A:

To play an XMIDI file using a DLS instrument set, follow these steps:

1) Open the DLS synth with AIL_DLS_open.

2) Load the instrument set from the disk with AIL_file_read.

3) Use AIL_extract_DLS to uncompress the instrument set, if necessary. You call tell if you need to uncompress the file by checking the type of the file with the AIL_file_type function.

4) Load the instrument set into the synthesizer with AIL_DLS_load_memory.

5) Now follow the steps in the "How do I play a MIDI file?" FAQ.