gstreamer/ext/vorbis/vorbisdec.h

/* GStreamer
 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
 *
 * 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 __VORBISDEC_H__
#define __VORBISDEC_H__


#include <config.h>
#include <gst/gst.h>

#include <vorbis/codec.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */


#define GST_TYPE_VORBISDEC \
  (vorbisdec_get_type())
#define GST_VORBISDEC(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VORBISDEC,VorbisDec))
#define GST_VORBISDEC_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VORBISDEC,VorbisDecClass))
#define GST_IS_VORBISDEC(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VORBISDEC))
#define GST_IS_VORBISDEC_CLASS(obj) \
  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VORBISDEC))

typedef struct _VorbisDec VorbisDec;
typedef struct _VorbisDecClass VorbisDecClass;

struct _VorbisDec {
  GstElement element;

  GstPad *sinkpad,*srcpad;

  ogg_sync_state   oy; /* sync and verify incoming physical bitstream */
  ogg_stream_state os; /* take physical pages, weld into a logical
			                                stream of packets */
  ogg_page         og; /* one Ogg bitstream page.  Vorbis packets are inside */
  ogg_packet       op; /* one raw packet of data for decode */
	   
  vorbis_info      vi; /* struct that stores all the static vorbis bitstream
				                              settings */
  vorbis_comment   vc; /* struct that stores all the bitstream user comments */
  vorbis_dsp_state vd; /* central working state for the packet->PCM decoder */
  vorbis_block     vb; /* local working space for packet->PCM decode */

  gboolean eos;
  int16_t convsize;
  guint64 total_out;
};

struct _VorbisDecClass {
  GstElementClass parent_class;
};

GType vorbisdec_get_type(void);


#ifdef __cplusplus
}
#endif /* __cplusplus */


#endif /* __VORBISDEC_H__ */