pvinput

Open the specified PVOC file and make it the current data file

Synopsis

frame_count = pvinput(“path_to_data_file”)

Description

pvinput opens and verifies the PVOC data file path_to_data_file. path_to_data_file may be an absolute or relative pathname to the file. pvinput returns the frame count on success, else -1.

Arguments

• path_to_data_file
  A string representing the name of the PVOC data file to be opened. It may be an absolute or relative pathname to the file. If it is relative, then it will be relative to the directory where the CMIX command was invoked.

Examples

frame_count = pvinput("/path/to/datafile")
// check for error
if (frame_count < 0) {
	error("failed to open %s\n", "/path/to/datafile");
}

See Also

pvgetbin, pvgetbincount, pvgetframe, pvgetframefreqs, pvgetframerate, PVOC