OpenTTD
mixer.h
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1 /* $Id$ */
2 
3 /*
4  * This file is part of OpenTTD.
5  * OpenTTD 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, version 2.
6  * OpenTTD 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.
7  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
8  */
9 
12 #ifndef MIXER_H
13 #define MIXER_H
14 
15 struct MixerChannel;
16 
23 typedef void(*MxStreamCallback)(int16 *buffer, size_t samples);
24 
25 bool MxInitialize(uint rate);
26 void MxMixSamples(void *buffer, uint samples);
27 
28 MixerChannel *MxAllocateChannel();
29 void MxSetChannelRawSrc(MixerChannel *mc, int8 *mem, size_t size, uint rate, bool is16bit);
30 void MxSetChannelVolume(MixerChannel *mc, uint volume, float pan);
31 void MxActivateChannel(MixerChannel*);
32 
33 uint32 MxSetMusicSource(MxStreamCallback music_callback);
34 
35 #endif /* MIXER_H */
void MxSetChannelVolume(MixerChannel *mc, uint volume, float pan)
Set volume and pan parameters for a sound.
Definition: mixer.cpp:211
uint32 MxSetMusicSource(MxStreamCallback music_callback)
Set source of PCM music.
Definition: mixer.cpp:230
void(* MxStreamCallback)(int16 *buffer, size_t samples)
Type of callback functions for supplying PCM music.
Definition: mixer.h:23