gstreamer/ext/libpng/gstpngenc.h

/* 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_PNGENC_H__
#define __GST_PNGENC_H__

#include <gst/gst.h>
#include <gst/video/video.h>
#include <png.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */


#define GST_TYPE_PNGENC            (gst_pngenc_get_type())
#define GST_PNGENC(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PNGENC,GstPngEnc))
#define GST_PNGENC_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PNGENC,GstPngEncClass))
#define GST_IS_PNGENC(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PNGENC))
#define GST_IS_PNGENC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PNGENC))

typedef struct _GstPngEnc GstPngEnc;
typedef struct _GstPngEncClass GstPngEncClass;

struct _GstPngEnc
{
  GstElement element;

  GstPad *sinkpad, *srcpad;
  GstBuffer *buffer_out;
  guint written;

  png_structp png_struct_ptr;
  png_infop png_info_ptr;

  GstVideoInfo info;
  gint png_color_type;
  gint depth;
  gint width;
  gint height;
  guint compression_level;

  gboolean snapshot;
  gboolean newmedia;
};

struct _GstPngEncClass
{
  GstElementClass parent_class;
};

GType gst_pngenc_get_type(void);


#ifdef __cplusplus
}
#endif /* __cplusplus */


#endif /* __GST_PNGENC_H__ */