| /* |
| * Loongson SIMD optimized mpegvideo |
| * |
| * Copyright (c) 2015 Loongson Technology Corporation Limited |
| * Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.cn> |
| * Zhang Shuangshuang <zhangshuangshuang@ict.ac.cn> |
| * |
| * 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 "mpegvideo_mips.h" |
| |
| void ff_dct_unquantize_h263_intra_mmi(MpegEncContext *s, int16_t *block, |
| int n, int qscale) |
| { |
| int64_t 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 ( |
| "xor $f12, $f12, $f12 \r\n" |
| "lwc1 $f12, %1 \n\r" |
| "xor $f10, $f10, $f10 \r\n" |
| "lwc1 $f10, %2 \r\n" |
| "xor $f14, $f14, $f14 \r\n" |
| "packsswh $f12, $f12, $f12 \r\n" |
| "packsswh $f12, $f12, $f12 \r\n" |
| "packsswh $f10, $f10, $f10 \r\n" |
| "packsswh $f10, $f10, $f10 \r\n" |
| "psubh $f14, $f14, $f10 \r\n" |
| "xor $f8, $f8, $f8 \r\n" |
| ".p2align 4 \r\n" |
| "1: \r\n" |
| "daddu $8, %0, %3 \r\n" |
| "gsldlc1 $f0, 7($8) \r\n" |
| "gsldrc1 $f0, 0($8) \r\n" |
| "gsldlc1 $f2, 15($8) \r\n" |
| "gsldrc1 $f2, 8($8) \r\n" |
| "mov.d $f4, $f0 \r\n" |
| "mov.d $f6, $f2 \r\n" |
| "pmullh $f0, $f0, $f12 \r\n" |
| "pmullh $f2, $f2, $f12 \r\n" |
| "pcmpgth $f4, $f4, $f8 \r\n" |
| "pcmpgth $f6, $f6, $f8 \r\n" |
| "xor $f0, $f0, $f4 \r\n" |
| "xor $f2, $f2, $f6 \r\n" |
| "paddh $f0, $f0, $f14 \r\n" |
| "paddh $f2, $f2, $f14 \r\n" |
| "xor $f4, $f4, $f0 \r\n" |
| "xor $f6, $f6, $f2 \r\n" |
| "pcmpeqh $f0, $f0, $f14 \r\n" |
| "pcmpeqh $f2, $f2, $f14 \r\n" |
| "pandn $f0, $f0, $f4 \r\n" |
| "pandn $f2, $f2, $f6 \r\n" |
| "gssdlc1 $f0, 7($8) \r\n" |
| "gssdrc1 $f0, 0($8) \r\n" |
| "gssdlc1 $f2, 15($8) \r\n" |
| "gssdrc1 $f2, 8($8) \r\n" |
| "addi %3, %3, 16 \r\n" |
| "blez %3, 1b \r\n" |
| ::"r"(block+nCoeffs),"m"(qmul),"m"(qadd),"r"(2*(-nCoeffs)) |
| :"$8","memory" |
| ); |
| |
| block[0] = level; |
| } |
| |
| void ff_dct_unquantize_h263_inter_mmi(MpegEncContext *s, int16_t *block, |
| int n, int qscale) |
| { |
| int64_t 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 ( |
| "xor $f12, $f12, $f12 \r\n" |
| "lwc1 $f12, %1 \r\n" |
| "xor $f10, $f10, $f10 \r\n" |
| "lwc1 $f10, %2 \r\n" |
| "packsswh $f12, $f12, $f12 \r\n" |
| "packsswh $f12, $f12, $f12 \r\n" |
| "xor $f14, $f14, $f14 \r\n" |
| "packsswh $f10, $f10, $f10 \r\n" |
| "packsswh $f10, $f10, $f10 \r\n" |
| "psubh $f14, $f14, $f10 \r\n" |
| "xor $f8, $f8, $f8 \r\n" |
| ".p2align 4 \r\n" |
| "1: \r\n" |
| "daddu $8, %0, %3 \r\n" |
| "gsldlc1 $f0, 7($8) \r\n" |
| "gsldrc1 $f0, 0($8) \r\n" |
| "gsldlc1 $f2, 15($8) \r\n" |
| "gsldrc1 $f2, 8($8) \r\n" |
| "mov.d $f4, $f0 \r\n" |
| "mov.d $f6, $f2 \r\n" |
| "pmullh $f0, $f0, $f12 \r\n" |
| "pmullh $f2, $f2, $f12 \r\n" |
| "pcmpgth $f4, $f4, $f8 \r\n" |
| "pcmpgth $f6, $f6, $f8 \r\n" |
| "xor $f0, $f0, $f4 \r\n" |
| "xor $f2, $f2, $f6 \r\n" |
| "paddh $f0, $f0, $f14 \r\n" |
| "paddh $f2, $f2, $f14 \r\n" |
| "xor $f4, $f4, $f0 \r\n" |
| "xor $f6, $f6, $f2 \r\n" |
| "pcmpeqh $f0, $f0, $f14 \r\n" |
| "pcmpeqh $f2, $f2, $f14 \r\n" |
| "pandn $f0, $f0, $f4 \r\n" |
| "pandn $f2, $f2, $f6 \r\n" |
| "gssdlc1 $f0, 7($8) \r\n" |
| "gssdrc1 $f0, 0($8) \r\n" |
| "gssdlc1 $f2, 15($8) \r\n" |
| "gssdrc1 $f2, 8($8) \r\n" |
| "addi %3, %3, 16 \r\n" |
| "blez %3, 1b \r\n" |
| ::"r"(block+nCoeffs),"m"(qmul),"m"(qadd),"r"(2*(-nCoeffs)) |
| : "$8","memory" |
| ); |
| } |
| |
| void ff_dct_unquantize_mpeg1_intra_mmi(MpegEncContext *s, int16_t *block, |
| int n, int qscale) |
| { |
| int64_t 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 ( |
| "pcmpeqh $f14, $f14, $f14 \r\n" |
| "dli $10, 15 \r\n" |
| "dmtc1 $10, $f16 \r\n" |
| "xor $f12, $f12, $f12 \r\n" |
| "lwc1 $f12, %2 \r\n" |
| "psrlh $f14, $f14, $f16 \r\n" |
| "packsswh $f12, $f12, $f12 \r\n" |
| "packsswh $f12, $f12, $f12 \r\n" |
| "or $8, %3, $0 \r\n" |
| ".p2align 4 \r\n" |
| "1: \r\n" |
| "gsldxc1 $f0, 0($8, %0) \r\n" |
| "gsldxc1 $f2, 8($8, %0) \r\n" |
| "mov.d $f16, $f0 \r\n" |
| "mov.d $f18, $f2 \r\n" |
| "gsldxc1 $f8, 0($8, %1) \r\n" |
| "gsldxc1 $f10, 8($8, %1) \r\n" |
| "pmullh $f8, $f8, $f12 \r\n" |
| "pmullh $f10, $f10, $f12 \r\n" |
| "xor $f4, $f4, $f4 \r\n" |
| "xor $f6, $f6, $f6 \r\n" |
| "pcmpgth $f4, $f4, $f0 \r\n" |
| "pcmpgth $f6, $f6, $f2 \r\n" |
| "xor $f0, $f0, $f4 \r\n" |
| "xor $f2, $f2, $f6 \r\n" |
| "psubh $f0, $f0, $f4 \r\n" |
| "psubh $f2, $f2, $f6 \r\n" |
| "pmullh $f0, $f0, $f8 \r\n" |
| "pmullh $f2, $f2, $f10 \r\n" |
| "xor $f8, $f8, $f8 \r\n" |
| "xor $f10, $f10, $f10 \r\n" |
| "pcmpeqh $f8, $f8, $f16 \r\n" |
| "pcmpeqh $f10, $f10, $f18 \r\n" |
| "dli $10, 3 \r\n" |
| "dmtc1 $10, $f16 \r\n" |
| "psrah $f0, $f0, $f16 \r\n" |
| "psrah $f2, $f2, $f16 \r\n" |
| "psubh $f0, $f0, $f14 \r\n" |
| "psubh $f2, $f2, $f14 \r\n" |
| "or $f0, $f0, $f14 \r\n" |
| "or $f2, $f2, $f14 \r\n" |
| "xor $f0, $f0, $f4 \r\n" |
| "xor $f2, $f2, $f6 \r\n" |
| "psubh $f0, $f0, $f4 \r\n" |
| "psubh $f2, $f2, $f6 \r\n" |
| "pandn $f8, $f8, $f0 \r\n" |
| "pandn $f10, $f10, $f2 \r\n" |
| "gssdxc1 $f8, 0($8, %0) \r\n" |
| "gssdxc1 $f10, 8($8, %0) \r\n" |
| "addi $8, $8, 16 \r\n" |
| "bltz $8, 1b \r\n" |
| ::"r"(block+nCoeffs),"r"(quant_matrix+nCoeffs),"m"(qscale), |
| "g"(-2*nCoeffs) |
| : "$8","$10","memory" |
| ); |
| |
| block[0] = block0; |
| } |
| |
| void ff_dct_unquantize_mpeg1_inter_mmi(MpegEncContext *s, int16_t *block, |
| int n, int qscale) |
| { |
| int64_t 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 ( |
| "pcmpeqh $f14, $f14, $f14 \r\n" |
| "dli $10, 15 \r\n" |
| "dmtc1 $10, $f16 \r\n" |
| "xor $f12, $f12, $f12 \r\n" |
| "lwc1 $f12, %2 \r\n" |
| "psrlh $f14, $f14, $f16 \r\n" |
| "packsswh $f12, $f12, $f12 \r\n" |
| "packsswh $f12, $f12, $f12 \r\n" |
| "or $8, %3, $0 \r\n" |
| ".p2align 4 \r\n" |
| "1: \r\n" |
| "gsldxc1 $f0, 0($8, %0) \r\n" |
| "gsldxc1 $f2, 8($8, %0) \r\n" |
| "mov.d $f16, $f0 \r\n" |
| "mov.d $f18, $f2 \r\n" |
| "gsldxc1 $f8, 0($8, %1) \r\n" |
| "gsldxc1 $f10, 8($8, %1) \r\n" |
| "pmullh $f8, $f8, $f12 \r\n" |
| "pmullh $f10, $f10, $f12 \r\n" |
| "xor $f4, $f4, $f4 \r\n" |
| "xor $f6, $f6, $f6 \r\n" |
| "pcmpgth $f4, $f4, $f0 \r\n" |
| "pcmpgth $f6, $f6, $f2 \r\n" |
| "xor $f0, $f0, $f4 \r\n" |
| "xor $f2, $f2, $f6 \r\n" |
| "psubh $f0, $f0, $f4 \r\n" |
| "psubh $f2, $f2, $f6 \r\n" |
| "paddh $f0, $f0, $f0 \r\n" |
| "paddh $f2, $f2, $f2 \r\n" |
| "paddh $f0, $f0, $f14 \r\n" |
| "paddh $f2, $f2, $f14 \r\n" |
| "pmullh $f0, $f0, $f8 \r\n" |
| "pmullh $f2, $f2, $f10 \r\n" |
| "xor $f8, $f8, $f8 \r\n" |
| "xor $f10, $f10, $f10 \r\n" |
| "pcmpeqh $f8, $f8, $f16 \r\n" |
| "pcmpeqh $f10, $f10, $f18 \r\n" |
| "dli $10, 4 \r\n" |
| "dmtc1 $10, $f16 \r\n" |
| "psrah $f0, $f0, $f16 \r\n" |
| "psrah $f2, $f2, $f16 \r\n" |
| "psubh $f0, $f0, $f14 \r\n" |
| "psubh $f2, $f2, $f14 \r\n" |
| "or $f0, $f0, $f14 \r\n" |
| "or $f2, $f2, $f14 \r\n" |
| "xor $f0, $f0, $f4 \r\n" |
| "xor $f2, $f2, $f6 \r\n" |
| "psubh $f0, $f0, $f4 \r\n" |
| "psubh $f2, $f2, $f6 \r\n" |
| "pandn $f8, $f8, $f0 \r\n" |
| "pandn $f10, $f10, $f2 \r\n" |
| "gssdxc1 $f8, 0($8, %0) \r\n" |
| "gssdxc1 $f10, 8($8, %0) \r\n" |
| "addi $8, $8, 16 \r\n" |
| "bltz $8, 1b \r\n" |
| ::"r"(block+nCoeffs),"r"(quant_matrix+nCoeffs),"m"(qscale), |
| "g"(-2*nCoeffs) |
| :"$8","$10","memory" |
| ); |
| } |
| |
| void ff_denoise_dct_mmi(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( |
| "xor $f14, $f14, $f14 \r\n" |
| "1: \r\n" |
| "ldc1 $f4, 0(%[block]) \r\n" |
| "xor $f0, $f0, $f0 \r\n" |
| "ldc1 $f6, 8(%[block]) \r\n" |
| "xor $f2, $f2, $f2 \r\n" |
| "pcmpgth $f0, $f0, $f4 \r\n" |
| "pcmpgth $f2, $f2, $f6 \r\n" |
| "xor $f4, $f4, $f0 \r\n" |
| "xor $f6, $f6, $f2 \r\n" |
| "psubh $f4, $f4, $f0 \r\n" |
| "psubh $f6, $f6, $f2 \r\n" |
| "ldc1 $f12, 0(%[offset]) \r\n" |
| "mov.d $f8, $f4 \r\n" |
| "psubush $f4, $f4, $f12 \r\n" |
| "ldc1 $f12, 8(%[offset]) \r\n" |
| "mov.d $f10, $f6 \r\n" |
| "psubush $f6, $f6, $f12 \r\n" |
| "xor $f4, $f4, $f0 \r\n" |
| "xor $f6, $f6, $f2 \r\n" |
| "psubh $f4, $f4, $f0 \r\n" |
| "psubh $f6, $f6, $f2 \r\n" |
| "sdc1 $f4, 0(%[block]) \r\n" |
| "sdc1 $f6, 8(%[block]) \r\n" |
| "mov.d $f4, $f8 \r\n" |
| "mov.d $f6, $f10 \r\n" |
| "punpcklhw $f8, $f8, $f14 \r\n" |
| "punpckhhw $f4, $f4, $f14 \r\n" |
| "punpcklhw $f10, $f10, $f14 \r\n" |
| "punpckhhw $f6, $f6, $f14 \r\n" |
| "ldc1 $f0, 0(%[sum]) \r\n" |
| "paddw $f8, $f8, $f0 \r\n" |
| "ldc1 $f0, 8(%[sum]) \r\n" |
| "paddw $f4, $f4, $f0 \r\n" |
| "ldc1 $f0, 16(%[sum]) \r\n" |
| "paddw $f10, $f10, $f0 \r\n" |
| "ldc1 $f0, 24(%[sum]) \r\n" |
| "paddw $f6, $f6, $f0 \r\n" |
| "sdc1 $f8, 0(%[sum]) \r\n" |
| "sdc1 $f4, 8(%[sum]) \r\n" |
| "sdc1 $f10, 16(%[sum]) \r\n" |
| "sdc1 $f6, 24(%[sum]) \r\n" |
| "daddiu %[block], %[block], 16 \r\n" |
| "daddiu %[sum], %[sum], 32 \r\n" |
| "daddiu %[offset], %[offset], 16 \r\n" |
| "dsubu $8, %[block1], %[block] \r\n" |
| "bgtz $8, 1b \r\n" |
| : [block]"+r"(block),[sum]"+r"(sum),[offset]"+r"(offset) |
| : [block1]"r"(block+64) |
| : "$8","$f0","$f2","$f4","$f6","$f8","$f10","$f12","$f14" |
| ); |
| } |
| |
| void ff_dct_unquantize_mpeg2_intra_mmi(MpegEncContext *s, int16_t *block, |
| int n, int qscale) |
| { |
| uint64_t nCoeffs; |
| const uint16_t *quant_matrix; |
| int block0; |
| |
| assert(s->block_last_index[n]>=0); |
| |
| if (s->alternate_scan) |
| nCoeffs = 63; |
| 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 ( |
| "pcmpeqh $f14, $f14, $f14 \r\n" |
| "dli $10, 15 \r\n" |
| "dmtc1 $10, $f16 \r\n" |
| "xor $f12, $f12, $f12 \r\n" |
| "lwc1 $f12, %[qscale] \r\n" |
| "psrlh $f14, $f14, $f16 \r\n" |
| "packsswh $f12, $f12, $f12 \r\n" |
| "packsswh $f12, $f12, $f12 \r\n" |
| "or $8, %[ncoeffs], $0 \r\n" |
| ".p2align 4 \r\n" |
| "1: \r\n" |
| "gsldxc1 $f0, 0($8, %[block]) \r\n" |
| "gsldxc1 $f2, 8($8, %[block]) \r\n" |
| "mov.d $f16, $f0 \r\n" |
| "mov.d $f18, $f2 \r\n" |
| "gsldxc1 $f8, 0($8, %[quant]) \r\n" |
| "gsldxc1 $f10, 0($8, %[quant]) \r\n" |
| "pmullh $f8, $f8, $f12 \r\n" |
| "pmullh $f10, $f10, $f12 \r\n" |
| "xor $f4, $f4, $f4 \r\n" |
| "xor $f6, $f6, $f6 \r\n" |
| "pcmpgth $f4, $f4, $f0 \r\n" |
| "pcmpgth $f6, $f6, $f2 \r\n" |
| "xor $f0, $f0, $f4 \r\n" |
| "xor $f2, $f2, $f6 \r\n" |
| "psubh $f0, $f0, $f4 \r\n" |
| "psubh $f2, $f2, $f6 \r\n" |
| "pmullh $f0, $f0, $f8 \r\n" |
| "pmullh $f2, $f2, $f10 \r\n" |
| "xor $f8, $f8, $f8 \r\n" |
| "xor $f10, $f10, $f10 \r\n" |
| "pcmpeqh $f8, $f8, $f16 \r\n" |
| "pcmpeqh $f10 ,$f10, $f18 \r\n" |
| "dli $10, 3 \r\n" |
| "dmtc1 $10, $f16 \r\n" |
| "psrah $f0, $f0, $f16 \r\n" |
| "psrah $f2, $f2, $f16 \r\n" |
| "xor $f0, $f0, $f4 \r\n" |
| "xor $f2, $f2, $f6 \r\n" |
| "psubh $f0, $f0, $f4 \r\n" |
| "psubh $f2, $f2, $f6 \r\n" |
| "pandn $f8, $f8, $f0 \r\n" |
| "pandn $f10, $f10, $f2 \r\n" |
| "gssdxc1 $f8, 0($8, %[block]) \r\n" |
| "gssdxc1 $f10, 8($8, %[block]) \r\n" |
| "daddiu $8, $8, 16 \r\n" |
| "blez $8, 1b \r\n" |
| ::[block]"r"(block+nCoeffs),[quant]"r"(quant_matrix+nCoeffs), |
| [qscale]"m"(qscale),[ncoeffs]"g"(-2*nCoeffs) |
| : "$8","$10","$f0","$f2","$f4","$f6","$f8","$f10","$f12","$f14","$f16", |
| "$f18" |
| ); |
| |
| block[0]= block0; |
| } |
