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gstreamer/gst/videotestsrc/gstvideotestsrc.c
Stéphane Cerveau b4905798bb videotestsrc: allow per feature registration 
Split plugin into features including
dynamic types which can be indiviually
registered during a static build.

More details here:

https://gitlab.freedesktop.org/gstreamer/gst-build/-/merge_requests/199
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/661

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1029>
2021-03-16 17:59:00 +00:00

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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) <2002> David A. Schleef <ds@schleef.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/**
* SECTION:element-videotestsrc
* @title: videotestsrc
*
* The videotestsrc element is used to produce test video data in a wide variety
* of formats. The video test data produced can be controlled with the "pattern"
* property.
*
* By default the videotestsrc will generate data indefinitely, but if the
* #GstBaseSrc:num-buffers property is non-zero it will instead generate a
* fixed number of video frames and then send EOS.
*
* ## Example launch line
* |[
* gst-launch-1.0 -v videotestsrc pattern=snow ! video/x-raw,width=1280,height=720 ! autovideosink
* ]|
* Shows random noise in a video window.
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstvideotestsrc.h"
#include "gstvideotestsrcorc.h"
#include "videotestsrc.h"
#include <string.h>
#include <stdlib.h>
GST_DEBUG_CATEGORY_STATIC (video_test_src_debug);
#define GST_CAT_DEFAULT video_test_src_debug
#define DEFAULT_PATTERN GST_VIDEO_TEST_SRC_SMPTE
#define DEFAULT_ANIMATION_MODE GST_VIDEO_TEST_SRC_FRAMES
#define DEFAULT_MOTION_TYPE GST_VIDEO_TEST_SRC_WAVY
#define DEFAULT_FLIP FALSE
#define DEFAULT_TIMESTAMP_OFFSET 0
#define DEFAULT_IS_LIVE FALSE
#define DEFAULT_COLOR_SPEC GST_VIDEO_TEST_SRC_BT601
#define DEFAULT_FOREGROUND_COLOR 0xffffffff
#define DEFAULT_BACKGROUND_COLOR 0xff000000
#define DEFAULT_HORIZONTAL_SPEED 0
enum
{
PROP_0,
PROP_PATTERN,
PROP_TIMESTAMP_OFFSET,
PROP_IS_LIVE,
PROP_K0,
PROP_KX,
PROP_KY,
PROP_KT,
PROP_KXT,
PROP_KYT,
PROP_KXY,
PROP_KX2,
PROP_KY2,
PROP_KT2,
PROP_XOFFSET,
PROP_YOFFSET,
PROP_FOREGROUND_COLOR,
PROP_BACKGROUND_COLOR,
PROP_HORIZONTAL_SPEED,
PROP_ANIMATION_MODE,
PROP_MOTION_TYPE,
PROP_FLIP,
PROP_LAST
};
#define VTS_VIDEO_CAPS GST_VIDEO_CAPS_MAKE (GST_VIDEO_FORMATS_ALL) "," \
"multiview-mode = { mono, left, right }" \
";" \
"video/x-bayer, format=(string) { bggr, rggb, grbg, gbrg }, " \
"width = " GST_VIDEO_SIZE_RANGE ", " \
"height = " GST_VIDEO_SIZE_RANGE ", " \
"framerate = " GST_VIDEO_FPS_RANGE ", " \
"multiview-mode = { mono, left, right }"
static GstStaticPadTemplate gst_video_test_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (VTS_VIDEO_CAPS)
);
#define gst_video_test_src_parent_class parent_class
G_DEFINE_TYPE (GstVideoTestSrc, gst_video_test_src, GST_TYPE_PUSH_SRC);
GST_ELEMENT_REGISTER_DEFINE (videotestsrc, "videotestsrc",
GST_RANK_NONE, GST_TYPE_VIDEO_TEST_SRC);
static void gst_video_test_src_set_pattern (GstVideoTestSrc * videotestsrc,
int pattern_type);
static void gst_video_test_src_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_video_test_src_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static gboolean gst_video_test_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps);
static GstCaps *gst_video_test_src_src_fixate (GstBaseSrc * bsrc,
GstCaps * caps);
static gboolean gst_video_test_src_is_seekable (GstBaseSrc * psrc);
static gboolean gst_video_test_src_do_seek (GstBaseSrc * bsrc,
GstSegment * segment);
static gboolean gst_video_test_src_query (GstBaseSrc * bsrc, GstQuery * query);
static void gst_video_test_src_get_times (GstBaseSrc * basesrc,
GstBuffer * buffer, GstClockTime * start, GstClockTime * end);
static gboolean gst_video_test_src_decide_allocation (GstBaseSrc * bsrc,
GstQuery * query);
static GstFlowReturn gst_video_test_src_fill (GstPushSrc * psrc,
GstBuffer * buffer);
static gboolean gst_video_test_src_start (GstBaseSrc * basesrc);
static gboolean gst_video_test_src_stop (GstBaseSrc * basesrc);
#define GST_TYPE_VIDEO_TEST_SRC_PATTERN (gst_video_test_src_pattern_get_type ())
static GType
gst_video_test_src_pattern_get_type (void)
{
static GType video_test_src_pattern_type = 0;
static const GEnumValue pattern_types[] = {
{GST_VIDEO_TEST_SRC_SMPTE, "SMPTE 100% color bars", "smpte"},
{GST_VIDEO_TEST_SRC_SNOW, "Random (television snow)", "snow"},
{GST_VIDEO_TEST_SRC_BLACK, "100% Black", "black"},
{GST_VIDEO_TEST_SRC_WHITE, "100% White", "white"},
{GST_VIDEO_TEST_SRC_RED, "Red", "red"},
{GST_VIDEO_TEST_SRC_GREEN, "Green", "green"},
{GST_VIDEO_TEST_SRC_BLUE, "Blue", "blue"},
{GST_VIDEO_TEST_SRC_CHECKERS1, "Checkers 1px", "checkers-1"},
{GST_VIDEO_TEST_SRC_CHECKERS2, "Checkers 2px", "checkers-2"},
{GST_VIDEO_TEST_SRC_CHECKERS4, "Checkers 4px", "checkers-4"},
{GST_VIDEO_TEST_SRC_CHECKERS8, "Checkers 8px", "checkers-8"},
{GST_VIDEO_TEST_SRC_CIRCULAR, "Circular", "circular"},
{GST_VIDEO_TEST_SRC_BLINK, "Blink", "blink"},
{GST_VIDEO_TEST_SRC_SMPTE75, "SMPTE 75% color bars", "smpte75"},
{GST_VIDEO_TEST_SRC_ZONE_PLATE, "Zone plate", "zone-plate"},
{GST_VIDEO_TEST_SRC_GAMUT, "Gamut checkers", "gamut"},
{GST_VIDEO_TEST_SRC_CHROMA_ZONE_PLATE, "Chroma zone plate",
"chroma-zone-plate"},
{GST_VIDEO_TEST_SRC_SOLID, "Solid color", "solid-color"},
{GST_VIDEO_TEST_SRC_BALL, "Moving ball", "ball"},
{GST_VIDEO_TEST_SRC_SMPTE100, "SMPTE 100% color bars", "smpte100"},
{GST_VIDEO_TEST_SRC_BAR, "Bar", "bar"},
{GST_VIDEO_TEST_SRC_PINWHEEL, "Pinwheel", "pinwheel"},
{GST_VIDEO_TEST_SRC_SPOKES, "Spokes", "spokes"},
{GST_VIDEO_TEST_SRC_GRADIENT, "Gradient", "gradient"},
{GST_VIDEO_TEST_SRC_COLORS, "Colors", "colors"},
{0, NULL, NULL}
};
if (!video_test_src_pattern_type) {
video_test_src_pattern_type =
g_enum_register_static ("GstVideoTestSrcPattern", pattern_types);
}
return video_test_src_pattern_type;
}
/*"animation-mode", which can
* take the following values: frames (current behaviour that should stay the
* default), running time, wall clock time.
*/
#define GST_TYPE_VIDEO_TEST_SRC_ANIMATION_MODE (gst_video_test_src_animation_mode_get_type ())
static GType
gst_video_test_src_animation_mode_get_type (void)
{
static GType video_test_src_animation_mode = 0;
static const GEnumValue animation_modes[] = {
{GST_VIDEO_TEST_SRC_FRAMES, "frame count", "frames"},
{GST_VIDEO_TEST_SRC_WALL_TIME, "wall clock time", "wall-time"},
{GST_VIDEO_TEST_SRC_RUNNING_TIME, "running time", "running-time"},
{0, NULL, NULL}
};
if (!video_test_src_animation_mode) {
video_test_src_animation_mode =
g_enum_register_static ("GstVideoTestSrcAnimationMode",
animation_modes);
}
return video_test_src_animation_mode;
}
#define GST_TYPE_VIDEO_TEST_SRC_MOTION_TYPE (gst_video_test_src_motion_type_get_type ())
static GType
gst_video_test_src_motion_type_get_type (void)
{
static GType video_test_src_motion_type = 0;
static const GEnumValue motion_types[] = {
{GST_VIDEO_TEST_SRC_WAVY, "Ball waves back and forth, up and down",
"wavy"},
{GST_VIDEO_TEST_SRC_SWEEP, "1 revolution per second", "sweep"},
{GST_VIDEO_TEST_SRC_HSWEEP, "1/2 revolution per second, then reset to top",
"hsweep"},
{0, NULL, NULL}
};
if (!video_test_src_motion_type) {
video_test_src_motion_type =
g_enum_register_static ("GstVideoTestSrcMotionType", motion_types);
}
return video_test_src_motion_type;
}
static void
gst_video_test_src_class_init (GstVideoTestSrcClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseSrcClass *gstbasesrc_class;
GstPushSrcClass *gstpushsrc_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasesrc_class = (GstBaseSrcClass *) klass;
gstpushsrc_class = (GstPushSrcClass *) klass;
gobject_class->set_property = gst_video_test_src_set_property;
gobject_class->get_property = gst_video_test_src_get_property;
g_object_class_install_property (gobject_class, PROP_PATTERN,
g_param_spec_enum ("pattern", "Pattern",
"Type of test pattern to generate", GST_TYPE_VIDEO_TEST_SRC_PATTERN,
DEFAULT_PATTERN, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_ANIMATION_MODE,
g_param_spec_enum ("animation-mode", "Animation mode",
"For pattern=ball, which counter defines the position of the ball.",
GST_TYPE_VIDEO_TEST_SRC_ANIMATION_MODE, DEFAULT_ANIMATION_MODE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_MOTION_TYPE,
g_param_spec_enum ("motion", "Motion",
"For pattern=ball, what motion the ball does",
GST_TYPE_VIDEO_TEST_SRC_MOTION_TYPE, DEFAULT_MOTION_TYPE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_FLIP,
g_param_spec_boolean ("flip", "Flip",
"For pattern=ball, invert colors every second.",
DEFAULT_FLIP, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_TIMESTAMP_OFFSET,
g_param_spec_int64 ("timestamp-offset", "Timestamp offset",
"An offset added to timestamps set on buffers (in ns)", 0,
(G_MAXLONG == G_MAXINT64) ? G_MAXINT64 : (G_MAXLONG * GST_SECOND - 1),
0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_IS_LIVE,
g_param_spec_boolean ("is-live", "Is Live",
"Whether to act as a live source", DEFAULT_IS_LIVE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_K0,
g_param_spec_int ("k0", "Zoneplate zero order phase",
"Zoneplate zero order phase, for generating plain fields or phase offsets",
G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KX,
g_param_spec_int ("kx", "Zoneplate 1st order x phase",
"Zoneplate 1st order x phase, for generating constant horizontal frequencies",
G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KY,
g_param_spec_int ("ky", "Zoneplate 1st order y phase",
"Zoneplate 1st order y phase, for generating content vertical frequencies",
G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KT,
g_param_spec_int ("kt", "Zoneplate 1st order t phase",
"Zoneplate 1st order t phase, for generating phase rotation as a function of time",
G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KXT,
g_param_spec_int ("kxt", "Zoneplate x*t product phase",
"Zoneplate x*t product phase, normalised to kxy/256 cycles per vertical pixel at width/2 from origin",
G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KYT,
g_param_spec_int ("kyt", "Zoneplate y*t product phase",
"Zoneplate y*t product phase", G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KXY,
g_param_spec_int ("kxy", "Zoneplate x*y product phase",
"Zoneplate x*y product phase", G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KX2,
g_param_spec_int ("kx2", "Zoneplate 2nd order x phase",
"Zoneplate 2nd order x phase, normalised to kx2/256 cycles per horizontal pixel at width/2 from origin",
G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KY2,
g_param_spec_int ("ky2", "Zoneplate 2nd order y phase",
"Zoneplate 2nd order y phase, normailsed to ky2/256 cycles per vertical pixel at height/2 from origin",
G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KT2,
g_param_spec_int ("kt2", "Zoneplate 2nd order t phase",
"Zoneplate 2nd order t phase, t*t/256 cycles per picture", G_MININT32,
G_MAXINT32, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_XOFFSET,
g_param_spec_int ("xoffset", "Zoneplate 2nd order products x offset",
"Zoneplate 2nd order products x offset", G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_YOFFSET,
g_param_spec_int ("yoffset", "Zoneplate 2nd order products y offset",
"Zoneplate 2nd order products y offset", G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstVideoTestSrc:foreground-color
*
* Color to use for solid-color pattern and foreground color of other
* patterns. Default is white (0xffffffff).
*/
g_object_class_install_property (gobject_class, PROP_FOREGROUND_COLOR,
g_param_spec_uint ("foreground-color", "Foreground Color",
"Foreground color to use (big-endian ARGB)", 0, G_MAXUINT32,
DEFAULT_FOREGROUND_COLOR,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
/**
* GstVideoTestSrc:background-color
*
* Color to use for background color of some patterns. Default is
* black (0xff000000).
*/
g_object_class_install_property (gobject_class, PROP_BACKGROUND_COLOR,
g_param_spec_uint ("background-color", "Background Color",
"Background color to use (big-endian ARGB)", 0, G_MAXUINT32,
DEFAULT_BACKGROUND_COLOR,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_HORIZONTAL_SPEED,
g_param_spec_int ("horizontal-speed", "Horizontal Speed",
"Scroll image number of pixels per frame (positive is scroll to the left)",
G_MININT32, G_MAXINT32, DEFAULT_HORIZONTAL_SPEED,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_static_metadata (gstelement_class,
"Video test source", "Source/Video",
"Creates a test video stream", "David A. Schleef <ds@schleef.org>");
gst_element_class_add_static_pad_template (gstelement_class,
&gst_video_test_src_template);
gstbasesrc_class->set_caps = gst_video_test_src_setcaps;
gstbasesrc_class->fixate = gst_video_test_src_src_fixate;
gstbasesrc_class->is_seekable = gst_video_test_src_is_seekable;
gstbasesrc_class->do_seek = gst_video_test_src_do_seek;
gstbasesrc_class->query = gst_video_test_src_query;
gstbasesrc_class->get_times = gst_video_test_src_get_times;
gstbasesrc_class->start = gst_video_test_src_start;
gstbasesrc_class->stop = gst_video_test_src_stop;
gstbasesrc_class->decide_allocation = gst_video_test_src_decide_allocation;
gstpushsrc_class->fill = gst_video_test_src_fill;
gst_type_mark_as_plugin_api (GST_TYPE_VIDEO_TEST_SRC_ANIMATION_MODE, 0);
gst_type_mark_as_plugin_api (GST_TYPE_VIDEO_TEST_SRC_MOTION_TYPE, 0);
gst_type_mark_as_plugin_api (GST_TYPE_VIDEO_TEST_SRC_PATTERN, 0);
}
static void
gst_video_test_src_init (GstVideoTestSrc * src)
{
gst_video_test_src_set_pattern (src, DEFAULT_PATTERN);
src->timestamp_offset = DEFAULT_TIMESTAMP_OFFSET;
src->foreground_color = DEFAULT_FOREGROUND_COLOR;
src->background_color = DEFAULT_BACKGROUND_COLOR;
src->horizontal_speed = DEFAULT_HORIZONTAL_SPEED;
src->random_state = 0;
/* we operate in time */
gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME);
gst_base_src_set_live (GST_BASE_SRC (src), DEFAULT_IS_LIVE);
src->animation_mode = DEFAULT_ANIMATION_MODE;
src->motion_type = DEFAULT_MOTION_TYPE;
src->flip = DEFAULT_FLIP;
}
static GstCaps *
gst_video_test_src_src_fixate (GstBaseSrc * bsrc, GstCaps * caps)
{
GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (bsrc);
GstStructure *structure;
/* Check if foreground color has alpha, if it is the case,
* force color format with an alpha channel downstream */
if (src->foreground_color >> 24 != 255) {
guint i;
GstCaps *alpha_only_caps = gst_caps_new_empty ();
for (i = 0; i < gst_caps_get_size (caps); i++) {
const GstVideoFormatInfo *info;
const GValue *formats =
gst_structure_get_value (gst_caps_get_structure (caps, i),
"format");
if (GST_VALUE_HOLDS_LIST (formats)) {
GValue possible_formats = { 0, };
guint list_size = gst_value_list_get_size (formats);
guint index;
g_value_init (&possible_formats, GST_TYPE_LIST);
for (index = 0; index < list_size; index++) {
const GValue *list_item = gst_value_list_get_value (formats, index);
info =
gst_video_format_get_info (gst_video_format_from_string
(g_value_get_string (list_item)));
if (GST_VIDEO_FORMAT_INFO_HAS_ALPHA (info)) {
GValue tmp = { 0, };
gst_value_init_and_copy (&tmp, list_item);
gst_value_list_append_value (&possible_formats, &tmp);
}
}
if (gst_value_list_get_size (&possible_formats)) {
GstStructure *astruct =
gst_structure_copy (gst_caps_get_structure (caps, i));
gst_structure_set_value (astruct, "format", &possible_formats);
gst_caps_append_structure (alpha_only_caps, astruct);
}
} else if (G_VALUE_HOLDS_STRING (formats)) {
info =
gst_video_format_get_info (gst_video_format_from_string
(g_value_get_string (formats)));
if (GST_VIDEO_FORMAT_INFO_HAS_ALPHA (info)) {
gst_caps_append_structure (alpha_only_caps,
gst_structure_copy (gst_caps_get_structure (caps, i)));
}
} else {
g_assert_not_reached ();
GST_WARNING ("Unexpected type for video 'format' field: %s",
G_VALUE_TYPE_NAME (formats));
}
}
if (gst_caps_is_empty (alpha_only_caps)) {
GST_WARNING_OBJECT (src,
"Foreground color contains alpha, but downstream can't support alpha.");
} else {
gst_caps_replace (&caps, alpha_only_caps);
}
}
caps = gst_caps_make_writable (caps);
structure = gst_caps_get_structure (caps, 0);
gst_structure_fixate_field_nearest_int (structure, "width", 320);
gst_structure_fixate_field_nearest_int (structure, "height", 240);
if (gst_structure_has_field (structure, "framerate"))
gst_structure_fixate_field_nearest_fraction (structure, "framerate", 30, 1);
else
gst_structure_set (structure, "framerate", GST_TYPE_FRACTION, 30, 1, NULL);
if (gst_structure_has_field (structure, "pixel-aspect-ratio"))
gst_structure_fixate_field_nearest_fraction (structure,
"pixel-aspect-ratio", 1, 1);
else
gst_structure_set (structure, "pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1,
NULL);
if (gst_structure_has_field (structure, "colorimetry"))
gst_structure_fixate_field_string (structure, "colorimetry", "bt601");
if (gst_structure_has_field (structure, "chroma-site"))
gst_structure_fixate_field_string (structure, "chroma-site", "mpeg2");
if (gst_structure_has_field (structure, "interlace-mode"))
gst_structure_fixate_field_string (structure, "interlace-mode",
"progressive");
else
gst_structure_set (structure, "interlace-mode", G_TYPE_STRING,
"progressive", NULL);
if (gst_structure_has_field (structure, "multiview-mode"))
gst_structure_fixate_field_string (structure, "multiview-mode",
gst_video_multiview_mode_to_caps_string
(GST_VIDEO_MULTIVIEW_MODE_MONO));
else
gst_structure_set (structure, "multiview-mode", G_TYPE_STRING,
gst_video_multiview_mode_to_caps_string (GST_VIDEO_MULTIVIEW_MODE_MONO),
NULL);
caps = GST_BASE_SRC_CLASS (parent_class)->fixate (bsrc, caps);
return caps;
}
static void
gst_video_test_src_set_pattern (GstVideoTestSrc * videotestsrc,
int pattern_type)
{
videotestsrc->pattern_type = pattern_type;
GST_DEBUG_OBJECT (videotestsrc, "setting pattern to %d", pattern_type);
switch (pattern_type) {
case GST_VIDEO_TEST_SRC_SMPTE:
videotestsrc->make_image = gst_video_test_src_smpte;
break;
case GST_VIDEO_TEST_SRC_SNOW:
videotestsrc->make_image = gst_video_test_src_snow;
break;
case GST_VIDEO_TEST_SRC_BLACK:
videotestsrc->make_image = gst_video_test_src_black;
break;
case GST_VIDEO_TEST_SRC_WHITE:
videotestsrc->make_image = gst_video_test_src_white;
break;
case GST_VIDEO_TEST_SRC_RED:
videotestsrc->make_image = gst_video_test_src_red;
break;
case GST_VIDEO_TEST_SRC_GREEN:
videotestsrc->make_image = gst_video_test_src_green;
break;
case GST_VIDEO_TEST_SRC_BLUE:
videotestsrc->make_image = gst_video_test_src_blue;
break;
case GST_VIDEO_TEST_SRC_CHECKERS1:
videotestsrc->make_image = gst_video_test_src_checkers1;
break;
case GST_VIDEO_TEST_SRC_CHECKERS2:
videotestsrc->make_image = gst_video_test_src_checkers2;
break;
case GST_VIDEO_TEST_SRC_CHECKERS4:
videotestsrc->make_image = gst_video_test_src_checkers4;
break;
case GST_VIDEO_TEST_SRC_CHECKERS8:
videotestsrc->make_image = gst_video_test_src_checkers8;
break;
case GST_VIDEO_TEST_SRC_CIRCULAR:
videotestsrc->make_image = gst_video_test_src_circular;
break;
case GST_VIDEO_TEST_SRC_BLINK:
videotestsrc->make_image = gst_video_test_src_blink;
break;
case GST_VIDEO_TEST_SRC_SMPTE75:
videotestsrc->make_image = gst_video_test_src_smpte75;
break;
case GST_VIDEO_TEST_SRC_ZONE_PLATE:
videotestsrc->make_image = gst_video_test_src_zoneplate;
break;
case GST_VIDEO_TEST_SRC_GAMUT:
videotestsrc->make_image = gst_video_test_src_gamut;
break;
case GST_VIDEO_TEST_SRC_CHROMA_ZONE_PLATE:
videotestsrc->make_image = gst_video_test_src_chromazoneplate;
break;
case GST_VIDEO_TEST_SRC_SOLID:
videotestsrc->make_image = gst_video_test_src_solid;
break;
case GST_VIDEO_TEST_SRC_BALL:
videotestsrc->make_image = gst_video_test_src_ball;
break;
case GST_VIDEO_TEST_SRC_SMPTE100:
videotestsrc->make_image = gst_video_test_src_smpte100;
break;
case GST_VIDEO_TEST_SRC_BAR:
videotestsrc->make_image = gst_video_test_src_bar;
break;
case GST_VIDEO_TEST_SRC_PINWHEEL:
videotestsrc->make_image = gst_video_test_src_pinwheel;
break;
case GST_VIDEO_TEST_SRC_SPOKES:
videotestsrc->make_image = gst_video_test_src_spokes;
break;
case GST_VIDEO_TEST_SRC_GRADIENT:
videotestsrc->make_image = gst_video_test_src_gradient;
break;
case GST_VIDEO_TEST_SRC_COLORS:
videotestsrc->make_image = gst_video_test_src_colors;
break;
default:
g_assert_not_reached ();
}
}
static void
gst_video_test_src_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (object);
switch (prop_id) {
case PROP_PATTERN:
gst_video_test_src_set_pattern (src, g_value_get_enum (value));
break;
case PROP_TIMESTAMP_OFFSET:
src->timestamp_offset = g_value_get_int64 (value);
break;
case PROP_IS_LIVE:
gst_base_src_set_live (GST_BASE_SRC (src), g_value_get_boolean (value));
break;
case PROP_K0:
src->k0 = g_value_get_int (value);
break;
case PROP_KX:
src->kx = g_value_get_int (value);
break;
case PROP_KY:
src->ky = g_value_get_int (value);
break;
case PROP_KT:
src->kt = g_value_get_int (value);
break;
case PROP_KXT:
src->kxt = g_value_get_int (value);
break;
case PROP_KYT:
src->kyt = g_value_get_int (value);
break;
case PROP_KXY:
src->kxy = g_value_get_int (value);
break;
case PROP_KX2:
src->kx2 = g_value_get_int (value);
break;
case PROP_KY2:
src->ky2 = g_value_get_int (value);
break;
case PROP_KT2:
src->kt2 = g_value_get_int (value);
break;
case PROP_XOFFSET:
src->xoffset = g_value_get_int (value);
break;
case PROP_YOFFSET:
src->yoffset = g_value_get_int (value);
break;
case PROP_FOREGROUND_COLOR:
src->foreground_color = g_value_get_uint (value);
break;
case PROP_BACKGROUND_COLOR:
src->background_color = g_value_get_uint (value);
break;
case PROP_HORIZONTAL_SPEED:
src->horizontal_speed = g_value_get_int (value);
break;
case PROP_ANIMATION_MODE:
src->animation_mode = g_value_get_enum (value);
break;
case PROP_MOTION_TYPE:
src->motion_type = g_value_get_enum (value);
break;
case PROP_FLIP:
src->flip = g_value_get_boolean (value);
break;
default:
break;
}
}
static void
gst_video_test_src_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (object);
switch (prop_id) {
case PROP_PATTERN:
g_value_set_enum (value, src->pattern_type);
break;
case PROP_TIMESTAMP_OFFSET:
g_value_set_int64 (value, src->timestamp_offset);
break;
case PROP_IS_LIVE:
g_value_set_boolean (value, gst_base_src_is_live (GST_BASE_SRC (src)));
break;
case PROP_K0:
g_value_set_int (value, src->k0);
break;
case PROP_KX:
g_value_set_int (value, src->kx);
break;
case PROP_KY:
g_value_set_int (value, src->ky);
break;
case PROP_KT:
g_value_set_int (value, src->kt);
break;
case PROP_KXT:
g_value_set_int (value, src->kxt);
break;
case PROP_KYT:
g_value_set_int (value, src->kyt);
break;
case PROP_KXY:
g_value_set_int (value, src->kxy);
break;
case PROP_KX2:
g_value_set_int (value, src->kx2);
break;
case PROP_KY2:
g_value_set_int (value, src->ky2);
break;
case PROP_KT2:
g_value_set_int (value, src->kt2);
break;
case PROP_XOFFSET:
g_value_set_int (value, src->xoffset);
break;
case PROP_YOFFSET:
g_value_set_int (value, src->yoffset);
break;
case PROP_FOREGROUND_COLOR:
g_value_set_uint (value, src->foreground_color);
break;
case PROP_BACKGROUND_COLOR:
g_value_set_uint (value, src->background_color);
break;
case PROP_HORIZONTAL_SPEED:
g_value_set_int (value, src->horizontal_speed);
break;
case PROP_ANIMATION_MODE:
g_value_set_enum (value, src->animation_mode);
break;
case PROP_MOTION_TYPE:
g_value_set_enum (value, src->motion_type);
break;
case PROP_FLIP:
g_value_set_boolean (value, src->flip);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
gst_video_test_src_parse_caps (const GstCaps * caps,
gint * width, gint * height, gint * fps_n, gint * fps_d,
GstVideoColorimetry * colorimetry, gint * x_inv, gint * y_inv)
{
const GstStructure *structure;
GstPadLinkReturn ret;
const GValue *framerate;
const gchar *str;
GST_DEBUG ("parsing caps");
structure = gst_caps_get_structure (caps, 0);
ret = gst_structure_get_int (structure, "width", width);
ret &= gst_structure_get_int (structure, "height", height);
framerate = gst_structure_get_value (structure, "framerate");
if (framerate) {
*fps_n = gst_value_get_fraction_numerator (framerate);
*fps_d = gst_value_get_fraction_denominator (framerate);
} else
goto no_framerate;
if ((str = gst_structure_get_string (structure, "colorimetry")))
gst_video_colorimetry_from_string (colorimetry, str);
if ((str = gst_structure_get_string (structure, "format"))) {
if (g_str_equal (str, "bggr")) {
*x_inv = *y_inv = 0;
} else if (g_str_equal (str, "rggb")) {
*x_inv = *y_inv = 1;
} else if (g_str_equal (str, "grbg")) {
*x_inv = 0;
*y_inv = 1;
} else if (g_str_equal (str, "gbrg")) {
*x_inv = 1;
*y_inv = 0;
} else
goto invalid_format;
}
return ret;
/* ERRORS */
no_framerate:
{
GST_DEBUG ("videotestsrc no framerate given");
return FALSE;
}
invalid_format:
{
GST_DEBUG ("videotestsrc invalid bayer format given");
return FALSE;
}
}
static gboolean
gst_video_test_src_decide_allocation (GstBaseSrc * bsrc, GstQuery * query)
{
GstVideoTestSrc *videotestsrc;
GstBufferPool *pool;
gboolean update;
guint size, min, max;
GstStructure *config;
GstCaps *caps = NULL;
videotestsrc = GST_VIDEO_TEST_SRC (bsrc);
if (gst_query_get_n_allocation_pools (query) > 0) {
gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
/* adjust size */
size = MAX (size, videotestsrc->info.size);
update = TRUE;
} else {
pool = NULL;
size = videotestsrc->info.size;
min = max = 0;
update = FALSE;
}
/* no downstream pool, make our own */
if (pool == NULL) {
if (videotestsrc->bayer)
pool = gst_buffer_pool_new ();
else
pool = gst_video_buffer_pool_new ();
}
config = gst_buffer_pool_get_config (pool);
gst_query_parse_allocation (query, &caps, NULL);
if (caps)
gst_buffer_pool_config_set_params (config, caps, size, min, max);
if (gst_query_find_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL)) {
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
}
gst_buffer_pool_set_config (pool, config);
if (update)
gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
else
gst_query_add_allocation_pool (query, pool, size, min, max);
if (pool)
gst_object_unref (pool);
return GST_BASE_SRC_CLASS (parent_class)->decide_allocation (bsrc, query);
}
static gboolean
gst_video_test_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps)
{
const GstStructure *structure;
GstVideoTestSrc *videotestsrc;
GstVideoInfo info;
guint i;
guint n_lines;
gint offset;
videotestsrc = GST_VIDEO_TEST_SRC (bsrc);
structure = gst_caps_get_structure (caps, 0);
GST_OBJECT_LOCK (videotestsrc);
if (gst_structure_has_name (structure, "video/x-raw")) {
/* we can use the parsing code */
if (!gst_video_info_from_caps (&info, caps))
goto parse_failed;
} else if (gst_structure_has_name (structure, "video/x-bayer")) {
gint x_inv = 0, y_inv = 0;
gst_video_info_init (&info);
info.finfo = gst_video_format_get_info (GST_VIDEO_FORMAT_GRAY8);
if (!gst_video_test_src_parse_caps (caps, &info.width, &info.height,
&info.fps_n, &info.fps_d, &info.colorimetry, &x_inv, &y_inv))
goto parse_failed;
info.size = GST_ROUND_UP_4 (info.width) * info.height;
info.stride[0] = GST_ROUND_UP_4 (info.width);
videotestsrc->bayer = TRUE;
videotestsrc->x_invert = x_inv;
videotestsrc->y_invert = y_inv;
} else {
goto unsupported_caps;
}
/* create chroma subsampler */
if (videotestsrc->subsample)
gst_video_chroma_resample_free (videotestsrc->subsample);
videotestsrc->subsample = gst_video_chroma_resample_new (0,
info.chroma_site, 0, info.finfo->unpack_format, -info.finfo->w_sub[2],
-info.finfo->h_sub[2]);
for (i = 0; i < videotestsrc->n_lines; i++)
g_free (videotestsrc->lines[i]);
g_free (videotestsrc->lines);
if (videotestsrc->subsample != NULL) {
gst_video_chroma_resample_get_info (videotestsrc->subsample,
&n_lines, &offset);
} else {
n_lines = 1;
offset = 0;
}
videotestsrc->lines = g_malloc (sizeof (gpointer) * n_lines);
for (i = 0; i < n_lines; i++)
videotestsrc->lines[i] = g_malloc ((info.width + 16) * 8);
videotestsrc->n_lines = n_lines;
videotestsrc->offset = offset;
/* looks ok here */
videotestsrc->info = info;
GST_DEBUG_OBJECT (videotestsrc, "size %dx%d, %d/%d fps",
info.width, info.height, info.fps_n, info.fps_d);
g_free (videotestsrc->tmpline);
g_free (videotestsrc->tmpline2);
g_free (videotestsrc->tmpline_u8);
g_free (videotestsrc->tmpline_u16);
videotestsrc->tmpline_u8 = g_malloc (info.width + 8);
videotestsrc->tmpline = g_malloc ((info.width + 8) * 4);
videotestsrc->tmpline2 = g_malloc ((info.width + 8) * 4);
videotestsrc->tmpline_u16 = g_malloc ((info.width + 16) * 8);
videotestsrc->accum_rtime += videotestsrc->running_time;
videotestsrc->accum_frames += videotestsrc->n_frames;
videotestsrc->running_time = 0;
videotestsrc->n_frames = 0;
GST_OBJECT_UNLOCK (videotestsrc);
return TRUE;
/* ERRORS */
parse_failed:
{
GST_OBJECT_UNLOCK (videotestsrc);
GST_DEBUG_OBJECT (bsrc, "failed to parse caps");
return FALSE;
}
unsupported_caps:
{
GST_OBJECT_UNLOCK (videotestsrc);
GST_DEBUG_OBJECT (bsrc, "unsupported caps: %" GST_PTR_FORMAT, caps);
return FALSE;
}
}
static gboolean
gst_video_test_src_query (GstBaseSrc * bsrc, GstQuery * query)
{
gboolean res = FALSE;
GstVideoTestSrc *src;
src = GST_VIDEO_TEST_SRC (bsrc);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
GST_OBJECT_LOCK (src);
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
res =
gst_video_info_convert (&src->info, src_fmt, src_val, dest_fmt,
&dest_val);
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
GST_OBJECT_UNLOCK (src);
break;
}
case GST_QUERY_LATENCY:
{
GST_OBJECT_LOCK (src);
if (src->info.fps_n > 0) {
GstClockTime latency;
latency =
gst_util_uint64_scale (GST_SECOND, src->info.fps_d,
src->info.fps_n);
GST_OBJECT_UNLOCK (src);
gst_query_set_latency (query,
gst_base_src_is_live (GST_BASE_SRC_CAST (src)), latency,
GST_CLOCK_TIME_NONE);
GST_DEBUG_OBJECT (src, "Reporting latency of %" GST_TIME_FORMAT,
GST_TIME_ARGS (latency));
res = TRUE;
} else {
GST_OBJECT_UNLOCK (src);
}
break;
}
case GST_QUERY_DURATION:{
if (bsrc->num_buffers != -1) {
GstFormat format;
gst_query_parse_duration (query, &format, NULL);
switch (format) {
case GST_FORMAT_TIME:{
gint64 dur;
GST_OBJECT_LOCK (src);
if (src->info.fps_n) {
dur = gst_util_uint64_scale_int_round (bsrc->num_buffers
* GST_SECOND, src->info.fps_d, src->info.fps_n);
res = TRUE;
gst_query_set_duration (query, GST_FORMAT_TIME, dur);
}
GST_OBJECT_UNLOCK (src);
goto done;
}
case GST_FORMAT_BYTES:
GST_OBJECT_LOCK (src);
res = TRUE;
gst_query_set_duration (query, GST_FORMAT_BYTES,
bsrc->num_buffers * src->info.size);
GST_OBJECT_UNLOCK (src);
goto done;
default:
break;
}
}
/* fall through */
}
default:
res = GST_BASE_SRC_CLASS (parent_class)->query (bsrc, query);
break;
}
done:
return res;
}
static void
gst_video_test_src_get_times (GstBaseSrc * basesrc, GstBuffer * buffer,
GstClockTime * start, GstClockTime * end)
{
/* for live sources, sync on the timestamp of the buffer */
if (gst_base_src_is_live (basesrc)) {
GstClockTime timestamp = GST_BUFFER_PTS (buffer);
if (GST_CLOCK_TIME_IS_VALID (timestamp)) {
/* get duration to calculate end time */
GstClockTime duration = GST_BUFFER_DURATION (buffer);
if (GST_CLOCK_TIME_IS_VALID (duration)) {
*end = timestamp + duration;
}
*start = timestamp;
}
} else {
*start = -1;
*end = -1;
}
}
static gboolean
gst_video_test_src_do_seek (GstBaseSrc * bsrc, GstSegment * segment)
{
GstClockTime position;
GstVideoTestSrc *src;
src = GST_VIDEO_TEST_SRC (bsrc);
segment->time = segment->start;
position = segment->position;
src->reverse = segment->rate < 0;
/* now move to the position indicated */
if (src->info.fps_n) {
src->n_frames = gst_util_uint64_scale (position,
src->info.fps_n, src->info.fps_d * GST_SECOND);
} else {
src->n_frames = 0;
}
src->accum_frames = 0;
src->accum_rtime = 0;
if (src->info.fps_n) {
src->running_time = gst_util_uint64_scale (src->n_frames,
src->info.fps_d * GST_SECOND, src->info.fps_n);
} else {
/* FIXME : Not sure what to set here */
src->running_time = 0;
}
g_assert (src->running_time <= position);
return TRUE;
}
static gboolean
gst_video_test_src_is_seekable (GstBaseSrc * psrc)
{
/* we're seekable... */
return TRUE;
}
static GstFlowReturn
gst_video_test_src_fill (GstPushSrc * psrc, GstBuffer * buffer)
{
GstVideoTestSrc *src;
GstClockTime next_time;
GstVideoFrame frame;
gconstpointer pal;
gsize palsize;
src = GST_VIDEO_TEST_SRC (psrc);
if (G_UNLIKELY (GST_VIDEO_INFO_FORMAT (&src->info) ==
GST_VIDEO_FORMAT_UNKNOWN))
goto not_negotiated;
/* 0 framerate and we are at the second frame, eos */
if (G_UNLIKELY (src->info.fps_n == 0 && src->n_frames == 1))
goto eos;
if (G_UNLIKELY (src->n_frames == -1)) {
/* EOS for reverse playback */
goto eos;
}
GST_LOG_OBJECT (src,
"creating buffer from pool for frame %" G_GINT64_FORMAT, src->n_frames);
if (!gst_video_frame_map (&frame, &src->info, buffer, GST_MAP_WRITE))
goto invalid_frame;
GST_BUFFER_PTS (buffer) =
src->accum_rtime + src->timestamp_offset + src->running_time;
GST_BUFFER_DTS (buffer) = GST_CLOCK_TIME_NONE;
gst_object_sync_values (GST_OBJECT (psrc), GST_BUFFER_PTS (buffer));
src->make_image (src, GST_BUFFER_PTS (buffer), &frame);
if ((pal = gst_video_format_get_palette (GST_VIDEO_FRAME_FORMAT (&frame),
&palsize))) {
memcpy (GST_VIDEO_FRAME_PLANE_DATA (&frame, 1), pal, palsize);
}
gst_video_frame_unmap (&frame);
GST_DEBUG_OBJECT (src, "Timestamp: %" GST_TIME_FORMAT " = accumulated %"
GST_TIME_FORMAT " + offset: %"
GST_TIME_FORMAT " + running time: %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_PTS (buffer)), GST_TIME_ARGS (src->accum_rtime),
GST_TIME_ARGS (src->timestamp_offset), GST_TIME_ARGS (src->running_time));
GST_BUFFER_OFFSET (buffer) = src->accum_frames + src->n_frames;
if (src->reverse) {
src->n_frames--;
} else {
src->n_frames++;
}
GST_BUFFER_OFFSET_END (buffer) = GST_BUFFER_OFFSET (buffer) + 1;
if (src->info.fps_n) {
next_time = gst_util_uint64_scale (src->n_frames,
src->info.fps_d * GST_SECOND, src->info.fps_n);
if (src->reverse) {
/* We already decremented to next frame */
GstClockTime prev_pts = gst_util_uint64_scale (src->n_frames + 2,
src->info.fps_d * GST_SECOND, src->info.fps_n);
GST_BUFFER_DURATION (buffer) = prev_pts - GST_BUFFER_PTS (buffer);
} else {
GST_BUFFER_DURATION (buffer) = next_time - src->running_time;
}
} else {
next_time = src->timestamp_offset;
/* NONE means forever */
GST_BUFFER_DURATION (buffer) = GST_CLOCK_TIME_NONE;
}
src->running_time = next_time;
return GST_FLOW_OK;
not_negotiated:
{
return GST_FLOW_NOT_NEGOTIATED;
}
eos:
{
GST_DEBUG_OBJECT (src, "eos: 0 framerate, frame %d", (gint) src->n_frames);
return GST_FLOW_EOS;
}
invalid_frame:
{
GST_DEBUG_OBJECT (src, "invalid frame");
return GST_FLOW_OK;
}
}
static gboolean
gst_video_test_src_start (GstBaseSrc * basesrc)
{
GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (basesrc);
GST_OBJECT_LOCK (src);
src->running_time = 0;
src->n_frames = 0;
src->accum_frames = 0;
src->accum_rtime = 0;
gst_video_info_init (&src->info);
GST_OBJECT_UNLOCK (src);
return TRUE;
}
static gboolean
gst_video_test_src_stop (GstBaseSrc * basesrc)
{
GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (basesrc);
guint i;
g_free (src->tmpline);
src->tmpline = NULL;
g_free (src->tmpline2);
src->tmpline2 = NULL;
g_free (src->tmpline_u8);
src->tmpline_u8 = NULL;
g_free (src->tmpline_u16);
src->tmpline_u16 = NULL;
if (src->subsample)
gst_video_chroma_resample_free (src->subsample);
src->subsample = NULL;
for (i = 0; i < src->n_lines; i++)
g_free (src->lines[i]);
g_free (src->lines);
src->n_lines = 0;
src->lines = NULL;
return TRUE;
}
static gboolean
plugin_init (GstPlugin * plugin)
{
GST_DEBUG_CATEGORY_INIT (video_test_src_debug, "videotestsrc", 0,
"Video Test Source");
return GST_ELEMENT_REGISTER (videotestsrc, plugin);
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
videotestsrc,
"Creates a test video stream",
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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