2002-03-20 21:45:03 +00:00
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/* GStreamer
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2001-12-22 23:27:31 +00:00
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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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_RIFF_H__
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#define __GST_RIFF_H__
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#include <gst/gstbuffer.h>
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#include <gst/gstplugin.h>
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#define GST_RIFF_ENOTRIFF -1 /* not a RIFF file */
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typedef struct _GstRiff GstRiff;
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typedef struct _GstRiffChunk GstRiffChunk;
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struct _GstRiff {
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guint32 form;
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/* list of chunks, most recent at the head */
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GList *chunks;
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/* parse state */
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gint state;
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guint32 curoffset;
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guint32 nextlikely;
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};
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struct _GstRiffChunk {
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gulong offset;
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guint32 id;
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guint32 size;
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};
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GstRiff *gst_riff_new();
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gint gst_riff_next_buffer(GstRiff *riff,GstBuffer *buf,gulong off);
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GList *gst_riff_get_chunk_list(GstRiff *riff);
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GstRiffChunk *gst_riff_get_chunk(GstRiff *riff,gchar *fourcc);
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GstRiffChunk *gst_riff_get_chunk_number(GstRiff *riff,gint number);
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gulong gst_riff_get_nextlikely(GstRiff *riff);
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gulong gst_riff_fourcc_to_id(gchar *fourcc);
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gchar *gst_riff_id_to_fourcc(gulong id);
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#endif /* __GST_RIFF_H__ */
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