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effectv: port op to 0.11

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This commit is contained in:
Wim Taymans 2011-07-07 17:29:44 +02:00
parent 63e05a0cc4
commit 7e3e4a90d4
2 changed files with 75 additions and 51 deletions
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123
gst/effectv/gstop.c
View file

@ -34,7 +34,7 @@
* <refsect2>
* <title>Example launch line</title>
* |[
* gst-launch -v videotestsrc ! optv ! ffmpegcolorspace ! autovideosink
* gst-launch -v videotestsrc ! optv ! videoconvert ! autovideosink
* ]| This pipeline shows the effect of optv on a test stream.
* </refsect2>
*/
@ -95,12 +95,13 @@ enum
static guint32 palette[256];
GST_BOILERPLATE (GstOpTV, gst_optv, GstVideoFilter, GST_TYPE_VIDEO_FILTER);
#define gst_optv_parent_class parent_class
G_DEFINE_TYPE (GstOpTV, gst_optv, GST_TYPE_VIDEO_FILTER);
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
#define CAPS_STR GST_VIDEO_CAPS_BGRx ";" GST_VIDEO_CAPS_RGBx
#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ BGRx, RGBx }")
#else
#define CAPS_STR GST_VIDEO_CAPS_xBGR ";" GST_VIDEO_CAPS_xRGB
#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ xBGR, xRGB }")
#endif
static GstStaticPadTemplate gst_optv_src_template =
@ -203,7 +204,7 @@ gst_optv_transform (GstBaseTransform * trans, GstBuffer * in, GstBuffer * out)
{
GstOpTV *filter = GST_OPTV (trans);
guint32 *src, *dest;
GstFlowReturn ret = GST_FLOW_OK;
GstVideoFrame in_frame, out_frame;
gint8 *p;
guint8 *diff;
gint x, y, width, height;
@ -220,12 +221,21 @@ gst_optv_transform (GstBaseTransform * trans, GstBuffer * in, GstBuffer * out)
if (GST_CLOCK_TIME_IS_VALID (stream_time))
gst_object_sync_values (G_OBJECT (filter), stream_time);
src = (guint32 *) GST_BUFFER_DATA (in);
dest = (guint32 *) GST_BUFFER_DATA (out);
if (G_UNLIKELY (filter->opmap[0] == NULL))
return GST_FLOW_NOT_NEGOTIATED;
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);
dest = GST_VIDEO_FRAME_PLANE_DATA (&out_frame, 0);
width = GST_VIDEO_FRAME_WIDTH (&in_frame);
height = GST_VIDEO_FRAME_HEIGHT (&in_frame);
GST_OBJECT_LOCK (filter);
switch (filter->mode) {
default:
@ -246,9 +256,7 @@ gst_optv_transform (GstBaseTransform * trans, GstBuffer * in, GstBuffer * out)
filter->phase -= filter->speed;
diff = filter->diff;
image_y_over (src, diff, filter->threshold, filter->width * filter->height);
height = filter->height;
width = filter->width;
image_y_over (src, diff, filter->threshold, width * height);
phase = filter->phase;
for (y = 0; y < height; y++) {
@ -259,7 +267,23 @@ gst_optv_transform (GstBaseTransform * trans, GstBuffer * in, GstBuffer * out)
}
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 gboolean
@ -267,32 +291,36 @@ gst_optv_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
GstCaps * outcaps)
{
GstOpTV *filter = GST_OPTV (btrans);
GstStructure *structure;
gboolean ret = FALSE;
GstVideoInfo info;
gint i, 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)) {
gint i;
filter->info = info;
for (i = 0; i < 4; i++) {
if (filter->opmap[i])
g_free (filter->opmap[i]);
filter->opmap[i] = g_new (gint8, filter->width * filter->height);
}
setOpmap (filter->opmap, filter->width, filter->height);
width = GST_VIDEO_INFO_WIDTH (&info);
height = GST_VIDEO_INFO_HEIGHT (&info);
if (filter->diff)
g_free (filter->diff);
filter->diff = g_new (guint8, filter->width * filter->height);
ret = TRUE;
for (i = 0; i < 4; i++) {
if (filter->opmap[i])
g_free (filter->opmap[i]);
filter->opmap[i] = g_new (gint8, width * height);
}
GST_OBJECT_UNLOCK (filter);
setOpmap (filter->opmap, width, height);
return ret;
if (filter->diff)
g_free (filter->diff);
filter->diff = g_new (guint8, width * height);
return TRUE;
/* ERRORS */
invalid_caps:
{
GST_DEBUG_OBJECT (filter, "invalid caps received");
return FALSE;
}
}
static gboolean
@ -373,27 +401,11 @@ gst_optv_get_property (GObject * object, guint prop_id, GValue * value,
}
}
static void
gst_optv_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_set_details_simple (element_class, "OpTV effect",
"Filter/Effect/Video",
"Optical art meets real-time video effect",
"FUKUCHI, Kentarou <fukuchi@users.sourceforge.net>, "
"Sebastian Dröge <sebastian.droege@collabora.co.uk>");
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_optv_sink_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_optv_src_template));
}
static void
gst_optv_class_init (GstOpTVClass * klass)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
GstElementClass *gstelement_class = (GstElementClass *) klass;
GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
gobject_class->set_property = gst_optv_set_property;
@ -416,6 +428,17 @@ gst_optv_class_init (GstOpTVClass * klass)
"Luma threshold", 0, G_MAXINT, DEFAULT_THRESHOLD,
GST_PARAM_CONTROLLABLE | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_details_simple (gstelement_class, "OpTV effect",
"Filter/Effect/Video",
"Optical art meets real-time video effect",
"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_optv_sink_template));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_optv_src_template));
trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_optv_set_caps);
trans_class->transform = GST_DEBUG_FUNCPTR (gst_optv_transform);
trans_class->start = GST_DEBUG_FUNCPTR (gst_optv_start);
@ -424,7 +447,7 @@ gst_optv_class_init (GstOpTVClass * klass)
}
static void
gst_optv_init (GstOpTV * filter, GstOpTVClass * klass)
gst_optv_init (GstOpTV * filter)
{
filter->speed = DEFAULT_SPEED;
filter->mode = DEFAULT_MODE;

3
gst/effectv/gstop.h
View file

@ -29,6 +29,7 @@
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/video/gstvideofilter.h>
G_BEGIN_DECLS
@ -52,7 +53,7 @@ struct _GstOpTV
GstVideoFilter element;
/* < private > */
gint width, height;
GstVideoInfo info;
gint mode;
gint speed;