(svn r8063) -Codechange: When evaluating newgrf varaction2s the 'last value' should start off at 0, and the result of the operation is remembered.
/* $Id$ */
#ifndef MIXER_H
#define MIXER_H
typedef struct MixerChannel MixerChannel;
enum {
MX_AUTOFREE = 1,
// MX_8BIT = 2,
// MX_STEREO = 4,
// MX_UNSIGNED = 8,
};
bool MxInitialize(uint rate);
void MxMixSamples(void* buffer, uint samples);
MixerChannel* MxAllocateChannel(void);
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 */