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Android/init/サービス?

mediaserver

Top / mediaserver

コマンド

• Android/system/bin/mediaserver

ソースコード

• AOSP/frameworks/base/media/mediaserver/main_mediaserver.cpp

起動の指定

• AOSP/system/core/rootdir/init.rc
• Android/init.rc

  service media /system/bin/mediaserver

起動するサービス

Android 7.0から

• MediaPlayerService?::instantiate();
• ResourceManagerService?::instantiate();

Android 6.0まで

• MediaLogService?::instantiate();
• AudioFlinger::instantiate();
• MediaPlayerService?::instantiate();
• ResourceManagerService?::instantiate();
• CameraService::instantiate();
• AudioPolicyService?::instantiate();
• SoundTriggerHwService?::instantiate();
• RadioService?::instantiate();

サーバの分割

• To improve device security, Android 7.0 breaks up the monolithic mediaserver process into multiple processes with permissions and capabilities restricted to only those required by each process.
• https://source.android.com/devices/media/framework-hardening.html

cameraserver - media.camera

• CameraService::instantiate();

audioserver

• MediaLogService?::instantiate();
• AudioFlinger::instantiate();
• AudioPolicyService?::instantiate();
• RadioService?::instantiate();
• SoundTriggerHwService?::instantiate();

mediacodec?

• MediaCodecService?

drmserver?

mediadrmserver?

• MediaDrmServer?

mediaextractor?

• ExtractorService?

関連

• system_server