gstreamer/ext/mad/gstmad.h

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/* GStreamer
* Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>
*
* 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_MAD_H__
#define __GST_MAD_H__
#include <gst/gst.h>
#include <gst/tag/tag.h>
#include <mad.h>
G_BEGIN_DECLS
#define GST_TYPE_MAD \
(gst_mad_get_type())
#define GST_MAD(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MAD,GstMad))
#define GST_MAD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MAD,GstMadClass))
#define GST_IS_MAD(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MAD))
#define GST_IS_MAD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MAD))
typedef struct _GstMad GstMad;
typedef struct _GstMadClass GstMadClass;
struct _GstMad
{
GstElement element;
/* pads */
GstPad *sinkpad, *srcpad;
/* state */
struct mad_stream stream;
struct mad_frame frame;
struct mad_synth synth;
guchar *tempbuffer; /* temporary buffer to serve to mad */
glong tempsize; /* running count of temp buffer size */
GstClockTime last_ts;
guint64 base_byte_offset;
guint64 bytes_consumed; /* since the base_byte_offset */
guint64 total_samples; /* the number of samples since the sync point */
gboolean in_error; /* set when mad's in an error state */
gboolean restart;
gboolean discont;
guint64 segment_start;
GstSegment segment;
gboolean need_newsegment;
/* info */
struct mad_header header;
gboolean new_header;
guint framecount;
gint vbr_average; /* average bitrate */
guint64 vbr_rate; /* average * framecount */
gboolean half;
gboolean ignore_crc;
GstTagList *tags;
/* negotiated format */
gint rate, pending_rate;
gint channels, pending_channels;
gint times_pending;
gboolean caps_set; /* used to keep track of whether to change/update caps */
GstIndex *index;
gint index_id;
gboolean check_for_xing;
gboolean xing_found;
gboolean framed; /* whether there is a demuxer in front of us */
GList *pending_events;
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/* reverse playback */
GList *decode;
GList *gather;
GList *queued;
gboolean process;
};
struct _GstMadClass
{
GstElementClass parent_class;
};
GType gst_mad_get_type (void);
G_END_DECLS
#endif /* __GST_MAD_H__ */