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smooth: port to 0.11

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This commit is contained in:
Mark Nauwelaerts 2012-03-18 18:32:51 +01:00
parent b12ac89da0
commit 0473a882ec
2 changed files with 67 additions and 71 deletions
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2
configure.ac
View file

@ -312,7 +312,7 @@ GST_PLUGINS_NONPORTED=" aiff asfmux \
decklink fbdev linsys shm vcd \
apexsink cdaudio cog curl dc1394 dirac directfb resindvd \
gsettings jp2k ladspa mimic \
musepack musicbrainz nas neon ofa openal opencv rsvg sdl smooth sndfile soundtouch spandsp spc timidity \
musepack musicbrainz nas neon ofa openal opencv rsvg sdl sndfile soundtouch spandsp spc timidity \
wildmidi xvid lv2 teletextdec dvb"
AC_SUBST(GST_PLUGINS_NONPORTED)

136
gst/smooth/gstsmooth.c
View file

@ -41,7 +41,7 @@ static GstStaticPadTemplate gst_smooth_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420")
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("I420")
)
);
@ -49,46 +49,28 @@ static GstStaticPadTemplate gst_smooth_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420")
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("I420")
)
);
static gboolean gst_smooth_set_caps (GstBaseTransform * btrans,
GstCaps * incaps, GstCaps * outcaps);
static GstFlowReturn gst_smooth_transform (GstBaseTransform * btrans,
GstBuffer * inbuf, GstBuffer * outbuf);
static void smooth_filter (unsigned char *dest, unsigned char *src,
int width, int height, int tolerance, int filtersize);
static gboolean gst_smooth_set_info (GstVideoFilter * filter, GstCaps * incaps,
GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info);
static GstFlowReturn gst_smooth_transform_frame (GstVideoFilter * vfilter,
GstVideoFrame * in_frame, GstVideoFrame * out_frame);
static void gst_smooth_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_smooth_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
GST_BOILERPLATE (GstSmooth, gst_smooth, GstVideoFilter, GST_TYPE_VIDEO_FILTER);
static void
gst_smooth_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_smooth_sink_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_smooth_src_template));
gst_element_class_set_details_simple (element_class, "Smooth effect",
"Filter/Effect/Video",
"Apply a smooth filter to an image",
"Wim Taymans <wim.taymans@chello.be>");
}
G_DEFINE_TYPE (GstSmooth, gst_smooth, GST_TYPE_VIDEO_FILTER);
static void
gst_smooth_class_init (GstSmoothClass * klass)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
GstBaseTransformClass *btrans_class = (GstBaseTransformClass *) klass;
GstElementClass *gstelement_class = (GstElementClass *) klass;
GstVideoFilterClass *vfilter_class = (GstVideoFilterClass *) klass;
gobject_class->set_property = gst_smooth_set_property;
gobject_class->get_property = gst_smooth_get_property;
@ -107,29 +89,36 @@ gst_smooth_class_init (GstSmoothClass * klass)
g_param_spec_boolean ("luma-only", "luma-only", "only filter luma part",
TRUE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
btrans_class->transform = GST_DEBUG_FUNCPTR (gst_smooth_transform);
btrans_class->set_caps = GST_DEBUG_FUNCPTR (gst_smooth_set_caps);
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_smooth_sink_template));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_smooth_src_template));
gst_element_class_set_details_simple (gstelement_class, "Smooth effect",
"Filter/Effect/Video",
"Apply a smooth filter to an image",
"Wim Taymans <wim.taymans@chello.be>");
vfilter_class->transform_frame =
GST_DEBUG_FUNCPTR (gst_smooth_transform_frame);
vfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_smooth_set_info);
}
static gboolean
gst_smooth_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
GstCaps * outcaps)
gst_smooth_set_info (GstVideoFilter * filter, GstCaps * incaps,
GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info)
{
GstSmooth *filter;
GstStructure *structure;
gboolean ret;
GstSmooth *smooth;
filter = GST_SMOOTH (btrans);
smooth = GST_SMOOTH (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);
smooth->width = GST_VIDEO_INFO_WIDTH (in_info);
smooth->height = GST_VIDEO_INFO_HEIGHT (in_info);
return ret;
return TRUE;
}
static void
gst_smooth_init (GstSmooth * smooth, GstSmoothClass * klass)
gst_smooth_init (GstSmooth * smooth)
{
smooth->active = TRUE;
smooth->tolerance = 8;
@ -139,20 +128,20 @@ gst_smooth_init (GstSmooth * smooth, GstSmoothClass * klass)
static void
smooth_filter (guchar * dest, guchar * src, gint width, gint height,
gint tolerance, gint filtersize)
gint stride, gint dstride, gint tolerance, gint filtersize)
{
gint refval, aktval, upperval, lowerval, numvalues, sum;
gint x, y, fx, fy, fy1, fy2, fx1, fx2;
guchar *srcp = src;
guchar *srcp = src, *destp = dest;
fy1 = 0;
fy2 = MIN (filtersize + 1, height) * width;
fy2 = MIN (filtersize + 1, height) * stride;
for (y = 0; y < height; y++) {
if (y > (filtersize + 1))
fy1 += width;
fy1 += stride;
if (y < height - (filtersize + 1))
fy2 += width;
fy2 += stride;
for (x = 0; x < width; x++) {
refval = *src;
@ -165,7 +154,7 @@ smooth_filter (guchar * dest, guchar * src, gint width, gint height,
fx1 = MAX (x - filtersize, 0) + fy1;
fx2 = MIN (x + filtersize + 1, width) + fy1;
for (fy = fy1; fy < fy2; fy += width) {
for (fy = fy1; fy < fy2; fy += stride) {
for (fx = fx1; fx < fx2; fx++) {
aktval = srcp[fx];
if ((lowerval - aktval) * (upperval - aktval) < 0) {
@ -173,50 +162,57 @@ smooth_filter (guchar * dest, guchar * src, gint width, gint height,
sum += aktval;
}
} /*for fx */
fx1 += width;
fx2 += width;
fx1 += stride;
fx2 += stride;
} /*for fy */
src++;
*dest++ = sum / numvalues;
}
src = srcp + stride * y;
dest = destp + dstride * y;
}
}
static GstFlowReturn
gst_smooth_transform (GstBaseTransform * btrans, GstBuffer * inbuf,
GstBuffer * outbuf)
gst_smooth_transform_frame (GstVideoFilter * vfilter, GstVideoFrame * in_frame,
GstVideoFrame * out_frame)
{
GstSmooth *smooth;
guint8 *idata, *odata;
guint size, lumsize, chromsize;
smooth = GST_SMOOTH (btrans);
idata = GST_BUFFER_DATA (inbuf);
odata = GST_BUFFER_DATA (outbuf);
size = GST_BUFFER_SIZE (inbuf);
smooth = GST_SMOOTH (vfilter);
if (!smooth->active) {
memcpy (odata, idata, size);
gst_video_frame_copy (out_frame, in_frame);
return GST_FLOW_OK;
}
GST_DEBUG_OBJECT (smooth, "smooth: have buffer of %d", size);
lumsize = smooth->width * smooth->height;
chromsize = lumsize / 4;
smooth_filter (odata, idata, smooth->width, smooth->height,
smooth_filter (GST_VIDEO_FRAME_COMP_DATA (out_frame, 0),
GST_VIDEO_FRAME_COMP_DATA (in_frame, 0),
GST_VIDEO_FRAME_COMP_WIDTH (in_frame, 0),
GST_VIDEO_FRAME_COMP_HEIGHT (in_frame, 0),
GST_VIDEO_FRAME_COMP_STRIDE (in_frame, 0),
GST_VIDEO_FRAME_COMP_STRIDE (out_frame, 0),
smooth->tolerance, smooth->filtersize);
if (!smooth->luma_only) {
smooth_filter (odata + lumsize, idata + lumsize,
smooth->width / 2, smooth->height / 2, smooth->tolerance,
smooth->filtersize / 2);
smooth_filter (odata + lumsize + chromsize,
idata + lumsize + chromsize, smooth->width / 2, smooth->height / 2,
smooth->tolerance, smooth->filtersize / 2);
smooth_filter (GST_VIDEO_FRAME_COMP_DATA (out_frame, 1),
GST_VIDEO_FRAME_COMP_DATA (in_frame, 1),
GST_VIDEO_FRAME_COMP_WIDTH (in_frame, 1),
GST_VIDEO_FRAME_COMP_HEIGHT (in_frame, 1),
GST_VIDEO_FRAME_COMP_STRIDE (in_frame, 1),
GST_VIDEO_FRAME_COMP_STRIDE (out_frame, 1),
smooth->tolerance, smooth->filtersize);
smooth_filter (GST_VIDEO_FRAME_COMP_DATA (out_frame, 2),
GST_VIDEO_FRAME_COMP_DATA (in_frame, 2),
GST_VIDEO_FRAME_COMP_WIDTH (in_frame, 2),
GST_VIDEO_FRAME_COMP_HEIGHT (in_frame, 2),
GST_VIDEO_FRAME_COMP_STRIDE (in_frame, 2),
GST_VIDEO_FRAME_COMP_STRIDE (out_frame, 2),
smooth->tolerance, smooth->filtersize);
} else {
memcpy (odata + lumsize, idata + lumsize, chromsize * 2);
gst_video_frame_copy_plane (out_frame, in_frame, 1);
gst_video_frame_copy_plane (out_frame, in_frame, 2);
}
return GST_FLOW_OK;