gstreamer/sys/dvb/gstdvbsrc.h

#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 DEFAULT_DEVICE "/dev/dvb/adapter0"
#define DEFAULT_SYMBOL_RATE 0
#define DEFAULT_BUFFER_SIZE  8192
#define DEFAULT_DISEQC_SRC -1   /* disabled */

#define MAX_FILTERS 32

/* #define's don't like whitespacey bits */
#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;

    int adapter_type;

    int adapter_number;       /* the device directory with the sub-devices */
    int frontend_number;

    int fd_frontend;
    int fd_dvr;
    int fd_filters[MAX_FILTERS];

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

    int bandwidth;
    int code_rate_hp;
    int code_rate_lp;
    int modulation;
    int guard_interval;
    int transmission_mode;
    int hierarchy_information;
    int inversion;

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

  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__ */