mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
png: move DSP functions to their own DSP context.
This commit is contained in:
parent
f9708e9a0e
commit
e92003514d
@ -296,7 +296,7 @@ OBJS-$(CONFIG_PGMYUV_DECODER) += pnmdec.o pnm.o
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OBJS-$(CONFIG_PGMYUV_ENCODER) += pnmenc.o pnm.o
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OBJS-$(CONFIG_PGSSUB_DECODER) += pgssubdec.o
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OBJS-$(CONFIG_PICTOR_DECODER) += pictordec.o cga_data.o
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OBJS-$(CONFIG_PNG_DECODER) += png.o pngdec.o
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OBJS-$(CONFIG_PNG_DECODER) += png.o pngdec.o pngdsp.o
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OBJS-$(CONFIG_PNG_ENCODER) += png.o pngenc.o
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OBJS-$(CONFIG_PPM_DECODER) += pnmdec.o pnm.o
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OBJS-$(CONFIG_PPM_ENCODER) += pnmenc.o pnm.o
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@ -38,7 +38,6 @@
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#include "config.h"
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#include "ac3dec.h"
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#include "vorbis.h"
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#include "png.h"
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uint8_t ff_cropTbl[256 + 2 * MAX_NEG_CROP] = {0, };
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uint32_t ff_squareTbl[512] = {0, };
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@ -1882,17 +1881,6 @@ static void add_bytes_c(uint8_t *dst, uint8_t *src, int w){
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dst[i+0] += src[i+0];
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}
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static void add_bytes_l2_c(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){
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long i;
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for(i=0; i<=w-sizeof(long); i+=sizeof(long)){
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long a = *(long*)(src1+i);
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long b = *(long*)(src2+i);
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*(long*)(dst+i) = ((a&pb_7f) + (b&pb_7f)) ^ ((a^b)&pb_80);
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}
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for(; i<w; i++)
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dst[i] = src1[i]+src2[i];
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}
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static void diff_bytes_c(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){
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long i;
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#if !HAVE_FAST_UNALIGNED
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@ -3003,7 +2991,6 @@ av_cold void dsputil_init(DSPContext* c, AVCodecContext *avctx)
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c->ssd_int8_vs_int16 = ssd_int8_vs_int16_c;
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c->add_bytes= add_bytes_c;
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c->add_bytes_l2= add_bytes_l2_c;
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c->diff_bytes= diff_bytes_c;
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c->add_hfyu_median_prediction= add_hfyu_median_prediction_c;
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c->sub_hfyu_median_prediction= sub_hfyu_median_prediction_c;
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@ -3011,9 +2998,6 @@ av_cold void dsputil_init(DSPContext* c, AVCodecContext *avctx)
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c->add_hfyu_left_prediction_bgr32 = add_hfyu_left_prediction_bgr32_c;
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c->bswap_buf= bswap_buf;
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c->bswap16_buf = bswap16_buf;
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#if CONFIG_PNG_DECODER
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c->add_png_paeth_prediction= ff_add_png_paeth_prediction;
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#endif
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if (CONFIG_H263_DECODER || CONFIG_H263_ENCODER) {
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c->h263_h_loop_filter= h263_h_loop_filter_c;
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@ -378,7 +378,6 @@ typedef struct DSPContext {
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/* huffyuv specific */
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void (*add_bytes)(uint8_t *dst/*align 16*/, uint8_t *src/*align 16*/, int w);
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void (*add_bytes_l2)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*align 16*/, int w);
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void (*diff_bytes)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*align 1*/,int w);
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/**
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* subtract huffyuv's variant of median prediction
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@ -388,8 +387,6 @@ typedef struct DSPContext {
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void (*add_hfyu_median_prediction)(uint8_t *dst, const uint8_t *top, const uint8_t *diff, int w, int *left, int *left_top);
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int (*add_hfyu_left_prediction)(uint8_t *dst, const uint8_t *src, int w, int left);
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void (*add_hfyu_left_prediction_bgr32)(uint8_t *dst, const uint8_t *src, int w, int *red, int *green, int *blue, int *alpha);
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/* this might write to dst[w] */
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void (*add_png_paeth_prediction)(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp);
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void (*bswap_buf)(uint32_t *dst, const uint32_t *src, int w);
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void (*bswap16_buf)(uint16_t *dst, const uint16_t *src, int len);
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@ -22,7 +22,7 @@
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#include "avcodec.h"
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#include "bytestream.h"
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#include "png.h"
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#include "dsputil.h"
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#include "pngdsp.h"
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/* TODO:
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* - add 2, 4 and 16 bit depth support
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@ -33,7 +33,7 @@
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//#define DEBUG
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typedef struct PNGDecContext {
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DSPContext dsp;
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PNGDSPContext dsp;
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const uint8_t *bytestream;
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const uint8_t *bytestream_start;
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@ -191,7 +191,7 @@ void ff_add_png_paeth_prediction(uint8_t *dst, uint8_t *src, uint8_t *top, int w
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}
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/* NOTE: 'dst' can be equal to 'last' */
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static void png_filter_row(DSPContext *dsp, uint8_t *dst, int filter_type,
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static void png_filter_row(PNGDSPContext *dsp, uint8_t *dst, int filter_type,
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uint8_t *src, uint8_t *last, int size, int bpp)
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{
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int i, p, r, g, b, a;
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@ -235,7 +235,7 @@ static void png_filter_row(DSPContext *dsp, uint8_t *dst, int filter_type,
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if(bpp > 1 && size > 4) {
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// would write off the end of the array if we let it process the last pixel with bpp=3
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int w = bpp==4 ? size : size-3;
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dsp->add_png_paeth_prediction(dst+i, src+i, last+i, w-i, bpp);
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dsp->add_paeth_prediction(dst+i, src+i, last+i, w-i, bpp);
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i = w;
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}
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ff_add_png_paeth_prediction(dst+i, src+i, last+i, size-i, bpp);
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@ -639,7 +639,7 @@ static av_cold int png_dec_init(AVCodecContext *avctx){
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s->last_picture = &s->picture2;
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avcodec_get_frame_defaults(&s->picture1);
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avcodec_get_frame_defaults(&s->picture2);
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dsputil_init(&s->dsp, avctx);
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ff_pngdsp_init(&s->dsp);
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return 0;
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}
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48
libavcodec/pngdsp.c
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48
libavcodec/pngdsp.c
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@ -0,0 +1,48 @@
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/*
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* PNG image format
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* Copyright (c) 2008 Loren Merrit <lorenm@u.washington.edu>
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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 "png.h"
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#include "pngdsp.h"
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// 0x7f7f7f7f or 0x7f7f7f7f7f7f7f7f or whatever, depending on the cpu's native arithmetic size
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#define pb_7f (~0UL/255 * 0x7f)
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#define pb_80 (~0UL/255 * 0x80)
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static void add_bytes_l2_c(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w)
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{
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long i;
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for (i = 0; i <= w - sizeof(long); i += sizeof(long)) {
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long a = *(long *)(src1 + i);
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long b = *(long *)(src2 + i);
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*(long *)(dst + i) = ((a & pb_7f) + (b & pb_7f)) ^ ((a ^ b) & pb_80);
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}
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for (; i < w; i++)
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dst[i] = src1[i] + src2[i];
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}
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void ff_pngdsp_init(PNGDSPContext *dsp)
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{
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dsp->add_bytes_l2 = add_bytes_l2_c;
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dsp->add_paeth_prediction = ff_add_png_paeth_prediction;
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if (HAVE_MMX) ff_pngdsp_init_x86(dsp);
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}
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40
libavcodec/pngdsp.h
Normal file
40
libavcodec/pngdsp.h
Normal file
@ -0,0 +1,40 @@
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/*
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* PNG image format
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* Copyright (c) 2008 Loren Merrit <lorenm@u.washington.edu>
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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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#ifndef AVCODEC_PNGDSP_H
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#define AVCODEC_PNGDSP_H
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#include <stdint.h>
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typedef struct PNGDSPContext {
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void (*add_bytes_l2)(uint8_t *dst /* align 16 */,
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uint8_t *src1 /* align 16 */,
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uint8_t *src2 /* align 16 */, int w);
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/* this might write to dst[w] */
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void (*add_paeth_prediction)(uint8_t *dst, uint8_t *src,
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uint8_t *top, int w, int bpp);
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} PNGDSPContext;
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void ff_pngdsp_init(PNGDSPContext *dsp);
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void ff_pngdsp_init_x86(PNGDSPContext *dsp);
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#endif /* AVCDODEC_PNGDSP_H */
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@ -42,6 +42,7 @@ MMX-OBJS-$(CONFIG_ENCODERS) += x86/dsputilenc_mmx.o
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YASM-OBJS-$(CONFIG_ENCODERS) += x86/dsputilenc_yasm.o
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MMX-OBJS-$(CONFIG_GPL) += x86/idct_mmx.o
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MMX-OBJS-$(CONFIG_LPC) += x86/lpc_mmx.o
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MMX-OBJS-$(CONFIG_PNG_DECODER) += x86/pngdsp-init.o
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YASM-OBJS-$(CONFIG_PRORES_DECODER) += x86/proresdsp.o
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MMX-OBJS-$(CONFIG_PRORES_DECODER) += x86/proresdsp-init.o
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MMX-OBJS-$(CONFIG_DWT) += x86/snowdsp_mmx.o
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@ -582,28 +582,6 @@ static void add_bytes_mmx(uint8_t *dst, uint8_t *src, int w){
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dst[i+0] += src[i+0];
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}
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static void add_bytes_l2_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){
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x86_reg i=0;
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__asm__ volatile(
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"jmp 2f \n\t"
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"1: \n\t"
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"movq (%2, %0), %%mm0 \n\t"
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"movq 8(%2, %0), %%mm1 \n\t"
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"paddb (%3, %0), %%mm0 \n\t"
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"paddb 8(%3, %0), %%mm1 \n\t"
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"movq %%mm0, (%1, %0) \n\t"
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"movq %%mm1, 8(%1, %0) \n\t"
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"add $16, %0 \n\t"
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"2: \n\t"
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"cmp %4, %0 \n\t"
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" js 1b \n\t"
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: "+r" (i)
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: "r"(dst), "r"(src1), "r"(src2), "r"((x86_reg)w-15)
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);
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for(; i<w; i++)
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dst[i] = src1[i] + src2[i];
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}
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#if HAVE_7REGS
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static void add_hfyu_median_prediction_cmov(uint8_t *dst, const uint8_t *top, const uint8_t *diff, int w, int *left, int *left_top) {
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x86_reg w2 = -w;
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@ -879,80 +857,6 @@ static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height, int w,
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}
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}
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#define PAETH(cpu, abs3)\
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static void add_png_paeth_prediction_##cpu(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp)\
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{\
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x86_reg i = -bpp;\
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x86_reg end = w-3;\
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__asm__ volatile(\
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"pxor %%mm7, %%mm7 \n"\
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"movd (%1,%0), %%mm0 \n"\
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"movd (%2,%0), %%mm1 \n"\
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"punpcklbw %%mm7, %%mm0 \n"\
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"punpcklbw %%mm7, %%mm1 \n"\
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"add %4, %0 \n"\
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"1: \n"\
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"movq %%mm1, %%mm2 \n"\
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"movd (%2,%0), %%mm1 \n"\
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"movq %%mm2, %%mm3 \n"\
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"punpcklbw %%mm7, %%mm1 \n"\
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"movq %%mm2, %%mm4 \n"\
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"psubw %%mm1, %%mm3 \n"\
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"psubw %%mm0, %%mm4 \n"\
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"movq %%mm3, %%mm5 \n"\
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"paddw %%mm4, %%mm5 \n"\
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abs3\
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"movq %%mm4, %%mm6 \n"\
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"pminsw %%mm5, %%mm6 \n"\
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"pcmpgtw %%mm6, %%mm3 \n"\
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"pcmpgtw %%mm5, %%mm4 \n"\
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"movq %%mm4, %%mm6 \n"\
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"pand %%mm3, %%mm4 \n"\
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"pandn %%mm3, %%mm6 \n"\
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"pandn %%mm0, %%mm3 \n"\
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"movd (%3,%0), %%mm0 \n"\
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"pand %%mm1, %%mm6 \n"\
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"pand %%mm4, %%mm2 \n"\
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"punpcklbw %%mm7, %%mm0 \n"\
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"movq %6, %%mm5 \n"\
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"paddw %%mm6, %%mm0 \n"\
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"paddw %%mm2, %%mm3 \n"\
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"paddw %%mm3, %%mm0 \n"\
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"pand %%mm5, %%mm0 \n"\
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"movq %%mm0, %%mm3 \n"\
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"packuswb %%mm3, %%mm3 \n"\
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"movd %%mm3, (%1,%0) \n"\
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"add %4, %0 \n"\
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"cmp %5, %0 \n"\
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"jle 1b \n"\
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:"+r"(i)\
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:"r"(dst), "r"(top), "r"(src), "r"((x86_reg)bpp), "g"(end),\
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"m"(ff_pw_255)\
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:"memory"\
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);\
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}
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#define ABS3_MMX2\
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"psubw %%mm5, %%mm7 \n"\
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"pmaxsw %%mm7, %%mm5 \n"\
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"pxor %%mm6, %%mm6 \n"\
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"pxor %%mm7, %%mm7 \n"\
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"psubw %%mm3, %%mm6 \n"\
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"psubw %%mm4, %%mm7 \n"\
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"pmaxsw %%mm6, %%mm3 \n"\
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"pmaxsw %%mm7, %%mm4 \n"\
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"pxor %%mm7, %%mm7 \n"
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#define ABS3_SSSE3\
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"pabsw %%mm3, %%mm3 \n"\
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"pabsw %%mm4, %%mm4 \n"\
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"pabsw %%mm5, %%mm5 \n"
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PAETH(mmx2, ABS3_MMX2)
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#if HAVE_SSSE3
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PAETH(ssse3, ABS3_SSSE3)
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#endif
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#define QPEL_V_LOW(m3,m4,m5,m6, pw_20, pw_3, rnd, in0, in1, in2, in7, out, OP)\
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"paddw " #m4 ", " #m3 " \n\t" /* x1 */\
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"movq "MANGLE(ff_pw_20)", %%mm4 \n\t" /* 20 */\
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@ -2552,7 +2456,6 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
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#endif
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c->add_bytes= add_bytes_mmx;
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c->add_bytes_l2= add_bytes_l2_mmx;
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if (!high_bit_depth)
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c->draw_edges = draw_edges_mmx;
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@ -2686,8 +2589,6 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
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if (HAVE_AMD3DNOW && (mm_flags & AV_CPU_FLAG_3DNOW))
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c->add_hfyu_median_prediction = add_hfyu_median_prediction_cmov;
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#endif
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c->add_png_paeth_prediction= add_png_paeth_prediction_mmx2;
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} else if (HAVE_AMD3DNOW && (mm_flags & AV_CPU_FLAG_3DNOW)) {
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c->prefetch = prefetch_3dnow;
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@ -2826,9 +2727,6 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
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H264_QPEL_FUNCS_10(2, 0, ssse3_cache64)
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H264_QPEL_FUNCS_10(3, 0, ssse3_cache64)
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}
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#endif
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c->add_png_paeth_prediction= add_png_paeth_prediction_ssse3;
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#if HAVE_YASM
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if (!high_bit_depth && CONFIG_H264CHROMA) {
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c->put_h264_chroma_pixels_tab[0]= ff_put_h264_chroma_mc8_ssse3_rnd;
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c->avg_h264_chroma_pixels_tab[0]= ff_avg_h264_chroma_mc8_ssse3_rnd;
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135
libavcodec/x86/pngdsp-init.c
Normal file
135
libavcodec/x86/pngdsp-init.c
Normal file
@ -0,0 +1,135 @@
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/*
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||||
* x86 PNG optimizations.
|
||||
* Copyright (c) 2008 Loren Merrit <lorenm@u.washington.edu>
|
||||
*
|
||||
* 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 "libavutil/cpu.h"
|
||||
#include "libavutil/x86_cpu.h"
|
||||
#include "libavcodec/pngdsp.h"
|
||||
#include "dsputil_mmx.h"
|
||||
|
||||
#define PAETH(cpu, abs3)\
|
||||
static void add_png_paeth_prediction_##cpu(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp)\
|
||||
{\
|
||||
x86_reg i = -bpp;\
|
||||
x86_reg end = w-3;\
|
||||
__asm__ volatile(\
|
||||
"pxor %%mm7, %%mm7 \n"\
|
||||
"movd (%1,%0), %%mm0 \n"\
|
||||
"movd (%2,%0), %%mm1 \n"\
|
||||
"punpcklbw %%mm7, %%mm0 \n"\
|
||||
"punpcklbw %%mm7, %%mm1 \n"\
|
||||
"add %4, %0 \n"\
|
||||
"1: \n"\
|
||||
"movq %%mm1, %%mm2 \n"\
|
||||
"movd (%2,%0), %%mm1 \n"\
|
||||
"movq %%mm2, %%mm3 \n"\
|
||||
"punpcklbw %%mm7, %%mm1 \n"\
|
||||
"movq %%mm2, %%mm4 \n"\
|
||||
"psubw %%mm1, %%mm3 \n"\
|
||||
"psubw %%mm0, %%mm4 \n"\
|
||||
"movq %%mm3, %%mm5 \n"\
|
||||
"paddw %%mm4, %%mm5 \n"\
|
||||
abs3\
|
||||
"movq %%mm4, %%mm6 \n"\
|
||||
"pminsw %%mm5, %%mm6 \n"\
|
||||
"pcmpgtw %%mm6, %%mm3 \n"\
|
||||
"pcmpgtw %%mm5, %%mm4 \n"\
|
||||
"movq %%mm4, %%mm6 \n"\
|
||||
"pand %%mm3, %%mm4 \n"\
|
||||
"pandn %%mm3, %%mm6 \n"\
|
||||
"pandn %%mm0, %%mm3 \n"\
|
||||
"movd (%3,%0), %%mm0 \n"\
|
||||
"pand %%mm1, %%mm6 \n"\
|
||||
"pand %%mm4, %%mm2 \n"\
|
||||
"punpcklbw %%mm7, %%mm0 \n"\
|
||||
"movq %6, %%mm5 \n"\
|
||||
"paddw %%mm6, %%mm0 \n"\
|
||||
"paddw %%mm2, %%mm3 \n"\
|
||||
"paddw %%mm3, %%mm0 \n"\
|
||||
"pand %%mm5, %%mm0 \n"\
|
||||
"movq %%mm0, %%mm3 \n"\
|
||||
"packuswb %%mm3, %%mm3 \n"\
|
||||
"movd %%mm3, (%1,%0) \n"\
|
||||
"add %4, %0 \n"\
|
||||
"cmp %5, %0 \n"\
|
||||
"jle 1b \n"\
|
||||
:"+r"(i)\
|
||||
:"r"(dst), "r"(top), "r"(src), "r"((x86_reg)bpp), "g"(end),\
|
||||
"m"(ff_pw_255)\
|
||||
:"memory"\
|
||||
);\
|
||||
}
|
||||
|
||||
#define ABS3_MMX2\
|
||||
"psubw %%mm5, %%mm7 \n"\
|
||||
"pmaxsw %%mm7, %%mm5 \n"\
|
||||
"pxor %%mm6, %%mm6 \n"\
|
||||
"pxor %%mm7, %%mm7 \n"\
|
||||
"psubw %%mm3, %%mm6 \n"\
|
||||
"psubw %%mm4, %%mm7 \n"\
|
||||
"pmaxsw %%mm6, %%mm3 \n"\
|
||||
"pmaxsw %%mm7, %%mm4 \n"\
|
||||
"pxor %%mm7, %%mm7 \n"
|
||||
|
||||
#define ABS3_SSSE3\
|
||||
"pabsw %%mm3, %%mm3 \n"\
|
||||
"pabsw %%mm4, %%mm4 \n"\
|
||||
"pabsw %%mm5, %%mm5 \n"
|
||||
|
||||
PAETH(mmx2, ABS3_MMX2)
|
||||
#if HAVE_SSSE3
|
||||
PAETH(ssse3, ABS3_SSSE3)
|
||||
#endif
|
||||
|
||||
static void add_bytes_l2_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w)
|
||||
{
|
||||
x86_reg i=0;
|
||||
|
||||
__asm__ volatile(
|
||||
"jmp 2f \n\t"
|
||||
"1: \n\t"
|
||||
"movq (%2, %0), %%mm0 \n\t"
|
||||
"movq 8(%2, %0), %%mm1 \n\t"
|
||||
"paddb (%3, %0), %%mm0 \n\t"
|
||||
"paddb 8(%3, %0), %%mm1 \n\t"
|
||||
"movq %%mm0, (%1, %0) \n\t"
|
||||
"movq %%mm1, 8(%1, %0) \n\t"
|
||||
"add $16, %0 \n\t"
|
||||
"2: \n\t"
|
||||
"cmp %4, %0 \n\t"
|
||||
" js 1b \n\t"
|
||||
: "+r" (i)
|
||||
: "r"(dst), "r"(src1), "r"(src2), "r"((x86_reg) w - 15)
|
||||
);
|
||||
for (; i < w; i++)
|
||||
dst[i] = src1[i] + src2[i];
|
||||
}
|
||||
|
||||
void ff_pngdsp_init_x86(PNGDSPContext *dsp)
|
||||
{
|
||||
int flags = av_get_cpu_flags();
|
||||
|
||||
if (flags & AV_CPU_FLAG_MMX)
|
||||
dsp->add_bytes_l2 = add_bytes_l2_mmx;
|
||||
if (flags & AV_CPU_FLAG_MMX2)
|
||||
dsp->add_paeth_prediction = add_png_paeth_prediction_mmx2;
|
||||
if (flags & AV_CPU_FLAG_SSSE3)
|
||||
dsp->add_paeth_prediction = add_png_paeth_prediction_ssse3;
|
||||
}
|
Loading…
Reference in New Issue
Block a user