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author | 2015-08-28 09:58:54 +0800 | |
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committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/audio/mixeng.h | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/audio/mixeng.h')
-rw-r--r-- | qemu/audio/mixeng.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/qemu/audio/mixeng.h b/qemu/audio/mixeng.h new file mode 100644 index 000000000..9de443b01 --- /dev/null +++ b/qemu/audio/mixeng.h @@ -0,0 +1,51 @@ +/* + * 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 mixeng_real; +struct mixeng_volume { int mute; mixeng_real r; mixeng_real l; }; +struct st_sample { mixeng_real l; mixeng_real r; }; +#else +struct mixeng_volume { int mute; int64_t r; int64_t l; }; +struct st_sample { int64_t l; int64_t r; }; +#endif + +typedef void (t_sample) (struct st_sample *dst, const void *src, int samples); +typedef void (f_sample) (void *dst, const struct st_sample *src, int samples); + +extern t_sample *mixeng_conv[2][2][2][3]; +extern f_sample *mixeng_clip[2][2][2][3]; + +void *st_rate_start (int inrate, int outrate); +void st_rate_flow (void *opaque, struct st_sample *ibuf, struct st_sample *obuf, + int *isamp, int *osamp); +void st_rate_flow_mix (void *opaque, struct st_sample *ibuf, struct st_sample *obuf, + int *isamp, int *osamp); +void st_rate_stop (void *opaque); +void mixeng_clear (struct st_sample *buf, int len); +void mixeng_volume (struct st_sample *buf, int len, struct mixeng_volume *vol); + +#endif /* mixeng.h */ |