#include <sys/time.h>
Go to the source code of this file.
Classes | |
struct | t38_data_field_t |
struct | t38_core_state_s |
Defines | |
#define | _SPANDSP_T38_CORE_H_ |
#define | T38_RX_BUF_LEN 2048 |
#define | T38_TX_BUF_LEN 16384 |
Typedefs | |
typedef t38_core_state_s | t38_core_state_t |
typedef int() | t38_tx_packet_handler_t (t38_core_state_t *s, void *user_data, const uint8_t *buf, int len, int count) |
typedef int() | t38_rx_indicator_handler_t (t38_core_state_t *s, void *user_data, int indicator) |
typedef int() | t38_rx_data_handler_t (t38_core_state_t *s, void *user_data, int data_type, int field_type, const uint8_t *buf, int len) |
typedef int() | t38_rx_missing_handler_t (t38_core_state_t *s, void *user_data, int rx_seq_no, int expected_seq_no) |
Enumerations | |
enum | t30_indicator_types_e { T38_IND_NO_SIGNAL = 0, T38_IND_CNG, T38_IND_CED, T38_IND_V21_PREAMBLE, T38_IND_V27TER_2400_TRAINING, T38_IND_V27TER_4800_TRAINING, T38_IND_V29_7200_TRAINING, T38_IND_V29_9600_TRAINING, T38_IND_V17_7200_SHORT_TRAINING, T38_IND_V17_7200_LONG_TRAINING, T38_IND_V17_9600_SHORT_TRAINING, T38_IND_V17_9600_LONG_TRAINING, T38_IND_V17_12000_SHORT_TRAINING, T38_IND_V17_12000_LONG_TRAINING, T38_IND_V17_14400_SHORT_TRAINING, T38_IND_V17_14400_LONG_TRAINING, T38_IND_V8_ANSAM, T38_IND_V8_SIGNAL, T38_IND_V34_CNTL_CHANNEL_1200, T38_IND_V34_PRI_CHANNEL, T38_IND_V34_CC_RETRAIN, T38_IND_V33_12000_TRAINING, T38_IND_V33_14400_TRAINING } |
enum | t38_data_types_e { T38_DATA_NONE = -1, T38_DATA_V21 = 0, T38_DATA_V27TER_2400, T38_DATA_V27TER_4800, T38_DATA_V29_7200, T38_DATA_V29_9600, T38_DATA_V17_7200, T38_DATA_V17_9600, T38_DATA_V17_12000, T38_DATA_V17_14400, T38_DATA_V8, T38_DATA_V34_PRI_RATE, T38_DATA_V34_CC_1200, T38_DATA_V34_PRI_CH, T38_DATA_V33_12000, T38_DATA_V33_14400 } |
enum | t38_field_types_e { T38_FIELD_HDLC_DATA = 0, T38_FIELD_HDLC_SIG_END, T38_FIELD_HDLC_FCS_OK, T38_FIELD_HDLC_FCS_BAD, T38_FIELD_HDLC_FCS_OK_SIG_END, T38_FIELD_HDLC_FCS_BAD_SIG_END, T38_FIELD_T4_NON_ECM_DATA, T38_FIELD_T4_NON_ECM_SIG_END, T38_FIELD_CM_MESSAGE, T38_FIELD_JM_MESSAGE, T38_FIELD_CI_MESSAGE, T38_FIELD_V34RATE } |
enum | t38_field_classes_e { T38_FIELD_CLASS_NONE = 0, T38_FIELD_CLASS_HDLC, T38_FIELD_CLASS_NON_ECM } |
enum | t38_message_types_e { T38_TYPE_OF_MSG_T30_INDICATOR = 0, T38_TYPE_OF_MSG_T30_DATA } |
enum | t38_transport_types_e { T38_TRANSPORT_UDPTL = 0, T38_TRANSPORT_RTP, T38_TRANSPORT_TCP } |
Functions | |
const char * | t38_indicator (int indicator) |
Convert the code for an indicator to a short text name. | |
const char * | t38_data_type (int data_type) |
Convert the code for a type of data to a short text name. | |
const char * | t38_field_type (int field_type) |
Convert the code for a type of data field to a short text name. | |
int | t38_core_send_indicator (t38_core_state_t *s, int indicator, int count) |
Send an indicator packet. | |
int | t38_core_send_data (t38_core_state_t *s, int data_type, int field_type, const uint8_t *field, int field_len, int count) |
Send a data packet. | |
int | t38_core_send_data_multi_field (t38_core_state_t *s, int data_type, const t38_data_field_t *field, int fields, int count) |
Send a data packet. | |
int | t38_core_rx_ifp_packet (t38_core_state_t *s, int seq_no, const uint8_t *buf, int len) |
Process a received T.38 IFP packet. | |
void | t38_set_data_rate_management_method (t38_core_state_t *s, int method) |
void | t38_set_data_transport_protocol (t38_core_state_t *s, int data_transport_protocol) |
void | t38_set_fill_bit_removal (t38_core_state_t *s, int fill_bit_removal) |
void | t38_set_mmr_transcoding (t38_core_state_t *s, int mmr_transcoding) |
void | t38_set_jbig_transcoding (t38_core_state_t *s, int jbig_transcoding) |
void | t38_set_max_buffer_size (t38_core_state_t *s, int max_buffer_size) |
void | t38_set_max_datagram_size (t38_core_state_t *s, int max_datagram_size) |
int | t38_get_fastest_image_data_rate (t38_core_state_t *s) |
void | t38_set_t38_version (t38_core_state_t *s, int t38_version) |
void | t38_set_sequence_number_handling (t38_core_state_t *s, int check) |
t38_core_state_t * | t38_core_init (t38_core_state_t *s, t38_rx_indicator_handler_t *rx_indicator_handler, t38_rx_data_handler_t *rx_data_handler, t38_rx_missing_handler_t *rx_missing_handler, void *rx_user_data, t38_tx_packet_handler_t tx_packet_handler, void *tx_packet_user_data) |
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Process a received T.38 IFP packet.
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Send a data packet.
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Send a data packet.
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Send an indicator packet.
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Convert the code for a type of data to a short text name.
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Convert the code for a type of data field to a short text name.
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Convert the code for an indicator to a short text name.
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Set the method to be used for data rate management, as per the T.38 spec.
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Set the data transport protocol.
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Set the non-ECM fill bit removal mode.
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Set the JBIG transcoding mode.
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Set the MMR transcoding mode.
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Set the T.38 version to be emulated.
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