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Annotation of qemu/audio/mixeng.h, revision 1.1.1.5

1.1       root        1: /*
                      2:  * QEMU Mixing engine header
1.1.1.2   root        3:  *
                      4:  * Copyright (c) 2004-2005 Vassili Karpov (malc)
                      5:  *
1.1       root        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: 
1.1.1.2   root       27: #ifdef FLOAT_MIXENG
1.1.1.4   root       28: typedef float mixeng_real;
                     29: struct mixeng_volume { int mute; mixeng_real r; mixeng_real l; };
1.1.1.5 ! root       30: struct st_sample { mixeng_real l; mixeng_real r; };
1.1.1.2   root       31: #else
1.1.1.4   root       32: struct mixeng_volume { int mute; int64_t r; int64_t l; };
                     33: struct st_sample { int64_t l; int64_t r; };
1.1.1.2   root       34: #endif
                     35: 
1.1.1.4   root       36: typedef void (t_sample) (struct st_sample *dst, const void *src,
                     37:                          int samples, struct mixeng_volume *vol);
                     38: typedef void (f_sample) (void *dst, const struct st_sample *src, int samples);
1.1       root       39: 
1.1.1.3   root       40: extern t_sample *mixeng_conv[2][2][2][3];
                     41: extern f_sample *mixeng_clip[2][2][2][3];
1.1       root       42: 
                     43: void *st_rate_start (int inrate, int outrate);
1.1.1.4   root       44: void st_rate_flow (void *opaque, struct st_sample *ibuf, struct st_sample *obuf,
1.1       root       45:                    int *isamp, int *osamp);
1.1.1.4   root       46: void st_rate_flow_mix (void *opaque, struct st_sample *ibuf, struct st_sample *obuf,
1.1.1.2   root       47:                        int *isamp, int *osamp);
1.1       root       48: void st_rate_stop (void *opaque);
1.1.1.4   root       49: void mixeng_clear (struct st_sample *buf, int len);
1.1       root       50: 
                     51: #endif  /* mixeng.h */

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