i want to build audioserver (/frameworks/av/media/audioserver) to 64-bit in android ,and it can't startup

[Andrew Chen]

I want to build audioserver(/frameworks/av/media/audioserver) to 64-bit, and refer to the instructions in Android.mk (/frameworks/av/media/audioserver/Android.mk)

I add AUDIOSERVER_MULTILIB :=64 in device.mk, but it can't startup,  check the log and find the following error. 

01-20 09:44:31.637 2581 2581 F linker : CANNOT LINK EXECUTABLE "/system/bin/audioserver": unsupported ELF TLS DT entry in "/system/lib64/libaudioflinger.so"

Also, use FILE command to check if it's 64 bit:

#audioserver

console:/system/bin # file audioserver audioserver: ELF shared object, 64-bit LSB arm64, dynamic (/system/bin/linker64), for Android 28, BuildID=01599, stripped

#.so

console:/system/lib64 # file libaudioflinger.so libaudioflinger.so: ELF shared object, 64-bit LSB arm64, for Android 28, BuildID=fd41f, stripped

in /frameworks/av/media/audioserver/Android.mk

# If AUDIOSERVER_MULTILIB in device.mk is non-empty then it is used to control
# the LOCAL_MULTILIB for all audioserver exclusive libraries.
# This is relevant for 64 bit architectures where either or both
# 32 and 64 bit libraries may be built.
#
# AUDIOSERVER_MULTILIB may be set as follows:
#   32      to build 32 bit audioserver libraries and 32 bit audioserver.
#   64      to build 64 bit audioserver libraries and 64 bit audioserver.
#   both    to build both 32 bit and 64 bit libraries,
#           and use primary target architecture (32 or 64) for audioserver.
#   first   to build libraries and audioserver for the primary target architecture only.
#   <empty> to build both 32 and 64 bit libraries and 32 bit audioserver.

it should be work normally when specifying AUDIOSERVER_MULTILIB := 64

[Glenn Kasten]

As of now, the AOSP release of Android does not yet officially support 64-bit audioserver.

We are considering adding 64-bit option for audioserver in a future release,

but I can't give you a schedule of when that might happen.

Even then, it may be limited to platforms that are capable of supporting it

(for example due to dependencies on various libraries etc.).

[Sebastian Hölzer]

Did you port the audioserver to 64 bit by now?
Do you know what dependency is stopping the audioserver to run with 64 bit?