gstreamer/gst/wavparse/gstriff.h

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