Archipelago » qemu

/*

 * QEMU Mixing engine header

 *

 * Copyright (c) 2004-2005 Vassili Karpov (malc)

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * in the Software without restriction, including without limitation the rights

 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

 * copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

 * THE SOFTWARE.

 */

#ifndef QEMU_MIXENG_H

#define QEMU_MIXENG_H

#ifdef FLOAT_MIXENG

typedef float real_t;

typedef struct { int mute; real_t r; real_t l; } volume_t;

typedef struct { real_t l; real_t r; } st_sample_t;

#else

typedef struct { int mute; int64_t r; int64_t l; } volume_t;

typedef struct { int64_t l; int64_t r; } st_sample_t;

#endif

typedef void (t_sample) (st_sample_t *dst, const void *src,

                         int samples, volume_t *vol);

typedef void (f_sample) (void *dst, const st_sample_t *src, int samples);

extern t_sample *mixeng_conv[2][2][2][2];

extern f_sample *mixeng_clip[2][2][2][2];

void *st_rate_start (int inrate, int outrate);

void st_rate_flow (void *opaque, st_sample_t *ibuf, st_sample_t *obuf,

                   int *isamp, int *osamp);

void st_rate_flow_mix (void *opaque, st_sample_t *ibuf, st_sample_t *obuf,

                       int *isamp, int *osamp);

void st_rate_stop (void *opaque);

void mixeng_clear (st_sample_t *buf, int len);

#endif  /* mixeng.h */