mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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Copy the timestamp too. funny effects: ./gst-launch filesrc location=/opt/data/AlienSong.mpg ! mpegdemux video_%02d! ...
Original commit message from CVS:
Copy the timestamp too.
funny effects:
./gst-launch filesrc location=/opt/data/AlienSong.mpg ! mpegdemux video_%02d! { queue ! mpeg2dec ! colorspace ! edgeTV ! colorspace ! xvideosink }
./gst-launch filesrc location=/opt/data/south.mp3 ! mad ! goom ! edgeTV ! colorspace ! xvideosink
This commit is contained in:
Wim Taymans
parent
cca77e215b
commit
191ef94d89
2 changed files with 373 additions and 0 deletions
9
gst/effectv/Makefile.am
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9
gst/effectv/Makefile.am
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@ -0,0 +1,9 @@
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plugindir = $(libdir)/gst
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plugin_LTLIBRARIES = libgsteffectv.la
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libgsteffectv_la_SOURCES = gsteffectv.c
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libgsteffectv_la_CFLAGS = $(GST_CFLAGS)
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libgsteffectv_la_LIBADD =
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libgsteffectv_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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364
gst/effectv/gsteffectv.c
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364
gst/effectv/gsteffectv.c
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@ -0,0 +1,364 @@
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/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <string.h>
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#include <gst/gst.h>
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#define GST_TYPE_EFFECTV \
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(gst_effectv_get_type())
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#define GST_EFFECTV(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_EFFECTV,GstEffecTV))
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#define GST_EFFECTV_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstEffecTV))
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#define GST_IS_EFFECTV(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_EFFECTV))
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#define GST_IS_EFFECTV_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_EFFECTV))
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typedef struct _GstEffecTV GstEffecTV;
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typedef struct _GstEffecTVClass GstEffecTVClass;
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struct _GstEffecTV
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{
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GstElement element;
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GstPad *sinkpad, *srcpad;
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gint width, height;
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gint map_width, map_height;
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guint32 *map;
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gint video_width_margin;
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};
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struct _GstEffecTVClass
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{
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GstElementClass parent_class;
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};
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static GstElementDetails effectv_details = {
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"EffecTV",
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"Filter/Effect",
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"Aply edge detect on video",
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VERSION,
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"Wim Taymans <wim.taymans@chello.be>",
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"(C) 2002",
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};
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/* Filter signals and args */
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enum
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{
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/* FILL ME */
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LAST_SIGNAL
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};
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enum
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{
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ARG_0,
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};
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GST_PAD_TEMPLATE_FACTORY (effectv_src_factory,
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"src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_CAPS_NEW (
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"effectv_src",
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"video/raw",
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"format", GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")),
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"bpp", GST_PROPS_INT (32),
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"depth", GST_PROPS_INT (32),
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"endianness", GST_PROPS_INT (G_BYTE_ORDER),
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"red_mask", GST_PROPS_INT (0xff0000),
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"green_mask", GST_PROPS_INT (0xff00),
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"blue_mask", GST_PROPS_INT (0xff),
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"width", GST_PROPS_INT_RANGE (16, 4096),
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"height", GST_PROPS_INT_RANGE (16, 4096)
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)
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)
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GST_PAD_TEMPLATE_FACTORY (effectv_sink_factory,
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"sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_CAPS_NEW (
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"effectv_src",
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"video/raw",
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"format", GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")),
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"bpp", GST_PROPS_INT (32),
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"depth", GST_PROPS_INT (32),
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"endianness", GST_PROPS_INT (G_BYTE_ORDER),
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"red_mask", GST_PROPS_INT (0xff0000),
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"green_mask", GST_PROPS_INT (0xff00),
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"blue_mask", GST_PROPS_INT (0xff),
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"width", GST_PROPS_INT_RANGE (16, 4096),
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"height", GST_PROPS_INT_RANGE (16, 4096)
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)
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)
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static GType gst_effectv_get_type (void);
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static void gst_effectv_class_init (GstEffecTVClass * klass);
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static void gst_effectv_init (GstEffecTV * filter);
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static void gst_effectv_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_effectv_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static void gst_effectv_chain (GstPad * pad, GstBuffer * buf);
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static GstElementClass *parent_class = NULL;
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/*static guint gst_filter_signals[LAST_SIGNAL] = { 0 }; */
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static GType gst_effectv_get_type (void)
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{
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static GType effectv_type = 0;
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if (!effectv_type) {
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static const GTypeInfo effectv_info = {
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sizeof (GstEffecTVClass), NULL,
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NULL,
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(GClassInitFunc) gst_effectv_class_init,
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NULL,
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NULL,
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sizeof (GstEffecTV),
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0,
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(GInstanceInitFunc) gst_effectv_init,
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};
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effectv_type = g_type_register_static (GST_TYPE_ELEMENT, "GstEffecTV", &effectv_info, 0);
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}
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return effectv_type;
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}
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static void
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gst_effectv_class_init (GstEffecTVClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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gobject_class->set_property = gst_effectv_set_property;
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gobject_class->get_property = gst_effectv_get_property;
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}
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static GstPadConnectReturn
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gst_effectv_sinkconnect (GstPad * pad, GstCaps * caps)
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{
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GstEffecTV *filter;
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filter = GST_EFFECTV (gst_pad_get_parent (pad));
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if (!GST_CAPS_IS_FIXED (caps))
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return GST_PAD_CONNECT_DELAYED;
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gst_caps_get_int (caps, "width", &filter->width);
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gst_caps_get_int (caps, "height", &filter->height);
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filter->map_width = filter->width / 4;
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filter->map_height = filter->height / 4;
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filter->video_width_margin = filter->width - filter->map_width * 4;
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g_free (filter->map);
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filter->map = (guint32 *)g_malloc (filter->map_width * filter->map_height * sizeof(guint32) * 2);
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bzero(filter->map, filter->map_width * filter->map_height * sizeof(guint32) * 2);
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if (gst_pad_try_set_caps (filter->srcpad, caps)) {
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return GST_PAD_CONNECT_OK;
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}
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return GST_PAD_CONNECT_REFUSED;
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}
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static void
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gst_effectv_init (GstEffecTV * filter)
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{
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filter->sinkpad = gst_pad_new_from_template (effectv_sink_factory (), "sink");
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gst_pad_set_chain_function (filter->sinkpad, gst_effectv_chain);
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gst_pad_set_connect_function (filter->sinkpad, gst_effectv_sinkconnect);
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gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
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filter->srcpad = gst_pad_new_from_template (effectv_src_factory (), "src");
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gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
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filter->map = NULL;
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}
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static void
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gst_effectv_chain (GstPad * pad, GstBuffer * buf)
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{
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GstEffecTV *filter;
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int x, y;
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int r, g, b;
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guint32 *src, *dest;
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guint32 p, q;
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guint32 v0, v1, v2, v3;
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GstBuffer *outbuf;
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filter = GST_EFFECTV (gst_pad_get_parent (pad));
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src = (guint32 *) GST_BUFFER_DATA (buf);
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outbuf = gst_buffer_new ();
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GST_BUFFER_SIZE (outbuf) = (filter->width * filter->height * 4);
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dest = (guint32 *) GST_BUFFER_DATA (outbuf) = g_malloc (GST_BUFFER_SIZE (outbuf));
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GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
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src += filter->width * 4 + 4;
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dest += filter->width * 4 + 4;
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for (y = 1; y < filter->map_height - 1; y++) {
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for (x = 1; x < filter->map_width - 1; x++) {
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p = *src;
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q = *(src - 4);
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/* difference between the current pixel and right neighbor. */
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r = ((p & 0xff0000) - (q & 0xff0000)) >> 16;
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g = ((p & 0xff00) - (q & 0xff00)) >> 8;
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b = (p & 0xff) - (q & 0xff);
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r *= r;
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g *= g;
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b *= b;
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r = r >> 5; /* To lack the lower bit for saturated addition, */
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g = g >> 5; /* devide the value with 32, instead of 16. It is */
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b = b >> 4; /* same as `v2 &= 0xfefeff' */
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if (r > 127)
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r = 127;
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if (g > 127)
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g = 127;
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if (b > 255)
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b = 255;
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v2 = (r << 17) | (g << 9) | b;
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/* difference between the current pixel and upper neighbor. */
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q = *(src - filter->width * 4);
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r = ((p & 0xff0000) - (q & 0xff0000)) >> 16;
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g = ((p & 0xff00) - (q & 0xff00)) >> 8;
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b = (p & 0xff) - (q & 0xff);
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r *= r;
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g *= g;
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b *= b;
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r = r >> 5;
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g = g >> 5;
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b = b >> 4;
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if (r > 127)
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r = 127;
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if (g > 127)
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g = 127;
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if (b > 255)
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b = 255;
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v3 = (r << 17) | (g << 9) | b;
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v0 = filter->map[(y - 1) * filter->map_width * 2 + x * 2];
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v1 = filter->map[y * filter->map_width * 2 + (x - 1) * 2 + 1];
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filter->map[y * filter->map_width * 2 + x * 2] = v2;
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filter->map[y * filter->map_width * 2 + x * 2 + 1] = v3;
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r = v0 + v1;
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g = r & 0x01010100;
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dest[0] = r | (g - (g >> 8));
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r = v0 + v3;
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g = r & 0x01010100;
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dest[1] = r | (g - (g >> 8));
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dest[2] = v3;
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dest[3] = v3;
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r = v2 + v1;
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g = r & 0x01010100;
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dest[filter->width] = r | (g - (g >> 8));
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r = v2 + v3;
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g = r & 0x01010100;
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dest[filter->width + 1] = r | (g - (g >> 8));
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dest[filter->width + 2] = v3;
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dest[filter->width + 3] = v3;
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dest[filter->width * 2] = v2;
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dest[filter->width * 2 + 1] = v2;
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dest[filter->width * 3] = v2;
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dest[filter->width * 3 + 1] = v2;
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src += 4;
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dest += 4;
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}
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src += filter->width * 3 + 8 + filter->video_width_margin;
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dest += filter->width * 3 + 8 + filter->video_width_margin;
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}
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gst_buffer_unref (buf);
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gst_pad_push (filter->srcpad, outbuf);
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}
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static void
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gst_effectv_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec)
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{
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GstEffecTV *filter;
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/* it's not null if we got it, but it might not be ours */
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g_return_if_fail (GST_IS_EFFECTV (object));
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filter = GST_EFFECTV (object);
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switch (prop_id) {
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default:
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break;
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}
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}
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static void
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gst_effectv_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec)
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{
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GstEffecTV *filter;
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/* it's not null if we got it, but it might not be ours */
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g_return_if_fail (GST_IS_EFFECTV (object));
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filter = GST_EFFECTV (object);
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static gboolean
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plugin_init (GModule * module, GstPlugin * plugin)
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{
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GstElementFactory *factory;
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factory = gst_element_factory_new ("edgeTV", GST_TYPE_EFFECTV, &effectv_details);
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g_return_val_if_fail (factory != NULL, FALSE);
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gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (effectv_src_factory));
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gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (effectv_sink_factory));
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gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
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return TRUE;
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}
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GstPluginDesc plugin_desc = {
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GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"effectv",
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plugin_init
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};
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