GstDiskSrc Synchronous read from a file (disksrc) Synchonously read buffers from a file. If you need asynchronous reading with seeking capabilities use a GstAsynDiskSrc instead. GST_DISKSRC_OPEN the disksrc is open for reading Specify the location of the file to read. Specify how many bytes to read at a time. Get the current offset in the file.