1 /* GStreamer 2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> 3 * Copyright (C) 2012 Collabora Ltd. 4 * Author : Edward Hervey <edward@collabora.com> 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public 17 * License along with this library; if not, write to the 18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 */ 21 22 23 #ifndef __GST_PNGDEC_H__ 24 #define __GST_PNGDEC_H__ 25 26 #include <gst/gst.h> 27 #include <gst/video/gstvideodecoder.h> 28 #include <png.h> 29 30 G_BEGIN_DECLS 31 32 #define GST_TYPE_PNGDEC (gst_pngdec_get_type()) 33 G_DECLARE_FINAL_TYPE (GstPngDec, gst_pngdec, GST, PNGDEC, GstVideoDecoder) 34 35 struct _GstPngDec 36 { 37 GstVideoDecoder parent; 38 39 GstVideoCodecState *input_state; 40 GstVideoCodecState *output_state; 41 GstMapInfo current_frame_map; 42 GstVideoCodecFrame *current_frame; 43 44 GstFlowReturn ret; 45 46 png_structp png; 47 png_infop info; 48 png_infop endinfo; 49 50 gint color_type; 51 52 gboolean image_ready; 53 gsize read_data; 54 }; 55 56 GST_ELEMENT_REGISTER_DECLARE (pngdec); 57 58 G_END_DECLS 59 60 #endif /* __GST_PNGDEC_H__ */ 61