sc68fordevelopers: /home/mandrake/rpm/BUILD/sc68-2.2.1/api68/mixer68.h File Reference

audio mixer More...

#include "emu68/type68.h"

Defines
Constants for PCM sign transformation.
#define	MIXER68_SAME_SIGN 0x00000000
	No channel.
#define	MIXER68_CHANGE_LEFT_CHANNEL_SIGN 0x00008000
	Left channel.
#define	MIXER68_CHANGE_RIGHT_CHANNEL_SIGN 0x80000000
	Right channel.
#define	MIXER68_CHANGE_SIGN 0x80008000
	Both channels.
Functions
void	SC68mixer_stereo_16_LR (u32 dest, u32 src, int nb, const u32 sign)
	Copy 16-bit-stereo PCM with optionnal sign change.
void	SC68mixer_stereo_16_RL (u32 dest, u32 src, int nb, const u32 sign)
	Copy 16-bit-stereo PCM with channel swapping and optionnal sign change.
void	SC68mixer_stereo_FL_LR (float dest, u32 src, int nb, const u32 sign, const float norm)
	Copy 16-bit-stereo PCM into normalized float-stereo (-norm..+norm).
void	SC68mixer_dup_L_to_R (u32 dest, u32 src, int nb, const u32 sign)
	Copy left channel of 16-bit stereo PCM into L/R channels with optionnal sign change.
void	SC68mixer_dup_R_to_L (u32 dest, u32 src, int nb, const u32 sign)
	Copy right channel of 16-bit stereo PCM into L/R channels with optionnal sign change.
void	SC68mixer_blend_LR (u32 dest, u32 src, int nb, int factor, const u32 sign_r, const u32 sign_w)
	Copy 16-bit-stereo PCM with L/R blending and optionnal sign change.
void	SC68mixer_mult_LR (u32 dest, u32 src, int nb, const int ml, const int mr, const u32 sign_r, const u32 sign_w)
	Copy 16-bit-stereo PCM with L/R amplitude factor and optionnal sign change.
void	SC68mixer_fill (u32 *dest, int nb, const u32 sign)
	Fill 16-bit-stereo buffer with sign value (RRRRLLLL).

Detailed Description

audio mixer