| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (c) 2002 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 modify | ||
| 7 | * it under the terms of the GNU General Public License as published by | ||
| 8 | * the Free Software Foundation; either version 2 of the License, or | ||
| 9 | * (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 | ||
| 14 | * GNU General Public License for more details. | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU General Public License along | ||
| 17 | * with FFmpeg; if not, write to the Free Software Foundation, Inc., | ||
| 18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 19 | */ | ||
| 20 | |||
| 21 | /** | ||
| 22 | * @file | ||
| 23 | * MP test source, ported from MPlayer libmpcodecs/vf_test.c | ||
| 24 | */ | ||
| 25 | |||
| 26 | #include "libavutil/opt.h" | ||
| 27 | #include "libavutil/pixdesc.h" | ||
| 28 | #include "avfilter.h" | ||
| 29 | #include "filters.h" | ||
| 30 | #include "video.h" | ||
| 31 | |||
| 32 | #define WIDTH 512 | ||
| 33 | #define HEIGHT 512 | ||
| 34 | |||
| 35 | enum test_type { | ||
| 36 | TEST_DC_LUMA, | ||
| 37 | TEST_DC_CHROMA, | ||
| 38 | TEST_FREQ_LUMA, | ||
| 39 | TEST_FREQ_CHROMA, | ||
| 40 | TEST_AMP_LUMA, | ||
| 41 | TEST_AMP_CHROMA, | ||
| 42 | TEST_CBP, | ||
| 43 | TEST_MV, | ||
| 44 | TEST_RING1, | ||
| 45 | TEST_RING2, | ||
| 46 | TEST_ALL, | ||
| 47 | TEST_NB | ||
| 48 | }; | ||
| 49 | |||
| 50 | typedef struct MPTestContext { | ||
| 51 | const AVClass *class; | ||
| 52 | AVRational frame_rate; | ||
| 53 | int64_t pts, max_pts, duration; | ||
| 54 | int64_t max_frames; | ||
| 55 | int hsub, vsub; | ||
| 56 | int test; ///< test_type | ||
| 57 | } MPTestContext; | ||
| 58 | |||
| 59 | #define OFFSET(x) offsetof(MPTestContext, x) | ||
| 60 | #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM | ||
| 61 | static const AVOption mptestsrc_options[]= { | ||
| 62 | { "rate", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, FLAGS }, | ||
| 63 | { "r", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, FLAGS }, | ||
| 64 | { "duration", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS }, | ||
| 65 | { "d", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS }, | ||
| 66 | |||
| 67 | { "test", "set test to perform", OFFSET(test), AV_OPT_TYPE_INT, {.i64=TEST_ALL}, 0, INT_MAX, FLAGS, .unit = "test" }, | ||
| 68 | { "t", "set test to perform", OFFSET(test), AV_OPT_TYPE_INT, {.i64=TEST_ALL}, 0, INT_MAX, FLAGS, .unit = "test" }, | ||
| 69 | { "dc_luma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_DC_LUMA}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, | ||
| 70 | { "dc_chroma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_DC_CHROMA}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, | ||
| 71 | { "freq_luma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_FREQ_LUMA}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, | ||
| 72 | { "freq_chroma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_FREQ_CHROMA}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, | ||
| 73 | { "amp_luma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_AMP_LUMA}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, | ||
| 74 | { "amp_chroma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_AMP_CHROMA}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, | ||
| 75 | { "cbp", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_CBP}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, | ||
| 76 | { "mv", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_MV}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, | ||
| 77 | { "ring1", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_RING1}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, | ||
| 78 | { "ring2", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_RING2}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, | ||
| 79 | { "all", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_ALL}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, | ||
| 80 | { "max_frames", "Set the maximum number of frames generated for each test", OFFSET(max_frames), | ||
| 81 | AV_OPT_TYPE_INT64, {.i64 = 30}, 1, INT64_MAX, FLAGS }, | ||
| 82 | { "m", "Set the maximum number of frames generated for each test", OFFSET(max_frames), | ||
| 83 | AV_OPT_TYPE_INT64, {.i64 = 30}, 1, INT64_MAX, FLAGS }, | ||
| 84 | { NULL } | ||
| 85 | }; | ||
| 86 | |||
| 87 | AVFILTER_DEFINE_CLASS(mptestsrc); | ||
| 88 | |||
| 89 | static double c[64]; | ||
| 90 | |||
| 91 | 1 | static void init_idct(void) | |
| 92 | { | ||
| 93 | int i, j; | ||
| 94 | |||
| 95 |
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9 | for (i = 0; i < 8; i++) { |
| 96 |
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8 | double s = i == 0 ? sqrt(0.125) : 0.5; |
| 97 | |||
| 98 |
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72 | for (j = 0; j < 8; j++) |
| 99 | 64 | c[i*8+j] = s*cos((M_PI/8.0)*i*(j+0.5)); | |
| 100 | } | ||
| 101 | 1 | } | |
| 102 | |||
| 103 | 18176 | static void idct(uint8_t *dst, int dst_linesize, int src[64]) | |
| 104 | { | ||
| 105 | int i, j, k; | ||
| 106 | double tmp[64]; | ||
| 107 | |||
| 108 |
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| 109 |
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| 110 | 1163264 | double sum = 0.0; | |
| 111 | |||
| 112 |
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| 113 | 9306112 | sum += c[k*8+j] * src[8*i+k]; | |
| 114 | |||
| 115 | 1163264 | tmp[8*i+j] = sum; | |
| 116 | } | ||
| 117 | } | ||
| 118 | |||
| 119 |
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| 120 |
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| 121 | 1163264 | double sum = 0.0; | |
| 122 | |||
| 123 |
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| 124 | 9306112 | sum += c[k*8+i]*tmp[8*k+j]; | |
| 125 | |||
| 126 | 1163264 | dst[dst_linesize*i + j] = av_clip_uint8(lrint(sum)); | |
| 127 | } | ||
| 128 | } | ||
| 129 | 18176 | } | |
| 130 | |||
| 131 | 25600 | static void draw_dc(uint8_t *dst, int dst_linesize, int color, int w, int h) | |
| 132 | { | ||
| 133 | int x, y; | ||
| 134 | |||
| 135 |
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230400 | for (y = 0; y < h; y++) |
| 136 |
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| 137 | 1638400 | dst[x + y*dst_linesize] = color; | |
| 138 | 25600 | } | |
| 139 | |||
| 140 | 18176 | static void draw_basis(uint8_t *dst, int dst_linesize, int amp, int freq, int dc) | |
| 141 | { | ||
| 142 | int src[64]; | ||
| 143 | |||
| 144 | 18176 | memset(src, 0, 64*sizeof(int)); | |
| 145 | 18176 | src[0] = dc; | |
| 146 |
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18176 | if (amp) |
| 147 | 18176 | src[freq] = amp; | |
| 148 | 18176 | idct(dst, dst_linesize, src); | |
| 149 | 18176 | } | |
| 150 | |||
| 151 | ✗ | static void draw_cbp(uint8_t *dst[3], int dst_linesize[3], int cbp, int amp, int dc) | |
| 152 | { | ||
| 153 | ✗ | if (cbp&1) draw_basis(dst[0] , dst_linesize[0], amp, 1, dc); | |
| 154 | ✗ | if (cbp&2) draw_basis(dst[0]+8 , dst_linesize[0], amp, 1, dc); | |
| 155 | ✗ | if (cbp&4) draw_basis(dst[0]+ 8*dst_linesize[0], dst_linesize[0], amp, 1, dc); | |
| 156 | ✗ | if (cbp&8) draw_basis(dst[0]+8+8*dst_linesize[0], dst_linesize[0], amp, 1, dc); | |
| 157 | ✗ | if (cbp&16) draw_basis(dst[1] , dst_linesize[1], amp, 1, dc); | |
| 158 | ✗ | if (cbp&32) draw_basis(dst[2] , dst_linesize[2], amp, 1, dc); | |
| 159 | ✗ | } | |
| 160 | |||
| 161 | 100 | static void dc_test(uint8_t *dst, int dst_linesize, int w, int h, int off) | |
| 162 | { | ||
| 163 | 100 | const int step = FFMAX(256/(w*h/256), 1); | |
| 164 | 100 | int x, y, color = off; | |
| 165 | |||
| 166 |
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1700 | for (y = 0; y < h; y += 16) { |
| 167 |
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| 168 | 25600 | draw_dc(dst + x + y*dst_linesize, dst_linesize, color, 8, 8); | |
| 169 | 25600 | color += step; | |
| 170 | } | ||
| 171 | } | ||
| 172 | 100 | } | |
| 173 | |||
| 174 | 100 | static void freq_test(uint8_t *dst, int dst_linesize, int off) | |
| 175 | { | ||
| 176 | 100 | int x, y, freq = 0; | |
| 177 | |||
| 178 |
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900 | for (y = 0; y < 8*16; y += 16) { |
| 179 |
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| 180 | 6400 | draw_basis(dst + x + y*dst_linesize, dst_linesize, 4*(96+off), freq, 128*8); | |
| 181 | 6400 | freq++; | |
| 182 | } | ||
| 183 | } | ||
| 184 | 100 | } | |
| 185 | |||
| 186 | 46 | static void amp_test(uint8_t *dst, int dst_linesize, int off) | |
| 187 | { | ||
| 188 | 46 | int x, y, amp = off; | |
| 189 | |||
| 190 |
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782 | for (y = 0; y < 16*16; y += 16) { |
| 191 |
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| 192 | 11776 | draw_basis(dst + x + y*dst_linesize, dst_linesize, 4*amp, 1, 128*8); | |
| 193 | 11776 | amp++; | |
| 194 | } | ||
| 195 | } | ||
| 196 | 46 | } | |
| 197 | |||
| 198 | ✗ | static void cbp_test(uint8_t *dst[3], int dst_linesize[3], int off) | |
| 199 | { | ||
| 200 | ✗ | int x, y, cbp = 0; | |
| 201 | |||
| 202 | ✗ | for (y = 0; y < 16*8; y += 16) { | |
| 203 | ✗ | for (x = 0; x < 16*8; x += 16) { | |
| 204 | uint8_t *dst1[3]; | ||
| 205 | ✗ | dst1[0] = dst[0] + x*2 + y*2*dst_linesize[0]; | |
| 206 | ✗ | dst1[1] = dst[1] + x + y* dst_linesize[1]; | |
| 207 | ✗ | dst1[2] = dst[2] + x + y* dst_linesize[2]; | |
| 208 | |||
| 209 | ✗ | draw_cbp(dst1, dst_linesize, cbp, (64+off)*4, 128*8); | |
| 210 | ✗ | cbp++; | |
| 211 | } | ||
| 212 | } | ||
| 213 | ✗ | } | |
| 214 | |||
| 215 | ✗ | static void mv_test(uint8_t *dst, int dst_linesize, int off) | |
| 216 | { | ||
| 217 | int x, y; | ||
| 218 | |||
| 219 | ✗ | for (y = 0; y < 16*16; y++) { | |
| 220 | ✗ | if (y&16) | |
| 221 | ✗ | continue; | |
| 222 | ✗ | for (x = 0; x < 16*16; x++) | |
| 223 | ✗ | dst[x + y*dst_linesize] = x + off*8/(y/32+1); | |
| 224 | } | ||
| 225 | ✗ | } | |
| 226 | |||
| 227 | ✗ | static void ring1_test(uint8_t *dst, int dst_linesize, int off) | |
| 228 | { | ||
| 229 | ✗ | int x, y, color = 0; | |
| 230 | |||
| 231 | ✗ | for (y = off; y < 16*16; y += 16) { | |
| 232 | ✗ | for (x = off; x < 16*16; x += 16) { | |
| 233 | ✗ | draw_dc(dst + x + y*dst_linesize, dst_linesize, ((x+y)&16) ? color : -color, 16, 16); | |
| 234 | ✗ | color++; | |
| 235 | } | ||
| 236 | } | ||
| 237 | ✗ | } | |
| 238 | |||
| 239 | ✗ | static void ring2_test(uint8_t *dst, int dst_linesize, int off) | |
| 240 | { | ||
| 241 | int x, y; | ||
| 242 | |||
| 243 | ✗ | for (y = 0; y < 16*16; y++) { | |
| 244 | ✗ | for (x = 0; x < 16*16; x++) { | |
| 245 | ✗ | double d = hypot(x-8*16, y-8*16); | |
| 246 | ✗ | double r = d/20 - (int)(d/20); | |
| 247 | ✗ | if (r < off/30.0) { | |
| 248 | ✗ | dst[x + y*dst_linesize] = 255; | |
| 249 | ✗ | dst[x + y*dst_linesize+256] = 0; | |
| 250 | } else { | ||
| 251 | ✗ | dst[x + y*dst_linesize] = x; | |
| 252 | ✗ | dst[x + y*dst_linesize+256] = x; | |
| 253 | } | ||
| 254 | } | ||
| 255 | } | ||
| 256 | ✗ | } | |
| 257 | |||
| 258 | 1 | static av_cold int init(AVFilterContext *ctx) | |
| 259 | { | ||
| 260 | 1 | MPTestContext *test = ctx->priv; | |
| 261 | |||
| 262 | 2 | test->max_pts = test->duration >= 0 ? | |
| 263 |
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1 | av_rescale_q(test->duration, AV_TIME_BASE_Q, av_inv_q(test->frame_rate)) : -1; |
| 264 | 1 | test->pts = 0; | |
| 265 | |||
| 266 | 1 | av_log(ctx, AV_LOG_VERBOSE, "rate:%d/%d duration:%f\n", | |
| 267 | test->frame_rate.num, test->frame_rate.den, | ||
| 268 |
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1 | test->duration < 0 ? -1 : test->max_pts * av_q2d(av_inv_q(test->frame_rate))); |
| 269 | 1 | init_idct(); | |
| 270 | |||
| 271 | 1 | return 0; | |
| 272 | } | ||
| 273 | |||
| 274 | 1 | static int config_props(AVFilterLink *outlink) | |
| 275 | { | ||
| 276 | 1 | AVFilterContext *ctx = outlink->src; | |
| 277 | 1 | FilterLink *l = ff_filter_link(outlink); | |
| 278 | 1 | MPTestContext *test = ctx->priv; | |
| 279 | 1 | const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(outlink->format); | |
| 280 | |||
| 281 | 1 | test->hsub = pix_desc->log2_chroma_w; | |
| 282 | 1 | test->vsub = pix_desc->log2_chroma_h; | |
| 283 | |||
| 284 | 1 | outlink->w = WIDTH; | |
| 285 | 1 | outlink->h = HEIGHT; | |
| 286 | 1 | outlink->time_base = av_inv_q(test->frame_rate); | |
| 287 | 1 | l->frame_rate = test->frame_rate; | |
| 288 | |||
| 289 | 1 | return 0; | |
| 290 | } | ||
| 291 | |||
| 292 | 252 | static int request_frame(AVFilterLink *outlink) | |
| 293 | { | ||
| 294 | 252 | FilterLink *outl = ff_filter_link(outlink); | |
| 295 | 252 | MPTestContext *test = outlink->src->priv; | |
| 296 | AVFrame *picref; | ||
| 297 | 252 | int w = WIDTH, h = HEIGHT, | |
| 298 | 252 | cw = AV_CEIL_RSHIFT(w, test->hsub), ch = AV_CEIL_RSHIFT(h, test->vsub); | |
| 299 | 252 | uint64_t frame = outl->frame_count_in / test->max_frames; | |
| 300 | 252 | uint64_t mod = outl->frame_count_in % test->max_frames; | |
| 301 | 252 | enum test_type tt = test->test; | |
| 302 | int i; | ||
| 303 | |||
| 304 |
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252 | if (test->max_pts >= 0 && test->pts > test->max_pts) |
| 305 | 1 | return AVERROR_EOF; | |
| 306 | 251 | picref = ff_get_video_buffer(outlink, w, h); | |
| 307 |
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251 | if (!picref) |
| 308 | ✗ | return AVERROR(ENOMEM); | |
| 309 | 251 | picref->pts = test->pts++; | |
| 310 | 251 | picref->duration = 1; | |
| 311 | |||
| 312 | // clean image | ||
| 313 |
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| 314 | 128512 | memset(picref->data[0] + i*picref->linesize[0], 0, w); | |
| 315 |
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| 316 | 64256 | memset(picref->data[1] + i*picref->linesize[1], 128, cw); | |
| 317 | 64256 | memset(picref->data[2] + i*picref->linesize[2], 128, cw); | |
| 318 | } | ||
| 319 | |||
| 320 |
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251 | if (tt == TEST_ALL && mod) /* draw a black frame at the beginning of each test */ |
| 321 | 246 | tt = frame%(TEST_NB-1); | |
| 322 | |||
| 323 |
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251 | switch (tt) { |
| 324 | 50 | case TEST_DC_LUMA: dc_test(picref->data[0], picref->linesize[0], 256, 256, mod); break; | |
| 325 | 50 | case TEST_DC_CHROMA: dc_test(picref->data[1], picref->linesize[1], 256, 256, mod); break; | |
| 326 | 50 | case TEST_FREQ_LUMA: freq_test(picref->data[0], picref->linesize[0], mod); break; | |
| 327 | 50 | case TEST_FREQ_CHROMA: freq_test(picref->data[1], picref->linesize[1], mod); break; | |
| 328 | 46 | case TEST_AMP_LUMA: amp_test(picref->data[0], picref->linesize[0], mod); break; | |
| 329 | ✗ | case TEST_AMP_CHROMA: amp_test(picref->data[1], picref->linesize[1], mod); break; | |
| 330 | ✗ | case TEST_CBP: cbp_test(picref->data , picref->linesize , mod); break; | |
| 331 | ✗ | case TEST_MV: mv_test(picref->data[0], picref->linesize[0], mod); break; | |
| 332 | ✗ | case TEST_RING1: ring1_test(picref->data[0], picref->linesize[0], mod); break; | |
| 333 | ✗ | case TEST_RING2: ring2_test(picref->data[0], picref->linesize[0], mod); break; | |
| 334 | } | ||
| 335 | |||
| 336 | 251 | return ff_filter_frame(outlink, picref); | |
| 337 | } | ||
| 338 | |||
| 339 | static const AVFilterPad mptestsrc_outputs[] = { | ||
| 340 | { | ||
| 341 | .name = "default", | ||
| 342 | .type = AVMEDIA_TYPE_VIDEO, | ||
| 343 | .request_frame = request_frame, | ||
| 344 | .config_props = config_props, | ||
| 345 | }, | ||
| 346 | }; | ||
| 347 | |||
| 348 | const FFFilter ff_vsrc_mptestsrc = { | ||
| 349 | .p.name = "mptestsrc", | ||
| 350 | .p.description = NULL_IF_CONFIG_SMALL("Generate various test pattern."), | ||
| 351 | .p.priv_class = &mptestsrc_class, | ||
| 352 | .p.inputs = NULL, | ||
| 353 | .priv_size = sizeof(MPTestContext), | ||
| 354 | .init = init, | ||
| 355 | FILTER_OUTPUTS(mptestsrc_outputs), | ||
| 356 | FILTER_SINGLE_PIXFMT(AV_PIX_FMT_YUV420P), | ||
| 357 | }; | ||
| 358 |