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/* GStreamer
* Copyright (C) <2008> Pioneers of the Inevitable <songbird@songbirdnest.com>
*
* 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_AIFFPARSE_H__
#define __GST_AIFFPARSE_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
G_BEGIN_DECLS
#define TYPE_AIFFPARSE \
(gst_aiffparse_get_type())
#define AIFFPARSE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),TYPE_AIFFPARSE,AIFFParse))
#define AIFFPARSE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),TYPE_AIFFPARSE,AIFFParseClass))
#define IS_AIFFPARSE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),TYPE_AIFFPARSE))
#define IS_AIFFPARSE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),TYPE_AIFFPARSE))
typedef enum {
AIFFPARSE_START,
AIFFPARSE_HEADER,
AIFFPARSE_DATA
} AIFFParseState;
typedef struct _AIFFParse AIFFParse;
typedef struct _AIFFParseClass AIFFParseClass;
/**
* AIFFParse:
*
* Opaque data structure.
*/
struct _AIFFParse {
GstElement parent;
/* pads */
GstPad *sinkpad,*srcpad;
GstCaps *caps;
GstEvent *close_segment;
GstEvent *start_segment;
/* AIFF decoding state */
AIFFParseState state;
/* format of audio, see defines below */
gint format;
gboolean is_aifc;
/* useful audio data */
guint32 rate;
guint16 channels;
guint16 width;
guint16 depth;
guint32 endianness;
/* real bytes per second used or 0 when no bitrate is known */
guint32 bps;
guint bytes_per_sample;
guint32 total_frames;
guint32 ssnd_offset;
guint32 ssnd_blocksize;
/* position in data part */
guint64 offset;
guint64 end_offset;
guint64 dataleft;
/* offset/length of data part */
guint64 datastart;
guint64 datasize;
/* duration in time */
guint64 duration;
/* pending seek */
GstEvent *seek_event;
/* For streaming */
GstAdapter *adapter;
gboolean got_comm;
gboolean streaming;
/* configured segment, start/stop expressed in time */
GstSegment segment;
gboolean segment_running;
/* discont after seek */
gboolean discont;
};
struct _AIFFParseClass {
GstElementClass parent_class;
};
GType aiffparse_get_type(void);
G_END_DECLS
#endif /* __GST_AIFFPARSE_H__ */
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