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Classes | |
struct | t38_gateway_state_t |
Defines | |
#define | _SPANDSP_T38_GATEWAY_H_ |
#define | T38_RX_BUF_LEN 2048 |
#define | T38_NON_ECM_TX_BUF_LEN 16384 |
#define | T38_TX_HDLC_BUFS 256 |
#define | T38_MAX_HDLC_LEN 260 |
Functions | |
t38_gateway_state_t * | t38_gateway_init (t38_gateway_state_t *s, t38_tx_packet_handler_t *tx_packet_handler, void *tx_packet_user_data) |
Initialise a gateway mode T.38 context. | |
int | t38_gateway_rx (t38_gateway_state_t *s, int16_t amp[], int len) |
Process a block of received FAX audio samples. | |
int | t38_gateway_tx (t38_gateway_state_t *s, int16_t amp[], int max_len) |
Generate a block of FAX audio samples. | |
void | t38_gateway_set_ecm_capability (t38_gateway_state_t *s, int ecm_allowed) |
Control whether error correcting mode (ECM) is allowed. | |
void | t38_gateway_set_transmit_on_idle (t38_gateway_state_t *s, int transmit_on_idle) |
void | t38_gateway_set_supported_modems (t38_gateway_state_t *s, int supported_modems) |
void | t38_gateway_set_nsx_suppression (t38_gateway_state_t *s, int suppress_nsx) |
t38_gateway_state_t* t38_gateway_init | ( | t38_gateway_state_t * | s, | |
t38_tx_packet_handler_t * | tx_packet_handler, | |||
void * | tx_packet_user_data | |||
) |
Initialise a gateway mode T.38 context.
s | The T.38 context. | |
tx_packet_handler | A callback routine to encapsulate and transmit T.38 packets. | |
tx_packet_user_data | An opaque pointer passed to the tx_packet_handler routine. |
int t38_gateway_rx | ( | t38_gateway_state_t * | s, | |
int16_t | amp[], | |||
int | len | |||
) |
Process a block of received FAX audio samples.
Process a block of received FAX audio samples.
s | The T.38 context. | |
amp | The audio sample buffer. | |
len | The number of samples in the buffer. |
void t38_gateway_set_ecm_capability | ( | t38_gateway_state_t * | s, | |
int | ecm_allowed | |||
) |
Control whether error correcting mode (ECM) is allowed.
Control whether error correcting mode (ECM) is allowed.
s | The T.38 context. | |
ecm_allowed | TRUE is ECM is to be allowed. |
int t38_gateway_tx | ( | t38_gateway_state_t * | s, | |
int16_t | amp[], | |||
int | max_len | |||
) |
Generate a block of FAX audio samples.
Generate a block of FAX audio samples.
s | The T.38 context. | |
amp | The audio sample buffer. | |
max_len | The number of samples to be generated. |