#include <inttypes.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <time.h>
#include <string.h>
#include "floating_fudge.h"
#include <assert.h>
#include "spandsp/telephony.h"
#include "spandsp/logging.h"
#include "spandsp/queue.h"
#include "spandsp/dc_restore.h"
#include "spandsp/bit_operations.h"
#include "spandsp/async.h"
#include "spandsp/t38_non_ecm_buffer.h"
Functions | |
int | t38_non_ecm_buffer_get_bit (void *user_data) |
Get the next bit of data from a T.38 rate adapting non-ECM buffer context. | |
void | t38_non_ecm_buffer_push (t38_non_ecm_buffer_state_t *s) |
Inform a T.38 rate adapting non-ECM buffer context that the incoming data has finished, and the contents of the buffer should be played out as quickly as possible. | |
void | t38_non_ecm_buffer_inject (t38_non_ecm_buffer_state_t *s, const uint8_t *buf, int len) |
Inject data to T.38 rate adapting non-ECM buffer context. | |
void | t38_non_ecm_buffer_report_input_status (t38_non_ecm_buffer_state_t *s, logging_state_t *logging) |
Report the input status of a T.38 rate adapting non-ECM buffer context to the specified logging context. | |
void | t38_non_ecm_buffer_report_output_status (t38_non_ecm_buffer_state_t *s, logging_state_t *logging) |
Report the output status of a T.38 rate adapting non-ECM buffer context to the specified logging context. | |
void | t38_non_ecm_buffer_set_mode (t38_non_ecm_buffer_state_t *s, int mode, int min_row_bits) |
Set the mode of a T.38 rate adapting non-ECM buffer context. | |
t38_non_ecm_buffer_state_t * | t38_non_ecm_buffer_init (t38_non_ecm_buffer_state_t *s, int mode, int min_row_bits) |
Initialise a T.38 rate adapting non-ECM buffer context. |
int t38_non_ecm_buffer_get_bit | ( | void * | user_data | ) |
Get the next bit of data from a T.38 rate adapting non-ECM buffer context.
user_data | The buffer context, cast to a void pointer. |
References t38_non_ecm_buffer_state_t::bit_no, t38_non_ecm_buffer_state_t::data, t38_non_ecm_buffer_state_t::data_finished, t38_non_ecm_buffer_state_t::flow_control_fill_octet, t38_non_ecm_buffer_state_t::flow_control_fill_octets, t38_non_ecm_buffer_state_t::latest_eol_ptr, t38_non_ecm_buffer_state_t::octet, t38_non_ecm_buffer_state_t::out_octets, t38_non_ecm_buffer_state_t::out_ptr, SIG_STATUS_END_OF_DATA, and T38_NON_ECM_TX_BUF_LEN.
t38_non_ecm_buffer_state_t* t38_non_ecm_buffer_init | ( | t38_non_ecm_buffer_state_t * | s, | |
int | mode, | |||
int | min_row_bits | |||
) |
Initialise a T.38 rate adapting non-ECM buffer context.
s | The buffer context. | |
mode | TRUE for image data mode, or FALSE for TCF mode. | |
bits | The minimum number of bits per FAX image row. |
References t38_non_ecm_buffer_state_t::at_initial_all_ones, t38_non_ecm_buffer_state_t::bit_stream, t38_non_ecm_buffer_state_t::flow_control_fill_octet, t38_non_ecm_buffer_state_t::image_data_mode, t38_non_ecm_buffer_state_t::min_row_bits, and t38_non_ecm_buffer_state_t::octet.
Referenced by t38_gateway_init().
void t38_non_ecm_buffer_inject | ( | t38_non_ecm_buffer_state_t * | s, | |
const uint8_t * | buf, | |||
int | len | |||
) |
Inject data to T.38 rate adapting non-ECM buffer context.
s | The buffer context. | |
buf | The data buffer to be injected. | |
len | The length of the data to be injected. |
References t38_non_ecm_buffer_state_t::at_initial_all_ones, t38_non_ecm_buffer_state_t::bit_stream, t38_non_ecm_buffer_state_t::data, t38_non_ecm_buffer_state_t::flow_control_fill_octet, t38_non_ecm_buffer_state_t::image_data_mode, t38_non_ecm_buffer_state_t::in_octets, t38_non_ecm_buffer_state_t::in_ptr, t38_non_ecm_buffer_state_t::in_rows, t38_non_ecm_buffer_state_t::latest_eol_ptr, t38_non_ecm_buffer_state_t::min_row_bits, t38_non_ecm_buffer_state_t::min_row_bits_fill_octets, t38_non_ecm_buffer_state_t::row_bits, and T38_NON_ECM_TX_BUF_LEN.
void t38_non_ecm_buffer_push | ( | t38_non_ecm_buffer_state_t * | s | ) |
Inform a T.38 rate adapting non-ECM buffer context that the incoming data has finished, and the contents of the buffer should be played out as quickly as possible.
s | The buffer context. |
References t38_non_ecm_buffer_state_t::data_finished, t38_non_ecm_buffer_state_t::in_ptr, and t38_non_ecm_buffer_state_t::latest_eol_ptr.
void t38_non_ecm_buffer_report_input_status | ( | t38_non_ecm_buffer_state_t * | s, | |
logging_state_t * | logging | |||
) |
Report the input status of a T.38 rate adapting non-ECM buffer context to the specified logging context.
s | The buffer context. | |
logging | The logging context. |
References t38_non_ecm_buffer_state_t::in_octets, t38_non_ecm_buffer_state_t::in_rows, t38_non_ecm_buffer_state_t::min_row_bits_fill_octets, and span_log().
void t38_non_ecm_buffer_report_output_status | ( | t38_non_ecm_buffer_state_t * | s, | |
logging_state_t * | logging | |||
) |
Report the output status of a T.38 rate adapting non-ECM buffer context to the specified logging context.
s | The buffer context. | |
logging | The logging context. |
References t38_non_ecm_buffer_state_t::flow_control_fill_octets, t38_non_ecm_buffer_state_t::out_octets, t38_non_ecm_buffer_state_t::out_rows, and span_log().
void t38_non_ecm_buffer_set_mode | ( | t38_non_ecm_buffer_state_t * | s, | |
int | mode, | |||
int | min_row_bits | |||
) |
Set the mode of a T.38 rate adapting non-ECM buffer context.
s | The buffer context. | |
mode | TRUE for image data mode, or FALSE for TCF mode. | |
bits | The minimum number of bits per FAX image row. |
References t38_non_ecm_buffer_state_t::image_data_mode, and t38_non_ecm_buffer_state_t::min_row_bits.