gstreamer/sys/dvb/gstdvbsrc.h

/* GStreamer DVB source
 * Copyright (C) 2006 Zaheer Abbas Merali <zaheerabbas at merali
 *                                         dot org>
 * Copyright (C) 2014 Samsung Electronics. All rights reserved.
 *     @Author: Reynaldo H. Verdejo Pinochet <r.verdejo@sisa.samsung.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., 51 Franklin St, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifndef __GST_DVBSRC_H__
#define __GST_DVBSRC_H__

#include <gst/gst.h>
#include <gst/base/gstpushsrc.h>

G_BEGIN_DECLS

 typedef enum
{
  DVB_POL_H,
  DVB_POL_V,
  DVB_POL_ZERO
} GstDvbSrcPol;


#define IPACKS 2048
#define TS_SIZE 188
#define IN_SIZE TS_SIZE*10

#define MAX_FILTERS 32

#define GST_TYPE_DVBSRC \
  (gst_dvbsrc_get_type())
#define GST_DVBSRC(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DVBSRC,GstDvbSrc))
#define GST_DVBSRC_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DVBSRC,GstDvbSrcClass))
#define GST_IS_DVBSRC(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DVBSRC))
#define GST_IS_DVBSRC_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DVBSRC))

typedef struct _GstDvbSrc GstDvbSrc;
typedef struct _GstDvbSrcClass GstDvbSrcClass;
typedef struct _GstDvbSrcParam GstDvbSrcParam;

struct _GstDvbSrc
{
  GstPushSrc element;
  GstPad *srcpad;

  GMutex tune_mutex;
  gboolean need_tune;

  guchar delsys;
  guchar best_guess_delsys;

  int adapter_number;
  int frontend_number;

  int fd_frontend;
  int fd_dvr;
  int fd_filters[MAX_FILTERS];
  GstPoll *poll;
  GstPollFD poll_fd_dvr;

  guint16 pids[MAX_FILTERS];
  unsigned int freq;
  unsigned int sym_rate;
  int tone;
  int diseqc_src;
  gboolean send_diseqc;

  guint bandwidth;
  int code_rate_hp;
  int code_rate_lp;
  int modulation;
  int guard_interval;
  int transmission_mode;
  int hierarchy_information;
  int inversion;
  int pilot;
  int rolloff;
  int stream_id;
  guint64 timeout;
  guint64 tuning_timeout;

  GstDvbSrcPol pol;
  guint stats_interval;
  guint stats_counter;
  gboolean need_unlock;

  guint dvb_buffer_size;
};

struct _GstDvbSrcClass
{
  GstPushSrcClass parent_class;

  void (*adapter_type) (GstElement * element, gint type);
  void (*signal_quality) (GstElement * element, gint strength, gint snr);
};


GType gst_dvbsrc_get_type (void);
gboolean gst_dvbsrc_plugin_init (GstPlugin * plugin);

G_END_DECLS
#endif /* __GST_DVBSRC_H__ */