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3a1737c076
Original commit message from CVS: Rewrote wavparse to use riff-read instead of doing bytestream stuff by hand. Made some useful functions in riff-read non-static.
107 lines
3.4 KiB
C
107 lines
3.4 KiB
C
/* GStreamer RIFF I/O
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* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
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*
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* riff-read.h: function declarations for parsing a RIFF file
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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_READ_H__
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#define __GST_RIFF_READ_H__
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#include <glib.h>
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#include <gst/gst.h>
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#include <gst/bytestream/bytestream.h>
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G_BEGIN_DECLS
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#define GST_TYPE_RIFF_READ \
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(gst_riff_read_get_type ())
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#define GST_RIFF_READ(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_RIFF_READ, GstRiffRead))
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#define GST_RIFF_READ_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_RIFF_READ, GstRiffReadClass))
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#define GST_IS_RIFF_READ(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_RIFF_READ))
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#define GST_IS_RIFF_READ_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_RIFF_READ))
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#define GST_RIFF_READ_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_RIFF_READ, GstRiffReadClass))
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typedef struct _GstRiffLevel {
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guint64 start,
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length;
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} GstRiffLevel;
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typedef struct _GstRiffRead {
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GstElement parent;
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GstPad *sinkpad;
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GstByteStream *bs;
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GList *level;
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} GstRiffRead;
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typedef struct _GstRiffReadClass {
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GstElementClass parent;
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} GstRiffReadClass;
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GType gst_riff_read_get_type (void);
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guint32 gst_riff_peek_tag (GstRiffRead *riff,
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guint *level_up);
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guint32 gst_riff_peek_list (GstRiffRead *riff);
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gboolean gst_riff_peek_head (GstRiffRead *riff,
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guint32 *tag,
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guint32 *length,
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guint *level_up);
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GstEvent *gst_riff_read_seek (GstRiffRead *riff,
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guint64 offset);
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gboolean gst_riff_read_skip (GstRiffRead *riff);
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gboolean gst_riff_read_data (GstRiffRead *riff,
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guint32 *tag,
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GstBuffer **buf);
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gboolean gst_riff_read_ascii (GstRiffRead *riff,
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guint32 *tag,
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gchar **str);
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gboolean gst_riff_read_list (GstRiffRead *riff,
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guint32 *tag);
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gboolean gst_riff_read_header (GstRiffRead *read,
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guint32 *doctype);
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GstBuffer *gst_riff_read_element_data (GstRiffRead *riff,
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guint length,
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guint *got_bytes);
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/*
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* Utility functions (including byteswapping).
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*/
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gboolean gst_riff_read_strh (GstRiffRead *riff,
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gst_riff_strh **header);
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gboolean gst_riff_read_strf_vids (GstRiffRead *riff,
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gst_riff_strf_vids **header);
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gboolean gst_riff_read_strf_vids_with_data
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(GstRiffRead *riff,
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gst_riff_strf_vids **header,
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GstBuffer **extradata);
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gboolean gst_riff_read_strf_auds (GstRiffRead *riff,
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gst_riff_strf_auds **header);
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gboolean gst_riff_read_strf_iavs (GstRiffRead *riff,
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gst_riff_strf_iavs **header);
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gboolean gst_riff_read_info (GstRiffRead *riff);
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G_END_DECLS
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#endif /* __GST_RIFF_READ_H__ */
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