gstreamer/sys/dvb/gstdvbsrc.h
Reynaldo H. Verdejo Pinochet e68a6d48cb dvbsrc: smarten up tuning logic
* Drop remaining sleep() logic in favor of polling
* Use best guess delivery system if none is set
* Make tuning/locking timeout configurable
* Add signals for tuning start, done and fail
* Drop gst_dvbsrc_frontend_status(). It was used only
  for signal LOCK checking. This is now part of the
  tuning/locking loop
* Break up frontend configuration and tuning
  on separate functions

Plus:

* Add some more useful DEBUG/TRACE messages
* Move over misplaced DVB API message
* Fix wrong comment for default DVB buffer size (http://linuxtv.org/downloads/v4l-dvb-apis/dmx_fcalls.html#DMX_SET_BUFFER_SIZE)

This patch builds up on previous work done by
Fabrizio (Misto) Milo <mistobaan@gmail.com>

https://bugzilla.gnome.org/show_bug.cgi?id=641204
2014-05-30 16:41:27 +02:00

102 lines
2 KiB
C

#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; /* the device directory with the sub-devices */
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__ */