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/* GStreamer RIFF I/O
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* riff-read.h: function declarations for parsing a RIFF file
*
* 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_READ_H__
#define __GST_RIFF_READ_H__
#include <glib.h>
#include <gst/gst.h>
#include <gst/bytestream/bytestream.h>
G_BEGIN_DECLS
#define GST_TYPE_RIFF_READ \
(gst_riff_read_get_type ())
#define GST_RIFF_READ(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_RIFF_READ, GstRiffRead))
#define GST_RIFF_READ_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_RIFF_READ, GstRiffReadClass))
#define GST_IS_RIFF_READ(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_RIFF_READ))
#define GST_IS_RIFF_READ_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_RIFF_READ))
#define GST_RIFF_READ_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_RIFF_READ, GstRiffReadClass))
typedef struct _GstRiffLevel {
guint64 start,
length;
} GstRiffLevel;
typedef struct _GstRiffRead {
GstElement parent;
GstPad *sinkpad;
GstByteStream *bs;
GList *level;
/* metadata */
GstCaps *metadata;
} GstRiffRead;
typedef struct _GstRiffReadClass {
GstElementClass parent;
} GstRiffReadClass;
GType gst_riff_read_get_type (void);
guint32 gst_riff_peek_tag (GstRiffRead *riff,
guint *level_up);
guint32 gst_riff_peek_list (GstRiffRead *riff);
GstEvent *gst_riff_read_seek (GstRiffRead *riff,
guint64 offset);
gboolean gst_riff_read_skip (GstRiffRead *riff);
gboolean gst_riff_read_data (GstRiffRead *riff,
guint32 *tag,
GstBuffer **buf);
gboolean gst_riff_read_ascii (GstRiffRead *riff,
guint32 *tag,
gchar **str);
gboolean gst_riff_read_list (GstRiffRead *riff,
guint32 *tag);
gboolean gst_riff_read_header (GstRiffRead *read,
guint32 *doctype);
/*
* Utility functions (including byteswapping).
*/
gboolean gst_riff_read_strh (GstRiffRead *riff,
gst_riff_strh **header);
gboolean gst_riff_read_strf_vids (GstRiffRead *riff,
gst_riff_strf_vids **header);
gboolean gst_riff_read_strf_auds (GstRiffRead *riff,
gst_riff_strf_auds **header);
gboolean gst_riff_read_strf_iavs (GstRiffRead *riff,
gst_riff_strf_iavs **header);
gboolean gst_riff_read_info (GstRiffRead *riff);
G_END_DECLS
#endif /* __GST_RIFF_READ_H__ */
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