gstreamer/subprojects/gst-plugins-good/ext/libpng/gstpngdec.h

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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) 2012 Collabora Ltd.
* Author : Edward Hervey <edward@collabora.com>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_PNGDEC_H__
#define __GST_PNGDEC_H__
#include <gst/gst.h>
#include <gst/video/gstvideodecoder.h>
#include <png.h>
G_BEGIN_DECLS
#define GST_TYPE_PNGDEC (gst_pngdec_get_type())
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G_DECLARE_FINAL_TYPE (GstPngDec, gst_pngdec, GST, PNGDEC, GstVideoDecoder)
struct _GstPngDec
{
GstVideoDecoder parent;
GstVideoCodecState *input_state;
GstVideoCodecState *output_state;
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GstMapInfo current_frame_map;
GstVideoCodecFrame *current_frame;
GstFlowReturn ret;
png_structp png;
png_infop info;
png_infop endinfo;
gint color_type;
gboolean image_ready;
gsize read_data;
};
GST_ELEMENT_REGISTER_DECLARE (pngdec);
G_END_DECLS
#endif /* __GST_PNGDEC_H__ */