*
* 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.
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*/
/*
* <refsect2>
* <title>Example launch line</title>
* |[
- * gst-launch -v videotestsrc ! warptv ! videoconvert ! autovideosink
+ * gst-launch-1.0 -v videotestsrc ! warptv ! videoconvert ! autovideosink
* ]| This pipeline shows the effect of warptv on a test stream.
* </refsect2>
*/
#include <math.h>
#include "gstwarp.h"
-#include <gst/video/gstmetavideo.h>
+#include <gst/video/gstvideometa.h>
#include <gst/video/gstvideopool.h>
#ifndef M_PI
);
static gboolean
-gst_warptv_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
- GstCaps * outcaps)
+gst_warptv_set_info (GstVideoFilter * vfilter, GstCaps * incaps,
+ GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info)
{
- GstWarpTV *filter = GST_WARPTV (btrans);
- GstVideoInfo info;
+ GstWarpTV *filter = GST_WARPTV (vfilter);
gint width, height;
- if (!gst_video_info_from_caps (&info, incaps))
- goto invalid_caps;
-
- filter->info = info;
-
- width = GST_VIDEO_INFO_WIDTH (&info);
- height = GST_VIDEO_INFO_HEIGHT (&info);
+ width = GST_VIDEO_INFO_WIDTH (in_info);
+ height = GST_VIDEO_INFO_HEIGHT (in_info);
g_free (filter->disttable);
filter->disttable = g_malloc (width * height * sizeof (guint32));
initDistTable (filter, width, height);
return TRUE;
-
- /* ERRORS */
-invalid_caps:
- {
- GST_DEBUG_OBJECT (filter, "invalid caps received");
- return FALSE;
- }
}
static gint32 sintable[1024 + 256];
{
gint32 halfw, halfh, *distptr;
gint x, y;
-#ifdef PS2
float m;
-#else
- float m;
-#endif
halfw = width >> 1;
halfh = height >> 1;
}
static GstFlowReturn
-gst_warptv_transform (GstBaseTransform * trans, GstBuffer * in, GstBuffer * out)
+gst_warptv_transform_frame (GstVideoFilter * filter, GstVideoFrame * in_frame,
+ GstVideoFrame * out_frame)
{
- GstWarpTV *warptv = GST_WARPTV (trans);
+ GstWarpTV *warptv = GST_WARPTV (filter);
gint width, height;
gint xw, yw, cw;
gint32 c, i, x, y, dx, dy, maxx, maxy;
gint32 *ctable;
guint32 *src, *dest;
gint sstride, dstride;
- GstVideoFrame in_frame, out_frame;
- gst_video_frame_map (&in_frame, &warptv->info, in, GST_MAP_READ);
- gst_video_frame_map (&out_frame, &warptv->info, out, GST_MAP_WRITE);
+ src = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0);
+ dest = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0);
- src = GST_VIDEO_FRAME_PLANE_DATA (&in_frame, 0);
- dest = GST_VIDEO_FRAME_PLANE_DATA (&out_frame, 0);
+ sstride = GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 0);
+ dstride = GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 0);
- sstride = GST_VIDEO_FRAME_PLANE_STRIDE (&in_frame, 0) / 4;
- dstride = GST_VIDEO_FRAME_PLANE_STRIDE (&out_frame, 0) / 4;
-
- width = GST_VIDEO_FRAME_WIDTH (&in_frame);
- height = GST_VIDEO_FRAME_HEIGHT (&in_frame);
+ width = GST_VIDEO_FRAME_WIDTH (in_frame);
+ height = GST_VIDEO_FRAME_HEIGHT (in_frame);
GST_OBJECT_LOCK (warptv);
xw = (gint) (sin ((warptv->tval + 100) * M_PI / 128) * 30);
else if (dy > maxy)
dy = maxy;
- dest[x] = src[dy * sstride + dx];
+ dest[x] = src[dy * sstride / 4 + dx];
}
- dest += dstride;
+ dest += dstride / 4;
}
warptv->tval = (warptv->tval + 1) & 511;
GST_OBJECT_UNLOCK (warptv);
- gst_video_frame_unmap (&in_frame);
- gst_video_frame_unmap (&out_frame);
-
return GST_FLOW_OK;
}
return TRUE;
}
-static gboolean
-gst_wraptv_decide_allocation (GstBaseTransform * trans, GstQuery * query)
-{
- GstBufferPool *pool = NULL;
- guint size, min, max, prefix, alignment;
-
- gst_query_parse_allocation_params (query, &size, &min, &max, &prefix,
- &alignment, &pool);
-
- if (pool) {
- GstStructure *config;
-
- config = gst_buffer_pool_get_config (pool);
- gst_buffer_pool_config_add_option (config,
- GST_BUFFER_POOL_OPTION_META_VIDEO);
- gst_buffer_pool_set_config (pool, config);
- }
- return TRUE;
-}
-
static void
gst_warptv_finalize (GObject * object)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
GstElementClass *gstelement_class = (GstElementClass *) klass;
GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
+ GstVideoFilterClass *vfilter_class = (GstVideoFilterClass *) klass;
gobject_class->finalize = gst_warptv_finalize;
- gst_element_class_set_details_simple (gstelement_class, "WarpTV effect",
+ gst_element_class_set_static_metadata (gstelement_class, "WarpTV effect",
"Filter/Effect/Video",
"WarpTV does realtime goo'ing of the video input",
"Sam Lantinga <slouken@devolution.com>");
- gst_element_class_add_pad_template (gstelement_class,
- gst_static_pad_template_get (&gst_warptv_sink_template));
- gst_element_class_add_pad_template (gstelement_class,
- gst_static_pad_template_get (&gst_warptv_src_template));
+ gst_element_class_add_static_pad_template (gstelement_class,
+ &gst_warptv_sink_template);
+ gst_element_class_add_static_pad_template (gstelement_class,
+ &gst_warptv_src_template);
trans_class->start = GST_DEBUG_FUNCPTR (gst_warptv_start);
- trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_warptv_set_caps);
- trans_class->decide_allocation =
- GST_DEBUG_FUNCPTR (gst_wraptv_decide_allocation);
- trans_class->transform = GST_DEBUG_FUNCPTR (gst_warptv_transform);
+
+ vfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_warptv_set_info);
+ vfilter_class->transform_frame =
+ GST_DEBUG_FUNCPTR (gst_warptv_transform_frame);
initSinTable ();
}
static void
gst_warptv_init (GstWarpTV * warptv)
{
- gst_pad_use_fixed_caps (GST_BASE_TRANSFORM_SRC_PAD (warptv));
- gst_pad_use_fixed_caps (GST_BASE_TRANSFORM_SINK_PAD (warptv));
+ /* nothing to do */
}
projects / platform / upstream / gst-plugins-good.git / blobdiff