Some ther SMPEG functions include:

SMPEG_getinfo(), SMPEG_status(), SMPEG_enableaudio(), SMPEG_enablevideo(), SMPEG_setvolume(), SMPEG_double(), SMPEG_move(),

SMPEG_loop(), SMPEG_pause(), SMPEG_stop(), SMPEG_rewind(), SMPEG_renderFrame(), SMPEG_renderFinal()

When you're all done, delete the MPEG with SMPEG_delete().