X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavcodec%2Fi386%2Fmpegvideo_mmx_template.c;fp=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavcodec%2Fi386%2Fmpegvideo_mmx_template.c;h=706211eec4d93bc72862ad1e5ac79a3c881bf444;hb=16b3beced25134bef064705568ecb893a6be4e79;hp=0000000000000000000000000000000000000000;hpb=5a1d028f56182922addfed8f1f1c28fdde12756c;p=synfig.git diff --git a/synfig-core/trunk/src/modules/mod_libavcodec/libavcodec/i386/mpegvideo_mmx_template.c b/synfig-core/trunk/src/modules/mod_libavcodec/libavcodec/i386/mpegvideo_mmx_template.c new file mode 100644 index 0000000..706211e --- /dev/null +++ b/synfig-core/trunk/src/modules/mod_libavcodec/libavcodec/i386/mpegvideo_mmx_template.c @@ -0,0 +1,339 @@ +/* + * MPEG video MMX templates + * + * Copyright (c) 2002 Michael Niedermayer + * + * This library 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 of the License, or (at your option) any later version. + * + * This library 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 this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#undef SPREADW +#undef PMAXW +#ifdef HAVE_MMX2 +#define SPREADW(a) "pshufw $0, " #a ", " #a " \n\t" +#define PMAXW(a,b) "pmaxsw " #a ", " #b " \n\t" + +#else +#define SPREADW(a) \ + "punpcklwd " #a ", " #a " \n\t"\ + "punpcklwd " #a ", " #a " \n\t" +#define PMAXW(a,b) \ + "psubusw " #a ", " #b " \n\t"\ + "paddw " #a ", " #b " \n\t" +#endif + +static int RENAME(dct_quantize)(MpegEncContext *s, + DCTELEM *block, int n, + int qscale, int *overflow) +{ + int level=0, last_non_zero_p1, q; //=0 is cuz gcc says uninitalized ... + const uint16_t *qmat, *bias; + __align8 int16_t temp_block[64]; + + assert((7&(int)(&temp_block[0])) == 0); //did gcc align it correctly? + + //s->fdct (block); + ff_fdct_mmx (block); //cant be anything else ... + + if (s->mb_intra) { + int dummy; + if (n < 4) + q = s->y_dc_scale; + else + q = s->c_dc_scale; + /* note: block[0] is assumed to be positive */ + if (!s->h263_aic) { +#if 1 + asm volatile ( + "imul %%ecx \n\t" + : "=d" (level), "=a"(dummy) + : "a" ((block[0]>>2) + q), "c" (inverse[q<<1]) + ); +#else + asm volatile ( + "xorl %%edx, %%edx \n\t" + "divw %%cx \n\t" + "movzwl %%ax, %%eax \n\t" + : "=a" (level) + : "a" ((block[0]>>2) + q), "c" (q<<1) + : "%edx" + ); +#endif + } else + /* For AIC we skip quant/dequant of INTRADC */ + level = (block[0] + 4)>>3; + + block[0]=0; //avoid fake overflow +// temp_block[0] = (block[0] + (q >> 1)) / q; + last_non_zero_p1 = 1; + bias = s->q_intra_matrix16_bias[qscale]; + qmat = s->q_intra_matrix16[qscale]; + } else { + last_non_zero_p1 = 0; + bias = s->q_inter_matrix16_bias[qscale]; + qmat = s->q_inter_matrix16[qscale]; + } + + if(s->out_format == FMT_H263 && s->mpeg_quant==0){ + + asm volatile( + "movd %%eax, %%mm3 \n\t" // last_non_zero_p1 + SPREADW(%%mm3) + "pxor %%mm7, %%mm7 \n\t" // 0 + "pxor %%mm4, %%mm4 \n\t" // 0 + "movq (%2), %%mm5 \n\t" // qmat[0] + "pxor %%mm6, %%mm6 \n\t" + "psubw (%3), %%mm6 \n\t" // -bias[0] + "movl $-128, %%eax \n\t" + ".balign 16 \n\t" + "1: \n\t" + "pxor %%mm1, %%mm1 \n\t" // 0 + "movq (%1, %%eax), %%mm0 \n\t" // block[i] + "pcmpgtw %%mm0, %%mm1 \n\t" // block[i] <= 0 ? 0xFF : 0x00 + "pxor %%mm1, %%mm0 \n\t" + "psubw %%mm1, %%mm0 \n\t" // ABS(block[i]) + "psubusw %%mm6, %%mm0 \n\t" // ABS(block[i]) + bias[0] + "pmulhw %%mm5, %%mm0 \n\t" // (ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16 + "por %%mm0, %%mm4 \n\t" + "pxor %%mm1, %%mm0 \n\t" + "psubw %%mm1, %%mm0 \n\t" // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i]) + "movq %%mm0, (%5, %%eax) \n\t" + "pcmpeqw %%mm7, %%mm0 \n\t" // out==0 ? 0xFF : 0x00 + "movq (%4, %%eax), %%mm1 \n\t" + "movq %%mm7, (%1, %%eax) \n\t" // 0 + "pandn %%mm1, %%mm0 \n\t" + PMAXW(%%mm0, %%mm3) + "addl $8, %%eax \n\t" + " js 1b \n\t" + "movq %%mm3, %%mm0 \n\t" + "psrlq $32, %%mm3 \n\t" + PMAXW(%%mm0, %%mm3) + "movq %%mm3, %%mm0 \n\t" + "psrlq $16, %%mm3 \n\t" + PMAXW(%%mm0, %%mm3) + "movd %%mm3, %%eax \n\t" + "movzbl %%al, %%eax \n\t" // last_non_zero_p1 + : "+a" (last_non_zero_p1) + : "r" (block+64), "r" (qmat), "r" (bias), + "r" (inv_zigzag_direct16+64), "r" (temp_block+64) + ); + // note the asm is split cuz gcc doesnt like that many operands ... + asm volatile( + "movd %1, %%mm1 \n\t" // max_qcoeff + SPREADW(%%mm1) + "psubusw %%mm1, %%mm4 \n\t" + "packuswb %%mm4, %%mm4 \n\t" + "movd %%mm4, %0 \n\t" // *overflow + : "=g" (*overflow) + : "g" (s->max_qcoeff) + ); + }else{ // FMT_H263 + asm volatile( + "movd %%eax, %%mm3 \n\t" // last_non_zero_p1 + SPREADW(%%mm3) + "pxor %%mm7, %%mm7 \n\t" // 0 + "pxor %%mm4, %%mm4 \n\t" // 0 + "movl $-128, %%eax \n\t" + ".balign 16 \n\t" + "1: \n\t" + "pxor %%mm1, %%mm1 \n\t" // 0 + "movq (%1, %%eax), %%mm0 \n\t" // block[i] + "pcmpgtw %%mm0, %%mm1 \n\t" // block[i] <= 0 ? 0xFF : 0x00 + "pxor %%mm1, %%mm0 \n\t" + "psubw %%mm1, %%mm0 \n\t" // ABS(block[i]) + "movq (%3, %%eax), %%mm6 \n\t" // bias[0] + "paddusw %%mm6, %%mm0 \n\t" // ABS(block[i]) + bias[0] + "movq (%2, %%eax), %%mm5 \n\t" // qmat[i] + "pmulhw %%mm5, %%mm0 \n\t" // (ABS(block[i])*qmat[0] + bias[0]*qmat[0])>>16 + "por %%mm0, %%mm4 \n\t" + "pxor %%mm1, %%mm0 \n\t" + "psubw %%mm1, %%mm0 \n\t" // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i]) + "movq %%mm0, (%5, %%eax) \n\t" + "pcmpeqw %%mm7, %%mm0 \n\t" // out==0 ? 0xFF : 0x00 + "movq (%4, %%eax), %%mm1 \n\t" + "movq %%mm7, (%1, %%eax) \n\t" // 0 + "pandn %%mm1, %%mm0 \n\t" + PMAXW(%%mm0, %%mm3) + "addl $8, %%eax \n\t" + " js 1b \n\t" + "movq %%mm3, %%mm0 \n\t" + "psrlq $32, %%mm3 \n\t" + PMAXW(%%mm0, %%mm3) + "movq %%mm3, %%mm0 \n\t" + "psrlq $16, %%mm3 \n\t" + PMAXW(%%mm0, %%mm3) + "movd %%mm3, %%eax \n\t" + "movzbl %%al, %%eax \n\t" // last_non_zero_p1 + : "+a" (last_non_zero_p1) + : "r" (block+64), "r" (qmat+64), "r" (bias+64), + "r" (inv_zigzag_direct16+64), "r" (temp_block+64) + ); + // note the asm is split cuz gcc doesnt like that many operands ... + asm volatile( + "movd %1, %%mm1 \n\t" // max_qcoeff + SPREADW(%%mm1) + "psubusw %%mm1, %%mm4 \n\t" + "packuswb %%mm4, %%mm4 \n\t" + "movd %%mm4, %0 \n\t" // *overflow + : "=g" (*overflow) + : "g" (s->max_qcoeff) + ); + } + + if(s->mb_intra) block[0]= level; + else block[0]= temp_block[0]; + + if(s->dsp.idct_permutation_type == FF_SIMPLE_IDCT_PERM){ + if(last_non_zero_p1 <= 1) goto end; + block[0x08] = temp_block[0x01]; block[0x10] = temp_block[0x08]; + block[0x20] = temp_block[0x10]; + if(last_non_zero_p1 <= 4) goto end; + block[0x18] = temp_block[0x09]; block[0x04] = temp_block[0x02]; + block[0x09] = temp_block[0x03]; + if(last_non_zero_p1 <= 7) goto end; + block[0x14] = temp_block[0x0A]; block[0x28] = temp_block[0x11]; + block[0x12] = temp_block[0x18]; block[0x02] = temp_block[0x20]; + if(last_non_zero_p1 <= 11) goto end; + block[0x1A] = temp_block[0x19]; block[0x24] = temp_block[0x12]; + block[0x19] = temp_block[0x0B]; block[0x01] = temp_block[0x04]; + block[0x0C] = temp_block[0x05]; + if(last_non_zero_p1 <= 16) goto end; + block[0x11] = temp_block[0x0C]; block[0x29] = temp_block[0x13]; + block[0x16] = temp_block[0x1A]; block[0x0A] = temp_block[0x21]; + block[0x30] = temp_block[0x28]; block[0x22] = temp_block[0x30]; + block[0x38] = temp_block[0x29]; block[0x06] = temp_block[0x22]; + if(last_non_zero_p1 <= 24) goto end; + block[0x1B] = temp_block[0x1B]; block[0x21] = temp_block[0x14]; + block[0x1C] = temp_block[0x0D]; block[0x05] = temp_block[0x06]; + block[0x0D] = temp_block[0x07]; block[0x15] = temp_block[0x0E]; + block[0x2C] = temp_block[0x15]; block[0x13] = temp_block[0x1C]; + if(last_non_zero_p1 <= 32) goto end; + block[0x0B] = temp_block[0x23]; block[0x34] = temp_block[0x2A]; + block[0x2A] = temp_block[0x31]; block[0x32] = temp_block[0x38]; + block[0x3A] = temp_block[0x39]; block[0x26] = temp_block[0x32]; + block[0x39] = temp_block[0x2B]; block[0x03] = temp_block[0x24]; + if(last_non_zero_p1 <= 40) goto end; + block[0x1E] = temp_block[0x1D]; block[0x25] = temp_block[0x16]; + block[0x1D] = temp_block[0x0F]; block[0x2D] = temp_block[0x17]; + block[0x17] = temp_block[0x1E]; block[0x0E] = temp_block[0x25]; + block[0x31] = temp_block[0x2C]; block[0x2B] = temp_block[0x33]; + if(last_non_zero_p1 <= 48) goto end; + block[0x36] = temp_block[0x3A]; block[0x3B] = temp_block[0x3B]; + block[0x23] = temp_block[0x34]; block[0x3C] = temp_block[0x2D]; + block[0x07] = temp_block[0x26]; block[0x1F] = temp_block[0x1F]; + block[0x0F] = temp_block[0x27]; block[0x35] = temp_block[0x2E]; + if(last_non_zero_p1 <= 56) goto end; + block[0x2E] = temp_block[0x35]; block[0x33] = temp_block[0x3C]; + block[0x3E] = temp_block[0x3D]; block[0x27] = temp_block[0x36]; + block[0x3D] = temp_block[0x2F]; block[0x2F] = temp_block[0x37]; + block[0x37] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F]; + }else if(s->dsp.idct_permutation_type == FF_LIBMPEG2_IDCT_PERM){ + if(last_non_zero_p1 <= 1) goto end; + block[0x04] = temp_block[0x01]; + block[0x08] = temp_block[0x08]; block[0x10] = temp_block[0x10]; + if(last_non_zero_p1 <= 4) goto end; + block[0x0C] = temp_block[0x09]; block[0x01] = temp_block[0x02]; + block[0x05] = temp_block[0x03]; + if(last_non_zero_p1 <= 7) goto end; + block[0x09] = temp_block[0x0A]; block[0x14] = temp_block[0x11]; + block[0x18] = temp_block[0x18]; block[0x20] = temp_block[0x20]; + if(last_non_zero_p1 <= 11) goto end; + block[0x1C] = temp_block[0x19]; + block[0x11] = temp_block[0x12]; block[0x0D] = temp_block[0x0B]; + block[0x02] = temp_block[0x04]; block[0x06] = temp_block[0x05]; + if(last_non_zero_p1 <= 16) goto end; + block[0x0A] = temp_block[0x0C]; block[0x15] = temp_block[0x13]; + block[0x19] = temp_block[0x1A]; block[0x24] = temp_block[0x21]; + block[0x28] = temp_block[0x28]; block[0x30] = temp_block[0x30]; + block[0x2C] = temp_block[0x29]; block[0x21] = temp_block[0x22]; + if(last_non_zero_p1 <= 24) goto end; + block[0x1D] = temp_block[0x1B]; block[0x12] = temp_block[0x14]; + block[0x0E] = temp_block[0x0D]; block[0x03] = temp_block[0x06]; + block[0x07] = temp_block[0x07]; block[0x0B] = temp_block[0x0E]; + block[0x16] = temp_block[0x15]; block[0x1A] = temp_block[0x1C]; + if(last_non_zero_p1 <= 32) goto end; + block[0x25] = temp_block[0x23]; block[0x29] = temp_block[0x2A]; + block[0x34] = temp_block[0x31]; block[0x38] = temp_block[0x38]; + block[0x3C] = temp_block[0x39]; block[0x31] = temp_block[0x32]; + block[0x2D] = temp_block[0x2B]; block[0x22] = temp_block[0x24]; + if(last_non_zero_p1 <= 40) goto end; + block[0x1E] = temp_block[0x1D]; block[0x13] = temp_block[0x16]; + block[0x0F] = temp_block[0x0F]; block[0x17] = temp_block[0x17]; + block[0x1B] = temp_block[0x1E]; block[0x26] = temp_block[0x25]; + block[0x2A] = temp_block[0x2C]; block[0x35] = temp_block[0x33]; + if(last_non_zero_p1 <= 48) goto end; + block[0x39] = temp_block[0x3A]; block[0x3D] = temp_block[0x3B]; + block[0x32] = temp_block[0x34]; block[0x2E] = temp_block[0x2D]; + block[0x23] = temp_block[0x26]; block[0x1F] = temp_block[0x1F]; + block[0x27] = temp_block[0x27]; block[0x2B] = temp_block[0x2E]; + if(last_non_zero_p1 <= 56) goto end; + block[0x36] = temp_block[0x35]; block[0x3A] = temp_block[0x3C]; + block[0x3E] = temp_block[0x3D]; block[0x33] = temp_block[0x36]; + block[0x2F] = temp_block[0x2F]; block[0x37] = temp_block[0x37]; + block[0x3B] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F]; + }else{ + if(last_non_zero_p1 <= 1) goto end; + block[0x01] = temp_block[0x01]; + block[0x08] = temp_block[0x08]; block[0x10] = temp_block[0x10]; + if(last_non_zero_p1 <= 4) goto end; + block[0x09] = temp_block[0x09]; block[0x02] = temp_block[0x02]; + block[0x03] = temp_block[0x03]; + if(last_non_zero_p1 <= 7) goto end; + block[0x0A] = temp_block[0x0A]; block[0x11] = temp_block[0x11]; + block[0x18] = temp_block[0x18]; block[0x20] = temp_block[0x20]; + if(last_non_zero_p1 <= 11) goto end; + block[0x19] = temp_block[0x19]; + block[0x12] = temp_block[0x12]; block[0x0B] = temp_block[0x0B]; + block[0x04] = temp_block[0x04]; block[0x05] = temp_block[0x05]; + if(last_non_zero_p1 <= 16) goto end; + block[0x0C] = temp_block[0x0C]; block[0x13] = temp_block[0x13]; + block[0x1A] = temp_block[0x1A]; block[0x21] = temp_block[0x21]; + block[0x28] = temp_block[0x28]; block[0x30] = temp_block[0x30]; + block[0x29] = temp_block[0x29]; block[0x22] = temp_block[0x22]; + if(last_non_zero_p1 <= 24) goto end; + block[0x1B] = temp_block[0x1B]; block[0x14] = temp_block[0x14]; + block[0x0D] = temp_block[0x0D]; block[0x06] = temp_block[0x06]; + block[0x07] = temp_block[0x07]; block[0x0E] = temp_block[0x0E]; + block[0x15] = temp_block[0x15]; block[0x1C] = temp_block[0x1C]; + if(last_non_zero_p1 <= 32) goto end; + block[0x23] = temp_block[0x23]; block[0x2A] = temp_block[0x2A]; + block[0x31] = temp_block[0x31]; block[0x38] = temp_block[0x38]; + block[0x39] = temp_block[0x39]; block[0x32] = temp_block[0x32]; + block[0x2B] = temp_block[0x2B]; block[0x24] = temp_block[0x24]; + if(last_non_zero_p1 <= 40) goto end; + block[0x1D] = temp_block[0x1D]; block[0x16] = temp_block[0x16]; + block[0x0F] = temp_block[0x0F]; block[0x17] = temp_block[0x17]; + block[0x1E] = temp_block[0x1E]; block[0x25] = temp_block[0x25]; + block[0x2C] = temp_block[0x2C]; block[0x33] = temp_block[0x33]; + if(last_non_zero_p1 <= 48) goto end; + block[0x3A] = temp_block[0x3A]; block[0x3B] = temp_block[0x3B]; + block[0x34] = temp_block[0x34]; block[0x2D] = temp_block[0x2D]; + block[0x26] = temp_block[0x26]; block[0x1F] = temp_block[0x1F]; + block[0x27] = temp_block[0x27]; block[0x2E] = temp_block[0x2E]; + if(last_non_zero_p1 <= 56) goto end; + block[0x35] = temp_block[0x35]; block[0x3C] = temp_block[0x3C]; + block[0x3D] = temp_block[0x3D]; block[0x36] = temp_block[0x36]; + block[0x2F] = temp_block[0x2F]; block[0x37] = temp_block[0x37]; + block[0x3E] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F]; + } + end: +/* + for(i=0; i