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effectv: port quark tv

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This commit is contained in:
Wim Taymans 2011-07-07 17:18:21 +02:00
parent ec7b96010f
commit 63e05a0cc4
3 changed files with 79 additions and 46 deletions
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119
gst/effectv/gstquark.c
View file

@ -49,7 +49,6 @@
#include "gsteffectv.h"
#include <gst/controller/gstcontroller.h>
#include <gst/video/video.h>
/* number of frames of time-buffer. It should be as a configurable paramater */
/* This number also must be 2^n just for the speed. */
@ -61,25 +60,23 @@ enum
PROP_PLANES
};
GST_BOILERPLATE (GstQuarkTV, gst_quarktv, GstVideoFilter,
GST_TYPE_VIDEO_FILTER);
#define gst_quarktv_parent_class parent_class
G_DEFINE_TYPE (GstQuarkTV, gst_quarktv, GST_TYPE_VIDEO_FILTER);
static void gst_quarktv_planetable_clear (GstQuarkTV * filter);
static GstStaticPadTemplate gst_quarktv_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_xRGB ";" GST_VIDEO_CAPS_xBGR ";"
GST_VIDEO_CAPS_BGRx "; " GST_VIDEO_CAPS_RGBx)
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ xRGB, xBGR, BGRx, RGBx }"))
);
static GstStaticPadTemplate gst_quarktv_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_xRGB ";" GST_VIDEO_CAPS_xBGR ";"
GST_VIDEO_CAPS_BGRx "; " GST_VIDEO_CAPS_RGBx)
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ xRGB, xBGR, BGRx, RGBx }"))
);
static gboolean
@ -87,21 +84,28 @@ gst_quarktv_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
GstCaps * outcaps)
{
GstQuarkTV *filter = GST_QUARKTV (btrans);
GstStructure *structure;
gboolean ret = FALSE;
GstVideoInfo info;
gint width, height;
structure = gst_caps_get_structure (incaps, 0);
if (!gst_video_info_from_caps (&info, incaps))
goto invalid_caps;
GST_OBJECT_LOCK (filter);
if (gst_structure_get_int (structure, "width", &filter->width) &&
gst_structure_get_int (structure, "height", &filter->height)) {
gst_quarktv_planetable_clear (filter);
filter->area = filter->width * filter->height;
ret = TRUE;
filter->info = info;
width = GST_VIDEO_INFO_WIDTH (&info);
height = GST_VIDEO_INFO_HEIGHT (&info);
gst_quarktv_planetable_clear (filter);
filter->area = width * height;
return TRUE;
/* ERRORS */
invalid_caps:
{
GST_DEBUG_OBJECT (filter, "invalid caps received");
return FALSE;
}
GST_OBJECT_UNLOCK (filter);
return ret;
}
static GstFlowReturn
@ -109,12 +113,12 @@ gst_quarktv_transform (GstBaseTransform * trans, GstBuffer * in,
GstBuffer * out)
{
GstQuarkTV *filter = GST_QUARKTV (trans);
gint area;
gint area, width, height, sstride, dstride;
guint32 *src, *dest;
GstFlowReturn ret = GST_FLOW_OK;
GstClockTime timestamp;
GstBuffer **planetable;
gint planes, current_plane;
GstVideoFrame in_frame, out_frame;
timestamp = GST_BUFFER_TIMESTAMP (in);
timestamp =
@ -129,10 +133,22 @@ gst_quarktv_transform (GstBaseTransform * trans, GstBuffer * in,
if (G_UNLIKELY (filter->planetable == NULL))
return GST_FLOW_WRONG_STATE;
if (!gst_video_frame_map (&in_frame, &filter->info, in, GST_MAP_READ))
goto invalid_in;
if (!gst_video_frame_map (&out_frame, &filter->info, out, GST_MAP_WRITE))
goto invalid_out;
src = GST_VIDEO_FRAME_PLANE_DATA (&in_frame, 0);
sstride = GST_VIDEO_FRAME_PLANE_STRIDE (&in_frame, 0);
dest = GST_VIDEO_FRAME_PLANE_DATA (&out_frame, 0);
dstride = GST_VIDEO_FRAME_PLANE_STRIDE (&out_frame, 0);
width = GST_VIDEO_FRAME_WIDTH (&in_frame);
height = GST_VIDEO_FRAME_HEIGHT (&in_frame);
GST_OBJECT_LOCK (filter);
area = filter->area;
src = (guint32 *) GST_BUFFER_DATA (in);
dest = (guint32 *) GST_BUFFER_DATA (out);
planetable = filter->planetable;
planes = filter->planes;
current_plane = filter->current_plane;
@ -148,9 +164,11 @@ gst_quarktv_transform (GstBaseTransform * trans, GstBuffer * in,
/* pick a random buffer */
rand = planetable[(current_plane + (fastrand () >> 24)) % planes];
/* Copy the pixel from the random buffer to dest */
dest[area] =
(rand ? ((guint32 *) GST_BUFFER_DATA (rand))[area] : src[area]);
/* Copy the pixel from the random buffer to dest, FIXME, slow */
if (rand)
gst_buffer_extract (rand, area * 4, &dest[area], 4);
else
dest[area] = src[area];
}
filter->current_plane--;
@ -158,7 +176,23 @@ gst_quarktv_transform (GstBaseTransform * trans, GstBuffer * in,
filter->current_plane = planes - 1;
GST_OBJECT_UNLOCK (filter);
return ret;
gst_video_frame_unmap (&in_frame);
gst_video_frame_unmap (&out_frame);
return GST_FLOW_OK;
/* ERRORS */
invalid_in:
{
GST_DEBUG_OBJECT (filter, "invalid input frame");
return GST_FLOW_ERROR;
}
invalid_out:
{
GST_DEBUG_OBJECT (filter, "invalid output frame");
gst_video_frame_unmap (&in_frame);
return GST_FLOW_ERROR;
}
}
static void
@ -265,25 +299,11 @@ gst_quarktv_get_property (GObject * object, guint prop_id, GValue * value,
}
}
static void
gst_quarktv_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_set_details_simple (element_class, "QuarkTV effect",
"Filter/Effect/Video",
"Motion dissolver", "FUKUCHI, Kentarou <fukuchi@users.sourceforge.net>");
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_quarktv_sink_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_quarktv_src_template));
}
static void
gst_quarktv_class_init (GstQuarkTVClass * klass)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
GstElementClass *gstelement_class = (GstElementClass *) klass;
GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
gobject_class->set_property = gst_quarktv_set_property;
@ -296,13 +316,22 @@ gst_quarktv_class_init (GstQuarkTVClass * klass)
"Number of planes", 0, 64, PLANES,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
gst_element_class_set_details_simple (gstelement_class, "QuarkTV effect",
"Filter/Effect/Video",
"Motion dissolver", "FUKUCHI, Kentarou <fukuchi@users.sourceforge.net>");
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_quarktv_sink_template));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_quarktv_src_template));
trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_quarktv_set_caps);
trans_class->transform = GST_DEBUG_FUNCPTR (gst_quarktv_transform);
trans_class->start = GST_DEBUG_FUNCPTR (gst_quarktv_start);
}
static void
gst_quarktv_init (GstQuarkTV * filter, GstQuarkTVClass * klass)
gst_quarktv_init (GstQuarkTV * filter)
{
filter->planes = PLANES;
filter->current_plane = filter->planes - 1;

3
gst/effectv/gstquark.h
View file

@ -29,6 +29,7 @@
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/video/gstvideofilter.h>
G_BEGIN_DECLS
@ -52,8 +53,8 @@ struct _GstQuarkTV
GstVideoFilter element;
/* < private > */
GstVideoInfo info;
gint width, height;
gint area;
gint planes;
gint current_plane;

3
gst/effectv/gstrev.c
View file

@ -183,6 +183,9 @@ gst_revtv_transform (GstBaseTransform * trans, GstBuffer * in, GstBuffer * out)
}
GST_OBJECT_UNLOCK (filter);
gst_video_frame_unmap (&in_frame);
gst_video_frame_unmap (&out_frame);
return GST_FLOW_OK;
/* ERRORS */