/* * GStreamer * Copyright 2007 Edgard Lima <edgard.lima@indt.org.br> * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Alternatively, the contents of this file may be used under the * GNU Lesser General Public License Version 2.1 (the "LGPL"), in * which case the following provisions apply instead of the ones * mentioned above: * * 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 __METADATAPARSE_PNG_H__ #define __METADATAPARSE_PNG_H__ /* * includes */ #include <gst/base/gstadapter.h> #include "metadatatypes.h" G_BEGIN_DECLS /* * enum and types */ typedef enum _tag_PngParseState { PNG_PARSE_NULL, PNG_PARSE_READING, PNG_PARSE_JUMPING, PNG_PARSE_XMP, PNG_PARSE_DONE } PngParseState; typedef struct _tag_PngParseData { PngParseState state; GstAdapter ** xmp_adapter; MetadataChunkArray * strip_chunks; gboolean parse_only; guint32 read; } PngParseData; /* * external function prototypes */ extern void metadataparse_png_init (PngParseData * png_data, GstAdapter ** exif_adpt, GstAdapter ** iptc_adpt, GstAdapter ** xmp_adpt, MetadataChunkArray * strip_chunks, MetadataChunkArray * inject_chunks, gboolean parse_only); extern void metadataparse_png_dispose (PngParseData * png_data); extern void metadataparse_png_lazy_update (PngParseData * png_data); extern MetadataParsingReturn metadataparse_png_parse (PngParseData * png_data, guint8 * buf, guint32 * bufsize, const guint32 offset, guint8 ** next_start, guint32 * next_size); G_END_DECLS #endif /* __METADATAPARSE_PNG_H__ */