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192.168.1.100 / T800_MD / 1eb8f53f94c145708b5ea2c6b9b96ea3d613f607 / . / mcu / driver / audio / lib / MTKINC / bli_exp.h
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rjw6c1fd8f2022-11-30 14:33:01 +0800[diff] [blame]1/*****************************************************************************
2* Copyright Statement:
3* --------------------
4* This software is protected by Copyright and the information contained
5* herein is confidential. The software may not be copied and the information
6* contained herein may not be used or disclosed except with the written
7* permission of MediaTek Inc. (C) 2009
8*
9* BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
10* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
11* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
12* AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
13* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
14* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
15* NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
16* SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
17* SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
18* THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
19* NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
20* SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
21*
22* BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
23* LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
24* AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
25* OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
26* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
27*
28* THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
29* WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
30* LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
31* RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
32* THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
33*
34*****************************************************************************/
35
36/*******************************************************************************
37 *
38 * Filename:
39 * ---------
40 * bli_exp.h
41 *
42 * Project:
43 * --------
44 *
45 *
46 * Description:
47 * ------------
48 * BLI SRC Interface Definition
49 *
50 * Author:
51 * -------
52 * -------
53 *
54 *==============================================================================
55 * HISTORY
56 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
57 *------------------------------------------------------------------------------
58 *
59 *------------------------------------------------------------------------------
60 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
61 *==============================================================================
62 *******************************************************************************/
63
64#ifndef BLI_EXP_H
65#define BLI_EXP_H
66
67typedef void BLI_HANDLE;
68
69#ifndef NULL
70#define NULL 0
71#endif
72
73
74/*----------------------------------------------------------------------*/
75/* Get required buffer size for BLI Software SRC */
76/*----------------------------------------------------------------------*/
77void BLI_GetMemSize(unsigned int inSR, /* Input, input sampling rate of the conversion */
78 unsigned int inChannel, /* Input, input channel number of the conversion */
79 unsigned int outSR, /* Input, output sampling rate of the conversion */
80 unsigned int outChannel, /* Input, output channel number of the conversion */
81 unsigned int *workBufSize); /* Output, the required working buffer size in byte */
82
83/*----------------------------------------------------------------------*/
84/* Get the BLI Software SRC handler. */
85/* Return: the handle of current BLI Software SRC */
86/*----------------------------------------------------------------------*/
87BLI_HANDLE *BLI_Open(unsigned int inSR, /* Input, input sampling rate of the conversion */
88 unsigned int inChannel, /* Input, input channel number of the conversion */
89 unsigned int outSR, /* Input, output sampling rate of the conversion */
90 unsigned int outChannel, /* Input, output channel number of the conversion */
91 signed char* buffer, /* Input, pointer to the working buffer */
92 void *(*custom_alloc)(unsigned int));
93
94/*----------------------------------------------------------------------*/
95/* Decompress the bitstream to PCM data */
96/* Return: consumed input buffer size(byte) */
97/*----------------------------------------------------------------------*/
98unsigned int BLI_Convert(void *hdl, /* Input, handle of this conversion */
99 short *inBuf, /* Input, pointer to input buffer */
100 unsigned int *inLength, /* Input, length(byte) of input buffer */
101 /* Output, length(byte) left in the input buffer after conversion */
102 short *outBuf, /* Input, pointer to output buffer */
103 unsigned int *outLength); /* Input, length(byte) of output buffer */
104 /* Output, output data length(byte) */
105
106/*----------------------------------------------------------------------*/
107/* Close the process */
108/*----------------------------------------------------------------------*/
109void BLI_Close( void *hdl,
110 void (*custom_free) (void *));
111
112
113/*----------------------------------------------------------------------*/
114/* Change the input sampling rate during the process */
115/* Return: error code, 0 represents "everything is OK" */
116/*----------------------------------------------------------------------*/
117int BLI_SetSamplingRate(void *hdl,
118 unsigned int inSR); /* Input, input sampling rate of the conversion */
119
120/*----------------------------------------------------------------------*/
121/* Clear the internal status for the discontinuous input buffer */
122/*----------------------------------------------------------------------*/
123int BLI_Reset(void *hdl);
124
125#endif
126