gstreamer/ext/libpng/gstpngdec.h
Wim Taymans e4908795d7 ext/libpng/: Added png decoder.
Original commit message from CVS:
* ext/libpng/Makefile.am:
* ext/libpng/gstpng.c: (plugin_init):
* ext/libpng/gstpngdec.c: (user_error_fn), (user_warning_fn),
(gst_pngdec_get_type), (gst_pngdec_base_init),
(gst_pngdec_class_init), (gst_pngdec_sinklink), (gst_pngdec_init),
(gst_pngdec_src_getcaps), (user_read_data), (gst_pngdec_chain):
* ext/libpng/gstpngdec.h:
Added png decoder.
2004-07-16 10:56:31 +00:00

74 lines
1.8 KiB
C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* 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.
*/
#ifndef __GST_PNGDEC_H__
#define __GST_PNGDEC_H__
#include <gst/gst.h>
#include <png.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define GST_TYPE_PNGDEC (gst_pngdec_get_type())
#define GST_PNGDEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PNGDEC,GstPngDec))
#define GST_PNGDEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PNGDEC,GstPngDec))
#define GST_IS_PNGDEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PNGDEC))
#define GST_IS_PNGDEC_CLASS(obj)(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PNGDEC))
typedef struct _GstPngDec GstPngDec;
typedef struct _GstPngDecClass GstPngDecClass;
struct _GstPngDec
{
GstElement element;
GstPad *sinkpad, *srcpad;
GstBuffer *buffer_in;
gint offset;
png_structp png;
png_infop info;
png_infop endinfo;
gint width;
gint height;
gint bpp;
gint color_type;
gdouble fps;
};
struct _GstPngDecClass
{
GstElementClass parent_class;
};
GType gst_pngdec_get_type(void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GST_PNGDEC_H__ */