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view mixer.h @ 2444:c1145552a533 draft

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(svn r2970) - Newgrf: Allocate spritegroups dynamically; this allows a cargo ID to reference the previous definition of the same cargo ID, instead of causing loops.
author peter1138 <peter1138@openttd.org>
date Thu, 22 Sep 2005 20:35:20 +0000
parents 027bdc04f0ed
children cd0eb73f2d32
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/* $Id$ */

#ifndef MIXER_H
#define MIXER_H

typedef struct Mixer Mixer;
typedef struct MixerChannel MixerChannel;

enum {
	MX_AUTOFREE = 1,
//	MX_8BIT = 2,
//	MX_STEREO = 4,
//	MX_UNSIGNED = 8,
};

VARDEF Mixer *_mixer;

bool MxInitialize(uint rate);
void MxMixSamples(Mixer *mx, void *buffer, uint samples);

MixerChannel *MxAllocateChannel(Mixer *mx);
void MxSetChannelRawSrc(MixerChannel *mc, int8 *mem, uint size, uint rate, uint flags);
void MxSetChannelVolume(MixerChannel *mc, uint left, uint right);
void MxActivateChannel(MixerChannel*);

#endif /* MIXER_H */