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104 lines
3.2 KiB
C
104 lines
3.2 KiB
C
/*
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* GStreamer
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* Copyright 2007 Edgard Lima <edgard.lima@indt.org.br>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Alternatively, the contents of this file may be used under the
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* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
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* which case the following provisions apply instead of the ones
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* mentioned above:
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __METADATAPARSE_PNG_H__
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#define __METADATAPARSE_PNG_H__
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/*
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* includes
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*/
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#include <gst/base/gstadapter.h>
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#include "metadatatypes.h"
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G_BEGIN_DECLS
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/*
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* enum and types
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*/
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typedef enum _tag_PngParseState
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{
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PNG_PARSE_NULL,
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PNG_PARSE_READING,
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PNG_PARSE_JUMPING,
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PNG_PARSE_XMP,
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PNG_PARSE_DONE
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} PngParseState;
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typedef struct _tag_PngParseData
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{
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PngParseState state;
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GstAdapter ** xmp_adapter;
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MetadataChunkArray * strip_chunks;
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gboolean parse_only;
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guint32 read;
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} PngParseData;
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/*
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* external function prototypes
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*/
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extern void
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metadataparse_png_init (PngParseData * png_data, GstAdapter ** exif_adpt,
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GstAdapter ** iptc_adpt, GstAdapter ** xmp_adpt,
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MetadataChunkArray * strip_chunks, MetadataChunkArray * inject_chunks,
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gboolean parse_only);
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extern void metadataparse_png_dispose (PngParseData * png_data);
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extern void metadataparse_png_lazy_update (PngParseData * png_data);
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extern MetadataParsingReturn
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metadataparse_png_parse (PngParseData * png_data, guint8 * buf,
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guint32 * bufsize, const guint32 offset, guint8 ** next_start,
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guint32 * next_size);
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G_END_DECLS
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#endif /* __METADATAPARSE_PNG_H__ */
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