bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 1 | /* |
| 2 | * QEMU Mixing engine header |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 3 | * |
| 4 | * Copyright (c) 2004-2005 Vassili Karpov (malc) |
| 5 | * |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 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 | */ |
Markus Armbruster | 175de52 | 2016-06-29 15:29:06 +0200 | [diff] [blame] | 24 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 25 | #ifndef QEMU_MIXENG_H |
| 26 | #define QEMU_MIXENG_H |
| 27 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 28 | #ifdef FLOAT_MIXENG |
malc | 1ea879e | 2008-12-03 22:48:44 +0000 | [diff] [blame] | 29 | typedef float mixeng_real; |
| 30 | struct mixeng_volume { int mute; mixeng_real r; mixeng_real l; }; |
malc | 68f6dc7 | 2009-09-18 08:06:01 +0400 | [diff] [blame] | 31 | struct st_sample { mixeng_real l; mixeng_real r; }; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 32 | #else |
malc | 1ea879e | 2008-12-03 22:48:44 +0000 | [diff] [blame] | 33 | struct mixeng_volume { int mute; int64_t r; int64_t l; }; |
| 34 | struct st_sample { int64_t l; int64_t r; }; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 35 | #endif |
Kővágó, Zoltán | 7520462 | 2019-08-19 01:06:58 +0200 | [diff] [blame] | 36 | typedef struct st_sample st_sample; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 37 | |
Michael Walle | 00e0767 | 2011-01-05 01:05:47 +0100 | [diff] [blame] | 38 | typedef void (t_sample) (struct st_sample *dst, const void *src, int samples); |
malc | 1ea879e | 2008-12-03 22:48:44 +0000 | [diff] [blame] | 39 | typedef void (f_sample) (void *dst, const struct st_sample *src, int samples); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 40 | |
ths | f941aa2 | 2007-02-17 22:19:29 +0000 | [diff] [blame] | 41 | extern t_sample *mixeng_conv[2][2][2][3]; |
| 42 | extern f_sample *mixeng_clip[2][2][2][3]; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 43 | |
| 44 | void *st_rate_start (int inrate, int outrate); |
Kővágó, Zoltán | 7520462 | 2019-08-19 01:06:58 +0200 | [diff] [blame] | 45 | void st_rate_flow(void *opaque, st_sample *ibuf, st_sample *obuf, |
| 46 | size_t *isamp, size_t *osamp); |
| 47 | void st_rate_flow_mix(void *opaque, st_sample *ibuf, st_sample *obuf, |
| 48 | size_t *isamp, size_t *osamp); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 49 | void st_rate_stop (void *opaque); |
malc | 1ea879e | 2008-12-03 22:48:44 +0000 | [diff] [blame] | 50 | void mixeng_clear (struct st_sample *buf, int len); |
Michael Walle | 00e0767 | 2011-01-05 01:05:47 +0100 | [diff] [blame] | 51 | void mixeng_volume (struct st_sample *buf, int len, struct mixeng_volume *vol); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 52 | |
Markus Armbruster | 175de52 | 2016-06-29 15:29:06 +0200 | [diff] [blame] | 53 | #endif /* QEMU_MIXENG_H */ |