| /* | |
| * Optimized for ia32 CPUs by Nick Kurshev <nickols_k@mail.ru> | |
| * H.263, MPEG-1, MPEG-2 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 "libavutil/x86/cpu.h" | |
| #include "libavcodec/avcodec.h" | |
| #include "libavcodec/mpegvideo.h" | |
| #include "libavcodec/mpegvideodata.h" | |
| #if HAVE_MMX_INLINE | |
| 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->intra_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; | |
| av_assert2(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" | |
| ); | |
| } | |
| 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 MPEG-1 */ | |
| 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, %%"FF_REG_a" \n\t" | |
| ".p2align 4 \n\t" | |
| "1: \n\t" | |
| "movq (%0, %%"FF_REG_a"), %%mm0 \n\t" | |
| "movq 8(%0, %%"FF_REG_a"), %%mm1\n\t" | |
| "movq (%1, %%"FF_REG_a"), %%mm4 \n\t" | |
| "movq 8(%1, %%"FF_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, %%"FF_REG_a"), %%mm4 \n\t" // block[i] == 0 ? -1 : 0 | |
| "pcmpeqw 8(%0, %%"FF_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, %%"FF_REG_a") \n\t" | |
| "movq %%mm5, 8(%0, %%"FF_REG_a")\n\t" | |
| "add $16, %%"FF_REG_a" \n\t" | |
| "js 1b \n\t" | |
| ::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "rm" (qscale), "g" (-2*nCoeffs) | |
| : "%"FF_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, %%"FF_REG_a" \n\t" | |
| ".p2align 4 \n\t" | |
| "1: \n\t" | |
| "movq (%0, %%"FF_REG_a"), %%mm0 \n\t" | |
| "movq 8(%0, %%"FF_REG_a"), %%mm1\n\t" | |
| "movq (%1, %%"FF_REG_a"), %%mm4 \n\t" | |
| "movq 8(%1, %%"FF_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, %%"FF_REG_a"), %%mm4 \n\t" // block[i] == 0 ? -1 : 0 | |
| "pcmpeqw 8(%0, %%"FF_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, %%"FF_REG_a") \n\t" | |
| "movq %%mm5, 8(%0, %%"FF_REG_a")\n\t" | |
| "add $16, %%"FF_REG_a" \n\t" | |
| "js 1b \n\t" | |
| ::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "rm" (qscale), "g" (-2*nCoeffs) | |
| : "%"FF_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->q_scale_type) qscale = ff_mpeg2_non_linear_qscale[qscale]; | |
| else qscale <<= 1; | |
| 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, %%"FF_REG_a" \n\t" | |
| ".p2align 4 \n\t" | |
| "1: \n\t" | |
| "movq (%0, %%"FF_REG_a"), %%mm0 \n\t" | |
| "movq 8(%0, %%"FF_REG_a"), %%mm1\n\t" | |
| "movq (%1, %%"FF_REG_a"), %%mm4 \n\t" | |
| "movq 8(%1, %%"FF_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, %%"FF_REG_a"), %%mm4 \n\t" // block[i] == 0 ? -1 : 0 | |
| "pcmpeqw 8(%0, %%"FF_REG_a"), %%mm5\n\t" // block[i] == 0 ? -1 : 0 | |
| "psraw $4, %%mm0 \n\t" | |
| "psraw $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" | |
| "movq %%mm4, (%0, %%"FF_REG_a") \n\t" | |
| "movq %%mm5, 8(%0, %%"FF_REG_a")\n\t" | |
| "add $16, %%"FF_REG_a" \n\t" | |
| "jng 1b \n\t" | |
| ::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "rm" (qscale), "g" (-2*nCoeffs) | |
| : "%"FF_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->q_scale_type) qscale = ff_mpeg2_non_linear_qscale[qscale]; | |
| else qscale <<= 1; | |
| 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, %%"FF_REG_a" \n\t" | |
| ".p2align 4 \n\t" | |
| "1: \n\t" | |
| "movq (%0, %%"FF_REG_a"), %%mm0 \n\t" | |
| "movq 8(%0, %%"FF_REG_a"), %%mm1\n\t" | |
| "movq (%1, %%"FF_REG_a"), %%mm4 \n\t" | |
| "movq 8(%1, %%"FF_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, %%"FF_REG_a"), %%mm4 \n\t" // block[i] == 0 ? -1 : 0 | |
| "pcmpeqw 8(%0, %%"FF_REG_a"), %%mm5\n\t" // block[i] == 0 ? -1 : 0 | |
| "psrlw $5, %%mm0 \n\t" | |
| "psrlw $5, %%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, %%"FF_REG_a") \n\t" | |
| "movq %%mm5, 8(%0, %%"FF_REG_a")\n\t" | |
| "add $16, %%"FF_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) | |
| : "%"FF_REG_a, "memory" | |
| ); | |
| } | |
| #endif /* HAVE_MMX_INLINE */ | |
| av_cold void ff_mpv_common_init_x86(MpegEncContext *s) | |
| { | |
| #if HAVE_MMX_INLINE | |
| int cpu_flags = av_get_cpu_flags(); | |
| if (INLINE_MMX(cpu_flags)) { | |
| 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->avctx->flags & AV_CODEC_FLAG_BITEXACT)) | |
| s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_mmx; | |
| s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_mmx; | |
| } | |
| #endif /* HAVE_MMX_INLINE */ | |
| } |