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spandsp 0.0.6
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#include <sig_tone.h>
Public Attributes | |
| tone_report_func_t | sig_update |
| The callback function used to handle signalling changes. | |
| void * | user_data |
| A user specified opaque pointer passed to the callback function. | |
| const sig_tone_descriptor_t * | desc |
| Tone descriptor. | |
| int | current_rx_tone |
| The current receive tone. | |
| int | high_low_timer |
| The timeout for switching from the high level to low level tone detector. | |
| int | current_notch_filter |
| ??? | |
| struct { | |
| float notch_z1 [2] | |
| The z's for the notch filter. | |
| float notch_z2 [2] | |
| The z's for the notch filter. | |
| power_meter_t power | |
| The power output of the notch. | |
| } | tone [3] |
| float | flat_z [2] |
| The z's for the weighting/bandpass filter. | |
| power_meter_t | flat_power |
| The output power of the flat (unfiltered or flat filtered) path. | |
| int | tone_persistence_timeout |
| Persistence check for tone present. | |
| int | last_sample_tone_present |
| The tone pattern on the last audio sample. | |
| int32_t | flat_detection_threshold |
| The minimum reading from the power meter for detection in flat mode. | |
| int32_t | sharp_detection_threshold |
| The minimum reading from the power meter for detection in sharp mode. | |
| int32_t | detection_ratio |
| The minimum ratio between notched power and total power for detection. | |
| int | flat_mode |
| TRUE if in flat mode. FALSE if in sharp mode. | |
| int | notch_enabled |
| TRUE if the notch filter is enabled in the media path. | |
| int | flat_mode_timeout |
| ??? | |
| int | notch_insertion_timeout |
| ??? | |
| int | signalling_state |
| ??? | |
| int | signalling_state_duration |
| ??? | |
Signalling tone receive state