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b2a023be7b
Original commit message from CVS: Added new module for common functions. Using GST_TYPE_FRACTION for Exif (S)Rational types.
96 lines
3.4 KiB
C
96 lines
3.4 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 __GST_METADATA_COMMON_H__
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#define __GST_METADATA_COMMON_H__
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#include "metadata.h"
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G_BEGIN_DECLS
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typedef struct _GstMetadataCommon GstMetadataCommon;
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typedef enum _tag_MetadataState
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{
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MT_STATE_NULL, /* still need to check media type */
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MT_STATE_PARSED
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} MetadataState;
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struct _GstMetadataCommon {
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MetaData metadata;
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gint64 duration_orig; /* durarion of stream */
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gint64 duration; /* durarion of modified stream */
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GstBuffer * append_buffer;
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MetadataState state;
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};
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extern void
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gst_metadata_common_init(GstMetadataCommon *common, gboolean parse, guint8 options);
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extern void
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gst_metadata_common_dispose(GstMetadataCommon *common);
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extern gboolean
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gst_metadata_common_strip_push_buffer (GstMetadataCommon *common, gint64 offset_orig,
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GstBuffer ** prepend, GstBuffer ** buf);
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extern gboolean
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gst_metadata_common_translate_pos_to_orig (GstMetadataCommon *common,
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gint64 pos, gint64 * orig_pos, GstBuffer ** buf);
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extern gboolean
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gst_metadata_common_calculate_offsets (GstMetadataCommon *common);
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extern void
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gst_metadata_common_update_segment_with_new_buffer (GstMetadataCommon *common,
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guint8 ** buf, guint32 * size, MetadataChunkType type);
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extern const gchar *
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gst_metadata_common_get_type_name (int img_type);
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G_END_DECLS
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#endif /* __GST_METADATA_COMMON_H__ */
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