gstreamer/ext/dv/gstdvdemux.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 __GST_DVDEMUX_H__
#define __GST_DVDEMUX_H__


#include <gst/gst.h>
#include <libdv/dv.h>
#include <gst/base/gstadapter.h>


G_BEGIN_DECLS


#define GST_TYPE_DVDEMUX \
  (gst_dvdemux_get_type())
#define GST_DVDEMUX(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DVDEMUX,GstDVDemux))
#define GST_DVDEMUX_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DVDEMUX,GstDVDemux))
#define GST_IS_DVDEMUX(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DVDEMUX))
#define GST_IS_DVDEMUX_CLASS(obj) \
  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DVDEMUX))


typedef struct _GstDVDemux GstDVDemux;
typedef struct _GstDVDemuxClass GstDVDemuxClass;


struct _GstDVDemux {
  GstElement 	 element;

  GstPad 	*sinkpad;
  GstPad        *videosrcpad;
  GstPad        *audiosrcpad;

  dv_decoder_t 	*decoder;

  GstAdapter    *adapter;
  gint 		 frame_len;

  /* PAL or NTSC flag */
  gboolean       PAL;
  /* video params */
  gint           framerate_numerator;
  gint           framerate_denominator;
  gint		 height;
  gboolean	 wide;
  /* audio params */
  gint     	 frequency;
  gint     	 channels;

  gint		 framecount;
  
  guint64	 timestamp;
  guint64	 duration;
  guint          total_frames;
  guint64	 audio_offset;
  guint64	 video_offset;

  gint64	 start_byte;
  gint64	 stop_byte;
  gint64	 start_timestamp;
  gint64	 stop_timestamp;

  gboolean	 need_discont;
  gboolean	 new_media;
  
  gboolean       found_header;

  gint16 	*audio_buffers[4];
};

struct _GstDVDemuxClass {
  GstElementClass parent_class;
};


GType gst_dvdemux_get_type (void);


G_END_DECLS


#endif /* __GST_DVDEMUX_H__ */