RD_TrimAudio 7 October 2015 Rivendell C Library Manual rd_trimaudio Rivendell Trim Audio C Library Function Todd Baker bakert@rfa.org Rivendell C Library Author #include <rivwebcapi/rd_trimaudio.h> int RD_TrimAudio struct rd_trimaudio * trimaudio[] const char hostname[] const char username[] const char passwd[] const char ticket[] const unsigned cartnumber const unsigned cutnumber const int trimlevel const char user_agent[] unsigned * numrecs Description RD_TrimAudio is the function to use to get the time pointer to the first and last instance of a particular level in a cut. This function lists the first and last instance of a db level in a cut. RD_TrimAudio function call fields FIELD NAME FIELD TYPE MEANING REMARKS *cuts Pointer to rd_trimaudio structure Memory location to store trimaudio information Mandatory hostname Character Array Name Of Rivendell DB Host Mandatory username Character Array Rivendell User Name Mandatory When NO Ticket Provided passwd Character Array Rivendell User Password Mandatory When NO Ticket Provided ticket Character Array Rivendell Authentification Ticket Mandatory When NO User/Password Pair Provided. cartnumber unsigned integer Cart Number Mandatory cutnumber unsigned integer Cut Number Mandatory trimlevel integer Trim Level in 1/100 dB Mandatory user_agent Character Array User Agent Value put into HTTP request Optional (default is Rivendell-C-API/x.x.x) *numrecs pointer to integer memory location for number of records returned Mandatory
When successful function will return the number of records sent (numrecs) and a rd_trimaudio structure which is stored in the provided memory locations. The rd_trimaudio structure has the following fields: struct rd_trimaudio { unsigned cart_number; unsigned cut_number; int trimlevel; int starttrimpoint; int endtrimpoint; };
RETURN VALUE On success, zero is returned. Using the provided parameters an rd_trimaudio structure is returned and the number of records is returned. If a server error occurs a -1 is returned. If a client error occurs a specific error number is returned. ERRORS 400 Missing Cart/Cut Number, Trim Level or Peak Data. 403 User Authentification Error. 404 Invalid Permissions or No Cart / Audio Exists. nnn Unknown Error Occurred.