From da835cc8a38c54c09b4fe82b73a32781f57c2d4c Mon Sep 17 00:00:00 2001 From: Diego Biurrun Date: Mon, 2 Mar 2009 08:32:29 +0000 Subject: Create 0.5 release branch. Originally committed as revision 17727 to svn://svn.ffmpeg.org/ffmpeg/branches/0.5 --- libswscale/swscale-example.c | 210 ------------------------------------------- 1 file changed, 210 deletions(-) delete mode 100644 libswscale/swscale-example.c (limited to 'libswscale/swscale-example.c') diff --git a/libswscale/swscale-example.c b/libswscale/swscale-example.c deleted file mode 100644 index 87b9ba027d..0000000000 --- a/libswscale/swscale-example.c +++ /dev/null @@ -1,210 +0,0 @@ -/* - * Copyright (C) 2003 Michael Niedermayer - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include -#include -#include -#include -#include - -#undef HAVE_AV_CONFIG_H -#include "libavutil/avutil.h" -#include "swscale.h" -#include "swscale_internal.h" - -static uint64_t getSSD(uint8_t *src1, uint8_t *src2, int stride1, int stride2, int w, int h){ - int x,y; - uint64_t ssd=0; - -//printf("%d %d\n", w, h); - - for (y=0; y src -> dst -> out & compare out against ref -// ref & out are YV12 -static int doTest(uint8_t *ref[3], int refStride[3], int w, int h, int srcFormat, int dstFormat, - int srcW, int srcH, int dstW, int dstH, int flags){ - uint8_t *src[3]; - uint8_t *dst[3]; - uint8_t *out[3]; - int srcStride[3], dstStride[3]; - int i; - uint64_t ssdY, ssdU, ssdV; - struct SwsContext *srcContext, *dstContext, *outContext; - int res; - - res = 0; - for (i=0; i<3; i++){ - // avoid stride % bpp != 0 - if (srcFormat==PIX_FMT_RGB24 || srcFormat==PIX_FMT_BGR24) - srcStride[i]= srcW*3; - else - srcStride[i]= srcW*4; - - if (dstFormat==PIX_FMT_RGB24 || dstFormat==PIX_FMT_BGR24) - dstStride[i]= dstW*3; - else - dstStride[i]= dstW*4; - - src[i]= (uint8_t*) malloc(srcStride[i]*srcH); - dst[i]= (uint8_t*) malloc(dstStride[i]*dstH); - out[i]= (uint8_t*) malloc(refStride[i]*h); - if (!src[i] || !dst[i] || !out[i]) { - perror("Malloc"); - res = -1; - - goto end; - } - } - - dstContext = outContext = NULL; - srcContext= sws_getContext(w, h, PIX_FMT_YUV420P, srcW, srcH, srcFormat, flags, NULL, NULL, NULL); - if (!srcContext) { - fprintf(stderr, "Failed to get %s ---> %s\n", - sws_format_name(PIX_FMT_YUV420P), - sws_format_name(srcFormat)); - res = -1; - - goto end; - } - dstContext= sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, NULL, NULL, NULL); - if (!dstContext) { - fprintf(stderr, "Failed to get %s ---> %s\n", - sws_format_name(srcFormat), - sws_format_name(dstFormat)); - res = -1; - - goto end; - } - outContext= sws_getContext(dstW, dstH, dstFormat, w, h, PIX_FMT_YUV420P, flags, NULL, NULL, NULL); - if (!outContext) { - fprintf(stderr, "Failed to get %s ---> %s\n", - sws_format_name(dstFormat), - sws_format_name(PIX_FMT_YUV420P)); - res = -1; - - goto end; - } -// printf("test %X %X %X -> %X %X %X\n", (int)ref[0], (int)ref[1], (int)ref[2], -// (int)src[0], (int)src[1], (int)src[2]); - - sws_scale(srcContext, ref, refStride, 0, h , src, srcStride); - sws_scale(dstContext, src, srcStride, 0, srcH, dst, dstStride); - sws_scale(outContext, dst, dstStride, 0, dstH, out, refStride); - - ssdY= getSSD(ref[0], out[0], refStride[0], refStride[0], w, h); - ssdU= getSSD(ref[1], out[1], refStride[1], refStride[1], (w+1)>>1, (h+1)>>1); - ssdV= getSSD(ref[2], out[2], refStride[2], refStride[2], (w+1)>>1, (h+1)>>1); - - if (srcFormat == PIX_FMT_GRAY8 || dstFormat==PIX_FMT_GRAY8) ssdU=ssdV=0; //FIXME check that output is really gray - - ssdY/= w*h; - ssdU/= w*h/4; - ssdV/= w*h/4; - - printf(" %s %dx%d -> %s %4dx%4d flags=%2d SSD=%5lld,%5lld,%5lld\n", - sws_format_name(srcFormat), srcW, srcH, - sws_format_name(dstFormat), dstW, dstH, - flags, ssdY, ssdU, ssdV); - fflush(stdout); - - end: - - sws_freeContext(srcContext); - sws_freeContext(dstContext); - sws_freeContext(outContext); - - for (i=0; i<3; i++){ - free(src[i]); - free(dst[i]); - free(out[i]); - } - - return res; -} - -static void selfTest(uint8_t *src[3], int stride[3], int w, int h){ - enum PixelFormat srcFormat, dstFormat; - int srcW, srcH, dstW, dstH; - int flags; - - for (srcFormat = 0; srcFormat < PIX_FMT_NB; srcFormat++) { - for (dstFormat = 0; dstFormat < PIX_FMT_NB; dstFormat++) { - printf("%s -> %s\n", - sws_format_name(srcFormat), - sws_format_name(dstFormat)); - fflush(stdout); - - srcW= w; - srcH= h; - for (dstW=w - w/3; dstW<= 4*w/3; dstW+= w/3){ - for (dstH=h - h/3; dstH<= 4*h/3; dstH+= h/3){ - for (flags=1; flags<33; flags*=2) { - int res; - - res = doTest(src, stride, w, h, srcFormat, dstFormat, - srcW, srcH, dstW, dstH, flags); - if (res < 0) { - dstW = 4 * w / 3; - dstH = 4 * h / 3; - flags = 33; - } - } - } - } - } - } -} - -#define W 96 -#define H 96 - -int main(int argc, char **argv){ - uint8_t *rgb_data = malloc (W*H*4); - uint8_t *rgb_src[3]= {rgb_data, NULL, NULL}; - int rgb_stride[3]={4*W, 0, 0}; - uint8_t *data = malloc (3*W*H); - uint8_t *src[3]= {data, data+W*H, data+W*H*2}; - int stride[3]={W, W, W}; - int x, y; - struct SwsContext *sws; - - sws= sws_getContext(W/12, H/12, PIX_FMT_RGB32, W, H, PIX_FMT_YUV420P, 2, NULL, NULL, NULL); - - for (y=0; y