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/* |
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* MPEG video MMX templates |
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* |
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* Copyright (c) 2002 Michael Niedermayer <michaelni@gmx.at> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include <stdint.h> |
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#include "libavutil/internal.h" |
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#include "libavutil/x86/asm.h" |
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#include "libavcodec/mpegutils.h" |
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#include "libavcodec/mpegvideo.h" |
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#include "fdct.h" |
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#undef MMREG_WIDTH |
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#undef MM |
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#undef MOVQ |
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#undef SPREADW |
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#undef PMAXW |
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#undef PMAX |
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#undef SAVE_SIGN |
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#undef RESTORE_SIGN |
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#if COMPILE_TEMPLATE_SSE2 |
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#define MMREG_WIDTH "16" |
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#define MM "%%xmm" |
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#define MOVQ "movdqa" |
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#define SPREADW(a) \ |
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"pshuflw $0, "a", "a" \n\t"\ |
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"punpcklwd "a", "a" \n\t" |
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#define PMAXW(a,b) "pmaxsw "a", "b" \n\t" |
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#define PMAX(a,b) \ |
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"movhlps "a", "b" \n\t"\ |
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PMAXW(b, a)\ |
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"pshuflw $0x0E, "a", "b" \n\t"\ |
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PMAXW(b, a)\ |
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"pshuflw $0x01, "a", "b" \n\t"\ |
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PMAXW(b, a) |
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#else |
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#define MMREG_WIDTH "8" |
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#define MM "%%mm" |
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#define MOVQ "movq" |
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#if COMPILE_TEMPLATE_MMXEXT |
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#define SPREADW(a) "pshufw $0, "a", "a" \n\t" |
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#define PMAXW(a,b) "pmaxsw "a", "b" \n\t" |
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#define PMAX(a,b) \ |
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"pshufw $0x0E, "a", "b" \n\t"\ |
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PMAXW(b, a)\ |
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"pshufw $0x01, "a", "b" \n\t"\ |
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PMAXW(b, a) |
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#else |
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#define SPREADW(a) \ |
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"punpcklwd "a", "a" \n\t"\ |
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"punpcklwd "a", "a" \n\t" |
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#define PMAXW(a,b) \ |
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"psubusw "a", "b" \n\t"\ |
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"paddw "a", "b" \n\t" |
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#define PMAX(a,b) \ |
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"movq "a", "b" \n\t"\ |
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"psrlq $32, "a" \n\t"\ |
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PMAXW(b, a)\ |
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"movq "a", "b" \n\t"\ |
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"psrlq $16, "a" \n\t"\ |
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PMAXW(b, a) |
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#endif |
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#endif |
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#if COMPILE_TEMPLATE_SSSE3 |
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#define SAVE_SIGN(a,b) \ |
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"movdqa "b", "a" \n\t"\ |
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"pabsw "b", "b" \n\t" |
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#define RESTORE_SIGN(a,b) \ |
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"psignw "a", "b" \n\t" |
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#else |
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#define SAVE_SIGN(a,b) \ |
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"pxor "a", "a" \n\t"\ |
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"pcmpgtw "b", "a" \n\t" /* block[i] <= 0 ? 0xFF : 0x00 */\ |
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"pxor "a", "b" \n\t"\ |
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"psubw "a", "b" \n\t" /* ABS(block[i]) */ |
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#define RESTORE_SIGN(a,b) \ |
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"pxor "a", "b" \n\t"\ |
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"psubw "a", "b" \n\t" // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i]) |
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#endif |
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static int RENAME(dct_quantize)(MpegEncContext *s, |
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int16_t *block, int n, |
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int qscale, int *overflow) |
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{ |
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x86_reg last_non_zero_p1; |
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int level=0, q; //=0 is because gcc says uninitialized ... |
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const uint16_t *qmat, *bias; |
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LOCAL_ALIGNED_16(int16_t, temp_block, [64]); |
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av_assert2((7&(int)(&temp_block[0])) == 0); //did gcc align it correctly? |
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//s->fdct (block); |
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RENAME_FDCT(ff_fdct)(block); // cannot be anything else ... |
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if(s->dct_error_sum) |
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s->denoise_dct(s, block); |
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if (s->mb_intra) { |
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int dummy; |
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if (n < 4){ |
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q = s->y_dc_scale; |
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bias = s->q_intra_matrix16[qscale][1]; |
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qmat = s->q_intra_matrix16[qscale][0]; |
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}else{ |
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q = s->c_dc_scale; |
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bias = s->q_chroma_intra_matrix16[qscale][1]; |
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qmat = s->q_chroma_intra_matrix16[qscale][0]; |
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} |
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/* note: block[0] is assumed to be positive */ |
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if (!s->h263_aic) { |
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__asm__ volatile ( |
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"mul %%ecx \n\t" |
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: "=d" (level), "=a"(dummy) |
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: "a" ((block[0]>>2) + q), "c" (ff_inverse[q<<1]) |
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); |
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} else |
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/* For AIC we skip quant/dequant of INTRADC */ |
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level = (block[0] + 4)>>3; |
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block[0]=0; //avoid fake overflow |
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// temp_block[0] = (block[0] + (q >> 1)) / q; |
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last_non_zero_p1 = 1; |
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} else { |
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last_non_zero_p1 = 0; |
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bias = s->q_inter_matrix16[qscale][1]; |
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qmat = s->q_inter_matrix16[qscale][0]; |
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} |
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if((s->out_format == FMT_H263 || s->out_format == FMT_H261) && s->mpeg_quant==0){ |
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__asm__ volatile( |
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"movd %%"FF_REG_a", "MM"3 \n\t" // last_non_zero_p1 |
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SPREADW(MM"3") |
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"pxor "MM"7, "MM"7 \n\t" // 0 |
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"pxor "MM"4, "MM"4 \n\t" // 0 |
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MOVQ" (%2), "MM"5 \n\t" // qmat[0] |
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"pxor "MM"6, "MM"6 \n\t" |
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"psubw (%3), "MM"6 \n\t" // -bias[0] |
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"mov $-128, %%"FF_REG_a" \n\t" |
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".p2align 4 \n\t" |
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"1: \n\t" |
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MOVQ" (%1, %%"FF_REG_a"), "MM"0 \n\t" // block[i] |
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SAVE_SIGN(MM"1", MM"0") // ABS(block[i]) |
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"psubusw "MM"6, "MM"0 \n\t" // ABS(block[i]) + bias[0] |
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"pmulhw "MM"5, "MM"0 \n\t" // (ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16 |
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"por "MM"0, "MM"4 \n\t" |
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RESTORE_SIGN(MM"1", MM"0") // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i]) |
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MOVQ" "MM"0, (%5, %%"FF_REG_a") \n\t" |
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"pcmpeqw "MM"7, "MM"0 \n\t" // out==0 ? 0xFF : 0x00 |
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MOVQ" (%4, %%"FF_REG_a"), "MM"1 \n\t" |
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MOVQ" "MM"7, (%1, %%"FF_REG_a") \n\t" // 0 |
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"pandn "MM"1, "MM"0 \n\t" |
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PMAXW(MM"0", MM"3") |
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"add $"MMREG_WIDTH", %%"FF_REG_a" \n\t" |
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" js 1b \n\t" |
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PMAX(MM"3", MM"0") |
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"movd "MM"3, %%"FF_REG_a" \n\t" |
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"movzbl %%al, %%eax \n\t" // last_non_zero_p1 |
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: "+a" (last_non_zero_p1) |
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: "r" (block+64), "r" (qmat), "r" (bias), |
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"r" (inv_zigzag_direct16 + 64), "r" (temp_block + 64) |
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XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3", |
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"%xmm4", "%xmm5", "%xmm6", "%xmm7") |
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); |
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}else{ // FMT_H263 |
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__asm__ volatile( |
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"movd %%"FF_REG_a", "MM"3 \n\t" // last_non_zero_p1 |
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SPREADW(MM"3") |
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"pxor "MM"7, "MM"7 \n\t" // 0 |
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"pxor "MM"4, "MM"4 \n\t" // 0 |
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"mov $-128, %%"FF_REG_a" \n\t" |
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".p2align 4 \n\t" |
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"1: \n\t" |
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MOVQ" (%1, %%"FF_REG_a"), "MM"0 \n\t" // block[i] |
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SAVE_SIGN(MM"1", MM"0") // ABS(block[i]) |
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MOVQ" (%3, %%"FF_REG_a"), "MM"6 \n\t" // bias[0] |
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"paddusw "MM"6, "MM"0 \n\t" // ABS(block[i]) + bias[0] |
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MOVQ" (%2, %%"FF_REG_a"), "MM"5 \n\t" // qmat[i] |
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"pmulhw "MM"5, "MM"0 \n\t" // (ABS(block[i])*qmat[0] + bias[0]*qmat[0])>>16 |
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"por "MM"0, "MM"4 \n\t" |
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RESTORE_SIGN(MM"1", MM"0") // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i]) |
203 |
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MOVQ" "MM"0, (%5, %%"FF_REG_a") \n\t" |
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"pcmpeqw "MM"7, "MM"0 \n\t" // out==0 ? 0xFF : 0x00 |
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MOVQ" (%4, %%"FF_REG_a"), "MM"1 \n\t" |
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MOVQ" "MM"7, (%1, %%"FF_REG_a") \n\t" // 0 |
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"pandn "MM"1, "MM"0 \n\t" |
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PMAXW(MM"0", MM"3") |
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"add $"MMREG_WIDTH", %%"FF_REG_a" \n\t" |
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" js 1b \n\t" |
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PMAX(MM"3", MM"0") |
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"movd "MM"3, %%"FF_REG_a" \n\t" |
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"movzbl %%al, %%eax \n\t" // last_non_zero_p1 |
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: "+a" (last_non_zero_p1) |
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: "r" (block+64), "r" (qmat+64), "r" (bias+64), |
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"r" (inv_zigzag_direct16 + 64), "r" (temp_block + 64) |
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XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3", |
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"%xmm4", "%xmm5", "%xmm6", "%xmm7") |
219 |
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); |
220 |
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} |
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__asm__ volatile( |
222 |
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"movd %1, "MM"1 \n\t" // max_qcoeff |
223 |
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SPREADW(MM"1") |
224 |
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"psubusw "MM"1, "MM"4 \n\t" |
225 |
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"packuswb "MM"4, "MM"4 \n\t" |
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#if COMPILE_TEMPLATE_SSE2 |
227 |
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"packsswb "MM"4, "MM"4 \n\t" |
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#endif |
229 |
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"movd "MM"4, %0 \n\t" // *overflow |
230 |
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: "=g" (*overflow) |
231 |
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: "g" (s->max_qcoeff) |
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); |
233 |
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234 |
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if(s->mb_intra) block[0]= level; |
235 |
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else block[0]= temp_block[0]; |
236 |
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237 |
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if (s->idsp.perm_type == FF_IDCT_PERM_SIMPLE) { |
238 |
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if(last_non_zero_p1 <= 1) goto end; |
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block[0x08] = temp_block[0x01]; block[0x10] = temp_block[0x08]; |
240 |
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block[0x20] = temp_block[0x10]; |
241 |
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if(last_non_zero_p1 <= 4) goto end; |
242 |
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block[0x18] = temp_block[0x09]; block[0x04] = temp_block[0x02]; |
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block[0x09] = temp_block[0x03]; |
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if(last_non_zero_p1 <= 7) goto end; |
245 |
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block[0x14] = temp_block[0x0A]; block[0x28] = temp_block[0x11]; |
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block[0x12] = temp_block[0x18]; block[0x02] = temp_block[0x20]; |
247 |
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if(last_non_zero_p1 <= 11) goto end; |
248 |
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block[0x1A] = temp_block[0x19]; block[0x24] = temp_block[0x12]; |
249 |
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block[0x19] = temp_block[0x0B]; block[0x01] = temp_block[0x04]; |
250 |
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block[0x0C] = temp_block[0x05]; |
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if(last_non_zero_p1 <= 16) goto end; |
252 |
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block[0x11] = temp_block[0x0C]; block[0x29] = temp_block[0x13]; |
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block[0x16] = temp_block[0x1A]; block[0x0A] = temp_block[0x21]; |
254 |
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block[0x30] = temp_block[0x28]; block[0x22] = temp_block[0x30]; |
255 |
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block[0x38] = temp_block[0x29]; block[0x06] = temp_block[0x22]; |
256 |
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if(last_non_zero_p1 <= 24) goto end; |
257 |
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block[0x1B] = temp_block[0x1B]; block[0x21] = temp_block[0x14]; |
258 |
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block[0x1C] = temp_block[0x0D]; block[0x05] = temp_block[0x06]; |
259 |
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block[0x0D] = temp_block[0x07]; block[0x15] = temp_block[0x0E]; |
260 |
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block[0x2C] = temp_block[0x15]; block[0x13] = temp_block[0x1C]; |
261 |
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if(last_non_zero_p1 <= 32) goto end; |
262 |
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block[0x0B] = temp_block[0x23]; block[0x34] = temp_block[0x2A]; |
263 |
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block[0x2A] = temp_block[0x31]; block[0x32] = temp_block[0x38]; |
264 |
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block[0x3A] = temp_block[0x39]; block[0x26] = temp_block[0x32]; |
265 |
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block[0x39] = temp_block[0x2B]; block[0x03] = temp_block[0x24]; |
266 |
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if(last_non_zero_p1 <= 40) goto end; |
267 |
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block[0x1E] = temp_block[0x1D]; block[0x25] = temp_block[0x16]; |
268 |
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block[0x1D] = temp_block[0x0F]; block[0x2D] = temp_block[0x17]; |
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block[0x17] = temp_block[0x1E]; block[0x0E] = temp_block[0x25]; |
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block[0x31] = temp_block[0x2C]; block[0x2B] = temp_block[0x33]; |
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if(last_non_zero_p1 <= 48) goto end; |
272 |
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block[0x36] = temp_block[0x3A]; block[0x3B] = temp_block[0x3B]; |
273 |
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block[0x23] = temp_block[0x34]; block[0x3C] = temp_block[0x2D]; |
274 |
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block[0x07] = temp_block[0x26]; block[0x1F] = temp_block[0x1F]; |
275 |
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block[0x0F] = temp_block[0x27]; block[0x35] = temp_block[0x2E]; |
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if(last_non_zero_p1 <= 56) goto end; |
277 |
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block[0x2E] = temp_block[0x35]; block[0x33] = temp_block[0x3C]; |
278 |
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block[0x3E] = temp_block[0x3D]; block[0x27] = temp_block[0x36]; |
279 |
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block[0x3D] = temp_block[0x2F]; block[0x2F] = temp_block[0x37]; |
280 |
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block[0x37] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F]; |
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}else if(s->idsp.perm_type == FF_IDCT_PERM_LIBMPEG2){ |
282 |
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if(last_non_zero_p1 <= 1) goto end; |
283 |
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block[0x04] = temp_block[0x01]; |
284 |
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block[0x08] = temp_block[0x08]; block[0x10] = temp_block[0x10]; |
285 |
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if(last_non_zero_p1 <= 4) goto end; |
286 |
|
|
block[0x0C] = temp_block[0x09]; block[0x01] = temp_block[0x02]; |
287 |
|
|
block[0x05] = temp_block[0x03]; |
288 |
|
|
if(last_non_zero_p1 <= 7) goto end; |
289 |
|
|
block[0x09] = temp_block[0x0A]; block[0x14] = temp_block[0x11]; |
290 |
|
|
block[0x18] = temp_block[0x18]; block[0x20] = temp_block[0x20]; |
291 |
|
|
if(last_non_zero_p1 <= 11) goto end; |
292 |
|
|
block[0x1C] = temp_block[0x19]; |
293 |
|
|
block[0x11] = temp_block[0x12]; block[0x0D] = temp_block[0x0B]; |
294 |
|
|
block[0x02] = temp_block[0x04]; block[0x06] = temp_block[0x05]; |
295 |
|
|
if(last_non_zero_p1 <= 16) goto end; |
296 |
|
|
block[0x0A] = temp_block[0x0C]; block[0x15] = temp_block[0x13]; |
297 |
|
|
block[0x19] = temp_block[0x1A]; block[0x24] = temp_block[0x21]; |
298 |
|
|
block[0x28] = temp_block[0x28]; block[0x30] = temp_block[0x30]; |
299 |
|
|
block[0x2C] = temp_block[0x29]; block[0x21] = temp_block[0x22]; |
300 |
|
|
if(last_non_zero_p1 <= 24) goto end; |
301 |
|
|
block[0x1D] = temp_block[0x1B]; block[0x12] = temp_block[0x14]; |
302 |
|
|
block[0x0E] = temp_block[0x0D]; block[0x03] = temp_block[0x06]; |
303 |
|
|
block[0x07] = temp_block[0x07]; block[0x0B] = temp_block[0x0E]; |
304 |
|
|
block[0x16] = temp_block[0x15]; block[0x1A] = temp_block[0x1C]; |
305 |
|
|
if(last_non_zero_p1 <= 32) goto end; |
306 |
|
|
block[0x25] = temp_block[0x23]; block[0x29] = temp_block[0x2A]; |
307 |
|
|
block[0x34] = temp_block[0x31]; block[0x38] = temp_block[0x38]; |
308 |
|
|
block[0x3C] = temp_block[0x39]; block[0x31] = temp_block[0x32]; |
309 |
|
|
block[0x2D] = temp_block[0x2B]; block[0x22] = temp_block[0x24]; |
310 |
|
|
if(last_non_zero_p1 <= 40) goto end; |
311 |
|
|
block[0x1E] = temp_block[0x1D]; block[0x13] = temp_block[0x16]; |
312 |
|
|
block[0x0F] = temp_block[0x0F]; block[0x17] = temp_block[0x17]; |
313 |
|
|
block[0x1B] = temp_block[0x1E]; block[0x26] = temp_block[0x25]; |
314 |
|
|
block[0x2A] = temp_block[0x2C]; block[0x35] = temp_block[0x33]; |
315 |
|
|
if(last_non_zero_p1 <= 48) goto end; |
316 |
|
|
block[0x39] = temp_block[0x3A]; block[0x3D] = temp_block[0x3B]; |
317 |
|
|
block[0x32] = temp_block[0x34]; block[0x2E] = temp_block[0x2D]; |
318 |
|
|
block[0x23] = temp_block[0x26]; block[0x1F] = temp_block[0x1F]; |
319 |
|
|
block[0x27] = temp_block[0x27]; block[0x2B] = temp_block[0x2E]; |
320 |
|
|
if(last_non_zero_p1 <= 56) goto end; |
321 |
|
|
block[0x36] = temp_block[0x35]; block[0x3A] = temp_block[0x3C]; |
322 |
|
|
block[0x3E] = temp_block[0x3D]; block[0x33] = temp_block[0x36]; |
323 |
|
|
block[0x2F] = temp_block[0x2F]; block[0x37] = temp_block[0x37]; |
324 |
|
|
block[0x3B] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F]; |
325 |
|
|
} else if (s->idsp.perm_type == FF_IDCT_PERM_NONE) { |
326 |
|
|
if(last_non_zero_p1 <= 1) goto end; |
327 |
|
|
block[0x01] = temp_block[0x01]; |
328 |
|
|
block[0x08] = temp_block[0x08]; block[0x10] = temp_block[0x10]; |
329 |
|
|
if(last_non_zero_p1 <= 4) goto end; |
330 |
|
|
block[0x09] = temp_block[0x09]; block[0x02] = temp_block[0x02]; |
331 |
|
|
block[0x03] = temp_block[0x03]; |
332 |
|
|
if(last_non_zero_p1 <= 7) goto end; |
333 |
|
|
block[0x0A] = temp_block[0x0A]; block[0x11] = temp_block[0x11]; |
334 |
|
|
block[0x18] = temp_block[0x18]; block[0x20] = temp_block[0x20]; |
335 |
|
|
if(last_non_zero_p1 <= 11) goto end; |
336 |
|
|
block[0x19] = temp_block[0x19]; |
337 |
|
|
block[0x12] = temp_block[0x12]; block[0x0B] = temp_block[0x0B]; |
338 |
|
|
block[0x04] = temp_block[0x04]; block[0x05] = temp_block[0x05]; |
339 |
|
|
if(last_non_zero_p1 <= 16) goto end; |
340 |
|
|
block[0x0C] = temp_block[0x0C]; block[0x13] = temp_block[0x13]; |
341 |
|
|
block[0x1A] = temp_block[0x1A]; block[0x21] = temp_block[0x21]; |
342 |
|
|
block[0x28] = temp_block[0x28]; block[0x30] = temp_block[0x30]; |
343 |
|
|
block[0x29] = temp_block[0x29]; block[0x22] = temp_block[0x22]; |
344 |
|
|
if(last_non_zero_p1 <= 24) goto end; |
345 |
|
|
block[0x1B] = temp_block[0x1B]; block[0x14] = temp_block[0x14]; |
346 |
|
|
block[0x0D] = temp_block[0x0D]; block[0x06] = temp_block[0x06]; |
347 |
|
|
block[0x07] = temp_block[0x07]; block[0x0E] = temp_block[0x0E]; |
348 |
|
|
block[0x15] = temp_block[0x15]; block[0x1C] = temp_block[0x1C]; |
349 |
|
|
if(last_non_zero_p1 <= 32) goto end; |
350 |
|
|
block[0x23] = temp_block[0x23]; block[0x2A] = temp_block[0x2A]; |
351 |
|
|
block[0x31] = temp_block[0x31]; block[0x38] = temp_block[0x38]; |
352 |
|
|
block[0x39] = temp_block[0x39]; block[0x32] = temp_block[0x32]; |
353 |
|
|
block[0x2B] = temp_block[0x2B]; block[0x24] = temp_block[0x24]; |
354 |
|
|
if(last_non_zero_p1 <= 40) goto end; |
355 |
|
|
block[0x1D] = temp_block[0x1D]; block[0x16] = temp_block[0x16]; |
356 |
|
|
block[0x0F] = temp_block[0x0F]; block[0x17] = temp_block[0x17]; |
357 |
|
|
block[0x1E] = temp_block[0x1E]; block[0x25] = temp_block[0x25]; |
358 |
|
|
block[0x2C] = temp_block[0x2C]; block[0x33] = temp_block[0x33]; |
359 |
|
|
if(last_non_zero_p1 <= 48) goto end; |
360 |
|
|
block[0x3A] = temp_block[0x3A]; block[0x3B] = temp_block[0x3B]; |
361 |
|
|
block[0x34] = temp_block[0x34]; block[0x2D] = temp_block[0x2D]; |
362 |
|
|
block[0x26] = temp_block[0x26]; block[0x1F] = temp_block[0x1F]; |
363 |
|
|
block[0x27] = temp_block[0x27]; block[0x2E] = temp_block[0x2E]; |
364 |
|
|
if(last_non_zero_p1 <= 56) goto end; |
365 |
|
|
block[0x35] = temp_block[0x35]; block[0x3C] = temp_block[0x3C]; |
366 |
|
|
block[0x3D] = temp_block[0x3D]; block[0x36] = temp_block[0x36]; |
367 |
|
|
block[0x2F] = temp_block[0x2F]; block[0x37] = temp_block[0x37]; |
368 |
|
|
block[0x3E] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F]; |
369 |
|
|
} else if (s->idsp.perm_type == FF_IDCT_PERM_TRANSPOSE) { |
370 |
|
|
if(last_non_zero_p1 <= 1) goto end; |
371 |
|
|
block[0x08] = temp_block[0x01]; |
372 |
|
|
block[0x01] = temp_block[0x08]; block[0x02] = temp_block[0x10]; |
373 |
|
|
if(last_non_zero_p1 <= 4) goto end; |
374 |
|
|
block[0x09] = temp_block[0x09]; block[0x10] = temp_block[0x02]; |
375 |
|
|
block[0x18] = temp_block[0x03]; |
376 |
|
|
if(last_non_zero_p1 <= 7) goto end; |
377 |
|
|
block[0x11] = temp_block[0x0A]; block[0x0A] = temp_block[0x11]; |
378 |
|
|
block[0x03] = temp_block[0x18]; block[0x04] = temp_block[0x20]; |
379 |
|
|
if(last_non_zero_p1 <= 11) goto end; |
380 |
|
|
block[0x0B] = temp_block[0x19]; |
381 |
|
|
block[0x12] = temp_block[0x12]; block[0x19] = temp_block[0x0B]; |
382 |
|
|
block[0x20] = temp_block[0x04]; block[0x28] = temp_block[0x05]; |
383 |
|
|
if(last_non_zero_p1 <= 16) goto end; |
384 |
|
|
block[0x21] = temp_block[0x0C]; block[0x1A] = temp_block[0x13]; |
385 |
|
|
block[0x13] = temp_block[0x1A]; block[0x0C] = temp_block[0x21]; |
386 |
|
|
block[0x05] = temp_block[0x28]; block[0x06] = temp_block[0x30]; |
387 |
|
|
block[0x0D] = temp_block[0x29]; block[0x14] = temp_block[0x22]; |
388 |
|
|
if(last_non_zero_p1 <= 24) goto end; |
389 |
|
|
block[0x1B] = temp_block[0x1B]; block[0x22] = temp_block[0x14]; |
390 |
|
|
block[0x29] = temp_block[0x0D]; block[0x30] = temp_block[0x06]; |
391 |
|
|
block[0x38] = temp_block[0x07]; block[0x31] = temp_block[0x0E]; |
392 |
|
|
block[0x2A] = temp_block[0x15]; block[0x23] = temp_block[0x1C]; |
393 |
|
|
if(last_non_zero_p1 <= 32) goto end; |
394 |
|
|
block[0x1C] = temp_block[0x23]; block[0x15] = temp_block[0x2A]; |
395 |
|
|
block[0x0E] = temp_block[0x31]; block[0x07] = temp_block[0x38]; |
396 |
|
|
block[0x0F] = temp_block[0x39]; block[0x16] = temp_block[0x32]; |
397 |
|
|
block[0x1D] = temp_block[0x2B]; block[0x24] = temp_block[0x24]; |
398 |
|
|
if(last_non_zero_p1 <= 40) goto end; |
399 |
|
|
block[0x2B] = temp_block[0x1D]; block[0x32] = temp_block[0x16]; |
400 |
|
|
block[0x39] = temp_block[0x0F]; block[0x3A] = temp_block[0x17]; |
401 |
|
|
block[0x33] = temp_block[0x1E]; block[0x2C] = temp_block[0x25]; |
402 |
|
|
block[0x25] = temp_block[0x2C]; block[0x1E] = temp_block[0x33]; |
403 |
|
|
if(last_non_zero_p1 <= 48) goto end; |
404 |
|
|
block[0x17] = temp_block[0x3A]; block[0x1F] = temp_block[0x3B]; |
405 |
|
|
block[0x26] = temp_block[0x34]; block[0x2D] = temp_block[0x2D]; |
406 |
|
|
block[0x34] = temp_block[0x26]; block[0x3B] = temp_block[0x1F]; |
407 |
|
|
block[0x3C] = temp_block[0x27]; block[0x35] = temp_block[0x2E]; |
408 |
|
|
if(last_non_zero_p1 <= 56) goto end; |
409 |
|
|
block[0x2E] = temp_block[0x35]; block[0x27] = temp_block[0x3C]; |
410 |
|
|
block[0x2F] = temp_block[0x3D]; block[0x36] = temp_block[0x36]; |
411 |
|
|
block[0x3D] = temp_block[0x2F]; block[0x3E] = temp_block[0x37]; |
412 |
|
|
block[0x37] = temp_block[0x3E]; block[0x3F] = temp_block[0x3F]; |
413 |
|
|
} else { |
414 |
|
|
av_log(s, AV_LOG_DEBUG, "s->idsp.perm_type: %d\n", |
415 |
|
|
(int)s->idsp.perm_type); |
416 |
|
|
av_assert0(s->idsp.perm_type == FF_IDCT_PERM_NONE || |
417 |
|
|
s->idsp.perm_type == FF_IDCT_PERM_LIBMPEG2 || |
418 |
|
|
s->idsp.perm_type == FF_IDCT_PERM_SIMPLE || |
419 |
|
|
s->idsp.perm_type == FF_IDCT_PERM_TRANSPOSE); |
420 |
|
|
} |
421 |
|
|
end: |
422 |
|
|
return last_non_zero_p1 - 1; |
423 |
|
|
} |