frequencytables.cpp File Reference

#include <utility>
#include <QMutex>
#include "frequencies.h"
#include "frequencytables.h"
#include "channelutil.h"
#include "compat.h"

Include dependency graph for frequencytables.cpp:

Go to the source code of this file.

Macros
#define	FREQ(A, B, C, D, E, F, G, H, I)
#define	US_MAX_CHAN   159
#define	EIA_542_FREQUENCY(A, B, C)   ( ( (A) * ( 8 + (C) ) ) + (B) )

Functions
static void	init_freq_tables (freq_table_map_t &)
static freq_table_list_t	get_matching_freq_tables_internal (const QString &format, const QString &modulation, const QString &country)
static bool	init_freq_tables (void)
bool	teardown_frequency_tables (void)
freq_table_list_t	get_matching_freq_tables (const QString &format, const QString &modulation, const QString &country)
long long	get_center_frequency (const QString &format, const QString &modulation, const QString &country, int freqid)
int	get_closest_freqid (const QString &format, QString modulation, const QString &country, long long centerfreq)

Variables
static bool	frequencies_initialized = false
static QMutex	frequencies_lock
static freq_table_map_t	frequencies

Macro Definition Documentation

FREQ

#define FREQ	(		A,
			B,
			C,
			D,
			E,
			F,
			G,
			H,
			I
	)

Value:

fmap[QString("atsc_%1_us%2").arg(A).arg(B)] = \
        new FrequencyTable((C)+(D), E, F, G, H, I);

US_MAX_CHAN

#define US_MAX_CHAN   159

EIA_542_FREQUENCY

#define EIA_542_FREQUENCY	(		A,
			B,
			C
	)		( ( (A) * ( 8 + (C) ) ) + (B) )

Function Documentation

init_freq_tables() [1/2]

static void init_freq_tables ( freq_table_map_t &  fmap )

static

Definition at line 318 of file frequencytables.cpp.

Referenced by get_center_frequency(), get_matching_freq_tables(), and init_freq_tables().

get_matching_freq_tables_internal()

static freq_table_list_t get_matching_freq_tables_internal ( const QString &  format, const QString &  modulation, const QString &  country  )

static

Definition at line 227 of file frequencytables.cpp.

Referenced by get_center_frequency(), get_closest_freqid(), and get_matching_freq_tables().

init_freq_tables() [2/2]

static bool init_freq_tables ( void  )

static

Definition at line 206 of file frequencytables.cpp.

teardown_frequency_tables()

bool teardown_frequency_tables

(

void

)

Definition at line 216 of file frequencytables.cpp.

Referenced by ChannelScanSM::~ChannelScanSM().

get_matching_freq_tables()

freq_table_list_t get_matching_freq_tables	(	const QString &	format,
		const QString &	modulation,
		const QString &	country
	)

Definition at line 248 of file frequencytables.cpp.

Referenced by PaneATSC::FetchFrequencyTables(), and ChannelScanSM::ScanTransports().

get_center_frequency()

long long get_center_frequency	(	const QString &	format,
		const QString &	modulation,
		const QString &	country,
		int	freqid
	)

Definition at line 264 of file frequencytables.cpp.

Referenced by get_atsc_stuff().

get_closest_freqid()

int get_closest_freqid	(	const QString &	format,
		QString	modulation,
		const QString &	country,
		long long	centerfreq
	)

Definition at line 287 of file frequencytables.cpp.

Variable Documentation

frequencies_initialized

bool frequencies_initialized = false

static

Definition at line 10 of file frequencytables.cpp.

Referenced by init_freq_tables(), and teardown_frequency_tables().

frequencies_lock

QMutex frequencies_lock

static

Definition at line 11 of file frequencytables.cpp.

Referenced by get_center_frequency(), get_matching_freq_tables(), and teardown_frequency_tables().

frequencies

freq_table_map_t frequencies

static

Definition at line 12 of file frequencytables.cpp.

Referenced by get_matching_freq_tables_internal(), init_freq_tables(), and teardown_frequency_tables().