note description: "chocolate doom i_sound.h" license: "[ Copyright (C) 1993-1996 by id Software, Inc. Copyright (C) 2005-2014 Simon Howard Copyright (C) 2021 Ilgiz Mustafin This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. ]" deferred class SOUND_MODULE_T feature sound_devices: ARRAY [INTEGER_32] -- List of sound devices that this sound module is used for. deferred end init (use_sfx_prefix: BOOLEAN): BOOLEAN -- Initialise sound module -- Returns True if successfully initialised deferred end shutdown -- Shutdown sound module deferred end get_sfx_lump_num (sfxinfo: SFXINFO_T): INTEGER_32 -- Returns the lump index of the given sound. deferred end update -- Called periodically to update the subsystem. deferred end update_sound_params (channel, vol, sep: INTEGER_32) -- Update the sound settings on the given channel. deferred end start_sound (sfxinfo: SFXINFO_T; channel, vol, sep, pitch: INTEGER_32): INTEGER_32 -- Start a sound on a given channel. Returns the channel id -- or -1 on failure. deferred end stop_sound (channel: INTEGER_32) -- Stop the sound playing on the given channel deferred end cache_sounds (sounds: ARRAY [SFXINFO_T]) -- Called on startup to precache sound effects (if necessary) deferred end sound_is_playing (channel: INTEGER_32): BOOLEAN -- Query if a sound is playing on the given channel deferred end end -- class SOUND_MODULE_T
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