/* 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,GstPngDecClass))

#define GST_IS_PNGDEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PNGDEC))

#define GST_IS_PNGDEC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PNGDEC))

typedef struct _GstPngDec GstPngDec;

typedef struct _GstPngDecClass GstPngDecClass;

struct _GstPngDec

{

  GstElement element;

  GstPad *sinkpad, *srcpad;

  gboolean need_newsegment;

  /* Progressive */

  GstBuffer *buffer_out;

  GstFlowReturn ret;

  png_uint_32 rowbytes;

  /* Pull range */

  gint offset;

  png_structp png;

  png_infop info;

  png_infop endinfo;

  gboolean setup;

  gint width;

  gint height;

  gint bpp;

  gint color_type;

  gint fps_n;

  gint fps_d;

  /* Chain */

  gboolean framed;

  GstClockTime in_timestamp;

  GstClockTime in_duration;

  GstSegment segment;

  gboolean image_ready;

};

struct _GstPngDecClass

{

  GstElementClass parent_class;

};

GType gst_pngdec_get_type(void);

#ifdef __cplusplus

}

#endif /* __cplusplus */

#endif /* __GST_PNGDEC_H__ */