gstreamer/ext/metadata/metadatatypes.h
Edgard Lima b043a6f5e1 Add documentation. Speed up a bit png muxer. Fix xmp muxer.
Original commit message from CVS:
Add documentation. Speed up a bit png muxer. Fix xmp muxer.
2008-01-30 16:05:24 +00:00

116 lines
3.8 KiB
C

/*
* 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 __METADATATYPES_H__
#define __METADATATYPES_H__
/*
* includes
*/
#include <glib.h>
G_BEGIN_DECLS
/*
* enum and types
*/
/* *INDENT-OFF* */
typedef enum _tag_MetadataParsingReturn {
META_PARSING_ERROR = -1,
META_PARSING_DONE = 0,
META_PARSING_NEED_MORE_DATA = 1
} MetadataParsingReturn;
/* *INDENT-ON* */
typedef enum _tag_MetadataChunkType
{
MD_CHUNK_UNKNOWN,
MD_CHUNK_EXIF,
MD_CHUNK_IPTC,
MD_CHUNK_XMP
} MetadataChunkType;
typedef struct _tag_MetadataChunk
{
gint64 offset_orig; /* from the beginning of original file */
/*here just for convinience (filled by element) offset in new stream */
gint64 offset;
guint32 size; /* chunk or buffer size */
guint8 *data;
MetadataChunkType type; /* used by mux to see what tags to insert here */
} MetadataChunk;
typedef struct _tag_MetadataChunkArray
{
MetadataChunk *chunk;
gsize len; /* number of chunks into aray */
gsize allocated_len; /* number of slots into the array to store chunks */
} MetadataChunkArray;
/*
* external function prototypes
*/
extern void
metadata_chunk_array_init (MetadataChunkArray * array, gsize alloc_size);
extern void metadata_chunk_array_free (MetadataChunkArray * array);
extern void metadata_chunk_array_clear (MetadataChunkArray * array);
extern void
metadata_chunk_array_append (MetadataChunkArray * array, MetadataChunk * chunk);
extern void
metadata_chunk_array_append_sorted (MetadataChunkArray * array,
MetadataChunk * chunk);
extern void metadata_chunk_array_remove_zero_size (MetadataChunkArray * array);
extern void
metadata_chunk_array_remove_by_index (MetadataChunkArray * array, guint32 i);
G_END_DECLS
#endif /* __METADATATYPES_H__ */