... | ... |
@@ -1507,6 +1507,7 @@ frei0r_src_filter_deps="frei0r dlopen strtok_r" |
1507 | 1507 |
hqdn3d_filter_deps="gpl" |
1508 | 1508 |
movie_filter_deps="avcodec avformat" |
1509 | 1509 |
mp_filter_deps="gpl avcodec" |
1510 |
+mptestsrc_filter_deps="gpl" |
|
1510 | 1511 |
negate_filter_deps="lut_filter" |
1511 | 1512 |
ocv_filter_deps="libopencv" |
1512 | 1513 |
scale_filter_deps="swscale" |
... | ... |
@@ -2034,6 +2034,63 @@ movie=/dev/video0:f=video4linux2, scale=180:-1, setpts=PTS-STARTPTS [movie]; |
2034 | 2034 |
|
2035 | 2035 |
@end example |
2036 | 2036 |
|
2037 |
+@section mptestsrc |
|
2038 |
+ |
|
2039 |
+Generate various test patterns, as generated by the MPlayer test filter. |
|
2040 |
+ |
|
2041 |
+The size of the generated video is fixed, and is 256x256. |
|
2042 |
+This source is useful in particular for testing encoding features. |
|
2043 |
+ |
|
2044 |
+This source accepts an optional sequence of @var{key}=@var{value} pairs, |
|
2045 |
+separated by ":". The description of the accepted options follows. |
|
2046 |
+ |
|
2047 |
+@table @option |
|
2048 |
+ |
|
2049 |
+@item rate, r |
|
2050 |
+Specify the frame rate of the sourced video, as the number of frames |
|
2051 |
+generated per second. It has to be a string in the format |
|
2052 |
+@var{frame_rate_num}/@var{frame_rate_den}, an integer number, a float |
|
2053 |
+number or a valid video frame rate abbreviation. The default value is |
|
2054 |
+"25". |
|
2055 |
+ |
|
2056 |
+@item duration, d |
|
2057 |
+Set the video duration of the sourced video. The accepted syntax is: |
|
2058 |
+@example |
|
2059 |
+[-]HH[:MM[:SS[.m...]]] |
|
2060 |
+[-]S+[.m...] |
|
2061 |
+@end example |
|
2062 |
+See also the function @code{av_parse_time()}. |
|
2063 |
+ |
|
2064 |
+If not specified, or the expressed duration is negative, the video is |
|
2065 |
+supposed to be generated forever. |
|
2066 |
+ |
|
2067 |
+@item test, t |
|
2068 |
+ |
|
2069 |
+Set the number or the name of the test to perform. Supported tests are: |
|
2070 |
+@table @option |
|
2071 |
+@item dc_luma |
|
2072 |
+@item dc_chroma |
|
2073 |
+@item freq_luma |
|
2074 |
+@item freq_chroma |
|
2075 |
+@item amp_luma |
|
2076 |
+@item amp_chroma |
|
2077 |
+@item cbp |
|
2078 |
+@item mv |
|
2079 |
+@item ring1 |
|
2080 |
+@item ring2 |
|
2081 |
+@item all |
|
2082 |
+@end table |
|
2083 |
+ |
|
2084 |
+Default value is "all", which will cycle through the list of all tests. |
|
2085 |
+@end table |
|
2086 |
+ |
|
2087 |
+For example the following: |
|
2088 |
+@example |
|
2089 |
+testsrc=t=dc_luma |
|
2090 |
+@end example |
|
2091 |
+ |
|
2092 |
+will generate a "dc_luma" test pattern. |
|
2093 |
+ |
|
2037 | 2094 |
@section nullsrc |
2038 | 2095 |
|
2039 | 2096 |
Null video source, never return images. It is mainly useful as a |
... | ... |
@@ -69,6 +69,7 @@ OBJS-$(CONFIG_BUFFER_FILTER) += vsrc_buffer.o |
69 | 69 |
OBJS-$(CONFIG_COLOR_FILTER) += vsrc_color.o |
70 | 70 |
OBJS-$(CONFIG_FREI0R_SRC_FILTER) += vf_frei0r.o |
71 | 71 |
OBJS-$(CONFIG_MOVIE_FILTER) += vsrc_movie.o |
72 |
+OBJS-$(CONFIG_MPTESTSRC_FILTER) += vsrc_mptestsrc.o |
|
72 | 73 |
OBJS-$(CONFIG_NULLSRC_FILTER) += vsrc_nullsrc.o |
73 | 74 |
OBJS-$(CONFIG_RGBTESTSRC_FILTER) += vsrc_testsrc.o |
74 | 75 |
OBJS-$(CONFIG_TESTSRC_FILTER) += vsrc_testsrc.o |
... | ... |
@@ -85,6 +85,7 @@ void avfilter_register_all(void) |
85 | 85 |
REGISTER_FILTER (COLOR, color, vsrc); |
86 | 86 |
REGISTER_FILTER (FREI0R, frei0r_src, vsrc); |
87 | 87 |
REGISTER_FILTER (MOVIE, movie, vsrc); |
88 |
+ REGISTER_FILTER (MPTESTSRC, mptestsrc, vsrc); |
|
88 | 89 |
REGISTER_FILTER (NULLSRC, nullsrc, vsrc); |
89 | 90 |
REGISTER_FILTER (RGBTESTSRC, rgbtestsrc, vsrc); |
90 | 91 |
REGISTER_FILTER (TESTSRC, testsrc, vsrc); |
... | ... |
@@ -29,8 +29,8 @@ |
29 | 29 |
#include "libavutil/rational.h" |
30 | 30 |
|
31 | 31 |
#define LIBAVFILTER_VERSION_MAJOR 2 |
32 |
-#define LIBAVFILTER_VERSION_MINOR 28 |
|
33 |
-#define LIBAVFILTER_VERSION_MICRO 1 |
|
32 |
+#define LIBAVFILTER_VERSION_MINOR 29 |
|
33 |
+#define LIBAVFILTER_VERSION_MICRO 0 |
|
34 | 34 |
|
35 | 35 |
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \ |
36 | 36 |
LIBAVFILTER_VERSION_MINOR, \ |
37 | 37 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,392 @@ |
0 |
+/* |
|
1 |
+ * Copyright (c) 2002 Michael Niedermayer <michaelni@gmx.at> |
|
2 |
+ * |
|
3 |
+ * This file is part of FFmpeg. |
|
4 |
+ * |
|
5 |
+ * FFmpeg is free software; you can redistribute it and/or modify |
|
6 |
+ * it under the terms of the GNU General Public License as published by |
|
7 |
+ * the Free Software Foundation; either version 2 of the License, or |
|
8 |
+ * (at your option) any later version. |
|
9 |
+ * |
|
10 |
+ * FFmpeg is distributed in the hope that it will be useful, |
|
11 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
12 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
13 |
+ * GNU General Public License for more details. |
|
14 |
+ * |
|
15 |
+ * You should have received a copy of the GNU General Public License along |
|
16 |
+ * with FFmpeg; if not, write to the Free Software Foundation, Inc., |
|
17 |
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
|
18 |
+ */ |
|
19 |
+ |
|
20 |
+/** |
|
21 |
+ * @file |
|
22 |
+ * MP test source, ported from MPlayer libmpcodecs/vf_test.c |
|
23 |
+ */ |
|
24 |
+ |
|
25 |
+#include "libavutil/avstring.h" |
|
26 |
+#include "libavutil/opt.h" |
|
27 |
+#include "libavutil/parseutils.h" |
|
28 |
+#include "libavutil/pixdesc.h" |
|
29 |
+#include "avfilter.h" |
|
30 |
+ |
|
31 |
+#define WIDTH 512 |
|
32 |
+#define HEIGHT 512 |
|
33 |
+ |
|
34 |
+enum test_type { |
|
35 |
+ TEST_DC_LUMA, |
|
36 |
+ TEST_DC_CHROMA, |
|
37 |
+ TEST_FREQ_LUMA, |
|
38 |
+ TEST_FREQ_CHROMA, |
|
39 |
+ TEST_AMP_LUMA, |
|
40 |
+ TEST_AMP_CHROMA, |
|
41 |
+ TEST_CBP, |
|
42 |
+ TEST_MV, |
|
43 |
+ TEST_RING1, |
|
44 |
+ TEST_RING2, |
|
45 |
+ TEST_ALL, |
|
46 |
+ TEST_NB |
|
47 |
+}; |
|
48 |
+ |
|
49 |
+typedef struct MPTestContext { |
|
50 |
+ const AVClass *class; |
|
51 |
+ unsigned int frame_nb; |
|
52 |
+ AVRational time_base; |
|
53 |
+ int64_t pts, max_pts; |
|
54 |
+ int hsub, vsub; |
|
55 |
+ char *size, *rate, *duration; |
|
56 |
+ enum test_type test; |
|
57 |
+} MPTestContext; |
|
58 |
+ |
|
59 |
+#define OFFSET(x) offsetof(MPTestContext, x) |
|
60 |
+ |
|
61 |
+static const AVOption mptestsrc_options[]= { |
|
62 |
+ { "rate", "set video rate", OFFSET(rate), FF_OPT_TYPE_STRING, {.str = "25"}, 0, 0 }, |
|
63 |
+ { "r", "set video rate", OFFSET(rate), FF_OPT_TYPE_STRING, {.str = "25"}, 0, 0 }, |
|
64 |
+ { "duration", "set video duration", OFFSET(duration), FF_OPT_TYPE_STRING, {.str = NULL}, 0, 0 }, |
|
65 |
+ { "d", "set video duration", OFFSET(duration), FF_OPT_TYPE_STRING, {.str = NULL}, 0, 0 }, |
|
66 |
+ |
|
67 |
+ { "test", "set test to perform", OFFSET(test), FF_OPT_TYPE_INT, {.dbl=TEST_ALL}, 0, INT_MAX, 0, "test" }, |
|
68 |
+ { "t", "set test to perform", OFFSET(test), FF_OPT_TYPE_INT, {.dbl=TEST_ALL}, 0, INT_MAX, 0, "test" }, |
|
69 |
+ { "dc_luma", "", 0, FF_OPT_TYPE_CONST, {.dbl=TEST_DC_LUMA}, INT_MIN, INT_MAX, 0, "test" }, |
|
70 |
+ { "dc_chroma", "", 0, FF_OPT_TYPE_CONST, {.dbl=TEST_DC_CHROMA}, INT_MIN, INT_MAX, 0, "test" }, |
|
71 |
+ { "freq_luma", "", 0, FF_OPT_TYPE_CONST, {.dbl=TEST_FREQ_LUMA}, INT_MIN, INT_MAX, 0, "test" }, |
|
72 |
+ { "freq_chroma", "", 0, FF_OPT_TYPE_CONST, {.dbl=TEST_FREQ_CHROMA}, INT_MIN, INT_MAX, 0, "test" }, |
|
73 |
+ { "amp_luma", "", 0, FF_OPT_TYPE_CONST, {.dbl=TEST_AMP_LUMA}, INT_MIN, INT_MAX, 0, "test" }, |
|
74 |
+ { "amp_chroma", "", 0, FF_OPT_TYPE_CONST, {.dbl=TEST_AMP_CHROMA}, INT_MIN, INT_MAX, 0, "test" }, |
|
75 |
+ { "cbp", "", 0, FF_OPT_TYPE_CONST, {.dbl=TEST_CBP}, INT_MIN, INT_MAX, 0, "test" }, |
|
76 |
+ { "mv", "", 0, FF_OPT_TYPE_CONST, {.dbl=TEST_MV}, INT_MIN, INT_MAX, 0, "test" }, |
|
77 |
+ { "ring1", "", 0, FF_OPT_TYPE_CONST, {.dbl=TEST_RING1}, INT_MIN, INT_MAX, 0, "test" }, |
|
78 |
+ { "ring2", "", 0, FF_OPT_TYPE_CONST, {.dbl=TEST_RING2}, INT_MIN, INT_MAX, 0, "test" }, |
|
79 |
+ { "all", "", 0, FF_OPT_TYPE_CONST, {.dbl=TEST_ALL}, INT_MIN, INT_MAX, 0, "test" }, |
|
80 |
+ |
|
81 |
+ { NULL }, |
|
82 |
+}; |
|
83 |
+ |
|
84 |
+static const char *mptestsrc_get_name(void *ctx) |
|
85 |
+{ |
|
86 |
+ return "mptestsrc"; |
|
87 |
+} |
|
88 |
+ |
|
89 |
+static const AVClass mptestsrc_class = { |
|
90 |
+ "MPTestContext", |
|
91 |
+ mptestsrc_get_name, |
|
92 |
+ mptestsrc_options |
|
93 |
+}; |
|
94 |
+ |
|
95 |
+static double c[64]; |
|
96 |
+ |
|
97 |
+static void init_idct(void) |
|
98 |
+{ |
|
99 |
+ int i, j; |
|
100 |
+ |
|
101 |
+ for (i = 0; i < 8; i++) { |
|
102 |
+ double s = i == 0 ? sqrt(0.125) : 0.5; |
|
103 |
+ |
|
104 |
+ for (j = 0; j < 8; j++) |
|
105 |
+ c[i*8+j] = s*cos((M_PI/8.0)*i*(j+0.5)); |
|
106 |
+ } |
|
107 |
+} |
|
108 |
+ |
|
109 |
+static void idct(uint8_t *dst, int dst_linesize, int src[64]) |
|
110 |
+{ |
|
111 |
+ int i, j, k; |
|
112 |
+ double tmp[64]; |
|
113 |
+ |
|
114 |
+ for (i = 0; i < 8; i++) { |
|
115 |
+ for (j = 0; j < 8; j++) { |
|
116 |
+ double sum = 0.0; |
|
117 |
+ |
|
118 |
+ for (k = 0; k < 8; k++) |
|
119 |
+ sum += c[k*8+j] * src[8*i+k]; |
|
120 |
+ |
|
121 |
+ tmp[8*i+j] = sum; |
|
122 |
+ } |
|
123 |
+ } |
|
124 |
+ |
|
125 |
+ for (j = 0; j < 8; j++) { |
|
126 |
+ for (i = 0; i < 8; i++) { |
|
127 |
+ double sum = 0.0; |
|
128 |
+ |
|
129 |
+ for (k = 0; k < 8; k++) |
|
130 |
+ sum += c[k*8+i]*tmp[8*k+j]; |
|
131 |
+ |
|
132 |
+ dst[dst_linesize*i + j] = av_clip((int)floor(sum+0.5), 0, 255); |
|
133 |
+ } |
|
134 |
+ } |
|
135 |
+} |
|
136 |
+ |
|
137 |
+static void draw_dc(uint8_t *dst, int dst_linesize, int color, int w, int h) |
|
138 |
+{ |
|
139 |
+ int x, y; |
|
140 |
+ |
|
141 |
+ for (y = 0; y < h; y++) |
|
142 |
+ for (x = 0; x < w; x++) |
|
143 |
+ dst[x + y*dst_linesize] = color; |
|
144 |
+} |
|
145 |
+ |
|
146 |
+static void draw_basis(uint8_t *dst, int dst_linesize, int amp, int freq, int dc) |
|
147 |
+{ |
|
148 |
+ int src[64]; |
|
149 |
+ |
|
150 |
+ memset(src, 0, 64*sizeof(int)); |
|
151 |
+ src[0] = dc; |
|
152 |
+ if (amp) |
|
153 |
+ src[freq] = amp; |
|
154 |
+ idct(dst, dst_linesize, src); |
|
155 |
+} |
|
156 |
+ |
|
157 |
+static void draw_cbp(uint8_t *dst[3], int dst_linesize[3], int cbp, int amp, int dc) |
|
158 |
+{ |
|
159 |
+ if (cbp&1) draw_basis(dst[0] , dst_linesize[0], amp, 1, dc); |
|
160 |
+ if (cbp&2) draw_basis(dst[0]+8 , dst_linesize[0], amp, 1, dc); |
|
161 |
+ if (cbp&4) draw_basis(dst[0]+ 8*dst_linesize[0], dst_linesize[0], amp, 1, dc); |
|
162 |
+ if (cbp&8) draw_basis(dst[0]+8+8*dst_linesize[0], dst_linesize[0], amp, 1, dc); |
|
163 |
+ if (cbp&16) draw_basis(dst[1] , dst_linesize[1], amp, 1, dc); |
|
164 |
+ if (cbp&32) draw_basis(dst[2] , dst_linesize[2], amp, 1, dc); |
|
165 |
+} |
|
166 |
+ |
|
167 |
+static void dc_test(uint8_t *dst, int dst_linesize, int w, int h, int off) |
|
168 |
+{ |
|
169 |
+ const int step = FFMAX(256/(w*h/256), 1); |
|
170 |
+ int x, y, color = off; |
|
171 |
+ |
|
172 |
+ for (y = 0; y < h; y += 16) { |
|
173 |
+ for (x = 0; x < w; x += 16) { |
|
174 |
+ draw_dc(dst + x + y*dst_linesize, dst_linesize, color, 8, 8); |
|
175 |
+ color += step; |
|
176 |
+ } |
|
177 |
+ } |
|
178 |
+} |
|
179 |
+ |
|
180 |
+static void freq_test(uint8_t *dst, int dst_linesize, int off) |
|
181 |
+{ |
|
182 |
+ int x, y, freq = 0; |
|
183 |
+ |
|
184 |
+ for (y = 0; y < 8*16; y += 16) { |
|
185 |
+ for (x = 0; x < 8*16; x += 16) { |
|
186 |
+ draw_basis(dst + x + y*dst_linesize, dst_linesize, 4*(96+off), freq, 128*8); |
|
187 |
+ freq++; |
|
188 |
+ } |
|
189 |
+ } |
|
190 |
+} |
|
191 |
+ |
|
192 |
+static void amp_test(uint8_t *dst, int dst_linesize, int off) |
|
193 |
+{ |
|
194 |
+ int x, y, amp = off; |
|
195 |
+ |
|
196 |
+ for (y = 0; y < 16*16; y += 16) { |
|
197 |
+ for (x = 0; x < 16*16; x += 16) { |
|
198 |
+ draw_basis(dst + x + y*dst_linesize, dst_linesize, 4*amp, 1, 128*8); |
|
199 |
+ amp++; |
|
200 |
+ } |
|
201 |
+ } |
|
202 |
+} |
|
203 |
+ |
|
204 |
+static void cbp_test(uint8_t *dst[3], int dst_linesize[3], int off) |
|
205 |
+{ |
|
206 |
+ int x, y, cbp = 0; |
|
207 |
+ |
|
208 |
+ for (y = 0; y < 16*8; y += 16) { |
|
209 |
+ for (x = 0; x < 16*8; x += 16) { |
|
210 |
+ uint8_t *dst1[3]; |
|
211 |
+ dst1[0] = dst[0] + x*2 + y*2*dst_linesize[0]; |
|
212 |
+ dst1[1] = dst[1] + x + y* dst_linesize[1]; |
|
213 |
+ dst1[2] = dst[2] + x + y* dst_linesize[2]; |
|
214 |
+ |
|
215 |
+ draw_cbp(dst1, dst_linesize, cbp, (64+off)*4, 128*8); |
|
216 |
+ cbp++; |
|
217 |
+ } |
|
218 |
+ } |
|
219 |
+} |
|
220 |
+ |
|
221 |
+static void mv_test(uint8_t *dst, int dst_linesize, int off) |
|
222 |
+{ |
|
223 |
+ int x, y; |
|
224 |
+ |
|
225 |
+ for (y = 0; y < 16*16; y++) { |
|
226 |
+ if (y&16) |
|
227 |
+ continue; |
|
228 |
+ for (x = 0; x < 16*16; x++) |
|
229 |
+ dst[x + y*dst_linesize] = x + off*8/(y/32+1); |
|
230 |
+ } |
|
231 |
+} |
|
232 |
+ |
|
233 |
+static void ring1_test(uint8_t *dst, int dst_linesize, int off) |
|
234 |
+{ |
|
235 |
+ int x, y, color = 0; |
|
236 |
+ |
|
237 |
+ for (y = off; y < 16*16; y += 16) { |
|
238 |
+ for (x = off; x < 16*16; x += 16) { |
|
239 |
+ draw_dc(dst + x + y*dst_linesize, dst_linesize, ((x+y)&16) ? color : -color, 16, 16); |
|
240 |
+ color++; |
|
241 |
+ } |
|
242 |
+ } |
|
243 |
+} |
|
244 |
+ |
|
245 |
+static void ring2_test(uint8_t *dst, int dst_linesize, int off) |
|
246 |
+{ |
|
247 |
+ int x, y; |
|
248 |
+ |
|
249 |
+ for (y = 0; y < 16*16; y++) { |
|
250 |
+ for (x = 0; x < 16*16; x++) { |
|
251 |
+ double d = sqrt((x-8*16)*(x-8*16) + (y-8*16)*(y-8*16)); |
|
252 |
+ double r = d/20 - (int)(d/20); |
|
253 |
+ if (r < off/30.0) { |
|
254 |
+ dst[x + y*dst_linesize] = 255; |
|
255 |
+ dst[x + y*dst_linesize+256] = 0; |
|
256 |
+ } else { |
|
257 |
+ dst[x + y*dst_linesize] = x; |
|
258 |
+ dst[x + y*dst_linesize+256] = x; |
|
259 |
+ } |
|
260 |
+ } |
|
261 |
+ } |
|
262 |
+} |
|
263 |
+ |
|
264 |
+static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque) |
|
265 |
+{ |
|
266 |
+ MPTestContext *test = ctx->priv; |
|
267 |
+ AVRational frame_rate_q; |
|
268 |
+ int64_t duration = -1; |
|
269 |
+ int ret; |
|
270 |
+ |
|
271 |
+ test->class = &mptestsrc_class; |
|
272 |
+ av_opt_set_defaults2(test, 0, 0); |
|
273 |
+ |
|
274 |
+ if ((ret = (av_set_options_string(test, args, "=", ":"))) < 0) { |
|
275 |
+ av_log(ctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args); |
|
276 |
+ return ret; |
|
277 |
+ } |
|
278 |
+ |
|
279 |
+ if ((ret = av_parse_video_rate(&frame_rate_q, test->rate)) < 0 || |
|
280 |
+ frame_rate_q.den <= 0 || frame_rate_q.num <= 0) { |
|
281 |
+ av_log(ctx, AV_LOG_ERROR, "Invalid frame rate: '%s'\n", test->rate); |
|
282 |
+ return ret; |
|
283 |
+ } |
|
284 |
+ |
|
285 |
+ if ((test->duration) && (ret = av_parse_time(&duration, test->duration, 1)) < 0) { |
|
286 |
+ av_log(ctx, AV_LOG_ERROR, "Invalid duration: '%s'\n", test->duration); |
|
287 |
+ return ret; |
|
288 |
+ } |
|
289 |
+ |
|
290 |
+ test->time_base.num = frame_rate_q.den; |
|
291 |
+ test->time_base.den = frame_rate_q.num; |
|
292 |
+ test->max_pts = duration >= 0 ? |
|
293 |
+ av_rescale_q(duration, AV_TIME_BASE_Q, test->time_base) : -1; |
|
294 |
+ test->frame_nb = 0; |
|
295 |
+ test->pts = 0; |
|
296 |
+ |
|
297 |
+ av_log(ctx, AV_LOG_INFO, "rate:%d/%d duration:%f\n", |
|
298 |
+ frame_rate_q.num, frame_rate_q.den, |
|
299 |
+ duration < 0 ? -1 : test->max_pts * av_q2d(test->time_base)); |
|
300 |
+ init_idct(); |
|
301 |
+ |
|
302 |
+ return 0; |
|
303 |
+} |
|
304 |
+ |
|
305 |
+static int config_props(AVFilterLink *outlink) |
|
306 |
+{ |
|
307 |
+ AVFilterContext *ctx = outlink->src; |
|
308 |
+ MPTestContext *test = ctx->priv; |
|
309 |
+ const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[outlink->format]; |
|
310 |
+ |
|
311 |
+ test->hsub = pix_desc->log2_chroma_w; |
|
312 |
+ test->vsub = pix_desc->log2_chroma_h; |
|
313 |
+ |
|
314 |
+ outlink->w = WIDTH; |
|
315 |
+ outlink->h = HEIGHT; |
|
316 |
+ outlink->time_base = test->time_base; |
|
317 |
+ |
|
318 |
+ return 0; |
|
319 |
+} |
|
320 |
+ |
|
321 |
+static int query_formats(AVFilterContext *ctx) |
|
322 |
+{ |
|
323 |
+ static const enum PixelFormat pix_fmts[] = { |
|
324 |
+ PIX_FMT_YUV420P, PIX_FMT_NONE |
|
325 |
+ }; |
|
326 |
+ |
|
327 |
+ avfilter_set_common_pixel_formats(ctx, avfilter_make_format_list(pix_fmts)); |
|
328 |
+ return 0; |
|
329 |
+} |
|
330 |
+ |
|
331 |
+static int request_frame(AVFilterLink *outlink) |
|
332 |
+{ |
|
333 |
+ MPTestContext *test = outlink->src->priv; |
|
334 |
+ AVFilterBufferRef *picref; |
|
335 |
+ int w = WIDTH, h = HEIGHT, ch = h>>test->vsub; |
|
336 |
+ unsigned int frame = test->frame_nb; |
|
337 |
+ enum test_type tt = test->test; |
|
338 |
+ |
|
339 |
+ if (test->max_pts >= 0 && test->pts > test->max_pts) |
|
340 |
+ return AVERROR_EOF; |
|
341 |
+ picref = avfilter_get_video_buffer(outlink, AV_PERM_WRITE, w, h); |
|
342 |
+ picref->pts = test->pts++; |
|
343 |
+ |
|
344 |
+ // clean image |
|
345 |
+ memset(picref->data[0], 0, picref->linesize[0] * h); |
|
346 |
+ memset(picref->data[1], 128, picref->linesize[1] * ch); |
|
347 |
+ memset(picref->data[2], 128, picref->linesize[2] * ch); |
|
348 |
+ |
|
349 |
+ if (tt == TEST_ALL && frame%30) /* draw a black frame at the beginning of each test */ |
|
350 |
+ tt = (frame/30)%(TEST_NB-1); |
|
351 |
+ |
|
352 |
+ switch (tt) { |
|
353 |
+ case TEST_DC_LUMA: dc_test(picref->data[0], picref->linesize[0], 256, 256, frame%30); break; |
|
354 |
+ case TEST_DC_CHROMA: dc_test(picref->data[1], picref->linesize[1], 256, 256, frame%30); break; |
|
355 |
+ case TEST_FREQ_LUMA: freq_test(picref->data[0], picref->linesize[0], frame%30); break; |
|
356 |
+ case TEST_FREQ_CHROMA: freq_test(picref->data[1], picref->linesize[1], frame%30); break; |
|
357 |
+ case TEST_AMP_LUMA: amp_test(picref->data[0], picref->linesize[0], frame%30); break; |
|
358 |
+ case TEST_AMP_CHROMA: amp_test(picref->data[1], picref->linesize[1], frame%30); break; |
|
359 |
+ case TEST_CBP: cbp_test(picref->data , picref->linesize , frame%30); break; |
|
360 |
+ case TEST_MV: mv_test(picref->data[0], picref->linesize[0], frame%30); break; |
|
361 |
+ case TEST_RING1: ring1_test(picref->data[0], picref->linesize[0], frame%30); break; |
|
362 |
+ case TEST_RING2: ring2_test(picref->data[0], picref->linesize[0], frame%30); break; |
|
363 |
+ } |
|
364 |
+ |
|
365 |
+ test->frame_nb++; |
|
366 |
+ |
|
367 |
+ avfilter_start_frame(outlink, avfilter_ref_buffer(picref, ~0)); |
|
368 |
+ avfilter_draw_slice(outlink, 0, picref->video->h, 1); |
|
369 |
+ avfilter_end_frame(outlink); |
|
370 |
+ avfilter_unref_buffer(picref); |
|
371 |
+ |
|
372 |
+ return 0; |
|
373 |
+} |
|
374 |
+ |
|
375 |
+AVFilter avfilter_vsrc_mptestsrc = { |
|
376 |
+ .name = "mptestsrc", |
|
377 |
+ .description = NULL_IF_CONFIG_SMALL("Generate various test pattern."), |
|
378 |
+ .priv_size = sizeof(MPTestContext), |
|
379 |
+ .init = init, |
|
380 |
+ |
|
381 |
+ .query_formats = query_formats, |
|
382 |
+ |
|
383 |
+ .inputs = (AVFilterPad[]) {{ .name = NULL}}, |
|
384 |
+ |
|
385 |
+ .outputs = (AVFilterPad[]) {{ .name = "default", |
|
386 |
+ .type = AVMEDIA_TYPE_VIDEO, |
|
387 |
+ .config_props = config_props, |
|
388 |
+ .request_frame = request_frame, |
|
389 |
+ .config_props = config_props, }, |
|
390 |
+ { .name = NULL }}, |
|
391 |
+}; |