int sm_path_pitchshift(struct sm_path_pitchshift_parms *pitchshiftp)
typedef struct sm_path_pitchshift_parms {
tSMPathId path; /* in */
float shift; /* in */
} SM_PATH_PITCHSHIFT_PARMS;
Configures pitch shifting on a signal path.
Requires the module pitchshift.
-0.08333 configures a shift down one semitone),
values greater than zero cause an upward shift, and the value
zero disables pitch shifting.
0 if call completed successfully, otherwise a standard error such as:
This function is part of the Prosody signal path processing API.