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gaudieffects: made filter parameters dynamic and controllable

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This commit is contained in:
Luis de Bethencourt 2010-10-27 14:57:36 +02:00 committed by Sebastian Dröge
parent cc1c6ee9e3
commit cadfe13839
12 changed files with 431 additions and 131 deletions
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61
gst/gaudieffects/gstburn.c
View file

@ -87,16 +87,21 @@ enum
enum
{
PROP_0,
PROP_0 = 0,
PROP_ADJUSTMENT,
PROP_SILENT
};
/* Initializations */
#define DEFAULT_ADJUSTMENT 175
static gint gate_int (gint value, gint min, gint max);
static void transform (guint32 * src, guint32 * dest, gint video_area);
static void transform (guint32 * src, guint32 * dest, gint video_area,
gint adjustment);
/* The capabilities of the inputs and outputs. */
static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
@ -150,6 +155,11 @@ gst_burn_class_init (GstBurnClass * klass)
gobject_class->set_property = gst_burn_set_property;
gobject_class->get_property = gst_burn_get_property;
g_object_class_install_property (gobject_class, PROP_ADJUSTMENT,
g_param_spec_uint ("adjustment", "Adjustment",
"Adjustment parameter", 0, 256, DEFAULT_ADJUSTMENT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, PROP_SILENT,
g_param_spec_boolean ("silent", "Silent", "Produce verbose output ?",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
@ -158,7 +168,7 @@ gst_burn_class_init (GstBurnClass * klass)
trans_class->transform = GST_DEBUG_FUNCPTR (gst_burn_transform);
}
/* Initialize the new element,
/* Initialize the element,
* instantiate pads and add them to element,
* set pad calback functions, and
* initialize instance structure.
@ -166,6 +176,7 @@ gst_burn_class_init (GstBurnClass * klass)
static void
gst_burn_init (GstBurn * filter, GstBurnClass * gclass)
{
filter->adjustment = DEFAULT_ADJUSTMENT;
filter->silent = FALSE;
}
@ -179,6 +190,9 @@ gst_burn_set_property (GObject * object, guint prop_id,
case PROP_SILENT:
filter->silent = g_value_get_boolean (value);
break;
case PROP_ADJUSTMENT:
filter->adjustment = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -191,14 +205,19 @@ gst_burn_get_property (GObject * object, guint prop_id,
{
GstBurn *filter = GST_BURN (object);
GST_OBJECT_LOCK (filter);
switch (prop_id) {
case PROP_SILENT:
g_value_set_boolean (value, filter->silent);
break;
case PROP_ADJUSTMENT:
g_value_set_uint (value, filter->adjustment);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
GST_OBJECT_UNLOCK (filter);
}
/* GstElement vmethod implementations */
@ -210,12 +229,16 @@ gst_burn_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
{
GstBurn *filter = GST_BURN (btrans);
GstStructure *structure;
gboolean ret = TRUE;
gboolean ret = FALSE;
structure = gst_caps_get_structure (incaps, 0);
ret &= gst_structure_get_int (structure, "width", &filter->width);
ret &= gst_structure_get_int (structure, "height", &filter->height);
GST_OBJECT_LOCK (filter);
if (gst_structure_get_int (structure, "width", &filter->width) &&
gst_structure_get_int (structure, "height", &filter->height)) {
ret = TRUE;
}
GST_OBJECT_UNLOCK (filter);
return ret;
}
@ -226,12 +249,30 @@ gst_burn_transform (GstBaseTransform * btrans,
GstBuffer * in_buf, GstBuffer * out_buf)
{
GstBurn *filter = GST_BURN (btrans);
gint video_size;
gint video_size, adjustment;
guint32 *src = (guint32 *) GST_BUFFER_DATA (in_buf);
guint32 *dest = (guint32 *) GST_BUFFER_DATA (out_buf);
GstClockTime timestamp;
gint64 stream_time;
video_size = filter->width * filter->height;
transform (src, dest, video_size);
/* GstController: update the properties */
timestamp = GST_BUFFER_TIMESTAMP (in_buf);
stream_time =
gst_segment_to_stream_time (&btrans->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 (G_OBJECT (filter), stream_time);
GST_OBJECT_LOCK (filter);
adjustment = filter->adjustment;
GST_OBJECT_UNLOCK (filter);
transform (src, dest, video_size, adjustment);
return GST_FLOW_OK;
}
@ -248,7 +289,6 @@ gst_burn_plugin_init (GstPlugin * burn)
}
/*** Now the image processing work.... ***/
/* Keep the values inbounds. */
static gint
gate_int (gint value, gint min, gint max)
@ -264,11 +304,10 @@ gate_int (gint value, gint min, gint max)
/* Transform processes each frame. */
static void
transform (guint32 * src, guint32 * dest, gint video_area)
transform (guint32 * src, guint32 * dest, gint video_area, gint adjustment)
{
guint32 in, red, green, blue;
gint x;
gint adjustment = 175;
for (x = 0; x < video_area; x++) {
in = *src++;

1
gst/gaudieffects/gstburn.h
View file

@ -75,6 +75,7 @@ struct _GstBurn
gint width, height;
gint adjustment;
gboolean silent;
};

87
gst/gaudieffects/gstchromium.c
View file

@ -61,14 +61,14 @@
# include <config.h>
#endif
#include <gst/gst.h>
#include <math.h>
#include <gst/gst.h>
#include <gst/controller/gstcontroller.h>
#include "gstplugin.h"
#include "gstchromium.h"
#include <gst/video/video.h>
#include <gst/controller/gstcontroller.h>
GST_DEBUG_CATEGORY_STATIC (gst_chromium_debug);
#define GST_CAT_DEFAULT gst_chromium_debug
@ -87,12 +87,17 @@ enum
enum
{
PROP_0,
PROP_0 = 0,
PROP_EDGE_A,
PROP_EDGE_B,
PROP_SILENT
};
/* Initializations */
#define DEFAULT_EDGE_A 200
#define DEFAULT_EDGE_B 1
const float pi = 3.141582f;
gint cosTablePi = 512;
@ -106,7 +111,8 @@ static gint gate_int (gint value, gint min, gint max);
void setup_cos_table (void);
static gint cos_from_table (int angle);
static inline int abs_int (int val);
static void transform (guint32 * src, guint32 * dest, gint video_area);
static void transform (guint32 * src, guint32 * dest, gint video_area,
gint edge_a, gint edge_b);
/* The capabilities of the inputs and outputs. */
@ -164,6 +170,16 @@ gst_chromium_class_init (GstChromiumClass * klass)
gobject_class->set_property = gst_chromium_set_property;
gobject_class->get_property = gst_chromium_get_property;
g_object_class_install_property (gobject_class, PROP_EDGE_A,
g_param_spec_uint ("edge-a", "Edge A",
"First edge parameter", 0, 256, DEFAULT_EDGE_A,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, PROP_EDGE_B,
g_param_spec_uint ("edge-b", "Edge B",
"Second edge parameter", 0, 256, DEFAULT_EDGE_B,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, PROP_SILENT,
g_param_spec_boolean ("silent", "Silent", "Produce verbose output ?",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
@ -172,7 +188,7 @@ gst_chromium_class_init (GstChromiumClass * klass)
trans_class->transform = GST_DEBUG_FUNCPTR (gst_chromium_transform);
}
/* Initialize the new element,
/* Initialize the element,
* instantiate pads and add them to element,
* set pad calback functions, and
* initialize instance structure.
@ -180,6 +196,8 @@ gst_chromium_class_init (GstChromiumClass * klass)
static void
gst_chromium_init (GstChromium * filter, GstChromiumClass * gclass)
{
filter->edge_a = DEFAULT_EDGE_A;
filter->edge_b = DEFAULT_EDGE_B;
filter->silent = FALSE;
setup_cos_table ();
@ -195,26 +213,41 @@ gst_chromium_set_property (GObject * object, guint prop_id,
case PROP_SILENT:
filter->silent = g_value_get_boolean (value);
break;
case PROP_EDGE_A:
filter->edge_a = g_value_get_uint (value);
break;
case PROP_EDGE_B:
filter->edge_b = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_chromium_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstChromium *filter = GST_CHROMIUM (object);
GST_OBJECT_LOCK (filter);
switch (prop_id) {
case PROP_SILENT:
g_value_set_boolean (value, filter->silent);
break;
case PROP_EDGE_A:
g_value_set_uint (value, filter->edge_a);
break;
case PROP_EDGE_B:
g_value_set_uint (value, filter->edge_b);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
GST_OBJECT_UNLOCK (filter);
}
/* GstElement vmethod implementations */
@ -226,12 +259,16 @@ gst_chromium_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
{
GstChromium *filter = GST_CHROMIUM (btrans);
GstStructure *structure;
gboolean ret = TRUE;
gboolean ret = FALSE;
structure = gst_caps_get_structure (incaps, 0);
ret &= gst_structure_get_int (structure, "width", &filter->width);
ret &= gst_structure_get_int (structure, "height", &filter->height);
GST_OBJECT_LOCK (filter);
if (gst_structure_get_int (structure, "width", &filter->width) &&
gst_structure_get_int (structure, "height", &filter->height)) {
ret = TRUE;
}
GST_OBJECT_UNLOCK (filter);
return ret;
}
@ -242,12 +279,30 @@ gst_chromium_transform (GstBaseTransform * btrans,
GstBuffer * in_buf, GstBuffer * out_buf)
{
GstChromium *filter = GST_CHROMIUM (btrans);
gint video_size;
gint video_size, edge_a, edge_b;
guint32 *src = (guint32 *) GST_BUFFER_DATA (in_buf);
guint32 *dest = (guint32 *) GST_BUFFER_DATA (out_buf);
GstClockTime timestamp;
gint64 stream_time;
/* GstController: update the properties */
timestamp = GST_BUFFER_TIMESTAMP (in_buf);
stream_time =
gst_segment_to_stream_time (&btrans->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 (G_OBJECT (filter), stream_time);
GST_OBJECT_LOCK (filter);
edge_a = filter->edge_a;
edge_b = filter->edge_b;
GST_OBJECT_UNLOCK (filter);
video_size = filter->width * filter->height;
transform (src, dest, video_size);
transform (src, dest, video_size, edge_a, edge_b);
return GST_FLOW_OK;
}
@ -258,15 +313,14 @@ gboolean
gst_chromium_plugin_init (GstPlugin * chromium)
{
/* debug category for fltering log messages */
GST_DEBUG_CATEGORY_INIT (gst_chromium_debug, "chromium",
0, "Template chromium");
GST_DEBUG_CATEGORY_INIT (gst_chromium_debug, "chromium", 0,
"Template chromium");
return gst_element_register (chromium, "chromium", GST_RANK_NONE,
GST_TYPE_CHROMIUM);
}
/*** Now the image processing work.... ***/
/* Set up the cosine table. */
void
setup_cos_table (void)
@ -313,14 +367,11 @@ cos_from_table (int angle)
/* Transform processes each frame. */
static void
transform (guint32 * src, guint32 * dest, gint video_area)
transform (guint32 * src, guint32 * dest, gint video_area,
gint edge_a, gint edge_b)
{
guint32 in, red, green, blue;
gint x;
guint32 edge_a, edge_b;
edge_a = 200;
edge_b = 1;
for (x = 0; x < video_area; x++) {
in = *src++;

20
gst/gaudieffects/gstchromium.h
View file

@ -47,14 +47,12 @@
#define __GST_CHROMIUM_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/video/gstvideofilter.h>
G_BEGIN_DECLS
/* #defines don't like whitespacey bits */
#define GST_TYPE_CHROMIUM \
(gst_chromium_get_type())
#define GST_TYPE_CHROMIUM (gst_chromium_get_type())
#define GST_CHROMIUM(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CHROMIUM,GstChromium))
#define GST_CHROMIUM_CLASS(klass) \
@ -64,20 +62,20 @@ G_BEGIN_DECLS
#define GST_IS_CHROMIUM_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CHROMIUM))
typedef struct _GstChromium GstChromium;
typedef struct _GstChromiumClass GstChromiumClass;
typedef struct GstChromium GstChromium;
typedef struct GstChromiumClass GstChromiumClass;
struct _GstChromium
struct GstChromium
{
GstVideoFilter videofilter;
/* < private > */
gint width, height;
/* < private > */
gint edge_a, edge_b;
gboolean silent;
};
struct _GstChromiumClass
struct GstChromiumClass
{
GstVideoFilterClass parent_class;
};
@ -86,4 +84,4 @@ GType gst_chromium_get_type (void);
G_END_DECLS
#endif /* __GST_CHROMIUM_H__ */
#endif

121
gst/gaudieffects/gstdilate.c
View file

@ -88,13 +88,16 @@ enum
enum
{
PROP_0,
PROP_ERODE,
PROP_SILENT
};
/* Initializations */
#define DEFAULT_ERODE FALSE
static void transform (guint32 * src, guint32 * dest, gint video_area,
gint width, gint height);
gint width, gint height, gboolean erode);
static inline guint32 get_luminance (guint32 in);
/* The capabilities of the inputs and outputs. */
@ -152,6 +155,10 @@ gst_dilate_class_init (GstDilateClass * klass)
gobject_class->set_property = gst_dilate_set_property;
gobject_class->get_property = gst_dilate_get_property;
g_object_class_install_property (gobject_class, PROP_ERODE,
g_param_spec_boolean ("erode", "Erode", "Erode parameter", FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, PROP_SILENT,
g_param_spec_boolean ("silent", "Silent", "Produce verbose output ?",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
@ -160,7 +167,7 @@ gst_dilate_class_init (GstDilateClass * klass)
trans_class->transform = GST_DEBUG_FUNCPTR (gst_dilate_transform);
}
/* Initialize the new element,
/* Initialize the element,
* instantiate pads and add them to element,
* set pad calback functions, and
* initialize instance structure.
@ -168,6 +175,7 @@ gst_dilate_class_init (GstDilateClass * klass)
static void
gst_dilate_init (GstDilate * filter, GstDilateClass * gclass)
{
filter->erode = DEFAULT_ERODE;
filter->silent = FALSE;
}
@ -181,6 +189,9 @@ gst_dilate_set_property (GObject * object, guint prop_id,
case PROP_SILENT:
filter->silent = g_value_get_boolean (value);
break;
case PROP_ERODE:
filter->erode = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -193,14 +204,19 @@ gst_dilate_get_property (GObject * object, guint prop_id,
{
GstDilate *filter = GST_DILATE (object);
GST_OBJECT_LOCK (filter);
switch (prop_id) {
case PROP_SILENT:
g_value_set_boolean (value, filter->silent);
break;
case PROP_ERODE:
g_value_set_boolean (value, filter->erode);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
GST_OBJECT_UNLOCK (filter);
}
/* GstElement vmethod implementations */
@ -215,8 +231,13 @@ gst_dilate_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
gboolean ret = TRUE;
structure = gst_caps_get_structure (incaps, 0);
ret &= gst_structure_get_int (structure, "width", &filter->width);
ret &= gst_structure_get_int (structure, "height", &filter->height);
GST_OBJECT_LOCK (filter);
if (gst_structure_get_int (structure, "width", &filter->width) &&
gst_structure_get_int (structure, "height", &filter->height)) {
ret = TRUE;
}
GST_OBJECT_UNLOCK (filter);
return ret;
}
@ -228,13 +249,30 @@ gst_dilate_transform (GstBaseTransform * btrans,
{
GstDilate *filter = GST_DILATE (btrans);
gint video_size;
gboolean erode;
guint32 *src = (guint32 *) GST_BUFFER_DATA (in_buf);
guint32 *dest = (guint32 *) GST_BUFFER_DATA (out_buf);
GstClockTime timestamp;
gint64 stream_time;
video_size = filter->width * filter->height;
transform (src, dest, video_size, filter->width, filter->height);
/* GstController: update the properties */
timestamp = GST_BUFFER_TIMESTAMP (in_buf);
stream_time =
gst_segment_to_stream_time (&btrans->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 (G_OBJECT (filter), stream_time);
GST_OBJECT_LOCK (filter);
erode = filter->erode;
GST_OBJECT_UNLOCK (filter);
transform (src, dest, video_size, filter->width, filter->height, erode);
return GST_FLOW_OK;
}
@ -271,21 +309,81 @@ get_luminance (guint32 in)
/* Transform processes each frame. */
static void
transform (guint32 * src, guint32 * dest, gint video_area, gint width,
gint height)
gint height, gboolean erode)
{
guint32 out_luminance, down_luminance, right_luminance;
guint32 up_luminance, left_luminance;
guint32 *src_end = src + video_area;
while (src != src_end) {
guint32 *src_line_start = src;
guint32 *src_line_end = src + width;
guint32 *up;
guint32 *left;
guint32 *down;
guint32 *right;
if (erode) {
while (src != src_end) {
guint32 *src_line_start = src;
guint32 *src_line_end = src + width;
while (src != src_line_end) {
up = src - width;
if (up < src) {
up = src;
}
left = src - 1;
if (left < src_line_start) {
left = src;
}
down = src + width;
if (down >= src_end) {
down = src;
}
right = src + 1;
if (right >= src_line_end) {
right = src;
}
*dest = *src;
out_luminance = get_luminance (*src);
down_luminance = get_luminance (*down);
if (down_luminance < out_luminance) {
*dest = *down;
out_luminance = down_luminance;
}
right_luminance = get_luminance (*right);
if (right_luminance < out_luminance) {
*dest = *right;
out_luminance = right_luminance;
}
up_luminance = get_luminance (*up);
if (up_luminance < out_luminance) {
*dest = *up;
out_luminance = up_luminance;
}
left_luminance = get_luminance (*left);
if (left_luminance < out_luminance) {
*dest = *left;
out_luminance = left_luminance;
}
src += 1;
dest += 1;
}
}
} else {
while (src != src_end) {
guint32 *src_line_start = src;
guint32 *src_line_end = src + width;
while (src != src_line_end) {
up = src - width;
@ -340,3 +438,4 @@ transform (guint32 * src, guint32 * dest, gint video_area, gint width,
}
}
}
}

1
gst/gaudieffects/gstdilate.h
View file

@ -76,6 +76,7 @@ struct _GstDilate
gint width, height;
gboolean silent;
gboolean erode;
};
struct _GstDilateClass

13
gst/gaudieffects/gstdodge.c
View file

@ -159,7 +159,7 @@ gst_dodge_class_init (GstDodgeClass * klass)
trans_class->transform = GST_DEBUG_FUNCPTR (gst_dodge_transform);
}
/* Initialize the new element,
/* Initialize the element,
* instantiate pads and add them to element,
* set pad calback functions, and
* initialize instance structure.
@ -192,6 +192,7 @@ gst_dodge_get_property (GObject * object, guint prop_id,
{
GstDodge *filter = GST_DODGE (object);
GST_OBJECT_LOCK (filter);
switch (prop_id) {
case PROP_SILENT:
g_value_set_boolean (value, filter->silent);
@ -200,6 +201,7 @@ gst_dodge_get_property (GObject * object, guint prop_id,
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
GST_OBJECT_UNLOCK (filter);
}
/* GstElement vmethod implementations */
@ -214,8 +216,13 @@ gst_dodge_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
gboolean ret = TRUE;
structure = gst_caps_get_structure (incaps, 0);
ret &= gst_structure_get_int (structure, "width", &filter->width);
ret &= gst_structure_get_int (structure, "height", &filter->height);
GST_OBJECT_LOCK (filter);
if (gst_structure_get_int (structure, "width", &filter->width) &&
gst_structure_get_int (structure, "height", &filter->height)) {
ret = TRUE;
}
GST_OBJECT_UNLOCK (filter);
return ret;
}

61
gst/gaudieffects/gstexclusion.c
View file

@ -87,14 +87,18 @@ enum
enum
{
PROP_0,
PROP_0 = 0,
PROP_FACTOR,
PROP_SILENT
};
/* Initializations */
#define DEFAULT_FACTOR 175
static gint gate_int (gint value, gint min, gint max);
static void transform (guint32 * src, guint32 * dest, gint video_area);
static void transform (guint32 * src, guint32 * dest, gint video_area,
gint factor);
/* The capabilities of the inputs and outputs. */
@ -152,6 +156,11 @@ gst_exclusion_class_init (GstExclusionClass * klass)
gobject_class->set_property = gst_exclusion_set_property;
gobject_class->get_property = gst_exclusion_get_property;
g_object_class_install_property (gobject_class, PROP_FACTOR,
g_param_spec_uint ("factor", "Factor",
"Exclusion factor parameter", 0, 175, DEFAULT_FACTOR,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, PROP_SILENT,
g_param_spec_boolean ("silent", "Silent", "Produce verbose output ?",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
@ -160,7 +169,7 @@ gst_exclusion_class_init (GstExclusionClass * klass)
trans_class->transform = GST_DEBUG_FUNCPTR (gst_exclusion_transform);
}
/* Initialize the new element,
/* Initialize the element,
* instantiate pads and add them to element,
* set pad calback functions, and
* initialize instance structure.
@ -168,6 +177,7 @@ gst_exclusion_class_init (GstExclusionClass * klass)
static void
gst_exclusion_init (GstExclusion * filter, GstExclusionClass * gclass)
{
filter->factor = DEFAULT_FACTOR;
filter->silent = FALSE;
}
@ -181,6 +191,9 @@ gst_exclusion_set_property (GObject * object, guint prop_id,
case PROP_SILENT:
filter->silent = g_value_get_boolean (value);
break;
case PROP_FACTOR:
filter->factor = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -193,18 +206,22 @@ gst_exclusion_get_property (GObject * object, guint prop_id,
{
GstExclusion *filter = GST_EXCLUSION (object);
GST_OBJECT_LOCK (filter);
switch (prop_id) {
case PROP_SILENT:
g_value_set_boolean (value, filter->silent);
break;
case PROP_FACTOR:
g_value_set_uint (value, filter->factor);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
GST_OBJECT_UNLOCK (filter);
}
/* GstElement vmethod implementations */
/* Handle the link with other elements. */
static gboolean
gst_exclusion_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
@ -212,11 +229,15 @@ gst_exclusion_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
{
GstExclusion *filter = GST_EXCLUSION (btrans);
GstStructure *structure;
gboolean ret = TRUE;
gboolean ret = FALSE;
GST_OBJECT_LOCK (filter);
structure = gst_caps_get_structure (incaps, 0);
ret &= gst_structure_get_int (structure, "width", &filter->width);
ret &= gst_structure_get_int (structure, "height", &filter->height);
if (gst_structure_get_int (structure, "width", &filter->width) &&
gst_structure_get_int (structure, "height", &filter->height)) {
ret = TRUE;
}
GST_OBJECT_UNLOCK (filter);
return ret;
}
@ -227,13 +248,29 @@ gst_exclusion_transform (GstBaseTransform * btrans,
GstBuffer * in_buf, GstBuffer * out_buf)
{
GstExclusion *filter = GST_EXCLUSION (btrans);
gint video_size;
gint video_size, factor;
guint32 *src = (guint32 *) GST_BUFFER_DATA (in_buf);
guint32 *dest = (guint32 *) GST_BUFFER_DATA (out_buf);
GstClockTime timestamp;
gint64 stream_time;
/* GstController: update the properties */
timestamp = GST_BUFFER_TIMESTAMP (in_buf);
stream_time =
gst_segment_to_stream_time (&btrans->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 (G_OBJECT (filter), stream_time);
GST_OBJECT_LOCK (filter);
factor = filter->factor;
GST_OBJECT_UNLOCK (filter);
video_size = filter->width * filter->height;
transform (src, dest, video_size);
transform (src, dest, video_size, factor);
return GST_FLOW_OK;
}
@ -252,7 +289,6 @@ gst_exclusion_plugin_init (GstPlugin * exclusion)
}
/*** Now the image processing work.... ***/
/* Keep the values inbounds. */
static gint
gate_int (gint value, gint min, gint max)
@ -268,11 +304,10 @@ gate_int (gint value, gint min, gint max)
/* Transform processes each frame. */
static void
transform (guint32 * src, guint32 * dest, gint video_area)
transform (guint32 * src, guint32 * dest, gint video_area, gint factor)
{
guint32 in, red, green, blue;
gint x;
gint factor = 175;
for (x = 0; x < video_area; x++) {
in = *src++;

1
gst/gaudieffects/gstexclusion.h
View file

@ -75,6 +75,7 @@ struct _GstExclusion
gint width, height;
gint factor;
gboolean silent;
};

1
gst/gaudieffects/gstplugin.c
View file

@ -63,6 +63,7 @@
static gboolean
plugin_init (GstPlugin * plugin)
{
gst_controller_init (NULL, NULL);
gboolean ret = TRUE;
ret &= gst_burn_plugin_init (plugin);

94
gst/gaudieffects/gstsolarize.c
View file

@ -87,14 +87,22 @@ enum
enum
{
PROP_0,
PROP_0 = 0,
PROP_THRESHOLD,
PROP_START,
PROP_END,
PROP_SILENT
};
/* Initializations */
#define DEFAULT_THRESHOLD 127
#define DEFAULT_START 50
#define DEFAULT_END 185
static gint gate_int (gint value, gint min, gint max);
static void transform (guint32 * src, guint32 * dest, gint video_area);
static void transform (guint32 * src, guint32 * dest, gint video_area,
gint threshold, gint start, gint end);
/* The capabilities of the inputs and outputs. */
@ -152,6 +160,21 @@ gst_solarize_class_init (GstSolarizeClass * klass)
gobject_class->set_property = gst_solarize_set_property;
gobject_class->get_property = gst_solarize_get_property;
g_object_class_install_property (gobject_class, PROP_THRESHOLD,
g_param_spec_uint ("threshold", "Threshold",
"Threshold parameter", 0, 256, DEFAULT_THRESHOLD,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, PROP_START,
g_param_spec_uint ("start", "Start",
"Start parameter", 0, 256, DEFAULT_START,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, PROP_END,
g_param_spec_uint ("end", "End",
"End parameter", 0, 256, DEFAULT_END,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, PROP_SILENT,
g_param_spec_boolean ("silent", "Silent", "Produce verbose output ?",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
@ -160,7 +183,7 @@ gst_solarize_class_init (GstSolarizeClass * klass)
trans_class->transform = GST_DEBUG_FUNCPTR (gst_solarize_transform);
}
/* Initialize the new element,
/* Initialize the element,
* instantiate pads and add them to element,
* set pad calback functions, and
* initialize instance structure.
@ -168,6 +191,9 @@ gst_solarize_class_init (GstSolarizeClass * klass)
static void
gst_solarize_init (GstSolarize * filter, GstSolarizeClass * gclass)
{
filter->threshold = DEFAULT_THRESHOLD;
filter->start = DEFAULT_START;
filter->end = DEFAULT_END;
filter->silent = FALSE;
}
@ -181,6 +207,15 @@ gst_solarize_set_property (GObject * object, guint prop_id,
case PROP_SILENT:
filter->silent = g_value_get_boolean (value);
break;
case PROP_THRESHOLD:
filter->threshold = g_value_get_uint (value);
break;
case PROP_START:
filter->start = g_value_get_uint (value);
break;
case PROP_END:
filter->end = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -193,14 +228,25 @@ gst_solarize_get_property (GObject * object, guint prop_id,
{
GstSolarize *filter = GST_SOLARIZE (object);
GST_OBJECT_LOCK (filter);
switch (prop_id) {
case PROP_SILENT:
g_value_set_boolean (value, filter->silent);
break;
case PROP_THRESHOLD:
g_value_set_uint (value, filter->threshold);
break;
case PROP_START:
g_value_set_uint (value, filter->start);
break;
case PROP_END:
g_value_set_uint (value, filter->end);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
GST_OBJECT_UNLOCK (filter);
}
/* GstElement vmethod implementations */
@ -212,11 +258,15 @@ gst_solarize_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
{
GstSolarize *filter = GST_SOLARIZE (btrans);
GstStructure *structure;
gboolean ret = TRUE;
gboolean ret = FALSE;
GST_OBJECT_LOCK (filter);
structure = gst_caps_get_structure (incaps, 0);
ret &= gst_structure_get_int (structure, "width", &filter->width);
ret &= gst_structure_get_int (structure, "height", &filter->height);
if (gst_structure_get_int (structure, "width", &filter->width) &&
gst_structure_get_int (structure, "height", &filter->height)) {
ret = TRUE;
}
GST_OBJECT_UNLOCK (filter);
return ret;
}
@ -227,13 +277,31 @@ gst_solarize_transform (GstBaseTransform * btrans,
GstBuffer * in_buf, GstBuffer * out_buf)
{
GstSolarize *filter = GST_SOLARIZE (btrans);
gint video_size;
gint video_size, threshold, start, end;
guint32 *src = (guint32 *) GST_BUFFER_DATA (in_buf);
guint32 *dest = (guint32 *) GST_BUFFER_DATA (out_buf);
GstClockTime timestamp;
gint64 stream_time;
/* GstController: update the properties */
timestamp = GST_BUFFER_TIMESTAMP (in_buf);
stream_time =
gst_segment_to_stream_time (&btrans->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 (G_OBJECT (filter), stream_time);
GST_OBJECT_LOCK (filter);
threshold = filter->threshold;
start = filter->start;
end = filter->end;
GST_OBJECT_UNLOCK (filter);
video_size = filter->width * filter->height;
transform (src, dest, video_size);
transform (src, dest, video_size, threshold, start, end);
return GST_FLOW_OK;
}
@ -252,7 +320,6 @@ gst_solarize_plugin_init (GstPlugin * solarize)
}
/*** Now the image processing work.... ***/
/* Keep the values inbounds. */
static gint
gate_int (gint value, gint min, gint max)
@ -268,14 +335,12 @@ gate_int (gint value, gint min, gint max)
/* Transform processes each frame. */
static void
transform (guint32 * src, guint32 * dest, gint video_area)
transform (guint32 * src, guint32 * dest, gint video_area,
gint threshold, gint start, gint end)
{
guint32 in;
guint32 color[3];
gint x, c;
gint threshold = 127;
gint start = 50;
gint end = 185;
gint floor = 0;
gint ceiling = 255;
@ -306,6 +371,7 @@ transform (guint32 * src, guint32 * dest, gint video_area)
color[1] = (in >> 8) & 0xff;
color[2] = (in) & 0xff;
/* Loop through colors. */
for (c = 0; c < 3; c++) {
param = color[c];

1
gst/gaudieffects/gstsolarize.h
View file

@ -75,6 +75,7 @@ struct _GstSolarize
gint width, height;
gint threshold, start, end;
gboolean silent;
};