blob: c5fdea75dc7d13686875a67a43d68f2a881dd73a
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/avstring.h" |
27 | #include "libavutil/opt.h" |
28 | #include "libavutil/parseutils.h" |
29 | #include "libavutil/pixdesc.h" |
30 | #include "avfilter.h" |
31 | #include "internal.h" |
32 | #include "formats.h" |
33 | #include "video.h" |
34 | |
35 | #define WIDTH 512 |
36 | #define HEIGHT 512 |
37 | |
38 | enum test_type { |
39 | TEST_DC_LUMA, |
40 | TEST_DC_CHROMA, |
41 | TEST_FREQ_LUMA, |
42 | TEST_FREQ_CHROMA, |
43 | TEST_AMP_LUMA, |
44 | TEST_AMP_CHROMA, |
45 | TEST_CBP, |
46 | TEST_MV, |
47 | TEST_RING1, |
48 | TEST_RING2, |
49 | TEST_ALL, |
50 | TEST_NB |
51 | }; |
52 | |
53 | typedef struct MPTestContext { |
54 | const AVClass *class; |
55 | AVRational frame_rate; |
56 | int64_t pts, max_pts, duration; |
57 | int hsub, vsub; |
58 | int test; ///< test_type |
59 | } MPTestContext; |
60 | |
61 | #define OFFSET(x) offsetof(MPTestContext, x) |
62 | #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM |
63 | static const AVOption mptestsrc_options[]= { |
64 | { "rate", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, FLAGS }, |
65 | { "r", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, FLAGS }, |
66 | { "duration", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS }, |
67 | { "d", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS }, |
68 | |
69 | { "test", "set test to perform", OFFSET(test), AV_OPT_TYPE_INT, {.i64=TEST_ALL}, 0, INT_MAX, FLAGS, "test" }, |
70 | { "t", "set test to perform", OFFSET(test), AV_OPT_TYPE_INT, {.i64=TEST_ALL}, 0, INT_MAX, FLAGS, "test" }, |
71 | { "dc_luma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_DC_LUMA}, INT_MIN, INT_MAX, FLAGS, "test" }, |
72 | { "dc_chroma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_DC_CHROMA}, INT_MIN, INT_MAX, FLAGS, "test" }, |
73 | { "freq_luma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_FREQ_LUMA}, INT_MIN, INT_MAX, FLAGS, "test" }, |
74 | { "freq_chroma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_FREQ_CHROMA}, INT_MIN, INT_MAX, FLAGS, "test" }, |
75 | { "amp_luma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_AMP_LUMA}, INT_MIN, INT_MAX, FLAGS, "test" }, |
76 | { "amp_chroma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_AMP_CHROMA}, INT_MIN, INT_MAX, FLAGS, "test" }, |
77 | { "cbp", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_CBP}, INT_MIN, INT_MAX, FLAGS, "test" }, |
78 | { "mv", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_MV}, INT_MIN, INT_MAX, FLAGS, "test" }, |
79 | { "ring1", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_RING1}, INT_MIN, INT_MAX, FLAGS, "test" }, |
80 | { "ring2", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_RING2}, INT_MIN, INT_MAX, FLAGS, "test" }, |
81 | { "all", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_ALL}, INT_MIN, INT_MAX, FLAGS, "test" }, |
82 | { NULL } |
83 | }; |
84 | |
85 | AVFILTER_DEFINE_CLASS(mptestsrc); |
86 | |
87 | static double c[64]; |
88 | |
89 | static void init_idct(void) |
90 | { |
91 | int i, j; |
92 | |
93 | for (i = 0; i < 8; i++) { |
94 | double s = i == 0 ? sqrt(0.125) : 0.5; |
95 | |
96 | for (j = 0; j < 8; j++) |
97 | c[i*8+j] = s*cos((M_PI/8.0)*i*(j+0.5)); |
98 | } |
99 | } |
100 | |
101 | static void idct(uint8_t *dst, int dst_linesize, int src[64]) |
102 | { |
103 | int i, j, k; |
104 | double tmp[64]; |
105 | |
106 | for (i = 0; i < 8; i++) { |
107 | for (j = 0; j < 8; j++) { |
108 | double sum = 0.0; |
109 | |
110 | for (k = 0; k < 8; k++) |
111 | sum += c[k*8+j] * src[8*i+k]; |
112 | |
113 | tmp[8*i+j] = sum; |
114 | } |
115 | } |
116 | |
117 | for (j = 0; j < 8; j++) { |
118 | for (i = 0; i < 8; i++) { |
119 | double sum = 0.0; |
120 | |
121 | for (k = 0; k < 8; k++) |
122 | sum += c[k*8+i]*tmp[8*k+j]; |
123 | |
124 | dst[dst_linesize*i + j] = av_clip_uint8(lrint(sum)); |
125 | } |
126 | } |
127 | } |
128 | |
129 | static void draw_dc(uint8_t *dst, int dst_linesize, int color, int w, int h) |
130 | { |
131 | int x, y; |
132 | |
133 | for (y = 0; y < h; y++) |
134 | for (x = 0; x < w; x++) |
135 | dst[x + y*dst_linesize] = color; |
136 | } |
137 | |
138 | static void draw_basis(uint8_t *dst, int dst_linesize, int amp, int freq, int dc) |
139 | { |
140 | int src[64]; |
141 | |
142 | memset(src, 0, 64*sizeof(int)); |
143 | src[0] = dc; |
144 | if (amp) |
145 | src[freq] = amp; |
146 | idct(dst, dst_linesize, src); |
147 | } |
148 | |
149 | static void draw_cbp(uint8_t *dst[3], int dst_linesize[3], int cbp, int amp, int dc) |
150 | { |
151 | if (cbp&1) draw_basis(dst[0] , dst_linesize[0], amp, 1, dc); |
152 | if (cbp&2) draw_basis(dst[0]+8 , dst_linesize[0], amp, 1, dc); |
153 | if (cbp&4) draw_basis(dst[0]+ 8*dst_linesize[0], dst_linesize[0], amp, 1, dc); |
154 | if (cbp&8) draw_basis(dst[0]+8+8*dst_linesize[0], dst_linesize[0], amp, 1, dc); |
155 | if (cbp&16) draw_basis(dst[1] , dst_linesize[1], amp, 1, dc); |
156 | if (cbp&32) draw_basis(dst[2] , dst_linesize[2], amp, 1, dc); |
157 | } |
158 | |
159 | static void dc_test(uint8_t *dst, int dst_linesize, int w, int h, int off) |
160 | { |
161 | const int step = FFMAX(256/(w*h/256), 1); |
162 | int x, y, color = off; |
163 | |
164 | for (y = 0; y < h; y += 16) { |
165 | for (x = 0; x < w; x += 16) { |
166 | draw_dc(dst + x + y*dst_linesize, dst_linesize, color, 8, 8); |
167 | color += step; |
168 | } |
169 | } |
170 | } |
171 | |
172 | static void freq_test(uint8_t *dst, int dst_linesize, int off) |
173 | { |
174 | int x, y, freq = 0; |
175 | |
176 | for (y = 0; y < 8*16; y += 16) { |
177 | for (x = 0; x < 8*16; x += 16) { |
178 | draw_basis(dst + x + y*dst_linesize, dst_linesize, 4*(96+off), freq, 128*8); |
179 | freq++; |
180 | } |
181 | } |
182 | } |
183 | |
184 | static void amp_test(uint8_t *dst, int dst_linesize, int off) |
185 | { |
186 | int x, y, amp = off; |
187 | |
188 | for (y = 0; y < 16*16; y += 16) { |
189 | for (x = 0; x < 16*16; x += 16) { |
190 | draw_basis(dst + x + y*dst_linesize, dst_linesize, 4*amp, 1, 128*8); |
191 | amp++; |
192 | } |
193 | } |
194 | } |
195 | |
196 | static void cbp_test(uint8_t *dst[3], int dst_linesize[3], int off) |
197 | { |
198 | int x, y, cbp = 0; |
199 | |
200 | for (y = 0; y < 16*8; y += 16) { |
201 | for (x = 0; x < 16*8; x += 16) { |
202 | uint8_t *dst1[3]; |
203 | dst1[0] = dst[0] + x*2 + y*2*dst_linesize[0]; |
204 | dst1[1] = dst[1] + x + y* dst_linesize[1]; |
205 | dst1[2] = dst[2] + x + y* dst_linesize[2]; |
206 | |
207 | draw_cbp(dst1, dst_linesize, cbp, (64+off)*4, 128*8); |
208 | cbp++; |
209 | } |
210 | } |
211 | } |
212 | |
213 | static void mv_test(uint8_t *dst, int dst_linesize, int off) |
214 | { |
215 | int x, y; |
216 | |
217 | for (y = 0; y < 16*16; y++) { |
218 | if (y&16) |
219 | continue; |
220 | for (x = 0; x < 16*16; x++) |
221 | dst[x + y*dst_linesize] = x + off*8/(y/32+1); |
222 | } |
223 | } |
224 | |
225 | static void ring1_test(uint8_t *dst, int dst_linesize, int off) |
226 | { |
227 | int x, y, color = 0; |
228 | |
229 | for (y = off; y < 16*16; y += 16) { |
230 | for (x = off; x < 16*16; x += 16) { |
231 | draw_dc(dst + x + y*dst_linesize, dst_linesize, ((x+y)&16) ? color : -color, 16, 16); |
232 | color++; |
233 | } |
234 | } |
235 | } |
236 | |
237 | static void ring2_test(uint8_t *dst, int dst_linesize, int off) |
238 | { |
239 | int x, y; |
240 | |
241 | for (y = 0; y < 16*16; y++) { |
242 | for (x = 0; x < 16*16; x++) { |
243 | double d = hypot(x-8*16, y-8*16); |
244 | double r = d/20 - (int)(d/20); |
245 | if (r < off/30.0) { |
246 | dst[x + y*dst_linesize] = 255; |
247 | dst[x + y*dst_linesize+256] = 0; |
248 | } else { |
249 | dst[x + y*dst_linesize] = x; |
250 | dst[x + y*dst_linesize+256] = x; |
251 | } |
252 | } |
253 | } |
254 | } |
255 | |
256 | static av_cold int init(AVFilterContext *ctx) |
257 | { |
258 | MPTestContext *test = ctx->priv; |
259 | |
260 | test->max_pts = test->duration >= 0 ? |
261 | av_rescale_q(test->duration, AV_TIME_BASE_Q, av_inv_q(test->frame_rate)) : -1; |
262 | test->pts = 0; |
263 | |
264 | av_log(ctx, AV_LOG_VERBOSE, "rate:%d/%d duration:%f\n", |
265 | test->frame_rate.num, test->frame_rate.den, |
266 | test->duration < 0 ? -1 : test->max_pts * av_q2d(av_inv_q(test->frame_rate))); |
267 | init_idct(); |
268 | |
269 | return 0; |
270 | } |
271 | |
272 | static int config_props(AVFilterLink *outlink) |
273 | { |
274 | AVFilterContext *ctx = outlink->src; |
275 | MPTestContext *test = ctx->priv; |
276 | const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(outlink->format); |
277 | |
278 | test->hsub = pix_desc->log2_chroma_w; |
279 | test->vsub = pix_desc->log2_chroma_h; |
280 | |
281 | outlink->w = WIDTH; |
282 | outlink->h = HEIGHT; |
283 | outlink->time_base = av_inv_q(test->frame_rate); |
284 | |
285 | return 0; |
286 | } |
287 | |
288 | static int query_formats(AVFilterContext *ctx) |
289 | { |
290 | static const enum AVPixelFormat pix_fmts[] = { |
291 | AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE |
292 | }; |
293 | |
294 | AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts); |
295 | if (!fmts_list) |
296 | return AVERROR(ENOMEM); |
297 | return ff_set_common_formats(ctx, fmts_list); |
298 | } |
299 | |
300 | static int request_frame(AVFilterLink *outlink) |
301 | { |
302 | MPTestContext *test = outlink->src->priv; |
303 | AVFrame *picref; |
304 | int w = WIDTH, h = HEIGHT, |
305 | cw = AV_CEIL_RSHIFT(w, test->hsub), ch = AV_CEIL_RSHIFT(h, test->vsub); |
306 | unsigned int frame = outlink->frame_count_in; |
307 | enum test_type tt = test->test; |
308 | int i; |
309 | |
310 | if (test->max_pts >= 0 && test->pts > test->max_pts) |
311 | return AVERROR_EOF; |
312 | picref = ff_get_video_buffer(outlink, w, h); |
313 | if (!picref) |
314 | return AVERROR(ENOMEM); |
315 | picref->pts = test->pts++; |
316 | |
317 | // clean image |
318 | for (i = 0; i < h; i++) |
319 | memset(picref->data[0] + i*picref->linesize[0], 0, w); |
320 | for (i = 0; i < ch; i++) { |
321 | memset(picref->data[1] + i*picref->linesize[1], 128, cw); |
322 | memset(picref->data[2] + i*picref->linesize[2], 128, cw); |
323 | } |
324 | |
325 | if (tt == TEST_ALL && frame%30) /* draw a black frame at the beginning of each test */ |
326 | tt = (frame/30)%(TEST_NB-1); |
327 | |
328 | switch (tt) { |
329 | case TEST_DC_LUMA: dc_test(picref->data[0], picref->linesize[0], 256, 256, frame%30); break; |
330 | case TEST_DC_CHROMA: dc_test(picref->data[1], picref->linesize[1], 256, 256, frame%30); break; |
331 | case TEST_FREQ_LUMA: freq_test(picref->data[0], picref->linesize[0], frame%30); break; |
332 | case TEST_FREQ_CHROMA: freq_test(picref->data[1], picref->linesize[1], frame%30); break; |
333 | case TEST_AMP_LUMA: amp_test(picref->data[0], picref->linesize[0], frame%30); break; |
334 | case TEST_AMP_CHROMA: amp_test(picref->data[1], picref->linesize[1], frame%30); break; |
335 | case TEST_CBP: cbp_test(picref->data , picref->linesize , frame%30); break; |
336 | case TEST_MV: mv_test(picref->data[0], picref->linesize[0], frame%30); break; |
337 | case TEST_RING1: ring1_test(picref->data[0], picref->linesize[0], frame%30); break; |
338 | case TEST_RING2: ring2_test(picref->data[0], picref->linesize[0], frame%30); break; |
339 | } |
340 | |
341 | return ff_filter_frame(outlink, picref); |
342 | } |
343 | |
344 | static const AVFilterPad mptestsrc_outputs[] = { |
345 | { |
346 | .name = "default", |
347 | .type = AVMEDIA_TYPE_VIDEO, |
348 | .request_frame = request_frame, |
349 | .config_props = config_props, |
350 | }, |
351 | { NULL } |
352 | }; |
353 | |
354 | AVFilter ff_vsrc_mptestsrc = { |
355 | .name = "mptestsrc", |
356 | .description = NULL_IF_CONFIG_SMALL("Generate various test pattern."), |
357 | .priv_size = sizeof(MPTestContext), |
358 | .priv_class = &mptestsrc_class, |
359 | .init = init, |
360 | .query_formats = query_formats, |
361 | .inputs = NULL, |
362 | .outputs = mptestsrc_outputs, |
363 | }; |
364 |