18b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* 28b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * QEMU Mixing engine header 38b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * 48b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * Copyright (c) 2004-2005 Vassili Karpov (malc) 58b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * 68b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * Permission is hereby granted, free of charge, to any person obtaining a copy 78b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * of this software and associated documentation files (the "Software"), to deal 88b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * in the Software without restriction, including without limitation the rights 98b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * copies of the Software, and to permit persons to whom the Software is 118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * furnished to do so, subject to the following conditions: 128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * 138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * The above copyright notice and this permission notice shall be included in 148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * all copies or substantial portions of the Software. 158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * 168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project * THE SOFTWARE. 238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project */ 248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#ifndef QEMU_MIXENG_H 258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define QEMU_MIXENG_H 268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#ifdef FLOAT_MIXENG 285d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnertypedef float mixeng_real; 295d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnerstruct mixeng_volume { int mute; mixeng_real r; mixeng_real l; }; 305d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnerstruct st_sample { mixeng_real l; mixeng_real r; }; 318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#else 325d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnerstruct mixeng_volume { int mute; int64_t r; int64_t l; }; 335d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnerstruct st_sample { int64_t l; int64_t r; }; 348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 365d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnertypedef void (t_sample) (struct st_sample *dst, const void *src, 375d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner int samples, struct mixeng_volume *vol); 385d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnertypedef void (f_sample) (void *dst, const struct st_sample *src, int samples); 398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectextern t_sample *mixeng_conv[2][2][2][3]; 418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectextern f_sample *mixeng_clip[2][2][2][3]; 428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid *st_rate_start (int inrate, int outrate); 445d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnervoid st_rate_flow (void *opaque, struct st_sample *ibuf, struct st_sample *obuf, 458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int *isamp, int *osamp); 465d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnervoid st_rate_flow_mix (void *opaque, struct st_sample *ibuf, struct st_sample *obuf, 478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int *isamp, int *osamp); 488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid st_rate_stop (void *opaque); 495d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnervoid mixeng_clear (struct st_sample *buf, int len); 508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif /* mixeng.h */ 52