projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 85571bc7 FB |
1 | /* |
| 2 | * QEMU Mixing engine header | |
| 1d14ffa9 FB |
3 | * |
| 4 | * Copyright (c) 2004-2005 Vassili Karpov (malc) | |
| 5 | * | |
| 85571bc7 FB |
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 | */ | |
| 175de524 | 24 | |
| 85571bc7 FB |
25 | #ifndef QEMU_MIXENG_H |
| 26 | #define QEMU_MIXENG_H | |
| 27 | ||
| 1d14ffa9 | 28 | #ifdef FLOAT_MIXENG |
| 1ea879e5 | 29 | typedef float mixeng_real; |
| 30 | struct mixeng_volume { int mute; mixeng_real r; mixeng_real l; }; | |
| 68f6dc7e | 31 | struct st_sample { mixeng_real l; mixeng_real r; }; |
| 1d14ffa9 | 32 | #else |
| 1ea879e5 | 33 | struct mixeng_volume { int mute; int64_t r; int64_t l; }; |
| 34 | struct st_sample { int64_t l; int64_t r; }; | |
| 1d14ffa9 | 35 | #endif |
| 7520462b | 36 | typedef struct st_sample st_sample; |
| 1d14ffa9 | 37 | |
| 00e07679 | 38 | typedef void (t_sample) (struct st_sample *dst, const void *src, int samples); |
| 1ea879e5 | 39 | typedef void (f_sample) (void *dst, const struct st_sample *src, int samples); |
| 85571bc7 | 40 | |
| ed2a4a79 | 41 | /* indices: [stereo][signed][swap endiannes][8, 16 or 32-bits] */ |
| f941aa25 TS |
42 | extern t_sample *mixeng_conv[2][2][2][3]; |
| 43 | extern f_sample *mixeng_clip[2][2][2][3]; | |
| 85571bc7 | 44 | |
| ed2a4a79 KZ |
45 | /* indices: [stereo] */ |
| 46 | extern t_sample *mixeng_conv_float[2]; | |
| 47 | extern f_sample *mixeng_clip_float[2]; | |
| 180b044f | 48 | |
| 85571bc7 | 49 | void *st_rate_start (int inrate, int outrate); |
| 7520462b KZ |
50 | void st_rate_flow(void *opaque, st_sample *ibuf, st_sample *obuf, |
| 51 | size_t *isamp, size_t *osamp); | |
| 52 | void st_rate_flow_mix(void *opaque, st_sample *ibuf, st_sample *obuf, | |
| 53 | size_t *isamp, size_t *osamp); | |
| 85571bc7 | 54 | void st_rate_stop (void *opaque); |
| 1ea879e5 | 55 | void mixeng_clear (struct st_sample *buf, int len); |
| 00e07679 | 56 | void mixeng_volume (struct st_sample *buf, int len, struct mixeng_volume *vol); |
| 85571bc7 | 57 | |
| 175de524 | 58 | #endif /* QEMU_MIXENG_H */ |