summaryrefslogtreecommitdiffstats
path: root/media/libeffects/lvm/lib/Bundle/src/LVM_Process.c
blob: bad94504fca9c47a1686c8c73dc6e4032e1debcc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
/*
 * Copyright (C) 2004-2010 NXP Software
 * Copyright (C) 2010 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/****************************************************************************************

     $Author: beq07716 $
     $Revision: 1002 $
     $Date: 2010-06-28 13:40:09 +0200 (Mon, 28 Jun 2010) $

*****************************************************************************************/


/****************************************************************************************/
/*                                                                                      */
/*  Includes                                                                            */
/*                                                                                      */
/****************************************************************************************/

#include "LVM_Private.h"
#include "VectorArithmetic.h"
#include "LVM_Coeffs.h"

/****************************************************************************************/
/*                                                                                      */
/* FUNCTION:                LVM_Process                                                 */
/*                                                                                      */
/* DESCRIPTION:                                                                         */
/*  Process function for the LifeVibes module.                                          */
/*                                                                                      */
/* PARAMETERS:                                                                          */
/*  hInstance               Instance handle                                             */
/*  pInData                 Pointer to the input data                                   */
/*  pOutData                Pointer to the output data                                  */
/*  NumSamples              Number of samples in the input buffer                       */
/*  AudioTime               Audio Time of the current input buffer in ms                */
/*                                                                                      */
/* RETURNS:                                                                             */
/*  LVM_SUCCESS            Succeeded                                                    */
/*  LVM_INVALIDNUMSAMPLES  When the NumSamples is not a valied multiple in unmanaged    */
/*                         buffer mode                                                  */
/*  LVM_ALIGNMENTERROR     When either the input our output buffers are not 32-bit      */
/*                         aligned in unmanaged mode                                    */
/*  LVM_NULLADDRESS        When one of hInstance, pInData or pOutData is NULL           */
/*                                                                                      */
/* NOTES:                                                                               */
/*                                                                                      */
/****************************************************************************************/

LVM_ReturnStatus_en LVM_Process(LVM_Handle_t                hInstance,
                                const LVM_INT16             *pInData,
                                LVM_INT16                   *pOutData,
                                LVM_UINT16                  NumSamples,
                                LVM_UINT32                  AudioTime)
{

    LVM_Instance_t      *pInstance  = (LVM_Instance_t  *)hInstance;
    LVM_UINT16          SampleCount = NumSamples;
    LVM_INT16           *pInput     = (LVM_INT16 *)pInData;
    LVM_INT16           *pToProcess = (LVM_INT16 *)pInData;
    LVM_INT16           *pProcessed = pOutData;
    LVM_ReturnStatus_en  Status;

    /*
     * Check if the number of samples is zero
     */
    if (NumSamples == 0)
    {
        return(LVM_SUCCESS);
    }


    /*
     * Check valid points have been given
     */
    if ((hInstance == LVM_NULL) || (pInData == LVM_NULL) || (pOutData == LVM_NULL))
    {
        return (LVM_NULLADDRESS);
    }

    /*
     * For unmanaged mode only
     */
    if(pInstance->InstParams.BufferMode == LVM_UNMANAGED_BUFFERS)
    {
         /*
         * Check if the number of samples is a good multiple (unmanaged mode only)
         */
        if((NumSamples % pInstance->BlickSizeMultiple) != 0)
        {
            return(LVM_INVALIDNUMSAMPLES);
        }

        /*
         * Check the buffer alignment
         */
        if((((LVM_UINT32)pInData % 4) != 0) || (((LVM_UINT32)pOutData % 4) != 0))
        {
            return(LVM_ALIGNMENTERROR);
        }
    }


    /*
     * Update new parameters if necessary
     */
    if (pInstance->ControlPending == LVM_TRUE)
    {
        Status = LVM_ApplyNewSettings(hInstance);

        if(Status != LVM_SUCCESS)
        {
            return Status;
        }
    }


    /*
     * Convert from Mono if necessary
     */
    if (pInstance->Params.SourceFormat == LVM_MONO)
    {
        MonoTo2I_16(pInData,                                /* Source */
                    pOutData,                               /* Destination */
                    (LVM_INT16)NumSamples);                 /* Number of input samples */
        pInput     = pOutData;
        pToProcess = pOutData;
    }


    /*
     * Process the data with managed buffers
     */
    while (SampleCount != 0)
    {
        /*
         * Manage the input buffer and frame processing
         */
        LVM_BufferIn(hInstance,
                     pInput,
                     &pToProcess,
                     &pProcessed,
                     &SampleCount);

        /*
         * Only process data when SampleCount is none zero, a zero count can occur when
         * the BufferIn routine is working in managed mode.
         */
        if (SampleCount != 0)
        {

            /*
             * Apply ConcertSound if required
             */
            if (pInstance->CS_Active == LVM_TRUE)
            {
                (void)LVCS_Process(pInstance->hCSInstance,          /* Concert Sound instance handle */
                                   pToProcess,
                                   pProcessed,
                                   SampleCount);
                pToProcess = pProcessed;
            }

            /*
             * Apply volume if required
             */
            if (pInstance->VC_Active!=0)
            {
                LVC_MixSoft_1St_D16C31_SAT(&pInstance->VC_Volume,
                                       pToProcess,
                                       pProcessed,
                                       (LVM_INT16)(2*SampleCount));     /* Left and right*/
                pToProcess = pProcessed;
            }

            /*
             * Call N-Band equaliser if enabled
             */
            if (pInstance->EQNB_Active == LVM_TRUE)
            {
                LVEQNB_Process(pInstance->hEQNBInstance,        /* N-Band equaliser instance handle */
                               pToProcess,
                               pProcessed,
                               SampleCount);
                pToProcess = pProcessed;
            }

            /*
             * Call bass enhancement if enabled
             */
            if (pInstance->DBE_Active == LVM_TRUE)
            {
                LVDBE_Process(pInstance->hDBEInstance,          /* Dynamic Bass Enhancement instance handle */
                              pToProcess,
                              pProcessed,
                              SampleCount);
                pToProcess = pProcessed;
            }

            /*
             * Bypass mode or everything off, so copy the input to the output
             */
            if (pToProcess != pProcessed)
            {
                Copy_16(pToProcess,                             /* Source */
                        pProcessed,                             /* Destination */
                        (LVM_INT16)(2*SampleCount));            /* Left and right */
            }

            /*
             * Apply treble boost if required
             */
            if (pInstance->TE_Active == LVM_TRUE)
            {
                /*
                 * Apply the filter
                 */
                FO_2I_D16F32C15_LShx_TRC_WRA_01(&pInstance->pTE_State->TrebleBoost_State,
                                           pProcessed,
                                           pProcessed,
                                           (LVM_INT16)SampleCount);

            }

            /*
             * Volume balance
             */
            LVC_MixSoft_1St_2i_D16C31_SAT(&pInstance->VC_BalanceMix,
                                            pProcessed,
                                            pProcessed,
                                            SampleCount);

            /*
             * Perform Parametric Spectum Analysis
             */
            if ((pInstance->Params.PSA_Enable == LVM_PSA_ON)&&(pInstance->InstParams.PSA_Included==LVM_PSA_ON))
            {
                    From2iToMono_16(pProcessed,
                             pInstance->pPSAInput,
                            (LVM_INT16) (SampleCount));

                    LVPSA_Process(pInstance->hPSAInstance,
                            pInstance->pPSAInput,
                            (LVM_UINT16) (SampleCount),
                            AudioTime);
            }


            /*
             * DC removal
             */
            DC_2I_D16_TRC_WRA_01(&pInstance->DC_RemovalInstance,
                                 pProcessed,
                                 pProcessed,
                                 (LVM_INT16)SampleCount);


        }

        /*
         * Manage the output buffer
         */
        LVM_BufferOut(hInstance,
                      pOutData,
                      &SampleCount);

    }

    return(LVM_SUCCESS);
}