mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-08 13:18:52 +00:00
619 lines
16 KiB
C
619 lines
16 KiB
C
/* GStreamer
|
|
* Copyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk>
|
|
*
|
|
* EffecTV - Realtime Digital Video Effector
|
|
* Copyright (C) 2001-2006 FUKUCHI Kentaro
|
|
*
|
|
* RippleTV - Water ripple effect.
|
|
* Copyright (C) 2001-2002 FUKUCHI Kentaro
|
|
*
|
|
* This combines the RippleTV and BaltanTV effects, which are
|
|
* very similar. BaltanTV is used if the feedback property is set
|
|
* to TRUE, otherwise RippleTV is used.
|
|
*
|
|
* EffecTV is free software. 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-rippletv
|
|
*
|
|
* RippleTV does ripple mark effect on the video input. The ripple is caused
|
|
* by motion or random rain drops.
|
|
*
|
|
* <refsect2>
|
|
* <title>Example launch line</title>
|
|
* |[
|
|
* gst-launch-1.0 -v videotestsrc ! rippletv ! videoconvert ! autovideosink
|
|
* ]| This pipeline shows the effect of rippletv on a test stream.
|
|
* </refsect2>
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <math.h>
|
|
#include <string.h>
|
|
|
|
#include "gstripple.h"
|
|
#include "gsteffectv.h"
|
|
|
|
#define DEFAULT_MODE 0
|
|
|
|
enum
|
|
{
|
|
PROP_0,
|
|
PROP_RESET,
|
|
PROP_MODE
|
|
};
|
|
|
|
static gint sqrtable[256];
|
|
|
|
#define GST_TYPE_RIPPLETV_MODE (gst_rippletv_mode_get_type())
|
|
static GType
|
|
gst_rippletv_mode_get_type (void)
|
|
{
|
|
static GType type = 0;
|
|
|
|
static const GEnumValue enumvalue[] = {
|
|
{0, "Motion Detection", "motion-detection"},
|
|
{1, "Rain", "rain"},
|
|
{0, NULL, NULL},
|
|
};
|
|
|
|
if (!type) {
|
|
type = g_enum_register_static ("GstRippleTVMode", enumvalue);
|
|
}
|
|
return type;
|
|
}
|
|
|
|
#define gst_rippletv_parent_class parent_class
|
|
G_DEFINE_TYPE (GstRippleTV, gst_rippletv, GST_TYPE_VIDEO_FILTER);
|
|
|
|
static GstStaticPadTemplate gst_rippletv_src_template =
|
|
GST_STATIC_PAD_TEMPLATE ("src",
|
|
GST_PAD_SRC,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ BGRx, RGBx, xBGR, xRGB }"))
|
|
);
|
|
|
|
static GstStaticPadTemplate gst_rippletv_sink_template =
|
|
GST_STATIC_PAD_TEMPLATE ("sink",
|
|
GST_PAD_SINK,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ BGRx, RGBx, xBGR, xRGB }"))
|
|
);
|
|
|
|
static const gint point = 16;
|
|
static const gint impact = 2;
|
|
static const gint decay = 8;
|
|
static const gint loopnum = 2;
|
|
|
|
static void
|
|
setTable (void)
|
|
{
|
|
gint i;
|
|
|
|
for (i = 0; i < 128; i++) {
|
|
sqrtable[i] = i * i;
|
|
}
|
|
for (i = 1; i <= 128; i++) {
|
|
sqrtable[256 - i] = -i * i;
|
|
}
|
|
}
|
|
|
|
static void
|
|
image_bgset_y (guint32 * src, gint16 * background, gint video_area)
|
|
{
|
|
gint i;
|
|
gint R, G, B;
|
|
guint32 *p;
|
|
gint16 *q;
|
|
|
|
p = src;
|
|
q = background;
|
|
for (i = 0; i < video_area; i++) {
|
|
R = ((*p) & 0xff0000) >> (16 - 1);
|
|
G = ((*p) & 0xff00) >> (8 - 2);
|
|
B = (*p) & 0xff;
|
|
*q = (gint16) (R + G + B);
|
|
p++;
|
|
q++;
|
|
}
|
|
}
|
|
|
|
static gint
|
|
setBackground (GstRippleTV * filter, guint32 * src)
|
|
{
|
|
GstVideoInfo *info;
|
|
|
|
info = &GST_VIDEO_FILTER (filter)->in_info;
|
|
|
|
image_bgset_y (src, filter->background,
|
|
GST_VIDEO_INFO_WIDTH (info) * GST_VIDEO_INFO_HEIGHT (info));
|
|
filter->bg_is_set = TRUE;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
image_bgsubtract_update_y (guint32 * src, gint16 * background, guint8 * diff,
|
|
gint video_area)
|
|
{
|
|
gint i;
|
|
gint R, G, B;
|
|
guint32 *p;
|
|
gint16 *q;
|
|
guint8 *r;
|
|
gint v;
|
|
|
|
p = src;
|
|
q = background;
|
|
r = diff;
|
|
for (i = 0; i < video_area; i++) {
|
|
R = ((*p) & 0xff0000) >> (16 - 1);
|
|
G = ((*p) & 0xff00) >> (8 - 2);
|
|
B = (*p) & 0xff;
|
|
v = (R + G + B) - (gint) (*q);
|
|
*q = (gint16) (R + G + B);
|
|
*r = ((v + 70 * 7) >> 24) | ((70 * 7 - v) >> 24);
|
|
|
|
p++;
|
|
q++;
|
|
r++;
|
|
}
|
|
}
|
|
|
|
static void
|
|
motiondetect (GstRippleTV * filter, guint32 * src)
|
|
{
|
|
guint8 *diff = filter->diff;
|
|
gint width, height;
|
|
gint *p, *q;
|
|
gint x, y, h;
|
|
GstVideoInfo *info;
|
|
|
|
info = &GST_VIDEO_FILTER (filter)->in_info;
|
|
|
|
width = GST_VIDEO_INFO_WIDTH (info);
|
|
height = GST_VIDEO_INFO_HEIGHT (info);
|
|
|
|
if (!filter->bg_is_set)
|
|
setBackground (filter, src);
|
|
|
|
image_bgsubtract_update_y (src, filter->background, filter->diff,
|
|
width * height);
|
|
p = filter->map1 + filter->map_w + 1;
|
|
q = filter->map2 + filter->map_w + 1;
|
|
diff += width + 2;
|
|
|
|
for (y = filter->map_h - 2; y > 0; y--) {
|
|
for (x = filter->map_w - 2; x > 0; x--) {
|
|
h = (gint) * diff + (gint) * (diff + 1) + (gint) * (diff + width) +
|
|
(gint) * (diff + width + 1);
|
|
if (h > 0) {
|
|
*p = h << (point + impact - 8);
|
|
*q = *p;
|
|
}
|
|
p++;
|
|
q++;
|
|
diff += 2;
|
|
}
|
|
diff += width + 2;
|
|
p += 2;
|
|
q += 2;
|
|
}
|
|
}
|
|
|
|
static inline void
|
|
drop (gint power, gint * map1, gint * map2, gint map_w, gint map_h)
|
|
{
|
|
gint x, y;
|
|
gint *p, *q;
|
|
|
|
x = fastrand () % (map_w - 4) + 2;
|
|
y = fastrand () % (map_h - 4) + 2;
|
|
p = map1 + y * map_w + x;
|
|
q = map2 + y * map_w + x;
|
|
*p = power;
|
|
*q = power;
|
|
*(p - map_w) = *(p - 1) = *(p + 1) = *(p + map_w) = power / 2;
|
|
*(p - map_w - 1) = *(p - map_w + 1) = *(p + map_w - 1) = *(p + map_w + 1) =
|
|
power / 4;
|
|
*(q - map_w) = *(q - 1) = *(q + 1) = *(q + map_w) = power / 2;
|
|
*(q - map_w - 1) = *(q - map_w + 1) = *(q + map_w - 1) = *(p + map_w + 1) =
|
|
power / 4;
|
|
}
|
|
|
|
static void
|
|
raindrop (GstRippleTV * filter)
|
|
{
|
|
gint i;
|
|
|
|
if (filter->period == 0) {
|
|
switch (filter->rain_stat) {
|
|
case 0:
|
|
filter->period = (fastrand () >> 23) + 100;
|
|
filter->drop_prob = 0;
|
|
filter->drop_prob_increment = 0x00ffffff / filter->period;
|
|
filter->drop_power = (-(fastrand () >> 28) - 2) << point;
|
|
filter->drops_per_frame_max = 2 << (fastrand () >> 30); // 2,4,8 or 16
|
|
filter->rain_stat = 1;
|
|
break;
|
|
case 1:
|
|
filter->drop_prob = 0x00ffffff;
|
|
filter->drops_per_frame = 1;
|
|
filter->drop_prob_increment = 1;
|
|
filter->period = (filter->drops_per_frame_max - 1) * 16;
|
|
filter->rain_stat = 2;
|
|
break;
|
|
case 2:
|
|
filter->period = (fastrand () >> 22) + 1000;
|
|
filter->drop_prob_increment = 0;
|
|
filter->rain_stat = 3;
|
|
break;
|
|
case 3:
|
|
filter->period = (filter->drops_per_frame_max - 1) * 16;
|
|
filter->drop_prob_increment = -1;
|
|
filter->rain_stat = 4;
|
|
break;
|
|
case 4:
|
|
filter->period = (fastrand () >> 24) + 60;
|
|
filter->drop_prob_increment = -(filter->drop_prob / filter->period);
|
|
filter->rain_stat = 5;
|
|
break;
|
|
case 5:
|
|
default:
|
|
filter->period = (fastrand () >> 23) + 500;
|
|
filter->drop_prob = 0;
|
|
filter->rain_stat = 0;
|
|
break;
|
|
}
|
|
}
|
|
switch (filter->rain_stat) {
|
|
default:
|
|
case 0:
|
|
break;
|
|
case 1:
|
|
case 5:
|
|
if ((fastrand () >> 8) < filter->drop_prob) {
|
|
drop (filter->drop_power, filter->map1, filter->map2, filter->map_w,
|
|
filter->map_h);
|
|
}
|
|
filter->drop_prob += filter->drop_prob_increment;
|
|
break;
|
|
case 2:
|
|
case 3:
|
|
case 4:
|
|
for (i = filter->drops_per_frame / 16; i > 0; i--) {
|
|
drop (filter->drop_power, filter->map1, filter->map2, filter->map_w,
|
|
filter->map_h);
|
|
}
|
|
filter->drops_per_frame += filter->drop_prob_increment;
|
|
break;
|
|
}
|
|
filter->period--;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_rippletv_transform_frame (GstVideoFilter * vfilter,
|
|
GstVideoFrame * in_frame, GstVideoFrame * out_frame)
|
|
{
|
|
GstRippleTV *filter = GST_RIPPLETV (vfilter);
|
|
guint32 *src, *dest;
|
|
gint x, y, i;
|
|
gint dx, dy, o_dx;
|
|
gint h, v;
|
|
gint m_w, m_h, v_w, v_h;
|
|
gint *p, *q, *r;
|
|
gint8 *vp;
|
|
GstClockTime timestamp, stream_time;
|
|
|
|
timestamp = GST_BUFFER_TIMESTAMP (in_frame->buffer);
|
|
stream_time =
|
|
gst_segment_to_stream_time (&GST_BASE_TRANSFORM (vfilter)->segment,
|
|
GST_FORMAT_TIME, timestamp);
|
|
|
|
GST_DEBUG_OBJECT (filter, "sync to %" GST_TIME_FORMAT,
|
|
GST_TIME_ARGS (timestamp));
|
|
|
|
if (GST_CLOCK_TIME_IS_VALID (stream_time))
|
|
gst_object_sync_values (GST_OBJECT (filter), stream_time);
|
|
|
|
src = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0);
|
|
dest = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0);
|
|
|
|
GST_OBJECT_LOCK (filter);
|
|
/* impact from the motion or rain drop */
|
|
if (filter->mode)
|
|
raindrop (filter);
|
|
else
|
|
motiondetect (filter, src);
|
|
|
|
m_w = filter->map_w;
|
|
m_h = filter->map_h;
|
|
v_w = GST_VIDEO_FRAME_WIDTH (in_frame);
|
|
v_h = GST_VIDEO_FRAME_HEIGHT (in_frame);
|
|
|
|
/* simulate surface wave */
|
|
|
|
/* This function is called only 30 times per second. To increase a speed
|
|
* of wave, iterates this loop several times. */
|
|
for (i = loopnum; i > 0; i--) {
|
|
/* wave simulation */
|
|
p = filter->map1 + m_w + 1;
|
|
q = filter->map2 + m_w + 1;
|
|
r = filter->map3 + m_w + 1;
|
|
for (y = m_h - 2; y > 0; y--) {
|
|
for (x = m_w - 2; x > 0; x--) {
|
|
h = *(p - m_w - 1) + *(p - m_w + 1) + *(p + m_w - 1) + *(p + m_w + 1)
|
|
+ *(p - m_w) + *(p - 1) + *(p + 1) + *(p + m_w) - (*p) * 9;
|
|
h = h >> 3;
|
|
v = *p - *q;
|
|
v += h - (v >> decay);
|
|
*r = v + *p;
|
|
p++;
|
|
q++;
|
|
r++;
|
|
}
|
|
p += 2;
|
|
q += 2;
|
|
r += 2;
|
|
}
|
|
|
|
/* low pass filter */
|
|
p = filter->map3 + m_w + 1;
|
|
q = filter->map2 + m_w + 1;
|
|
for (y = m_h - 2; y > 0; y--) {
|
|
for (x = m_w - 2; x > 0; x--) {
|
|
h = *(p - m_w) + *(p - 1) + *(p + 1) + *(p + m_w) + (*p) * 60;
|
|
*q = h >> 6;
|
|
p++;
|
|
q++;
|
|
}
|
|
p += 2;
|
|
q += 2;
|
|
}
|
|
|
|
p = filter->map1;
|
|
filter->map1 = filter->map2;
|
|
filter->map2 = p;
|
|
}
|
|
|
|
vp = filter->vtable;
|
|
p = filter->map1;
|
|
for (y = m_h - 1; y > 0; y--) {
|
|
for (x = m_w - 1; x > 0; x--) {
|
|
/* difference of the height between two voxel. They are twiced to
|
|
* emphasise the wave. */
|
|
vp[0] = sqrtable[((p[0] - p[1]) >> (point - 1)) & 0xff];
|
|
vp[1] = sqrtable[((p[0] - p[m_w]) >> (point - 1)) & 0xff];
|
|
p++;
|
|
vp += 2;
|
|
}
|
|
p++;
|
|
vp += 2;
|
|
}
|
|
|
|
vp = filter->vtable;
|
|
|
|
/* draw refracted image. The vector table is stretched. */
|
|
for (y = 0; y < v_h; y += 2) {
|
|
for (x = 0; x < v_w; x += 2) {
|
|
h = (gint) vp[0];
|
|
v = (gint) vp[1];
|
|
dx = x + h;
|
|
dy = y + v;
|
|
dx = CLAMP (dx, 0, (v_w - 2));
|
|
dy = CLAMP (dy, 0, (v_h - 2));
|
|
dest[0] = src[dy * v_w + dx];
|
|
|
|
o_dx = dx;
|
|
|
|
dx = x + 1 + (h + (gint) vp[2]) / 2;
|
|
dx = CLAMP (dx, 0, (v_w - 2));
|
|
dest[1] = src[dy * v_w + dx];
|
|
|
|
dy = y + 1 + (v + (gint) vp[m_w * 2 + 1]) / 2;
|
|
dy = CLAMP (dy, 0, (v_h - 2));
|
|
dest[v_w] = src[dy * v_w + o_dx];
|
|
|
|
dest[v_w + 1] = src[dy * v_w + dx];
|
|
dest += 2;
|
|
vp += 2;
|
|
}
|
|
dest += v_w;
|
|
vp += 2;
|
|
}
|
|
GST_OBJECT_UNLOCK (filter);
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static gboolean
|
|
gst_rippletv_set_info (GstVideoFilter * vfilter, GstCaps * incaps,
|
|
GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info)
|
|
{
|
|
GstRippleTV *filter = GST_RIPPLETV (vfilter);
|
|
gint width, height;
|
|
|
|
width = GST_VIDEO_INFO_WIDTH (in_info);
|
|
height = GST_VIDEO_INFO_HEIGHT (in_info);
|
|
|
|
GST_OBJECT_LOCK (filter);
|
|
filter->map_h = height / 2 + 1;
|
|
filter->map_w = width / 2 + 1;
|
|
|
|
/* we over allocate the buffers, as the render code does not handle clipping
|
|
* very well */
|
|
if (filter->map)
|
|
g_free (filter->map);
|
|
filter->map = g_new0 (gint, (1 + filter->map_h) * filter->map_w * 3);
|
|
|
|
filter->map1 = filter->map;
|
|
filter->map2 = filter->map + filter->map_w * filter->map_h;
|
|
filter->map3 = filter->map + filter->map_w * filter->map_h * 2;
|
|
|
|
if (filter->vtable)
|
|
g_free (filter->vtable);
|
|
filter->vtable = g_new0 (gint8, (1 + filter->map_h) * filter->map_w * 2);
|
|
|
|
if (filter->background)
|
|
g_free (filter->background);
|
|
filter->background = g_new0 (gint16, width * (height + 1));
|
|
|
|
if (filter->diff)
|
|
g_free (filter->diff);
|
|
filter->diff = g_new0 (guint8, width * (height + 1));
|
|
GST_OBJECT_UNLOCK (filter);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_rippletv_start (GstBaseTransform * trans)
|
|
{
|
|
GstRippleTV *filter = GST_RIPPLETV (trans);
|
|
|
|
filter->bg_is_set = FALSE;
|
|
|
|
filter->period = 0;
|
|
filter->rain_stat = 0;
|
|
filter->drop_prob = 0;
|
|
filter->drop_prob_increment = 0;
|
|
filter->drops_per_frame_max = 0;
|
|
filter->drops_per_frame = 0;
|
|
filter->drop_power = 0;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
gst_rippletv_finalize (GObject * object)
|
|
{
|
|
GstRippleTV *filter = GST_RIPPLETV (object);
|
|
|
|
if (filter->map)
|
|
g_free (filter->map);
|
|
filter->map = NULL;
|
|
|
|
if (filter->vtable)
|
|
g_free (filter->vtable);
|
|
filter->vtable = NULL;
|
|
|
|
if (filter->background)
|
|
g_free (filter->background);
|
|
filter->background = NULL;
|
|
|
|
if (filter->diff)
|
|
g_free (filter->diff);
|
|
filter->diff = NULL;
|
|
|
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
gst_rippletv_set_property (GObject * object, guint prop_id,
|
|
const GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstRippleTV *filter = GST_RIPPLETV (object);
|
|
|
|
GST_OBJECT_LOCK (filter);
|
|
switch (prop_id) {
|
|
case PROP_RESET:{
|
|
memset (filter->map, 0,
|
|
filter->map_h * filter->map_w * 2 * sizeof (gint));
|
|
break;
|
|
}
|
|
case PROP_MODE:
|
|
filter->mode = g_value_get_enum (value);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
GST_OBJECT_UNLOCK (filter);
|
|
}
|
|
|
|
static void
|
|
gst_rippletv_get_property (GObject * object, guint prop_id, GValue * value,
|
|
GParamSpec * pspec)
|
|
{
|
|
GstRippleTV *filter = GST_RIPPLETV (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_MODE:
|
|
g_value_set_enum (value, filter->mode);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_rippletv_class_init (GstRippleTVClass * klass)
|
|
{
|
|
GObjectClass *gobject_class = (GObjectClass *) klass;
|
|
GstElementClass *gstelement_class = (GstElementClass *) klass;
|
|
GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
|
|
GstVideoFilterClass *vfilter_class = (GstVideoFilterClass *) klass;
|
|
|
|
gobject_class->set_property = gst_rippletv_set_property;
|
|
gobject_class->get_property = gst_rippletv_get_property;
|
|
|
|
gobject_class->finalize = gst_rippletv_finalize;
|
|
|
|
g_object_class_install_property (gobject_class, PROP_RESET,
|
|
g_param_spec_boolean ("reset", "Reset",
|
|
"Reset all current ripples", FALSE,
|
|
G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
|
|
|
|
g_object_class_install_property (gobject_class, PROP_MODE,
|
|
g_param_spec_enum ("mode", "Mode",
|
|
"Mode", GST_TYPE_RIPPLETV_MODE, DEFAULT_MODE,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
|
|
|
|
gst_element_class_set_static_metadata (gstelement_class, "RippleTV effect",
|
|
"Filter/Effect/Video",
|
|
"RippleTV does ripple mark effect on the video input",
|
|
"FUKUCHI, Kentarou <fukuchi@users.sourceforge.net>, "
|
|
"Sebastian Dröge <sebastian.droege@collabora.co.uk>");
|
|
|
|
gst_element_class_add_pad_template (gstelement_class,
|
|
gst_static_pad_template_get (&gst_rippletv_sink_template));
|
|
gst_element_class_add_pad_template (gstelement_class,
|
|
gst_static_pad_template_get (&gst_rippletv_src_template));
|
|
|
|
trans_class->start = GST_DEBUG_FUNCPTR (gst_rippletv_start);
|
|
|
|
vfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_rippletv_set_info);
|
|
vfilter_class->transform_frame =
|
|
GST_DEBUG_FUNCPTR (gst_rippletv_transform_frame);
|
|
|
|
setTable ();
|
|
}
|
|
|
|
static void
|
|
gst_rippletv_init (GstRippleTV * filter)
|
|
{
|
|
filter->mode = DEFAULT_MODE;
|
|
|
|
/* FIXME: remove this when memory corruption after resizes are fixed */
|
|
gst_pad_use_fixed_caps (GST_BASE_TRANSFORM_SRC_PAD (filter));
|
|
gst_pad_use_fixed_caps (GST_BASE_TRANSFORM_SINK_PAD (filter));
|
|
}
|