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259 lines
7 KiB
C
259 lines
7 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) <2003> David Schleef <ds@schleef.org>
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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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/*
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* This file was (probably) generated from
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* gstvideotemplate.c,v 1.18 2005/11/14 02:13:34 thomasvs Exp
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* and
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* $Id: make_filter,v 1.8 2004/04/19 22:51:57 ds Exp $
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include <gst/base/gstbasetransform.h>
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#include <gst/video/video.h>
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#include <cog/cogframe.h>
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#include <string.h>
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#include <math.h>
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#define GST_TYPE_COG_FILTER \
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(gst_cog_filter_get_type())
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#define GST_COG_FILTER(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_COG_FILTER,GstCogFilter))
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#define GST_COG_FILTER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_COG_FILTER,GstCogFilterClass))
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#define GST_IS_COG_FILTER(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_COG_FILTER))
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#define GST_IS_COG_FILTER_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_COG_FILTER))
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typedef struct _GstCogFilter GstCogFilter;
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typedef struct _GstCogFilterClass GstCogFilterClass;
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struct _GstCogFilter
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{
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GstBaseTransform base_transform;
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int wavelet_type;
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int level;
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GstVideoFormat format;
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CogFrame *tmp_frame;
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int16_t *tmpbuf;
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int frame_number;
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};
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struct _GstCogFilterClass
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{
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GstBaseTransformClass parent_class;
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};
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/* GstCogFilter 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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ARG_WAVELET_TYPE,
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ARG_LEVEL
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/* FILL ME */
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};
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GType gst_cog_filter_get_type (void);
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static void gst_cog_filter_base_init (gpointer g_class);
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static void gst_cog_filter_class_init (gpointer g_class, gpointer class_data);
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static void gst_cog_filter_init (GTypeInstance * instance, gpointer g_class);
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static void gst_cog_filter_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_cog_filter_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static GstFlowReturn gst_cog_filter_transform_ip (GstBaseTransform *
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base_transform, GstBuffer * buf);
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static GstStaticPadTemplate gst_cog_filter_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
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);
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static GstStaticPadTemplate gst_cog_filter_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
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);
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GType
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gst_cog_filter_get_type (void)
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{
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static GType compress_type = 0;
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if (!compress_type) {
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static const GTypeInfo compress_info = {
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sizeof (GstCogFilterClass),
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gst_cog_filter_base_init,
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NULL,
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gst_cog_filter_class_init,
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NULL,
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NULL,
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sizeof (GstCogFilter),
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0,
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gst_cog_filter_init,
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};
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compress_type = g_type_register_static (GST_TYPE_BASE_TRANSFORM,
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"GstCogFilter", &compress_info, 0);
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}
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return compress_type;
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}
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static void
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gst_cog_filter_base_init (gpointer g_class)
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{
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static GstElementDetails compress_details =
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GST_ELEMENT_DETAILS ("Cog Video Filter",
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"Filter/Effect/Video",
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"Applies a cog pre-filter to video",
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"David Schleef <ds@schleef.org>");
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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//GstBaseTransformClass *base_transform_class = GST_BASE_TRANSFORM_CLASS (g_class);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_cog_filter_src_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_cog_filter_sink_template));
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gst_element_class_set_details (element_class, &compress_details);
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}
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static void
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gst_cog_filter_class_init (gpointer g_class, gpointer class_data)
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{
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GObjectClass *gobject_class;
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GstBaseTransformClass *base_transform_class;
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GstCogFilterClass *filter_class;
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gobject_class = G_OBJECT_CLASS (g_class);
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base_transform_class = GST_BASE_TRANSFORM_CLASS (g_class);
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filter_class = GST_COG_FILTER_CLASS (g_class);
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gobject_class->set_property = gst_cog_filter_set_property;
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gobject_class->get_property = gst_cog_filter_get_property;
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g_object_class_install_property (gobject_class, ARG_WAVELET_TYPE,
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g_param_spec_int ("wavelet-type", "wavelet type", "wavelet type",
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0, 4, 0, G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class, ARG_LEVEL,
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g_param_spec_int ("level", "level", "level",
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0, 100, 0, G_PARAM_READWRITE));
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base_transform_class->transform_ip = gst_cog_filter_transform_ip;
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}
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static void
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gst_cog_filter_init (GTypeInstance * instance, gpointer g_class)
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{
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//GstCogFilter *compress = GST_COG_FILTER (instance);
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//GstBaseTransform *btrans = GST_BASE_TRANSFORM (instance);
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GST_DEBUG ("gst_cog_filter_init");
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}
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static void
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gst_cog_filter_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstCogFilter *src;
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g_return_if_fail (GST_IS_COG_FILTER (object));
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src = GST_COG_FILTER (object);
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GST_DEBUG ("gst_cog_filter_set_property");
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switch (prop_id) {
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case ARG_WAVELET_TYPE:
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src->wavelet_type = g_value_get_int (value);
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break;
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case ARG_LEVEL:
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src->level = g_value_get_int (value);
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break;
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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_cog_filter_get_property (GObject * object, guint prop_id, GValue * value,
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GParamSpec * pspec)
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{
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GstCogFilter *src;
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g_return_if_fail (GST_IS_COG_FILTER (object));
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src = GST_COG_FILTER (object);
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switch (prop_id) {
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case ARG_WAVELET_TYPE:
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g_value_set_int (value, src->wavelet_type);
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break;
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case ARG_LEVEL:
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g_value_set_int (value, src->level);
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break;
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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 GstFlowReturn
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gst_cog_filter_transform_ip (GstBaseTransform * base_transform, GstBuffer * buf)
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{
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GstCogFilter *compress;
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CogFrame *frame;
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int width, height;
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g_return_val_if_fail (GST_IS_COG_FILTER (base_transform), GST_FLOW_ERROR);
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compress = GST_COG_FILTER (base_transform);
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gst_structure_get_int (gst_caps_get_structure (buf->caps, 0),
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"width", &width);
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gst_structure_get_int (gst_caps_get_structure (buf->caps, 0),
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"height", &height);
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frame = cog_frame_new_from_data_I420 (GST_BUFFER_DATA (buf), width, height);
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//cog_frame_filter_lowpass2 (frame, 5.0);
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return GST_FLOW_OK;
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}
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