1 /*
2 * Copyright (C) 2004-2010 NXP Software
3 * Copyright (C) 2010 The Android Open Source Project
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 /**********************************************************************************
19 INCLUDE FILES
20 ***********************************************************************************/
21
22 #include "LVC_Mixer_Private.h"
23 #include "VectorArithmetic.h"
24
25 /**********************************************************************************
26 FUNCTION LVC_MixSoft_2St_D16C31_SAT.c
27 ***********************************************************************************/
LVC_MixSoft_2St_D16C31_SAT(LVMixer3_2St_FLOAT_st * ptrInstance,const LVM_FLOAT * src1,const LVM_FLOAT * src2,LVM_FLOAT * dst,LVM_INT16 n)28 void LVC_MixSoft_2St_D16C31_SAT(LVMixer3_2St_FLOAT_st *ptrInstance,
29 const LVM_FLOAT *src1,
30 const LVM_FLOAT *src2,
31 LVM_FLOAT *dst,
32 LVM_INT16 n)
33 {
34 Mix_Private_FLOAT_st *pInstance1 = \
35 (Mix_Private_FLOAT_st *)(ptrInstance->MixerStream[0].PrivateParams);
36 Mix_Private_FLOAT_st *pInstance2 = \
37 (Mix_Private_FLOAT_st *)(ptrInstance->MixerStream[1].PrivateParams);
38
39 if(n <= 0) return;
40
41 /******************************************************************************
42 SOFT MIXING
43 *******************************************************************************/
44 if ((pInstance1->Current == pInstance1->Target) && (pInstance1->Current == 0)){
45 LVC_MixSoft_1St_D16C31_SAT((LVMixer3_1St_FLOAT_st *)(&ptrInstance->MixerStream[1]),
46 src2, dst, n);
47 }
48 else if ((pInstance2->Current == pInstance2->Target) && (pInstance2->Current == 0)){
49 LVC_MixSoft_1St_D16C31_SAT((LVMixer3_1St_FLOAT_st *)(&ptrInstance->MixerStream[0]),
50 src1, dst, n);
51 }
52 else if ((pInstance1->Current != pInstance1->Target) || \
53 (pInstance2->Current != pInstance2->Target))
54 {
55 LVC_MixSoft_1St_D16C31_SAT((LVMixer3_1St_FLOAT_st *)(&ptrInstance->MixerStream[0]),
56 src1, dst, n);
57 LVC_MixInSoft_D16C31_SAT((LVMixer3_1St_FLOAT_st *)(&ptrInstance->MixerStream[1]),
58 src2, dst, n);
59 }
60 else{
61 /******************************************************************************
62 HARD MIXING
63 *******************************************************************************/
64 LVC_Core_MixHard_2St_D16C31_SAT( &ptrInstance->MixerStream[0],
65 &ptrInstance->MixerStream[1],
66 src1, src2, dst, n);
67 }
68 }
69
70 #ifdef SUPPORT_MC
71 /*
72 * FUNCTION: LVC_MixSoft_2Mc_D16C31_SAT
73 *
74 * DESCRIPTION:
75 * 2 stream Mixer function with support for processing multichannel input
76 *
77 * PARAMETERS:
78 * ptrInstance Instance pointer
79 * src1 First multichannel source
80 * src2 Second multichannel source
81 * dst Destination
82 * NrFrames Number of frames
83 * NrChannels Number of channels
84 *
85 * RETURNS:
86 * void
87 *
88 */
LVC_MixSoft_2Mc_D16C31_SAT(LVMixer3_2St_FLOAT_st * ptrInstance,const LVM_FLOAT * src1,const LVM_FLOAT * src2,LVM_FLOAT * dst,LVM_INT16 NrFrames,LVM_INT16 NrChannels)89 void LVC_MixSoft_2Mc_D16C31_SAT(LVMixer3_2St_FLOAT_st *ptrInstance,
90 const LVM_FLOAT *src1,
91 const LVM_FLOAT *src2,
92 LVM_FLOAT *dst,
93 LVM_INT16 NrFrames,
94 LVM_INT16 NrChannels)
95 {
96 Mix_Private_FLOAT_st *pInstance1 = \
97 (Mix_Private_FLOAT_st *)(ptrInstance->MixerStream[0].PrivateParams);
98 Mix_Private_FLOAT_st *pInstance2 = \
99 (Mix_Private_FLOAT_st *)(ptrInstance->MixerStream[1].PrivateParams);
100
101 if (NrFrames <= 0) return;
102
103 /******************************************************************************
104 SOFT MIXING
105 *******************************************************************************/
106 if ((pInstance1->Current == pInstance1->Target) && (pInstance1->Current == 0)) {
107 LVC_MixSoft_Mc_D16C31_SAT((LVMixer3_1St_FLOAT_st *)(&ptrInstance->MixerStream[1]),
108 src2, dst, NrFrames, NrChannels);
109 }
110 else if ((pInstance2->Current == pInstance2->Target) && (pInstance2->Current == 0)) {
111 LVC_MixSoft_Mc_D16C31_SAT((LVMixer3_1St_FLOAT_st *)(&ptrInstance->MixerStream[0]),
112 src1, dst, NrFrames, NrChannels);
113 }
114 else if ((pInstance1->Current != pInstance1->Target) || \
115 (pInstance2->Current != pInstance2->Target))
116 {
117 LVC_MixSoft_Mc_D16C31_SAT((LVMixer3_1St_FLOAT_st *)(&ptrInstance->MixerStream[0]),
118 src1, dst, NrFrames, NrChannels);
119 LVC_MixInSoft_Mc_D16C31_SAT((LVMixer3_1St_FLOAT_st *)(&ptrInstance->MixerStream[1]),
120 src2, dst, NrFrames, NrChannels);
121 }
122 else{
123 /******************************************************************************
124 HARD MIXING
125 *******************************************************************************/
126 LVC_Core_MixHard_2St_D16C31_SAT(&ptrInstance->MixerStream[0],
127 &ptrInstance->MixerStream[1],
128 src1, src2, dst, NrFrames * NrChannels);
129 }
130 }
131 #endif
132
133 /**********************************************************************************/
134