gstreamer/gst/audioparsers/gstflacparse.h

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/* GStreamer
*
* Copyright (C) 2008 Sebastian Dröge <sebastian.droege@collabora.co.uk>.
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* Copyright (C) 2009 Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
* Copyright (C) 2009 Nokia Corporation. All rights reserved.
* Contact: Stefan Kost <stefan.kost@nokia.com>
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*
* 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_FLAC_PARSE_H__
#define __GST_FLAC_PARSE_H__
#include <gst/gst.h>
#include <gst/base/gstbaseparse.h>
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G_BEGIN_DECLS
#define GST_TYPE_FLAC_PARSE (gst_flac_parse_get_type())
#define GST_FLAC_PARSE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FLAC_PARSE,GstFlacParse))
#define GST_FLAC_PARSE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FLAC_PARSE,GstFlacParseClass))
#define GST_FLAC_PARSE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_FLAC_PARSE,GstFlacParseClass))
#define GST_IS_FLAC_PARSE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FLAC_PARSE))
#define GST_IS_FLAC_PARSE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FLAC_PARSE))
#define GST_FLAC_PARSE_CAST(obj) ((GstFlacParse *)(obj))
typedef struct _GstFlacParse GstFlacParse;
typedef struct _GstFlacParseClass GstFlacParseClass;
typedef enum {
GST_FLAC_PARSE_STATE_INIT,
GST_FLAC_PARSE_STATE_HEADERS,
GST_FLAC_PARSE_STATE_GENERATE_HEADERS,
GST_FLAC_PARSE_STATE_DATA
} GstFlacParseState;
typedef struct {
guint8 type;
} GstFlacParseSubFrame;
struct _GstFlacParse {
GstBaseParse parent;
/* Properties */
gboolean check_frame_checksums;
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GstFlacParseState state;
gint64 upstream_length;
/* STREAMINFO content */
guint16 min_blocksize, max_blocksize;
guint32 min_framesize, max_framesize;
guint32 samplerate;
guint8 channels;
guint8 bps;
guint64 total_samples;
/* Current frame */
guint64 offset;
guint8 blocking_strategy;
guint16 block_size;
guint64 sample_number;
gboolean strategy_checked;
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GstTagList *tags;
GstToc *toc;
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GList *headers;
GstBuffer *seektable;
gboolean force_variable_block_size;
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};
struct _GstFlacParseClass {
GstBaseParseClass parent_class;
};
GType gst_flac_parse_get_type (void);
G_END_DECLS
#endif /* __GST_FLAC_PARSE_H__ */