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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * Copyright (C) 2003-2011 Michael Niedermayer |
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| 3 | * |
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| 4 | * This file is part of FFmpeg. |
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| 5 | * |
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| 6 | * FFmpeg is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Lesser General Public |
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| 8 | * License as published by the Free Software Foundation; either |
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| 9 | * version 2.1 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * FFmpeg is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Lesser General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Lesser General Public |
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| 17 | * License along with FFmpeg; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 19 | */ |
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| 20 | |||
| 21 | #include |
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| 22 | #include |
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| 23 | #include |
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| 24 | #include |
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| 25 | #include |
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| 26 | |||
| 27 | #undef HAVE_AV_CONFIG_H |
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| 28 | #include "libavutil/imgutils.h" |
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| 29 | #include "libavutil/mem.h" |
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| 30 | #include "libavutil/avutil.h" |
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| 31 | #include "libavutil/crc.h" |
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| 32 | #include "libavutil/pixdesc.h" |
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| 33 | #include "libavutil/lfg.h" |
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| 34 | #include "swscale.h" |
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| 35 | |||
| 36 | /* HACK Duplicated from swscale_internal.h. |
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| 37 | * Should be removed when a cleaner pixel format system exists. */ |
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| 38 | #define isGray(x) \ |
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| 39 | ((x) == AV_PIX_FMT_GRAY8 || \ |
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| 40 | (x) == AV_PIX_FMT_Y400A || \ |
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| 41 | (x) == AV_PIX_FMT_GRAY16BE || \ |
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| 42 | (x) == AV_PIX_FMT_GRAY16LE) |
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| 43 | #define hasChroma(x) \ |
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| 44 | (!(isGray(x) || \ |
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| 45 | (x) == AV_PIX_FMT_MONOBLACK || \ |
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| 46 | (x) == AV_PIX_FMT_MONOWHITE)) |
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| 47 | #define isALPHA(x) \ |
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| 48 | ((x) == AV_PIX_FMT_BGR32 || \ |
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| 49 | (x) == AV_PIX_FMT_BGR32_1 || \ |
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| 50 | (x) == AV_PIX_FMT_RGB32 || \ |
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| 51 | (x) == AV_PIX_FMT_RGB32_1 || \ |
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| 52 | (x) == AV_PIX_FMT_YUVA420P) |
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| 53 | |||
| 54 | static uint64_t getSSD(const uint8_t *src1, const uint8_t *src2, int stride1, |
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| 55 | int stride2, int w, int h) |
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| 56 | { |
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| 57 | int x, y; |
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| 58 | uint64_t ssd = 0; |
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| 59 | |||
| 60 | for (y = 0; y < h; y++) { |
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| 61 | for (x = 0; x < w; x++) { |
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| 62 | int d = src1[x + y * stride1] - src2[x + y * stride2]; |
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| 63 | ssd += d * d; |
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| 64 | } |
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| 65 | } |
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| 66 | return ssd; |
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| 67 | } |
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| 68 | |||
| 69 | struct Results { |
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| 70 | uint64_t ssdY; |
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| 71 | uint64_t ssdU; |
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| 72 | uint64_t ssdV; |
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| 73 | uint64_t ssdA; |
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| 74 | uint32_t crc; |
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| 75 | }; |
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| 76 | |||
| 77 | // test by ref -> src -> dst -> out & compare out against ref |
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| 78 | // ref & out are YV12 |
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| 79 | static int doTest(uint8_t *ref[4], int refStride[4], int w, int h, |
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| 80 | enum AVPixelFormat srcFormat, enum AVPixelFormat dstFormat, |
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| 81 | int srcW, int srcH, int dstW, int dstH, int flags, |
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| 82 | struct Results *r) |
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| 83 | { |
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| 84 | const AVPixFmtDescriptor *desc_yuva420p = av_pix_fmt_desc_get(AV_PIX_FMT_YUVA420P); |
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| 85 | const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(srcFormat); |
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| 86 | const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(dstFormat); |
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| 87 | static enum AVPixelFormat cur_srcFormat; |
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| 88 | static int cur_srcW, cur_srcH; |
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| 89 | static uint8_t *src[4]; |
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| 90 | static int srcStride[4]; |
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| 91 | uint8_t *dst[4] = { 0 }; |
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| 92 | uint8_t *out[4] = { 0 }; |
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| 93 | int dstStride[4] = {0}; |
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| 94 | int i; |
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| 95 | uint64_t ssdY, ssdU = 0, ssdV = 0, ssdA = 0; |
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| 96 | struct SwsContext *dstContext = NULL, *outContext = NULL; |
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| 97 | uint32_t crc = 0; |
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| 98 | int res = 0; |
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| 99 | |||
| 100 | if (cur_srcFormat != srcFormat || cur_srcW != srcW || cur_srcH != srcH) { |
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| 101 | struct SwsContext *srcContext = NULL; |
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| 102 | int p; |
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| 103 | |||
| 104 | for (p = 0; p < 4; p++) |
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| 105 | av_freep(&src[p]); |
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| 106 | |||
| 107 | av_image_fill_linesizes(srcStride, srcFormat, srcW); |
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| 108 | for (p = 0; p < 4; p++) { |
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| 109 | srcStride[p] = FFALIGN(srcStride[p], 16); |
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| 110 | if (srcStride[p]) |
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| 111 | src[p] = av_mallocz(srcStride[p] * srcH + 16); |
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| 112 | if (srcStride[p] && !src[p]) { |
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| 113 | perror("Malloc"); |
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| 114 | res = -1; |
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| 115 | goto end; |
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| 116 | } |
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| 117 | } |
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| 118 | srcContext = sws_getContext(w, h, AV_PIX_FMT_YUVA420P, srcW, srcH, |
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| 119 | srcFormat, SWS_BILINEAR, NULL, NULL, NULL); |
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| 120 | if (!srcContext) { |
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| 121 | fprintf(stderr, "Failed to get %s ---> %s\n", |
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| 122 | desc_yuva420p->name, |
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| 123 | desc_src->name); |
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| 124 | res = -1; |
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| 125 | goto end; |
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| 126 | } |
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| 127 | sws_scale(srcContext, (const uint8_t * const*)ref, refStride, 0, h, src, srcStride); |
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| 128 | sws_freeContext(srcContext); |
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| 129 | |||
| 130 | cur_srcFormat = srcFormat; |
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| 131 | cur_srcW = srcW; |
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| 132 | cur_srcH = srcH; |
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| 133 | } |
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| 134 | |||
| 135 | av_image_fill_linesizes(dstStride, dstFormat, dstW); |
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| 136 | for (i = 0; i < 4; i++) { |
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| 137 | /* Image buffers passed into libswscale can be allocated any way you |
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| 138 | * prefer, as long as they're aligned enough for the architecture, and |
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| 139 | * they're freed appropriately (such as using av_free for buffers |
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| 140 | * allocated with av_malloc). */ |
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| 141 | /* An extra 16 bytes is being allocated because some scalers may write |
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| 142 | * out of bounds. */ |
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| 143 | dstStride[i] = FFALIGN(dstStride[i], 16); |
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| 144 | if (dstStride[i]) |
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| 145 | dst[i] = av_mallocz(dstStride[i] * dstH + 16); |
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| 146 | if (dstStride[i] && !dst[i]) { |
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| 147 | perror("Malloc"); |
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| 148 | res = -1; |
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| 149 | |||
| 150 | goto end; |
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| 151 | } |
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| 152 | } |
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| 153 | |||
| 154 | dstContext = sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, |
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| 155 | flags, NULL, NULL, NULL); |
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| 156 | if (!dstContext) { |
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| 157 | fprintf(stderr, "Failed to get %s ---> %s\n", |
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| 158 | desc_src->name, desc_dst->name); |
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| 159 | res = -1; |
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| 160 | goto end; |
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| 161 | } |
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| 162 | |||
| 163 | printf(" %s %dx%d -> %s %3dx%3d flags=%2d", |
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| 164 | desc_src->name, srcW, srcH, |
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| 165 | desc_dst->name, dstW, dstH, |
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| 166 | flags); |
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| 167 | fflush(stdout); |
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| 168 | |||
| 169 | sws_scale(dstContext, (const uint8_t * const*)src, srcStride, 0, srcH, dst, dstStride); |
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| 170 | |||
| 171 | for (i = 0; i < 4 && dstStride[i]; i++) |
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| 172 | crc = av_crc(av_crc_get_table(AV_CRC_32_IEEE), crc, dst[i], |
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| 173 | dstStride[i] * dstH); |
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| 174 | |||
| 175 | if (r && crc == r->crc) { |
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| 176 | ssdY = r->ssdY; |
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| 177 | ssdU = r->ssdU; |
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| 178 | ssdV = r->ssdV; |
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| 179 | ssdA = r->ssdA; |
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| 180 | } else { |
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| 181 | for (i = 0; i < 4; i++) { |
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| 182 | refStride[i] = FFALIGN(refStride[i], 16); |
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| 183 | if (refStride[i]) |
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| 184 | out[i] = av_mallocz(refStride[i] * h); |
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| 185 | if (refStride[i] && !out[i]) { |
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| 186 | perror("Malloc"); |
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| 187 | res = -1; |
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| 188 | goto end; |
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| 189 | } |
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| 190 | } |
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| 191 | outContext = sws_getContext(dstW, dstH, dstFormat, w, h, |
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| 192 | AV_PIX_FMT_YUVA420P, SWS_BILINEAR, |
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| 193 | NULL, NULL, NULL); |
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| 194 | if (!outContext) { |
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| 195 | fprintf(stderr, "Failed to get %s ---> %s\n", |
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| 196 | desc_dst->name, |
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| 197 | desc_yuva420p->name); |
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| 198 | res = -1; |
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| 199 | goto end; |
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| 200 | } |
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| 201 | sws_scale(outContext, (const uint8_t * const*)dst, dstStride, 0, dstH, out, refStride); |
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| 202 | |||
| 203 | ssdY = getSSD(ref[0], out[0], refStride[0], refStride[0], w, h); |
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| 204 | if (hasChroma(srcFormat) && hasChroma(dstFormat)) { |
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| 205 | //FIXME check that output is really gray |
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| 206 | ssdU = getSSD(ref[1], out[1], refStride[1], refStride[1], |
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| 207 | (w + 1) >> 1, (h + 1) >> 1); |
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| 208 | ssdV = getSSD(ref[2], out[2], refStride[2], refStride[2], |
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| 209 | (w + 1) >> 1, (h + 1) >> 1); |
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| 210 | } |
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| 211 | if (isALPHA(srcFormat) && isALPHA(dstFormat)) |
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| 212 | ssdA = getSSD(ref[3], out[3], refStride[3], refStride[3], w, h); |
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| 213 | |||
| 214 | ssdY /= w * h; |
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| 215 | ssdU /= w * h / 4; |
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| 216 | ssdV /= w * h / 4; |
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| 217 | ssdA /= w * h; |
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| 218 | |||
| 219 | sws_freeContext(outContext); |
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| 220 | |||
| 221 | for (i = 0; i < 4; i++) |
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| 222 | if (refStride[i]) |
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| 223 | av_free(out[i]); |
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| 224 | } |
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| 225 | |||
| 226 | printf(" CRC=%08x SSD=%5"PRId64 ",%5"PRId64 ",%5"PRId64 ",%5"PRId64 "\n", |
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| 227 | crc, ssdY, ssdU, ssdV, ssdA); |
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| 228 | |||
| 229 | end: |
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| 230 | sws_freeContext(dstContext); |
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| 231 | |||
| 232 | for (i = 0; i < 4; i++) |
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| 233 | if (dstStride[i]) |
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| 234 | av_free(dst[i]); |
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| 235 | |||
| 236 | return res; |
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| 237 | } |
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| 238 | |||
| 239 | static void selfTest(uint8_t *ref[4], int refStride[4], int w, int h, |
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| 240 | enum AVPixelFormat srcFormat_in, |
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| 241 | enum AVPixelFormat dstFormat_in) |
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| 242 | { |
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| 243 | const int flags[] = { SWS_FAST_BILINEAR, SWS_BILINEAR, SWS_BICUBIC, |
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| 244 | SWS_X, SWS_POINT, SWS_AREA, 0 }; |
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| 245 | const int srcW = w; |
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| 246 | const int srcH = h; |
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| 247 | const int dstW[] = { srcW - srcW / 3, srcW, srcW + srcW / 3, 0 }; |
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| 248 | const int dstH[] = { srcH - srcH / 3, srcH, srcH + srcH / 3, 0 }; |
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| 249 | enum AVPixelFormat srcFormat, dstFormat; |
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| 250 | const AVPixFmtDescriptor *desc_src, *desc_dst; |
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| 251 | |||
| 252 | for (srcFormat = srcFormat_in != AV_PIX_FMT_NONE ? srcFormat_in : 0; |
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| 253 | srcFormat < AV_PIX_FMT_NB; srcFormat++) { |
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| 254 | if (!sws_isSupportedInput(srcFormat) || |
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| 255 | !sws_isSupportedOutput(srcFormat)) |
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| 256 | continue; |
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| 257 | |||
| 258 | desc_src = av_pix_fmt_desc_get(srcFormat); |
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| 259 | |||
| 260 | for (dstFormat = dstFormat_in != AV_PIX_FMT_NONE ? dstFormat_in : 0; |
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| 261 | dstFormat < AV_PIX_FMT_NB; dstFormat++) { |
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| 262 | int i, j, k; |
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| 263 | int res = 0; |
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| 264 | |||
| 265 | if (!sws_isSupportedInput(dstFormat) || |
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| 266 | !sws_isSupportedOutput(dstFormat)) |
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| 267 | continue; |
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| 268 | |||
| 269 | desc_dst = av_pix_fmt_desc_get(dstFormat); |
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| 270 | |||
| 271 | printf("%s -> %s\n", desc_src->name, desc_dst->name); |
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| 272 | fflush(stdout); |
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| 273 | |||
| 274 | for (k = 0; flags[k] && !res; k++) |
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| 275 | for (i = 0; dstW[i] && !res; i++) |
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| 276 | for (j = 0; dstH[j] && !res; j++) |
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| 277 | res = doTest(ref, refStride, w, h, |
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| 278 | srcFormat, dstFormat, |
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| 279 | srcW, srcH, dstW[i], dstH[j], flags[k], |
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| 280 | NULL); |
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| 281 | if (dstFormat_in != AV_PIX_FMT_NONE) |
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| 282 | break; |
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| 283 | } |
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| 284 | if (srcFormat_in != AV_PIX_FMT_NONE) |
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| 285 | break; |
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| 286 | } |
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| 287 | } |
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| 288 | |||
| 289 | static int fileTest(uint8_t *ref[4], int refStride[4], int w, int h, FILE *fp, |
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| 290 | enum AVPixelFormat srcFormat_in, |
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| 291 | enum AVPixelFormat dstFormat_in) |
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| 292 | { |
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| 293 | char buf[256]; |
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| 294 | |||
| 295 | while (fgets(buf, sizeof(buf), fp)) { |
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| 296 | struct Results r; |
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| 297 | enum AVPixelFormat srcFormat; |
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| 298 | char srcStr[12]; |
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| 299 | int srcW, srcH; |
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| 300 | enum AVPixelFormat dstFormat; |
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| 301 | char dstStr[12]; |
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| 302 | int dstW, dstH; |
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| 303 | int flags; |
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| 304 | int ret; |
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| 305 | |||
| 306 | ret = sscanf(buf, |
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| 307 | " %12s %dx%d -> %12s %dx%d flags=%d CRC=%x" |
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| 308 | " SSD=%"SCNd64 ", %"SCNd64 ", %"SCNd64 ", %"SCNd64 "\n", |
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| 309 | srcStr, &srcW, &srcH, dstStr, &dstW, &dstH, |
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| 310 | &flags, &r.crc, &r.ssdY, &r.ssdU, &r.ssdV, &r.ssdA); |
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| 311 | if (ret != 12) { |
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| 312 | srcStr[0] = dstStr[0] = 0; |
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| 313 | ret = sscanf(buf, "%12s -> %12s\n", srcStr, dstStr); |
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| 314 | } |
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| 315 | |||
| 316 | srcFormat = av_get_pix_fmt(srcStr); |
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| 317 | dstFormat = av_get_pix_fmt(dstStr); |
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| 318 | |||
| 319 | if (srcFormat == AV_PIX_FMT_NONE || dstFormat == AV_PIX_FMT_NONE || |
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| 320 | srcW > 8192U || srcH > 8192U || dstW > 8192U || dstH > 8192U) { |
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| 321 | fprintf(stderr, "malformed input file\n"); |
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| 322 | return -1; |
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| 323 | } |
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| 324 | if ((srcFormat_in != AV_PIX_FMT_NONE && srcFormat_in != srcFormat) || |
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| 325 | (dstFormat_in != AV_PIX_FMT_NONE && dstFormat_in != dstFormat)) |
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| 326 | continue; |
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| 327 | if (ret != 12) { |
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| 328 | printf("%s", buf); |
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| 329 | continue; |
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| 330 | } |
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| 331 | |||
| 332 | doTest(ref, refStride, w, h, |
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| 333 | srcFormat, dstFormat, |
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| 334 | srcW, srcH, dstW, dstH, flags, |
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| 335 | &r); |
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| 336 | } |
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| 337 | |||
| 338 | return 0; |
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| 339 | } |
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| 340 | |||
| 341 | #define W 96 |
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| 342 | #define H 96 |
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| 343 | |||
| 344 | int main(int argc, char **argv) |
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| 345 | { |
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| 346 | enum AVPixelFormat srcFormat = AV_PIX_FMT_NONE; |
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| 347 | enum AVPixelFormat dstFormat = AV_PIX_FMT_NONE; |
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| 348 | uint8_t *rgb_data = av_malloc(W * H * 4); |
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| 349 | const uint8_t * const rgb_src[4] = { rgb_data, NULL, NULL, NULL }; |
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| 350 | int rgb_stride[4] = { 4 * W, 0, 0, 0 }; |
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| 351 | uint8_t *data = av_malloc(4 * W * H); |
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| 352 | uint8_t *src[4] = { data, data + W * H, data + W * H * 2, data + W * H * 3 }; |
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| 353 | int stride[4] = { W, W, W, W }; |
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| 354 | int x, y; |
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| 355 | struct SwsContext *sws; |
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| 356 | AVLFG rand; |
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| 357 | int res = -1; |
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| 358 | int i; |
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| 359 | FILE *fp = NULL; |
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| 360 | |||
| 361 | if (!rgb_data || !data) |
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| 362 | return -1; |
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| 363 | |||
| 364 | for (i = 1; i < argc; i += 2) { |
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| 365 | if (argv[i][0] != '-' || i + 1 == argc) |
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| 366 | goto bad_option; |
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| 367 | if (!strcmp(argv[i], "-ref")) { |
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| 368 | fp = fopen(argv[i + 1], "r"); |
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| 369 | if (!fp) { |
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| 370 | fprintf(stderr, "could not open '%s'\n", argv[i + 1]); |
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| 371 | goto error; |
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| 372 | } |
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| 373 | } else if (!strcmp(argv[i], "-src")) { |
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| 374 | srcFormat = av_get_pix_fmt(argv[i + 1]); |
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| 375 | if (srcFormat == AV_PIX_FMT_NONE) { |
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| 376 | fprintf(stderr, "invalid pixel format %s\n", argv[i + 1]); |
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| 377 | return -1; |
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| 378 | } |
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| 379 | } else if (!strcmp(argv[i], "-dst")) { |
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| 380 | dstFormat = av_get_pix_fmt(argv[i + 1]); |
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| 381 | if (dstFormat == AV_PIX_FMT_NONE) { |
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| 382 | fprintf(stderr, "invalid pixel format %s\n", argv[i + 1]); |
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| 383 | return -1; |
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| 384 | } |
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| 385 | } else { |
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| 386 | bad_option: |
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| 387 | fprintf(stderr, "bad option or argument missing (%s)\n", argv[i]); |
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| 388 | goto error; |
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| 389 | } |
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| 390 | } |
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| 391 | |||
| 392 | sws = sws_getContext(W / 12, H / 12, AV_PIX_FMT_RGB32, W, H, |
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| 393 | AV_PIX_FMT_YUVA420P, SWS_BILINEAR, NULL, NULL, NULL); |
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| 394 | |||
| 395 | av_lfg_init(&rand, 1); |
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| 396 | |||
| 397 | for (y = 0; y < H; y++) |
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| 398 | for (x = 0; x < W * 4; x++) |
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| 399 | rgb_data[ x + y * 4 * W] = av_lfg_get(&rand); |
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| 400 | sws_scale(sws, rgb_src, rgb_stride, 0, H, src, stride); |
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| 401 | sws_freeContext(sws); |
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| 402 | av_free(rgb_data); |
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| 403 | |||
| 404 | if(fp) { |
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| 405 | res = fileTest(src, stride, W, H, fp, srcFormat, dstFormat); |
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| 406 | fclose(fp); |
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| 407 | } else { |
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| 408 | selfTest(src, stride, W, H, srcFormat, dstFormat); |
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| 409 | res = 0; |
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| 410 | } |
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| 411 | error: |
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| 412 | av_free(data); |
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| 413 | |||
| 414 | return res; |
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| 415 | } |