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1 | /* |
2 | * QEMU Mixing engine header | |
3 | * | |
4 | * Copyright (c) 2004 Vassili Karpov (malc) | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | #ifndef QEMU_MIXENG_H | |
25 | #define QEMU_MIXENG_H | |
26 | ||
27 | typedef void (t_sample) (void *dst, const void *src, int samples); | |
28 | typedef void (f_sample) (void *dst, const void *src, int samples); | |
29 | typedef struct { int64_t l; int64_t r; } st_sample_t; | |
30 | ||
31 | extern t_sample *mixeng_conv[2][2][2]; | |
32 | extern f_sample *mixeng_clip[2][2][2]; | |
33 | ||
34 | void *st_rate_start (int inrate, int outrate); | |
35 | void st_rate_flow (void *opaque, st_sample_t *ibuf, st_sample_t *obuf, | |
36 | int *isamp, int *osamp); | |
37 | void st_rate_stop (void *opaque); | |
38 | ||
39 | #endif /* mixeng.h */ |