參數(shù)資料
型號: AP77016-B03
元件分類: Codec
英文描述: uSAP77016-B03 G.729 Speech Codec Middleware | User's Manual[10/2000]
中文描述: uSAP77016 -號B03 G.729語音編解碼中間件|用戶手冊[10/2000]
文件頁數(shù): 25/47頁
文件大?。?/td> 291K
代理商: AP77016-B03
CHAPTER 2 LIBRARY SPECIFICATIONS
User
s Manual U15152EJ2V0UM
25
2.2.5 a2d_GetStatus function
[Classification]
[Function name]
[Summary of function]
Obtains the status of the decoding result.
Information from the decoding performed just before this function was called is returned
as the status.
[Format]
call a2d_GetStatus
[Arguments]
None
[Return value]
R0
0: Decode error
1: ADIF/RAW format
2: ADTS format
R1
0: Result of decoding is monaural
1: Result of decoding is stereo
R2
Index value of sampling frequency (See
Table 2-3
)
R3
0: Normal decoding
Other than 0: Skip 1 frame of decoding
R4
Indicates the size [byte] of input data that is decoded by a2d_Dec just before
this function
[Function]
Obtain status information and set registers.
[Registers used]
R0, R1, R2, R3, R4
[Hardware resourcement]
Maximum stack level
0
Maximum loop stack level
0
Maximum number of repeats
0
Maximum number of cycles
15
Status information acquisition
a2d_GetStatus
Table 2-3. Values of a2d_GetStatus() Return Value R2
Value of R2 (index value)
hex
bin
Sampling Frequency
[Hz]
0x00
0000
96000
0x01
0001
88200
0x02
0010
64000
0x03
0011
48000
0x04
0100
44100
0x05
0101
32000
0x06
0110
24000
0x07
0111
22050
0x08
1000
16000
0x09
1001
12000
0x0a
1010
11025
0x0b
1011
8000
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