gsttheoradec.h 2.49 KB
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/* GStreamer
 * Copyright (C) 2004 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_THEORADEC_H__
#define __GST_THEORADEC_H__

#ifdef HAVE_CONFIG_H
#  include "config.h"
#endif

#include <gst/gst.h>
#include <theora/theora.h>
#include <string.h>

G_BEGIN_DECLS

#define GST_TYPE_THEORA_DEC \
  (gst_theora_dec_get_type())
#define GST_THEORA_DEC(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_THEORA_DEC,GstTheoraDec))
#define GST_THEORA_DEC_CLASS(klass) \
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  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_THEORA_DEC,GstTheoraDecClass))
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#define GST_IS_THEORA_DEC(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_THEORA_DEC))
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#define GST_IS_THEORA_DEC_CLASS(klass) \
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  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_THEORA_DEC))

typedef struct _GstTheoraDec GstTheoraDec;
typedef struct _GstTheoraDecClass GstTheoraDecClass;

/**
 * GstTheoraDec:
 *
 * Opaque object data structure.
 */
struct _GstTheoraDec
{
  GstElement element;

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  /* Pads */
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  GstPad *sinkpad;
  GstPad *srcpad;

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  /* theora decoder state */
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  theora_state state;
  theora_info info;
  theora_comment comment;

  gboolean have_header;
  guint64 granulepos;
  guint64 granule_shift;

  GstClockTime last_timestamp;
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  guint64 frame_nr; /* unused */
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  gboolean need_keyframe;
  gint width, height;
  gint offset_x, offset_y;

  gboolean crop;

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  /* list of buffers that need timestamps */
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  GList *queued;
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  /* list of raw output buffers */
  GList *output;
  /* gather/decode queues for reverse playback */
  GList *gather;
  GList *decode;
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  /* segment info */ /* with STREAM_LOCK */
  GstSegment segment;
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  gboolean discont;
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  /* QoS stuff */ /* with LOCK*/
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  gdouble proportion;
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  GstClockTime earliest_time;
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};

struct _GstTheoraDecClass
{
  GstElementClass parent_class;
};

G_END_DECLS

#endif /* __GST_THEORADEC_H__ */