AN706-00040-2v0-E
88
Audio stage judgment
2
Open
Set initialization for audio stage.
1
Set library initialization for audio stage.
Open audio file.
(audio_decode_open)
Audio file opened successfully?
No
Yes
Library initialization
Set stop for audio stage.
1
Set analyze for audio stage.
Initialize decode library.
(audio_decode_libraryinit)
Decode library
successfully initialized?
No
Yes
Set stop for audio stage.
1
Set file read for audio stage.
Analyze audio file header
(audio_decode_analyze)
Audio file header
analyzed successfully?
No
Yes
Analyze
3
File read
Decode
Sampling
Stop
Others
Figure 63 AUDIO Task Processing Function Flow (2)