diff options
Diffstat (limited to 'libavcodec/x86/mpegvideo_mmx_template.c')
| -rw-r--r-- | libavcodec/x86/mpegvideo_mmx_template.c | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/libavcodec/x86/mpegvideo_mmx_template.c b/libavcodec/x86/mpegvideo_mmx_template.c new file mode 100644 index 0000000000..a1aae5fdd4 --- /dev/null +++ b/libavcodec/x86/mpegvideo_mmx_template.c @@ -0,0 +1,376 @@ +/* + * MPEG video MMX templates + * + * Copyright (c) 2002 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 + */ + +#undef MMREG_WIDTH +#undef MM +#undef MOVQ +#undef SPREADW +#undef PMAXW +#undef PMAX +#undef SAVE_SIGN +#undef RESTORE_SIGN + +#if defined(HAVE_SSE2) +#define MMREG_WIDTH "16" +#define MM "%%xmm" +#define MOVQ "movdqa" +#define SPREADW(a) \ + "pshuflw $0, "a", "a" \n\t"\ + "punpcklwd "a", "a" \n\t" +#define PMAXW(a,b) "pmaxsw "a", "b" \n\t" +#define PMAX(a,b) \ + "movhlps "a", "b" \n\t"\ + PMAXW(b, a)\ + "pshuflw $0x0E, "a", "b" \n\t"\ + PMAXW(b, a)\ + "pshuflw $0x01, "a", "b" \n\t"\ + PMAXW(b, a) +#else +#define MMREG_WIDTH "8" +#define MM "%%mm" +#define MOVQ "movq" +#if defined(HAVE_MMX2) +#define SPREADW(a) "pshufw $0, "a", "a" \n\t" +#define PMAXW(a,b) "pmaxsw "a", "b" \n\t" +#define PMAX(a,b) \ + "pshufw $0x0E, "a", "b" \n\t"\ + PMAXW(b, a)\ + "pshufw $0x01, "a", "b" \n\t"\ + PMAXW(b, a) +#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" +#define PMAX(a,b) \ + "movq "a", "b" \n\t"\ + "psrlq $32, "a" \n\t"\ + PMAXW(b, a)\ + "movq "a", "b" \n\t"\ + "psrlq $16, "a" \n\t"\ + PMAXW(b, a) + +#endif +#endif + +#ifdef HAVE_SSSE3 +#define SAVE_SIGN(a,b) \ + "movdqa "b", "a" \n\t"\ + "pabsw "b", "b" \n\t" +#define RESTORE_SIGN(a,b) \ + "psignw "a", "b" \n\t" +#else +#define SAVE_SIGN(a,b) \ + "pxor "a", "a" \n\t"\ + "pcmpgtw "b", "a" \n\t" /* block[i] <= 0 ? 0xFF : 0x00 */\ + "pxor "a", "b" \n\t"\ + "psubw "a", "b" \n\t" /* ABS(block[i]) */ +#define RESTORE_SIGN(a,b) \ + "pxor "a", "b" \n\t"\ + "psubw "a", "b" \n\t" // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i]) +#endif + +static int RENAME(dct_quantize)(MpegEncContext *s, + DCTELEM *block, int n, + int qscale, int *overflow) +{ + x86_reg last_non_zero_p1; + int level=0, q; //=0 is because gcc says uninitialized ... + const uint16_t *qmat, *bias; + DECLARE_ALIGNED_16(int16_t, temp_block[64]); + + assert((7&(int)(&temp_block[0])) == 0); //did gcc align it correctly? + + //s->fdct (block); + RENAMEl(ff_fdct) (block); //cannot be anything else ... + + if(s->dct_error_sum) + s->denoise_dct(s, block); + + 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 ( + "mul %%ecx \n\t" + : "=d" (level), "=a"(dummy) + : "a" ((block[0]>>2) + q), "c" (ff_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[qscale][1]; + qmat = s->q_intra_matrix16[qscale][0]; + } else { + last_non_zero_p1 = 0; + bias = s->q_inter_matrix16[qscale][1]; + qmat = s->q_inter_matrix16[qscale][0]; + } + + if((s->out_format == FMT_H263 || s->out_format == FMT_H261) && s->mpeg_quant==0){ + + __asm__ volatile( + "movd %%"REG_a", "MM"3 \n\t" // last_non_zero_p1 + SPREADW(MM"3") + "pxor "MM"7, "MM"7 \n\t" // 0 + "pxor "MM"4, "MM"4 \n\t" // 0 + MOVQ" (%2), "MM"5 \n\t" // qmat[0] + "pxor "MM"6, "MM"6 \n\t" + "psubw (%3), "MM"6 \n\t" // -bias[0] + "mov $-128, %%"REG_a" \n\t" + ASMALIGN(4) + "1: \n\t" + MOVQ" (%1, %%"REG_a"), "MM"0 \n\t" // block[i] + SAVE_SIGN(MM"1", MM"0") // ABS(block[i]) + "psubusw "MM"6, "MM"0 \n\t" // ABS(block[i]) + bias[0] + "pmulhw "MM"5, "MM"0 \n\t" // (ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16 + "por "MM"0, "MM"4 \n\t" + RESTORE_SIGN(MM"1", MM"0") // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i]) + MOVQ" "MM"0, (%5, %%"REG_a") \n\t" + "pcmpeqw "MM"7, "MM"0 \n\t" // out==0 ? 0xFF : 0x00 + MOVQ" (%4, %%"REG_a"), "MM"1 \n\t" + MOVQ" "MM"7, (%1, %%"REG_a") \n\t" // 0 + "pandn "MM"1, "MM"0 \n\t" + PMAXW(MM"0", MM"3") + "add $"MMREG_WIDTH", %%"REG_a" \n\t" + " js 1b \n\t" + PMAX(MM"3", MM"0") + "movd "MM"3, %%"REG_a" \n\t" + "movzb %%al, %%"REG_a" \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) + ); + }else{ // FMT_H263 + __asm__ volatile( + "movd %%"REG_a", "MM"3 \n\t" // last_non_zero_p1 + SPREADW(MM"3") + "pxor "MM"7, "MM"7 \n\t" // 0 + "pxor "MM"4, "MM"4 \n\t" // 0 + "mov $-128, %%"REG_a" \n\t" + ASMALIGN(4) + "1: \n\t" + MOVQ" (%1, %%"REG_a"), "MM"0 \n\t" // block[i] + SAVE_SIGN(MM"1", MM"0") // ABS(block[i]) + MOVQ" (%3, %%"REG_a"), "MM"6 \n\t" // bias[0] + "paddusw "MM"6, "MM"0 \n\t" // ABS(block[i]) + bias[0] + MOVQ" (%2, %%"REG_a"), "MM"5 \n\t" // qmat[i] + "pmulhw "MM"5, "MM"0 \n\t" // (ABS(block[i])*qmat[0] + bias[0]*qmat[0])>>16 + "por "MM"0, "MM"4 \n\t" + RESTORE_SIGN(MM"1", MM"0") // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i]) + MOVQ" "MM"0, (%5, %%"REG_a") \n\t" + "pcmpeqw "MM"7, "MM"0 \n\t" // out==0 ? 0xFF : 0x00 + MOVQ" (%4, %%"REG_a"), "MM"1 \n\t" + MOVQ" "MM"7, (%1, %%"REG_a") \n\t" // 0 + "pandn "MM"1, "MM"0 \n\t" + PMAXW(MM"0", MM"3") + "add $"MMREG_WIDTH", %%"REG_a" \n\t" + " js 1b \n\t" + PMAX(MM"3", MM"0") + "movd "MM"3, %%"REG_a" \n\t" + "movzb %%al, %%"REG_a" \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) + ); + } + __asm__ volatile( + "movd %1, "MM"1 \n\t" // max_qcoeff + SPREADW(MM"1") + "psubusw "MM"1, "MM"4 \n\t" + "packuswb "MM"4, "MM"4 \n\t" +#ifdef HAVE_SSE2 + "packuswb "MM"4, "MM"4 \n\t" +#endif + "movd "MM"4, %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<last_non_zero_p1; i++) + { + int j= zigzag_direct_noperm[i]; + block[block_permute_op(j)]= temp_block[j]; + } +*/ + + return last_non_zero_p1 - 1; +} |