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Typedefs | |
typedef struct fax_state_s | fax_state_t |
Functions | |
int | fax_rx (fax_state_t *s, int16_t *amp, int len) |
Apply T.30 receive processing to a block of audio samples. | |
int | fax_rx_fillin (fax_state_t *s, int len) |
Apply fake T.30 receive processing. | |
int | fax_tx (fax_state_t *s, int16_t *amp, int max_len) |
Apply T.30 transmit processing to generate a block of audio samples. | |
void | fax_set_transmit_on_idle (fax_state_t *s, int transmit_on_idle) |
Select whether silent audio will be sent when FAX transmit is idle. | |
void | fax_set_tep_mode (fax_state_t *s, int use_tep) |
Select whether TEP will be sent for the image modems. | |
t30_state_t * | fax_get_t30_state (fax_state_t *s) |
Get a pointer to the T.30 engine associated with a FAX context. | |
logging_state_t * | fax_get_logging_state (fax_state_t *s) |
Get a pointer to the logging context associated with a FAX context. | |
fax_state_t * | fax_init (fax_state_t *s, int calling_party) |
Initialise a FAX context. | |
int | fax_release (fax_state_t *s) |
Release a FAX context. | |
int | fax_free (fax_state_t *s) |
Free a FAX context. |
int fax_free | ( | fax_state_t * | s | ) |
Free a FAX context.
Free a FAX context.
s | The FAX context. |
References t30_release().
logging_state_t* fax_get_logging_state | ( | fax_state_t * | s | ) |
Get a pointer to the logging context associated with a FAX context.
Get a pointer to the logging context associated with a FAX context.
s | The FAX context. |
t30_state_t* fax_get_t30_state | ( | fax_state_t * | s | ) |
Get a pointer to the T.30 engine associated with a FAX context.
Get a pointer to the T.30 engine associated with a FAX context.
s | The FAX context. |
fax_state_t* fax_init | ( | fax_state_t * | s, | |
int | calling_party | |||
) |
Initialise a FAX context.
Initialise a FAX context.
s | The FAX context. | |
calling_party | TRUE if the context is for a calling party. FALSE if the context is for an answering party. |
References t30_init(), t30_restart(), t30_set_supported_modems(), T30_SUPPORT_V17, T30_SUPPORT_V27TER, and T30_SUPPORT_V29.
int fax_release | ( | fax_state_t * | s | ) |
Release a FAX context.
Release a FAX context.
s | The FAX context. |
References t30_release().
int fax_rx | ( | fax_state_t * | s, | |
int16_t * | amp, | |||
int | len | |||
) |
Apply T.30 receive processing to a block of audio samples.
Apply T.30 receive processing to a block of audio samples.
s | The FAX context. | |
amp | The audio sample buffer. | |
len | The number of samples in the buffer. |
References t30_timer_update().
int fax_rx_fillin | ( | fax_state_t * | s, | |
int | len | |||
) |
Apply fake T.30 receive processing.
Apply fake T.30 receive processing when a block of audio samples is missing (e.g due to packet loss).
s | The FAX context. | |
len | The number of samples to fake. |
References fsk_rx_fillin(), t30_timer_update(), v17_rx_fillin(), v27ter_rx_fillin(), and v29_rx_fillin().
void fax_set_tep_mode | ( | fax_state_t * | s, | |
int | use_tep | |||
) |
Select whether TEP will be sent for the image modems.
Select whether talker echo protection tone will be sent for the image modems.
s | The FAX context. | |
use_tep | TRUE if TEP should be sent. |
void fax_set_transmit_on_idle | ( | fax_state_t * | s, | |
int | transmit_on_idle | |||
) |
Select whether silent audio will be sent when FAX transmit is idle.
Select whether silent audio will be sent when FAX transmit is idle.
s | The FAX context. | |
transmit_on_idle | TRUE if silent audio should be output when the FAX transmitter is idle. FALSE to transmit zero length audio when the FAX transmitter is idle. The default behaviour is FALSE. |
int fax_tx | ( | fax_state_t * | s, | |
int16_t * | amp, | |||
int | max_len | |||
) |
Apply T.30 transmit processing to generate a block of audio samples.
Apply T.30 transmit processing to generate a block of audio samples.
s | The FAX context. | |
amp | The audio sample buffer. | |
max_len | The number of samples to be generated. |
References t30_front_end_status().