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bellard85571bc2004-11-07 18:04:02 +00001/*
2 * QEMU Mixing engine header
bellard1d14ffa2005-10-30 18:58:22 +00003 *
4 * Copyright (c) 2004-2005 Vassili Karpov (malc)
5 *
bellard85571bc2004-11-07 18:04:02 +00006 * 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 Armbruster175de522016-06-29 15:29:06 +020024
bellard85571bc2004-11-07 18:04:02 +000025#ifndef QEMU_MIXENG_H
26#define QEMU_MIXENG_H
27
bellard1d14ffa2005-10-30 18:58:22 +000028#ifdef FLOAT_MIXENG
malc1ea879e2008-12-03 22:48:44 +000029typedef float mixeng_real;
30struct mixeng_volume { int mute; mixeng_real r; mixeng_real l; };
malc68f6dc72009-09-18 08:06:01 +040031struct st_sample { mixeng_real l; mixeng_real r; };
bellard1d14ffa2005-10-30 18:58:22 +000032#else
malc1ea879e2008-12-03 22:48:44 +000033struct mixeng_volume { int mute; int64_t r; int64_t l; };
34struct st_sample { int64_t l; int64_t r; };
bellard1d14ffa2005-10-30 18:58:22 +000035#endif
Kővágó, Zoltán75204622019-08-19 01:06:58 +020036typedef struct st_sample st_sample;
bellard85571bc2004-11-07 18:04:02 +000037
Michael Walle00e07672011-01-05 01:05:47 +010038typedef void (t_sample) (struct st_sample *dst, const void *src, int samples);
malc1ea879e2008-12-03 22:48:44 +000039typedef void (f_sample) (void *dst, const struct st_sample *src, int samples);
bellard1d14ffa2005-10-30 18:58:22 +000040
thsf941aa22007-02-17 22:19:29 +000041extern t_sample *mixeng_conv[2][2][2][3];
42extern f_sample *mixeng_clip[2][2][2][3];
bellard85571bc2004-11-07 18:04:02 +000043
44void *st_rate_start (int inrate, int outrate);
Kővágó, Zoltán75204622019-08-19 01:06:58 +020045void st_rate_flow(void *opaque, st_sample *ibuf, st_sample *obuf,
46 size_t *isamp, size_t *osamp);
47void st_rate_flow_mix(void *opaque, st_sample *ibuf, st_sample *obuf,
48 size_t *isamp, size_t *osamp);
bellard85571bc2004-11-07 18:04:02 +000049void st_rate_stop (void *opaque);
malc1ea879e2008-12-03 22:48:44 +000050void mixeng_clear (struct st_sample *buf, int len);
Michael Walle00e07672011-01-05 01:05:47 +010051void mixeng_volume (struct st_sample *buf, int len, struct mixeng_volume *vol);
bellard85571bc2004-11-07 18:04:02 +000052
Markus Armbruster175de522016-06-29 15:29:06 +020053#endif /* QEMU_MIXENG_H */