - - assert(s->block_last_index[n]>=0 || s->h263_aic); - - nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ]; - -__asm__ volatile( - "movd %1, %%mm6 \n\t" //qmul - "packssdw %%mm6, %%mm6 \n\t" - "packssdw %%mm6, %%mm6 \n\t" - "movd %2, %%mm5 \n\t" //qadd - "pxor %%mm7, %%mm7 \n\t" - "packssdw %%mm5, %%mm5 \n\t" - "packssdw %%mm5, %%mm5 \n\t" - "psubw %%mm5, %%mm7 \n\t" - "pxor %%mm4, %%mm4 \n\t" - ".p2align 4 \n\t" - "1: \n\t" - "movq (%0, %3), %%mm0 \n\t" - "movq 8(%0, %3), %%mm1 \n\t" - - "pmullw %%mm6, %%mm0 \n\t" - "pmullw %%mm6, %%mm1 \n\t" - - "movq (%0, %3), %%mm2 \n\t" - "movq 8(%0, %3), %%mm3 \n\t" - - "pcmpgtw %%mm4, %%mm2 \n\t" // block[i] < 0 ? -1 : 0 - "pcmpgtw %%mm4, %%mm3 \n\t" // block[i] < 0 ? -1 : 0 - - "pxor %%mm2, %%mm0 \n\t" - "pxor %%mm3, %%mm1 \n\t" - - "paddw %%mm7, %%mm0 \n\t" - "paddw %%mm7, %%mm1 \n\t" - - "pxor %%mm0, %%mm2 \n\t" - "pxor %%mm1, %%mm3 \n\t" - - "pcmpeqw %%mm7, %%mm0 \n\t" // block[i] == 0 ? -1 : 0 - "pcmpeqw %%mm7, %%mm1 \n\t" // block[i] == 0 ? -1 : 0 - - "pandn %%mm2, %%mm0 \n\t" - "pandn %%mm3, %%mm1 \n\t" - - "movq %%mm0, (%0, %3) \n\t" - "movq %%mm1, 8(%0, %3) \n\t" - - "add $16, %3 \n\t" - "jng 1b \n\t" - ::"r" (block+nCoeffs), "rm"(qmul), "rm" (qadd), "r" (2*(-nCoeffs)) - : "memory" - ); -} - - -/* - We can suppose that result of two multiplications can't be greater than 0xFFFF - i.e. is 16-bit, so we use here only PMULLW instruction and can avoid - a complex multiplication. -===================================================== - Full formula for multiplication of 2 integer numbers - which are represent as high:low words: - input: value1 = high1:low1 - value2 = high2:low2 - output: value3 = value1*value2 - value3=high3:low3 (on overflow: modulus 2^32 wrap-around) - this mean that for 0x123456 * 0x123456 correct result is 0x766cb0ce4 - but this algorithm will compute only 0x66cb0ce4 - this limited by 16-bit size of operands - --------------------------------- - tlow1 = high1*low2 - tlow2 = high2*low1 - tlow1 = tlow1 + tlow2 - high3:low3 = low1*low2 - high3 += tlow1 -*/ -static void dct_unquantize_mpeg1_intra_mmx(MpegEncContext *s, - int16_t *block, int n, int qscale) -{ - x86_reg nCoeffs; - const uint16_t *quant_matrix; - int block0; - - av_assert2(s->block_last_index[n]>=0); - - nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ]+1; - - if (n < 4) - block0 = block[0] * s->y_dc_scale; - else - block0 = block[0] * s->c_dc_scale; - /* XXX: only mpeg1 */ - quant_matrix = s->intra_matrix; -__asm__ volatile( - "pcmpeqw %%mm7, %%mm7 \n\t" - "psrlw $15, %%mm7 \n\t" - "movd %2, %%mm6 \n\t" - "packssdw %%mm6, %%mm6 \n\t" - "packssdw %%mm6, %%mm6 \n\t" - "mov %3, %%"REG_a" \n\t" - ".p2align 4 \n\t" - "1: \n\t" - "movq (%0, %%"REG_a"), %%mm0 \n\t" - "movq 8(%0, %%"REG_a"), %%mm1 \n\t" - "movq (%1, %%"REG_a"), %%mm4 \n\t" - "movq 8(%1, %%"REG_a"), %%mm5 \n\t" - "pmullw %%mm6, %%mm4 \n\t" // q=qscale*quant_matrix[i] - "pmullw %%mm6, %%mm5 \n\t" // q=qscale*quant_matrix[i] - "pxor %%mm2, %%mm2 \n\t" - "pxor %%mm3, %%mm3 \n\t" - "pcmpgtw %%mm0, %%mm2 \n\t" // block[i] < 0 ? -1 : 0 - "pcmpgtw %%mm1, %%mm3 \n\t" // block[i] < 0 ? -1 : 0 - "pxor %%mm2, %%mm0 \n\t" - "pxor %%mm3, %%mm1 \n\t" - "psubw %%mm2, %%mm0 \n\t" // abs(block[i]) - "psubw %%mm3, %%mm1 \n\t" // abs(block[i]) - "pmullw %%mm4, %%mm0 \n\t" // abs(block[i])*q - "pmullw %%mm5, %%mm1 \n\t" // abs(block[i])*q - "pxor %%mm4, %%mm4 \n\t" - "pxor %%mm5, %%mm5 \n\t" // FIXME slow - "pcmpeqw (%0, %%"REG_a"), %%mm4 \n\t" // block[i] == 0 ? -1 : 0 - "pcmpeqw 8(%0, %%"REG_a"), %%mm5\n\t" // block[i] == 0 ? -1 : 0 - "psraw $3, %%mm0 \n\t" - "psraw $3, %%mm1 \n\t" - "psubw %%mm7, %%mm0 \n\t" - "psubw %%mm7, %%mm1 \n\t" - "por %%mm7, %%mm0 \n\t" - "por %%mm7, %%mm1 \n\t" - "pxor %%mm2, %%mm0 \n\t" - "pxor %%mm3, %%mm1 \n\t" - "psubw %%mm2, %%mm0 \n\t" - "psubw %%mm3, %%mm1 \n\t" - "pandn %%mm0, %%mm4 \n\t" - "pandn %%mm1, %%mm5 \n\t" - "movq %%mm4, (%0, %%"REG_a") \n\t" - "movq %%mm5, 8(%0, %%"REG_a") \n\t" - - "add $16, %%"REG_a" \n\t" - "js 1b \n\t" - ::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "rm" (qscale), "g" (-2*nCoeffs) - : "%"REG_a, "memory" - ); - block[0]= block0; -} - -static void dct_unquantize_mpeg1_inter_mmx(MpegEncContext *s, - int16_t *block, int n, int qscale) -{ - x86_reg nCoeffs; - const uint16_t *quant_matrix; - - av_assert2(s->block_last_index[n]>=0); - - nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ]+1; - - quant_matrix = s->inter_matrix; -__asm__ volatile( - "pcmpeqw %%mm7, %%mm7 \n\t" - "psrlw $15, %%mm7 \n\t" - "movd %2, %%mm6 \n\t" - "packssdw %%mm6, %%mm6 \n\t" - "packssdw %%mm6, %%mm6 \n\t" - "mov %3, %%"REG_a" \n\t" - ".p2align 4 \n\t" - "1: \n\t" - "movq (%0, %%"REG_a"), %%mm0 \n\t" - "movq 8(%0, %%"REG_a"), %%mm1 \n\t" - "movq (%1, %%"REG_a"), %%mm4 \n\t" - "movq 8(%1, %%"REG_a"), %%mm5 \n\t" - "pmullw %%mm6, %%mm4 \n\t" // q=qscale*quant_matrix[i] - "pmullw %%mm6, %%mm5 \n\t" // q=qscale*quant_matrix[i] - "pxor %%mm2, %%mm2 \n\t" - "pxor %%mm3, %%mm3 \n\t" - "pcmpgtw %%mm0, %%mm2 \n\t" // block[i] < 0 ? -1 : 0 - "pcmpgtw %%mm1, %%mm3 \n\t" // block[i] < 0 ? -1 : 0 - "pxor %%mm2, %%mm0 \n\t" - "pxor %%mm3, %%mm1 \n\t" - "psubw %%mm2, %%mm0 \n\t" // abs(block[i]) - "psubw %%mm3, %%mm1 \n\t" // abs(block[i]) - "paddw %%mm0, %%mm0 \n\t" // abs(block[i])*2 - "paddw %%mm1, %%mm1 \n\t" // abs(block[i])*2 - "paddw %%mm7, %%mm0 \n\t" // abs(block[i])*2 + 1 - "paddw %%mm7, %%mm1 \n\t" // abs(block[i])*2 + 1 - "pmullw %%mm4, %%mm0 \n\t" // (abs(block[i])*2 + 1)*q - "pmullw %%mm5, %%mm1 \n\t" // (abs(block[i])*2 + 1)*q - "pxor %%mm4, %%mm4 \n\t" - "pxor %%mm5, %%mm5 \n\t" // FIXME slow - "pcmpeqw (%0, %%"REG_a"), %%mm4 \n\t" // block[i] == 0 ? -1 : 0 - "pcmpeqw 8(%0, %%"REG_a"), %%mm5\n\t" // block[i] == 0 ? -1 : 0 - "psraw $4, %%mm0 \n\t" - "psraw $4, %%mm1 \n\t" - "psubw %%mm7, %%mm0 \n\t" - "psubw %%mm7, %%mm1 \n\t" - "por %%mm7, %%mm0 \n\t" - "por %%mm7, %%mm1 \n\t" - "pxor %%mm2, %%mm0 \n\t" - "pxor %%mm3, %%mm1 \n\t" - "psubw %%mm2, %%mm0 \n\t" - "psubw %%mm3, %%mm1 \n\t" - "pandn %%mm0, %%mm4 \n\t" - "pandn %%mm1, %%mm5 \n\t" - "movq %%mm4, (%0, %%"REG_a") \n\t" - "movq %%mm5, 8(%0, %%"REG_a") \n\t" - - "add $16, %%"REG_a" \n\t" - "js 1b \n\t" - ::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "rm" (qscale), "g" (-2*nCoeffs) - : "%"REG_a, "memory" - ); -} - -static void dct_unquantize_mpeg2_intra_mmx(MpegEncContext *s, - int16_t *block, int n, int qscale) -{ - x86_reg nCoeffs; - const uint16_t *quant_matrix; - int block0; - - av_assert2(s->block_last_index[n]>=0); - - if(s->alternate_scan) nCoeffs= 63; //FIXME - else nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ]; - - if (n < 4) - block0 = block[0] * s->y_dc_scale; - else - block0 = block[0] * s->c_dc_scale; - quant_matrix = s->intra_matrix; -__asm__ volatile( - "pcmpeqw %%mm7, %%mm7 \n\t" - "psrlw $15, %%mm7 \n\t" - "movd %2, %%mm6 \n\t" - "packssdw %%mm6, %%mm6 \n\t" - "packssdw %%mm6, %%mm6 \n\t" - "mov %3, %%"REG_a" \n\t" - ".p2align 4 \n\t" - "1: \n\t" - "movq (%0, %%"REG_a"), %%mm0 \n\t" - "movq 8(%0, %%"REG_a"), %%mm1 \n\t" - "movq (%1, %%"REG_a"), %%mm4 \n\t" - "movq 8(%1, %%"REG_a"), %%mm5 \n\t" - "pmullw %%mm6, %%mm4 \n\t" // q=qscale*quant_matrix[i] - "pmullw %%mm6, %%mm5 \n\t" // q=qscale*quant_matrix[i] - "pxor %%mm2, %%mm2 \n\t" - "pxor %%mm3, %%mm3 \n\t" - "pcmpgtw %%mm0, %%mm2 \n\t" // block[i] < 0 ? -1 : 0 - "pcmpgtw %%mm1, %%mm3 \n\t" // block[i] < 0 ? -1 : 0 - "pxor %%mm2, %%mm0 \n\t" - "pxor %%mm3, %%mm1 \n\t" - "psubw %%mm2, %%mm0 \n\t" // abs(block[i]) - "psubw %%mm3, %%mm1 \n\t" // abs(block[i]) - "pmullw %%mm4, %%mm0 \n\t" // abs(block[i])*q - "pmullw %%mm5, %%mm1 \n\t" // abs(block[i])*q - "pxor %%mm4, %%mm4 \n\t" - "pxor %%mm5, %%mm5 \n\t" // FIXME slow - "pcmpeqw (%0, %%"REG_a"), %%mm4 \n\t" // block[i] == 0 ? -1 : 0 - "pcmpeqw 8(%0, %%"REG_a"), %%mm5\n\t" // block[i] == 0 ? -1 : 0 - "psraw $3, %%mm0 \n\t" - "psraw $3, %%mm1 \n\t" - "pxor %%mm2, %%mm0 \n\t" - "pxor %%mm3, %%mm1 \n\t" - "psubw %%mm2, %%mm0 \n\t" - "psubw %%mm3, %%mm1 \n\t" - "pandn %%mm0, %%mm4 \n\t" - "pandn %%mm1, %%mm5 \n\t" - "movq %%mm4, (%0, %%"REG_a") \n\t" - "movq %%mm5, 8(%0, %%"REG_a") \n\t" - - "add $16, %%"REG_a" \n\t" - "jng 1b \n\t" - ::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "rm" (qscale), "g" (-2*nCoeffs) - : "%"REG_a, "memory" - ); - block[0]= block0; - //Note, we do not do mismatch control for intra as errors cannot accumulate -} - -static void dct_unquantize_mpeg2_inter_mmx(MpegEncContext *s, - int16_t *block, int n, int qscale) -{ - x86_reg nCoeffs; - const uint16_t *quant_matrix; - - av_assert2(s->block_last_index[n]>=0); - - if(s->alternate_scan) nCoeffs= 63; //FIXME - else nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ]; - - quant_matrix = s->inter_matrix; -__asm__ volatile( - "pcmpeqw %%mm7, %%mm7 \n\t" - "psrlq $48, %%mm7 \n\t" - "movd %2, %%mm6 \n\t" - "packssdw %%mm6, %%mm6 \n\t" - "packssdw %%mm6, %%mm6 \n\t" - "mov %3, %%"REG_a" \n\t" - ".p2align 4 \n\t" - "1: \n\t" - "movq (%0, %%"REG_a"), %%mm0 \n\t" - "movq 8(%0, %%"REG_a"), %%mm1 \n\t" - "movq (%1, %%"REG_a"), %%mm4 \n\t" - "movq 8(%1, %%"REG_a"), %%mm5 \n\t" - "pmullw %%mm6, %%mm4 \n\t" // q=qscale*quant_matrix[i] - "pmullw %%mm6, %%mm5 \n\t" // q=qscale*quant_matrix[i] - "pxor %%mm2, %%mm2 \n\t" - "pxor %%mm3, %%mm3 \n\t" - "pcmpgtw %%mm0, %%mm2 \n\t" // block[i] < 0 ? -1 : 0 - "pcmpgtw %%mm1, %%mm3 \n\t" // block[i] < 0 ? -1 : 0 - "pxor %%mm2, %%mm0 \n\t" - "pxor %%mm3, %%mm1 \n\t" - "psubw %%mm2, %%mm0 \n\t" // abs(block[i]) - "psubw %%mm3, %%mm1 \n\t" // abs(block[i]) - "paddw %%mm0, %%mm0 \n\t" // abs(block[i])*2 - "paddw %%mm1, %%mm1 \n\t" // abs(block[i])*2 - "pmullw %%mm4, %%mm0 \n\t" // abs(block[i])*2*q - "pmullw %%mm5, %%mm1 \n\t" // abs(block[i])*2*q - "paddw %%mm4, %%mm0 \n\t" // (abs(block[i])*2 + 1)*q - "paddw %%mm5, %%mm1 \n\t" // (abs(block[i])*2 + 1)*q - "pxor %%mm4, %%mm4 \n\t" - "pxor %%mm5, %%mm5 \n\t" // FIXME slow - "pcmpeqw (%0, %%"REG_a"), %%mm4 \n\t" // block[i] == 0 ? -1 : 0 - "pcmpeqw 8(%0, %%"REG_a"), %%mm5\n\t" // block[i] == 0 ? -1 : 0 - "psrlw $4, %%mm0 \n\t" - "psrlw $4, %%mm1 \n\t" - "pxor %%mm2, %%mm0 \n\t" - "pxor %%mm3, %%mm1 \n\t" - "psubw %%mm2, %%mm0 \n\t" - "psubw %%mm3, %%mm1 \n\t" - "pandn %%mm0, %%mm4 \n\t" - "pandn %%mm1, %%mm5 \n\t" - "pxor %%mm4, %%mm7 \n\t" - "pxor %%mm5, %%mm7 \n\t" - "movq %%mm4, (%0, %%"REG_a") \n\t" - "movq %%mm5, 8(%0, %%"REG_a") \n\t" - - "add $16, %%"REG_a" \n\t" - "jng 1b \n\t" - "movd 124(%0, %3), %%mm0 \n\t" - "movq %%mm7, %%mm6 \n\t" - "psrlq $32, %%mm7 \n\t" - "pxor %%mm6, %%mm7 \n\t" - "movq %%mm7, %%mm6 \n\t" - "psrlq $16, %%mm7 \n\t" - "pxor %%mm6, %%mm7 \n\t" - "pslld $31, %%mm7 \n\t" - "psrlq $15, %%mm7 \n\t" - "pxor %%mm7, %%mm0 \n\t" - "movd %%mm0, 124(%0, %3) \n\t" - - ::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "rm" (qscale), "r" (-2*nCoeffs) - : "%"REG_a, "memory" - ); -} - -static void denoise_dct_mmx(MpegEncContext *s, int16_t *block){ - const int intra= s->mb_intra; - int *sum= s->dct_error_sum[intra]; - uint16_t *offset= s->dct_offset[intra]; - - s->dct_count[intra]++; - - __asm__ volatile( - "pxor %%mm7, %%mm7 \n\t" - "1: \n\t" - "pxor %%mm0, %%mm0 \n\t" - "pxor %%mm1, %%mm1 \n\t" - "movq (%0), %%mm2 \n\t" - "movq 8(%0), %%mm3 \n\t" - "pcmpgtw %%mm2, %%mm0 \n\t" - "pcmpgtw %%mm3, %%mm1 \n\t" - "pxor %%mm0, %%mm2 \n\t" - "pxor %%mm1, %%mm3 \n\t" - "psubw %%mm0, %%mm2 \n\t" - "psubw %%mm1, %%mm3 \n\t" - "movq %%mm2, %%mm4 \n\t" - "movq %%mm3, %%mm5 \n\t" - "psubusw (%2), %%mm2 \n\t" - "psubusw 8(%2), %%mm3 \n\t" - "pxor %%mm0, %%mm2 \n\t" - "pxor %%mm1, %%mm3 \n\t" - "psubw %%mm0, %%mm2 \n\t" - "psubw %%mm1, %%mm3 \n\t" - "movq %%mm2, (%0) \n\t" - "movq %%mm3, 8(%0) \n\t" - "movq %%mm4, %%mm2 \n\t" - "movq %%mm5, %%mm3 \n\t" - "punpcklwd %%mm7, %%mm4 \n\t" - "punpckhwd %%mm7, %%mm2 \n\t" - "punpcklwd %%mm7, %%mm5 \n\t" - "punpckhwd %%mm7, %%mm3 \n\t" - "paddd (%1), %%mm4 \n\t" - "paddd 8(%1), %%mm2 \n\t" - "paddd 16(%1), %%mm5 \n\t" - "paddd 24(%1), %%mm3 \n\t" - "movq %%mm4, (%1) \n\t" - "movq %%mm2, 8(%1) \n\t" - "movq %%mm5, 16(%1) \n\t" - "movq %%mm3, 24(%1) \n\t" - "add $16, %0 \n\t" - "add $32, %1 \n\t" - "add $16, %2 \n\t" - "cmp %3, %0 \n\t" - " jb 1b \n\t" - : "+r" (block), "+r" (sum), "+r" (offset) - : "r"(block+64) - ); -} - -static void denoise_dct_sse2(MpegEncContext *s, int16_t *block){ - const int intra= s->mb_intra; - int *sum= s->dct_error_sum[intra]; - uint16_t *offset= s->dct_offset[intra]; - - s->dct_count[intra]++; - - __asm__ volatile( - "pxor %%xmm7, %%xmm7 \n\t" - "1: \n\t" - "pxor %%xmm0, %%xmm0 \n\t" - "pxor %%xmm1, %%xmm1 \n\t" - "movdqa (%0), %%xmm2 \n\t" - "movdqa 16(%0), %%xmm3 \n\t" - "pcmpgtw %%xmm2, %%xmm0 \n\t" - "pcmpgtw %%xmm3, %%xmm1 \n\t" - "pxor %%xmm0, %%xmm2 \n\t" - "pxor %%xmm1, %%xmm3 \n\t" - "psubw %%xmm0, %%xmm2 \n\t" - "psubw %%xmm1, %%xmm3 \n\t" - "movdqa %%xmm2, %%xmm4 \n\t" - "movdqa %%xmm3, %%xmm5 \n\t" - "psubusw (%2), %%xmm2 \n\t" - "psubusw 16(%2), %%xmm3 \n\t" - "pxor %%xmm0, %%xmm2 \n\t" - "pxor %%xmm1, %%xmm3 \n\t" - "psubw %%xmm0, %%xmm2 \n\t" - "psubw %%xmm1, %%xmm3 \n\t" - "movdqa %%xmm2, (%0) \n\t" - "movdqa %%xmm3, 16(%0) \n\t" - "movdqa %%xmm4, %%xmm6 \n\t" - "movdqa %%xmm5, %%xmm0 \n\t" - "punpcklwd %%xmm7, %%xmm4 \n\t" - "punpckhwd %%xmm7, %%xmm6 \n\t" - "punpcklwd %%xmm7, %%xmm5 \n\t" - "punpckhwd %%xmm7, %%xmm0 \n\t" - "paddd (%1), %%xmm4 \n\t" - "paddd 16(%1), %%xmm6 \n\t" - "paddd 32(%1), %%xmm5 \n\t" - "paddd 48(%1), %%xmm0 \n\t" - "movdqa %%xmm4, (%1) \n\t" - "movdqa %%xmm6, 16(%1) \n\t" - "movdqa %%xmm5, 32(%1) \n\t" - "movdqa %%xmm0, 48(%1) \n\t" - "add $32, %0 \n\t" - "add $64, %1 \n\t" - "add $32, %2 \n\t" - "cmp %3, %0 \n\t" - " jb 1b \n\t" - : "+r" (block), "+r" (sum), "+r" (offset) - : "r"(block+64) - XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3", - "%xmm4", "%xmm5", "%xmm6", "%xmm7") - ); -} - -#endif /* HAVE_INLINE_ASM */ - -av_cold void ff_MPV_common_init_x86(MpegEncContext *s) -{ -#if HAVE_INLINE_ASM - int mm_flags = av_get_cpu_flags(); - - if (mm_flags & AV_CPU_FLAG_MMX) { - s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_mmx; - s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_mmx; - s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_mmx; - s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_mmx; - if(!(s->flags & CODEC_FLAG_BITEXACT)) - s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_mmx; - s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_mmx; - - if (mm_flags & AV_CPU_FLAG_SSE2) { - s->denoise_dct= denoise_dct_sse2; - } else { - s->denoise_dct= denoise_dct_mmx; - } - } -#endif /* HAVE_INLINE_ASM */ -} |
