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| 1 /* | |
| 2 * Copyright (C) 2003 Michael Niedermayer <michaelni@gmx.at> | |
| 3 * | |
| 4 * This file is part of FFmpeg. | |
| 5 * | |
| 6 * FFmpeg is free software; you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU Lesser General Public | |
| 8 * License as published by the Free Software Foundation; either | |
| 9 * version 2.1 of the License, or (at your option) any later version. | |
| 10 * | |
| 11 * FFmpeg is distributed in the hope that it will be useful, | |
| 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 * Lesser General Public License for more details. | |
| 15 * | |
| 16 * You should have received a copy of the GNU Lesser General Public | |
| 17 * License along with FFmpeg; if not, write to the Free Software | |
| 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 19 */ | |
| 20 | |
| 21 #include <stdio.h> | |
| 22 #include <stdlib.h> | |
| 23 #include <string.h> | |
| 24 #include <inttypes.h> | |
| 25 #include <stdarg.h> | |
| 26 | |
| 27 #undef HAVE_AV_CONFIG_H | |
| 28 #include "libavutil/mem.h" | |
| 29 #include "libavutil/avutil.h" | |
| 30 #include "libavutil/lfg.h" | |
| 31 #include "swscale.h" | |
| 32 | |
| 33 /* HACK Duplicated from swscale_internal.h. | |
| 34 * Should be removed when a cleaner pixel format system exists. */ | |
| 35 const char *sws_format_name(enum PixelFormat format); | |
| 36 #define isGray(x) ( \ | |
| 37 (x)==PIX_FMT_GRAY8 \ | |
| 38 || (x)==PIX_FMT_GRAY16BE \ | |
| 39 || (x)==PIX_FMT_GRAY16LE \ | |
| 40 ) | |
| 41 #define hasChroma(x) (!( \ | |
| 42 isGray(x) \ | |
| 43 || (x)==PIX_FMT_MONOBLACK \ | |
| 44 || (x)==PIX_FMT_MONOWHITE \ | |
| 45 )) | |
| 46 #define isALPHA(x) ( \ | |
| 47 (x)==PIX_FMT_BGR32 \ | |
| 48 || (x)==PIX_FMT_BGR32_1 \ | |
| 49 || (x)==PIX_FMT_RGB32 \ | |
| 50 || (x)==PIX_FMT_RGB32_1 \ | |
| 51 || (x)==PIX_FMT_YUVA420P \ | |
| 52 ) | |
| 53 | |
| 54 static uint64_t getSSD(uint8_t *src1, uint8_t *src2, int stride1, int stride2, i
nt w, int h) | |
| 55 { | |
| 56 int x,y; | |
| 57 uint64_t ssd=0; | |
| 58 | |
| 59 //printf("%d %d\n", w, h); | |
| 60 | |
| 61 for (y=0; y<h; y++) { | |
| 62 for (x=0; x<w; x++) { | |
| 63 int d= src1[x + y*stride1] - src2[x + y*stride2]; | |
| 64 ssd+= d*d; | |
| 65 //printf("%d", abs(src1[x + y*stride1] - src2[x + y*stride2])/26 ); | |
| 66 } | |
| 67 //printf("\n"); | |
| 68 } | |
| 69 return ssd; | |
| 70 } | |
| 71 | |
| 72 // test by ref -> src -> dst -> out & compare out against ref | |
| 73 // ref & out are YV12 | |
| 74 static int doTest(uint8_t *ref[4], int refStride[4], int w, int h, | |
| 75 enum PixelFormat srcFormat, enum PixelFormat dstFormat, | |
| 76 int srcW, int srcH, int dstW, int dstH, int flags) | |
| 77 { | |
| 78 uint8_t *src[4] = {0}; | |
| 79 uint8_t *dst[4] = {0}; | |
| 80 uint8_t *out[4] = {0}; | |
| 81 int srcStride[4], dstStride[4]; | |
| 82 int i; | |
| 83 uint64_t ssdY, ssdU=0, ssdV=0, ssdA=0; | |
| 84 struct SwsContext *srcContext = NULL, *dstContext = NULL, | |
| 85 *outContext = NULL; | |
| 86 int res; | |
| 87 | |
| 88 res = 0; | |
| 89 for (i=0; i<4; i++) { | |
| 90 // avoid stride % bpp != 0 | |
| 91 if (srcFormat==PIX_FMT_RGB24 || srcFormat==PIX_FMT_BGR24) | |
| 92 srcStride[i]= srcW*3; | |
| 93 else if (srcFormat==PIX_FMT_RGB48BE || srcFormat==PIX_FMT_RGB48LE) | |
| 94 srcStride[i]= srcW*6; | |
| 95 else | |
| 96 srcStride[i]= srcW*4; | |
| 97 | |
| 98 if (dstFormat==PIX_FMT_RGB24 || dstFormat==PIX_FMT_BGR24) | |
| 99 dstStride[i]= dstW*3; | |
| 100 else if (dstFormat==PIX_FMT_RGB48BE || dstFormat==PIX_FMT_RGB48LE) | |
| 101 dstStride[i]= dstW*6; | |
| 102 else | |
| 103 dstStride[i]= dstW*4; | |
| 104 | |
| 105 /* Image buffers passed into libswscale can be allocated any way you | |
| 106 * prefer, as long as they're aligned enough for the architecture, and | |
| 107 * they're freed appropriately (such as using av_free for buffers | |
| 108 * allocated with av_malloc). */ | |
| 109 src[i]= av_malloc(srcStride[i]*srcH); | |
| 110 dst[i]= av_malloc(dstStride[i]*dstH); | |
| 111 out[i]= av_malloc(refStride[i]*h); | |
| 112 if (!src[i] || !dst[i] || !out[i]) { | |
| 113 perror("Malloc"); | |
| 114 res = -1; | |
| 115 | |
| 116 goto end; | |
| 117 } | |
| 118 } | |
| 119 | |
| 120 srcContext= sws_getContext(w, h, PIX_FMT_YUVA420P, srcW, srcH, srcFormat, fl
ags, NULL, NULL, NULL); | |
| 121 if (!srcContext) { | |
| 122 fprintf(stderr, "Failed to get %s ---> %s\n", | |
| 123 sws_format_name(PIX_FMT_YUVA420P), | |
| 124 sws_format_name(srcFormat)); | |
| 125 res = -1; | |
| 126 | |
| 127 goto end; | |
| 128 } | |
| 129 dstContext= sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, fla
gs, NULL, NULL, NULL); | |
| 130 if (!dstContext) { | |
| 131 fprintf(stderr, "Failed to get %s ---> %s\n", | |
| 132 sws_format_name(srcFormat), | |
| 133 sws_format_name(dstFormat)); | |
| 134 res = -1; | |
| 135 | |
| 136 goto end; | |
| 137 } | |
| 138 outContext= sws_getContext(dstW, dstH, dstFormat, w, h, PIX_FMT_YUVA420P, fl
ags, NULL, NULL, NULL); | |
| 139 if (!outContext) { | |
| 140 fprintf(stderr, "Failed to get %s ---> %s\n", | |
| 141 sws_format_name(dstFormat), | |
| 142 sws_format_name(PIX_FMT_YUVA420P)); | |
| 143 res = -1; | |
| 144 | |
| 145 goto end; | |
| 146 } | |
| 147 // printf("test %X %X %X -> %X %X %X\n", (int)ref[0], (int)ref[1], (int)ref[2
], | |
| 148 // (int)src[0], (int)src[1], (int)src[2]); | |
| 149 | |
| 150 sws_scale(srcContext, ref, refStride, 0, h , src, srcStride); | |
| 151 sws_scale(dstContext, src, srcStride, 0, srcH, dst, dstStride); | |
| 152 sws_scale(outContext, dst, dstStride, 0, dstH, out, refStride); | |
| 153 | |
| 154 ssdY= getSSD(ref[0], out[0], refStride[0], refStride[0], w, h); | |
| 155 if (hasChroma(srcFormat) && hasChroma(dstFormat)) { | |
| 156 //FIXME check that output is really gray | |
| 157 ssdU= getSSD(ref[1], out[1], refStride[1], refStride[1], (w+1)>>1, (h+1)
>>1); | |
| 158 ssdV= getSSD(ref[2], out[2], refStride[2], refStride[2], (w+1)>>1, (h+1)
>>1); | |
| 159 } | |
| 160 if (isALPHA(srcFormat) && isALPHA(dstFormat)) | |
| 161 ssdA= getSSD(ref[3], out[3], refStride[3], refStride[3], w, h); | |
| 162 | |
| 163 ssdY/= w*h; | |
| 164 ssdU/= w*h/4; | |
| 165 ssdV/= w*h/4; | |
| 166 ssdA/= w*h; | |
| 167 | |
| 168 printf(" %s %dx%d -> %s %4dx%4d flags=%2d SSD=%5"PRId64",%5"PRId64",%5"PRId6
4",%5"PRId64"\n", | |
| 169 sws_format_name(srcFormat), srcW, srcH, | |
| 170 sws_format_name(dstFormat), dstW, dstH, | |
| 171 flags, ssdY, ssdU, ssdV, ssdA); | |
| 172 fflush(stdout); | |
| 173 | |
| 174 end: | |
| 175 | |
| 176 sws_freeContext(srcContext); | |
| 177 sws_freeContext(dstContext); | |
| 178 sws_freeContext(outContext); | |
| 179 | |
| 180 for (i=0; i<4; i++) { | |
| 181 av_free(src[i]); | |
| 182 av_free(dst[i]); | |
| 183 av_free(out[i]); | |
| 184 } | |
| 185 | |
| 186 return res; | |
| 187 } | |
| 188 | |
| 189 static void selfTest(uint8_t *ref[4], int refStride[4], int w, int h) | |
| 190 { | |
| 191 const int flags[] = { SWS_FAST_BILINEAR, | |
| 192 SWS_BILINEAR, SWS_BICUBIC, | |
| 193 SWS_X , SWS_POINT , SWS_AREA, 0 }; | |
| 194 const int srcW = w; | |
| 195 const int srcH = h; | |
| 196 const int dstW[] = { srcW - srcW/3, srcW, srcW + srcW/3, 0 }; | |
| 197 const int dstH[] = { srcH - srcH/3, srcH, srcH + srcH/3, 0 }; | |
| 198 enum PixelFormat srcFormat, dstFormat; | |
| 199 | |
| 200 for (srcFormat = 0; srcFormat < PIX_FMT_NB; srcFormat++) { | |
| 201 if (!sws_isSupportedInput(srcFormat) || !sws_isSupportedOutput(srcFormat
)) | |
| 202 continue; | |
| 203 | |
| 204 for (dstFormat = 0; dstFormat < PIX_FMT_NB; dstFormat++) { | |
| 205 int i, j, k; | |
| 206 int res = 0; | |
| 207 | |
| 208 if (!sws_isSupportedInput(dstFormat) || !sws_isSupportedOutput(dstFo
rmat)) | |
| 209 continue; | |
| 210 | |
| 211 printf("%s -> %s\n", | |
| 212 sws_format_name(srcFormat), | |
| 213 sws_format_name(dstFormat)); | |
| 214 fflush(stdout); | |
| 215 | |
| 216 for (i = 0; dstW[i] && !res; i++) | |
| 217 for (j = 0; dstH[j] && !res; j++) | |
| 218 for (k = 0; flags[k] && !res; k++) | |
| 219 res = doTest(ref, refStride, w, h, srcFormat, dstFormat, | |
| 220 srcW, srcH, dstW[i], dstH[j], flags[k]); | |
| 221 } | |
| 222 } | |
| 223 } | |
| 224 | |
| 225 #define W 96 | |
| 226 #define H 96 | |
| 227 | |
| 228 int main(int argc, char **argv) | |
| 229 { | |
| 230 uint8_t *rgb_data = av_malloc (W*H*4); | |
| 231 uint8_t *rgb_src[3]= {rgb_data, NULL, NULL}; | |
| 232 int rgb_stride[3]={4*W, 0, 0}; | |
| 233 uint8_t *data = av_malloc (4*W*H); | |
| 234 uint8_t *src[4]= {data, data+W*H, data+W*H*2, data+W*H*3}; | |
| 235 int stride[4]={W, W, W, W}; | |
| 236 int x, y; | |
| 237 struct SwsContext *sws; | |
| 238 AVLFG rand; | |
| 239 | |
| 240 if (!rgb_data || !data) | |
| 241 return -1; | |
| 242 | |
| 243 sws= sws_getContext(W/12, H/12, PIX_FMT_RGB32, W, H, PIX_FMT_YUVA420P, SWS_B
ILINEAR, NULL, NULL, NULL); | |
| 244 | |
| 245 av_lfg_init(&rand, 1); | |
| 246 | |
| 247 for (y=0; y<H; y++) { | |
| 248 for (x=0; x<W*4; x++) { | |
| 249 rgb_data[ x + y*4*W]= av_lfg_get(&rand); | |
| 250 } | |
| 251 } | |
| 252 sws_scale(sws, rgb_src, rgb_stride, 0, H, src, stride); | |
| 253 sws_freeContext(sws); | |
| 254 av_free(rgb_data); | |
| 255 | |
| 256 selfTest(src, stride, W, H); | |
| 257 av_free(data); | |
| 258 | |
| 259 return 0; | |
| 260 } | |
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Chromium Code Reviews
Issue 789004:
ffmpeg roll of source to mar 9 version... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/ffmpeg/