mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-09 13:48:55 +00:00
Original commit message from CVS: * ext/cairo/gsttimeoverlay.c: (gst_cairo_time_overlay_transform): * ext/jpeg/gstjpegenc.c: (gst_jpegenc_chain): * ext/libpng/gstpngenc.c: (gst_pngenc_chain): * ext/wavpack/gstwavpackdec.c: (gst_wavpack_dec_chain): * gst/debug/gstnavigationtest.c: (gst_navigationtest_transform): * gst/effectv/gstaging.c: (gst_agingtv_transform): * gst/effectv/gstdice.c: (gst_dicetv_transform): * gst/effectv/gstedge.c: (gst_edgetv_transform): * gst/effectv/gstquark.c: (gst_quarktv_transform): * gst/effectv/gstrev.c: (gst_revtv_transform): * gst/effectv/gstshagadelic.c: (gst_shagadelictv_transform): * gst/effectv/gstvertigo.c: (gst_vertigotv_transform): * gst/effectv/gstwarp.c: (gst_warptv_transform): * gst/matroska/matroska-demux.c: (gst_matroska_demux_add_wvpk_header), (gst_matroska_demux_check_subtitle_buffer), (gst_matroska_decode_buffer): * gst/videofilter/gstvideoflip.c: (gst_video_flip_transform): Fix build against core CVS.
299 lines
8.1 KiB
C
299 lines
8.1 KiB
C
/* GStreamer
|
|
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
|
|
*
|
|
* EffecTV:
|
|
* Copyright (C) 2001 FUKUCHI Kentarou
|
|
*
|
|
* 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <gst/video/gstvideofilter.h>
|
|
|
|
#include <string.h>
|
|
|
|
#include <gst/video/video.h>
|
|
|
|
#define GST_TYPE_EDGETV \
|
|
(gst_edgetv_get_type())
|
|
#define GST_EDGETV(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_EDGETV,GstEdgeTV))
|
|
#define GST_EDGETV_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_EDGETV,GstEdgeTVClass))
|
|
#define GST_IS_EDGETV(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_EDGETV))
|
|
#define GST_IS_EDGETV_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_EDGETV))
|
|
|
|
typedef struct _GstEdgeTV GstEdgeTV;
|
|
typedef struct _GstEdgeTVClass GstEdgeTVClass;
|
|
|
|
struct _GstEdgeTV
|
|
{
|
|
GstVideoFilter videofilter;
|
|
|
|
gint width, height;
|
|
gint map_width, map_height;
|
|
guint32 *map;
|
|
gint video_width_margin;
|
|
};
|
|
|
|
struct _GstEdgeTVClass
|
|
{
|
|
GstVideoFilterClass parent_class;
|
|
};
|
|
|
|
GType gst_edgetv_get_type (void);
|
|
|
|
static const GstElementDetails gst_edgetv_details =
|
|
GST_ELEMENT_DETAILS ("EdgeTV effect",
|
|
"Filter/Effect/Video",
|
|
"Apply edge detect on video",
|
|
"Wim Taymans <wim.taymans@chello.be>");
|
|
|
|
static GstStaticPadTemplate gst_edgetv_src_template =
|
|
GST_STATIC_PAD_TEMPLATE ("src",
|
|
GST_PAD_SRC,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS (GST_VIDEO_CAPS_BGRx)
|
|
);
|
|
|
|
static GstStaticPadTemplate gst_edgetv_sink_template =
|
|
GST_STATIC_PAD_TEMPLATE ("sink",
|
|
GST_PAD_SINK,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS (GST_VIDEO_CAPS_BGRx)
|
|
);
|
|
|
|
static GstVideoFilterClass *parent_class = NULL;
|
|
|
|
static gboolean
|
|
gst_edgetv_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
|
|
GstCaps * outcaps)
|
|
{
|
|
GstEdgeTV *edgetv = GST_EDGETV (btrans);
|
|
GstStructure *structure;
|
|
gboolean ret = FALSE;
|
|
|
|
structure = gst_caps_get_structure (incaps, 0);
|
|
|
|
if (gst_structure_get_int (structure, "width", &edgetv->width) &&
|
|
gst_structure_get_int (structure, "height", &edgetv->height)) {
|
|
edgetv->map_width = edgetv->width / 4;
|
|
edgetv->map_height = edgetv->height / 4;
|
|
edgetv->video_width_margin = edgetv->width % 4;
|
|
|
|
g_free (edgetv->map);
|
|
edgetv->map =
|
|
(guint32 *) g_malloc (edgetv->map_width * edgetv->map_height *
|
|
sizeof (guint32) * 2);
|
|
memset (edgetv->map, 0,
|
|
edgetv->map_width * edgetv->map_height * sizeof (guint32) * 2);
|
|
ret = TRUE;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gboolean
|
|
gst_edgetv_get_unit_size (GstBaseTransform * btrans, GstCaps * caps,
|
|
guint * size)
|
|
{
|
|
GstEdgeTV *filter;
|
|
GstStructure *structure;
|
|
gboolean ret = FALSE;
|
|
gint width, height;
|
|
|
|
filter = GST_EDGETV (btrans);
|
|
|
|
structure = gst_caps_get_structure (caps, 0);
|
|
|
|
if (gst_structure_get_int (structure, "width", &width) &&
|
|
gst_structure_get_int (structure, "height", &height)) {
|
|
*size = width * height * 32 / 8;
|
|
ret = TRUE;
|
|
GST_DEBUG_OBJECT (filter, "our frame size is %d bytes (%dx%d)", *size,
|
|
width, height);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_edgetv_transform (GstBaseTransform * trans, GstBuffer * in, GstBuffer * out)
|
|
{
|
|
GstEdgeTV *filter;
|
|
gint x, y, r, g, b;
|
|
guint32 *src, *dest;
|
|
guint32 p, q;
|
|
guint32 v0, v1, v2, v3;
|
|
GstFlowReturn ret = GST_FLOW_OK;
|
|
|
|
filter = GST_EDGETV (trans);
|
|
|
|
gst_buffer_copy_metadata (out, in, GST_BUFFER_COPY_TIMESTAMPS);
|
|
|
|
src = (guint32 *) GST_BUFFER_DATA (in);
|
|
dest = (guint32 *) GST_BUFFER_DATA (out);
|
|
|
|
src += filter->width * 4 + 4;
|
|
dest += filter->width * 4 + 4;
|
|
|
|
for (y = 1; y < filter->map_height - 1; y++) {
|
|
for (x = 1; x < filter->map_width - 1; x++) {
|
|
|
|
p = *src;
|
|
q = *(src - 4);
|
|
|
|
/* difference between the current pixel and right neighbor. */
|
|
r = ((p & 0xff0000) - (q & 0xff0000)) >> 16;
|
|
g = ((p & 0xff00) - (q & 0xff00)) >> 8;
|
|
b = (p & 0xff) - (q & 0xff);
|
|
r *= r;
|
|
g *= g;
|
|
b *= b;
|
|
r = r >> 5; /* To lack the lower bit for saturated addition, */
|
|
g = g >> 5; /* devide the value with 32, instead of 16. It is */
|
|
b = b >> 4; /* same as `v2 &= 0xfefeff' */
|
|
if (r > 127)
|
|
r = 127;
|
|
if (g > 127)
|
|
g = 127;
|
|
if (b > 255)
|
|
b = 255;
|
|
v2 = (r << 17) | (g << 9) | b;
|
|
|
|
/* difference between the current pixel and upper neighbor. */
|
|
q = *(src - filter->width * 4);
|
|
r = ((p & 0xff0000) - (q & 0xff0000)) >> 16;
|
|
g = ((p & 0xff00) - (q & 0xff00)) >> 8;
|
|
b = (p & 0xff) - (q & 0xff);
|
|
r *= r;
|
|
g *= g;
|
|
b *= b;
|
|
r = r >> 5;
|
|
g = g >> 5;
|
|
b = b >> 4;
|
|
if (r > 127)
|
|
r = 127;
|
|
if (g > 127)
|
|
g = 127;
|
|
if (b > 255)
|
|
b = 255;
|
|
v3 = (r << 17) | (g << 9) | b;
|
|
|
|
v0 = filter->map[(y - 1) * filter->map_width * 2 + x * 2];
|
|
v1 = filter->map[y * filter->map_width * 2 + (x - 1) * 2 + 1];
|
|
filter->map[y * filter->map_width * 2 + x * 2] = v2;
|
|
filter->map[y * filter->map_width * 2 + x * 2 + 1] = v3;
|
|
r = v0 + v1;
|
|
g = r & 0x01010100;
|
|
dest[0] = r | (g - (g >> 8));
|
|
r = v0 + v3;
|
|
g = r & 0x01010100;
|
|
dest[1] = r | (g - (g >> 8));
|
|
dest[2] = v3;
|
|
dest[3] = v3;
|
|
r = v2 + v1;
|
|
g = r & 0x01010100;
|
|
dest[filter->width] = r | (g - (g >> 8));
|
|
r = v2 + v3;
|
|
g = r & 0x01010100;
|
|
dest[filter->width + 1] = r | (g - (g >> 8));
|
|
dest[filter->width + 2] = v3;
|
|
dest[filter->width + 3] = v3;
|
|
dest[filter->width * 2] = v2;
|
|
dest[filter->width * 2 + 1] = v2;
|
|
dest[filter->width * 3] = v2;
|
|
dest[filter->width * 3 + 1] = v2;
|
|
|
|
src += 4;
|
|
dest += 4;
|
|
}
|
|
src += filter->width * 3 + 8 + filter->video_width_margin;
|
|
dest += filter->width * 3 + 8 + filter->video_width_margin;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
gst_edgetv_base_init (gpointer g_class)
|
|
{
|
|
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
|
|
|
|
gst_element_class_set_details (element_class, &gst_edgetv_details);
|
|
|
|
gst_element_class_add_pad_template (element_class,
|
|
gst_static_pad_template_get (&gst_edgetv_sink_template));
|
|
gst_element_class_add_pad_template (element_class,
|
|
gst_static_pad_template_get (&gst_edgetv_src_template));
|
|
}
|
|
|
|
static void
|
|
gst_edgetv_class_init (gpointer klass, gpointer class_data)
|
|
{
|
|
GObjectClass *gobject_class;
|
|
GstElementClass *element_class;
|
|
GstBaseTransformClass *trans_class;
|
|
|
|
gobject_class = (GObjectClass *) klass;
|
|
element_class = (GstElementClass *) klass;
|
|
trans_class = (GstBaseTransformClass *) klass;
|
|
|
|
parent_class = g_type_class_peek_parent (klass);
|
|
|
|
trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_edgetv_set_caps);
|
|
trans_class->get_unit_size = GST_DEBUG_FUNCPTR (gst_edgetv_get_unit_size);
|
|
trans_class->transform = GST_DEBUG_FUNCPTR (gst_edgetv_transform);
|
|
}
|
|
|
|
static void
|
|
gst_edgetv_init (GTypeInstance * instance, gpointer g_class)
|
|
{
|
|
GstEdgeTV *edgetv = GST_EDGETV (instance);
|
|
|
|
edgetv->map = NULL;
|
|
}
|
|
|
|
GType
|
|
gst_edgetv_get_type (void)
|
|
{
|
|
static GType edgetv_type = 0;
|
|
|
|
if (!edgetv_type) {
|
|
static const GTypeInfo edgetv_info = {
|
|
sizeof (GstEdgeTVClass),
|
|
gst_edgetv_base_init,
|
|
NULL,
|
|
(GClassInitFunc) gst_edgetv_class_init,
|
|
NULL,
|
|
NULL,
|
|
sizeof (GstEdgeTV),
|
|
0,
|
|
(GInstanceInitFunc) gst_edgetv_init,
|
|
};
|
|
|
|
edgetv_type =
|
|
g_type_register_static (GST_TYPE_VIDEO_FILTER, "GstEdgeTV",
|
|
&edgetv_info, 0);
|
|
}
|
|
return edgetv_type;
|
|
}
|