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/* |
/* |
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* QEMU Mixing engine header |
* QEMU Mixing engine header |
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* |
* |
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* Copyright (c) 2004 Vassili Karpov (malc) |
* Copyright (c) 2004-2005 Vassili Karpov (malc) |
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* |
* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
* in the Software without restriction, including without limitation the rights |
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#ifndef QEMU_MIXENG_H |
#ifndef QEMU_MIXENG_H |
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#define QEMU_MIXENG_H |
#define QEMU_MIXENG_H |
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typedef void (t_sample) (void *dst, const void *src, int samples); |
#ifdef FLOAT_MIXENG |
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typedef void (f_sample) (void *dst, const void *src, int samples); |
typedef float real_t; |
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typedef struct { int mute; real_t r; real_t l; } volume_t; |
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typedef struct { real_t l; real_t r; } st_sample_t; |
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#else |
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typedef struct { int mute; int64_t r; int64_t l; } volume_t; |
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typedef struct { int64_t l; int64_t r; } st_sample_t; |
typedef struct { int64_t l; int64_t r; } st_sample_t; |
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#endif |
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typedef void (t_sample) (st_sample_t *dst, const void *src, |
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int samples, volume_t *vol); |
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typedef void (f_sample) (void *dst, const st_sample_t *src, int samples); |
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extern t_sample *mixeng_conv[2][2][2]; |
extern t_sample *mixeng_conv[2][2][2][2]; |
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extern f_sample *mixeng_clip[2][2][2]; |
extern f_sample *mixeng_clip[2][2][2][2]; |
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void *st_rate_start (int inrate, int outrate); |
void *st_rate_start (int inrate, int outrate); |
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void st_rate_flow (void *opaque, st_sample_t *ibuf, st_sample_t *obuf, |
void st_rate_flow (void *opaque, st_sample_t *ibuf, st_sample_t *obuf, |
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int *isamp, int *osamp); |
int *isamp, int *osamp); |
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void st_rate_flow_mix (void *opaque, st_sample_t *ibuf, st_sample_t *obuf, |
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int *isamp, int *osamp); |
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void st_rate_stop (void *opaque); |
void st_rate_stop (void *opaque); |
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void mixeng_clear (st_sample_t *buf, int len); |
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#endif /* mixeng.h */ |
#endif /* mixeng.h */ |