Android 之 Audio 图解 作者：王军锋
1
6
Media Recorder
Recorder
Device
Frameworks
Kernel
Media Player
Audio Manager
ToneGenerator
ToneGenerator
OpenCore
Native
AudioCodec
Application
AudioHardwareXXXX
Alsa-util
Alsa-lib
AudioSystem
AudioHardwareInterface
AudioDriver
AudioPolicyInterface
3,4
Player
Application
Audio结构图，黄色为重点
AudioFlinger
1，2，5
AudioPolicyManagerXXXX
1
*
1
*
AudioService
AudioPolicyService
A2dpAudioInterface
AudioTrack
AudioTrack AudioRecord
MicrophoneInputStream
Ringtone
MediaPlayerService
SoundPool
SoundPool
AudioMixer
AudioResample
AudioStreamOut AudioStreamIn
Android_media
_AudioTrack
Audiosource
XXXXRecorder
C++ application C++ application
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