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414 lines
13 KiB
414 lines
13 KiB
/* |
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* Copyright (C) 2003 Michael Niedermayer <michaelni@gmx.at> |
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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 <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <inttypes.h> |
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#include <stdarg.h> |
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#undef HAVE_AV_CONFIG_H |
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#include "libavutil/imgutils.h" |
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#include "libavutil/mem.h" |
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#include "libavutil/avutil.h" |
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#include "libavutil/crc.h" |
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#include "libavutil/pixdesc.h" |
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#include "libavutil/lfg.h" |
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#include "swscale.h" |
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/* HACK Duplicated from swscale_internal.h. |
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* Should be removed when a cleaner pixel format system exists. */ |
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#define isGray(x) ( \ |
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(x)==PIX_FMT_GRAY8 \ |
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|| (x)==PIX_FMT_GRAY16BE \ |
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|| (x)==PIX_FMT_GRAY16LE \ |
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) |
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#define hasChroma(x) (!( \ |
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isGray(x) \ |
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|| (x)==PIX_FMT_MONOBLACK \ |
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|| (x)==PIX_FMT_MONOWHITE \ |
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)) |
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#define isALPHA(x) ( \ |
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(x)==PIX_FMT_BGR32 \ |
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|| (x)==PIX_FMT_BGR32_1 \ |
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|| (x)==PIX_FMT_RGB32 \ |
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|| (x)==PIX_FMT_RGB32_1 \ |
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|| (x)==PIX_FMT_YUVA420P \ |
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) |
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static uint64_t getSSD(uint8_t *src1, uint8_t *src2, int stride1, int stride2, int w, int h) |
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{ |
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int x,y; |
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uint64_t ssd=0; |
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//printf("%d %d\n", w, h); |
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for (y=0; y<h; y++) { |
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for (x=0; x<w; x++) { |
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int d= src1[x + y*stride1] - src2[x + y*stride2]; |
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ssd+= d*d; |
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//printf("%d", abs(src1[x + y*stride1] - src2[x + y*stride2])/26 ); |
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} |
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//printf("\n"); |
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} |
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return ssd; |
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} |
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struct Results { |
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uint64_t ssdY; |
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uint64_t ssdU; |
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uint64_t ssdV; |
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uint64_t ssdA; |
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uint32_t crc; |
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}; |
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// test by ref -> src -> dst -> out & compare out against ref |
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// ref & out are YV12 |
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static int doTest(uint8_t *ref[4], int refStride[4], int w, int h, |
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enum PixelFormat srcFormat, enum PixelFormat dstFormat, |
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int srcW, int srcH, int dstW, int dstH, int flags, |
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struct Results *r) |
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{ |
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static enum PixelFormat cur_srcFormat; |
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static int cur_srcW, cur_srcH; |
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static uint8_t *src[4]; |
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static int srcStride[4]; |
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uint8_t *dst[4] = {0}; |
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uint8_t *out[4] = {0}; |
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int dstStride[4]; |
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int i; |
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uint64_t ssdY, ssdU=0, ssdV=0, ssdA=0; |
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struct SwsContext *dstContext = NULL, *outContext = NULL; |
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uint32_t crc = 0; |
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int res = 0; |
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if (cur_srcFormat != srcFormat || cur_srcW != srcW || cur_srcH != srcH) { |
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struct SwsContext *srcContext = NULL; |
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int p; |
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for (p = 0; p < 4; p++) |
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av_freep(&src[p]); |
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av_image_fill_linesizes(srcStride, srcFormat, srcW); |
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for (p = 0; p < 4; p++) { |
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if (srcStride[p]) |
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src[p] = av_mallocz(srcStride[p]*srcH+16); |
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if (srcStride[p] && !src[p]) { |
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perror("Malloc"); |
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res = -1; |
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goto end; |
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} |
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} |
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srcContext = sws_getContext(w, h, PIX_FMT_YUVA420P, srcW, srcH, |
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srcFormat, SWS_BILINEAR, NULL, NULL, NULL); |
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if (!srcContext) { |
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fprintf(stderr, "Failed to get %s ---> %s\n", |
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av_pix_fmt_descriptors[PIX_FMT_YUVA420P].name, |
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av_pix_fmt_descriptors[srcFormat].name); |
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res = -1; |
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goto end; |
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} |
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sws_scale(srcContext, ref, refStride, 0, h, src, srcStride); |
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sws_freeContext(srcContext); |
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cur_srcFormat = srcFormat; |
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cur_srcW = srcW; |
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cur_srcH = srcH; |
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} |
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av_image_fill_linesizes(dstStride, dstFormat, dstW); |
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for (i=0; i<4; i++) { |
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/* Image buffers passed into libswscale can be allocated any way you |
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* prefer, as long as they're aligned enough for the architecture, and |
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* they're freed appropriately (such as using av_free for buffers |
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* allocated with av_malloc). */ |
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/* An extra 16 bytes is being allocated because some scalers may write |
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* out of bounds. */ |
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if (dstStride[i]) |
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dst[i]= av_mallocz(dstStride[i]*dstH+16); |
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if (dstStride[i] && !dst[i]) { |
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perror("Malloc"); |
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res = -1; |
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goto end; |
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} |
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} |
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dstContext= sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, NULL, NULL, NULL); |
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if (!dstContext) { |
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fprintf(stderr, "Failed to get %s ---> %s\n", |
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av_pix_fmt_descriptors[srcFormat].name, |
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av_pix_fmt_descriptors[dstFormat].name); |
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res = -1; |
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goto end; |
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} |
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// printf("test %X %X %X -> %X %X %X\n", (int)ref[0], (int)ref[1], (int)ref[2], |
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// (int)src[0], (int)src[1], (int)src[2]); |
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printf(" %s %dx%d -> %s %3dx%3d flags=%2d", |
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av_pix_fmt_descriptors[srcFormat].name, srcW, srcH, |
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av_pix_fmt_descriptors[dstFormat].name, dstW, dstH, |
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flags); |
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fflush(stdout); |
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sws_scale(dstContext, src, srcStride, 0, srcH, dst, dstStride); |
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for (i = 0; i < 4 && dstStride[i]; i++) { |
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crc = av_crc(av_crc_get_table(AV_CRC_32_IEEE), crc, dst[i], dstStride[i] * dstH); |
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} |
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if (r && crc == r->crc) { |
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ssdY = r->ssdY; |
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ssdU = r->ssdU; |
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ssdV = r->ssdV; |
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ssdA = r->ssdA; |
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} else { |
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for (i=0; i<4; i++) { |
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if (refStride[i]) |
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out[i]= av_mallocz(refStride[i]*h); |
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if (refStride[i] && !out[i]) { |
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perror("Malloc"); |
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res = -1; |
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goto end; |
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} |
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} |
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outContext= sws_getContext(dstW, dstH, dstFormat, w, h, PIX_FMT_YUVA420P, SWS_BILINEAR, NULL, NULL, NULL); |
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if (!outContext) { |
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fprintf(stderr, "Failed to get %s ---> %s\n", |
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av_pix_fmt_descriptors[dstFormat].name, |
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av_pix_fmt_descriptors[PIX_FMT_YUVA420P].name); |
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res = -1; |
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goto end; |
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} |
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sws_scale(outContext, dst, dstStride, 0, dstH, out, refStride); |
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ssdY= getSSD(ref[0], out[0], refStride[0], refStride[0], w, h); |
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if (hasChroma(srcFormat) && hasChroma(dstFormat)) { |
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//FIXME check that output is really gray |
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ssdU= getSSD(ref[1], out[1], refStride[1], refStride[1], (w+1)>>1, (h+1)>>1); |
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ssdV= getSSD(ref[2], out[2], refStride[2], refStride[2], (w+1)>>1, (h+1)>>1); |
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} |
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if (isALPHA(srcFormat) && isALPHA(dstFormat)) |
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ssdA= getSSD(ref[3], out[3], refStride[3], refStride[3], w, h); |
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ssdY/= w*h; |
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ssdU/= w*h/4; |
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ssdV/= w*h/4; |
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ssdA/= w*h; |
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sws_freeContext(outContext); |
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for (i=0; i<4; i++) { |
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if (refStride[i]) |
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av_free(out[i]); |
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} |
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} |
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printf(" CRC=%08x SSD=%5"PRId64",%5"PRId64",%5"PRId64",%5"PRId64"\n", |
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crc, ssdY, ssdU, ssdV, ssdA); |
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end: |
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sws_freeContext(dstContext); |
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for (i=0; i<4; i++) { |
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if (dstStride[i]) |
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av_free(dst[i]); |
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} |
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return res; |
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} |
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static void selfTest(uint8_t *ref[4], int refStride[4], int w, int h, |
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enum PixelFormat srcFormat_in, |
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enum PixelFormat dstFormat_in) |
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{ |
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const int flags[] = { SWS_FAST_BILINEAR, |
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SWS_BILINEAR, SWS_BICUBIC, |
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SWS_X , SWS_POINT , SWS_AREA, 0 }; |
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const int srcW = w; |
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const int srcH = h; |
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const int dstW[] = { srcW - srcW/3, srcW, srcW + srcW/3, 0 }; |
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const int dstH[] = { srcH - srcH/3, srcH, srcH + srcH/3, 0 }; |
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enum PixelFormat srcFormat, dstFormat; |
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for (srcFormat = srcFormat_in != PIX_FMT_NONE ? srcFormat_in : 0; |
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srcFormat < PIX_FMT_NB; srcFormat++) { |
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if (!sws_isSupportedInput(srcFormat) || !sws_isSupportedOutput(srcFormat)) |
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continue; |
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for (dstFormat = dstFormat_in != PIX_FMT_NONE ? dstFormat_in : 0; |
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dstFormat < PIX_FMT_NB; dstFormat++) { |
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int i, j, k; |
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int res = 0; |
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if (!sws_isSupportedInput(dstFormat) || !sws_isSupportedOutput(dstFormat)) |
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continue; |
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printf("%s -> %s\n", |
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av_pix_fmt_descriptors[srcFormat].name, |
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av_pix_fmt_descriptors[dstFormat].name); |
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fflush(stdout); |
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for (k = 0; flags[k] && !res; k++) { |
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for (i = 0; dstW[i] && !res; i++) |
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for (j = 0; dstH[j] && !res; j++) |
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res = doTest(ref, refStride, w, h, |
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srcFormat, dstFormat, |
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srcW, srcH, dstW[i], dstH[j], flags[k], |
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NULL); |
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} |
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if (dstFormat_in != PIX_FMT_NONE) |
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break; |
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} |
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if (srcFormat_in != PIX_FMT_NONE) |
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break; |
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} |
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} |
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static int fileTest(uint8_t *ref[4], int refStride[4], int w, int h, FILE *fp, |
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enum PixelFormat srcFormat_in, |
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enum PixelFormat dstFormat_in) |
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{ |
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char buf[256]; |
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while (fgets(buf, sizeof(buf), fp)) { |
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struct Results r; |
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enum PixelFormat srcFormat; |
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char srcStr[12]; |
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int srcW, srcH; |
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enum PixelFormat dstFormat; |
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char dstStr[12]; |
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int dstW, dstH; |
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int flags; |
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int ret; |
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ret = sscanf(buf, " %12s %dx%d -> %12s %dx%d flags=%d CRC=%x" |
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" SSD=%"PRId64", %"PRId64", %"PRId64", %"PRId64"\n", |
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srcStr, &srcW, &srcH, dstStr, &dstW, &dstH, |
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&flags, &r.crc, &r.ssdY, &r.ssdU, &r.ssdV, &r.ssdA); |
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if (ret != 12) { |
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srcStr[0] = dstStr[0] = 0; |
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ret = sscanf(buf, "%12s -> %12s\n", srcStr, dstStr); |
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} |
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srcFormat = av_get_pix_fmt(srcStr); |
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dstFormat = av_get_pix_fmt(dstStr); |
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if (srcFormat == PIX_FMT_NONE || dstFormat == PIX_FMT_NONE) { |
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fprintf(stderr, "malformed input file\n"); |
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return -1; |
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} |
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if ((srcFormat_in != PIX_FMT_NONE && srcFormat_in != srcFormat) || |
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(dstFormat_in != PIX_FMT_NONE && dstFormat_in != dstFormat)) |
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continue; |
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if (ret != 12) { |
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printf("%s", buf); |
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continue; |
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} |
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doTest(ref, refStride, w, h, |
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srcFormat, dstFormat, |
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srcW, srcH, dstW, dstH, flags, |
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&r); |
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} |
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return 0; |
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} |
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#define W 96 |
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#define H 96 |
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int main(int argc, char **argv) |
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{ |
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enum PixelFormat srcFormat = PIX_FMT_NONE; |
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enum PixelFormat dstFormat = PIX_FMT_NONE; |
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uint8_t *rgb_data = av_malloc (W*H*4); |
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uint8_t *rgb_src[3]= {rgb_data, NULL, NULL}; |
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int rgb_stride[3]={4*W, 0, 0}; |
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uint8_t *data = av_malloc (4*W*H); |
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uint8_t *src[4]= {data, data+W*H, data+W*H*2, data+W*H*3}; |
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int stride[4]={W, W, W, W}; |
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int x, y; |
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struct SwsContext *sws; |
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AVLFG rand; |
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int res = -1; |
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int i; |
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if (!rgb_data || !data) |
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return -1; |
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sws= sws_getContext(W/12, H/12, PIX_FMT_RGB32, W, H, PIX_FMT_YUVA420P, SWS_BILINEAR, NULL, NULL, NULL); |
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av_lfg_init(&rand, 1); |
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for (y=0; y<H; y++) { |
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for (x=0; x<W*4; x++) { |
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rgb_data[ x + y*4*W]= av_lfg_get(&rand); |
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} |
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} |
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sws_scale(sws, rgb_src, rgb_stride, 0, H, src, stride); |
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sws_freeContext(sws); |
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av_free(rgb_data); |
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for (i = 1; i < argc; i += 2) { |
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if (argv[i][0] != '-' || i+1 == argc) |
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goto bad_option; |
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if (!strcmp(argv[i], "-ref")) { |
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FILE *fp = fopen(argv[i+1], "r"); |
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if (!fp) { |
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fprintf(stderr, "could not open '%s'\n", argv[i+1]); |
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goto error; |
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} |
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res = fileTest(src, stride, W, H, fp, srcFormat, dstFormat); |
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fclose(fp); |
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goto end; |
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} else if (!strcmp(argv[i], "-src")) { |
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srcFormat = av_get_pix_fmt(argv[i+1]); |
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if (srcFormat == PIX_FMT_NONE) { |
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fprintf(stderr, "invalid pixel format %s\n", argv[i+1]); |
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return -1; |
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} |
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} else if (!strcmp(argv[i], "-dst")) { |
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dstFormat = av_get_pix_fmt(argv[i+1]); |
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if (dstFormat == PIX_FMT_NONE) { |
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fprintf(stderr, "invalid pixel format %s\n", argv[i+1]); |
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return -1; |
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} |
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} else { |
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bad_option: |
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fprintf(stderr, "bad option or argument missing (%s)\n", argv[i]); |
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goto error; |
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} |
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} |
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selfTest(src, stride, W, H, srcFormat, dstFormat); |
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end: |
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res = 0; |
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error: |
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av_free(data); |
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return res; |
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}
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