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109 lines
3.1 KiB
C
109 lines
3.1 KiB
C
/* 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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#ifndef __GST_VIDEOFILTER_H__
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#define __GST_VIDEOFILTER_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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typedef struct _GstVideofilter GstVideofilter;
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typedef struct _GstVideofilterClass GstVideofilterClass;
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typedef void (*GstVideofilterFilterFunc)(GstVideofilter *filter,
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void *out_data, void *in_data);
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typedef void (*GstVideofilterSetupFunc)(GstVideofilter *filter);
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typedef struct _GstVideofilterFormat GstVideofilterFormat;
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struct _GstVideofilterFormat {
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char *fourcc;
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int bpp;
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GstVideofilterFilterFunc filter_func;
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int depth;
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unsigned int endianness;
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unsigned int red_mask;
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unsigned int green_mask;
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unsigned int blue_mask;
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};
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#define GST_TYPE_VIDEOFILTER \
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(gst_videofilter_get_type())
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#define GST_VIDEOFILTER(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEOFILTER,GstVideofilter))
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#define GST_VIDEOFILTER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VIDEOFILTER,GstVideofilterClass))
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#define GST_IS_VIDEOFILTER(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEOFILTER))
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#define GST_IS_VIDEOFILTER_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VIDEOFILTER))
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struct _GstVideofilter {
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GstElement element;
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GstPad *sinkpad,*srcpad;
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/* video state */
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gboolean inited;
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GstVideofilterFormat *format;
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gint to_width;
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gint to_height;
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gint from_width;
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gint from_height;
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gboolean passthru;
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/* private */
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gint from_buf_size;
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gint to_buf_size;
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gdouble framerate;
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GstBuffer *in_buf;
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GstBuffer *out_buf;
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};
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struct _GstVideofilterClass {
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GstElementClass parent_class;
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GPtrArray *formats;
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GstVideofilterSetupFunc setup;
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};
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GType gst_videofilter_get_type(void);
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int gst_videofilter_get_input_width(GstVideofilter *videofilter);
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int gst_videofilter_get_input_height(GstVideofilter *videofilter);
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void gst_videofilter_set_output_size(GstVideofilter *videofilter,
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int width, int height);
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GstVideofilterFormat *gst_videofilter_find_format_by_structure (GstVideofilter *filter,
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const GstStructure *structure);
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GstCaps *gst_videofilter_class_get_capslist(GstVideofilterClass *videofilterclass);
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void gst_videofilter_class_add_format(GstVideofilterClass *videofilterclass,
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GstVideofilterFormat *format);
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void gst_videofilter_class_add_pad_templates (GstVideofilterClass *videofilterclass);
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G_END_DECLS
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#endif /* __GST_VIDEOFILTER_H__ */
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