mirror of https://github.com/FFmpeg/FFmpeg.git
The code fails to compile and is broken beyond repair.pull/6/head
parent
bc4620e5d6
commit
ca411fc1d3
15 changed files with 10 additions and 810 deletions
@ -1,4 +0,0 @@ |
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MMI-OBJS += mips/dsputil_mmi.o \
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mips/idct_mmi.o \
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MMI-OBJS-$(CONFIG_MPEGVIDEO) += mips/mpegvideo_mmi.o
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@ -1,162 +0,0 @@ |
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/*
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* MMI optimized DSP utils |
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* Copyright (c) 2000, 2001 Fabrice Bellard |
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* |
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* MMI optimization by Leon van Stuivenberg |
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* clear_blocks_mmi() by BroadQ |
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* |
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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 "libavcodec/dsputil.h" |
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#include "mmi.h" |
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static void clear_blocks_mmi(DCTELEM * blocks) |
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{ |
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__asm__ volatile( |
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".set noreorder \n" |
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"addiu $9, %0, 768 \n" |
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"nop \n" |
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"1: \n" |
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"sq $0, 0(%0) \n" |
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"move $8, %0 \n" |
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"addi %0, %0, 64 \n" |
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"sq $0, 16($8) \n" |
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"slt $10, %0, $9 \n" |
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"sq $0, 32($8) \n" |
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"bnez $10, 1b \n" |
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"sq $0, 48($8) \n" |
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".set reorder \n" |
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: "+r" (blocks) :: "$8", "$9", "memory" ); |
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} |
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static void get_pixels_mmi(DCTELEM *block, const uint8_t *pixels, int line_size) |
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{ |
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__asm__ volatile( |
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".set push \n\t" |
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".set mips3 \n\t" |
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"ld $8, 0(%0) \n\t" |
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"add %0, %0, %2 \n\t" |
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"ld $9, 0(%0) \n\t" |
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"add %0, %0, %2 \n\t" |
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"ld $10, 0(%0) \n\t" |
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"pextlb $8, $0, $8 \n\t" |
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"sq $8, 0(%1) \n\t" |
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"add %0, %0, %2 \n\t" |
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"ld $8, 0(%0) \n\t" |
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"pextlb $9, $0, $9 \n\t" |
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"sq $9, 16(%1) \n\t" |
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"add %0, %0, %2 \n\t" |
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"ld $9, 0(%0) \n\t" |
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"pextlb $10, $0, $10 \n\t" |
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"sq $10, 32(%1) \n\t" |
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"add %0, %0, %2 \n\t" |
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"ld $10, 0(%0) \n\t" |
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"pextlb $8, $0, $8 \n\t" |
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"sq $8, 48(%1) \n\t" |
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"add %0, %0, %2 \n\t" |
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"ld $8, 0(%0) \n\t" |
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"pextlb $9, $0, $9 \n\t" |
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"sq $9, 64(%1) \n\t" |
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"add %0, %0, %2 \n\t" |
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"ld $9, 0(%0) \n\t" |
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"pextlb $10, $0, $10 \n\t" |
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"sq $10, 80(%1) \n\t" |
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"pextlb $8, $0, $8 \n\t" |
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"sq $8, 96(%1) \n\t" |
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"pextlb $9, $0, $9 \n\t" |
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"sq $9, 112(%1) \n\t" |
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".set pop \n\t" |
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: "+r" (pixels) : "r" (block), "r" (line_size) : "$8", "$9", "$10", "memory" ); |
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} |
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static void put_pixels8_mmi(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
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{ |
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__asm__ volatile( |
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".set push \n\t" |
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".set mips3 \n\t" |
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"1: \n\t" |
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"ldr $8, 0(%1) \n\t" |
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"addiu %2, %2, -1 \n\t" |
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"ldl $8, 7(%1) \n\t" |
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"add %1, %1, %3 \n\t" |
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"sd $8, 0(%0) \n\t" |
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"add %0, %0, %3 \n\t" |
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"bgtz %2, 1b \n\t" |
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".set pop \n\t" |
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: "+r" (block), "+r" (pixels), "+r" (h) : "r" (line_size) |
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: "$8", "memory" ); |
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} |
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static void put_pixels16_mmi(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
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{ |
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__asm__ volatile ( |
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".set push \n\t" |
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".set mips3 \n\t" |
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"1: \n\t" |
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"ldr $8, 0(%1) \n\t" |
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"add $11, %1, %3 \n\t" |
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"ldl $8, 7(%1) \n\t" |
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"add $10, %0, %3 \n\t" |
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"ldr $9, 8(%1) \n\t" |
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"ldl $9, 15(%1) \n\t" |
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"ldr $12, 0($11) \n\t" |
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"add %1, $11, %3 \n\t" |
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"ldl $12, 7($11) \n\t" |
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"pcpyld $8, $9, $8 \n\t" |
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"sq $8, 0(%0) \n\t" |
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"ldr $13, 8($11) \n\t" |
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"addiu %2, %2, -2 \n\t" |
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"ldl $13, 15($11) \n\t" |
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"add %0, $10, %3 \n\t" |
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"pcpyld $12, $13, $12 \n\t" |
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"sq $12, 0($10) \n\t" |
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"bgtz %2, 1b \n\t" |
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".set pop \n\t" |
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: "+r" (block), "+r" (pixels), "+r" (h) : "r" (line_size) |
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: "$8", "$9", "$10", "$11", "$12", "$13", "memory" ); |
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} |
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void ff_dsputil_init_mmi(DSPContext* c, AVCodecContext *avctx) |
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{ |
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const int idct_algo= avctx->idct_algo; |
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const int high_bit_depth = avctx->bits_per_raw_sample > 8; |
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if (!high_bit_depth) { |
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c->clear_blocks = clear_blocks_mmi; |
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c->put_pixels_tab[1][0] = put_pixels8_mmi; |
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c->put_no_rnd_pixels_tab[1][0] = put_pixels8_mmi; |
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c->put_pixels_tab[0][0] = put_pixels16_mmi; |
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c->put_no_rnd_pixels_tab[0][0] = put_pixels16_mmi; |
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c->get_pixels = get_pixels_mmi; |
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} |
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if (avctx->bits_per_raw_sample <= 8 && |
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(idct_algo == FF_IDCT_AUTO || idct_algo == FF_IDCT_MMI)) { |
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c->idct_put= ff_mmi_idct_put; |
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c->idct_add= ff_mmi_idct_add; |
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c->idct = ff_mmi_idct; |
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c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM; |
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} |
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} |
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@ -1,361 +0,0 @@ |
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/*
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* Originally provided by Intel at Application Note AP-922. |
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* |
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* Column code adapted from Peter Gubanov. |
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* Copyright (c) 2000-2001 Peter Gubanov <peter@elecard.net.ru> |
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* http://www.elecard.com/peter/idct.shtml
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* rounding trick copyright (c) 2000 Michel Lespinasse <walken@zoy.org> |
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* |
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* MMI port and (c) 2002 by Leon van Stuivenberg |
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* |
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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 "libavutil/common.h" |
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#include "libavcodec/dsputil.h" |
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#include "mmi.h" |
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#define BITS_INV_ACC 5 // 4 or 5 for IEEE
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#define SHIFT_INV_ROW (16 - BITS_INV_ACC) |
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#define SHIFT_INV_COL (1 + BITS_INV_ACC) |
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#define TG1 6518 |
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#define TG2 13573 |
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#define TG3 21895 |
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#define CS4 23170 |
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#define ROUNDER_0 0 |
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#define ROUNDER_1 16 |
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#define TAB_i_04 (32+0) |
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#define TAB_i_17 (32+64) |
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#define TAB_i_26 (32+128) |
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#define TAB_i_35 (32+192) |
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#define TG_1_16 (32+256+0) |
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#define TG_2_16 (32+256+16) |
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#define TG_3_16 (32+256+32) |
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#define COS_4_16 (32+256+48) |
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#define CLIPMAX (32+256+64+0) |
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static short consttable[] align16 = { |
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/* rounder 0*/ // assume SHIFT_INV_ROW == 11
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0x3ff, 1, 0x3ff, 1, 0x3ff, 1, 0x3ff, 1, |
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/* rounder 1*/ |
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0x3ff, 0, 0x3ff, 0, 0x3ff, 0, 0x3ff, 0, |
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/* row 0/4*/ |
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16384, 21407, -16384, -21407, 22725, 19266, -22725, -12873, |
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8867, 16384, 8867, 16384, 4520, 12873, -4520, 19266, |
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16384, -8867, 16384, -8867, 12873, -22725, 19266, -22725, |
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21407, -16384, -21407, 16384, 19266, 4520, -12873, 4520, |
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/* row 1/7*/ |
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22725, 29692, -22725, -29692, 31521, 26722, -31521, -17855, |
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12299, 22725, 12299, 22725, 6270, 17855, -6270, 26722, |
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22725, -12299, 22725, -12299, 17855, -31521, 26722, -31521, |
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29692, -22725, -29692, 22725, 26722, 6270, -17855, 6270, |
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/* row 2/6*/ |
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21407, 27969, -21407, -27969, 29692, 25172, -29692, -16819, |
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11585, 21407, 11585, 21407, 5906, 16819, -5906, 25172, |
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21407, -11585, 21407, -11585, 16819, -29692, 25172, -29692, |
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27969, -21407, -27969, 21407, 25172, 5906, -16819, 5906, |
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/*row 3/5*/ |
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19266, 25172, -19266, -25172, 26722, 22654, -26722, -15137, |
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10426, 19266, 10426, 19266, 5315, 15137, -5315, 22654, |
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19266, -10426, 19266, -10426, 15137, -26722, 22654, -26722, |
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25172, -19266, -25172, 19266, 22654, 5315, -15137, 5315, |
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/*column constants*/ |
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TG1, TG1, TG1, TG1, TG1, TG1, TG1, TG1, |
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TG2, TG2, TG2, TG2, TG2, TG2, TG2, TG2, |
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TG3, TG3, TG3, TG3, TG3, TG3, TG3, TG3, |
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CS4, CS4, CS4, CS4, CS4, CS4, CS4, CS4, |
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/* clamp */ |
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255, 255, 255, 255, 255, 255, 255, 255 |
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}; |
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#define DCT_8_INV_ROW1(blk, rowoff, taboff, rnd, outreg) { \ |
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lq(blk, rowoff, $16); /* r16 = x7 x5 x3 x1 x6 x4 x2 x0 */ \
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/*slot*/ \
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lq($24, 0+taboff, $17); /* r17 = w */ \
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/*delay slot $16*/ \
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lq($24, 16+taboff, $18);/* r18 = w */ \
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prevh($16, $2); /* r2 = x1 x3 x5 x7 x0 x2 x4 x6 */ \
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lq($24, 32+taboff, $19);/* r19 = w */ \
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phmadh($17, $16, $17); /* r17 = b1"b0'a1"a0' */ \
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lq($24, 48+taboff, $20);/* r20 = w */ \
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phmadh($18, $2, $18); /* r18 = b1'b0"a1'a0" */ \
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phmadh($19, $16, $19); /* r19 = b3"b2'a3"a2' */ \
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phmadh($20, $2, $20); /* r20 = b3'b2"a3'a2" */ \
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paddw($17, $18, $17); /* r17 = (b1)(b0)(a1)(a0) */ \
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paddw($19, $20, $19); /* r19 = (b3)(b2)(a3)(a2) */ \
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pcpyld($19, $17, $18); /* r18 = (a3)(a2)(a1)(a0) */ \
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pcpyud($17, $19, $20); /* r20 = (b3)(b2)(b1)(b0) */ \
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paddw($18, rnd, $18); /* r18 = (a3)(a2)(a1)(a0) */\
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paddw($18, $20, $17); /* r17 = ()()()(a0+b0) */ \
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psubw($18, $20, $20); /* r20 = ()()()(a0-b0) */ \
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psraw($17, SHIFT_INV_ROW, $17); /* r17 = (y3 y2 y1 y0) */ \
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psraw($20, SHIFT_INV_ROW, $20); /* r20 = (y4 y5 y6 y7) */ \
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ppach($20, $17, outreg);/* out = y4 y5 y6 y7 y3 y2 y1 y0 Note order */ \
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\
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prevh(outreg, $2); \
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pcpyud($2, $2, $2); \
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pcpyld($2, outreg, outreg); \
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} |
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#define DCT_8_INV_COL8() \ |
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\
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lq($24, TG_3_16, $2); /* r2 = tn3 */ \
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\
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pmulth($11, $2, $17); /* r17 = x3 * tn3 (6420) */ \
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psraw($17, 15, $17); \
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pmfhl_uw($3); /* r3 = 7531 */ \
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psraw($3, 15, $3); \
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pinteh($3, $17, $17); /* r17 = x3 * tn3 */ \
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psubh($17, $13, $17); /* r17 = tm35 */ \
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\
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pmulth($13, $2, $18); /* r18 = x5 * tn3 (6420) */ \
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psraw($18, 15, $18); \
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pmfhl_uw($3); /* r3 = 7531 */ \
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psraw($3, 15, $3); \
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pinteh($3, $18, $18); /* r18 = x5 * tn3 */ \
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paddh($18, $11, $18); /* r18 = tp35 */ \
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\
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lq($24, TG_1_16, $2); /* r2 = tn1 */ \
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\
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pmulth($15, $2, $19); /* r19 = x7 * tn1 (6420) */ \
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psraw($19, 15, $19); \
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pmfhl_uw($3); /* r3 = 7531 */ \
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psraw($3, 15, $3); \
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pinteh($3, $19, $19); /* r19 = x7 * tn1 */ \
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paddh($19, $9, $19); /* r19 = tp17 */ \
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\
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pmulth($9, $2, $20); /* r20 = x1 * tn1 (6420) */ \
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psraw($20, 15, $20); \
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pmfhl_uw($3); /* r3 = 7531 */ \
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psraw($3, 15, $3); \
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pinteh($3, $20, $20); /* r20 = x1 * tn1 */ \
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psubh($20, $15, $20); /* r20 = tm17 */ \
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\
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psubh($19, $18, $3); /* r3 = t1 */ \
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paddh($20, $17, $16); /* r16 = t2 */ \
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psubh($20, $17, $23); /* r23 = b3 */ \
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|
||||||
paddh($19, $18, $20); /* r20 = b0 */ \
|
|
||||||
\
|
|
||||||
lq($24, COS_4_16, $2); /* r2 = cs4 */ \
|
|
||||||
\
|
|
||||||
paddh($3, $16, $21); /* r21 = t1+t2 */ \
|
|
||||||
psubh($3, $16, $22); /* r22 = t1-t2 */ \
|
|
||||||
\
|
|
||||||
pmulth($21, $2, $21); /* r21 = cs4 * (t1+t2) 6420 */ \
|
|
||||||
psraw($21, 15, $21); \
|
|
||||||
pmfhl_uw($3); /* r3 = 7531 */ \
|
|
||||||
psraw($3, 15, $3); \
|
|
||||||
pinteh($3, $21, $21); /* r21 = b1 */ \
|
|
||||||
\
|
|
||||||
pmulth($22, $2, $22); /* r22 = cs4 * (t1-t2) 6420 */ \
|
|
||||||
psraw($22, 15, $22); \
|
|
||||||
pmfhl_uw($3); /* r3 = 7531 */ \
|
|
||||||
psraw($3, 15, $3); \
|
|
||||||
pinteh($3, $22, $22); /* r22 = b2 */ \
|
|
||||||
\
|
|
||||||
lq($24, TG_2_16, $2); /* r2 = tn2 */ \
|
|
||||||
\
|
|
||||||
pmulth($10, $2, $17); /* r17 = x2 * tn2 (6420) */ \
|
|
||||||
psraw($17, 15, $17); \
|
|
||||||
pmfhl_uw($3); /* r3 = 7531 */ \
|
|
||||||
psraw($3, 15, $3); \
|
|
||||||
pinteh($3, $17, $17); /* r17 = x3 * tn3 */ \
|
|
||||||
psubh($17, $14, $17); /* r17 = tm26 */ \
|
|
||||||
\
|
|
||||||
pmulth($14, $2, $18); /* r18 = x6 * tn2 (6420) */ \
|
|
||||||
psraw($18, 15, $18); \
|
|
||||||
pmfhl_uw($3); /* r3 = 7531 */ \
|
|
||||||
psraw($3, 15, $3); \
|
|
||||||
pinteh($3, $18, $18); /* r18 = x6 * tn2 */ \
|
|
||||||
paddh($18, $10, $18); /* r18 = tp26 */ \
|
|
||||||
\
|
|
||||||
paddh($8, $12, $2); /* r2 = tp04 */ \
|
|
||||||
psubh($8, $12, $3); /* r3 = tm04 */ \
|
|
||||||
\
|
|
||||||
paddh($2, $18, $16); /* r16 = a0 */ \
|
|
||||||
psubh($2, $18, $19); /* r19 = a3 */ \
|
|
||||||
psubh($3, $17, $18); /* r18 = a2 */ \
|
|
||||||
paddh($3, $17, $17); /* r17 = a1 */ |
|
||||||
|
|
||||||
|
|
||||||
#define DCT_8_INV_COL8_STORE(blk) \ |
|
||||||
\
|
|
||||||
paddh($16, $20, $2); /* y0 a0+b0 */ \
|
|
||||||
psubh($16, $20, $16); /* y7 a0-b0 */ \
|
|
||||||
psrah($2, SHIFT_INV_COL, $2); \
|
|
||||||
psrah($16, SHIFT_INV_COL, $16); \
|
|
||||||
sq($2, 0, blk); \
|
|
||||||
sq($16, 112, blk); \
|
|
||||||
\
|
|
||||||
paddh($17, $21, $3); /* y1 a1+b1 */ \
|
|
||||||
psubh($17, $21, $17); /* y6 a1-b1 */ \
|
|
||||||
psrah($3, SHIFT_INV_COL, $3); \
|
|
||||||
psrah($17, SHIFT_INV_COL, $17); \
|
|
||||||
sq($3, 16, blk); \
|
|
||||||
sq($17, 96, blk); \
|
|
||||||
\
|
|
||||||
paddh($18, $22, $2); /* y2 a2+b2 */ \
|
|
||||||
psubh($18, $22, $18); /* y5 a2-b2 */ \
|
|
||||||
psrah($2, SHIFT_INV_COL, $2); \
|
|
||||||
psrah($18, SHIFT_INV_COL, $18); \
|
|
||||||
sq($2, 32, blk); \
|
|
||||||
sq($18, 80, blk); \
|
|
||||||
\
|
|
||||||
paddh($19, $23, $3); /* y3 a3+b3 */ \
|
|
||||||
psubh($19, $23, $19); /* y4 a3-b3 */ \
|
|
||||||
psrah($3, SHIFT_INV_COL, $3); \
|
|
||||||
psrah($19, SHIFT_INV_COL, $19); \
|
|
||||||
sq($3, 48, blk); \
|
|
||||||
sq($19, 64, blk); |
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
#define DCT_8_INV_COL8_PMS() \ |
|
||||||
paddh($16, $20, $2); /* y0 a0+b0 */ \
|
|
||||||
psubh($16, $20, $20); /* y7 a0-b0 */ \
|
|
||||||
psrah($2, SHIFT_INV_COL, $16); \
|
|
||||||
psrah($20, SHIFT_INV_COL, $20); \
|
|
||||||
\
|
|
||||||
paddh($17, $21, $3); /* y1 a1+b1 */ \
|
|
||||||
psubh($17, $21, $21); /* y6 a1-b1 */ \
|
|
||||||
psrah($3, SHIFT_INV_COL, $17); \
|
|
||||||
psrah($21, SHIFT_INV_COL, $21); \
|
|
||||||
\
|
|
||||||
paddh($18, $22, $2); /* y2 a2+b2 */ \
|
|
||||||
psubh($18, $22, $22); /* y5 a2-b2 */ \
|
|
||||||
psrah($2, SHIFT_INV_COL, $18); \
|
|
||||||
psrah($22, SHIFT_INV_COL, $22); \
|
|
||||||
\
|
|
||||||
paddh($19, $23, $3); /* y3 a3+b3 */ \
|
|
||||||
psubh($19, $23, $23); /* y4 a3-b3 */ \
|
|
||||||
psrah($3, SHIFT_INV_COL, $19); \
|
|
||||||
psrah($23, SHIFT_INV_COL, $23); |
|
||||||
|
|
||||||
#define PUT(rs) \ |
|
||||||
pminh(rs, $11, $2); \
|
|
||||||
pmaxh($2, $0, $2); \
|
|
||||||
ppacb($0, $2, $2); \
|
|
||||||
sd3(2, 0, 4); \
|
|
||||||
__asm__ volatile ("add $4, $5, $4"); |
|
||||||
|
|
||||||
#define DCT_8_INV_COL8_PUT() \ |
|
||||||
PUT($16); \
|
|
||||||
PUT($17); \
|
|
||||||
PUT($18); \
|
|
||||||
PUT($19); \
|
|
||||||
PUT($23); \
|
|
||||||
PUT($22); \
|
|
||||||
PUT($21); \
|
|
||||||
PUT($20); |
|
||||||
|
|
||||||
#define ADD(rs) \ |
|
||||||
ld3(4, 0, 2); \
|
|
||||||
pextlb($0, $2, $2); \
|
|
||||||
paddh($2, rs, $2); \
|
|
||||||
pminh($2, $11, $2); \
|
|
||||||
pmaxh($2, $0, $2); \
|
|
||||||
ppacb($0, $2, $2); \
|
|
||||||
sd3(2, 0, 4); \
|
|
||||||
__asm__ volatile ("add $4, $5, $4"); |
|
||||||
|
|
||||||
/*fixme: schedule*/ |
|
||||||
#define DCT_8_INV_COL8_ADD() \ |
|
||||||
ADD($16); \
|
|
||||||
ADD($17); \
|
|
||||||
ADD($18); \
|
|
||||||
ADD($19); \
|
|
||||||
ADD($23); \
|
|
||||||
ADD($22); \
|
|
||||||
ADD($21); \
|
|
||||||
ADD($20); |
|
||||||
|
|
||||||
|
|
||||||
void ff_mmi_idct(int16_t * block) |
|
||||||
{ |
|
||||||
/* $4 = block */ |
|
||||||
__asm__ volatile("la $24, %0"::"m"(consttable[0])); |
|
||||||
lq($24, ROUNDER_0, $8); |
|
||||||
lq($24, ROUNDER_1, $7); |
|
||||||
DCT_8_INV_ROW1($4, 0, TAB_i_04, $8, $8); |
|
||||||
DCT_8_INV_ROW1($4, 16, TAB_i_17, $7, $9); |
|
||||||
DCT_8_INV_ROW1($4, 32, TAB_i_26, $7, $10); |
|
||||||
DCT_8_INV_ROW1($4, 48, TAB_i_35, $7, $11); |
|
||||||
DCT_8_INV_ROW1($4, 64, TAB_i_04, $7, $12); |
|
||||||
DCT_8_INV_ROW1($4, 80, TAB_i_35, $7, $13); |
|
||||||
DCT_8_INV_ROW1($4, 96, TAB_i_26, $7, $14); |
|
||||||
DCT_8_INV_ROW1($4, 112, TAB_i_17, $7, $15); |
|
||||||
DCT_8_INV_COL8(); |
|
||||||
DCT_8_INV_COL8_STORE($4); |
|
||||||
|
|
||||||
//let savedtemp regs be saved
|
|
||||||
__asm__ volatile(" ":::"$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23"); |
|
||||||
} |
|
||||||
|
|
||||||
|
|
||||||
void ff_mmi_idct_put(uint8_t *dest, int line_size, DCTELEM *block) |
|
||||||
{ |
|
||||||
/* $4 = dest, $5 = line_size, $6 = block */ |
|
||||||
__asm__ volatile("la $24, %0"::"m"(consttable[0])); |
|
||||||
lq($24, ROUNDER_0, $8); |
|
||||||
lq($24, ROUNDER_1, $7); |
|
||||||
DCT_8_INV_ROW1($6, 0, TAB_i_04, $8, $8); |
|
||||||
DCT_8_INV_ROW1($6, 16, TAB_i_17, $7, $9); |
|
||||||
DCT_8_INV_ROW1($6, 32, TAB_i_26, $7, $10); |
|
||||||
DCT_8_INV_ROW1($6, 48, TAB_i_35, $7, $11); |
|
||||||
DCT_8_INV_ROW1($6, 64, TAB_i_04, $7, $12); |
|
||||||
DCT_8_INV_ROW1($6, 80, TAB_i_35, $7, $13); |
|
||||||
DCT_8_INV_ROW1($6, 96, TAB_i_26, $7, $14); |
|
||||||
DCT_8_INV_ROW1($6, 112, TAB_i_17, $7, $15); |
|
||||||
DCT_8_INV_COL8(); |
|
||||||
lq($24, CLIPMAX, $11); |
|
||||||
DCT_8_INV_COL8_PMS(); |
|
||||||
DCT_8_INV_COL8_PUT(); |
|
||||||
|
|
||||||
//let savedtemp regs be saved
|
|
||||||
__asm__ volatile(" ":::"$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23"); |
|
||||||
} |
|
||||||
|
|
||||||
|
|
||||||
void ff_mmi_idct_add(uint8_t *dest, int line_size, DCTELEM *block) |
|
||||||
{ |
|
||||||
/* $4 = dest, $5 = line_size, $6 = block */ |
|
||||||
__asm__ volatile("la $24, %0"::"m"(consttable[0])); |
|
||||||
lq($24, ROUNDER_0, $8); |
|
||||||
lq($24, ROUNDER_1, $7); |
|
||||||
DCT_8_INV_ROW1($6, 0, TAB_i_04, $8, $8); |
|
||||||
DCT_8_INV_ROW1($6, 16, TAB_i_17, $7, $9); |
|
||||||
DCT_8_INV_ROW1($6, 32, TAB_i_26, $7, $10); |
|
||||||
DCT_8_INV_ROW1($6, 48, TAB_i_35, $7, $11); |
|
||||||
DCT_8_INV_ROW1($6, 64, TAB_i_04, $7, $12); |
|
||||||
DCT_8_INV_ROW1($6, 80, TAB_i_35, $7, $13); |
|
||||||
DCT_8_INV_ROW1($6, 96, TAB_i_26, $7, $14); |
|
||||||
DCT_8_INV_ROW1($6, 112, TAB_i_17, $7, $15); |
|
||||||
DCT_8_INV_COL8(); |
|
||||||
lq($24, CLIPMAX, $11); |
|
||||||
DCT_8_INV_COL8_PMS(); |
|
||||||
DCT_8_INV_COL8_ADD(); |
|
||||||
|
|
||||||
//let savedtemp regs be saved
|
|
||||||
__asm__ volatile(" ":::"$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23"); |
|
||||||
} |
|
@ -1,179 +0,0 @@ |
|||||||
/*
|
|
||||||
* copyright (c) 2002 Leon van Stuivenberg |
|
||||||
* |
|
||||||
* This file is part of Libav. |
|
||||||
* |
|
||||||
* Libav 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. |
|
||||||
* |
|
||||||
* Libav 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 Libav; if not, write to the Free Software |
|
||||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
||||||
*/ |
|
||||||
|
|
||||||
#ifndef AVCODEC_MIPS_MMI_H |
|
||||||
#define AVCODEC_MIPS_MMI_H |
|
||||||
|
|
||||||
#include <stdint.h> |
|
||||||
|
|
||||||
#include "libavcodec/dsputil.h" |
|
||||||
|
|
||||||
void ff_mmi_idct_put(uint8_t *dest, int line_size, DCTELEM *block); |
|
||||||
void ff_mmi_idct_add(uint8_t *dest, int line_size, DCTELEM *block); |
|
||||||
void ff_mmi_idct(DCTELEM *block); |
|
||||||
|
|
||||||
#define align16 __attribute__ ((aligned (16))) |
|
||||||
|
|
||||||
/*
|
|
||||||
#define r0 $zero |
|
||||||
#define r1 $at //assembler!
|
|
||||||
#define r2 $v0 //return
|
|
||||||
#define r3 $v1 //return
|
|
||||||
#define r4 $a0 //arg
|
|
||||||
#define r5 $a1 //arg
|
|
||||||
#define r6 $a2 //arg
|
|
||||||
#define r7 $a3 //arg
|
|
||||||
#define r8 $t0 //temp
|
|
||||||
#define r9 $t1 //temp
|
|
||||||
#define r10 $t2 //temp
|
|
||||||
#define r11 $t3 //temp
|
|
||||||
#define r12 $t4 //temp
|
|
||||||
#define r13 $t5 //temp
|
|
||||||
#define r14 $t6 //temp
|
|
||||||
#define r15 $t7 //temp
|
|
||||||
#define r16 $s0 //saved temp
|
|
||||||
#define r17 $s1 //saved temp
|
|
||||||
#define r18 $s2 //saved temp
|
|
||||||
#define r19 $s3 //saved temp
|
|
||||||
#define r20 $s4 //saved temp
|
|
||||||
#define r21 $s5 //saved temp
|
|
||||||
#define r22 $s6 //saved temp
|
|
||||||
#define r23 $s7 //saved temp
|
|
||||||
#define r24 $t8 //temp
|
|
||||||
#define r25 $t9 //temp
|
|
||||||
#define r26 $k0 //kernel
|
|
||||||
#define r27 $k1 //kernel
|
|
||||||
#define r28 $gp //global ptr
|
|
||||||
#define r29 $sp //stack ptr
|
|
||||||
#define r30 $fp //frame ptr
|
|
||||||
#define r31 $ra //return addr
|
|
||||||
*/ |
|
||||||
|
|
||||||
|
|
||||||
#define lq(base, off, reg) \ |
|
||||||
__asm__ volatile ("lq " #reg ", %0("#base ")" : : "i" (off) ) |
|
||||||
|
|
||||||
#define lq2(mem, reg) \ |
|
||||||
__asm__ volatile ("lq " #reg ", %0" : : "r" (mem)) |
|
||||||
|
|
||||||
#define sq(reg, off, base) \ |
|
||||||
__asm__ volatile ("sq " #reg ", %0("#base ")" : : "i" (off) ) |
|
||||||
|
|
||||||
/*
|
|
||||||
#define ld(base, off, reg) \ |
|
||||||
__asm__ volatile ("ld " #reg ", " #off "("#base ")") |
|
||||||
*/ |
|
||||||
|
|
||||||
#define ld3(base, off, reg) \ |
|
||||||
__asm__ volatile (".word %0" : : "i" ( 0xdc000000 | (base<<21) | (reg<<16) | (off))) |
|
||||||
|
|
||||||
#define ldr3(base, off, reg) \ |
|
||||||
__asm__ volatile (".word %0" : : "i" ( 0x6c000000 | (base<<21) | (reg<<16) | (off))) |
|
||||||
|
|
||||||
#define ldl3(base, off, reg) \ |
|
||||||
__asm__ volatile (".word %0" : : "i" ( 0x68000000 | (base<<21) | (reg<<16) | (off))) |
|
||||||
|
|
||||||
/*
|
|
||||||
#define sd(reg, off, base) \ |
|
||||||
__asm__ volatile ("sd " #reg ", " #off "("#base ")") |
|
||||||
*/ |
|
||||||
//seems assembler has bug encoding mnemonic 'sd', so DIY
|
|
||||||
#define sd3(reg, off, base) \ |
|
||||||
__asm__ volatile (".word %0" : : "i" ( 0xfc000000 | (base<<21) | (reg<<16) | (off))) |
|
||||||
|
|
||||||
#define sw(reg, off, base) \ |
|
||||||
__asm__ volatile ("sw " #reg ", " #off "("#base ")") |
|
||||||
|
|
||||||
#define sq2(reg, mem) \ |
|
||||||
__asm__ volatile ("sq " #reg ", %0" : : "m" (*(mem))) |
|
||||||
|
|
||||||
#define pinth(rs, rt, rd) \ |
|
||||||
__asm__ volatile ("pinth " #rd ", " #rs ", " #rt ) |
|
||||||
|
|
||||||
#define phmadh(rs, rt, rd) \ |
|
||||||
__asm__ volatile ("phmadh " #rd ", " #rs ", " #rt ) |
|
||||||
|
|
||||||
#define pcpyud(rs, rt, rd) \ |
|
||||||
__asm__ volatile ("pcpyud " #rd ", " #rs ", " #rt ) |
|
||||||
|
|
||||||
#define pcpyld(rs, rt, rd) \ |
|
||||||
__asm__ volatile ("pcpyld " #rd ", " #rs ", " #rt ) |
|
||||||
|
|
||||||
#define pcpyh(rt, rd) \ |
|
||||||
__asm__ volatile ("pcpyh " #rd ", " #rt ) |
|
||||||
|
|
||||||
#define paddw(rs, rt, rd) \ |
|
||||||
__asm__ volatile ("paddw " #rd ", " #rs ", " #rt ) |
|
||||||
|
|
||||||
#define pextlw(rs, rt, rd) \ |
|
||||||
__asm__ volatile ("pextlw " #rd ", " #rs ", " #rt ) |
|
||||||
|
|
||||||
#define pextuw(rs, rt, rd) \ |
|
||||||
__asm__ volatile ("pextuw " #rd ", " #rs ", " #rt ) |
|
||||||
|
|
||||||
#define pextlh(rs, rt, rd) \ |
|
||||||
__asm__ volatile ("pextlh " #rd ", " #rs ", " #rt ) |
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|
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#define pextuh(rs, rt, rd) \ |
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__asm__ volatile ("pextuh " #rd ", " #rs ", " #rt ) |
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|
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#define psubw(rs, rt, rd) \ |
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__asm__ volatile ("psubw " #rd ", " #rs ", " #rt ) |
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|
|
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#define psraw(rt, sa, rd) \ |
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||||||
__asm__ volatile ("psraw " #rd ", " #rt ", %0" : : "i"(sa) ) |
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|
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||||||
#define ppach(rs, rt, rd) \ |
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__asm__ volatile ("ppach " #rd ", " #rs ", " #rt ) |
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||||||
|
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||||||
#define ppacb(rs, rt, rd) \ |
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__asm__ volatile ("ppacb " #rd ", " #rs ", " #rt ) |
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|
|
||||||
#define prevh(rt, rd) \ |
|
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__asm__ volatile ("prevh " #rd ", " #rt ) |
|
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|
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#define pmulth(rs, rt, rd) \ |
|
||||||
__asm__ volatile ("pmulth " #rd ", " #rs ", " #rt ) |
|
||||||
|
|
||||||
#define pmaxh(rs, rt, rd) \ |
|
||||||
__asm__ volatile ("pmaxh " #rd ", " #rs ", " #rt ) |
|
||||||
|
|
||||||
#define pminh(rs, rt, rd) \ |
|
||||||
__asm__ volatile ("pminh " #rd ", " #rs ", " #rt ) |
|
||||||
|
|
||||||
#define pinteh(rs, rt, rd) \ |
|
||||||
__asm__ volatile ("pinteh " #rd ", " #rs ", " #rt ) |
|
||||||
|
|
||||||
#define paddh(rs, rt, rd) \ |
|
||||||
__asm__ volatile ("paddh " #rd ", " #rs ", " #rt ) |
|
||||||
|
|
||||||
#define psubh(rs, rt, rd) \ |
|
||||||
__asm__ volatile ("psubh " #rd ", " #rs ", " #rt ) |
|
||||||
|
|
||||||
#define psrah(rt, sa, rd) \ |
|
||||||
__asm__ volatile ("psrah " #rd ", " #rt ", %0" : : "i"(sa) ) |
|
||||||
|
|
||||||
#define pmfhl_uw(rd) \ |
|
||||||
__asm__ volatile ("pmfhl.uw " #rd) |
|
||||||
|
|
||||||
#define pextlb(rs, rt, rd) \ |
|
||||||
__asm__ volatile ("pextlb " #rd ", " #rs ", " #rt ) |
|
||||||
|
|
||||||
#endif /* AVCODEC_MIPS_MMI_H */ |
|
@ -1,87 +0,0 @@ |
|||||||
/*
|
|
||||||
* Copyright (c) 2000,2001 Fabrice Bellard |
|
||||||
* |
|
||||||
* MMI optimization by Leon van Stuivenberg |
|
||||||
* |
|
||||||
* This file is part of Libav. |
|
||||||
* |
|
||||||
* Libav 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. |
|
||||||
* |
|
||||||
* Libav 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 Libav; if not, write to the Free Software |
|
||||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
||||||
*/ |
|
||||||
|
|
||||||
#include "libavcodec/avcodec.h" |
|
||||||
#include "libavcodec/dsputil.h" |
|
||||||
#include "libavcodec/mpegvideo.h" |
|
||||||
|
|
||||||
static void dct_unquantize_h263_mmi(MpegEncContext *s, |
|
||||||
DCTELEM *block, int n, int qscale) |
|
||||||
{ |
|
||||||
int level=0, qmul, qadd; |
|
||||||
int nCoeffs; |
|
||||||
|
|
||||||
assert(s->block_last_index[n]>=0); |
|
||||||
|
|
||||||
qadd = (qscale - 1) | 1; |
|
||||||
qmul = qscale << 1; |
|
||||||
|
|
||||||
if (s->mb_intra) { |
|
||||||
if (!s->h263_aic) { |
|
||||||
if (n < 4) |
|
||||||
level = block[0] * s->y_dc_scale; |
|
||||||
else |
|
||||||
level = block[0] * s->c_dc_scale; |
|
||||||
}else { |
|
||||||
qadd = 0; |
|
||||||
level = block[0]; |
|
||||||
} |
|
||||||
nCoeffs= 63; //does not always use zigzag table
|
|
||||||
} else { |
|
||||||
nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ]; |
|
||||||
} |
|
||||||
|
|
||||||
__asm__ volatile( |
|
||||||
"add $14, $0, %3 \n\t" |
|
||||||
"pcpyld $8, %0, %0 \n\t" |
|
||||||
"pcpyh $8, $8 \n\t" //r8 = qmul
|
|
||||||
"pcpyld $9, %1, %1 \n\t" |
|
||||||
"pcpyh $9, $9 \n\t" //r9 = qadd
|
|
||||||
".p2align 2 \n\t" |
|
||||||
"1: \n\t" |
|
||||||
"lq $10, 0($14) \n\t" //r10 = level
|
|
||||||
"addi $14, $14, 16 \n\t" //block+=8
|
|
||||||
"addi %2, %2, -8 \n\t" |
|
||||||
"pcgth $11, $0, $10 \n\t" //r11 = level < 0 ? -1 : 0
|
|
||||||
"pcgth $12, $10, $0 \n\t" //r12 = level > 0 ? -1 : 0
|
|
||||||
"por $12, $11, $12 \n\t" |
|
||||||
"pmulth $10, $10, $8 \n\t" |
|
||||||
"paddh $13, $9, $11 \n\t" |
|
||||||
"pxor $13, $13, $11 \n\t" //r13 = level < 0 ? -qadd : qadd
|
|
||||||
"pmfhl.uw $11 \n\t" |
|
||||||
"pinteh $10, $11, $10 \n\t" //r10 = level * qmul
|
|
||||||
"paddh $10, $10, $13 \n\t" |
|
||||||
"pand $10, $10, $12 \n\t" |
|
||||||
"sq $10, -16($14) \n\t" |
|
||||||
"bgez %2, 1b \n\t" |
|
||||||
:: "r"(qmul), "r" (qadd), "r" (nCoeffs), "r" (block) : "$8", "$9", "$10", "$11", "$12", "$13", "$14", "memory" ); |
|
||||||
|
|
||||||
if(s->mb_intra) |
|
||||||
block[0]= level; |
|
||||||
} |
|
||||||
|
|
||||||
|
|
||||||
void ff_MPV_common_init_mmi(MpegEncContext *s) |
|
||||||
{ |
|
||||||
s->dct_unquantize_h263_intra = |
|
||||||
s->dct_unquantize_h263_inter = dct_unquantize_h263_mmi; |
|
||||||
} |
|
Loading…
Reference in new issue