2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
3 * Copyright (C) <2002> David A. Schleef <ds@schleef.org>
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library 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 GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
22 * SECTION:element-videotestsrc
24 * The videotestsrc element is used to produce test video data in a wide variaty
25 * of formats. The video test data produced can be controlled with the "pattern"
29 * <title>Example launch line</title>
31 * gst-launch -v videotestsrc pattern=snow ! ximagesink
32 * ]| Shows random noise in an X window.
39 #include "gstvideotestsrc.h"
40 #include "gstvideotestsrcorc.h"
41 #include "videotestsrc.h"
46 GST_DEBUG_CATEGORY_STATIC (video_test_src_debug);
47 #define GST_CAT_DEFAULT video_test_src_debug
49 #define DEFAULT_PATTERN GST_VIDEO_TEST_SRC_SMPTE
50 #define DEFAULT_TIMESTAMP_OFFSET 0
51 #define DEFAULT_IS_LIVE FALSE
52 #define DEFAULT_COLOR_SPEC GST_VIDEO_TEST_SRC_BT601
53 #define DEFAULT_FOREGROUND_COLOR 0xffffffff
54 #define DEFAULT_BACKGROUND_COLOR 0xff000000
55 #define DEFAULT_HORIZONTAL_SPEED 0
61 PROP_TIMESTAMP_OFFSET,
76 PROP_FOREGROUND_COLOR,
77 PROP_BACKGROUND_COLOR,
78 PROP_HORIZONTAL_SPEED,
83 #define gst_video_test_src_parent_class parent_class
84 G_DEFINE_TYPE (GstVideoTestSrc, gst_video_test_src, GST_TYPE_PUSH_SRC);
86 static void gst_video_test_src_set_pattern (GstVideoTestSrc * videotestsrc,
88 static void gst_video_test_src_set_property (GObject * object, guint prop_id,
89 const GValue * value, GParamSpec * pspec);
90 static void gst_video_test_src_get_property (GObject * object, guint prop_id,
91 GValue * value, GParamSpec * pspec);
93 static GstCaps *gst_video_test_src_getcaps (GstBaseSrc * bsrc,
95 static gboolean gst_video_test_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps);
96 static void gst_video_test_src_src_fixate (GstPad * pad, GstCaps * caps);
98 static gboolean gst_video_test_src_is_seekable (GstBaseSrc * psrc);
99 static gboolean gst_video_test_src_do_seek (GstBaseSrc * bsrc,
100 GstSegment * segment);
101 static gboolean gst_video_test_src_query (GstBaseSrc * bsrc, GstQuery * query);
103 static void gst_video_test_src_get_times (GstBaseSrc * basesrc,
104 GstBuffer * buffer, GstClockTime * start, GstClockTime * end);
105 static gboolean gst_video_test_src_setup_allocation (GstBaseSrc * bsrc,
107 static GstFlowReturn gst_video_test_src_fill (GstPushSrc * psrc,
109 static gboolean gst_video_test_src_start (GstBaseSrc * basesrc);
111 #define GST_TYPE_VIDEO_TEST_SRC_PATTERN (gst_video_test_src_pattern_get_type ())
113 gst_video_test_src_pattern_get_type (void)
115 static GType video_test_src_pattern_type = 0;
116 static const GEnumValue pattern_types[] = {
117 {GST_VIDEO_TEST_SRC_SMPTE, "SMPTE 100% color bars", "smpte"},
118 {GST_VIDEO_TEST_SRC_SNOW, "Random (television snow)", "snow"},
119 {GST_VIDEO_TEST_SRC_BLACK, "100% Black", "black"},
120 {GST_VIDEO_TEST_SRC_WHITE, "100% White", "white"},
121 {GST_VIDEO_TEST_SRC_RED, "Red", "red"},
122 {GST_VIDEO_TEST_SRC_GREEN, "Green", "green"},
123 {GST_VIDEO_TEST_SRC_BLUE, "Blue", "blue"},
124 {GST_VIDEO_TEST_SRC_CHECKERS1, "Checkers 1px", "checkers-1"},
125 {GST_VIDEO_TEST_SRC_CHECKERS2, "Checkers 2px", "checkers-2"},
126 {GST_VIDEO_TEST_SRC_CHECKERS4, "Checkers 4px", "checkers-4"},
127 {GST_VIDEO_TEST_SRC_CHECKERS8, "Checkers 8px", "checkers-8"},
128 {GST_VIDEO_TEST_SRC_CIRCULAR, "Circular", "circular"},
129 {GST_VIDEO_TEST_SRC_BLINK, "Blink", "blink"},
130 {GST_VIDEO_TEST_SRC_SMPTE75, "SMPTE 75% color bars", "smpte75"},
131 {GST_VIDEO_TEST_SRC_ZONE_PLATE, "Zone plate", "zone-plate"},
132 {GST_VIDEO_TEST_SRC_GAMUT, "Gamut checkers", "gamut"},
133 {GST_VIDEO_TEST_SRC_CHROMA_ZONE_PLATE, "Chroma zone plate",
134 "chroma-zone-plate"},
135 {GST_VIDEO_TEST_SRC_SOLID, "Solid color", "solid-color"},
136 {GST_VIDEO_TEST_SRC_BALL, "Moving ball", "ball"},
137 {GST_VIDEO_TEST_SRC_SMPTE100, "SMPTE 100% color bars", "smpte100"},
138 {GST_VIDEO_TEST_SRC_BAR, "Bar", "bar"},
142 if (!video_test_src_pattern_type) {
143 video_test_src_pattern_type =
144 g_enum_register_static ("GstVideoTestSrcPattern", pattern_types);
146 return video_test_src_pattern_type;
149 #define GST_TYPE_VIDEO_TEST_SRC_COLOR_SPEC (gst_video_test_src_color_spec_get_type ())
151 gst_video_test_src_color_spec_get_type (void)
153 static GType video_test_src_color_spec_type = 0;
154 static const GEnumValue color_spec_types[] = {
155 {GST_VIDEO_TEST_SRC_BT601, "ITU-R Rec. BT.601", "bt601"},
156 {GST_VIDEO_TEST_SRC_BT709, "ITU-R Rec. BT.709", "bt709"},
160 if (!video_test_src_color_spec_type) {
161 video_test_src_color_spec_type =
162 g_enum_register_static ("GstVideoTestSrcColorSpec", color_spec_types);
164 return video_test_src_color_spec_type;
168 gst_video_test_src_class_init (GstVideoTestSrcClass * klass)
170 GObjectClass *gobject_class;
171 GstElementClass *gstelement_class;
172 GstBaseSrcClass *gstbasesrc_class;
173 GstPushSrcClass *gstpushsrc_class;
176 gobject_class = (GObjectClass *) klass;
177 gstelement_class = (GstElementClass *) klass;
178 gstbasesrc_class = (GstBaseSrcClass *) klass;
179 gstpushsrc_class = (GstPushSrcClass *) klass;
181 gobject_class->set_property = gst_video_test_src_set_property;
182 gobject_class->get_property = gst_video_test_src_get_property;
184 g_object_class_install_property (gobject_class, PROP_PATTERN,
185 g_param_spec_enum ("pattern", "Pattern",
186 "Type of test pattern to generate", GST_TYPE_VIDEO_TEST_SRC_PATTERN,
187 DEFAULT_PATTERN, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
188 g_object_class_install_property (gobject_class, PROP_TIMESTAMP_OFFSET,
189 g_param_spec_int64 ("timestamp-offset", "Timestamp offset",
190 "An offset added to timestamps set on buffers (in ns)", G_MININT64,
191 G_MAXINT64, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
192 g_object_class_install_property (gobject_class, PROP_IS_LIVE,
193 g_param_spec_boolean ("is-live", "Is Live",
194 "Whether to act as a live source", DEFAULT_IS_LIVE,
195 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
196 g_object_class_install_property (gobject_class, PROP_COLOR_SPEC,
197 g_param_spec_enum ("colorspec", "Color Specification",
198 "Generate video in the given color specification (Deprecated: "
199 "use a caps filter with video/x-raw-yuv,color-matrix=\"sdtv\" or "
201 GST_TYPE_VIDEO_TEST_SRC_COLOR_SPEC,
202 DEFAULT_COLOR_SPEC, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
203 g_object_class_install_property (gobject_class, PROP_K0,
204 g_param_spec_int ("k0", "Zoneplate zero order phase",
205 "Zoneplate zero order phase, for generating plain fields or phase offsets",
206 G_MININT32, G_MAXINT32, 0,
207 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
208 g_object_class_install_property (gobject_class, PROP_KX,
209 g_param_spec_int ("kx", "Zoneplate 1st order x phase",
210 "Zoneplate 1st order x phase, for generating constant horizontal frequencies",
211 G_MININT32, G_MAXINT32, 0,
212 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
213 g_object_class_install_property (gobject_class, PROP_KY,
214 g_param_spec_int ("ky", "Zoneplate 1st order y phase",
215 "Zoneplate 1st order y phase, for generating contant vertical frequencies",
216 G_MININT32, G_MAXINT32, 0,
217 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
218 g_object_class_install_property (gobject_class, PROP_KT,
219 g_param_spec_int ("kt", "Zoneplate 1st order t phase",
220 "Zoneplate 1st order t phase, for generating phase rotation as a function of time",
221 G_MININT32, G_MAXINT32, 0,
222 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
223 g_object_class_install_property (gobject_class, PROP_KXT,
224 g_param_spec_int ("kxt", "Zoneplate x*t product phase",
225 "Zoneplate x*t product phase, normalised to kxy/256 cycles per vertical pixel at width/2 from origin",
226 G_MININT32, G_MAXINT32, 0,
227 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
228 g_object_class_install_property (gobject_class, PROP_KYT,
229 g_param_spec_int ("kyt", "Zoneplate y*t product phase",
230 "Zoneplate y*t product phase", G_MININT32, G_MAXINT32, 0,
231 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
232 g_object_class_install_property (gobject_class, PROP_KXY,
233 g_param_spec_int ("kxy", "Zoneplate x*y product phase",
234 "Zoneplate x*y product phase", G_MININT32, G_MAXINT32, 0,
235 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
236 g_object_class_install_property (gobject_class, PROP_KX2,
237 g_param_spec_int ("kx2", "Zoneplate 2nd order x phase",
238 "Zoneplate 2nd order x phase, normalised to kx2/256 cycles per horizontal pixel at width/2 from origin",
239 G_MININT32, G_MAXINT32, 0,
240 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
241 g_object_class_install_property (gobject_class, PROP_KY2,
242 g_param_spec_int ("ky2", "Zoneplate 2nd order y phase",
243 "Zoneplate 2nd order y phase, normailsed to ky2/256 cycles per vertical pixel at height/2 from origin",
244 G_MININT32, G_MAXINT32, 0,
245 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
246 g_object_class_install_property (gobject_class, PROP_KT2,
247 g_param_spec_int ("kt2", "Zoneplate 2nd order t phase",
248 "Zoneplate 2nd order t phase, t*t/256 cycles per picture", G_MININT32,
249 G_MAXINT32, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
250 g_object_class_install_property (gobject_class, PROP_XOFFSET,
251 g_param_spec_int ("xoffset", "Zoneplate 2nd order products x offset",
252 "Zoneplate 2nd order products x offset", G_MININT32, G_MAXINT32, 0,
253 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
254 g_object_class_install_property (gobject_class, PROP_YOFFSET,
255 g_param_spec_int ("yoffset", "Zoneplate 2nd order products y offset",
256 "Zoneplate 2nd order products y offset", G_MININT32, G_MAXINT32, 0,
257 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
259 * GstVideoTestSrc:foreground-color
261 * Color to use for solid-color pattern and foreground color of other
262 * patterns. Default is white (0xffffffff).
266 g_object_class_install_property (gobject_class, PROP_FOREGROUND_COLOR,
267 g_param_spec_uint ("foreground-color", "Foreground Color",
268 "Foreground color to use (big-endian ARGB)", 0, G_MAXUINT32,
269 DEFAULT_FOREGROUND_COLOR,
270 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
272 * GstVideoTestSrc:background-color
274 * Color to use for background color of some patterns. Default is
275 * black (0xff000000).
279 g_object_class_install_property (gobject_class, PROP_BACKGROUND_COLOR,
280 g_param_spec_uint ("background-color", "Background Color",
281 "Background color to use (big-endian ARGB)", 0, G_MAXUINT32,
282 DEFAULT_BACKGROUND_COLOR,
283 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
285 g_object_class_install_property (gobject_class, PROP_HORIZONTAL_SPEED,
286 g_param_spec_int ("horizontal-speed", "Horizontal Speed",
287 "Scroll image number of pixels per frame (positive is scroll to the left)",
288 G_MININT32, G_MAXINT32, DEFAULT_HORIZONTAL_SPEED,
289 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
291 gst_element_class_set_details_simple (gstelement_class,
292 "Video test source", "Source/Video",
293 "Creates a test video stream", "David A. Schleef <ds@schleef.org>");
295 templ_caps = gst_video_test_src_getcaps (NULL, NULL);
296 gst_element_class_add_pad_template (gstelement_class,
297 gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, templ_caps));
298 gst_caps_unref (templ_caps);
300 gstbasesrc_class->get_caps = gst_video_test_src_getcaps;
301 gstbasesrc_class->set_caps = gst_video_test_src_setcaps;
302 gstbasesrc_class->is_seekable = gst_video_test_src_is_seekable;
303 gstbasesrc_class->do_seek = gst_video_test_src_do_seek;
304 gstbasesrc_class->query = gst_video_test_src_query;
305 gstbasesrc_class->get_times = gst_video_test_src_get_times;
306 gstbasesrc_class->start = gst_video_test_src_start;
307 gstbasesrc_class->setup_allocation = gst_video_test_src_setup_allocation;
309 gstpushsrc_class->fill = gst_video_test_src_fill;
313 gst_video_test_src_init (GstVideoTestSrc * src)
315 GstPad *pad = GST_BASE_SRC_PAD (src);
317 gst_pad_set_fixatecaps_function (pad, gst_video_test_src_src_fixate);
319 gst_video_test_src_set_pattern (src, DEFAULT_PATTERN);
321 src->timestamp_offset = DEFAULT_TIMESTAMP_OFFSET;
322 src->foreground_color = DEFAULT_FOREGROUND_COLOR;
323 src->background_color = DEFAULT_BACKGROUND_COLOR;
324 src->horizontal_speed = DEFAULT_HORIZONTAL_SPEED;
326 /* we operate in time */
327 gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME);
328 gst_base_src_set_live (GST_BASE_SRC (src), DEFAULT_IS_LIVE);
332 gst_video_test_src_src_fixate (GstPad * pad, GstCaps * caps)
334 GstStructure *structure;
336 structure = gst_caps_get_structure (caps, 0);
338 gst_structure_fixate_field_nearest_int (structure, "width", 320);
339 gst_structure_fixate_field_nearest_int (structure, "height", 240);
340 gst_structure_fixate_field_nearest_fraction (structure, "framerate", 30, 1);
341 if (gst_structure_has_field (structure, "pixel-aspect-ratio"))
342 gst_structure_fixate_field_nearest_fraction (structure,
343 "pixel-aspect-ratio", 1, 1);
344 if (gst_structure_has_field (structure, "color-matrix"))
345 gst_structure_fixate_field_string (structure, "color-matrix", "sdtv");
346 if (gst_structure_has_field (structure, "chroma-site"))
347 gst_structure_fixate_field_string (structure, "chroma-site", "mpeg2");
349 if (gst_structure_has_field (structure, "interlaced"))
350 gst_structure_fixate_field_boolean (structure, "interlaced", FALSE);
354 gst_video_test_src_set_pattern (GstVideoTestSrc * videotestsrc,
357 videotestsrc->pattern_type = pattern_type;
359 GST_DEBUG_OBJECT (videotestsrc, "setting pattern to %d", pattern_type);
361 switch (pattern_type) {
362 case GST_VIDEO_TEST_SRC_SMPTE:
363 videotestsrc->make_image = gst_video_test_src_smpte;
365 case GST_VIDEO_TEST_SRC_SNOW:
366 videotestsrc->make_image = gst_video_test_src_snow;
368 case GST_VIDEO_TEST_SRC_BLACK:
369 videotestsrc->make_image = gst_video_test_src_black;
371 case GST_VIDEO_TEST_SRC_WHITE:
372 videotestsrc->make_image = gst_video_test_src_white;
374 case GST_VIDEO_TEST_SRC_RED:
375 videotestsrc->make_image = gst_video_test_src_red;
377 case GST_VIDEO_TEST_SRC_GREEN:
378 videotestsrc->make_image = gst_video_test_src_green;
380 case GST_VIDEO_TEST_SRC_BLUE:
381 videotestsrc->make_image = gst_video_test_src_blue;
383 case GST_VIDEO_TEST_SRC_CHECKERS1:
384 videotestsrc->make_image = gst_video_test_src_checkers1;
386 case GST_VIDEO_TEST_SRC_CHECKERS2:
387 videotestsrc->make_image = gst_video_test_src_checkers2;
389 case GST_VIDEO_TEST_SRC_CHECKERS4:
390 videotestsrc->make_image = gst_video_test_src_checkers4;
392 case GST_VIDEO_TEST_SRC_CHECKERS8:
393 videotestsrc->make_image = gst_video_test_src_checkers8;
395 case GST_VIDEO_TEST_SRC_CIRCULAR:
396 videotestsrc->make_image = gst_video_test_src_circular;
398 case GST_VIDEO_TEST_SRC_BLINK:
399 videotestsrc->make_image = gst_video_test_src_blink;
401 case GST_VIDEO_TEST_SRC_SMPTE75:
402 videotestsrc->make_image = gst_video_test_src_smpte75;
404 case GST_VIDEO_TEST_SRC_ZONE_PLATE:
405 videotestsrc->make_image = gst_video_test_src_zoneplate;
407 case GST_VIDEO_TEST_SRC_GAMUT:
408 videotestsrc->make_image = gst_video_test_src_gamut;
410 case GST_VIDEO_TEST_SRC_CHROMA_ZONE_PLATE:
411 videotestsrc->make_image = gst_video_test_src_chromazoneplate;
413 case GST_VIDEO_TEST_SRC_SOLID:
414 videotestsrc->make_image = gst_video_test_src_solid;
416 case GST_VIDEO_TEST_SRC_BALL:
417 videotestsrc->make_image = gst_video_test_src_ball;
419 case GST_VIDEO_TEST_SRC_SMPTE100:
420 videotestsrc->make_image = gst_video_test_src_smpte100;
422 case GST_VIDEO_TEST_SRC_BAR:
423 videotestsrc->make_image = gst_video_test_src_bar;
426 g_assert_not_reached ();
431 gst_video_test_src_set_property (GObject * object, guint prop_id,
432 const GValue * value, GParamSpec * pspec)
434 GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (object);
438 gst_video_test_src_set_pattern (src, g_value_get_enum (value));
440 case PROP_TIMESTAMP_OFFSET:
441 src->timestamp_offset = g_value_get_int64 (value);
444 gst_base_src_set_live (GST_BASE_SRC (src), g_value_get_boolean (value));
446 case PROP_COLOR_SPEC:
449 src->k0 = g_value_get_int (value);
452 src->kx = g_value_get_int (value);
455 src->ky = g_value_get_int (value);
458 src->kt = g_value_get_int (value);
461 src->kxt = g_value_get_int (value);
464 src->kyt = g_value_get_int (value);
467 src->kxy = g_value_get_int (value);
470 src->kx2 = g_value_get_int (value);
473 src->ky2 = g_value_get_int (value);
476 src->kt2 = g_value_get_int (value);
479 src->xoffset = g_value_get_int (value);
482 src->yoffset = g_value_get_int (value);
484 case PROP_FOREGROUND_COLOR:
485 src->foreground_color = g_value_get_uint (value);
487 case PROP_BACKGROUND_COLOR:
488 src->background_color = g_value_get_uint (value);
490 case PROP_HORIZONTAL_SPEED:
491 src->horizontal_speed = g_value_get_int (value);
498 gst_video_test_src_get_property (GObject * object, guint prop_id,
499 GValue * value, GParamSpec * pspec)
501 GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (object);
505 g_value_set_enum (value, src->pattern_type);
507 case PROP_TIMESTAMP_OFFSET:
508 g_value_set_int64 (value, src->timestamp_offset);
511 g_value_set_boolean (value, gst_base_src_is_live (GST_BASE_SRC (src)));
513 case PROP_COLOR_SPEC:
516 g_value_set_int (value, src->k0);
519 g_value_set_int (value, src->kx);
522 g_value_set_int (value, src->ky);
525 g_value_set_int (value, src->kt);
528 g_value_set_int (value, src->kxt);
531 g_value_set_int (value, src->kyt);
534 g_value_set_int (value, src->kxy);
537 g_value_set_int (value, src->kx2);
540 g_value_set_int (value, src->ky2);
543 g_value_set_int (value, src->kt2);
546 g_value_set_int (value, src->xoffset);
549 g_value_set_int (value, src->yoffset);
551 case PROP_FOREGROUND_COLOR:
552 g_value_set_uint (value, src->foreground_color);
554 case PROP_BACKGROUND_COLOR:
555 g_value_set_uint (value, src->background_color);
557 case PROP_HORIZONTAL_SPEED:
558 g_value_set_int (value, src->horizontal_speed);
561 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
566 /* threadsafe because this gets called as the plugin is loaded */
568 gst_video_test_src_getcaps (GstBaseSrc * bsrc, GstCaps * filter)
570 static GstCaps *capslist = NULL;
574 GstStructure *structure;
577 caps = gst_caps_new_empty ();
578 for (i = 0; i < n_formats; i++) {
579 structure = paint_get_structure (format_list + i);
580 gst_structure_set (structure,
581 "width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
582 "height", GST_TYPE_INT_RANGE, 1, G_MAXINT,
583 "framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
584 gst_caps_append_structure (caps, structure);
591 return gst_caps_intersect_full (filter, capslist, GST_CAPS_INTERSECT_FIRST);
593 return gst_caps_ref (capslist);
597 gst_video_test_src_parse_caps (const GstCaps * caps,
598 gint * width, gint * height, gint * rate_numerator, gint * rate_denominator,
599 struct format_list_struct **format, GstVideoTestSrcColorSpec * color_spec)
601 const GstStructure *structure;
602 GstPadLinkReturn ret;
603 const GValue *framerate;
606 GST_DEBUG ("parsing caps");
608 if (gst_caps_get_size (caps) < 1)
611 structure = gst_caps_get_structure (caps, 0);
613 if (!(*format = paintinfo_find_by_structure (structure)))
616 ret = gst_structure_get_int (structure, "width", width);
617 ret &= gst_structure_get_int (structure, "height", height);
618 framerate = gst_structure_get_value (structure, "framerate");
621 *rate_numerator = gst_value_get_fraction_numerator (framerate);
622 *rate_denominator = gst_value_get_fraction_denominator (framerate);
626 csp = gst_structure_get_string (structure, "color-matrix");
628 if (strcmp (csp, "sdtv") == 0) {
629 *color_spec = GST_VIDEO_TEST_SRC_BT601;
630 } else if (strcmp (csp, "hdtv") == 0) {
631 *color_spec = GST_VIDEO_TEST_SRC_BT709;
633 GST_DEBUG ("unknown color-matrix");
637 *color_spec = GST_VIDEO_TEST_SRC_BT601;
645 GST_DEBUG ("videotestsrc format not found");
650 GST_DEBUG ("videotestsrc no framerate given");
656 gst_video_test_src_setup_allocation (GstBaseSrc * bsrc, GstQuery * query)
658 GstVideoTestSrc *videotestsrc;
660 guint size, min, max, prefix, alignment;
662 videotestsrc = GST_VIDEO_TEST_SRC (bsrc);
664 gst_query_parse_allocation_params (query, &size, &min, &max, &prefix,
668 size = MAX (size, videotestsrc->size);
670 gst_query_set_allocation_params (query, size, min, max, prefix,
677 gst_video_test_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps)
680 gint width, height, rate_denominator, rate_numerator;
681 struct format_list_struct *format;
682 GstVideoTestSrc *videotestsrc;
683 GstVideoTestSrcColorSpec color_spec;
685 videotestsrc = GST_VIDEO_TEST_SRC (bsrc);
687 res = gst_video_test_src_parse_caps (caps, &width, &height,
688 &rate_numerator, &rate_denominator, &format, &color_spec);
693 videotestsrc->format = format;
694 videotestsrc->width = width;
695 videotestsrc->height = height;
696 videotestsrc->rate_numerator = rate_numerator;
697 videotestsrc->rate_denominator = rate_denominator;
698 videotestsrc->bpp = videotestsrc->format->bitspp;
699 videotestsrc->color_spec = color_spec;
701 gst_video_test_src_get_size (videotestsrc, width, height);
703 GST_DEBUG_OBJECT (videotestsrc, "size %dx%d, %d/%d fps",
704 videotestsrc->width, videotestsrc->height,
705 videotestsrc->rate_numerator, videotestsrc->rate_denominator);
712 GST_DEBUG_OBJECT (bsrc, "failed to parse caps");
718 gst_video_test_src_query (GstBaseSrc * bsrc, GstQuery * query)
721 GstVideoTestSrc *src;
723 src = GST_VIDEO_TEST_SRC (bsrc);
725 switch (GST_QUERY_TYPE (query)) {
726 case GST_QUERY_CONVERT:
728 GstFormat src_fmt, dest_fmt;
729 gint64 src_val, dest_val;
731 gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
732 if (src_fmt == dest_fmt) {
738 case GST_FORMAT_DEFAULT:
740 case GST_FORMAT_TIME:
742 if (src->rate_numerator) {
743 dest_val = gst_util_uint64_scale (src_val,
744 src->rate_denominator * GST_SECOND, src->rate_numerator);
753 case GST_FORMAT_TIME:
755 case GST_FORMAT_DEFAULT:
757 if (src->rate_numerator) {
758 dest_val = gst_util_uint64_scale (src_val,
759 src->rate_numerator, src->rate_denominator * GST_SECOND);
772 gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
777 res = GST_BASE_SRC_CLASS (parent_class)->query (bsrc, query);
784 GST_DEBUG_OBJECT (src, "query failed");
790 gst_video_test_src_get_times (GstBaseSrc * basesrc, GstBuffer * buffer,
791 GstClockTime * start, GstClockTime * end)
793 /* for live sources, sync on the timestamp of the buffer */
794 if (gst_base_src_is_live (basesrc)) {
795 GstClockTime timestamp = GST_BUFFER_TIMESTAMP (buffer);
797 if (GST_CLOCK_TIME_IS_VALID (timestamp)) {
798 /* get duration to calculate end time */
799 GstClockTime duration = GST_BUFFER_DURATION (buffer);
801 if (GST_CLOCK_TIME_IS_VALID (duration)) {
802 *end = timestamp + duration;
813 gst_video_test_src_do_seek (GstBaseSrc * bsrc, GstSegment * segment)
815 GstClockTime position;
816 GstVideoTestSrc *src;
818 src = GST_VIDEO_TEST_SRC (bsrc);
820 segment->time = segment->start;
821 position = segment->position;
823 /* now move to the position indicated */
824 if (src->rate_numerator) {
825 src->n_frames = gst_util_uint64_scale (position,
826 src->rate_numerator, src->rate_denominator * GST_SECOND);
830 if (src->rate_numerator) {
831 src->running_time = gst_util_uint64_scale (src->n_frames,
832 src->rate_denominator * GST_SECOND, src->rate_numerator);
834 /* FIXME : Not sure what to set here */
835 src->running_time = 0;
838 g_assert (src->running_time <= position);
844 gst_video_test_src_is_seekable (GstBaseSrc * psrc)
846 /* we're seekable... */
851 gst_video_test_src_fill (GstPushSrc * psrc, GstBuffer * buffer)
853 GstVideoTestSrc *src;
855 GstClockTime next_time;
858 src = GST_VIDEO_TEST_SRC (psrc);
860 if (G_UNLIKELY (src->format == NULL))
863 /* 0 framerate and we are at the second frame, eos */
864 if (G_UNLIKELY (src->rate_numerator == 0 && src->n_frames == 1))
868 "creating buffer from pool for frame %d", (gint) src->n_frames);
870 data = gst_buffer_map (buffer, &size, NULL, GST_MAP_WRITE);
871 memset (data, 0, size);
872 src->tmpline_u8 = g_malloc (src->width + 8);
873 src->tmpline = g_malloc ((src->width + 8) * 4);
874 src->tmpline2 = g_malloc ((src->width + 8) * 4);
876 src->make_image (src, (void *) data, src->width, src->height);
877 gst_buffer_unmap (buffer, data, size);
879 g_free (src->tmpline);
880 g_free (src->tmpline2);
881 g_free (src->tmpline_u8);
883 GST_BUFFER_TIMESTAMP (buffer) = src->timestamp_offset + src->running_time;
884 GST_BUFFER_OFFSET (buffer) = src->n_frames;
886 GST_BUFFER_OFFSET_END (buffer) = src->n_frames;
887 if (src->rate_numerator) {
888 next_time = gst_util_uint64_scale_int (src->n_frames * GST_SECOND,
889 src->rate_denominator, src->rate_numerator);
890 GST_BUFFER_DURATION (buffer) = next_time - src->running_time;
892 next_time = src->timestamp_offset;
893 /* NONE means forever */
894 GST_BUFFER_DURATION (buffer) = GST_CLOCK_TIME_NONE;
897 src->running_time = next_time;
903 GST_ELEMENT_ERROR (src, CORE, NEGOTIATION, (NULL),
904 ("format wasn't negotiated before get function"));
905 return GST_FLOW_NOT_NEGOTIATED;
909 GST_DEBUG_OBJECT (src, "eos: 0 framerate, frame %d", (gint) src->n_frames);
910 return GST_FLOW_UNEXPECTED;
915 gst_video_test_src_start (GstBaseSrc * basesrc)
917 GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (basesrc);
919 src->running_time = 0;
926 plugin_init (GstPlugin * plugin)
928 gst_videotestsrc_orc_init ();
930 GST_DEBUG_CATEGORY_INIT (video_test_src_debug, "videotestsrc", 0,
931 "Video Test Source");
933 return gst_element_register (plugin, "videotestsrc", GST_RANK_NONE,
934 GST_TYPE_VIDEO_TEST_SRC);
937 GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
940 "Creates a test video stream",
941 plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)